D2487 Standard Practice for Classification of Soils for Engineering Purposes (Unified Soil Classification System)

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class="mt-1"> <h1 class="astm-type-heading--h3 mb-0 mt-0"><b class="name">Standard Practice for Classification of Soils for Engineering Purposes (Unified Soil Classification System)</b></h1> </div> <div itemtype="http://schema.org/Product" itemscope="itemscope" class="no-display"> <span itemprop="name">Standard Practice for Classification of Soils for Engineering Purposes (Unified Soil Classification System)</span> <span itemprop="sku">D2487-17E01</span> <span itemprop="productID">ASTM|D2487-17E01|en-US</span> <span itemprop="Description">Standard Practice for Classification of Soils for Engineering Purposes (Unified Soil Classification System)</span> <span itemprop="category">Standard</span> <span itemprop="url" href="https://www.astm.org/d2487-17e01.html" >D2487 Standard Practice for Classification of Soils for Engineering Purposes (Unified Soil Classification System)></span> <span itemprop="itemCondition">new</span> <span itemprop="isRelatedTo">BOS Vol. 04.08 Committee D18</span> <img itemprop="logo" src="https://www.astm.org/media/logo/logo.svg" alt="" /> <div itemprop="offers" itemscope itemtype="https://schema.org/Offer"> <span itemprop="priceCurrency" content="USD">$</span> <span itemprop="price" content="69.00">69.00</span> <link itemprop="availability" href="https://schema.org/InStock"/>In stock </div> </div> <div id="pdp-description"> <div class="astm-type-body--lead border-top mt-3 pt-2 adv-description"><p class="astm-type-heading--h6 astm-type-heading--h6-bold mb-3 desc-significance-n-use-label">Significance and Use</p><div class="mb-2 desc-significance-n-use"> <div class="SectionLevel2"> <p class="subsec1 cdone2"><span class="Head3 cdone">5.1</span> This standard classifies soils from any geographic location into categories representing the results of prescribed laboratory tests to determine the particle-size characteristics, the liquid limit, and the plasticity index.</p></div> <div class="SectionLevel2"> <p class="subsec1 cdone2"><span class="Head3 cdone">5.2</span> The assigning of a group name and symbol(s) along with the descriptive information required in Practice <span class="Body-link1 cdone">D2488</span> can be used to describe a soil to aid in the evaluation of its significant properties for engineering use.</p></div> <div class="SectionLevel2"> <p class="subsec1 cdone2"><span class="Head3 cdone">5.3</span> The various groupings of this classification system have been devised to correlate in a general way with the engineering behavior of soils. This standard provides a useful first step in any field or laboratory investigation for geotechnical engineering purposes.</p></div> <div class="SectionLevel2"> <p class="subsec1 cdone2"><span class="Head3 cdone">5.4</span> This standard may also be used as an aid in training personnel in the use of Practice <span class="Body-link1 cdone">D2488</span>.</p></div> <div class="SectionLevel2"> <p class="subsec1 cdone2"><span class="Head3 cdone">5.5</span> This standard may be used in combination with Practice <span class="Body-link1 cdone">D4083</span> when working with frozen soils. </p><div style="text-align:left;" class="NoteLevel1"> <p><span class="note cdone" style="text-transform: uppercase;">Note 5:</span> <span class="note cdone">Notwithstanding the statements on precision and bias contained in this standard: The precision of this test method is dependent on the competence of the personnel performing it and the suitability of the equipment and facilities used. Agencies that meet the criteria of Practice <span class="Note-link1 cdone">D3740</span> are generally considered capable of competent and objective testing. Users of this test method are cautioned that compliance with Practice <span class="Note-link1 cdone">D3740</span> does not in itself assure reliable testing. Reliable testing depends on several factors; Practice <span class="Note-link1 cdone">D3740</span> provides a means for evaluating some of those factors.</span></p></div></div></div><p class="astm-type-heading--h6 astm-type-heading--h6-bold mb-3 desc-scope-label">Scope</p><div class="mb-2 desc-scope"> <div class="SectionLevel2"> <p class="subsec1 cdone2"><span class="Head3 cdone">1.1</span> This practice describes a system for classifying mineral and organo-mineral soils for engineering purposes based on laboratory determination of particle-size characteristics, liquid limit, and plasticity index and shall be used when precise classification is required. </p><div style="text-align:left;" class="NoteLevel1"> <p><span class="note cdone" style="text-transform: uppercase;">Note 1:</span> <span class="note cdone">Use of this standard will result in a single classification group symbol and group name except when a soil contains 5 to 12 % fines or when the plot of the liquid limit and plasticity index values falls into the crosshatched area of the plasticity chart. In these two cases, a dual symbol is used, for example, GP-GM, CL-ML. When the laboratory test results indicate that the soil is close to another soil classification group, the borderline condition can be indicated with two symbols separated by a slash. The first symbol should be the one based on this standard, for example, CL/CH, GM/SM, SC/CL. Borderline symbols are particularly useful when the liquid limit value of clayey soils is close to 50. These soils can have expansive characteristics and the use of a borderline symbol (CL/CH, CH/CL) will alert the user of the assigned classifications of expansive potential.</span></p></div></div> <div class="SectionLevel2"> <p class="subsec1 cdone2"><span class="Head3 cdone">1.2</span> The group symbol portion of this system is based on laboratory tests performed on the portion of a soil sample passing the 3-in. (75-mm) sieve (see Specification <span class="Body-link1 cdone">E11</span>).