混合梁斜拉桥钢-混结合段PBL键数值分析  

Numerical Analysis of PBL Shear Bond in Steel Concrete Composite Section of Hybrid Girder Cable Stayed Bridge

作　　者：张龙 方志[2] 阳先全[3] 贺绍华 ZHANG Long;FANG Zhi;YANG Xianquan;HE Shaohua(Hunan Provincial Communications Planning,Survey&Design Institute CO.,LTD,Changsha,Hunan 410008,China;College of Civil Engineering,Hunan University,Changsha,Hunan 410082,China;CCCC Second Highway Consultants Co.,Ltd.,Wuhan,Hubei 430052,China;School of Civil and Transportation Engineering,Guangdong University of Technology,Guangzhou,Guangdong 510006,China)

机构地区：[1]湖南省交通规划勘察设计院有限公司,湖南长沙410008 [2]湖南大学土木工程学院,湖南长沙410082 [3]中交第二公路勘察设计研究院有限公司,湖北武汉430052 [4]广东工业大学土木与交通工程学院,广东广州510006

出　　处：《公路工程》2021年第3期19-25,共7页Highway Engineering

基　　金：国家自然科学基金项目(51278182)。

摘　　要：基于8组PBL键试件试验结果,采用ANSYS有限元方法进行数值分析,研究PBL键荷载-滑移、静力学特性及传力机理,并将计算结果和试验进行对比,结果表明:计算结果与试验值吻合较好,在不具备试验条件下,可采用本文数值分析方法确定PBL键的静力学特性,为钢-混结合段PBL键的理论研究和设计分析提供参考。Based on the test results of 8 groups of PBL shear key specimens,the ANSYS finite element method is used for numerical analysis,The load slip,static characteristics and force transfer mechanism of PBL bond are studied,and the calculated results are compared with the experimental results.The results show that the calculated results are in good agreement with the experimental data,In the absence of test conditions,The static properties of PBL bond can be determined by the numerical analysis method,It provides a reference for the theoretical research and design analysis of PBL bond in steel-concrete bonding section.

关 键 词：桥梁工程 混合梁斜拉桥 钢-混结合段 试验研究 数值分析 PBL 剪力键 RPC 

分 类 号：U448.27[建筑科学—桥梁与隧道工程]