The Probe Technology and Counter Measures of Goaf of Colliery Area in Tongluoshan Tunnel

Abstract:

During the construction of Tongluoshan Tunnel of the 6th light rail line in Chongqing, collapse of goaf of colliery area occurred which affects the construction and permanent safety heavily. Advanced geological prediction were done with ground penetrating radar to probe the goaf’s location, scale and characters of underground water and filling articles, then countermeasures such as advanced pipe roof supporting, goaf stowing, wall rock and filling articles’ voids grouting was applied；after that，supporting plan was adjusted to ensure construction safety with the data from monitoring whose result proves the availability of above prediction technology and countermeasures to similar goaf.

• Periodical: Applied Mechanics and Materials (Volumes 204-208)
• Pages: 1419-1422
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.204-208.1419
• Online since: October 2012
• Authors: Xin Bin Zhang
• Keywords: Advanced Geological Prediction, Countermeasure, Goaf of Colliery Area, Monitoring, Tongluoshan Tunnel

References

[1] LI Shucai , ZHANG Xiao, ZHANG Qingsong , et. al. Research on Mechanism of Grout Diffusion of Dynamic Grouting and Plugging Method in Water Inrush of Underground Engineering. Chinese Journal of Rock Mechanics and Engineering[J], 2011, 30(12): 2377-2396(in Chinese).

[2] LI Zhiguo. Stability Analysis and Reinforcement Technology of Mined-out Area in Tieshan Tunnel[J]. Chinese Journal of Rock Mechanics and Engineering, 2002, 21(8): 1168-1173(in Chinese).

[3] TIAN Hongming, CHEN Weizhong, TAN Xianjun , et. al. Study of Reasonable Support Scheme for Soft Rock Tunnel in High GeostresS Zone[J]. Chinese Journal of Rock Mechanics and Engineering, 2011, 30 (11): 2285-2292(in Chinese).

[4] MENG Lubo, LI Tianbin, and DUAN Zheng. Transient Electromagnetic Response Features of Unfavorable Geological Body in Tunnel Geological Prediction[J]. China Railway Science, 2011, 32 (6): 69-75(in Chinese).

[5] HOU Yanjuan, ZHANG Dingli, and CHEN Fengbin. Study of Mechanism and Prediction of Grouting Uplift in Tunnel Construction Undercrossing Buildings[J]. Chinese Journal of Rock Mechanics and Engineering, 2011, 30 (12): 2407-2415(in Chinese).

[6] GAO Jian, ZHANG Yitong. Stability Analysis of Tunnel Face Reinforced with Advanced Pipe Grouting[J]. Journal of Tianjin University, 2009, 42（8）: 666-672(in Chinese).