地铁区间隧道盾构法施工中的测量关键技术

Key Measurement Techniques in Shield Tunneling Construction of Subway Section Tunnels

地铁区间隧道盾构法施工中,容易受多种因素影响出现误差,降低工程施工质量,亟需采取恰当测量技术,指导施工操作。基于此,文章以重庆轨道交通15号线二期工程为例,简要阐述盾构法施工测量误差因素,以此为基础,提出施工测量关键技术及测量控制、联系测量方法,以期为相关工作者提供参考,从而保证地铁隧道贯通准确性,验证所用测量技术可靠性。

In the construction of shield tunneling in subway sections,errors are easily affected by various factors,which can reduce the quality of construction.It is urgent to adopt appropriate measurement techniques to guide construction operations.Based on this,the article takes the Chongqing Metro Line 15 Phase II project as an example to briefly explain the measurement error factors of shield tunneling construction.Based on this,key construction measurement technologies,measurement control,and connection measurement methods are proposed to provide reference for relevant workers,ensuring the accuracy of subway tunnel penetration and verifying the reliability of the measurement technology used.