公路施工边桩控制测量方法

The Side Stake Control Measure Method in the Highway Construction

公路工程施工中 ,公路线形一般由中桩控制 ,公路宽度是用钢尺自中桩向两侧丈量。由于人工掌握路线 ,竖直方向容易产生误差 ,进而引起公路线形和宽度有误差 ;同时施工中中桩常受到机械破坏 ,造成重复测量 ,增加工作量。为此 ,采用边桩控制路形和施工的计算公式、放样方法 ,通过实际应用 ,证明该方法测量速度快、精度高、提高施工效率 ,适用于高等级公路施工测量。

In the construction of the highway project, the highway line is generally controlled by the middle stakes and the width of highway is measured with a steel ruler from the middle stakes to both sides. Because the line is controlled by persons, errors are easily produced in the vertical direction, causing errors of the highway line and width. The middle stakes are destroyed by equipment during the construction, causing repeated measures and increasing work amount. So it is necessary to adopt the side stake control method and calculation formula and lofting method. The practical uses prove that using such methods have the advantages of fast measure with high accuracy and improvement of work efficiency. They are suitable for measure in the construction of high-class highways.