體外預(yù)應(yīng)力法加固鋼砼梁的抗彎性能研究及其與粘鋼法加固的對(duì)比試驗(yàn)研究.pdf

1、北京工業(yè)大學(xué)碩士學(xué)位論文體外預(yù)應(yīng)力法加固鋼砼梁的抗彎性能研究及其與粘鋼法加固的對(duì)比試驗(yàn)研究姓名：李立申請(qǐng)學(xué)位級(jí)別：碩士專(zhuān)業(yè)：結(jié)構(gòu)工程指導(dǎo)教師：涂鳴2003.6.1北京工業(yè)大學(xué)碩士學(xué)位論文AbstractInthisp叩ertheauthorstudythemechanicsperformanceof’reinforcedconcretebeamstren昏henedbyext咖alprestressingandthecontrastag

2、ainstitbybondingsteelplatebythemeansoftheoreticsandexperimemThmu曲thisstudytheauthoreducesmanyvaluableconclusionsandputfo九vardsomeadvicesforthedesignofbeamstrengthenedbyemernalprestressingFirst，theauthorcaⅡiedoutstaticexp

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4、ate，andtheotheroneisremforcedconcretebeamascontrastexperimentbeamIntheeXperimem，theauthorgetmanyconclusionsonthefixedbeamstren群hendbythetwomeansthroughanalysmgtheexperirnemresult，includingstrain，displacement，angleofrotat

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6、caseinenginee血gstrengtIleningandt11eshortcominginthestr∞鮮henmgconcretenorm，theauthorputsforwardmodmedmeansthatdesignershouldexamiIletheimemalforceaneresmatir培theprestressedtensionrOdsec七ionalareaanddeducethepracticalfor舢

7、IausedintheeXaminm呂TheforⅡmlaissuitabIeformostengineeringcastwhichcoIlsistoftllreedisposalstylesoftensionrod—leveltensionrod，onebreakpointstrutf鋤edt衄sionrod，t、vobreakpointsstnlt丘amedtesionrod，蛐dconsiderthebounda廣yconditi

8、on’se髓ct0nthestrength刪ngItsapp越cationalsojsconVenjenceFinally，bytheexperimemaldataandthepmgr鋤mingcalculation，t11eauthorstudvtheeccentriccompressionandtensionstateonthecon仃olsectionoftlletvrostyleofstren酵henedbeamBasingon