基于增量動力分析的砌體結構地震疏散仿真研究

Simulation Research on Earthquake Evacuation of Masonry Structures Basedon Incremental Dynamic Analysis，，，

關鍵詞：砌體結構；社會力模型；增量動力分析；所需逃生時間（RSET）；可用有效逃生時間（ASET）中圖分類號：TU362 文獻標志碼：A 文章編號：1005-8249（2024）01-0155-08DOI：10.19860/j.cnki.issn1005-8249.2024.01.027

DING Yao1，XU Ziqi2，LIANG Zhichao2，QIN Tianyi3 （1. Shaanxi Industrial Vocational and Technical College， Xianyang 712Ooo， China ； 2. Earthquake Administration of Henan Province， Zhengzhou 45Oo18， China；

3.Henan Provincial Institute of Transportation Science and Technology，Zhengzhou 45O015，China）

Abstract：Inordertostudtheevacuationabilityofpeopleinamasonrystructurebuildingunderearthquakeaction，atypicalmasony structureresidentialbuldinginChengzonvilgeofXi’ancityasselectedastheresearchbjectncrementaldnamicanalysis（IDA） wasusedtomodeltheresidentialbuilding withfiniteelementsoftware，and2Oseismicwaveswereinputfortimehistoryanalysis.DA curveclustersofachflorunderearthquakeactionwereotained.Findoutthecolapsetimeofachflorundertheactionof8degree basifotificationintesityarthquakeandareeartquake，whichistheASETandthecomparisonofthetwocanseethcasualtsof personel.Theresultsshowthatunder8degreeearthquake，theevacuationtimeis1Oslessthanthatunderrareearthquake，andthe RSETis 85s to95s.Tefistflooofmasonysucurecollpssfist，andthetofloorcollpeslast，withASEangingfrom8.7sto 10.89s.The ASETisfarlessthanRSET，does not mettheconditionsofsafeescape，theearthquake willcausealargenumberof casualties.

Keywords：masonry structure；Social force model；incremental dynamic analysis；RSET；ASET

0引言

西安市是陜西省的省會城市，根據(jù)2021年的相關統(tǒng)計數(shù)據(jù)，西安市三環(huán)內現(xiàn)有城中村292處。（剩余9070字）