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An Experimental Study on the Seismic Performance of a Precast Concrete Shear Wall with After-Pouring Part of '凹' Type Horizontal Flat-Fell Seam

机译:“凹”型水平平缝后浇部分预制混凝土剪力墙抗震性能试验研究

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To evaluate the seismic performance of a new type of precast concrete (NPC) shear wall with reserved after-pouring part of "凹" type horizontal flat-fell seam, three full scale specimens including one piece of cast-in-place shear wall and two pieces of NPC shear walls were tested and compared under low-cyclic reversed loading with axial compression ratio of 0.1. A systematic analysis was made on hysteretic curves, skeleton curves, stiffness, bearing capacity, ductility, and energy dissipation capacity, etc. The test results indicated that the damage of the NPC shear walls not only occurred at the bottom but also at the upper horizontal seam, and this was slightly different from the cast-in-place shear wall specimen that mainly at the bottom. However, the whole failure process, carrying capacity, ductility, and seismic energy dissipation capacity of the NPC shear walls were basically similar to the cast-in-place shear wall specimen.
机译:为了评估新型预制混凝土(NPC)剪力墙的抗震性能,该剪力墙预留了“凹”型水平平缝的后浇部分,三个完整尺寸的标本包括一块现浇剪力墙和测试了两块NPC剪力墙,并在轴向压缩比为0.1的低周反向载荷下进行了比较。对滞后曲线,骨架曲线,刚度,承载力,延性和能量耗散能力等进行了系统分析。测试结果表明,NPC剪力墙的破坏不仅发生在底部,也发生在上部水平。缝,这与主要在底部的现浇剪力墙试样略有不同。但是,NPC剪力墙的整个破坏过程,承载力,延性和地震能量消散能力基本上与现浇剪力墙试样相似。

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