施工测量控制网的建立.doc
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施工测量控制网的建立
Constructionsurveycontrolnetworkestablishment 1.1thebuildinglayoutproceduresandrequirements 1.1.1buildingsloftingprogram Lofting,alsoknownasthemeasurement,whichisinaccordancewiththe requirementsofdesignandconstruction,thebuildinglocation,shape,size andheight,inaccordancewithcertainaccuracyrequirementsonground calibration,inordertocarryouttheconstruction.Essenceisthedrawing buildingsomecontourpoints(points)calibrationinfield,itspurposeand generalmappingworkinstead,fromdrawingstotheground. Usually,thebuildingdesigntrainofthoughtis:firstmakebuildingsoverall arrangement,todeterminetherelationshipbetweenthepositionofthe building(thatis,therelationshipbetweenthebuildingaxis),thenaroundthe mainaxisdesigntheauxiliaryaxis,thenaccordingtothedetaildesignof auxiliaryaxislocation,shape,sizeetc.. Therefore,constructionloftingworkprocedure,shouldanddesignwhenthe situation,followfromlocaltothewholeprinciple,namelythefirstonthescene setbuildingaxis,andthensetoutinallpartsofthebuilding.Totakesucha layoutprogram,canbeexemptfrommanybuildingscausedbyloftingwork disorder,andcankeeptheloftingelementexistsbetweenthegeometric relationship.Forexample,loftingindustrialbuilding,firststakingoutplantaxis, andthendeterminethemechanicalaxis,thenaccordingtothemechanical axis,determinemechanicalequipmentinstallationposition.Andasthelofting loftingcivilbuilding,firstbuildingoutlineaxis,andthendeterminetheaxis insidethebuilding,andthenaccordingtothebuildinginterioreachaxisto determinetheshapeoftheroom,sizeetc.. 1.1.2buildinglayoutrequirements Buildingthemainaxislayoutrequirements,shouldbebasedonthe8
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