碟簧式自复位防屈曲支撑滞回性能数值模拟

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中图分类号：TU352.11；TB115.2 文献标志码：B

Numerical simulation hysteretic performance disc spring self-centering system buckling-restrained brace

ZHANG Cheng WANG Dunqiang

Abstract： In order to study the hysteretic performance the disc spring self-centering system bucklingrestrained brace（SC-BRB），the finite element simulation is analyzed by using Abaqus，and the hysteretic performance the support is carried out.The accuracy the finite element model is verified by referring to the relevant experiments and theoretical analysis models. The results show that the hysteretic curve SC-BRB presents a significant“flag”characteristic and has good restoring efect，and the higher initial preload the disc spring，the more effective resetting action the support.

Key words： self-centering system； buckling-restrained brace； hysteretic performance； numericasimulation；Abaqus；finite element model

0引言

防屈曲支撑（buckling-restrainedbrace，BRB）在中大震作用下会产生较大的残余变形，加大建筑物的震后修复难度和成本[1]。（剩余4919字）