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Student Number 91322038
Author Ching-Liang Kao(高境良)
Author's Email Address No Public.
Statistics This thesis had been viewed 1857 times. Download 1172 times.
Department Civil Engineering
Year 2003
Semester 2
Degree Master
Type of Document Master's Thesis
Language zh-TW.Big5 Chinese
Title Lateral resistance treated research of model pile in sand
Date of Defense 2004-06-29
Page Count 99
Keyword
  • lateral bearing capacity
  • lateral displacement
  • mixing method
  • soil improvement
  • Abstract ABSTRACT
    Pile Foundations are often used to bearing construction loading in many kinds of engineering, and it can transfer the loading directly to stiff layer or rock ground. But the lateral bearing capacity of pile is always smaller than its vertical bearing capacity.
    This research tended to improve the strength of soil surrounding the single pile to increase the lateral bearing capacity of pile. The research carried out a series of model pile tests, and tried to improve the shear strength of soil surrounding the pile by using cement, and compared the lateral displacement of model pile in treated and untreated soil.
    The experimental results of model pile in treated sand indicated that with the cement content of 3 percent and the treated area with 6D in width of square and 4D in depth (where D is the diameter of pile), it can achieve a well improvement effect in reducing the lateral displacement of pile for 58 percent, and increasing 0.5 times the lateral bearing capacity of pile of untreated sand. The local improvement of soil surrounding the pile can increase the lateral bearing capacity of pile, and reduce the lateral displacement of pile effectively in the lateral loading conditions.
    Table of Content 目    錄
    中文摘要I
    英文摘要II
    目錄III
    表目錄VI
    照片目錄VII
    圖目錄VIII
    符號說明XI
    第一章 緒論 1
    1.1前言 1
    1.2研究動機與目的 1
    1.3研究方法 2
    1.4論文內容 3
    第二章 文獻回顧 4
    2.1樁基礎之側向力承載機制 4
    2.2基樁剛柔度分析 5
    2.3 基樁側向荷載分析 5
    2.4 有限元素分析法 6
    2.5地盤反力分析法 7
    2.5.1地盤反力係數 8
     2.5.2利用水平載重試驗推求地盤反力係數 9
     2.5.3張氏法 10
    2.6基樁受側向荷重之影響範圍 11
    2.7地盤改良工法 11
    2.7.1深層攪拌工法 12
    2.7.2水泥改良原理 12
    2.7.3改良土特性 14
    2.7.4其他側向荷載樁改良法 14
    2.8前人相關研究 15
    第三章 實驗設備與實驗方法 28
    3.1模型樁 28
    3.2試驗設備 29
    3.2.1位移計 29
    3.2.2應變計 29
    3.2.3資料擷取系統 29
    3.3 儀器校正 30
    3.3.1位移計校正 30
    3.3.2應變計校正 30
    3.4未改良試驗 31
    3.4.1人工地盤之製作 31
    3.4.2模型樁之埋設 31
    3.4.3位移計架設與加載 32
    3.4.4數據處理 32
    3.5改良試驗 33
    3.6無圍壓縮試驗 34
    3.7試驗規畫 35
    第四章 試驗結果與分析 54
    4.1 未改良砂土中之模型樁試驗 54
    4.1.1側向位移與加載歷時之關係 55
    4.1.2側向位移與荷重之關係 55
    4.1.3樁身彎矩與荷重之關係 56
    4.2砂土經改良後之模型樁試驗 57
    4.2.1改良砂土之無圍壓縮強度 57
    4.2.2樁頭側向位移與荷重之關係 58
    4.2.3改良面積與側向位移之關係 58
    4.2.4改良深度與側向位移之關係 59
    4.2.5改良面積與樁身彎矩之關係 60
    4.2.6改良深度與樁身彎矩之關係 61
    4.3改良體積與改良成效 62
    4.4不同改良配比之模型樁試驗 63
    4.5改良後基樁側向支承力 64
    第五章 結論與建議 81
    5.1結論 81
    5.2建議 82
    參考文獻 83
    Reference 參考文獻
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    14.API RP2, Recommended Practice for Planning, Designing and Constructing Fixed Offshore Platform, 19th Edition, August 1 (1991).
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    26.Reese, L. C. and Impe, W. F. V., Single Piles and Pile Groups under Lateral Loading, A.A.BALKEMA, Rotterdam, pp.1-97(2001).
    27.Scott, R. F., Foundation Analysis, Prentice-Hall, Inc., Englewood Cliffs, N. J. (1981).
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    Advisor
  • Huei-Wen Chang(張惠文)
  • Files
  • 91322038.pdf
  • approve immediately
    Date of Submission 2004-07-15

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