隧道综合超前地质预报技术及其工程应用

doi:10.6040/j.issn.1672-3961.0.2016.254

Abstract

Abstract: According to the question that the results from the single advanced prediction method for karst tunnel prediction were different from the actual excavation, the integrated advanced geological prediction technology was proposed to improve the accuracy to unfavorable geologic bodies. Macroscopic geological analysis, TSP(tunnel seismic prediction)method, ground penetrating radar, observation of the tunnel face and the method of advance borehole drilling were combined in advanced geological prediction for tunnel. The integrated advanced geological prediction could give full play to the advantages of each prediction method and improve the accuracy. The research results were successfully applied on advanced geological prediction work in the Liwan highway Moudao Connecting Road Qiyueshan Tunnel. It avoided the casualties and property losses. The large karst cave filled with water and mud in front of the tunnel face of mileage GK0+708~GK0+720 was taken as an example. The process of the integrated advanced geological prediction was detailed and some effective measures were taken to avoid the collapse and the inrush of mud. The study can guide the advanced geological prediction of other similar karst regions.

Key words: macroscopic geological analysis, integrated advanced geological prediction, karst cave filled with water and mud, observation of the tunnel face, karst tunnel, Qiyueshan Tunnel

CLC Number:

U459.2

ZHOU Lun, LI Shucai, XU Zhenhao, LI Liping, HUANG Xin, HE Shujiang, LI Guohao. Integrated advanced geological prediction technology of tunnel and its engineering application[J].JOURNAL OF SHANDONG UNIVERSITY (ENGINEERING SCIENCE), 2017, 47(2): 55-62.

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