中间设站法精密三角高程测量在基坑监测中的应用
摘要:几何水准法是目前基坑竖向位移监测的常规方法,该方法受基坑施工场地环境的影响较大,在一些空间狭窄的基坑工程中很难进行施测。简述了三种三角高程测量方法的特点,并选用了中间设站法精密三角高程测量作为研究对象。研究了中间设站法精密三角高程测量的误差来源及精度,结合工程测量试验,分析了TCA2003全站仪中间设站法精密三角高程测量的实测精度及其替代二等几何水准测量的可行性和可靠性,给出了中间设站法精密三角高程测量应用于基坑竖向位移监测的条件及操作流程。
Abstract:Geometric geoid method is the conventional method of foundation pit vertical displacement monitoring. This method is strongly influenced by the environment of foundation pit construction site. It is hard to measure in some narrow space foundation pit engineering. In this paper, the characteristics of three trigonometric leveling methods were summarized, and the source of measuring error and accuracy of total station precise trigonometric leveling was studied. Combining with engineering survey test, the measurement accuracy of TCA2003 total station precise trigonometric leveling was discussed. Then the feasibility and reliability of substituting precise trigonometric leveling for second-order leveling was analyzed. Finally, the process and condition of the application of total station precise trigonometric leveling were put forward.
中文标题：
中间设站法精密三角高程测量在基坑监测中的应用
The Application of Precise Trigonometric Leveling in Foundation Pit Monitoring
作者：
孙愿平,姚培军,刘洪臣
Sun Yuanping,Yao Peijun,Liu Hongchen
作者简介:孙愿平,1984年生,男,汉族,云南沾益县人,大学本科,助理工程师,从事工程测量工作。E-mail:syp66566@126.com
通讯地址：
中兵勘察设计研究院, 北京 100053
ChinaOrdnanceIndustrySurvey,Design&ResearchInstitute,Beijing100053,China
中图分类号:P224.2
doi:10.3969/j.issn.1007-2993.2013.04.001
出版物：岩土工程技术
收稿日期:2013-05-06
关键词:测量机器人,基坑竖向位移监测,中间设站法精密三角高程测量,精度
Key words:measuring robot,foundation pit vertical displacement monitoring,total station precise trigonometric leveling,accuracy
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