预应力型钢混凝土梁-钢管混凝土核心柱框架受力机理分析  

Mechanical Performance Analysis of Composite Frame Structure Composed of Prestressed Steel Reinforced Beam and Steel-tube Reinforced Concrete Column

作　　者：袁炳琨 王宏军 翟建恺 王琨[1,3] YUAN Bing-kun;WANG Hong-jun;ZHAI Jian-kai;WANG kun(College of Civil Science and Engineering,Yangzhou University,YangzhouJiangsu 225127China;Yangzhou Construction Safety Supervision Station,YangzhouJiangsu225009China;Jiangsu Hanjian Group Company Limited,YangzhouJiangsu225000 China)

机构地区：[1]扬州大学建筑科学与工程学院,江苏扬州225127 [2]扬州市建筑安全监察站,江苏扬州225009 [3]江苏邗建集团有限公司,江苏扬州225000

出　　处：《江苏建筑》2019年第5期28-31,46,共5页Jiangsu Construction

基　　金：江苏省“六大人才高峰”人才项目(2017-JZ-038);扬州大学优秀青年骨干教师资助(2016);国家自然科学基金项目(51878589);扬州市科技计划项目(YZ2018068);江苏省“双创计划(双创博士)”资助项目(2019)

摘　　要：在合理选择材料本构模型和单元类型的基础上,采用非线性分析软件ABAQUA,建立了预应力型钢混凝土梁-钢管混凝土核心柱框架的有限元模型,并与试验结果对比分析,结果表明,模拟结果与试验较为一致。随后,采用验证的有限元模型对此类组合框架在施加预应力、竖向荷载以及水平荷载下的全过程进行了细致的分析,考察了组合框架各组成部分的应力和应变分布规律,分析了组合框架的工作机理,其结果可为后继研究和工程实践提供理论依据。This paper proposed an infinite element model of frame structure composed of prestressed steel reinforced beam and steel-tube reinforced concrete column by nonlinear soft ABAQUS,based on resonable constitutive relation of meterials such as concrete,shaped-steel,steel tube and rebars as well as element type.The caculated results were compared with tests,and it indicated that the simulated results were agree well with tests.After that,the whole process under prestressing,vertical load and horizontal load were analysized by the verified infinite element model,and the mechanical mechanisms were studied by observed stress and strain distribution.The investigation of this paper could supply the theoretical foundation for the following research and engineering practice.

关 键 词：型钢混凝土梁 钢管混凝土核心柱 预应力 框架 受力机理 

分 类 号：TU378.4[建筑科学—结构工程]