書誌事項
- タイトル別名
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- Impact force propagation behaviors of rock into horizontal granular mat with different falling conditions using 2D- DEM
抄録
Cushioning materials, such as granular mats and sand mats placed on rock sheds, are attracting attention as construction devices that can effectively disperse and reduce rock fall energy before rocks collide with protection works. To support performance-based designs for rock fall countermeasures, the present study estimated rock fall behaviors and impact forces using the discrete element method (DEM), and investigated a parameter determination method for the rational use: especially, damping factor was focused. The effects of loading conditions were also examined, such as shape of falling mass and its velocity, by considering the accumulated impulse and rate dependency of load-displacement of granular mat.
収録刊行物
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- 土木学会論文集Ａ２（応用力学）
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土木学会論文集Ａ２（応用力学） 68 (2), I_443-I_454, 2012
公益社団法人 土木学会
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詳細情報 詳細情報について
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- CRID
- 1390282680326521728
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- NII論文ID
- 130004557287
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- ISSN
- 21854661
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可