構造工学論文集 A
Online ISSN : 1881-820X
衝撃・衝突・爆発:論文
砂質土で構築した小型落石防護土堤の重錘衝突実験
鈴木 健太郎牛渡 裕二松尾 和茂前田 健一今野 久志
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2020 年 66A 巻 p. 951-962

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In this study, a weight-impact test was conducted on a small-scale model constructed of sandy soil to collect the basic data to understand the rockfall trapping performance of a rockfall protective soil embankment. The results obtained from this study were as follows: (1) when the weight collides with soil embankment, the behavior can be divided into the penetration and the run-up. In addition, the run-up behavior consists of translational and rotational movements; (2) the penetration level of the weight in the case of steep slope is higher than gentle slope. Furthermore, the translational and rotational movements speed are reduced, and the run-up resistance increases; (3) when the weight collides with, multiple slip lines are generated inside the soil embankment.

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