武汉轨道交通水准测量精度的影响因素及控制

Influencing Factors and Control of Wuhan Rail Transit Leveling Accuracy

对于城市轨道交通工程项目来讲,施工过程中的测量工作有着非常重要的作用。高程是确定地面点位置的基本要素,水准测量是高程测量中最常用、最精密测量。测量精度直接影响到城市轨道交通工程建设的质量。当前工程项目在开展测量工作的过程中,受多种因素的影响导致没有掌握好测量的精度,使得水准测量的结果有一定的偏差,限制了高程的准确性。为了充分保证轨道交通水准测量过程中的精度,需要对影响精度的因素展开分析,并制定合理的控制措施。基于此,文章就武汉轨道交通水准测量过程中精度的影响因素及控制措施展开论述。

For urban rail transit project,the measurement work in the construction process plays a very important role.Elevation is the basic element to determine the location of ground points,and leveling is the most commonly used and precise survey in elevation survey.The measurement accuracy directly affects the quality of urban rail transit construction.At present,in the process of carrying out the survey work of the engineering project,due to the influence of many factors,the accuracy of the survey is not well mastered,which makes the result of the leveling survey have certain deviation and limits the accuracy of the elevation.In order to fully ensure the accuracy of rail transit leveling,it is necessary to analyze the factors affecting the accuracy and formulate reasonable control measures.Based on this,this paper discusses the influence factors and control measures of the accuracy in the process of Wuhan Rail Transit leveling.