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废旧轮胎超高性能混凝土抗弯性能试验研究

Research on the Flexural Behavior of Waste Tire Ultra-high Performance Concrete
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摘要 传统超高性能混凝土包含大量水泥和钢纤维,其生产过程会产生较高的碳足迹。为减小碳足迹,文中利用废旧轮胎的橡胶及钢纤维分别作为部分细骨料和增强纤维,以矿渣-粉煤灰替代水泥,提出了废旧轮胎超高性能混凝土(T-UHPC),对含有不同橡胶粉末替代率的T-UHPC进行抗压和抗弯试验,分析了橡胶粉含量对抗压和抗弯性能指标的影响规律。 Due to the fact that traditional Ultra-high performance concrete contains a large amount of cement and steel fibers,its production process will generate a high carbon footprint.In order to reduce the carbon footprint of UHPC,Waste Tire UHPC(T-UHPC)was proposed by comprehensively utilizing the rubber and steel fibers crushed from waste tires as part of the fine aggregate and reinforcement fibers,and replacing cement with slag-fly ash based geopolymer.Compressive and flexural tests were conducted on T-UHPC containing different crumb rubber replacement ratios,and the effects of crumb rubber content on compressive and flexural performance indicators were analyzed.
作者 乃比·肉孜 Naibi·Rouzi(School of Civil and Transportation Engineering,Guangdong University of Technology,Guangzhou,Guangdong 510006)
出处 《江西建材》 2024年第5期22-25,共4页
关键词 工程材料 抗弯性能 废旧轮胎超高性能混凝土 地质聚合物 荷载-挠度曲 Engineering material Flexural behavior Waste tire ultra-high performance concrete Geopolymer Load-deflection curve
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