涵洞土压力与沉降

1(131)20002SHANXISCIENCE&TECHNOLOGYOFCOMMUNICATIONSNo.1Feb.:100623528(2000)0120030203:1999212210:(1953-),,,,,1990(,030002):,,,,,:;;;:U449:B,,,,,,:,;,,,,R=CH,,,,,11.1,D(1)1Rv,,;,,,D,+D;-D+D,Rv;-D,Rv,,D,H(35)h,,HsH,,$Ry,D,D0,$Ry0,Ry=CH+$Ry,K,K=RyCH1,;,D=0,K=1;D0,K1,,$D,KHV(24),,2NANS3©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.Höm4V3,,4,R=CH:,,1.2,H3h5h,,,,+D,,,D,,,,3m5m,,2.5m,20m,,,,,,,+D$Rv,,,V,-D,,,-D,-D,,,,,1.3,,,,,,,,(),,-D-D,,,,:();-D,(H)H,-D,,K1,,,;,-D,,,,,,,22.1(),20,,,qv=CH,,,;,,,,,,,2.2,,-D,,,,,Rv,CH,,+D,-D,a.,,-D,1320001:©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.b.,(),,-D,,,,c.,,3a.,D+D,$Rv,RvCH,K1-D,,RvCH,K1,b.,c.,,,5,,d.,VBHA:[1]..:[C],1994,10.[2]..[J],1990(3).CulvertSoilPressure&DisplacementHANShuan-kui(TaiyuanMunicipalEngineeringDesignInstitute,Taiyuan,Shanxi030002,China)Abstract:Thepaperanalysedtheinfluencefactorandregularityofculvertverticalsoilpressureandsoildisplacementdeformation,proposedthemeasureofreducingload.Keywords:culvert;soilpressure;displacement;reducingload(25):[1].[M].:,1995.[2].[S].:,1999.[3].[M].:,1979.DynamicProgrammingBeingUsedinOptimizingContinuousBeamDesignPANGChuan-qin1,BIYu-feng1,WANGYan2(1.DepartmentofHighwayEngineering,JinanCommunicationCollege,Jinan,Shandong250023,China;2.JiqinHighwayManagementInstitute,Jinan,Shandong250002,China)Abstract:Throughtheoptimummethodofdynamicprogramminginoperationalresearchgivesamethodindesigningthecontinuousbeam.Throughthismethoddeducesnspansoptimumformulaandthentellshowtousetheformulathroughalivingexampleindetail.Atlastgivestheflowchartinordertocalculateitbythecomputer.Thismethodcanbeservedindesigningcontinuousbeam.Keywords:dynamicprogramming;optimum;continuousbeam;design2320001©1995-2004TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.