</p></div> <div class="SectionLevel2"> <p class="subsec1 cdone2"><span class="Head3 cdone">1.3</span> As a classification system, this standard is limited to naturally occurring soils. </p><div style="text-align:left;" class="NoteLevel1"> <p><span class="note cdone" style="text-transform: uppercase;">Note 2:</span> <span class="note cdone">The group names and symbols used in this test method may be used as a descriptive system applied to such materials as shale, claystone, shells, crushed rock, etc. See <span class="Note-link1 cdone">Appendix X2</span>.</span></p></div></div> <div class="SectionLevel2"> <p class="subsec1 cdone2"><span class="Head3 cdone">1.4</span> This standard is for qualitative application only. </p><div style="text-align:left;" class="NoteLevel1"> <p><span class="note cdone" style="text-transform: uppercase;">Note 3:</span> <span class="note cdone">When quantitative information is required for detailed designs of important structures, this test method must be supplemented by laboratory tests or other quantitative data to determine performance characteristics under expected field conditions.</span></p></div></div> <div class="SectionLevel2"> <p class="subsec1 cdone2"><span class="Head3 cdone">1.5</span> This standard is the ASTM version of the Unified Soil Classification System. The basis for the classification scheme is the Airfield Classification System developed by A. Casagrande in the early 1940s.<span style="font-style:normal;"><span class="footnote-link">2</span></span> It became known as the Unified Soil Classification System when several U.S. Government Agencies adopted a modified version of the Airfield System in 1952.</p></div> <div class="SectionLevel2"> <p class="caveat cdone2"><span class="Head3 cdone">1.6</span> <i>This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.</i></p></div> <div class="SectionLevel2"> <p class="subsec1 cdone2"><span class="Head3 cdone">1.7</span> <span style="font-style:italic;font-weight:normal;" class="overriddenformat">This practice offers a set of instructions for performing one or more specific operations. This document cannot replace education or experience and should be used in conjunction with professional judgment. Not all aspects of this practice may be applicable in all circumstances. This ASTM standard is not intended to represent or replace the standard of care by which the adequacy of a given professional service must be judged, nor should this document be applied without consideration of a project's many unique aspects. The word “Standard” in the title of this document means only that the document has been approved through the ASTM consensus process. </span></p></div> <div class="SectionLevel2"> <p class="WTOcaveat cdone2"><span class="Head3 cdone">1.8</span> <i>This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.</i></p></div></div></div></div> </div><div class="col-md-4"><div class="card astm-card astm-card--flat bg-light card-body mb-3 p-3"><div class=""> <form data-product-sku="D2487-17E01" action="https://www.astm.org/checkout/cart/add/uenc/aHR0cHM6Ly93d3cuYXN0bS5vcmcvZDI0ODctMTdlMDEuaHRtbA~~/product/1403348/" method="post" id="product_addtocart_form_1403348" data-mage-init='{"validation":{}}'> <input type="hidden" name="product" 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This standard provides a useful first step in any field or laboratory investigation for geotechnical engineering purposes.<\/p><\/div> <div class=\"SectionLevel2\"> <p class=\"subsec1 cdone2\"><span class=\"Head3 cdone\">5.4<\/span>\u00a0This standard may also be used as an aid in training personnel in the use of Practice <span class=\"Body-link1 cdone\">D2488<\/span>.<\/p><\/div> <div class=\"SectionLevel2\"> <p class=\"subsec1 cdone2\"><span class=\"Head3 cdone\">5.5<\/span>\u00a0This standard may be used in combination with Practice <span class=\"Body-link1 cdone\">D4083<\/span> when working with frozen soils. <\/p><div style=\"text-align:left;\" class=\"NoteLevel1\"> <p><span class=\"note cdone\" style=\"text-transform: uppercase;\">Note 5:<\/span>\u00a0<span class=\"note cdone\">Notwithstanding the statements on precision and bias contained in this standard: The precision of this test method is dependent on the competence of the personnel performing it and the suitability of the equipment and facilities used. Agencies that meet the criteria of Practice <span class=\"Note-link1 cdone\">D3740<\/span> are generally considered capable of competent and objective testing. Users of this test method are cautioned that compliance with Practice <span class=\"Note-link1 cdone\">D3740<\/span> does not in itself assure reliable testing. Reliable testing depends on several factors; Practice <span class=\"Note-link1 cdone\">D3740<\/span> provides a means for evaluating some of those factors.<\/span><\/p><\/div><\/div><\/div><p class=\"astm-type-heading--h6 astm-type-heading--h6-bold mb-3 desc-scope-label\">Scope<\/p><div class=\"mb-2 desc-scope\"> <div class=\"SectionLevel2\"> <p class=\"subsec1 cdone2\"><span class=\"Head3 cdone\">1.1<\/span>\u00a0This practice describes a system for classifying mineral and organo-mineral soils for engineering purposes based on laboratory determination of particle-size characteristics, liquid limit, and plasticity index and shall be used when precise classification is required. <\/p><div style=\"text-align:left;\" class=\"NoteLevel1\"> <p><span class=\"note cdone\" style=\"text-transform: uppercase;\">Note 1:<\/span>\u00a0<span class=\"note cdone\">Use of this standard will result in a single classification group symbol and group name except when a soil contains 5 to 12\u2009% fines or when the plot of the liquid limit and plasticity index values falls into the crosshatched area of the plasticity chart. In these two cases, a dual symbol is used, for example, GP-GM, CL-ML. When the laboratory test results indicate that the soil is close to another soil classification group, the borderline condition can be indicated with two symbols separated by a slash. The first symbol should be the one based on this standard, for example, CL\/CH, GM\/SM, SC\/CL. Borderline symbols are particularly useful when the liquid limit value of clayey soils is close to 50. These soils can have expansive characteristics and the use of a borderline symbol (CL\/CH, CH\/CL) will alert the user of the assigned classifications of expansive potential.