Numerical Simulations of Rockfall Protection Retaining Wall Joined to Steel-Pile Foundation

Satoru Yamaguchi; Hiroaki Nishi; Hisashi Kon-No; Shin Ya Omote; Norimitsu Kishi; Yuji Ushiwatari

doi:10.4028/www.scientific.net/AMM.82.716

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 82Numerical Simulations of Rockfall Protection...

Numerical Simulations of Rockfall Protection Retaining Wall Joined to Steel-Pile Foundation

Abstract:

In Japan, many rockfall protection walls have been constructed along the nationalhighways in mountainous areas. Up till now, usually these were gravity-type walls. However, ifthere is not much space between the wall and the edge of the cliﬀ, it may not be easy to constructa normal type of wall. To rationally install the wall in these areas, a retaining wall connectedto a steel pile foundation attached to a two-layer absorbing system was recently developed.Here, in order to establish a rational design for this type of retaining wall, an impact responseanalysis was performed by means of three-dimensional elasto-plastic FE analysis. The two-layerabsorbing system used here is composed of a 15 cm thick reinforced concrete slab together with a50 cm thick expanded polystyrene (EPS) block. The retaining wall is connected to the steel pilesby inserting H-section steel members embedded in the wall. The applicability of the proposedFE analysis method was veriﬁed by comparing with the prototype impact test results.

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Periodical:

Applied Mechanics and Materials (Volume 82)

Pages:

716-721

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.82.716

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Online since:

July 2011

Authors:

Satoru Yamaguchi, Hiroaki Nishi, Hisashi Kon-No, Shin Ya Omote, Norimitsu Kishi, Yuji Ushiwatari

Keywords:

Impact Response Analysis, Pile Foundation, Rockfall Retaining-Wall

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References

[1] S. Yamaguchi, H. Nishi, H. Kon-no, N. Kishi, and Y. Ushiwatari: Weight impact test for rockfall protection wall jointed to steel-pile foundation with H-section steel, Proceedings of 3rd EuroMediterranean Symposium on Advances in Geomaterials and Structures, Djerba, Tunisia, May 10-12, Vol. 2, (2010), pp.361-366

DOI: 10.4028/www.scientific.net/amm.82.716

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