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Analytical and numerical analysis of laterally loaded pile group-cap foundation system.

機譯:橫向受力樁群承臺基礎(chǔ)系統(tǒng)的分析與數(shù)值分析。

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摘要

The lateral resistance taken by the pile cap is very important and cannot be neglected because of its large contribution to the lateral resistance of the pile group-cap foundation system. Analytical and numerical analysis have been performed in this thesis in order to determine the lateral resistance taken by the pile cap in sand and clay soils for free and fixed head pile-cap connections. The results from the analytical Strain Wedge Model and numerical finite element program Plaxis 3D Foundation have been compared with field and lab test results. It was found that the lateral resistance of the pile cap could reach up to 50 percent of applied lateral loads for clay and approximately 40 percent for sand. Also, the pile cap in the pile group-cap foundation system with a free head pile-cap connection is absorbing more loads at the same deflection compared to the pile group-cap foundation system with a fixed head pile-cap connection.
機譯:樁帽承受的側(cè)向阻力非常重要,因為它對樁帽承臺基礎(chǔ)系統(tǒng)的側(cè)向阻力有很大貢獻,因此不能忽略。為了確定自由端和固定頭樁帽連接的樁帽在砂土和粘土中所承受的側(cè)向阻力,本文進行了分析和數(shù)值分析。將分析應(yīng)變楔模型和數(shù)值有限元程序Plaxis 3D Foundation的結(jié)果與現(xiàn)場和實驗室測試結(jié)果進行了比較。已經(jīng)發(fā)現(xiàn),樁帽的側(cè)向阻力最高可達到粘土施加的側(cè)向載荷的50%,沙子達到40%。同樣,與具有固定頭樁帽連接的樁組帽基礎(chǔ)系統(tǒng)相比,具有自由頭樁帽連接的樁組帽基礎(chǔ)系統(tǒng)中的樁帽在相同撓度下吸收更多的載荷。

著錄項

  • 作者

    Boskovic, Srdan Krsto.;

  • 作者單位

    The University of Alabama in Huntsville.;

  • 授予單位 The University of Alabama in Huntsville.;
  • 學科 Engineering Civil.
  • 學位 M.S.
  • 年度 2012
  • 頁碼 103 p.
  • 總頁數(shù) 103
  • 原文格式 PDF
  • 正文語種 eng
  • 中圖分類 TS97-4;
  • 關(guān)鍵詞

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