<\/span><\/p><\/div><\/div> <div class=\"SectionLevel2\"> <p class=\"subsec1 cdone2\"><span class=\"Head3 cdone\">1.2<\/span>\u00a0The group symbol portion of this system is based on laboratory tests performed on the portion of a soil sample passing the 3-in. (75-mm) sieve (see Specification <span class=\"Body-link1 cdone\">E11<\/span>).<\/p><\/div> <div class=\"SectionLevel2\"> <p class=\"subsec1 cdone2\"><span class=\"Head3 cdone\">1.3<\/span>\u00a0As a classification system, this standard is limited to naturally occurring soils. <\/p><div style=\"text-align:left;\" class=\"NoteLevel1\"> <p><span class=\"note cdone\" style=\"text-transform: uppercase;\">Note 2:<\/span>\u00a0<span class=\"note cdone\">The group names and symbols used in this test method may be used as a descriptive system applied to such materials as shale, claystone, shells, crushed rock, etc. See <span class=\"Note-link1 cdone\">Appendix X2<\/span>.<\/span><\/p><\/div><\/div> <div class=\"SectionLevel2\"> <p class=\"subsec1 cdone2\"><span class=\"Head3 cdone\">1.4<\/span>\u00a0This standard is for qualitative application only. <\/p><div style=\"text-align:left;\" class=\"NoteLevel1\"> <p><span class=\"note cdone\" style=\"text-transform: uppercase;\">Note 3:<\/span>\u00a0<span class=\"note cdone\">When quantitative information is required for detailed designs of important structures, this test method must be supplemented by laboratory tests or other quantitative data to determine performance characteristics under expected field conditions.<\/span><\/p><\/div><\/div> <div class=\"SectionLevel2\"> <p class=\"subsec1 cdone2\"><span class=\"Head3 cdone\">1.5<\/span>\u00a0This standard is the ASTM version of the Unified Soil Classification System. The basis for the classification scheme is the Airfield Classification System developed by A. Casagrande in the early 1940s.<span style=\"font-style:normal;\"><span class=\"footnote-link\">2<\/span><\/span> It became known as the Unified Soil Classification System when several U.S. Government Agencies adopted a modified version of the Airfield System in 1952.<\/p><\/div> <div class=\"SectionLevel2\"> <p class=\"caveat cdone2\"><span class=\"Head3 cdone\">1.6<\/span>\u00a0<i>This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.<\/i><\/p><\/div> <div class=\"SectionLevel2\"> <p class=\"subsec1 cdone2\"><span class=\"Head3 cdone\">1.7<\/span>\u00a0<span style=\"font-style:italic;font-weight:normal;\" class=\"overriddenformat\">This practice offers a set of instructions for performing one or more specific operations. This document cannot replace education or experience and should be used in conjunction with professional judgment. Not all aspects of this practice may be applicable in all circumstances. This ASTM standard is not intended to represent or replace the standard of care by which the adequacy of a given professional service must be judged, nor should this document be applied without consideration of a project's many unique aspects. The word \u201cStandard\u201d in the title of this document means only that the document has been approved through the ASTM consensus process. <\/span><\/p><\/div> <div class=\"SectionLevel2\"> <p class=\"WTOcaveat cdone2\"><span class=\"Head3 cdone\">1.8<\/span>\u00a0<i>This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.<\/i><\/p><\/div><\/div><\/div>","1403360":"<div class=\"astm-type-body--lead border-top mt-3 pt-2 adv-description\"><p class=\"astm-type-heading--h6 astm-type-heading--h6-bold mb-3 desc-significance-n-use-label\">Significance and Use<\/p><div class=\"mb-2 desc-significance-n-use\"> <div class=\"SectionLevel2\"> <p class=\"subsec1 cdone2\"><span class=\"Head3 cdone\">5.1<\/span>\u00a0This standard classifies soils from any geographic location into categories representing the results of prescribed laboratory tests to determine the particle-size characteristics, the liquid limit, and the plasticity index.<\/p><\/div> <div class=\"SectionLevel2\"> <p class=\"subsec1 cdone2\"><span class=\"Head3 cdone\">5.2<\/span>\u00a0The assigning of a group name and symbol(s) along with the descriptive information required in Practice <span class=\"Body-link1 cdone\">D2488<\/span> can be used to describe a soil to aid in the evaluation of its significant properties for engineering use.<\/p><\/div> <div class=\"SectionLevel2\"> <p class=\"subsec1 cdone2\"><span class=\"Head3 cdone\">5.3<\/span>\u00a0The various groupings of this classification system have been devised to correlate in a general way with the engineering behavior of soils. This standard provides a useful first step in any field or laboratory investigation for geotechnical engineering purposes.<\/p><\/div> <div class=\"SectionLevel2\"> <p class=\"subsec1 cdone2\"><span class=\"Head3 cdone\">5.4<\/span>\u00a0This standard may also be used as an aid in training personnel in the use of Practice <span class=\"Body-link1 cdone\">D2488<\/span>.<\/p><\/div> <div class=\"SectionLevel2\"> <p class=\"subsec1 cdone2\"><span class=\"Head3 cdone\">5.5<\/span>\u00a0This standard may be used in combination with Practice <span class=\"Body-link1 cdone\">D4083<\/span> when working with frozen soils. <\/p><div style=\"text-align:left;\" class=\"NoteLevel1\"> <p><span class=\"note cdone\" style=\"text-transform: uppercase;\">Note 5:<\/span>\u00a0<span class=\"note cdone\">Notwithstanding the statements on precision and bias contained in this standard: The precision of this test method is dependent on the competence of the personnel performing it and the suitability of the equipment and facilities used. Agencies that meet the criteria of Practice <span class=\"Note-link1 cdone\">D3740<\/span> are generally considered capable of competent and objective testing. Users of this test method are cautioned that compliance with Practice <span class=\"Note-link1 cdone\">D3740<\/span> does not in itself assure reliable testing. Reliable testing depends on several factors; Practice <span class=\"Note-link1 cdone\">D3740<\/span> provides a means for evaluating some of those factors.