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Student Number 92322011
Author YU-FAN YEH(葉欲凡)
Author's Email Address 92322011@cc.ncu.edu.tw
Statistics This thesis had been viewed 1657 times. Download 844 times.
Department Civil Engineering
Year 2004
Semester 2
Degree Master
Type of Document Master's Thesis
Language zh-TW.Big5 Chinese
Title Prediction on Story Shear-Deflection of Frame by Shear Degradation Model of RC Beam-Column Joint
Date of Defense 2005-07-07
Page Count 122
Keyword
  • beam-column joint
  • shear degradation
  • story shear
  • truss
  • Abstract This thesis comes from an idea of seismic assessment for RC non-ductile structure. In traditional frame analysis, rigid part of beam-column joints was taken into account. However, it is not adequate for estimating the frame deformation during earthquake if ignoring the effect of beam-column joint deformation. The purpose of this study is to simulate the beam-column joint using a panel truss model via present concrete softened theories to find out the degradation curve of joint. Then the joint shear degradation curve is added to the story shear-deflection prediction.
    Estimation of 45 beam-column joints indicated that this study can predict the frames with joint shear failure mode well. Thus, if the effect of joint deformation was neglected, the predicted results might be un-conservative. For the frames with strong column-weak beam mode, the proposed model still satisfies the actual frame response occurred in a smaller story drift ration. Yet it cannot predict well in the larger frame response and needs more model modification and experimental verification.
    Table of Content 目錄Ⅰ
    表索引Ⅳ
    圖索引Ⅴ
    符號表Ⅸ
    第一章 緒論
    1.1 前言1
    1.2 研究動機1
    1.3 研究方法2
    第二章 文獻回顧
    2.1 桁架模型3
    2.1.1 壓力場理論3
    2.1.2 修正壓力場理論8
    2.2 開裂混凝土的軟化效應12
    2.3 HAKUTO之剪力衰減模式17
    2.4 接頭剪力變形與層間位移之關係18
    2.5 層間剪力與位移19
    第三章 分析模型之建立
    3.1 分析流程21
    3.2 軟化模式的建立24
    3.3 基本參數建立與假設29
    第四章 接頭剪力衰減模型預測之結果與驗證
    4.1軟化模式之選取33
    4.2 內外接頭之實驗驗證35
    4.2.1 內接頭無箍筋試體之驗證35
    4.2.2 外接頭無箍筋試體之驗證35
    4.2.3 外接頭有箍筋試體之驗證36
    4.2.4 內接頭有箍筋試體之驗證37
    4.2.5 軸力的影響37
    第五章 抗彎構架層間剪力與位移側推分析
    5.1 接頭剪力破壞之試體分析41
    5.2 先產生梁塑鉸區再發生接頭剪力破壞之試體分析43
    5.3 梁撓曲破壞之試體分析45
    5.3.1 接頭內箍筋量多寡對評估模式預測之準確度45
    第六章 結論與建議
    6.1 結論49
    6.2 建議50
    參考文獻52
    表57
    圖68
    附錄A 各試體之基本參數122
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    Advisor
  • Yung-Chih Wang(王勇智)
  • Files
  • 92322011.pdf
  • approve immediately
    Date of Submission 2005-07-25

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