2003
DOI: 10.5194/nhess-3-515-2003
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Slope stability monitoring from microseismic field using polarization methodology

Abstract: Abstract. Numerical simulation of seismoacoustic emission (SAE) associated with fracturing in zones of shear stress concentration shows that SAE signals are polarized along the stress direction. The proposed polarization methodology for monitoring of slope stability makes use of three-component recording of the microseismic field on a slope in order to pick the signals of slope processes by filtering and polarization analysis. Slope activity is indicated by rather strong roughly horizontal polarization of the … Show more

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Cited by 26 publications
(25 citation statements)
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“…Whereas, only a few applications exist at the slope scale and are mainly related either to open mines, quarries or volcano flanks (Hardy and Kimble, 1991;Kennedy and Niermeyer, 1971), with some rare exceptions concerning rocky cliff instabilities (Kolesnikov et al, 2003Eberhardt et al, 2004;Amitrano et al, 2005) and mudslides (Amitrano et al, 2007;Dixon et al, 1996Dixon et al, , 2003. In particular, Amitrano et al (2005) have shown that microseismic monitoring is able to give interesting insights to gravitational instability and, in some cases, to provide failure precursory patterns useful for failure forecasting and hazard assessment.…”
Section: Amitrano Et Al: Microseismic Activity Analysis In Unstabmentioning
confidence: 99%
See 1 more Smart Citation
“…Whereas, only a few applications exist at the slope scale and are mainly related either to open mines, quarries or volcano flanks (Hardy and Kimble, 1991;Kennedy and Niermeyer, 1971), with some rare exceptions concerning rocky cliff instabilities (Kolesnikov et al, 2003Eberhardt et al, 2004;Amitrano et al, 2005) and mudslides (Amitrano et al, 2007;Dixon et al, 1996Dixon et al, , 2003. In particular, Amitrano et al (2005) have shown that microseismic monitoring is able to give interesting insights to gravitational instability and, in some cases, to provide failure precursory patterns useful for failure forecasting and hazard assessment.…”
Section: Amitrano Et Al: Microseismic Activity Analysis In Unstabmentioning
confidence: 99%
“…A minimum of four uniaxial transducers are required for epicentre location (location in the horizontal plane), leaving the source depth undetermined, and a minimum of five uniaxial transducers is required for three dimensional or hypocentre location (Hardy, 2003). Single triaxial geophones can be used for locating sources applying the polarization technique (Kolesnikov et al, 2003). (Fig.…”
Section: Characteristics Of a Microseismic Monitoring Systemmentioning
confidence: 99%
“…Understanding the origin and evolution of such instabilities implies the continuous monitoring of the various parameters characterizing the deformation process and its environment. Studies of rock slope stability often involve the monitoring of displacements (e.g., Kennedy and Niermeyer, 1970;Bhandari, 1988;Brunner et al, 2000;Mayer et al, 2000;Zvelebil and Moser, 2001) or morphological changes (Mikos et al, 2005;Dewez et al, 2007;Collins and Sitar, 2008) and less frequently the seismic monitoring, which was performed earlier for unstable slopes in open mines (Kennedy and Niermeyer, 1970;Hardy and Kimble, 1991) and more recently for natural slopes or cliffs (Willenberg et al, 2002;Senfaute et al, 2003;Kolesnikov et al, 2003;Eberhardt et al, 2004;Amitrano et al, 2005;Roth et al, 2005;Brückl and Mertl, 2006;Spillmann et al, 2007;Willenberg et al, 2008;Senfaute et al, 2009). Most of these studies were devoted to the monitoring and study of discrete seismic events.…”
Section: Introductionmentioning
confidence: 99%
“…; Ding et al, 2004;Kui et al, 2007), Aev amplitude, Aev duration, a characteristic time value (upset, decrease, etc. (Majeed and Murthy, 2001;de Ronde et al, 2007), Aev energy and cumulate energy, and the location of Aev sources within the samples.…”
Section: A Few Definitions and A Short Storymentioning
confidence: 99%