<\/span><\/p><\/div><\/div><\/div><p class=\"astm-type-heading--h6 astm-type-heading--h6-bold mb-3 desc-scope-label\">Scope<\/p><div class=\"mb-2 desc-scope\"> <div class=\"SectionLevel2\"> <p class=\"subsec1 cdone2\"><span class=\"Head3 cdone\">1.1<\/span>\u00a0This practice describes a system for classifying mineral and organo-mineral soils for engineering purposes based on laboratory determination of particle-size characteristics, liquid limit, and plasticity index and shall be used when precise classification is required. <\/p><div style=\"text-align:left;\" class=\"NoteLevel1\"> <p><span class=\"note cdone\" style=\"text-transform: uppercase;\">Note 1:<\/span>\u00a0<span class=\"note cdone\">Use of this standard will result in a single classification group symbol and group name except when a soil contains 5 to 12\u2009% fines or when the plot of the liquid limit and plasticity index values falls into the crosshatched area of the plasticity chart. In these two cases, a dual symbol is used, for example, GP-GM, CL-ML. When the laboratory test results indicate that the soil is close to another soil classification group, the borderline condition can be indicated with two symbols separated by a slash. The first symbol should be the one based on this standard, for example, CL\/CH, GM\/SM, SC\/CL. Borderline symbols are particularly useful when the liquid limit value of clayey soils is close to 50. These soils can have expansive characteristics and the use of a borderline symbol (CL\/CH, CH\/CL) will alert the user of the assigned classifications of expansive potential.<\/span><\/p><\/div><\/div> <div class=\"SectionLevel2\"> <p class=\"subsec1 cdone2\"><span class=\"Head3 cdone\">1.2<\/span>\u00a0The group symbol portion of this system is based on laboratory tests performed on the portion of a soil sample passing the 3-in. (75-mm) sieve (see Specification <span class=\"Body-link1 cdone\">E11<\/span>).<\/p><\/div> <div class=\"SectionLevel2\"> <p class=\"subsec1 cdone2\"><span class=\"Head3 cdone\">1.3<\/span>\u00a0As a classification system, this standard is limited to naturally occurring soils. <\/p><div style=\"text-align:left;\" class=\"NoteLevel1\"> <p><span class=\"note cdone\" style=\"text-transform: uppercase;\">Note 2:<\/span>\u00a0<span class=\"note cdone\">The group names and symbols used in this test method may be used as a descriptive system applied to such materials as shale, claystone, shells, crushed rock, etc. See <span class=\"Note-link1 cdone\">Appendix X2<\/span>.<\/span><\/p><\/div><\/div> <div class=\"SectionLevel2\"> <p class=\"subsec1 cdone2\"><span class=\"Head3 cdone\">1.4<\/span>\u00a0This standard is for qualitative application only. <\/p><div style=\"text-align:left;\" class=\"NoteLevel1\"> <p><span class=\"note cdone\" style=\"text-transform: uppercase;\">Note 3:<\/span>\u00a0<span class=\"note cdone\">When quantitative information is required for detailed designs of important structures, this test method must be supplemented by laboratory tests or other quantitative data to determine performance characteristics under expected field conditions.<\/span><\/p><\/div><\/div> <div class=\"SectionLevel2\"> <p class=\"subsec1 cdone2\"><span class=\"Head3 cdone\">1.5<\/span>\u00a0This standard is the ASTM version of the Unified Soil Classification System. The basis for the classification scheme is the Airfield Classification System developed by A. Casagrande in the early 1940s.<span style=\"font-style:normal;\"><span class=\"footnote-link\">2<\/span><\/span> It became known as the Unified Soil Classification System when several U.S. Government Agencies adopted a modified version of the Airfield System in 1952.<\/p><\/div> <div class=\"SectionLevel2\"> <p class=\"caveat cdone2\"><span class=\"Head3 cdone\">1.6<\/span>\u00a0<i>This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.<\/i><\/p><\/div> <div class=\"SectionLevel2\"> <p class=\"subsec1 cdone2\"><span class=\"Head3 cdone\">1.7<\/span>\u00a0<span style=\"font-style:italic;font-weight:normal;\" class=\"overriddenformat\">This practice offers a set of instructions for performing one or more specific operations. This document cannot replace education or experience and should be used in conjunction with professional judgment. Not all aspects of this practice may be applicable in all circumstances. This ASTM standard is not intended to represent or replace the standard of care by which the adequacy of a given professional service must be judged, nor should this document be applied without consideration of a project's many unique aspects. The word \u201cStandard\u201d in the title of this document means only that the document has been approved through the ASTM consensus process. <\/span><\/p><\/div> <div class=\"SectionLevel2\"> <p class=\"WTOcaveat cdone2\"><span class=\"Head3 cdone\">1.8<\/span>\u00a0<i>This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.<\/i><\/p><\/div><\/div><\/div>","1403363":"<div class=\"astm-type-body--lead border-top mt-3 pt-2 adv-description\"><p class=\"astm-type-heading--h6 astm-type-heading--h6-bold mb-3 desc-significance-n-use-label\">Significance and Use<\/p><div class=\"mb-2 desc-significance-n-use\"> <div class=\"SectionLevel2\"> <p class=\"subsec1 cdone2\"><span class=\"Head3 cdone\">5.1<\/span>\u00a0This standard classifies soils from any geographic location into categories representing the results of prescribed laboratory tests to determine the particle-size characteristics, the liquid limit, and the plasticity index.<\/p><\/div> <div class=\"SectionLevel2\"> <p class=\"subsec1 cdone2\"><span class=\"Head3 cdone\">5.2<\/span>\u00a0The assigning of a group name and symbol(s) along with the descriptive information required in Practice <span class=\"Body-link1 cdone\">D2488<\/span> can be used to describe a soil to aid in the evaluation of its significant properties for engineering use.<\/p><\/div> <div class=\"SectionLevel2\"> <p class=\"subsec1 cdone2\"><span class=\"Head3 cdone\">5.3<\/span>\u00a0The various groupings of this classification system have been devised to correlate in a general way with the engineering behavior of soils. This standard provides a useful first step in any field or laboratory investigation for geotechnical engineering purposes.