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- Scopus: eid_2-s2.0-85123722039
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Article: Quantitative Effects of Mixture Parameters on Alkali-Activated Binder-Based Ultra-High Strength Concrete at Ambient and Elevated Temperatures
Title | Quantitative Effects of Mixture Parameters on Alkali-Activated Binder-Based Ultra-High Strength Concrete at Ambient and Elevated Temperatures |
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Authors | |
Issue Date | 2022 |
Citation | Journal of Advanced Concrete Technology, 2022, v. 20, n. 1, p. 1-17 How to Cite? |
Abstract | This work investigates the effects of mixture parameters on the slump flow and compressive strength of a new type of alkali-activated binder-based ultra-high strength concrete (AAB-UHSC) before and after exposure to high temperatures. The innovative UHSC adopts a combination of sodium silicate (SS) and potassium carbonate (PC) as the activator. Compared with the alkali hydroxide that is currently used in existing AAB-UHSC, alkali carbonate salts are environmental- and user-friendly and cost-effective. Four mixture proportioning parameters, including water/precursor ratio, activator/precursor ratio, silica fume (SF) replacement percentage, and SS/PC ratio, are evaluated regarding their quantitative effects on fresh and hardened properties of AAB-UHSC using Taguchi method. The analysis of variance (ANOVA) reveals that the activator/precursor ratio is the decisive parameter controlling the slump flow diameter of fresh AAB-UHSC, whereas all four parameters have considerable influence on compressive strength of AAB-UHSC at room temperature. Although increasing the activator/precursor ratio increases compressive strength of AAB-UHSC at room temperature, it is adverse for residual strength of AAB-UHSC after exposure to high temperatures. Based on the test results and ANOVA, a mixture proportioning method of AAB-UHSC, which is lacking in existing literatures, is proposed and experimentally validated. |
Persistent Identifier | http://hdl.handle.net/10722/329774 |
ISSN | 2023 Impact Factor: 1.6 2023 SCImago Journal Rankings: 0.611 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Liu, Jin Cheng | - |
dc.contributor.author | Chen, Zhijian | - |
dc.contributor.author | Cai, Rongjin | - |
dc.contributor.author | Ye, Hailong | - |
dc.date.accessioned | 2023-08-09T03:35:14Z | - |
dc.date.available | 2023-08-09T03:35:14Z | - |
dc.date.issued | 2022 | - |
dc.identifier.citation | Journal of Advanced Concrete Technology, 2022, v. 20, n. 1, p. 1-17 | - |
dc.identifier.issn | 1346-8014 | - |
dc.identifier.uri | http://hdl.handle.net/10722/329774 | - |
dc.description.abstract | This work investigates the effects of mixture parameters on the slump flow and compressive strength of a new type of alkali-activated binder-based ultra-high strength concrete (AAB-UHSC) before and after exposure to high temperatures. The innovative UHSC adopts a combination of sodium silicate (SS) and potassium carbonate (PC) as the activator. Compared with the alkali hydroxide that is currently used in existing AAB-UHSC, alkali carbonate salts are environmental- and user-friendly and cost-effective. Four mixture proportioning parameters, including water/precursor ratio, activator/precursor ratio, silica fume (SF) replacement percentage, and SS/PC ratio, are evaluated regarding their quantitative effects on fresh and hardened properties of AAB-UHSC using Taguchi method. The analysis of variance (ANOVA) reveals that the activator/precursor ratio is the decisive parameter controlling the slump flow diameter of fresh AAB-UHSC, whereas all four parameters have considerable influence on compressive strength of AAB-UHSC at room temperature. Although increasing the activator/precursor ratio increases compressive strength of AAB-UHSC at room temperature, it is adverse for residual strength of AAB-UHSC after exposure to high temperatures. Based on the test results and ANOVA, a mixture proportioning method of AAB-UHSC, which is lacking in existing literatures, is proposed and experimentally validated. | - |
dc.language | eng | - |
dc.relation.ispartof | Journal of Advanced Concrete Technology | - |
dc.title | Quantitative Effects of Mixture Parameters on Alkali-Activated Binder-Based Ultra-High Strength Concrete at Ambient and Elevated Temperatures | - |
dc.type | Article | - |
dc.description.nature | link_to_subscribed_fulltext | - |
dc.identifier.doi | 10.3151/jact.20.1 | - |
dc.identifier.scopus | eid_2-s2.0-85123722039 | - |
dc.identifier.volume | 20 | - |
dc.identifier.issue | 1 | - |
dc.identifier.spage | 1 | - |
dc.identifier.epage | 17 | - |
dc.identifier.isi | WOS:000748736400001 | - |