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地形平坦开阔,地层由第四系全新冲积层,第四系上更新统冲层组成,局部表覆第四系全新统人工堆积层。第四系全新统冲积层厚度约25~50m,岩性主要为黏土、粉质黏土、粉土、粉砂、细砂;第四系上更新统冲积层厚度大于50m,岩性主要为黏性土、粉土、粉细砂等。管桩深度范围内地层主要为:粉土、黏土、粉质黏土,局部表层为杂填土。couplingCentreshallbechecked,thesecondpouredconcretestrengthofmorethan70%.Intheprocessofreamingorboring,apartfromthespecialprovisionsinfactory,doesnotallowanyworkthatmayaffectthecouplingCentre,suchasirrigation,tocylinderconnectionstofloodthecondenserpipesandsoon.Wellboring,hingeboltholeflangewithcouplingofvertical,notoblique.Mountingboltsshouldbeaddedlubricants,typinggentlywithasmallhammer,nottoolooseortootight,packedtheboltswiththecorrespondingsealscrewholeshouldbemarked.6.4.5.4.2couplingreamedandpairingsisclosetothediameterofboltbearinggoodhingeholes,dressedwithagoodtwocouplingboltsbeforeyoucanmovetherotor,boring-reamingholeinturn.Couplingboltsmustbetightcouplingissymmetricaldiameter,inboring,reaming,twoboltsout.Wellboring,hingeboltholeflangewithcouplingofvertical,notoblique.Duetothecouplingboltsinaccordancewithhingeholescorrespondingtothediameterofthescrewholesonebyoneafterprocessing,processingbackboltinstallationlocationcannotbechanged,soaccordingtoboltaftertheactualweightdifferenceofnutandlockwashertomatch.Generalrequirementsforcouplingtwosymmetricaldiameterbolt,nutandlockwasher'stotalweightdifferenceshouldnotbegreaterthan10gandknocksstampedmark.(SeeFigure18)Thecouplingboltsapplylubricant,andthengentlywithcopperhome,nottoolooseortootight.BoltAssemblyisfinished,symmetricaltighteningallboltsto30%,50%,70%,100%force,andcheckthecouplingflutterandbeforeconnectingthecirclegraduallychangesitsvalueshouldbelessthan0.02mm.Tighteningtorqueofthecouplingboltsshallcomplywiththetechnicalrequirementsmanufacturersdrawings,withadynamometricwrenchorlogtensiontools.Threewheelrotorswingtestcouplingconnectionsshouldbechecked:takingleave, 地形平坦开阔,地层由第四系全新冲积层,第四系上更新统冲层组成,局部表覆第四系全新统人工堆积层。第四系全新统冲积层厚度约25~50m,岩性主要为黏土、粉质黏土、粉土、粉砂、细砂;第四系上更新统冲积层厚度大于50m,岩性主要为黏性土、粉土、粉细砂等。管桩深度范围内地层主要为:粉土、黏土、粉质黏土,局部表层为杂填土。couplingCentreshallbechecked,thesecond

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