预应力吊拉多层外挑结构施工技术  

CONSTRUCTION TECHNIQUE OF PRESTRESS SUSPENSION MULTILAYER CANTILEVER STRUCTURE

作　　者：邹科华[1] 

机构地区：[1]江苏南通六建建设集团有限公司,江苏如皋226500

出　　处：《建筑技术》2009年第9期786-790,共5页Architecture Technology

摘　　要：江苏省科学历史文化中心工程预应力吊拉多层外挑结构施工中,利用大型通用有限元软件ANSYS建立该结构及优化的关键节点有限元模型。在此基础上,采用合理的施工流程、张拉时机、测控方法、张拉控制应力、预应力损失和理论伸长值,为施工提供依据,社会经济效益良好。In construction of prestress suspension muhilayer cantilever structure ol science, History anu Culture Center in Jiangsu Province, general-purpose finite element software ANSYS is adopted to establish the structure and optimized key node finite round model. On this basis, appropriate methods are adopted to deter- mine values of construction flow, stretching opportunity, control method, stretching control stress, prestress loss and theoretical expansion, so as to provide basis for construction. In this way, favorable socioeconomic perfor- mance has been achieved.

关 键 词：体外管内预应力 吊拉结构 悬挑梁 

分 类 号：TU757.4[建筑科学—建筑技术科学]