2023学年完整公开课版Towermastsurvey

DesignandbudgetofmobilecommunicationengineeringTowermastsurveyCourseteam:XiaojiZhaoXuelianFangYueqiuDongLiuYang

SHENZHENPOLYTECHNICContents

1Towermastclarification

2Keypointoftowermastsurvey1.TowermastclarificationTowermastTowermastBeautificationantennaAnglesteeltowerSinglepipetowerThreepipetowerGuyedpipetowerBillboardLightpoleDisguisedtreeParameterDescriptionCharacteristicRegulardodecagon、regularhexadecagon，outsideladderWindpressure0.35kN/m2、0.40kN/m2、0.45kN/m2、0.50kN/m2、0.55kN/m2、0.65kN/m2Height40m、45m、50mMaintenanceplatform3（40m），4（45m、50m）。AdvantageSimpleandbeautifulshape，smallfloorarea，mechanizedconstruction，relocatableandreusableDisadvantagehighcost;highinstallationrequirementsApplicationSquare,roadsides,plain,hillyarea,especiallysuitableforsmallsitearea1.Towermastclarification——singlepipetower1.Towermastclarification——threepipetowerParameterDescriptionCharacteristicSteelpipetowercolumn，TrilateralWindpressure0.35kN/m2、0.40kN/m2、0.45kN/m2、0.50kN/m2、0.55kN/m2、0.65kN/m2Height40m、45m、50mMaintenanceplatform3（40m），4（45m、50m）。AdvantageSmalltowerbodycomponent，goodeconomy，smallarea，simplestructure，convenientconstruction，shortinstallationperiodDisadvantageWeakrigidity、height≤55m，difficulttomoveandreuseApplicationSmallsitearea，IndustrialDevelopmentZone，counties,towns,villages1.Towermastclarification——anglesteeltowerParameterDescriptionCharacteristicAnglesteeltowerbody,boltconnectionWindpressure0.65kN/m2Height45m、50m、55mMaintenanceplatform4AdvantageHigh

rigidity、strongbearingcapacityDisadvantagelargeamountofsteel,largearea，manycomponent，difficulttomoveandreuseApplicationSmallsitearea，IndustrialDevelopmentZone，counties,towns,villages1.Towermastclarification——guyedsteelmastParameterDescriptionCharacteristicUsingguyedsteeltoproviderigidityoftowerbodyWindpressureDeterminedbyloadHeight20-35mMaintenanceplatformNoplatform,2-3-layerantennaderrickAdvantageEconomiccost,lightcomponentandlightinstallationDisadvantageLargesitearea，weakbearingcapacity，poorstructuralreliability，difficulttoinstallandmaintain，difficulttomoveandreuseApplicationOpenmountainsandruralareas1.Towermastclarification—holdingpoleParameterDescriptionCharacteristicOnederrickandoneantennaWindpressureDeterminedbyloadHeight2-8mMaintenanceplatformNoplatformAdvantageIndependentcomponent，smallsitearea，convenientinstallationandmaintenance，lowcostDisadvantageLessnumberofantennacanbehung;affecttheappearanceofbuildingApplicationFarawaysuburbs，country1.Towermastclarification—highershelfParameterDescriptionCharacteristicRegularpolygonsection,lowheightWindpressureDeterminedbyloadHeight10-20mMaintenanceplatformNoplatformAdvantagelargenumberofmountableantennas,reliablestructureandconvenientinstallation.DisadvantageHighrequirementofbuildingstructure，difficultantennamaintenance，difficulttomoveandreuse，affectstheappearanceofbuildingsApplicationFarawaysuburbs，country1.Towermastclarification—disguisedtreeParameterDescriptionCharacteristicCircularcrosssection,internalladder,treeshapeWindpressureDeterminedbyloadHeight20-35mMaintenanceplatformNoplatformAdvantageGoodintegrationwiththeenvironment，smallsitearea，factoryprocessing,constructionmechanization,，easytomoveandreuseDisadvantageHighcost,highinstallationrequirementsanddifficultantennamaintenanceApplicationScenicspot,park,squareSquarepostChameleonMushroomLamppost1.Towermastclarification—othersAirconditionerTowerlocationandheight

Number,shapeandheightoftowerplatformNumberofderrickonplatformDerrickoccupiedbyantennaType：Anglesteeltower、steelpipetower、singlepipetower、guyedsteelmastSpecificationandquantityofmast

InstallationmethodandsupportInstallationpositionandquantityofantennaobstacleintheantennacoverageareapositionofnewmastType