Lightweight and ultra-high ductility engineered geopolymer composite for marine application: Design and material characterization
This study focused on revealing the effects of the key design parameters including GGBS content, fiber content, and heating curing time on the mechanical properties of lightweight and ultra-high ductility engineered geopolymer composite (EGC) through the Taguchi method and proposed the optimal level...
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| Format: | Article |
| Language: | English |
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Elsevier
2025-07-01
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| Series: | Case Studies in Construction Materials |
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| Online Access: | http://www.sciencedirect.com/science/article/pii/S2214509525006552 |
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| author | Jun Li Lingzhi Li Lei Su Mahfouz Ahmadi Iftikhor Kalandarbekov Kequan Yu Fei Wang |
| author_facet | Jun Li Lingzhi Li Lei Su Mahfouz Ahmadi Iftikhor Kalandarbekov Kequan Yu Fei Wang |
| author_sort | Jun Li |
| collection | DOAJ |
| description | This study focused on revealing the effects of the key design parameters including GGBS content, fiber content, and heating curing time on the mechanical properties of lightweight and ultra-high ductility engineered geopolymer composite (EGC) through the Taguchi method and proposed the optimal level. A total of 9 sets of mixtures were tested according to the L9 array with 3 factors and 3 levels by performing compressive and uniaxial tensile tests. In addition, XRD and TG techniques were employed to reveal the underlying mechanisms. The results indicated that GGBS content was the most important factor affecting the mechanical properties with the optimal GGBS content of 0.7. Fiber content and heating curing time had a slight effect. Remarkably, a low fiber content of only 0.8 %, decreasing by 60 % compared to the traditional 2 %, could achieve an ultra-high ductility of above 9 %. Based on mechanical properties, cost and energy consumption, the optimal fiber content and heating curing time were 0.8 % and 1d. A decrease in GGBS content reduced the quantity of geopolymerization products of C(N)-A-S-H gels, which compromised the matrix compactness but favored the multiple cracks and high ductility. The heating curing time had a negligible effect on the geopolymerization reaction. The current findings can facilitate the optimal design of EGC towards lightweight and high performance, promoting its application in marine engineering. |
| format | Article |
| id | doaj-art-e0099bdaea0c4d9fae5d467da3793112 |
| institution | DOAJ |
| issn | 2214-5095 |
| language | English |
| publishDate | 2025-07-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Case Studies in Construction Materials |
| spelling | doaj-art-e0099bdaea0c4d9fae5d467da37931122025-08-20T03:07:20ZengElsevierCase Studies in Construction Materials2214-50952025-07-0122e0485710.1016/j.cscm.2025.e04857Lightweight and ultra-high ductility engineered geopolymer composite for marine application: Design and material characterizationJun Li0Lingzhi Li1Lei Su2Mahfouz Ahmadi3Iftikhor Kalandarbekov4Kequan Yu5Fei Wang6College of Civil Engineering, Tongji University, 200092, China; Shanghai New Century Construction Engineering Technology Company, 200439, ChinaCollege of Civil Engineering, Tongji University, 200092, ChinaCollege of Civil Engineering, Tongji University, 200092, China; Corresponding authors.National Research University” Tashkent Institute of irrigation and agricultural mechanization engineers, Tashkent 100000, UzbekistanTajik technical University named after academician M.S.Osimi, Academics Rajabovs, 734042, TajikistanCollege of Civil Engineering, Tongji University, 200092, ChinaCollege of Civil Engineering, Tongji University, 200092, China; Corresponding authors.This study focused on revealing the effects of the key design parameters including GGBS content, fiber content, and heating curing time on the mechanical properties of lightweight and ultra-high ductility engineered geopolymer composite (EGC) through the Taguchi method and proposed the optimal level. A total of 9 sets of mixtures were tested according to the L9 array with 3 factors and 3 levels by performing compressive and uniaxial tensile tests. In addition, XRD and TG techniques were employed to reveal the underlying mechanisms. The results indicated that GGBS content was the most important factor affecting the mechanical properties with the optimal GGBS content of 0.7. Fiber content and heating curing time had a slight effect. Remarkably, a low fiber content of only 0.8 %, decreasing by 60 % compared to the traditional 2 %, could achieve an ultra-high ductility of above 9 %. Based on mechanical properties, cost and energy consumption, the optimal fiber content and heating curing time were 0.8 % and 1d. A decrease in GGBS content reduced the quantity of geopolymerization products of C(N)-A-S-H gels, which compromised the matrix compactness but favored the multiple cracks and high ductility. The heating curing time had a negligible effect on the geopolymerization reaction. The current findings can facilitate the optimal design of EGC towards lightweight and high performance, promoting its application in marine engineering.http://www.sciencedirect.com/science/article/pii/S2214509525006552Engineered geopolymer compositeLightweight and ultra-high ductilityCuring regimesFiber dosageTaguchi method |
| spellingShingle | Jun Li Lingzhi Li Lei Su Mahfouz Ahmadi Iftikhor Kalandarbekov Kequan Yu Fei Wang Lightweight and ultra-high ductility engineered geopolymer composite for marine application: Design and material characterization Case Studies in Construction Materials Engineered geopolymer composite Lightweight and ultra-high ductility Curing regimes Fiber dosage Taguchi method |
| title | Lightweight and ultra-high ductility engineered geopolymer composite for marine application: Design and material characterization |
| title_full | Lightweight and ultra-high ductility engineered geopolymer composite for marine application: Design and material characterization |
| title_fullStr | Lightweight and ultra-high ductility engineered geopolymer composite for marine application: Design and material characterization |
| title_full_unstemmed | Lightweight and ultra-high ductility engineered geopolymer composite for marine application: Design and material characterization |
| title_short | Lightweight and ultra-high ductility engineered geopolymer composite for marine application: Design and material characterization |
| title_sort | lightweight and ultra high ductility engineered geopolymer composite for marine application design and material characterization |
| topic | Engineered geopolymer composite Lightweight and ultra-high ductility Curing regimes Fiber dosage Taguchi method |
| url | http://www.sciencedirect.com/science/article/pii/S2214509525006552 |
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