鋼管混凝土拱橋動力特性分析

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3、?…—ˉ?ˇ??,???—??￠??—?¨?—??a,????`?—????¨?:2000-07-01),??`??????`?˙ˉ???′??￠?—?—??ˇ????–“?￡˙ˉ`”‰??????`?—?˙???`?—????“???,?¤??′??￠?—?…???–¨¨,?·?`?˙ˉ`”???¨?–??￡?¨?‰??????ˇ?￠?`???¨?￠??……§?—?…¨,??¨?‰?——˙ˉ`”????…??￠????…????¨?¤—??¨?…—ˉ“??￡–???…???`?—???`ˇ???·?ˇ,??????`?

4、˙ˉ???`?—‰?——`????‰??,?“¨o?“??????`?˙ˉ???`?—?—???……??…–??￡1????????˙,?????`?˙ˉ??′?,“?¤??˙ˉ??”???·—??¤?¨…?——–??¨……??a????￡ResearchonConstructionTechnologyofanIntegratedInstallationTowers122ZhangKaiyin,??LiuSanyuan,??HeYuwei(1.HuazhongUniversity,Wuhan,China;2.Hubei

5、HighwayandBridgeCompany,Wuhan,China)Abstract:Intheconstructionofthelong2spanconcretefilledsteeltubulararchbridgebyusinganintegratedinstallationtowers,thekeytechnologies,suchasstrengthandstabilityofthetower,deformationofacable,measurementforthetensionandcontrolofth

6、earchribs,areresearchedinordertoassuretheconstructionqualityandsafety.Thedesignofanintegratedinstallationtowerscandecreasetheinputequipments,reducetheengineeringcostsandpickuptheconstructionspeed.Thistechnologycanbealsousedintheconstructionofthesamekindbridge.Keyw

7、ords:Concretefilledsteeltubulararchbridge;Archribs;ConstructionIntegratedinstallationtowers;Qx?-heeHgV0N~R¤u;http://www.dillsun.com?“11?“,??a???ˇ”￡¨‰?·˙ˉ?￠01637Hz?￠0.765Hz?￠1.130Hz[5]?￡[25]???￡?ˇ????200m?—?—?‰·?—–????—˙‰???`?—?￡–¨‰?·˙ˉ?“?,?—'?????`?˙ˉ?¤?…??a1`—

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