滑坡治理中的抗滑桩结构设计

263Vol.26No.320049JournalofEarthSciencesandEnvironmentSep.2004316K25+040+1401,2,1,1(1.,710054;2.,710082)[]316K25+040+140,,,[];;;316[]TU753[]A[]167226561(2004)0320044204[](1978-),,,,,[]2003210228[](40272116),,,,,,[5],:;,,;,,316K25+040+140,1316K25+040+140,,,,3m,35m,70m,110m,l0104m3,100m2,,,,[1],,,,,,020m,,,,,0.11m,1216m,,68cm,,,[1],2000,12m,,,,©1995-2006TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,,2316,,,,,3,,,45,,1.5m2.0m,3.5m,3,14m,13m,17m,15,,44.14.1.1,,=8,C=15kPa,1.15,1105,+1.024.1.2,,1,,,,,4.1.3:E1=W1sin1-1K(W1cos1tan1+c1L1)12nFig.1CalculateofFig.2Supportedbyforcedevidinglandslideofthenumbernslideblock2,:En=Tn+En-1cos(n-1-n)-1K{[Nn+En-1sin(n-1-n)]tann+cnLn},Tn=Wnsinn,Nn=Wncosn,(n=1,2,3,):Wii;i:q=LEnl,:L;l;En;E=270kN/m;q=67.5kN/m4.24.2.146m,,6m,4m,m:=mBpEI1/5,K:=kBp4EI1/4,:E;I;m;Bp;K1,1Table1DetermineofrigidityandelasticitypilesKmh21.0h22.5h21.0h22.5:h2543,:316K25+040+140©1995-2006TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.4.2.2(1):MA=Erh0=EnLh0,QA=Er=EnL,:MA,QA;Er;En;L;h0,:MA=6615kNm,QA=945kN(2)3KK:3KFig.3Kmeansofcalculatingchatonone2trackstratumQy=QA-12KBpy(2y0-y),My=QA(h0+y)-16KBpy2(3y0-y)y0:y0=h2(3h0+2h2)3(h2+2h0),=6QA(2h0+h2)KBph32,:h0=MAQA,,:Mmax=7144kNm,Qmax=1021kN4.2.3,1.5m2m,60mm;,:s=M/fcmbh20,As=fcmbh0/fy:V0.7fcbh0+1.25fyvAsvh0/S:=As/bh0,:1232622,12@300,4,4.2.4250mmC20150mm0.2m,12@200,545Fig.4ArrangingreinforcingFig.5Arrangingreinforcingbarofthestakestructurebarofthetopofstake4.2.5,15,108mm,7,76mm,4.051.10m12,45mm,,5,,,4#,52mm,,,,66Fig.6Detailedfigureofthewaterpipeline6426©1995-2006TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.4.2.6(1),(2),(3),,,315m(4),21,,(5),,,,(6),,5316K25+040+140,,K,[][1].316K25+040+140[R]1:,2001.[2](GB50330-2002)[S]1:,2002.[3](GB50010-2002)[S]1:,2002.[4](GB50007-2002)[S]1:,2002.[5].[M]1:,1996.[6].[J]1(),2003,25(3):5659.[7].[J]1(),2003,25(1):6265.[8].[J]1(),2003,25(1):52561[9].[J]1(),2003,25(2):22261Designofanti2slidingpilesonlandslidecontrolSHILiang1,ZHANGZhe2,LIXun2chang1,MENYu2ming1(1.SchoolofGeologicalEngineeringandSurveyingEngineering,ChanganUniversity,Xian710054,China;2.ShaanxiResearchInstituteofBuildingScience,Xian710082,China)Abstract:Inthispaper,thewholedesignprocessofanti2slidingpiltsonlandslidecontrolengineeringofahighwayisintroducedandthecalculationmethodandformulasindesignaredealedwith.Theformulaforcalculatingtheinternalforceofanti2slidingpilesaretransformedintoasimplewaythatmakethedesignmorepractical.Meansaboutthewaterpipelineispresented.Keywords:landslidecontrol;anti2slidingpile;structuredesign;316nationalroad[:]743,:316K25+040+140©1995-2006TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.