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（湖南大學(xué)結(jié)構(gòu)工程研究所  長(zhǎng)沙 410082）
【提要】  采用夾層板理論推導(dǎo)了鋼筋混凝土箱形空心板柱中節(jié)點(diǎn)在豎向剪力作用下的抗沖切承載力計(jì)算公式，分析了影響箱形空心板抗沖切的主要影響因素；與國(guó)內(nèi)外的有關(guān)數(shù)據(jù)比較表明，計(jì)算公式具有較高的精度，可以在實(shí)際工程中應(yīng)用。
【關(guān)鍵詞】  空心板  夾層板  中柱節(jié)點(diǎn)  沖切
Calculation of Punching Strength for Openweb Reinforced Concrete Slabcolumn Connection Casting in Place/Liu Chunyan，Tu Wenge，Zou Yinsheng（Institute of Structural Eng.，Hunan Univ.，Changsha 410082，China）
Abstract:By adopting sandwich plate theory，the formula to calculate the punching capacity of reinforced concrete slabcolumn connections with vertical shear action is deduced，and the main factors which effect punching capacity of openweb plate are analyzed.Comparing with domestic and foreign data，it is shown that the formula has better precision and can be used in actural engineering.
Keywords:openweb plate；sandwich plate；connection of middle column；punching shear