地下导线起始方位角误差对隧道贯通精度的影响

Underground Azimuth Angle Influenced by the Definite Direction Accuracy of Tunnels

结合地下隧道工程贯通测量技术,针对平面贯通测量的联系三角形法,对隧道平面贯通定向精度的影响因素进行分析,并得出了有工程实际价值的结论。

Several valuable engineer situation conclusions relating to triangle method were given, combining the triangular method technique of tunnel survey, through analysising the influence factor about tunnel definite direction accuracy.