MEDIUM-SCALE LOADING TESTS AND NUMERICAL ANALYSES OF CAISSON TYPE PILE UNDER LATERAL LOADING CONDITION ON SLOPE OF MEDIUM-HARD ROCK

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Other Title
  • 中硬岩地盤の急傾斜地における深礎の水平支持力特性に関する中規模載荷実験と数値解析

Abstract

 This study focuses on the lateral resistance of caisson type pile of power transmission towers on steep slope subjected to lateral loading. Two medium-scale lateral loading tests were conducted in medium-hard discontinuous rock slopes of 30 and 50 degrees respectively. In order to estimate mechanical properties of discontinuous rock mass, scale effect and variability of shear strength and Young's modulus were evaluated by a series of triaxial compression tests using specimens of diameters from 5 to 30 cm. Nonlinear elasto-plastic FE analysis was used and the computed results were compared with the experimental results. The results shows that (1) the lateral bearing capacity is depend on resistance of front block and pile side, (2) the width of the passive sliding block is equal to three times diameter against the pile width, and the angle of the sliding block surface can be described by Coulomb's earth pressure theory.

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Details 詳細情報について

  • CRID
    1390001205356823936
  • NII Article ID
    130004961978
  • DOI
    10.2208/jscejge.70.150
  • ISSN
    21856516
  • Text Lang
    ja
  • Data Source
    • JaLC
    • Crossref
    • CiNii Articles
  • Abstract License Flag
    Disallowed

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