VALIDITY OF ULTIMATE STRENGTH EVALUATION METHOD AND APPLICATION RANGE OF SIMPLIFIED ANALYTICAL MODEL ON REINFORCED CONCRETE PILE AND DRY SAND INTERACTION SYSTEM

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  • 乾燥砂地盤－鉄筋コンクリート杭連成系に関する終局耐力評価法の妥当性と簡易解析モデルの適用範囲

Abstract

<p>This paper investigated the highly nonlinear behavior of soil–pile interaction system. 1:50 scale reinforced concrete (RC) piles were used for the centrifuge tests. Six models with soil density, pile diameter, reinforcement ratio, and axial force ratio of the piles as variables were tested by static horizontal loading. The ultimate state of the interaction system was brought about by the flexural or shear failure of the RC pile. The maximum strength could be estimated using existing design formulas. The proposed simple analytical model using beam and spring elements reproduced the test results with good accuracy.</p>

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