Analysis on Earthquake Damage Forms and Affecting Factors of Underground Cavern

Hua Chun Ren; Zhen Zhong Shen

doi:10.4028/www.scientific.net/AMM.204-208.2444

Paper Titles

Comparative Study on Major Damage Index Models
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Pseudo-Dynamic Testing Method Based on External Displacement Control
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Implementation of Data Record Simultaneously in Seismic PSD Test
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Numerical Simulation of Tectonic Stress Field in Longmenshan Tectonic Belts after Earthquake
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Analysis on Earthquake Damage Forms and Affecting Factors of Underground Cavern
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Experimental Study on Seismic Performance of Connections between T-Shaped Concrete-Filled Steel Column and Steel Beam
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Seismic Response of Slab Culvert in Loess Region
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The Site Effect Analysis of Semi-Cylindrical Canyons and Soft Alluvial Basins by H/V Spectral Ratio
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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 204-208Analysis on Earthquake Damage Forms and Affecting...

Analysis on Earthquake Damage Forms and Affecting Factors of Underground Cavern

Abstract:

According to the information about underground damage in earthquake all over the world, it is summarized that earthquake damage is caused by mountain slope failure, the collapse of cavern’s export, dislocation damage of cavern’s cross-section, great displacement along the fault intersection, spalling of surrounding rock, disturbance or deformation of the support and lining system, et. The earthquake damage factors of underground cavern were analyzed by using numerical simulation techniques. It is shown that when the earthquake intensity value is high, or the initial stress field is small, or lining stiffness is high, the underground will more easily be destroyed by earthquake. Compared with the square tunnel and horseshoe-shaped tunnel, dynamic stability of circular tunnel is better. The export of cavern is vulnerable to earthquake damage.

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Periodical:

Applied Mechanics and Materials (Volumes 204-208)

Pages:

2444-2448

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.204-208.2444

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Online since:

October 2012

Authors:

Hua Chun Ren, Zhen Zhong Shen

Keywords:

Earthquake Damage, Factor, Numerical Simulation, Underground Cavern

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