摘要
详细推导了加设支洞时的隧道贯通测量的精度估算公式,该公式不仅考虑了测角量边精度对隧道测量的影响,而且还考虑了洞外控制点的精度对隧道测量的影响-公式推导严密,最后得出了一些有价值的结论.
The formular for estimating accuracy of tunnel breaking-through survey in branch tunnel is derived in detail.This formular considers the influence caused not only by the angular accuracy and the distance one on this kind of survey,but also that caused by the accuracy of control point outside the tunnel.The formular is derived rigorously.Finally,some conclusions are obtained.
作者
陆付民
陶光贵
Lu Fumin;Tao Guanggui(Department of Architecture and Engineering,Wuhan University of Water Resources and Electric Power(Yichang),443002)
关键词
支洞
贯通测量
精度估算
隧道
branch tunnel
breaking-through survey
accuracy estimation
