成都双流国际机场T2航站楼钢结构屋盖相贯节点极限承载力分析  

Ultimate strength analysis on simple joints of the steel roof structure of Chengdu Shuangliu International Airport T2 Terminal Building

作　　者：李常虹[1] 陈志强[1] 肖克艰[1] 邓开国[1] 冯远[1] 

机构地区：[1]中国建筑西南设计研究院有限公司,成都610081

出　　处：《建筑结构》2010年第9期20-22,26,共4页Building Structure

摘　　要：采用ANSYS软件对成都双流国际机场T2航站楼钢结构屋盖相贯节点进行了分析,通过与真实试验的对比验证了数值分析方法,确立边界条件及网格划分精度,进而对节点的力学性能进行模拟分析,通过计算节点轴向力与轴向位移的关系曲线,评价节点刚度是否与杆件的轴向刚度相匹配;在广泛的文献调研的基础上,确定了极限承载力评判标准及方法,并最终得到节点的承载力及骨架曲线,对节点的力学性能进行了评判。Comparing the results of ANSYS with experiment results,the boundary conditions and meshing size were determined,FEM analysis model was established and verified for simple joints of the steel roof structure of Chengdu Shuangliu International Airport T2 Terminal Building.Through the computation of the relationship curve between axial force and its displacement,it was proved that the axial stiffness of the simple joints was large than that of steel member.Based on extensive investigations,the standard and method for the ultimate strength of simple joints were determined,and the skeleton curves were also got and used to appraise the mechanical behavior of simple joints.

关 键 词：相贯节点 极限承载力 骨架曲线 

分 类 号：TU323.4[建筑科学—结构工程]