连拱式组合拱支护结构空间受力性能分析  

Spatial Bearing Behavior Analysis on Multi-arch and Built-up-arch Structure in Deep Foundation Pit Supporting Structure

作　　者：陈德文 戴国亮[2] 白永生[2] 龚维明[2] 

机构地区：[1]南京民用建筑设计研究院,210084 [2]东南大学土木工程学院,南京210096

出　　处：《建筑结构》2004年第5期66-68,共3页Building Structure

摘　　要：采用三维有限元软件 ,结合工程实例对混凝土连拱式组合拱支护结构的空间受力性能及其影响因素进行了分析。特别对大桩直径和肋板距离两个参数对该结构受力性能的影响进行了定量分析 。Combined with an actual engineering,two main parameters,the diameter of large pile and the distance of rib,are analyzed for bearing behaviors of multi-arch and built-up-arch structure in deep foundation pit supporting structure by 3-D FEM.The design suggestions on the basis of the results are put forward which can be of benefit to the designer.

关 键 词：连拱式组合拱 支护结构 空间受力 钻孔灌注桩 肋板 

分 类 号：TU399[建筑科学—结构工程] TU473.14