Transactions of the Japan Society for Computational Engineering and Science
Online ISSN : 1347-8826
ISSN-L : 1344-9443
Three-dimensional simulation of rockfall motion with consideration of roughness of the slope surface
Yukinari NISHIKAWAHiroshi MASUYAYuuko MORIGUTI
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JOURNAL FREE ACCESS

2012 Volume 2012 Pages 20120003

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Abstract
The estimation of risk due to rockfall is often done empirically. Rockfall simulation helps to describe the motion of rockfall on a slope. This paper details a typical simulation method and analysis of the manner of rockfall. Fundamental idea is concretely shown to consider the roughness of the slope surface to reproduce the state that is close to the real slope. A treatment method of the roughness at the moment of the collision between a rockfall and a slope was developed. The method expressed the roughness of the slope by adding an angle in the normal vector of the triangular plane. The validity of proposed simulation method becomes clear by the application to rockfalls on a simple slope.
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© 2012 The Japan Society For Computational Engineering and Science
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