Research of Safe Distance between Concealed Karst Cave and Tunnel

Yong Biao Lai; Chun Sheng Qiao; Chen Guang Bai

doi:10.4028/www.scientific.net/AMM.405-408.1283

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 405-408Research of Safe Distance between Concealed Karst...

Research of Safe Distance between Concealed Karst Cave and Tunnel

Abstract:

Based on the catastrophe theory, a research method of safe distance between concealed karst cave and tunnel is put forward. The stability of rock stratum between concealed karst cave and tunnel is evaluated by the catastrophe theory, the catastrophe mode of rock strata system destabilization is established through the research of rock stratum total potential energy between karst cave and tunnel, then the safe distance calculation formula between concealed karst cave and tunnel are deduced, which is veried by an engineering example.

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Periodical:

Applied Mechanics and Materials (Volumes 405-408)

Pages:

1283-1287

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.405-408.1283

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Online since:

September 2013

Authors:

Yong Biao Lai, Chun Sheng Qiao, Chen Guang Bai

Keywords:

Concealed Karst Cave, Energy Catastrophe, Safe Distance, Tunnel

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