Review of Slope Monitoring by Acoustic Emission

LI Gang; XIAO Fan; LIU Hao; HU Ming-bing; ZHAO Kui

doi:10.11988/ckyyb.20170008

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Journal of Changjiang River Scientific Research Institute ›› 2018, Vol. 35 ›› Issue (11) : 57-62. DOI: 10.11988/ckyyb.20170008

ENGINEERING SAFETY AND DISASTER PREVENTION

Review of Slope Monitoring by Acoustic Emission

LI Gang^{1, 2}, XIAO Fan^{1, 2}, LIU Hao^{1, 2}, HU Ming-bing^{1, 2}, ZHAO Kui^{1, 2}

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Abstract

The unique advantages of acoustic emission (AE) technology in signal collection and positioning of slope collapse failure are expounded by analyzing and summarizing existing slope monitoring technologies. By detailing the development and current situation of AE slope monitoring technology, the influential factors of AE slope monitoring are put forward. Case analysis demonstrates that AE technology could not only locate slip surface, but also can be used to judge the failure state by classifying the acoustic emission parameters into different damage levels. In addition, problems in waveguide, coupling agent, and sensor arrangement are pointed out. The selection of waveguide and coupling materials, the arrangement of sensors, and the correlation between acoustic emission from coupling material and surrounding rock mass are to be further studied and explored.

Key words

slope monitoring / acoustic emission / waveguide / coupling material / slip plane positioning

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LI Gang, XIAO Fan, LIU Hao, HU Ming-bing, ZHAO Kui. Review of Slope Monitoring by Acoustic Emission[J]. Journal of Changjiang River Scientific Research Institute. 2018, 35(11): 57-62 https://doi.org/10.11988/ckyyb.20170008

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