全站仪自由设站法的精度分析

全站仪自由设站法的精度分析

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。

关键词: 自由设站法; 基坑监测; 精度分析

abstract: the analysis of free principle and accuracy evaluation method, the precision formula is derived using free station method of foundation pit monitoring; combined with a certain foundation pit monitoring, will free station method and present in the foundation pit monitoring

coordinate method used sensor were analyzed, using the free station method for deformation monitoring fully meet the standard requirements on the foundation, and has good practical value.

key words: free station method; monitoring; precision analysis

中图分类号：tv551.4 文献标识码：文章编号：

随着我国国民经济的迅猛发展, 城市建设也突飞猛进, 随之出现了众多的超高层、大跨度空间结构。而做为工程建设第一步的基坑工程又是各种建筑上部施工的关键, 过去由于设计和施工过程中