SIMULATION ANALYSIS ON THE MECHANIAL PROPERTIES OF HIGH STRENGTH ANGLE COMPRESSION MEMBERS ATTACHED ECCENTRICALLY AT BOTH ENDS IN THE SUB-STRUCTURE
The Q460 high-strength angle compression attached eccentrically at both ends in the substructure were numerically analyzed ,and the influences for the bearing capacity of high-strength angle are taken into account, which including not only the slenderness ratio and initial bending but also the residual stress and contact. The analysis shows that: members bend round connection leg, with twisting deformation taking place at same time. Effects of residual stress and contact on the bearing capacity are both less than 5％. The finite element analysis is compared with the experimental analysis and theoretical analysis. The results showed that: the finite element value is the largest ,which increased the experimental values, the United States Design of Latticed Steel Transmission Structures (ASCE101997) and Chinas Code for design of steel structures (GB50017-2003) respectively 1.13％ ~ 3.59％, 4.31％ ~ 31.41％, 12.4％ ~ 53.2％.The finite element analysis results and the experimental results were in good agreement. Therefore, the finite element analysis results are reliable .The Bearing Capacity for the angle in the simulation of sub-structure and in the single strut test were almost the same so the single strut test can intimate the actual project conditions accurately.Based on the numerical analysis, the formula(2) of stability coefficient is suggested to guide the engineering design .Therefore, the finite element analysis results can provide a theoretical basis for the design of Q460 highstrength angle.
high-strength angle eccentric compression buckling sub-structure finite element method
Su Rui Hao Jiping Zhang Tianguang Cao Xianlei Xue Zhennong Wang Ruxin
School of Civil Engineering, Xian University of Architecture and Technology, Xian 710055,China Henan Electric Power Survey and Design Institute, Zhengzhou 450007,China
国际会议
The Third International Conference on Modelling and Simulation(第三届国际建模、计算、仿真、优化及其应用学术会议 ICMS 2010)
无锡
英文
335-340
2010-06-04（万方平台首次上网日期，不代表论文的发表时间）