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1、公路工程管理与实务（HighwayengineeringmanagementandPractice）1.thetypesofsubgradewettinganddryingareclassifiedas().A.twocategoriesB.threecategoriesC.fourcategoriesD.fivecategories2.whenthesubgradetransverseslopeintheoriginalfoundation(),theoriginalfoundationshouldbedugintothesteps,andthestepwidthnotlessth
2、an2m,andtoreinforcethe.A.1:3B.1:4C.1:5D.1:63.whichofthefollowingstatementsisincorrectinregardtoinsituprocessing?.ThecompactiondegreeofSubgradeofhighwayA.andtwoortwoshallbenolessthan90%B.insitupits,holes,cavesandsoon,shouldbecleanedafterthesediment,withqualifiedfillinglayeredbackfill,layeredcomp
3、actionC.springsorgroundwateroutcrop,shouldaccordingtothedesignrequirement,takeeffectivedrainagemeasuresbeforefillingembankmentWhenthegroundslopeofD.islessthan1:5,thestepshouldbeexcavatedonthegroundsurface,andthewidthofthestepshouldnotbelessthan2mThefollowing4.kindsoffillingcanbeusedforembankmen
4、tfillingaftertherelevantregulationsareprocessed.A.turfsoilB.organicsoilC.humussoilD.municipalsolidwaste5.thefollowingisafalsestatementabouttheconstructiontechniqueoffilledembankments.ThefillerswithdifferentpropertiesofA.shouldbedividedintohorizontal,sectionalandlayeredonesB.shouldbefilledinbyth
5、epermeabilityofthebadfillingembankmentslopecoveredwithmorepermeablefillerC.thesamewidthshouldbeadoptedforthewholewidthofthesubgradeonthesamehorizontallayer,andshallnotbemixedandfilledD.inthegroundwaterorwaterwithinthescopeofsectionofsubgradefilling,shouldbegoodwaterpermeabilityfiller6.bulldozer
6、excavationsoilcuttingoperations,excavationofearthworkbulldozerbycuttingsoil,soil,soilunloading,transport,returnofreentrantformacycle,mainfactorsaffectingtheworkingefficiencyis()andtransporttwolinks.A.reentryB.SoilUnloadingC.emptybackD.cutsoil7.,intheterrain,dangerousandsmallamountofblasting(suc
7、hasgullies,excavationpavement,pit,etc.),priorityshouldbegiventothefollowing()blastingmethods.A.steelshotB.deepholeblastingC.springgunD.catgun8.()doesnotbelongtothecharacteristicsofgundrillrod.A.eachblastinghasfewersquaresandisenti
