単粒度砕石を充填したジオセルの緩衝効果に関する実験的研究

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  • Experimental study for absorbing effects of Geocell wall filled with one-size aggregate
  • タンリュウド サイセキ オ ジュウテン シタ ジオセル ノ カンショウ コウカ ニ カンスル ジッケンテキ ケンキュウ

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In this paper, to investigate the absorbing effects of a new absorbing system by means of Geocell filled with one-size aggregate, the impact loading tests of the new system were conducted. Here, to measure the transmitted impact stresses, total 24 load-cells were embedded in the rigid wall behind the new system. The high speed camera was also used to precisely record the impact resistant behaviors of the system. From this study, the following results were obtained: (1) maximum impact force can be better evaluated by means of Hertz contact theory with Lame's constant λ = 1,500 kN/m2; and (2) transmitted stress was distributed within both sides of 1,000 mm in the horizontal direction from impact loading point and the maximum transmitted stress was developed at a slightly lower position from the loading point.

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