长大地铁隧道控制网测量及贯通测量误差分析

Measurement of the Control Network of the Long Ssubway Tunnel and Analysis of the Error of the BreakthroughMeasurement

文章深入研究了长大地铁隧道控制网的测量技术及其在贯通测量中的误差分析,特别关注井上井下坐标传递的复杂性及其对测量准确性的影响。通过实际案例的深入分析,探讨了地铁隧道控制网测量中的误差来源,并提出了相应的误差控制策略和解决方案。此外,文章还讨论了新的测量技术在实际工程中的应用,为类似工程提供参考。

This paper deeply studies the measurement technology of the long subway tunnel control network and its error analysis in the penetration measurement,pays special attention to the complexity of the above-ground and underground coordinate transmission and its influence on the measurement accuracy,discusses the error source in the measurement of the subway tunnel control network through the in-depth analysis of the actual case,and proposes the corresponding error control strategies and solutions.In addition,the article also discusses the application of new measurement techniques in practical engineering,provides effective guidance and promotion value for similar projects.