Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Sustainability of Strain-Hardening Cementitious Composites Incorporating Industrial By-Products
https://orcid.org/http://orcid.org/0009-0001-9650-3416
https://orcid.org/http://orcid.org/0000-0002-4689-8317
https://orcid.org/http://orcid.org/0000-0001-5957-9262
https://orcid.org/http://orcid.org/0000-0002-0003-8901
https://orcid.org/http://orcid.org/0000-0003-3580-4271
https://orcid.org/http://orcid.org/0000-0002-2727-3266
Experimental tests and life cycle assessment (LCA) were carried out on two strain-hardening cementitious composites (SHCC) compositions. The reference mixture (Ref) was compared to a mixture that replaced 50% of fly ash (FA) with electric arc furnace slag (EAFS) powder and incorporated a crystalline admixture. Mechanical tests performed at 28 days on specimens cured in a climate chamber (AR) and in a humid chamber (HAR) revealed a compressive strength of 27 MPa and 32 MPa for EAFS cured in AR and HAR, respectively, and a tensile strength between 3.0–3.6 MPa. LCA results attributed lower environmental impact to EAFS composition when compared to Ref in all the impact categories assessed by method IPCC 2021, focused on climate change – Global Warming Potential (GWP). The study concluded that EAFS powder is an appropriate substitute for FA.
Sustainability of Strain-Hardening Cementitious Composites Incorporating Industrial By-Products
https://orcid.org/http://orcid.org/0009-0001-9650-3416
https://orcid.org/http://orcid.org/0000-0002-4689-8317
https://orcid.org/http://orcid.org/0000-0001-5957-9262
https://orcid.org/http://orcid.org/0000-0002-0003-8901
https://orcid.org/http://orcid.org/0000-0003-3580-4271
https://orcid.org/http://orcid.org/0000-0002-2727-3266
Experimental tests and life cycle assessment (LCA) were carried out on two strain-hardening cementitious composites (SHCC) compositions. The reference mixture (Ref) was compared to a mixture that replaced 50% of fly ash (FA) with electric arc furnace slag (EAFS) powder and incorporated a crystalline admixture. Mechanical tests performed at 28 days on specimens cured in a climate chamber (AR) and in a humid chamber (HAR) revealed a compressive strength of 27 MPa and 32 MPa for EAFS cured in AR and HAR, respectively, and a tensile strength between 3.0–3.6 MPa. LCA results attributed lower environmental impact to EAFS composition when compared to Ref in all the impact categories assessed by method IPCC 2021, focused on climate change – Global Warming Potential (GWP). The study concluded that EAFS powder is an appropriate substitute for FA.
Sustainability of Strain-Hardening Cementitious Composites Incorporating Industrial By-Products
https://orcid.org/http://orcid.org/0009-0001-9650-3416
https://orcid.org/http://orcid.org/0000-0002-4689-8317
https://orcid.org/http://orcid.org/0000-0001-5957-9262
https://orcid.org/http://orcid.org/0000-0002-0003-8901
https://orcid.org/http://orcid.org/0000-0003-3580-4271
https://orcid.org/http://orcid.org/0000-0002-2727-3266
Experimental tests and life cycle assessment (LCA) were carried out on two strain-hardening cementitious composites (SHCC) compositions. The reference mixture (Ref) was compared to a mixture that replaced 50% of fly ash (FA) with electric arc furnace slag (EAFS) powder and incorporated a crystalline admixture. Mechanical tests performed at 28 days on specimens cured in a climate chamber (AR) and in a humid chamber (HAR) revealed a compressive strength of 27 MPa and 32 MPa for EAFS cured in AR and HAR, respectively, and a tensile strength between 3.0–3.6 MPa. LCA results attributed lower environmental impact to EAFS composition when compared to Ref in all the impact categories assessed by method IPCC 2021, focused on climate change – Global Warming Potential (GWP). The study concluded that EAFS powder is an appropriate substitute for FA.
Sustainability of Strain-Hardening Cementitious Composites Incorporating Industrial By-Products
Lecture Notes in Civil Engineering
Barros, Joaquim A. O. (Herausgeber:in) / Cunha, Vítor M. C. F. (Herausgeber:in) / Sousa, Hélder S. (Herausgeber:in) / Matos, José C. (Herausgeber:in) / Sena-Cruz, José M. (Herausgeber:in) / Santos, Rafael (Autor:in) / Neves, Ana (Autor:in) / Almeida, João (Autor:in) / Gaibor, Norma (Autor:in) / Cunha, Vítor Manuel Couto Fernandes (Autor:in)
FIB International Conference on Concrete Sustainability ; 2024 ; Guimarães, Portugal
4th fib International Conference on Concrete Sustainability (ICCS2024) ; Kapitel: 64 ; 530-537
29.12.2024
8 pages
Aufsatz/Kapitel (Buch)
Elektronische Ressource
Englisch
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