桥梁施工计划英文版Bridge Foundation and subStructure Construction Progr

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1、BridgeFoundationandSubstructureConstructionProgramme(k5+0003×25m=75mMamboleoBridge)1.Basis(1)TheStandardSpecificationforKenyaRoadandBridgeConstruction.(2)ContractoftheRehabilitationofKisumu-KakamegaRoad,SpecialSpecification.(3)Drawings.(4)TheGeneralRequirementofConstructionPeriod.(5)Actualcon

2、ditionin-site.2.GeneralStatusoftheBridgeweplantocommenceconstructionofKm5+000bridgerecently.Thesuperstructureis3×2.5mcast-in-situcontinuous“T”girder(30/20concrete).Thebridgepierandabutmentofsubstructureisextendedopencutfoundation(30/20concrete).Pierbodyadoptsthin-walledpier(30/20concrete)andb

3、ridgecapbeam(30/20concrete).Thetypeofabutmentbodyuseswing-wallabutment(30/20concrete)and30/20reinforcedconcretestructure.AttachedpleasefindKm5+000Manboleobridgesubstructureprogramme.3.Foundation(ExtendedOpenCutFoundation)ConstructionTechnologyScheme(1)PreparationThepreparationofconstructionme

4、chanicalequipment,staffs,locationset-out,originalmaterialtestandstandardratiotesthavebeencompleted,andthesideroadaroundconstructionlocationcouldmeetbridgeconstructionrequirement.(2)FoundationPitExcavationMechanicalequipmentshallapplytofoundationpitexcavation,andlaborforcesclearthebottomofpit.

5、Basedontheactualconditionofexcavatedculvert,foundationpitslopesetsoutis1:0.33or1:0.25.10cm-20cmwidthshallbereservedforlaborforcecleaning.Iftheundergroundwaterinhighlevel,aringdrainwillbeexcavatedaroundfoundationpit.Thetopwidthofdrainis0.5m,andunderpartis0.3m;Onewatercollectionpit(0.5＊0.5＊0.8m

6、3)shallbeexcavatedifnecessary.(3)SetOutandBlindingConcreteAfterfinishingfoundationpitcleaning,thesurfaceofpitshallbecompacted.Then,commencingsetoutbaselocation,dimensionsandelevation,theresultsofwhichshallbereportedtoEngineerforinspectionandapproval.Afterthat,casting100mmblindingconcrete(15/4

7、0)in-situ.Thetopelevationofblindingconcreteisthesamewiththebottomelevationofpilecap,whichisundertherequirementofspecification.Thewidthofblindingconcreteis0.05mlargerthanpiercapoutline,whichneedstrictlycontrolduringconstruction.(4)ReinforcingB