断面测量系统在隧道围岩变化量测中的应用

Application of Cross-section Measurement System in Measurement of Wall Rock's Change of Tunnel

研究目的:采用徕卡断面测量系统对隧道围岩净空位移变化进行量测,该断面测量系统的机载软件能自动采集隧道围岩净空位移变化数据,再利用其后处理软件进行数据分析与处理,可以快捷地获得隧道围岩变化量测结果,并以准确直观的图形和数据表输出,为隧道围岩的稳定性判断和施工提供依据。研究结论:采用断面测量系统进行围岩净空位移量测是可行的,在判定隧道围岩的稳定性、支护效果、发现变异等方面取得了良好的效果,保证了数据的准确性和可靠性,减少了人为误差,为隧道施工提供了科学合理的数据依据,保证了施工安全和施工质量,加快了施工进度,也为优化隧道设计提供了重要依据。

Research purposes： Using Leica cross-section measurement system to measure the clearance displacement change of the wall rock of tunnel can rapidly obtain the measured result of the wall rock＇s change of tunnel with giving the visual and accurate grapy table and data because the pre-installed software of the system can automatically collect the data on the clearance displacement change and the data can be analyzed and processed by post-processing software.This measured result can be the basis for judgment of the stability of wall rock and for construction.Research conclusions：Using Leica cross-section measurement system to measure the clearance displacement change of the wall rock of tunnel is feasible,getting good results in judgments of the stability of wall rock and the support effect and also in finding the change of the wall rock.By using this system,the accuracy and reliability of the data can be improved and the manual error can be reduced,so the measured result from this system can be as scientific and reasonable basis for tunnel construction to ensure the construction quality and security and speed up the process of tunnel construction,and also can be as the important basis for optimizing the tunnel design.