Matches in SemOpenAlex for { <https://semopenalex.org/work/W3211631431> ?p ?o ?g. }
- W3211631431 endingPage "532" @default.
- W3211631431 startingPage "532" @default.
- W3211631431 abstract "Unreinforced masonry (URM) structures are vulnerable to earthquakes; thus, materials and techniques for their strengthening and restoration should be developed. However, the materials used in some of the existing retrofitting technologies for URM and the waste produced at its end-of-life are unsustainable. The production of ordinary Portland cement (OPC) worldwide has enormously contributed to the global carbon footprint, resulting in persistent environmental problems. Replacing OPC with geopolymers, which are more sustainable and environmentally friendly, presents a potential solution to these problems. Geopolymers can replace the OPC component in engineering cementitious composites (ECC), recommended to strengthen and restore URM structures. In the present paper, the state-of-the-art knowledge development on applying geopolymers in URM structures is discussed. The discussion is focused on geopolymers and their components, material characterization, geopolymers as a strengthening and restoration material, and fiber-reinforced geopolymers and their application to URM structures. Based on this review, it was found that the mechanical properties of geopolymers are on par with that of OPC; however, there are few studies on the mentioned applications of geopolymers. The characterization of geopolymers’ mechanical and physical properties as a restoration material for URM structures is still limited. Therefore, other properties such as chemical interaction with the substrate, workability, thixotropic behavior, and aesthetic features of geopolymers need to be investigated for its wide application. The application method of geopolymer-based ECC as a strengthening material for a URM structure is by grouting injection. It is also worth recommending that other application techniques such as deep repointing, jacketing, and cement-plastering be explored." @default.
- W3211631431 created "2021-11-22" @default.
- W3211631431 creator A5020554410 @default.
- W3211631431 creator A5031264487 @default.
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- W3211631431 creator A5050939614 @default.
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- W3211631431 creator A5055373354 @default.
- W3211631431 creator A5085357894 @default.
- W3211631431 creator A5085358631 @default.
- W3211631431 creator A5085908092 @default.
- W3211631431 date "2021-11-11" @default.
- W3211631431 modified "2023-09-25" @default.
- W3211631431 title "Geopolymers as Sustainable Material for Strengthening and Restoring Unreinforced Masonry Structures: A Review" @default.
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