<\/p><\/div> <div class=\"SectionLevel2\"> <p class=\"subsec1 cdone2\"><span class=\"Head3 cdone\">5.4<\/span>\u00a0This standard may also be used as an aid in training personnel in the use of Practice <span class=\"Body-link1 cdone\">D2488<\/span>.<\/p><\/div> <div class=\"SectionLevel2\"> <p class=\"subsec1 cdone2\"><span class=\"Head3 cdone\">5.5<\/span>\u00a0This standard may be used in combination with Practice <span class=\"Body-link1 cdone\">D4083<\/span> when working with frozen soils. <\/p><div style=\"text-align:left;\" class=\"NoteLevel1\"> <p><span class=\"note cdone\" style=\"text-transform: uppercase;\">Note 5:<\/span>\u00a0<span class=\"note cdone\">Notwithstanding the statements on precision and bias contained in this standard: The precision of this test method is dependent on the competence of the personnel performing it and the suitability of the equipment and facilities used. Agencies that meet the criteria of Practice <span class=\"Note-link1 cdone\">D3740<\/span> are generally considered capable of competent and objective testing. Users of this test method are cautioned that compliance with Practice <span class=\"Note-link1 cdone\">D3740<\/span> does not in itself assure reliable testing. Reliable testing depends on several factors; Practice <span class=\"Note-link1 cdone\">D3740<\/span> provides a means for evaluating some of those factors.<\/span><\/p><\/div><\/div><\/div><p class=\"astm-type-heading--h6 astm-type-heading--h6-bold mb-3 desc-scope-label\">Scope<\/p><div class=\"mb-2 desc-scope\"> <div class=\"SectionLevel2\"> <p class=\"subsec1 cdone2\"><span class=\"Head3 cdone\">1.1<\/span>\u00a0This practice describes a system for classifying mineral and organo-mineral soils for engineering purposes based on laboratory determination of particle-size characteristics, liquid limit, and plasticity index and shall be used when precise classification is required. <\/p><div style=\"text-align:left;\" class=\"NoteLevel1\"> <p><span class=\"note cdone\" style=\"text-transform: uppercase;\">Note 1:<\/span>\u00a0<span class=\"note cdone\">Use of this standard will result in a single classification group symbol and group name except when a soil contains 5 to 12\u2009% fines or when the plot of the liquid limit and plasticity index values falls into the crosshatched area of the plasticity chart. In these two cases, a dual symbol is used, for example, GP-GM, CL-ML. When the laboratory test results indicate that the soil is close to another soil classification group, the borderline condition can be indicated with two symbols separated by a slash. The first symbol should be the one based on this standard, for example, CL\/CH, GM\/SM, SC\/CL. Borderline symbols are particularly useful when the liquid limit value of clayey soils is close to 50. These soils can have expansive characteristics and the use of a borderline symbol (CL\/CH, CH\/CL) will alert the user of the assigned classifications of expansive potential.<\/span><\/p><\/div><\/div> <div class=\"SectionLevel2\"> <p class=\"subsec1 cdone2\"><span class=\"Head3 cdone\">1.2<\/span>\u00a0The group symbol portion of this system is based on laboratory tests performed on the portion of a soil sample passing the 3-in. (75-mm) sieve (see Specification <span class=\"Body-link1 cdone\">E11<\/span>).<\/p><\/div> <div class=\"SectionLevel2\"> <p class=\"subsec1 cdone2\"><span class=\"Head3 cdone\">1.3<\/span>\u00a0As a classification system, this standard is limited to naturally occurring soils. <\/p><div style=\"text-align:left;\" class=\"NoteLevel1\"> <p><span class=\"note cdone\" style=\"text-transform: uppercase;\">Note 2:<\/span>\u00a0<span class=\"note cdone\">The group names and symbols used in this test method may be used as a descriptive system applied to such materials as shale, claystone, shells, crushed rock, etc. See <span class=\"Note-link1 cdone\">Appendix X2<\/span>.<\/span><\/p><\/div><\/div> <div class=\"SectionLevel2\"> <p class=\"subsec1 cdone2\"><span class=\"Head3 cdone\">1.4<\/span>\u00a0This standard is for qualitative application only. <\/p><div style=\"text-align:left;\" class=\"NoteLevel1\"> <p><span class=\"note cdone\" style=\"text-transform: uppercase;\">Note 3:<\/span>\u00a0<span class=\"note cdone\">When quantitative information is required for detailed designs of important structures, this test method must be supplemented by laboratory tests or other quantitative data to determine performance characteristics under expected field conditions.<\/span><\/p><\/div><\/div> <div class=\"SectionLevel2\"> <p class=\"subsec1 cdone2\"><span class=\"Head3 cdone\">1.5<\/span>\u00a0This standard is the ASTM version of the Unified Soil Classification System. The basis for the classification scheme is the Airfield Classification System developed by A. Casagrande in the early 1940s.<span style=\"font-style:normal;\"><span class=\"footnote-link\">2<\/span><\/span> It became known as the Unified Soil Classification System when several U.S. Government Agencies adopted a modified version of the Airfield System in 1952.<\/p><\/div> <div class=\"SectionLevel2\"> <p class=\"caveat cdone2\"><span class=\"Head3 cdone\">1.6<\/span>\u00a0<i>This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.<\/i><\/p><\/div> <div class=\"SectionLevel2\"> <p class=\"subsec1 cdone2\"><span class=\"Head3 cdone\">1.7<\/span>\u00a0<span style=\"font-style:italic;font-weight:normal;\" class=\"overriddenformat\">This practice offers a set of instructions for performing one or more specific operations. This document cannot replace education or experience and should be used in conjunction with professional judgment. Not all aspects of this practice may be applicable in all circumstances. This ASTM standard is not intended to represent or replace the standard of care by which the adequacy of a given professional service must be judged, nor should this document be applied without consideration of a project's many unique aspects. The word \u201cStandard\u201d in the title of this document means only that the document has been approved through the ASTM consensus process. <\/span><\/p><\/div> <div class=\"SectionLevel2\"> <p class=\"WTOcaveat cdone2\"><span class=\"Head3 cdone\">1.8<\/span>\u00a0<i>This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.