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    Please use this identifier to cite or link to this item: http://ir.lib.ncu.edu.tw/handle/987654321/72840

    Title: 平面梁元素非線性分析與橋梁樁基礎範例研究
    Authors: 蘇宇;Su, Yu
    Contributors: 土木工程學系
    Keywords: Newmark-β直接積分法;幾何非線性;橋梁樁基礎;土壤結構互制;非線性靜力分析;樁基礎檢核與設計;implicit Newmark-β method;geometric nonlinearity;bridge pile foundation;soil-structure interaction;nonlinear static analysis
    Date: 2017-01-24
    Issue Date: 2017-05-05 17:06:36 (UTC+8)
    Publisher: 國立中央大學
    Abstract: 本研究採用新近發展之隱式Newmark-β結構動力分析方法,適用於處理大變形、大變位、材料非線性與剛體運動等問題,內容分為兩部分。第一部分配合載重控制與位移控制驗證平面梁元素於高度幾何非線性下分析之能力。
    ;This study is divided into two parts. In the first part, The Implicit time integration method(Newmark-β), a new computational method is adopted in this study because the The Implicit time integration method(Newmark-β) has the superior in managing the engineering problems with material nonlinearity, discontinuity, large deformation and arbitrary rigid body motions of deformable bodies. With Newton-Raphson method and displacement-controlled method, we are able to test ability of planar beam elements at highly geometrically nonlinear analysis.
    The second part is about pile foundations. Although the seismic design forces of pile foundations have updated based on the current seismic design codes, the analysis method of pile foundations has not yet modified. The current analysis method cannot consider the real boundary conditions and soil-structure interaction. Therefore, in this project the static nonlinear analysis method proposed in the Japan Highway Bridge Design Code is adopted by establishing an analytical model consisting of footing and piles. Through analysis and design by using this model, it is found that if the soil condition is classified soft, the required reinforcement of the piles by current analysis method is underestimated as compared to that by the analytical model. The analysis method in Japan may be considered an alternative method for the pile design.
    Appears in Collections:[土木工程研究所] 博碩士論文

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