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:20040927:(1961),,():,,,,:;;;;:U443115:B:10042954(2004)120058031,,,,,,,,,,,,:,,1161019m;,,31203212m;,,,11105100m;,,11,78,10m30,102:(1),;(2),,,;(3),,,,,,,,;,,,,,,,,,,,,,,,,,,,,,1;,23,,,,,,,,85RAILWAYSTANDARDDESIGN2004(12)©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,,115m,,,,,3(1),,,,,,,,,,(),,,()(2),,,,,(3),,,,,,()(),,(4),,,45m,,,,,115m,,,,,(5),,,,,610m,,,(6),,,,,,(3),,H=[6M/(q[])]015q,kN/m;[]l/10,MPa;M,,3,,(3),H=(q+P)/(l)q,kN/m;P,kN;l/12,MPa;l,m4,,4:(1);(2);(3),3,2;(4)95RAILWAYSTANDARDDESIGN2004(12)©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,,,,6(1),;,;,,,,,(2),,,,,,,,,,,,,,,,(30cm),,2cm,,,,,,(3),,,,(0180m),,,,,,12,,,,,,,,,,,,,,,,,,,(4),,,(),,,(,,),,,,(5),,,,,,,,,3,,,,,,,,,(6),,23,,,,,,5060cm,,20cm,,,C25,5,,,,,,,,,,,,,,06RAILWAYSTANDARDDESIGN2004(12)©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.,,,:[1],.[J].,2001,26(2):4951.[2].[J].,2004(5):1314.[3],.[J].,2003,9(3):2627.[4].[J].,1999,5(3):120121.[5].[J].,2003(1).[6].[J].,2003(10).[7].[J].,2003(8).[8].[J].,2002(8).:20040804:(1966),,,2004(300142):,,:;;:U448117:B:10042954(2004)120061031,,4,23m,016m,,4,,,2(1),,(2),,,,,(3),,(4),,,3,107,,,,107,;43,,,,,,3411()(1)16RAILWAYSTANDARDDESIGN2004(12)©1995-2005TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.RAILWAYSTANDARDDESIGNNo.12,2004AbstractsandKeywordsRaisingDesignStandard,EnhancingConstructionQualityControlandExterminatingLeakageofRailwayTunnelsNiGuangbin,WangXiaoliangAbstractAccordingtothestudyontunnelleakageofrecently2builtrailwaysandhighways,andthecomparisonbetweenwaterproofstandardsandwaterproofdesigns,ananalysiswasmadeofcausesfortheleakage,andproposalsweregivenonhowtoraisedesignstandard,enhancecon2structionqualitycontrolandexterminateleakageofrailwaytunnels.Keywordsrailwaytunnel,waterleakage,cause,proposalKeyTechnologyforSpeed2raisingofExistingLineinGermanyFanHua,XuXuedong,GaoLiangAbstractAnintroductionwasgiventotargetvalue,guidingprinciple,maintechnicalstandard,andparametersofexistingrailwaylinespeed2raisinginGermany.ProposalsweregivenonspeedraisingofChinarail2waybasedoncurrentsituationandtechnologicalspecifications.KeywordsGermanrailway,existingrailwayline,speed2raising,keytechnology,tipRouteSelectionandDesignofRailwayLineinFloodDetentionandDiversionAreaCuiXianfuAbstractRouteselectioncoversthreestages2engineering,geological,andenvironmentalstages.Abriefintroductionisgiventocharacteristics,principles,andmethodofrouteselectioninflooddetentionanddiversionarea.Keywordsflooddetentionanddiversionarea,routeselection,studyABriefTouchonSmallNumberTurnoutDesignforUrbanRailTransitZhangDongfengAbstractSmallnumberturnoutholdsamajormarketshareandplaystheimmeasurableroleinurbanrailtransit.Indesignofsmallnumberturnout,thecharacteristicsofurbanrailtransitshouldbetakenintocon2sideration,andunbalancedcentrifugalaccelerationandlinetypeshouldbeproperlyselected,andcomputationofgaugewideningandturnoutstructurewideningshouldbeappropriatelyhandled.Keywordsurbanrailtransit,smallnumberturnout,designAnIntroductiontoBridgeandCulvertDesignforGolmud2LhasaSectionofQinghai2TibetRailwayWuShaohaiAbstractGolmudLhasasectionofQinghai2TibetRailwayis1142kmlong,and545kminpermafrostzone.Thewholelinehas160kmlongbridgesandnearly2000culverts,andbridgesinpermafrostzoneis120kmlong.RailwayconstructioninsuchinclementnaturalenvironmentasQinghai2Tibetplateauinvolvesthreebigthemesplateau,frozenearth,andenvironmentalprotection.Abriefintroductionisgiventobridgeandculvertdesign,foundationtype,andbridgeandculvertstruc2ture.KeywordsQinghai2TibetRailway,bridge,culvert,designAWholeSpanBoxGirderErectingTechnologybyGirderErectingEquipmentGoingThroughATunnelandPortalLiuYabin,LiuLiguoAbstractCertainspaceshouldbeavailableintunnelsforgirdererect2ingequipmenttocarrybeamsthroughit.Discussionsweremadeofa32mspan,900tgirdercarryinganderectingoptionintunnelportal.Keywordsawholespanboxgirder,bridgegirdererectingequipment,tunnelportal,girdercarrying2erectingcombinedtype,erectingtechnolo2gyOptimizingConcreteMixingRatiobyUniformDesignPengFeng,ChenYongpeng,QinZhenggang,JiangJinnanAbstractAstudywasmadeonimpactofcementconsumption,water2cementratio,sandpercentage,andadditiveonconcreteduringuniformdesignofconcrete.Mathematicalmodelwasestablishedandregressionanalysiswasmadeforoptimummixingratio.Keywordsuniformdesign,concretemixingratio,regressionanalysisDesignandConstructionofBridgePileFoundationinKarstAreaGaoGejinAbstractKarstsubgradeisverydetrimentaltobridgethatcallsforhighattentionindesignandconstruction.Basedonpilefoundationde2signandconstructioninKarstcavernforarailwaybridge,andgeologicalcharacteristicsofthecavern,asummarywasmadeofsuchissuesasgeo2logicalprospectforbridgefoundation,safetythicknessoftopslabofcav2ern,andpilefoundationdesignandconstruction.Keywordsbridgefoundation,Karstarea,pilefoundation,design,constructionTheAuxiliaryDecision2makingSystemforTBMConstructioninRockTunnelsWuShijing,GongZhibo,QianboAbstractATBMconstructiondatabasewasestablishedaccordingtotheobjectiveofTBMconstructionauxiliarydecision2makingsystem