路拌法天然砾石水稳基层的英文施工方案

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1、WorksProgrammeforGravelCementStabilizationBaseProgrammeLMainconstructionmethodThebaseforthesectionofOGINGAODINGARoad(KURAProject)shallbe150mmcementtreatednaturalgravelmateriallayerwithcementcontent2.5%.Thenaturalgravelmaterialshallbehauledtothefieldwith15Ttippers,spreadbythegraders,

2、blendedbythepulmixerandcompactedbytherollers.ILConstructionoftrialsectionThe100mfull-widthtrialsectionisscheduledtoconstructbetweenkm0+800-km0+900inadvancebeforetheoverallcommencementofbaselaye匸1.ThepurposeofconstructionfortrialsectionThepurposeoftrialsectionistoverifythefollowingas

3、pects:a)theproposedconstructionprogramandmethodarefeasibleornot;b)thedeploymentandmatchingofconstructionequipmentandpersonnelarereasonableornot;c)therelationshipbetweentherollingpassesofroller,rollingmethodsandcompactiondensity;d)toconfirmtheloosecoefficientandloosedepthofmaterialsp

4、reading;e)toverifytherangeoftolerancebetweenconstructionmixproportionanddesignedmixproportionThetrialsectionshallprovideconstructionguidanceanddatafortheoverallconstruction.2.ThedatarequiredtobecollectedduringconstructionoftrialsectionThetrialsectionmustbeundertakenunderthedirection

5、ofEngineer.Thefollowingdetailsshouldberecorded:•thetypesofequipmentandequipmentquantity;•mixingtimeforstabilizationlayer;•rollingpassesandmethodforroller•loosepavingthickness,levelandmoisturecontentofmixturebeforecompacted;•actualthickness,level,moisturecontentanddensityofmixtureaft

6、ercompacted;3.TestingitemsforthetrialroadThenaturalgravelmaterialandcementshallbetestedaspertheTechnicalSpecificationbeforethecommencementoftrialroad.ThemixtureandstructurallayershallbecarriedouttestsinlaboratoryaspertherequirementsofTechnicalSpecificationduringtheconstructionproces

7、sandafterconstructionfinished.Onlyiftheabovetestsdatareachtherequirements,thetrialroadcanbeapproved.AftergettingtheapprovalfromtheEngineer,thetestingdatawillbethebasisforouroverallconstruction,andthetrialsectioncanbeonepartoftheroad,otherwisetheContractorshallfindoutthereasonsandund

8、ertaketheconstructi