Development of a low-cost cableless geophone and its application in a micro-seismic survey at an abandoned underground coal mine

Kaoshan Dai; Xiaofeng Li; Chuan Lu; Qingyu You; Zhenhua Huang; H. Felix Wu

doi:10.1117/12.2085486

1 April 2015 Development of a low-cost cableless geophone and its application in a micro-seismic survey at an abandoned underground coal mine

Kaoshan Dai, Xiaofeng Li, Chuan Lu, Qingyu You, Zhenhua Huang, H. Felix Wu

Author Affiliations +

Proceedings Volume 9437, Structural Health Monitoring and Inspection of Advanced Materials, Aerospace, and Civil Infrastructure 2015; 94371I (2015) https://doi.org/10.1117/12.2085486
Event: SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, 2015, San Diego, California, United States

Abstract

Due to the urbanization in China, some building construction sites are planned on areas above abandoned underground mines, which pose a concern for the stability of these sites and a critical need for the use of reliable site investigations. The array-based surface wave method has the potential for conducting large-scale field surveys at areas above underground mines. However, the dense deployment of conventional geophones requires heavy digital cables. On the other hand, the bulky and expensive standard stand-alone seismometers limit the number of stations for the array-based surface wave measurements. Therefore, this study developed a low-cost cableless geophone system for the array-based surface wave survey. A field case study using this novel cableless geophone system was conducted at an abandoned underground mine site in China to validate its functionality.

Citation Download Citation

Kaoshan Dai, Xiaofeng Li, Chuan Lu, Qingyu You, Zhenhua Huang, and H. Felix Wu "Development of a low-cost cableless geophone and its application in a micro-seismic survey at an abandoned underground coal mine", Proc. SPIE 9437, Structural Health Monitoring and Inspection of Advanced Materials, Aerospace, and Civil Infrastructure 2015, 94371I (1 April 2015); https://doi.org/10.1117/12.2085486

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KEYWORDS

Mining

Receivers

Wireless communications

Civil engineering

Prototyping

Amplifiers

Clocks

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