›› 2006, Vol. 27 ›› Issue (S1): 333-338.

• Fundamental Theroy and Experimental Research • Previous Articles     Next Articles

Rock stability analysis and site monitoring of mechanical behavior for excavation of closely adjacent tunnels

LI Li-ping1, LI Shu-cai1, ZHANG Qing-song1, MA Fu-kui2   

  1. 1. Research Center of Geotechnical and Structural Engineering, Shandong University, Jinan 250061, China; 2. The Thirteenth Bureau of China Railway Group, Dalian 116033, China
  • Received:2006-05-27 Published:2006-12-15

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Abstract: The mechanical behavior of supporting system for closely adjacent tunnels is the direct indication of its safety in the excavation of diverging tunnels; combined practical work of Miaoya diverging tunnel with small interval in Hu-Rong Expressway, the lateral reinforcement theory of inter-space rock and site monitoring of closely adjacent tunnels are introduced; based on the results, the deformation of surrounding rock and mechanical behavior of supporting system are presented; together with the study on the field experiments for blasting vibration of inter-space rock, the stability of closely adjacent tunnels is evaluated; and the conclusions obtained will devote to the following studies.

Key words: diverging tunnel, closely adjacent tunnels, mechanical behavior of supporting system, site monitoring analysis

CLC Number: 

  • U 452
  • Please send e-mail to pingzhou3@126.com if you would like to read full paper in English for free. Parts of our published papers have English translations.
[1] MA Fu-kui , LIU Tao , LI Li-ping ，. Excavation mechanics simulation and site monitoring analysis of large-span shallow tunnel [J]. , 2006, 27(S1): 339-343.
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