Results 181 to 190 of about 5,337 (229)
Estimating rockfall and block volume scenarios based on a straightforward rockfall frequency model
Engineering Geology, 2022 Luuk Dorren +2 more
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Spatial and temporal rockfall activity in a forest stand in the Swiss Prealps—A dendrogeomorphological case study [PDF]
Geomorphology, 2006 Rockfall is a major threat to settlements and transportation routes in large parts of the Alps. While protective forest stands in many locations undoubtedly reduce rockfall risk, little is known about the exact frequency and spatial distribution of ...
Markus Stoffel
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2023
Abstract A major feature of the magnitude 7.9 Wenchuan earthquake of 12 May 2008 in China was the rockfalls that obliterated many kilometres of main roads, damaged power plants and destroyed transmission lines. The rockfalls would have made access to many dams impossible for long periods of time.
Jonathan Hinks, John M Reynolds
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Abstract A major feature of the magnitude 7.9 Wenchuan earthquake of 12 May 2008 in China was the rockfalls that obliterated many kilometres of main roads, damaged power plants and destroyed transmission lines. The rockfalls would have made access to many dams impossible for long periods of time.
Jonathan Hinks, John M Reynolds
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Practical studies on rockfall simulation by DDA [PDF]
Journal of Rock Mechanics and Geotechnical Engineering, 2011 In this paper, simulations of real rockfall by discontinuous deformation analysis (DDA) are conducted. In the simulations, the energy losses of rockfall are categorized into three types, i.e.
Ohnishi, Yuzo +7 more
exaly +2 more sources
2013
Table of content : Chapter 1. Geophysical detection and structural characterization of discontinuities in rock slopes. Chapter 2. Remote sensing and monitoring techniques for rock mass characterization. and change detection. Chapter 3. Mechanical stability analyses of fractured rock slopes. Chapter 4.
Lambert, Stéphane, Nicot, François
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Table of content : Chapter 1. Geophysical detection and structural characterization of discontinuities in rock slopes. Chapter 2. Remote sensing and monitoring techniques for rock mass characterization. and change detection. Chapter 3. Mechanical stability analyses of fractured rock slopes. Chapter 4.
Lambert, Stéphane, Nicot, François
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2010
Rockfalls are a type of fast mass movement common in mountain areas worldwide triggered. Natural triggers of rockfalls comprise earthquakes (Harp and Wilson 1995; Marzorati et al. 2002), freeze-thaw cycles of water (Gardner 1983; Matsuoka and Sakai 1999), melting of snow (Wieczorek and Jager 1996) or permafrost (Gruber et al. 2004), temperature changes
Guzzetti F, Reichenbach P
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Rockfalls are a type of fast mass movement common in mountain areas worldwide triggered. Natural triggers of rockfalls comprise earthquakes (Harp and Wilson 1995; Marzorati et al. 2002), freeze-thaw cycles of water (Gardner 1983; Matsuoka and Sakai 1999), melting of snow (Wieczorek and Jager 1996) or permafrost (Gruber et al. 2004), temperature changes
Guzzetti F, Reichenbach P
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Three-dimensional rockfall modelling and rockfall protection – Port Hills
Proceedings of the 2013 International Symposium on Slope Stability in Open Pit Mining and Civil Engineering, 2013After the February 2011 Christchurch earthquakes Geovert were commissioned by the Canterbury Earthquake Recovery Authority (CERA) to provide the desperately needed answers to the widespread rockfall hazard. Including how best to protect people and assets, how much will it cost and how long will it take.
Mathew Avery +2 more
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Estimating rockfall release scenarios based on a straightforward rockfall frequency model
2022<p>A realistic quantification of rockfall risk is crucial for an effective and efficient prevention of damages. The estimation of realistic block and event volumes as well as their release frequencies remain a major challenge and are often based on mere expert estimation.
Christine Moos +3 more
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Computer Simulation of Rockfalls
Environmental & Engineering Geoscience, 1989The Colorado Rockfall Simulation Program (CRSP) is a computer program written in BASIC which models rockfall behavior and provides a statistical analysis of rockfall simulations at a given site. This analysis can be used as a tool to study the behavior of rockfall, determine the need for rockfall mitigation, and design rockfall mitigation measures.
T. J. PFEIFFER, T. D. BOWEN
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Do Apparent "Precursory" Rockfalls Coincide with Large Rockfalls by Chance?
59th U.S. Rock Mechanics/Geomechanics SymposiumABSTRACT: Rockfalls present a hazard to infrastructure, particularly for slopes along major roadways. Rock slope monitoring studies have linked large failures with the presence of previous, smaller spatially co-located precursory rockfalls.
E. Longar, G. Walton, L. Weidner
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