索结构外文文献 一种新型落石防护索网结构的试验、数值和分析模拟.pdf

Nat.Hazards Earth Syst.Sci. 11 3197-3212 2011 .nat-hazards-earth-syst-sci.net/11/3197/2011/ Natural Hazards doi:10.5194/nhess-11-3197-2011 and Earth ©Author(s)2011.CC Attribution3.0 License. System Sciences Experimental numerical and analytical modelling of a newly developed rockfall protective cable-net structure S.Dhakal " N.P.Bhandary2 R.Yatabe2 and N.Kinoshita2 IGraduate School of Science and Engineering Ehime University Matsuyama Japan 2Department of Civil and Environmental Engineering Ehime University Matsuyama Japan 'currently on study leave:Nepal Engineering College Pokhara University Bhaktapur Nepal Received:1 August 2011 -Revised:13 September 2011-Accepted:26 October 2011 -Published:7 December 2011 Abstract.An innovative configuration of pocket-type rock-for instance in the Alps.Despite being a small-volume haz- fall protective cable-net structure known as Long-span ard it has been covering a wide range of technical and sci- Pocket-type Rock-net (LPR) has been developed in Japan.entific literatures.Rockfall analysis/simulation (e.g.Giani The global performance of the proposed system was initially 1992;Evans and Hungr 1993;Azzoni et al. 1995;Giani checked by the experimental (full-scale)modelling.Given et al. 2004;Ushiro 2006)characterises the various possible the various limitations of the physical experiments particu-block trajectories and yields the information such as run- larly for the parametric study to have a detailed understand-out lengths bounce heights...