轻钢龙骨玻化微珠保温砂浆墙体抗震性能试验研究_郁琦桐.docx

第32卷第3期Vol.32No.3工程力学

2015年3月Mar.2015ENGINEERINGMECHANICS151

文章编号：1000-4750(2015)03-0151-07

轻钢龙骨玻化微珠保温砂浆墙体

抗震性能试验研究

郁琦桐1,2，潘鹏1，苏宇坤1

(1.清华大学土木工程安全与耐久教育部重点试验室，北京100084；2.同济大学土木工程学院建筑工程系，上海200092)

摘要：研究一种适用于村镇多层住宅的新型轻钢龙骨玻化微珠保温砂浆墙体。为研究此墙体的抗震性能，制作

了3个缩尺比例为1∶1.25的试件。通过拟静力往复加载试验研究其破坏模式，根据试验获得的滞回曲线考察其

承载力、延性、耗能能力及刚度退化等抗震性能。试验结果表明：墙体在层间位移角1/1000时仍保持弹性，在层

间位移角1/100时承载力未出现明显下降；墙体的破坏模式表现为剪切破坏，但由于周边钢结构的约束效果仍然

具有较好的延性和耗能能力。提出该墙体简化水平承载力计算公式，计算值与试验值的误差小于10%。

关键词：轻钢龙骨；玻化微珠保温砂浆；拟静力试验；滞回曲线；抗震性能

中图分类号：TU391文献标志码：Adoi:10.6052/j.issn.1000-4750.2013.10.0909

EXPERIMENTALSTUDYONSEISMICBEHAVIOROFLIGHT-GAUGE

STEELWALLFILLEDWITHGLAZEDHOLLOWBEADMORTAR

YUQi-tong1,2,PANPeng1,SUYu-kun1

(1.KeyLaboratoryofCivilEngineeringSafetyandDurabilityofChinaEducationMinistry,TsinghuaUniversity,Beijing100084,China;

2.DepartmentofBuildingEngineering,SchoolofCivilEngineering,TongjiUniversity,Shanghai200092,China)

Abstract:Anewtypeoflight-gaugesteelwallfilledwithglazedhollowbeadmortarisproposedformulti-story

buildingsinruralarea.Toinvestigatetheseismicbehaviorofthewall,three1:1.25scaledspecimensweretested

usingcyclicquasi-staticloadingscheme.Thefailuremodeofthosewallswasinvestigated.Thestrength,ductility,

energydissipationcapacityandstiffnessdegradationbehaviorwereobtainedfromthehystereticcurves.Thetest

resultsindicatethatthestructureremainelasticwhenthestorydriftangleisnomorethan1/1000,andthestrength

doesnotsignificantlydecreasewhenthestorydriftanglereaches1/100.Thefailuremodeisshowntobeashear

failure;however,relativelygoodductilityandenergydissipationcapacitywereobservedduetotherestrainteffect

ofthesurroundingsteelelements.Simplifiedequationswereproposedtoestimatethestrengthofthewalls,and

goodagreementwithanerrornomorethan10%wasachievedbetweenthestrengthestimatedbytheequations