探析剪力墙结构抗震非线性有限元分析方法的研究及其应用

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1、湖南大学硕士学位论文剪力墙结构抗震非线性有限元分析方法的研究及其应用姓名：黄立忠申请学位级别：硕士专业：结构工程指导教师：汪梦甫20030612攘要骛力臻臻掏豹婺线瞧分揆方法圭鬻育静歹j法、动力时程分析弦军l铡箍分攒方法(帮Push。over分撰方法)。本文瘸缀鼹甍谦无搂登对豢竖缝裁缝葵力壤魏秀澳剪力壤韵撬鼷瞧篷逡褥了分错。本文懿主要淘容有以下凡个方瑟：(1)阐述了剪力墙结；{勾非线性肖限元分析的基本理论，编制了静力非线性分接懿Fortran稷廖；程序灏可囊幢通过矮溶许雾与试黢襞慕泌瓣魄灏默验{歪，势瘸该程序分轿了带竖缝耗能翦力墙，探讨了耗畿翦力墙结构的逐粱合理高度闷题。(

2、2)溺涟了菲线往有鞭元动力辩猩分橱瀚基本瓣论，编制了菲线性有限元动力时程分专厅躺耀孝，对联个‘}‘屡，}灞赞力墙搂型进行了分辑怼魄。(3)对开祸势力墙避行了Push．over分辑，通遗与动力辩程分析结采润对比，论证了剪力燃结构Push．over分析的可嚣性。针对Push-ovcT分析#p硪定尽标位穆鲢复杂链，提蹬了一~砖篱诧分柝方法。该简化方法咸镌l戏畜壤元攥鹫代替宏溅茔元横塑，莠减少了鸯黢元秘力霹疆分掇蕊谤嚣建。关键词：带蹩缝耗能剪力墙，开洞剪力墙，非线饿裔限元分析，碘力时程分柝，Push-over分耩，嚣栋位穆AbstractThenonlinearanalysisof

3、reingorcedconcreteshearwallsincludesstaticanalysismethod，time—historyanalysismethodandPush—overanalysismethod．Inthisdissertation，theresponseofreinforcedconcreteslitshearwallsundercyclicloadingandreinforcedconcreteshearwallswithlargeorsmallopeningholesisinvestigatedbyusingnonlinearfiniteele

4、mentanalysismethod．Themainworkcarriedoutgoesasfollows：(1)TheprincipaltheoryofnonlinearfiniteelementanalysiswasexpatiatedandacomputerprogramwasdevelopedwithFORTRANPowerststion．ThereliabilityoftheFORTRANprogramwasprovedbycomparingcomputedresultswithexperimentalresults，besides，byusingthisprog

5、ram，theappropriatelengthofshearconnectionsofslitshearwallswasinvestigated．(2)Themainprincipleoftime—historyanalysistheorywasexpoundedinthedissertationandarelevantprogramwasdevelopedwhichisusedinanalysisoftWOten-layershearwallsmodelswithopeninghole．(3)Theanalysistotheshearwallswithopeningho

6、leswascarriedOutbyusingpush·overanalysismethod，BycomparingthecalculationresultofPush+overmethodwiththeresultoftime-historyanalysis，thereliabilityofpush—overanalysisofshearwailswasproved．Meanwhile，asimplifiedmethodoftheroofdisplacementcalculationWaSpresented．Byusingthisanalysismethod，thequa

7、ntumCallbereducedandthecalculationmodelscallbereplacedbyfiniteelementmodel。Keywords：slitshearwall，shearwallwithopeningholes，nonlinearfiniteelementanalysis,time-historyanalysis,push-overanalysis，targetdisplacementH1．1引言第一章绪论高层建筑是近代经济发展和科学技术进步的产物，是商业化、工业化和城市化的结果