A METHOD TO EVALUATE THE SEISMIC DAMAGE OF SHORT-LIMB SHEAR WALL STRUCTURE

摘要

#$%^&*AU2020101718A420200917.pdf#####ABSTRACT The invention discloses a method to evaluate the seismic damage of short-limb shear wall structure by employing finite element software to establish a calculation model, wherein wall body and floorslab adopt shell elements while connecting beams and secondary beams adopt beam elements, rebar defined into layers, embedded into component, and calculating natural vibration circular frequency of structure; calculating damage distribution of short-limb shear wall structure under translational resonance excitation by adopting concrete plastic-damage model, obtaining state when damage penetrates through all the wall sections by continuously increasing excitation amplitude to obtain basic failure mode, wherein the corresponding plastic energy consumption is the ultimate plastic energy consumption of structure; decomposing the seismic waves into wavelets with natural vibration frequency of structure as center, calculating plastic energy consumption requirement of each wavelet; judging safety of the structure, judging safe structure, calculating overall damage index of the structure to judge damage degree. 1DRAWINGS DAMAGET SNEG. (fractio r I k) 89,:-C1 1` I7.262 -01 -5,648e-0l +4.842:-0l +40:35 -Cl +2.421.-0l +1,614@-Cl +8 06F:-0l 40 000 40 isEG (facin Ii0 (Avg:75%) +5.648e-0l1: +1.642-Ol +8'Be29.-01 +0),L00,00 to FJG.2 1