ソイルセメントを用いた三層緩衝構造の限界状態および荷重分散領域に関する実験的検討

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  • Experimental study on ultimate absorbing behavior and distributed area of impact force regarding TLAS using soil cement
  • ソイルセメント オ モチイタ サンソウ カンショウ コウゾウ ノ ゲンカイ ジョウタイ オヨビ カジュウ ブンサン リョウイキ ニ カンスル ジッケンテキ ケントウ

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In order to investigate impact response behavior of a three-layer absorbing system (TLAS) with soil cement at the ultimate state and to develop a design concept of the system, falling-weight impact test was conducted varying impact velocity of the weight. From this study, it was confirmed that the loading level can be categorized into two classes: 1) Level 1 stage in which the geotextile can widely disperse the impact force and EPS block can effectively absorb the impact energy; and 2) Level 2 stage in which the impact force was locally concentrated in the loading area due to geotextile being broken and safety of the protection wall should be confirmed.

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