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Open AccessArticle

A Low-Cost Energy-Efficient Cableless Geophone Unit for Passive Surface Wave Surveys

1
State Key Laboratory of Disaster Reduction in Civil Engineering, Tongji University, 1239 Siping Rd., Shanghai 200092, China
2
State Key Laboratory for GeoMechanics and Deep Underground Engineering, Xuzhou 221008, China
3
State Key Laboratory of Petroleum Resources Research, Institute of Geology and Geophysics, Chinese Academy of Sciences, Beijing 100029, China
4
University of North Texas, 3940 N. Elm Street F115M, Denton, TX 76207, USA
*
Author to whom correspondence should be addressed.
Academic Editor: Thomas Schumacher
Sensors 2015, 15(10), 24698-24715; https://doi.org/10.3390/s151024698
Received: 13 April 2015 / Revised: 8 September 2015 / Accepted: 17 September 2015 / Published: 25 September 2015
The passive surface wave survey is a practical, non-invasive seismic exploration method that has increasingly been used in geotechnical engineering. However, in situ deployment of traditional wired geophones is labor intensive for a dense sensor array. Alternatively, stand-alone seismometers can be used, but they are bulky, heavy, and expensive because they are usually designed for long-term monitoring. To better facilitate field applications of the passive surface wave survey, a low-cost energy-efficient geophone system was developed in this study. The hardware design is presented in this paper. To validate the system’s functionality, both laboratory and field experiments were conducted. The unique feature of this newly-developed cableless geophone system allows for rapid field applications of the passive surface wave survey with dense array measurements. View Full-Text
Keywords: cableless geophone; surface wave; low cost; energy consumption; validation test cableless geophone; surface wave; low cost; energy consumption; validation test
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MDPI and ACS Style

Dai, K.; Li, X.; Lu, C.; You, Q.; Huang, Z.; Wu, H.F. A Low-Cost Energy-Efficient Cableless Geophone Unit for Passive Surface Wave Surveys. Sensors 2015, 15, 24698-24715.

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