既有工业建筑的可靠性鉴定与加固及病害分析与处理研究

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1、西安建筑科技大学硕士学位论文既有工业建筑的可靠性鉴定与加固及病害分析与处理研究姓名：梁雨多申请学位级别：硕士专业：结构工程指导教师：郑山锁20031010粱雨多：既有工业建筑的可靠睦鉴定与加固及病害分析与处理研究StudyontheReliabilityAppraisalandReinforcementandDefactAnalysisandMeasuretoRemedyofExistingHeavyFactoryBuildingsSpeciality：S自mc咖lEngineeringName：LiangYuduoSupervisor：ZhengShansuoAbstrac

2、tBasedonpracticalprojectofinspecting，appraisingandreinforcingamainheavyfactorybuilding，especiallyitssteelcranegirdersystem,oftheSecorldSteelMillbelongingtoTaiyuanSteel＆IronCorporation,whosetechnologyrenovationleadstoincreasetonnageofmanyheavycrallesandvel．ficaIloadofframe-bentstructure，Firs

3、tthes廿o．ctureanditsmemberswereinvestigated,inspected,calculatedandanalyzed，andtheirreliabilitywasappraisedrespectivelyandthestrengtheningprojeXXSorthemeasurest0remedyweregiven．Then,inaccordance“mtherequirementtOstrengthenthegirdersundernon-stopproduction,thefeasibilityofsfaengtheningthecran

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5、romthedynamictestandthecalculatedresultsoftheproportionoftheloaddistributionOnsteeldiagonalbracesandsteelcranegirdersaswellastheincreasedcarryingcapacityafterstrengtheninginconsiderationoftheprincipleofcooperativeworkbetweenbracesandcranegirders，thefeasibilib,，rationality，andeconomyofthisst

6、rengtheningschemehavebeenverified．Thisschemecallbeappliedextensivelytostrengthencranegirderssystemincludingconcretecranegirderssystemhereafter．Inadditionto，thefatiguecrackbetweenwebandupperflangeofweldedsteeleranebeam011heavydutyserviceWasdiscussed：andbasedonlong-termobservationandresearch,

7、theauthorclassifiedfatiguecrackintobearingtypeandmiddletypecrackalongthehorizontaldirection．Thecausation，distributivelawandmechanismofthecrackwereanalyzed，andtheprecautionstOtakeandthemeasu／tstoremedycrackwerepresented．Them山defactsincludingdamage．creek。e