CINXE.COM

<!DOCTYPE html><html lang="en-US"><head><title>Just a moment...</title><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><meta http-equiv="X-UA-Compatible" content="IE=Edge"><meta name="robots" content="noindex,nofollow"><meta name="viewport" content="width=device-width,initial-scale=1"><style>*{box-sizing:border-box;margin:0;padding:0}html{line-height:1.15;-webkit-text-size-adjust:100%;color:#313131;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,sans-serif,Apple Color Emoji,Segoe UI Emoji,Segoe UI Symbol,Noto Color Emoji}body{display:flex;flex-direction:column;height:100vh;min-height:100vh}.main-content{margin:8rem auto;max-width:60rem;padding-left:1.5rem}@media (width <= 720px){.main-content{margin-top:4rem}}.h2{font-size:1.5rem;font-weight:500;line-height:2.25rem}@media (width <= 720px){.h2{font-size:1.25rem;line-height:1.5rem}}#challenge-error-text{background-image:url(data:image/svg+xml;base64,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);background-repeat:no-repeat;background-size:contain;padding-left:34px}@media (prefers-color-scheme:dark){body{background-color:#222;color:#d9d9d9}}</style><meta http-equiv="refresh" content="120"></head><body class="no-js"><div class="main-wrapper" role="main"><div class="main-content"><noscript><div class="h2"><span id="challenge-error-text">Enable JavaScript and cookies to continue</span></div></noscript></div></div><script>(function(){window._cf_chl_opt={cvId: '3',cZone: "waset.org",cType: 'non-interactive',cRay: '917ceb478acfce42',cH: '5rMnDuce.KpAH7Ul47BY93whADTONpJjrnyfZBg4LrE-1740541282-1.2.1.1-.qaPk_M6EJ5KM6SL0zsgUnA215bVq5QBcHekook.v1y70hD0Tg5.yBchPCwcDfUd',cUPMDTk: "\/geopolymer-cement-and-geopolymer-concrete-conference-in-april-2025-in-seville?__cf_chl_tk=UnUgDrs_Dq0IHg_EPrSP9kDh3BwUAZJpTikGKeBVrNw-1740541282-1.0.1.1-xL1s3St3dyd4n_jg.EGleksNcp.JTbNW70YaCLhoByc",cFPWv: 'b',cITimeS: '1740541282',cTTimeMs: '1000',cMTimeMs: '120000',cTplC: 0,cTplV: 5,cTplB: 'cf',cK: "",fa: "\/geopolymer-cement-and-geopolymer-concrete-conference-in-april-2025-in-seville?__cf_chl_f_tk=UnUgDrs_Dq0IHg_EPrSP9kDh3BwUAZJpTikGKeBVrNw-1740541282-1.0.1.1-xL1s3St3dyd4n_jg.EGleksNcp.JTbNW70YaCLhoByc",md: "05MSp.Dro7z438jCEs4rTntxXRd3tREVc61ITz9kqRs-1740541282-1.2.1.1-BJFgXSvxdo9wQuYvxuESVEp3nj4Ooo_A4dHMZhWdk7i3COvNRhnESTuktP.q7hFc8HGRhCd8qUX_8QdTG0qkKtaRQDtRNcTpzECmBgvMCrpx3yu1tadwOOtCgp3VKyl1RKGe.NccGq6rhLAJmdAfpEly_XEltgk3j5zSjHtXni.KfSckwfy8MUDrFkEzkUXsQmfE3t9OkoCvNTQlP44kYNnzUH8XB55c19ZHTsftLj86wPo5NISi3gxxkRY61zI_NVLntC0ow79xXqs66oJYVUgkeg4tUWZODD3YvUME8JPugI2oOx5nBpLg.Smu8aCwYEtkBVEYWIswLHauROpoAgqyGGAcvJLefSvF5olvTdIokiFz3dqd.YhMmR25cxCiRJl0DQiQryBmbSdSpxaEyqGTKH8z.nv.s.wwo94LIXL1KH3yv3WbyIHQPBn8YtvaJUVHznEBbs9PKDGf4yFhYxXf.MogFwMKUgUNswB6bkxDMq7.HoLzs7J0Vo8o9CQdesSQMK8zBaAQupd49Fr2qHyl9RR2faJqj2hgl_e.YVZ.b0XYk_iYS3zgFPTgydNVkQQXEzJG6.bgl5mQ7slky1583nxGigPBHhOQIyeVPjWKwhjgadl5BNQaEHqm79JeI_B57qZklaYYybvQZq7nS6jCRtB_91maessmF7wXRvJcHazWDwG6w22.09y3A0qEk8iu9jHJPlR43T6paofW4k7ZvbLqtNtk0j9uhp65H_mFOi17xhvVZoI1KtFG6MHCpu78qsDifWAYkEbz2CLFi..CzNDSTMjBfhfq1wnxsK_L.vDizf5FQqe1An6AAFg7SVv3dlaE_.Bl97NcyLHF2mLDVtBPVa7sFTFU4Sk5CT9cqEETBu23kFDl2XbEVKhwPCWYpitixiV5UeYkkH.QjiqfWXp7bwL.MyqhJ7wutArhHlDm0fwHTWOvULF0YErjlSGR39Xpc4u.w1r.fPUUD3fXqj8BtqUydKhkzNWh1sLUu2h8w9pviKx7W39Ahxi1S_U.rtYanKf5eKpiril7IxgEmzSFEp7_ZzNZQLHplwguo6VxNvWRL8w_M1WHLiuIZGn6VvUsaXNTGecfxoUmrRjjy0tzNHvWNRZ1X5BoDjXFC1yL13fe0DpEILAgzHyYYU6FqsikDLr4y9u5u1fptZzf4F2lLiyuo08siyVLj0x7TH0cDr_CIVO7Mb90kdFo8T4hSrNLEsc0tZrE6DzYl2HrMEFtP8rYYSoJ4PTHVftLOxV9MojDM0U1aOUXc_UOID7ZuINYTJES5Fmj7NeFS2EMLLTO1.g6dI_LyF_I1RqJd4NETN2CXPi_IQUdbS.au4._uQGBgW9tIwnzPOP5O0vl0L3FVwjLZcUL3dOsfbqeQuRgOBRViJzV6LosBmppl54K7RUxvNx6Jncp.APN1zhIPNdfjGvrCGdVRkisrKXRcSL6aAGy.AcWTvTt8OXPq7.dnw_EFojx8YG2bvde7_tBJfm3IH_9udmIIlPGaVkwuGYLIayK6JJP_3KQgnfwP.cS4t7H3Z0wkM4Mhxz.jivPFzIdzYqF0GvJGWRqY5yi1zr4rVMhR0Se1DvWW1EkXfla7d3KVfevY_n4pzb2SdY0EfvHQKFdlxduf7sLGbUB0.v1kHVsyYl6nkeP2pM1UnvoxmdgqpycROsChVLsQM8xxcmh6.tN23QBHqQSuYlzKN6Z29sPSEKvb9k1GPagVMjUdK_pz.7zN_2ArBMB_5c_cL7ZWrMpRkJM2JSj.i6x7UiIJRRvX9NcvllVoGZH3Wy4wi_3u5UZqv8t4JBrC0DeOJ4xJCfuaXFTBc1WhPvfBWhv2hh0w2t9G6s.Jzq7JPJRpoWojHUEjyUW0nqntCthnP5eXEyFNyB6xvRHXktstcJ44au4oo0IRLclMWzL4K2Q0SJBXdSUtfS91UQYP_QV9jEMf94G5p1aTlhQroADj1hgGpI6QJMjXlWWtJ9TxBwfriUIH4ZOr3L6DUKxQgDiJhu8NQk9hyG91e2rWUJ.aAAZo6ufRJDfxGF5Gfdk",mdrd: "1QQRGvCcAIMyVuAZT3jdBQexwbrMWWXbTieMCxIKyic-1740541282-1.2.1.1-XPyNyEihA_jiv7iEPSJ44UBOf7ThS.v3..wwWqwwkMjFmLRFzBS2nY0ua8Jdm9LR289tYp_uCsKqctXPCzHW5krrsG2ToAWqzP7h5u4GVRgzWBFHfe2DfFuC7yors4GBFjo9Nh38zwedCbd6jB8_fbppsKM6Ld9RMT62_t0p5H4wHiJghu8_Rv7uLTLPAXjwhp1VvjKAbu47xSgHxpDI1c23tXwktam9JXTrEp7VxxNN1hXhN8p_JVL.Ww_8ZriHaFToTlgAxi.SLw_KPR7gJSKPphjPHL7K0PGT5WnjCHPF.VnsSDghxYjYxJuXhZzZTauXeTsoNCIzhq4Z8n9W0C3oXGdIumQjw4mtyOUOEw.5Y6ViJnwiKem9_amE.QlrWvPTB0rAGCKbFFo1_cRtupSFO2LU1bq27gXeyerQsvOxsC.HxxOF6Mf6dgvNHf_L8v2dEJLQ6_ML0HBoGNSix.WKEi4CiXAJb4Fcg_kcX.MZpD2TQzz2HHdhvsDnbiSHtOYiY.F8ECwYIFLJH9_Gx6ad0Sqzdhsvq90o9ns59g_4kz30pA0soxI5axGkC5EqLiL8M_6uaDrsDisT9XZ_YIVbcgvjv.6VkpD8l9q8H.SgKMSxXTrer_blSkhFgi1uXCZ_2a3GGTe7pxL91XWWQAYdC4DLnWK11VwOu0vl5PHRTyAXHNRRnByE9NE4OEbA2s4z80C0GCWpqf9EY1ZPW2Plbt92I9HFXuJkeBPXJNpeRmnKYy3ICZDC.JL5zcaVnO5rVefNursJHdBBt.lG7NBgWFBfUIYRkoxDsNYsT9AKNvS5yJuFTcj_CmtHFA3_LeN54c1OB6wK4160YL.AlAMpng_gMGX4hAN9sUv2_OGHXCbO90gy0K2CGYkcFkbVSYyHTV7tKa5fSfPxI4FcjyyNshCrvswtuJoowewTURW.7ygq5jV4gAQY1Nunsj2ymzuJz68pm_o78Rbh28IySHgPyYUeCfYeb6THyZYfJf2cxdKGsFzOOM11N8HLfCbkpX4OvLtFC_bxp9BmSQNMU6_fk5xQWnWBaL79DG_6gIc_TD14Vx.zSrly.GOHd0nbu3N2UAqAGXaDkyf8tTA4G.kB_KMBBCxmoEYwkw330fq_PuShdzU1z.SaT9tCeHjTG75SoJrMTpsmaa9mEGqlICaEzPY1WrHCXz0ddpGOCdBrWgZuqh1dYpDrpUxcvEiaVWrYuCU4idcGvXDidkmtcGCCf1r3Syw6tPgm9ieHnFnFvxHgqp7NC.tDJrQiyxanegyi8fF5GKTYc7W5uVX01FRev1Cc0E1SDYnzOrv2pXPVaazuRvDtmGgcUBP08tQjsUBHU6g0nJv.y9QasdRXPxf0datnFzMz329iZFqVgXarNjBwl37YUmV5EFz45qBSMNIKhZdDCPjesPWU5gEYdAt_go5ubg7MLCqyJGF5t2eCj3QfxW7gzbE8ANUmyiCbj3gwKj6kUkz9DS.ZpG_2ZGY.JD4j_jY0CL1QnIelIF5aVQ2c_SCKBRpWlR7le_id7GB.CkLFXp4QvY6.OflTbCRTJj5sZ7jAeOtItMuR2v_8t1pQjsFl0z7MumQeR8tc7yA8vkbI4_r0viFpsHVzcd4PnsjBOH6wUSxO6ZSwnTownaM4hfHWSfgPqKuZn4HYUz_rwC5iaj28wCTITW3wXdoN7Wj9vlUk74swC4skGr_dsk65jNBObTAp3aW3VZYX32wjhoZnlQb4tpI38hjw.0iJV3AIdsG31SkUj3AjCbCvtBKnekYKmV.ZPNCQRqMAPGWLndzwxGBjRin0TxQ3XorP0OkHpi032Ibl8rcANpxT5nxoQa6L3m2PKcbdR9HyR16Okdn3_avIs61GbOCOYe0Eq2MBE2FYKOyHheqHzrJ_FItT48X2FsHY.GnA5VHPUEChlOEYqf_EZyYWKdYsjdSmv6LYIGJnMKanNHj4nAw"};var cpo = document.createElement('script');cpo.src = '/cdn-cgi/challenge-platform/h/b/orchestrate/chl_page/v1?ray=917ceb478acfce42';window._cf_chl_opt.cOgUHash = location.hash === '' && location.href.indexOf('#') !== -1 ? '#' : location.hash;window._cf_chl_opt.cOgUQuery = location.search === '' && location.href.slice(0, location.href.length - window._cf_chl_opt.cOgUHash.length).indexOf('?') !== -1 ? '?' : location.search;if (window.history && window.history.replaceState) {var ogU = location.pathname + window._cf_chl_opt.cOgUQuery + window._cf_chl_opt.cOgUHash;history.replaceState(null, null, "\/geopolymer-cement-and-geopolymer-concrete-conference-in-april-2025-in-seville?__cf_chl_rt_tk=UnUgDrs_Dq0IHg_EPrSP9kDh3BwUAZJpTikGKeBVrNw-1740541282-1.0.1.1-xL1s3St3dyd4n_jg.EGleksNcp.JTbNW70YaCLhoByc" + window._cf_chl_opt.cOgUHash);cpo.onload = function() {history.replaceState(null, null, ogU);}}document.getElementsByTagName('head')[0].appendChild(cpo);}());</script></body></html>