ポリスチレンコンクリートの緩衝材料としての利用に関する研究

書誌事項

タイトル別名
  • Study on the Use of Polystyrene Concrete for Fender Layer Protection.
  • ポリスチレン コンクリート ノ カンショウ ザイリョウ トシテノ リヨウ ニ

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抄録

The usefulness of polystyrene aggregate concrete made of polystyrene beads and cement mortar, to absorb energy and to reduce contact loads during hard impact at low velocities has been investigated with a drop hammer impact rig.<br>The influences of the mix proportions of polystyrene concrete, velocity of impactor (a solid shaped 31.6kg cylindrical mass) onto polystyrene concrete blocks and the thickness of polystyrene concrete specimens which were rigidly supported on a concrete base, on the contact force at impact, were investigated experimentally.<br>The tests results show that polystyrene concrete has excellent energy-absorbing properties for reducing the contact loads while prolonging the duration of impact. So, an overlying layer of this material could provide protection to a structure by dissipating a large amount of energy, thereby decreasing the impact force transmitted to the structure.

収録刊行物

  • 材料

    材料 40 (456), 1185-1190, 1991

    公益社団法人 日本材料学会

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