平均すべり面強度定数の算定方法について

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タイトル別名
  • Methods for Estimating the Parameters of Average Shear Strength alnog the Slip Surface
  • ヘイキンスベリメン キョウド テイスウ ノ サンテイ ホウホウ ニ ツイテ

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抄録

The strength parameters obtained from shear tests are only treated as reference data in the stability analysis of the landslide. In order to increase accuracy of the analysis, these parameters are directly or indirectly necessary for the estimation of design strength parameters.<BR>In the present report, paying special attention to the slickenside and fully softened clay seams in the slip surface and joint surface, the authors pointed out the significance of the relation between the shear stress mobilized along the slip surface and three strengths, namely the residual, peak and fully softened strengths. They also proposed methods to determine the parameters of average shear strength, where the residual strength and other strengths, Mohr-Coulomb equation, and the residual factor R were all introduced into the c'-φ'relationship that was obtained by the back analysis. Last of all, rationality of the abovementioned methods was also confirmed by applying the methods into examples of actual landslides.

収録刊行物

  • 地すべり

    地すべり 20 (4), 1-6_1, 1984

    公益社団法人 日本地すべり学会

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