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A High-Temperature-Resistant Inorganic Matrix For Concrete Structures Enhanced By Fiber-Reinforced Polymer, Jing Zhu, Wenzhong Zheng, Lili Xie, Lesley Sneed
A High-Temperature-Resistant Inorganic Matrix For Concrete Structures Enhanced By Fiber-Reinforced Polymer, Jing Zhu, Wenzhong Zheng, Lili Xie, Lesley Sneed
Civil, Architectural and Environmental Engineering Faculty Research & Creative Works
This paper probed deep into a high-temperature resistant inorganic matrix: alkali-activated slag cement (AASC), which is a kind of cementitious material prepared by alkali-activator and pozzolanic or latent hydraulic material. Firstly, the mix ratio of the AASC was optimized to improve the wettability and mechanical properties. Then, the effects of the adhesive matrix and the type of fiber-reinforced polymer (FRP) were observed through FRP-to-concrete bond tests on 93 specimens. The test results, coupled with anchorage analysis, indicate that the AASC has comparable reinforcing effects as those of organic epoxy matrix; the anchorage length of FRP sheets has a significant influence …