沪宁高速公路扩建工程沉降观测分析-黄侃

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·20104(218)TRANSPORTSTANDARDIZATION.1HALFOFApr.,2010(No.218)19181716151413121110090807060504030201001-11[1]、,,、、、、,(1-1),248.216km,,,,120km/h。22.1[2-4]2-1,,。、、,1,2,3(1.,211112;2.,264025;3.,210049):、,,,,。:;;:U412.366:B:1002-4786(2010)04-0130-03DOI:10.3869/j.1002-4786.2010.04.053SettlementObservationofShanghai-NanjingExpresswayExpansionProjectHUANGKan1,YUANLi-qun2,GUOTao3(1.JiangsuTransportationResearchInstituteCo.,Ltd.,Nanjing211112,China;2.KeyLaboratoryofGeotechnicalEngineering,LudongUniversity,Yantai264025,China;3.JiangsuNing-HuExpresswayCo.,Ltd.,Nanjing210049,China)Abstract:Throughthelong-termobservationonthesettlementofShanghai-NanjingExpresswayexpansionprojectduringitsconstruction,defectresponsibilityandoperationperiod,thenewandoldsubgradesettlementdeformationrulesaresummeduptoensurethestabilityofbothnewandoldsubgradeinoperationperiod,whichcanaccumulateexperienceandprovidebasisforthedesignofexpresswayexpansionandsoftbasetreatmentinfuture.Keywords:expressway;expansion;settlementobservationMEASUREMENT&SUPERVISION130TRANSPORTSTANDARDIZATION.1HALFOFApr.,2010(No.218)·20104(218)2-13-23-1K25+015,:a),;b),;c),,;d);e)、、、、、,,,。2.2,2~3,。,20045~20066。,,。33.1,,,、、。3.1.1、。,(3-1、3-2)。3.1.2K263+730~K264+000、K265+150~K265+200、K268+500~K268+550,,。3.23.2.1[5-6],、、。,,、683();0~30mm,94.8%;0~6mm,99.1%。,(3-33-4)。3.2.2,。3-53-6。MEASUREMENT&SUPERVISION131·20104(218)TRANSPORTSTANDARDIZATION.1HALFOFApr.,2010(No.218)2502001501005000~11~22~33~44~66~88~1010~15(mm)3-304.504.604.704.804.904.1105.205.505.805.1106.206.607.107.407.707.908.108.3024681012141618202224262830(mm)(·)3-444.120035,。,,,。,。,、。4.2,,,,。:K225+160(),9.16cm,K225+160(),“15cm”;K30+918(),2.69cm,K30+918(),“5cm”。0.5%,,。4.3、,,,。[1].[Z].:,2003.[2].()[R].:,2008.[3],.[A].()[C].:,2006.[4].[D].:,2006.[5].[D].:,2004.[6],.[J].,2005,25(4):18-21.[7],,.[J].,2003,(28):13-19.:(1982-),,,,、。:2010-01-19MEASUREMENT&SUPERVISION4003503002502001501005000~11~22~44~66~8>153-5(mm)024681012141618202224262830(mm)04.804.1105.205.505.805.1106.206.607.107.407.707.908.108.304.93-6(·)132

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