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STUDY ON THE DUCTILITY AND LIMIT VALUES OF AXIAL COMPRESSION RATIO FOR MODERATE-HIGH-RISE MULTI-RIBBED COMPOSITE WALL STRUCTURE
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摘要: 根据中高层密肋复合墙体结构的特点,提出了基于位移延性的设计方法。根据计算结果,分析了内墙板配混凝土率、内墙板纵向配筋率、边框柱截面高度及墙体高宽比对密肋复合墙体位移延性的影响,其中,配混凝土率、边框柱截面高度对位移延性的影响较大,纵向配筋率的影响较小。结合工程实际提出了中高层密肋复合墙体的轴压比限值,方便了该结构体系的工程应用。Abstract: Based on the properties of moderate-high-rise multi-bibbed composite wall structure,displacement ductility design method is investigated.It is analyzed that the effects of the concrete ratio and longitudinal steel ratio of internal slab,section depth of side frame column and the height-width ratio of wall on the displacement ductility of composite wall according to calculation results,the concrete ratio and section depth of side frame column have more influence on displacement ductility of structure and longitudinal steel ratio is little.Finally,reference to the practice,limit value of the axial compression ratio of composite wall is suggested,the result can be applied to the structure design.
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[2] 姚谦峰,陈平,张荫,等.密肋壁板轻框结构节能住宅体系研究.工业建筑,2003,33(1):1-5 DBJ/T51-43-2006 密肋壁板结构技术规程 [3] 姚谦峰,贾英杰.密肋壁板结构十二层1/3比例房屋模型抗震性能试验研究.土木工程学报,2004,37(6):1-10 [4] 袁泉,姚谦峰.密肋壁板轻框结构地震反应分析.工业建筑,2003,33(1):17-19 [5] 钱稼茹,吕文,方鄂华.基于位移延性的剪力墙抗震设计.建筑结构学报,1999,20(3):42-49. [6] 过镇海,时旭东.钢筋混凝土原理和分析.北京:清华大学出版社,2003:187-188 [7] GB 50010-2002 混凝土结构设计规范 -
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