日本建築学会構造系論文集
Online ISSN : 1881-8153
Print ISSN : 1340-4202
ISSN-L : 1340-4202
連層耐震壁を模擬した壁柱の曲げ降伏後のスリップ挙動評価
徐 霖日比野 陽勅使川原 正臣伴 幸雄梅野 達三
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2010 年 75 巻 649 号 p. 617-623

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The slip behavior which damage concrete and deteriorate the performance of strength and ductility can be yielded on multi-story shear wall (MSSW) after flexural yielding under cyclic loading. This paper studied the mechanism of slip behavior on MSSW under cyclic loading after the flexural yielding by conducting experimental tests using column-shaped wall. Five specimens which were scaled models of 7-story MSSW were designed preceding flexural yielding. The parameters of specimens are axial load and arrangement of bond character of the main bars at the bottom of wall. The test results show that (1) in case that the axial force is zero, the slip behavior after the flexural yielding was occurred easily, (2) the result that the slip behavior after the flexural yielding can be controlled by increasing the axial load was verified, (3) the effectiveness of steel cylinders for stopping (controlling) slip behavior is also verified, (4) a method to estimate the stiffness and displacement on the slip behavior were presented; however, crushing of concrete at the bottom of wall should be considered by reinforcing.

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