<\/i><\/p><\/div><\/div><\/div>","1896765":"<div class=\"astm-type-body--lead border-top mt-3 pt-2 adv-description\"><p class=\"astm-type-heading--h6 astm-type-heading--h6-bold mb-3 desc-significance-n-use-label\">Significance and Use<\/p><div class=\"mb-2 desc-significance-n-use\"><div class=\"SectionLevel2\"> <p class=\"subsec1 cdone2\"><span class=\"Head3 cdone\">5.1<\/span>\u00a0Esta norma clasifica los suelos de cualquier ubicaci\u00f3n geogr\u00e1fica en categor\u00edas que representan los resultados de las pruebas de laboratorio prescritas para determinar las caracter\u00edsticas del tama\u00f1o de part\u00edcula, el l\u00edmite l\u00edquido y el \u00edndice de plasticidad.<\/p><\/div> <div class=\"SectionLevel2\"> <p class=\"subsec1 cdone2\"><span class=\"Head3 cdone\">5.2<\/span>\u00a0La asignaci\u00f3n de un nombre y s\u00edmbolos de grupo junto con la informaci\u00f3n descriptiva requerida en la Pr\u00e1ctica <span class=\"Body-link1 cdone\">D2488<\/span> se pueden utilizar para describir un suelo a fin de ayudar en la evaluaci\u00f3n de sus propiedades significativas para el uso de ingenier\u00eda.<\/p><\/div> <div class=\"SectionLevel2\"> <p class=\"subsec1 cdone2\"><span class=\"Head3 cdone\">5.3<\/span>\u00a0Las diversas agrupaciones de este sistema de clasificaci\u00f3n se han ideado para correlacionarse de manera general con el comportamiento de los suelos en el \u00e1rea de ingenier\u00eda. Esta norma proporciona un primer paso \u00fatil en cualquier investigaci\u00f3n de campo o laboratorio con fines de ingenier\u00eda geot\u00e9cnica.<\/p><\/div> <div class=\"SectionLevel2\"> <p class=\"subsec1 cdone2\"><span class=\"Head3 cdone\">5.4<\/span>\u00a0Esta norma tambi\u00e9n se puede utilizar como ayuda para la capacitaci\u00f3n de personal en el uso de la Pr\u00e1ctica <span class=\"Body-link1 cdone\">D2488<\/span>.<\/p><\/div> <div class=\"SectionLevel2\"> <p class=\"subsec1 cdone2\"><span class=\"Head3 cdone\">5.5<\/span>\u00a0Esta norma se puede utilizar en combinaci\u00f3n con la Pr\u00e1ctica <span class=\"Body-link1 cdone\">D4083<\/span> cuando se trabaja con suelos congelados. <\/p><div style=\"text-align:left;\" class=\"NoteLevel1\"> <p><span class=\"note cdone\" style=\"text-transform: uppercase;\">Nota\u00a05:<\/span>\u00a0 <span class=\"note cdone\">A pesar de las declaraciones sobre la precisi\u00f3n y el sesgo contenidas en esta norma: La precisi\u00f3n de este m\u00e9todo de prueba depende de la capacidad del personal que lo lleva a cabo y de la idoneidad de los equipos e instalaciones utilizados. Las agencias que cumplen con los criterios de la Pr\u00e1ctica <span class=\"Note-link1 cdone\">D3740<\/span> generalmente se consideran capaces de realizar pruebas competentes y objetivas. Se advierte a los usuarios de este m\u00e9todo de prueba que el cumplimiento de la Pr\u00e1ctica <span class=\"Note-link1 cdone\">D3740<\/span> no garantiza por s\u00ed mismo la obtenci\u00f3n de pruebas confiables. La prueba confiable depende de varios factores; la Pr\u00e1ctica <span class=\"Note-link1 cdone\">D3740<\/span> proporciona un medio para evaluar algunos de esos factores.<\/span><\/p><\/div><\/div><\/div><p class=\"astm-type-heading--h6 astm-type-heading--h6-bold mb-3 desc-scope-label\">Scope<\/p><div class=\"mb-2 desc-scope\"><div class=\"SectionLevel2\"> <p class=\"subsec1 cdone2\"><span class=\"Head3 cdone\">1.1<\/span>\u00a0Esta pr\u00e1ctica describe un sistema para clasificar los suelos minerales y turbosos con fines de ingenier\u00eda, basados en la determinaci\u00f3n de laboratorio de las caracter\u00edsticas del tama\u00f1o de part\u00edcula, el l\u00edmite l\u00edquido y el \u00edndice de plasticidad y deber\u00e1 utilizarse cuando se requiera una clasificaci\u00f3n precisa. <\/p><div style=\"text-align:left;\" class=\"NoteLevel1\"> <p><span class=\"note cdone\" style=\"text-transform: uppercase;\">Nota\u00a01:<\/span>\u00a0 <span class=\"note cdone\">El uso de esta norma dar\u00e1 como resultado un solo s\u00edmbolo de grupo de clasificaci\u00f3n y un nombre de grupo, excepto cuando un suelo contenga de 5\u00a0a\u00a012\u00a0% de part\u00edculas finas o cuando el diagrama de los valores del \u00edndice de plasticidad y del l\u00edmite de l\u00edquido caiga en el \u00e1rea sombreada con rayas del gr\u00e1fico de plasticidad. En estos dos casos, se utiliza un s\u00edmbolo doble, por ejemplo, GP-GM, CL-ML. Cuando los resultados de las pruebas de laboratorio indican que el suelo est\u00e1 cerca de otro grupo de clasificaci\u00f3n de suelo, la condici\u00f3n l\u00edmite se puede indicar con dos s\u00edmbolos separados por una barra oblicua. El primer s\u00edmbolo debe ser el que se basa en esta norma, por ejemplo, CL\/CH, GM\/SM, SC\/CL. Los s\u00edmbolos lim\u00edtrofes son particularmente \u00fatiles cuando el valor l\u00edmite l\u00edquido de las tierras arcillosas es cercano a 50. Estos suelos pueden tener caracter\u00edsticas expansivas y el uso de un s\u00edmbolo lim\u00edtrofe (CL\/CH, CH\/CL) advertir\u00e1 al usuario de las clasificaciones asignadas de un potencial expansivo.<\/span><\/p><\/div><\/div> <div class=\"SectionLevel2\"> <p class=\"subsec1 cdone2\"><span class=\"Head3 cdone\">1.2<\/span>\u00a0La parte del s\u00edmbolo de grupo de este sistema se basa en las pruebas de laboratorio realizadas en la parte de una muestra de suelo que pas\u00f3 por tamiz de 3\u00a0in. (75\u00a0mm) (consulte la Especificaci\u00f3n <span class=\"Body-link1 cdone\">E11<\/span>).<\/p><\/div> <div class=\"SectionLevel2\"> <p class=\"subsec1 cdone2\"><span class=\"Head3 cdone\">1.3<\/span>\u00a0Como sistema de clasificaci\u00f3n, esta norma se limita a suelos naturales. <\/p><div style=\"text-align:left;\" class=\"NoteLevel1\"> <p><span class=\"note cdone\" style=\"text-transform: uppercase;\">Nota\u00a02:<\/span>\u00a0 <span class=\"note cdone\">Los nombres y los s\u00edmbolos de los grupos utilizados en este m\u00e9todo de prueba se pueden utilizar como un sistema descriptivo que se aplic\u00f3 a materiales tales como el esquisto, la arcillolita, las conchas, la roca triturada, etc. Consulte el <span class=\"Note-link1 cdone\">Ap\u00e9ndice\u00a0X2<\/span>.