铁山隧道采空区稳定性分析及治理技术研究

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Abstract Tieshan tunnel of the Bapeng road is located in Daxiang of Shichuan province with the total length of 2 099 m. The tunnel passes through coal mined-out area K17-1，K21 and K24. The deformation，cracking，alteration and falling occur at the secondary lining at the station of K140+527～608 due to the influence of mined-out area，underground water and other factors，which do harm to the traffic safety，and must be cured. The stability of roof rocks of mined-out area is analysed according to engineering geological conditions and the reinforcement technology of mined-out area is presented.

Key words： tunnel mined-out area deformation failure reinforcement

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	Li Zhiguo

Cite this article:

Li Zhiguo. STABILITY ANALYSIS AND REINFORCEMENT TECHNOLOGY OF MINED-OUT AREA IN TIESHAN TUNNEL[J]. , 2002, 21(08): 1168-1173.

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https://rockmech.whrsm.ac.cn/EN/Y2002/V21/I08/1168