Temperature effect of rock burst for hard rock in deep-buried tunnel

Guoqing Chen (), Tianbin Li (), Guofeng Zhang, Hongyu Yin and Hang Zhang

Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, 2014, vol. 72, issue 2, 915-926

Abstract: Much research has been conducted on the influence of rock burst mechanisms and temperature on the mechanical properties of hard rock while research on the effect of temperature on rock bursts is scarce. Therefore, this paper focuses on Rock Burst Proneness Index tests and acoustic emission (AE) tests under the action of high temperature. It was found that the Rock Burst Proneness Index and the AE energy will rise as the temperature rises. It means that the degree of rock burst is increasing instead of decreasing with rising temperature. The research results revealed the temperature effect of rock burst in long deep tunnels under a certain thermal stress condition, which is helpful for explaining the rock burst disaster in tunnels at high ground temperature. Copyright Springer Science+Business Media Dordrecht 2014

Keywords: Rock burst; High ground temperature; Acoustic emission; Deep-buried tunnel (search for similar items in EconPapers)
Date: 2014
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Citations: View citations in EconPapers (5)

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DOI: 10.1007/s11069-014-1042-6

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