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| The application research on the detection of karst disease of airport runway based on OCTEM |
| WANG Yin1, XI Zhen-Zhu2, JIANG Huan3, HOU Hai-Tao2, 3, ZHOU Sheng2, 3, FAN Fu-Lai3 |
1. The Third Railway Survey and Design Institute Group Corporation, Tianjin 300142, China;
2. School of Geosciences and Info-physics, Central South University, Changsha 410083, China;
3. Hunan 5D Geosciences Technique Co., Ltd., Changsha 410205, China |
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Abstract The potential karst disease of the airport runway is directly related to the carrying capacity and working life of the airport runway. According to the applied exploration cases of Guangzhou-Baiyun international airport, the opposing coils transient electromagnetic method in karst disease survey is proved to be fast and non-destructive under the background of airport noise and limitation of the site condition. Compared with conventional engineering geophysical prospecting method, the opposing coils transient electromagnetic method can effectively avoid the influence of airport aircraft landing noise while the seismic reflection wave method fails to do so, and it can work under the condition of poor ground while the high density resistivity method can not do so. What's more, it can detect deeper bodies while the geological radar method can not do so. In conclusion, the opposing coils transient electromagnetic method is a new effective detection method for the detection of hidden geological diseases in the airport runway.
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Received: 09 December 2016
Published: 10 April 2017
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