<\/span><\/p><\/div><\/div> <div class=\"SectionLevel2\"> <p class=\"subsec1 cdone2\"><span class=\"Head3 cdone\">1.4<\/span>\u00a0Esta norma es solamente para la aplicaci\u00f3n cualitativa. <\/p><div style=\"text-align:left;\" class=\"NoteLevel1\"> <p><span class=\"note cdone\" style=\"text-transform: uppercase;\">Nota\u00a03:<\/span>\u00a0 <span class=\"note cdone\">Cuando se requiere informaci\u00f3n cuantitativa para dise\u00f1os detallados de estructuras importantes, este m\u00e9todo de prueba se debe complementar con pruebas de laboratorio u otros datos cuantitativos para determinar las caracter\u00edsticas de rendimiento en las condiciones de campo esperadas.<\/span><\/p><\/div><\/div> <div class=\"SectionLevel2\"> <p class=\"subsec1 cdone2\"><span class=\"Head3 cdone\">1.5<\/span>\u00a0Esta norma es la versi\u00f3n de ASTM del Sistema unificado de clasificaci\u00f3n de suelos. La base para el esquema de clasificaci\u00f3n es el Sistema de clasificaci\u00f3n de aeropuertos desarrollado por A. Casagrande a principios de la d\u00e9cada de 1940.<span style=\"font-style:normal;\"><span class=\"footnote-link\">2<\/span><\/span> Se lo conoci\u00f3 como el Sistema unificado de clasificaci\u00f3n de suelos cuando varias agencias gubernamentales de EE.\u00a0UU adoptaron una versi\u00f3n modificada del Sistema de aeropuertos en 1952.<\/p><\/div> <div class=\"SectionLevel2\"> <p class=\"caveat cdone2\"><span class=\"Head3 cdone\">1.6<\/span>\u00a0<i>Este est\u00e1ndar no pretende abordar todas las inquietudes de seguridad, en caso de existir alguna, relacionadas con su uso. Es responsabilidad del usuario de esta norma establecer las pr\u00e1cticas de salud, de seguridad y ambientales apropiadas y determinar la aplicabilidad de las limitaciones normativas antes de su uso.<\/i><\/p><\/div> <div class=\"SectionLevel2\"> <p class=\"subsec1 cdone2\"><span class=\"Head3 cdone\">1.7<\/span>\u00a0<span style=\"font-style:italic;font-weight:normal;\" class=\"overriddenformat\">En esta pr\u00e1ctica, se ofrece un conjunto de instrucciones para realizar una o m\u00e1s operaciones espec\u00edficas. Este documento no puede reemplazar la educaci\u00f3n ni la experiencia y debe utilizarse en conjunto con el criterio profesional. Es posible que no todos los aspectos de esta pr\u00e1ctica sean aplicables en todas las circunstancias. Esta norma de ASTM no est\u00e1 destinada a representar ni reemplazar el nivel de protecci\u00f3n por el cual se debe determinar la idoneidad de un servicio profesional determinado, ni tampoco se debe aplicar este documento sin considerar los numerosos aspectos \u00fanicos de un proyecto. La palabra \u201cNorma\u201d en el t\u00edtulo de este documento significa \u00fanicamente que el documento ha sido aprobado mediante el proceso de consenso de\u00a0ASTM. <\/span><\/p><\/div> <div class=\"SectionLevel2\"> <p class=\"WTOcaveat cdone2\"><span class=\"Head3 cdone\">1.8<\/span>\u00a0<i>Este est\u00e1ndar internacional fue desarrollado de conformidad con principios de estandarizaci\u00f3n reconocidos a nivel internacional y establecidos en la Decisi\u00f3n sobre Principios para el Desarrollo de Est\u00e1ndares, Gu\u00edas y Recomendaciones Internacionales (Decision on Principles for the Development of International Standards, Guides and Recommendations) publicada por el Comit\u00e9 de Acuerdo sobre Obst\u00e1culos T\u00e9cnicos al Comercio (Technical Barriers to Trade, TBT) de la Organizaci\u00f3n Mundial del Comercio.<\/i><\/p><\/div><\/div><\/div>","configProduct":"<div class=\"astm-type-body--lead border-top mt-3 pt-2 adv-description\"><p class=\"astm-type-heading--h6 astm-type-heading--h6-bold mb-3 desc-significance-n-use-label\">Significance and Use<\/p><div class=\"mb-2 desc-significance-n-use\"> <div class=\"SectionLevel2\"> <p class=\"subsec1 cdone2\"><span class=\"Head3 cdone\">5.1<\/span>\u00a0This standard classifies soils from any geographic location into categories representing the results of prescribed laboratory tests to determine the particle-size characteristics, the liquid limit, and the plasticity index.<\/p><\/div> <div class=\"SectionLevel2\"> <p class=\"subsec1 cdone2\"><span class=\"Head3 cdone\">5.2<\/span>\u00a0The assigning of a group name and symbol(s) along with the descriptive information required in Practice <span class=\"Body-link1 cdone\">D2488<\/span> can be used to describe a soil to aid in the evaluation of its significant properties for engineering use.<\/p><\/div> <div class=\"SectionLevel2\"> <p class=\"subsec1 cdone2\"><span class=\"Head3 cdone\">5.3<\/span>\u00a0The various groupings of this classification system have been devised to correlate in a general way with the engineering behavior of soils. This standard provides a useful first step in any field or laboratory investigation for geotechnical engineering purposes.<\/p><\/div> <div class=\"SectionLevel2\"> <p class=\"subsec1 cdone2\"><span class=\"Head3 cdone\">5.4<\/span>\u00a0This standard may also be used as an aid in training personnel in the use of Practice <span class=\"Body-link1 cdone\">D2488<\/span>.<\/p><\/div> <div class=\"SectionLevel2\"> <p class=\"subsec1 cdone2\"><span class=\"Head3 cdone\">5.5<\/span>\u00a0This standard may be used in combination with Practice <span class=\"Body-link1 cdone\">D4083<\/span> when working with frozen soils. <\/p><div style=\"text-align:left;\" class=\"NoteLevel1\"> <p><span class=\"note cdone\" style=\"text-transform: uppercase;\">Note 5:<\/span>\u00a0<span class=\"note cdone\">Notwithstanding the statements on precision and bias contained in this standard: The precision of this test method is dependent on the competence of the personnel performing it and the suitability of the equipment and facilities used. Agencies that meet the criteria of Practice <span class=\"Note-link1 cdone\">D3740<\/span> are generally considered capable of competent and objective testing. Users of this test method are cautioned that compliance with Practice <span class=\"Note-link1 cdone\">D3740<\/span> does not in itself assure reliable testing. Reliable testing depends on several factors; Practice <span class=\"Note-link1 cdone\">D3740<\/span> provides a means for evaluating some of those factors.