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ID:36566032
大小:5.55 MB
页数:98页
时间:2019-05-12
《释能法加固拱桥内力重分配研究》由会员上传分享,免费在线阅读,更多相关内容在学术论文-天天文库。
1、分类号坐箜:!±!密级㈣㈣㈣㈣if
2、JY15268a芝。单位代码10618学号106260287墨麽交通戈肇硕士学位论文论文题目:释能法加固拱桥内力重分配研究AStIldyOnInternalForceRedistributionofReinforcementArchBridgewithReleasingEnergyMethod研究生姓名:章鹏导师姓名、职称:蒙云教授申请学位门类工学专业名称:桥梁与隧道工程论文答辩日期:二oo九年四月七日学位授予单位:重庆交通大学答辩委员会主席:张太雄教授级高工评阅人;张太雄
3、教授级高工二00九年四月张雪松副教授ABSTRACTBasedonfindingmuchinformation,thecurrentmainreinforcementmethodsofbridgereinforcementanditsscopeofapplicationareintroduced,aimatthearchbridgeindetail.NextintroducedthebasicprinciplesofERmethodreinforcearchbridge.Comparedtheadvantag
4、eofERmethodreinforcedarchbridgeandothertraditionalarchreinforcementmethods.Theresearchbackground,researchtools,aswellasresearchpurposesofthetopicareexpounded.ThebasicprincipleofERmethodreinforcedarchbridgeistotransformthestructuralofbridge,transformthenohin
5、gestructuretoflathinge.neauthorfocusesonthestructuralmechanicsandcalculationmodelofERreinforcearchbridge.Andanalyzedthesuperpositionmodeloftemperaturecalculation.InthecourseofresearchERmethodreinforcedarchbridge,experiencedfromasingleERmethodreinforcedarchb
6、ridgetothecombinationofERmethodandincreasingcross-sectionofcompositemethod,especiallywithregardtotheoriginaldesignloadlowerlevel.Needtoincreasethecarryingcapacityoftherelativelylargerangeofoldbridge,compositemethodprovidesagoodsolution.However,canbere-distr
7、ibutedofinternalforcesaftercompositemethodappliancetheprincipleofERmethod.Ⅵmetherornotafterthere—distributionofinternalforcescanenhancethecapacityofbridge.Throughcalculationandanalysisinthispaper,comparedandanalysisthecross—section’Ssituationofinternalforce
8、sre-distributebeforeandafterthereinforcementunderthesameloadstandard.Comparedtheforcestatusofbeforeandafterreinforcement,analysisitsinternalforcewhetherornotchanged.Atthesametimetestthewholeprocessoftest.Collectdatebytestmeasureofthissubject,analysisthedate
9、,reflectedtruththeprocessofredistributionofinternalforces.Summingupthelawsofredistributionofinternalforces.Bycomparingthecalculatedresultsandexperimentaldatetoprovetheconsistentofcalculationmodelandtes
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