A connection node for horizontal joints in prefabricated ultra-high-performance concrete(UHPC)hollow shear walls was proposed.The prefabricated UHPC hollow shear wall specimen with horizontal joint joints and the cast-in-place UHPC hollow shear wall specimen of the same size were tested by pseudo-static tests to study the failure mode and mechanical mechanism,and to analyze and compare.The results show that the lateral stiffness and yield load of the pre-fabricated UHPC shear wall specimens connected with grouted U-shaped bars are basically the same as those of the cast-in-place shear wall specimens,but the ultimate load and failure state of the two specimens are different due to the exist-ence of horizontal joints.The hysteresis curves of both are relatively full,and the trend of the skeleton curve is basically consistent.In the practical engineering application of grouting U-bar connected prefabricated UHPC hollow shear wall,the design can be equivalent to that of cast-in-place UHPC hollow shear wall of the same size.
horizontal jointUHPCprefabricated hollow shear wallquasi-static test
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