人行天桥的放线及精度分析

Setting-out and Precision Analysis about Wuyangba Pedestrian Bridge

根据平面设计图放线点的相对位置 (以长度和角度表示 ) ,利用平面直角坐标系 ,理论上确定各放线点在极坐标系上的位置 ,用仪器实地定点 ,完成测设任务 .同时对施工、放线精度和可能出现的误差进行分析 。

According to the relative location among the setting-out points in the plain plan, this paper calculates the theoretic coordinates of each setting-out point in assumed polar coordinate system, and set it out with total station. In addition, the precision of the setting-out to make it standard and optimization is analyzed.