有開口耐震壁の最大せん断力時におけるせん断変形

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  • 4) SHEARING DEFORMATION AT MAXIMUM SHEARING LOAD CONCERNING QUAKE RESISTING WALLS WITH VARIOUS OPENINGS
  • ユウカイコウ タイシンヘキ ノ サイダイ センダンリョクジ ニ オケル センダン ヘンケイ

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抄録

The author shows 10 figures of the relations between the shearing deformation and the rate of shearing force to maximum shearing load, concerning the author's 19 models and others, 22 models. From these figures, the following results are indicated. 1. If the opening factor [numerical formula] where h': inside height of the boundary frame l': inside length of the boundary frame h_0: height of the opening l_0: length of the opening of the quake resisting walls is not larger than 0.5, the relations shown in the figures are nearly equal to the relations in the case of ξ=0 (without opening). 2. When ξ&le;0.5, if the shearing deformation becomes about 4×10^<-3>, the shearing force reaches maximum, and some quake resisting walls show brittle collapse. 3. When ξ>0.5, the relations shown in the figures come near to the case of ξ=1 (frame only), and the shearing deformation at maximum shearing force increases with ξ. Remark: The author has reported the case without opening in Transactions of The Architectural Institute of Japan No. 69 Part I, Oct. 1961.

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