Dynamic interfacial bond behaviour between basalt fiber reinforced polymer sheets and concrete
Date
2020
Authors
Yuan, C.
Chen, W.
Pham, T.M.
Hao, H.
Cui, J.
Shi, Y.
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International Journal of Solids and Structures, 2020; 202:587-604
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Abstract
An experimental investigation on the dynamic interfacial bond behaviour between basalt fibre (BFRP) sheets and concrete under different loading speeds (i.e. 8.33E−6 m/s, 0.1 m/s, 1 m/s, 3 m/s, 5 m/s, and 8 m/s) by using single-lap shear tests was carried out in this study. Experimental results including bond strength, strain time histories, strain distributions in the bonding areas, interfacial fracture energy, and bond-slip curves are presented in this study. The test results show that the interface is strain rate dependent. The interfacial fracture energy, bond strength, and interfacial bond shear stress-slip are sensitive to strain rate. Empirical bond-slip model including strain rate effect are established for the predictions of bond properties between BFRP sheets and concrete under dynamic loading.
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Copyright 2020 Elsevier