自由设站法进行基坑监测的精度分析  

Precesion analysis of free-station positioning on monitoring of foundation

作　　者：张建坤[1] 王金明[1] 贾亮[1] 

机构地区：[1]北京市勘察设计研究院有限公司,北京100038

出　　处：《测绘工程》2011年第4期74-76,共3页Engineering of Surveying and Mapping

摘　　要：分析自由设站法的原理及精度评定,推导利用自由设站法进行基坑监测的精度公式;结合某一基坑监测,将自由设站法与目前在基坑监测中常用的测坐标法进行对比分析,利用自由设站法对基坑进行变形监测完全满足规范要求,具有较好的实用价值。The principle of free-station and its accuracy evaluation is analyzed.The accuracy formula of the monitoring on foundation using free-station is derived.Based on monitoring of a certain foundation,through comparing the method of free-station and monitoring coordinate which is current commonly used,then we can get that the method of using free-station on monitoring foundation can fully meet the specification and has practical value.

关 键 词：自由设站法 基坑监测 精度分析 

分 类 号：P258[天文地球—测绘科学与技术]