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ID:37711486
大小:1.72 MB
页数:54页
时间:2019-05-29
《中英文对照工程施工方案》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、第八章各分部分项工程的施工方案Chapter8ConstructionSchemeofSubprojects548.1土建施工方案8.1CivilEngineeringConstructionScheme8.1.1工程测量 8.1.1EngineeringSurveying1)测量概述1)MeasurementOverview为满足工程施工特点,该工程的测量控制网按照“从整体到局部,高精度控制低精度”的原则,由高到低设置三级控制网,各级控制网相互衔接,统一为整体系统。Inordertomeetth
2、echaracteristicsofconstruction,thesurveycontrolnetworksoftheprojecthavethreelevelsfromhightolowinaccordancewiththeprinciple“Fromthewholetothepart;Highprecisioncontrolslowprecision”.Controlnetworksatalllevelsshouldbeconnected,thusformingtheoverallsyste
3、m.1、测量注意事项1.MeasurementConsiderations建筑物占地面积超大,这对轴线控制网的布设和投测带来难度,需要充分利用高精度电子全站仪进行轴线控制网的布设及细部测量放线,钢尺作为辅助;轴线投测时,仪器要架设在建筑物两端,以减少投测误差。Asthebuildingsoccupyalargearea,whichbringsdifficultytothelayoutdesignandmeasurementoftheaxiscontrolnetwork,theelectronict
4、otalstationwithhighprecisionshouldbeusedtolaythenetworkanddodetailedsurveywithsteelrulersasassistivedevices.Whentransferofbuildinglinesisconducted,instrumentsshouldbeerectedonbothendsofthebuildingstominimizemeasuringerrors.2、测量前准备工作2.Preparationsbefor
5、emeasurement(1)、测量仪器检定:本工程使用的所用测量仪器及工具(包括专业分包的测量仪器)均应经国家计量单位检校合格并在有效时间之内。(1)Measuringinstrumentcalibration:Allmeasuringinstrumentsandtools(includingthoseusedinprofessionalsubcontracts)shouldbeexaminedandcalibrated54bythenationalunitsofmeasurementandme
6、etthestandardswithintheeffectivetime.(2)、校核图纸:总图校核,包括建筑物定位依据及条件;校核建筑图、结构图、机电图纸是否对应。(2)Checkingdrawings:Checkthegeneraldrawing,includingthepositionbasisandconditionsofbuildings;Checkwhetherarchitecturaldrawings,structuraldrawingsandelectricalmechanical
7、drawingscorrespondtooneanother.(3)、根据建筑总平面要求,对规划勘测部门提供的坐标点和水准点进行复核,确保工程测量的准确性。(3)CheckthecoordinatepointsandbenchmarksgivenbyPlanningSurveydepartmentinaccordancewiththerequirementsofthebuildinggenerallayoutandensuretheaccuracyofengineeringsurveying.(4
8、)、施测用辅助材料如标高控制桩油漆、麻线等提前准备到位。(4)Auxiliarymeasuringmaterialsshouldbepreparedinadvanceinplace,suchaselevationcontrolpilepaint,twine,etc.(5)、测量仪器及人员准备:成立测量组组长,负责整个工程的测量与验线工作。人员、仪器配置如下:(5)Preparationofmeasuringinstrumentsandpersonnel:Appointateamle
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