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(香港何顯毅建筑工程師樓(中國)有限公司  深圳 518001)
【提要】  短肢剪力墻中長厚比小于等于5的墻肢設(shè)計是高層住宅設(shè)計中經(jīng)常遇到的問題。從墻體受力特征、SATWE軟件的計算結(jié)果的角度，闡述了軟件中墻肢受壓區(qū)端部鋼筋合力點到受壓區(qū)邊緣的距離aa的取值應(yīng)該因墻肢長厚比的不同而不同，以及用軟件中的相關(guān)工具箱進(jìn)行補
充計算的可行性，分析了計算程序中墻體豎向分布鋼筋配筋率對墻端范圍內(nèi)鋼筋面積的影響。最后給出了參數(shù)aa的建議取值。
【關(guān)鍵詞】  短肢剪力墻  參數(shù)aa  配筋率  長厚比
Design of Short Branch Shearwall with Different Ratios of Length to Thickness  in Shearwall Structur/Liu Huizhen,Chen Jiehou,Zhang Yuhong(Ho & Partners Architects & Engineers (China) Ltd.,Shenzhen 518001,China)
Abstract:In the highrise shearwall structure,the short branch wall,that the ratio of length to thickness is less than 5,is widely used.Based on the bearing characters and calculation results of SATWE software,the viewpoint that the factor aa should be verified with the different ratios of length to thickness of walls,and the feasibility of complement calculation using relative toolbox in the software is analyzed.The effect of reinforcement ratio of vertical distribution bars on the amount of bar in the end of the wall branch is discussed.The value of factor aa is suggested.
Keywords:short branch shearwall;factor aa;reinforcement ratio;ration of length to thickness;SATWE software