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| THE APPLICATION OF SEISMIC CT TECHNOLOGY IN THE EXPLORATION OF COALFIELED MINED-OUT AREA OF LONG-PAI-CHONG TUNNEL |
| CAO Yun-yong |
| Second Institute Of China Railway Engineering Group Co., Ltd., Chengdu 610031, China |
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Abstract The frequent collapse incidents of coalfield mined-out areas in recent years have severely threatened the safety and security of life and property,as well as those of railway construction.As a result,it is of great significance to search out the buried depth,location and spatial extension scope of coalfield mined-out areas for better instructions and management.This paper intends to briefly explain the principles of seismic computerized tomography in the first place,then discuss the applied effects of seismic tomography in combination with railway construction cases.
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Received: 30 August 2012
Published: 10 November 2012
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