強震をうける1自由度系の正負2方向の損傷分布に関する研究

書誌事項

タイトル別名
  • DAMAGE DISTRIBUTION LAW IN TWO DIRECTIONS OF SINGLE-DEGREE SYSTEMS UNDER STRONG GROUND MOTIONS
  • キョウシン オ ウケル 1ジユウドケイ ノ セイフ 2ホウコウ ノ ソンショウ

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抄録

The authors have already proposed a basic law that governs damage distributions in elastic-perfect plastic shear-type models as a function of structure's strength distributions. In this paper, one quarter of the energy input due to ground motions is assumed to be absorbed first by plastic deflection in one direction, and then the rest of energy is assumed to be distributed throughout the following reversals of plastic deflection according to the damage distribution law. Thus the concentration of plastic deformation in one direction, and the maximum and residual deformations in one-degree-of-freedom systems with various kinds of force-deformation curves are determined in a quantitative manner.

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