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| THE APPLICATION OF 3D DIRECT CURRENT SURVEY TO THE PROSPECTING OF SUBSURFACE AIR-RAID SHELTERS |
| XU Xin-gang, YUE Jian-hua, Wu Jie |
| Institute of Resources, China University of Mining and Technology, Xuzhou 221008, China |
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Abstract This paper deals with the theory and measuring technique of 3-D direct current survey used in environmental and engineering survey. With the prospecting of obsolete air-raid shelters in Xuzhou Xinhua Book Store as an example, the paper points out that 3-D direct current survey is an effective method in engineering survey.
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Received: 20 July 2003
Published: 24 April 2004
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