{"id":20589,"date":"2025-09-29T09:16:49","date_gmt":"2025-09-29T09:16:49","guid":{"rendered":"https:\/\/ctcon-rm.com\/?p=20589"},"modified":"2025-09-30T08:55:50","modified_gmt":"2025-09-30T08:55:50","slug":"development-of-low-carbon-autoclaved-aerated-concrete-using-an-alkali-activated-ground-granulated-blast-furnace-slag-and-calcium-carbide-slag","status":"publish","type":"post","link":"https:\/\/ctcon-rm.com\/es\/development-of-low-carbon-autoclaved-aerated-concrete-using-an-alkali-activated-ground-granulated-blast-furnace-slag-and-calcium-carbide-slag\/","title":{"rendered":"Development of Low-Carbon Autoclaved Aerated Concrete Using an Alkali-Activated Ground Granulated Blast Furnace Slag and Calcium Carbide Slag"},"content":{"rendered":"\n<p class=\"has-black-color has-text-color has-link-color wp-elements-abc8facee955a013514635318c6de789 wp-block-paragraph\"><strong>Authors<\/strong><br>Carlos Rodriguez, Pablo G\u00f3mez, Felipe Mart\u00ed, Sumit Srivastava, Marina Sanchez, Fernando Fernandez, Irene Bele\u00f1a, Miriam Hern\u00e1ndez. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Abstract<\/strong><br>The paper develops low-carbon autoclaved aerated concrete (AAC) by fully replacing OPC with lime-activated GGBFS and, in some mixes, adding calcium carbide slag (CCS). Five AAC formulations were tested (workability, foaming, strength, density, thermal conductivity, phase composition, and LCA). CCS boosted tobermorite formation during autoclaving, enabling BFS+CCS mixes to reach compressive strengths comparable to the OPC reference while keeping very low densities (\u2248420\u2013441 kg\/m\u00b3) and thermal conductivities of 0.111\u20130.119 W\/(m\u00b7K). LCA (EF 3.1, cradle-to-gate) showed up to ~48% CO\u2082-equivalent reduction versus OPC-AAC, with BFS+CCS mixes meeting UNE-EN 771-4 strength requirements for load-bearing AAC blocks. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Type of publication<\/strong><br>Journal paper. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Publisher<\/strong><br><em>Applied Sciences<\/em> (MDPI), Special Issue \u201cEnhancing Concrete Sustainability: Innovative Materials and Technologies for Greener Concrete\u201d; Published 11 September 2025. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>DOI<\/strong><br>10.3390\/app15189946.<\/p>\n\n\n\n<p class=\"has-luminous-vivid-orange-color has-text-color has-link-color wp-elements-f72cbba276fec881f2a0f521664ef536 wp-block-paragraph\"><strong><a href=\"https:\/\/www.mdpi.com\/2076-3417\/15\/18\/9946\" target=\"_blank\" rel=\"noopener\">ACCESS HERE<\/a><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Abstract<br \/>\nThe paper develops low-carbon autoclaved aerated concrete (AAC) by fully replacing OPC with lime-activated GGBFS and, in some mixes, adding calcium carbide slag (CCS). Five AAC formulations were tested (workability, foaming, strength, density, thermal conductivity, phase composition, and LCA). CCS boosted tobermorite formation during autoclaving, enabling BFS+CCS mixes to reach compressive strengths comparable to the OPC reference while keeping very low densities (\u2248420\u2013441 kg\/m\u00b3) and thermal conductivities of 0.111\u20130.119 W\/(m\u00b7K). LCA (EF 3.1, cradle-to-gate) showed up to ~48% CO\u2082-equivalent reduction versus OPC-AAC, with BFS+CCS mixes meeting UNE-EN 771-4 strength requirements for load-bearing AAC blocks.<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_uf_show_specific_survey":0,"_uf_disable_surveys":false,"footnotes":""},"categories":[156],"tags":[157],"class_list":["post-20589","post","type-post","status-publish","format-standard","hentry","category-publicaciones-cientificas","tag-publicaciones-cientificas"],"_links":{"self":[{"href":"https:\/\/ctcon-rm.com\/es\/wp-json\/wp\/v2\/posts\/20589","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ctcon-rm.com\/es\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ctcon-rm.com\/es\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ctcon-rm.com\/es\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/ctcon-rm.com\/es\/wp-json\/wp\/v2\/comments?post=20589"}],"version-history":[{"count":3,"href":"https:\/\/ctcon-rm.com\/es\/wp-json\/wp\/v2\/posts\/20589\/revisions"}],"predecessor-version":[{"id":20697,"href":"https:\/\/ctcon-rm.com\/es\/wp-json\/wp\/v2\/posts\/20589\/revisions\/20697"}],"wp:attachment":[{"href":"https:\/\/ctcon-rm.com\/es\/wp-json\/wp\/v2\/media?parent=20589"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ctcon-rm.com\/es\/wp-json\/wp\/v2\/categories?post=20589"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ctcon-rm.com\/es\/wp-json\/wp\/v2\/tags?post=20589"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}