<\/span><\/p><\/div><\/div><\/div><p class=\"astm-type-heading--h6 astm-type-heading--h6-bold mb-3 desc-scope-label\">Scope<\/p><div class=\"mb-2 desc-scope\"> <div class=\"SectionLevel2\"> <p class=\"subsec1 cdone2\"><span class=\"Head3 cdone\">1.1<\/span>\u00a0This practice describes a system for classifying mineral and organo-mineral soils for engineering purposes based on laboratory determination of particle-size characteristics, liquid limit, and plasticity index and shall be used when precise classification is required. <\/p><div style=\"text-align:left;\" class=\"NoteLevel1\"> <p><span class=\"note cdone\" style=\"text-transform: uppercase;\">Note 1:<\/span>\u00a0<span class=\"note cdone\">Use of this standard will result in a single classification group symbol and group name except when a soil contains 5 to 12\u2009% fines or when the plot of the liquid limit and plasticity index values falls into the crosshatched area of the plasticity chart. In these two cases, a dual symbol is used, for example, GP-GM, CL-ML. When the laboratory test results indicate that the soil is close to another soil classification group, the borderline condition can be indicated with two symbols separated by a slash. The first symbol should be the one based on this standard, for example, CL\/CH, GM\/SM, SC\/CL. Borderline symbols are particularly useful when the liquid limit value of clayey soils is close to 50. These soils can have expansive characteristics and the use of a borderline symbol (CL\/CH, CH\/CL) will alert the user of the assigned classifications of expansive potential.<\/span><\/p><\/div><\/div> <div class=\"SectionLevel2\"> <p class=\"subsec1 cdone2\"><span class=\"Head3 cdone\">1.2<\/span>\u00a0The group symbol portion of this system is based on laboratory tests performed on the portion of a soil sample passing the 3-in. (75-mm) sieve (see Specification <span class=\"Body-link1 cdone\">E11<\/span>).<\/p><\/div> <div class=\"SectionLevel2\"> <p class=\"subsec1 cdone2\"><span class=\"Head3 cdone\">1.3<\/span>\u00a0As a classification system, this standard is limited to naturally occurring soils. <\/p><div style=\"text-align:left;\" class=\"NoteLevel1\"> <p><span class=\"note cdone\" style=\"text-transform: uppercase;\">Note 2:<\/span>\u00a0<span class=\"note cdone\">The group names and symbols used in this test method may be used as a descriptive system applied to such materials as shale, claystone, shells, crushed rock, etc. See <span class=\"Note-link1 cdone\">Appendix X2<\/span>.<\/span><\/p><\/div><\/div> <div class=\"SectionLevel2\"> <p class=\"subsec1 cdone2\"><span class=\"Head3 cdone\">1.4<\/span>\u00a0This standard is for qualitative application only. <\/p><div style=\"text-align:left;\" class=\"NoteLevel1\"> <p><span class=\"note cdone\" style=\"text-transform: uppercase;\">Note 3:<\/span>\u00a0<span class=\"note cdone\">When quantitative information is required for detailed designs of important structures, this test method must be supplemented by laboratory tests or other quantitative data to determine performance characteristics under expected field conditions.<\/span><\/p><\/div><\/div> <div class=\"SectionLevel2\"> <p class=\"subsec1 cdone2\"><span class=\"Head3 cdone\">1.5<\/span>\u00a0This standard is the ASTM version of the Unified Soil Classification System. The basis for the classification scheme is the Airfield Classification System developed by A. Casagrande in the early 1940s.<span style=\"font-style:normal;\"><span class=\"footnote-link\">2<\/span><\/span> It became known as the Unified Soil Classification System when several U.S. Government Agencies adopted a modified version of the Airfield System in 1952.<\/p><\/div> <div class=\"SectionLevel2\"> <p class=\"caveat cdone2\"><span class=\"Head3 cdone\">1.6<\/span>\u00a0<i>This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.<\/i><\/p><\/div> <div class=\"SectionLevel2\"> <p class=\"subsec1 cdone2\"><span class=\"Head3 cdone\">1.7<\/span>\u00a0<span style=\"font-style:italic;font-weight:normal;\" class=\"overriddenformat\">This practice offers a set of instructions for performing one or more specific operations. This document cannot replace education or experience and should be used in conjunction with professional judgment. Not all aspects of this practice may be applicable in all circumstances. This ASTM standard is not intended to represent or replace the standard of care by which the adequacy of a given professional service must be judged, nor should this document be applied without consideration of a project's many unique aspects. The word \u201cStandard\u201d in the title of this document means only that the document has been approved through the ASTM consensus process. <\/span><\/p><\/div> <div class=\"SectionLevel2\"> <p class=\"WTOcaveat cdone2\"><span class=\"Head3 cdone\">1.8<\/span>\u00a0<i>This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.<\/i><\/p><\/div><\/div><\/div>"},"isWithdrawns":{"1403351":false,"1403360":false,"1403363":false,"1896765":false,"configProduct":false},"designations":{"1403351":"","1403360":"","1403363":"","1896765":"","configProduct":"<div class='tooltip-inner__content bg-white tooltip-withdraw-content'><div class='astm-type-body--small text-left'>An ASTM designation number identifies a unique version of an ASTM standard.<\/div><br><div class='astm-type-body--small text-left title-text-bold'><strong class='asset-id'>D2487-17E01<\/strong><\/div><\/div>"},"configOptions":{"5455":"en-US","6037":"es-CL","5446":"ONL","440000":"Online - Standard + Redline Bundle","5449":"POD"},"languageAttributeId":"691","formatAttributeId":"688","subscriptionAttributeData":[],"subscriptionErrorMessage":"Sorry, you can only purchase a quantity of 1 per unique subscription. 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D2487 Standard Practice for Classification of Soils for Engineering Purposes (Unified Soil Classification System)