中环支护工程测量方案.doc

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1、目录1.工程概况...................................................................32.编制依据...................................................................33.施工准备...................................................................43.1场地准备....................

2、.............................................43.2测量仪器准备.............................................................43.3技术准备.................................................................43.3.1施测组织....................................................

3、............43.3.2技术要求...............................................................53.3.3施测原则................................................................54.主要施工测量方法...........................................................64.1坐标及高程引入...........

4、................................................64.1.1坐标点、水准点引测依据.................................................64.1.2场区平面控制网布设原则.................................................64.1.3引测坐标点、水准点，建立局域控制测量网.................................64.2.1轴线控制方法.

5、..........................................................84.2.2高程传递方法...........................................................84.2.3轴线及高程点放样程序...................................................84.3基础测量放线.............................................

6、................84.3.1轴线投测...............................................................84.3.2标高控制...............................................................94.4测量注意事项.............................................................94.5细部放样的要求.......

7、....................................................95.质量标准..................................................................106.沉降观测与变形观测........................................................106.1建筑物自身的沉降观测..........................................

8、..........106.2特殊基坑的位移观测......................................................117.测量复核和资料的整理......................................................118.施工管理措施..............................................................128.1保证质量措施..............