{"id":20598,"date":"2025-09-29T10:07:26","date_gmt":"2025-09-29T10:07:26","guid":{"rendered":"https:\/\/ctcon-rm.com\/?p=20598"},"modified":"2025-09-30T08:53:19","modified_gmt":"2025-09-30T08:53:19","slug":"effect-of-high-gypsum-contents-in-mortars-made-with-portland-cement-and-alkali-activated-slag","status":"publish","type":"post","link":"https:\/\/ctcon-rm.com\/es\/effect-of-high-gypsum-contents-in-mortars-made-with-portland-cement-and-alkali-activated-slag\/","title":{"rendered":"Effect of High Gypsum Contents in Mortars Made with Portland Cement and Alkali-Activated Slag"},"content":{"rendered":"\n<p class=\"has-black-color has-text-color has-link-color wp-elements-8c8ab0f3b227780a89f33440da13073b wp-block-paragraph\"><strong>Authors<\/strong><br>Miriam Hern\u00e1ndez; Carlos Rodr\u00edguez; Rosa Navarro; Carlos Parra; Marina S\u00e1nchez; Roberto Rodr\u00edguez; Pablo G\u00f3mez; Fernando Fern\u00e1ndez; Isidro S\u00e1nchez. <a href=\"https:\/\/drive.google.com\/drive-viewer\/AKGpihaiynXjEmmMTasKRJZh8JBNwIC8ZBuzA_mB7YoQ1bgPLp40b5ul_mGDlaSMc4I755kBfNkpIydUYyJ23Ro9_JLWufvpMig-Lpw%3Ds1600-rw-v1\" target=\"_blank\" rel=\"noreferrer noopener\">drive.google.com<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Abstract<\/strong><br>The work studies recycled aggregates that contain gypsum\u2014common in C&amp;DW\u2014and their effect on mortar performance when combined with different binders: Portland cements (CEM I, CEM III\/B, CEM IV) and alkali-activated slag (AAS). Gypsum contents of 2%, 5%, 10%, and 20% (replacing natural aggregate) were assessed via compressive and flexural strength, ultrasonics, and dimensional stability. Up to ~2% gypsum, behavior is comparable to reference mixes across all binders. Above that threshold, responses diverge by cement type; with CEM III\/B and CEM IV the measured properties are least affected, whereas higher gypsum tends to be more detrimental in other systems. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Type of publication<\/strong><br>Conference paper (SCMT6 proceedings). <a href=\"https:\/\/drive.google.com\/drive-viewer\/AKGpihaiynXjEmmMTasKRJZh8JBNwIC8ZBuzA_mB7YoQ1bgPLp40b5ul_mGDlaSMc4I755kBfNkpIydUYyJ23Ro9_JLWufvpMig-Lpw%3Ds1600-rw-v1\" target=\"_blank\" rel=\"noreferrer noopener\">drive.google.com+1<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Conference \/ Publisher<\/strong><br>Sixth International Conference on Sustainable Construction Materials and Technologies (SCMT6), ENTPE\u2014University of Lyon, France (9\u201314 June 2024). Proceedings published by SCMT Conferences. <a href=\"https:\/\/www.entpe.fr\/conference-internationale-sur-les-materiaux-de-construction-durables-scmt6-9-au-14-juin-2024?utm_source=chatgpt.com\" target=\"_blank\" rel=\"noreferrer noopener\">entpe.fr+1<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Keywords<\/strong><br>Mixed recycled aggregate; recycled gypsum; alkali-activated slag; C&amp;DW; durability; mechanical performance. <a href=\"https:\/\/drive.google.com\/drive-viewer\/AKGpihaiynXjEmmMTasKRJZh8JBNwIC8ZBuzA_mB7YoQ1bgPLp40b5ul_mGDlaSMc4I755kBfNkpIydUYyJ23Ro9_JLWufvpMig-Lpw%3Ds1600-rw-v1\" target=\"_blank\" rel=\"noreferrer noopener\">drive.google.com<\/a><\/p>\n\n\n\n<p class=\"has-luminous-vivid-orange-color has-text-color has-link-color wp-elements-bb88aea843dca7c5b12aea0663896d7a wp-block-paragraph\"><strong><a href=\"https:\/\/drive.google.com\/file\/d\/1AhjaHp3QC0lK6h7uT87vHwGRj2DVucl8\/view\" target=\"_blank\" rel=\"noopener\">ACCESS HERE<\/a><\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Abstract<br \/>\nThe work studies recycled aggregates that contain gypsum\u2014common in C&#038;DW\u2014and their effect on mortar performance when combined with different binders: Portland cements (CEM I, CEM III\/B, CEM IV) and alkali-activated slag (AAS). Gypsum contents of 2%, 5%, 10%, and 20% (replacing natural aggregate) were assessed via compressive and flexural strength, ultrasonics, and dimensional stability. Up to ~2% gypsum, behavior is comparable to reference mixes across all binders. Above that threshold, responses diverge by cement type; with CEM III\/B and CEM IV the measured properties are least affected, whereas higher gypsum tends to be more detrimental in other systems<\/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-20598","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\/20598","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=20598"}],"version-history":[{"count":3,"href":"https:\/\/ctcon-rm.com\/es\/wp-json\/wp\/v2\/posts\/20598\/revisions"}],"predecessor-version":[{"id":20696,"href":"https:\/\/ctcon-rm.com\/es\/wp-json\/wp\/v2\/posts\/20598\/revisions\/20696"}],"wp:attachment":[{"href":"https:\/\/ctcon-rm.com\/es\/wp-json\/wp\/v2\/media?parent=20598"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ctcon-rm.com\/es\/wp-json\/wp\/v2\/categories?post=20598"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ctcon-rm.com\/es\/wp-json\/wp\/v2\/tags?post=20598"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}