| 预应力装配混凝土梁非线性有限元分析 |
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| 引用本文： | 王冬雁,高丹,李振宝. 预应力装配混凝土梁非线性有限元分析[J]. 工业建筑, 2008, 38(8) |
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| 作者姓名： | 王冬雁 高丹 李振宝 |
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| 作者单位： | 北京工业大学工程抗震与结构诊治北京市重点试验室,北京,100022 |
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| 基金项目： | 国家自然科学基金，高等学校博士学科点专项科研项目 |
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| 摘 要： | 利用ADINA有限元软件对4个无粘结预应力装配混凝土节点进行了非线性有限元分析,并且对分析结果与试验结果进行了对比。结果显示:所采用的分析模型在梁柱缝隙处的开合、应力分布、试件变形和恢复力骨架关系上与试验吻合较好,说明所采用的分析单元和模型有利于详细了解无粘结预应力装配梁的非线性性能和抗震性能。
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| 关 键 词： | ADINA有限元软件 后张无粘结预应力装配梁 非线性有限元分析 抗震性能 |
NONLINEAR FINITE ELEMENT ANALYSIS OF UNBONDED POST-TENSIONED PRECAST CONCRETE BAEMS |
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| Wang Dong-yan,Gao Dan,Li Zhen-bao. NONLINEAR FINITE ELEMENT ANALYSIS OF UNBONDED POST-TENSIONED PRECAST CONCRETE BAEMS[J]. Industrial Construction, 2008, 38(8) |
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| Authors: | Wang Dong-yan Gao Dan Li Zhen-bao |
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| Abstract: | This paper analyses nonlinear behaviors and seismic performances of 4 unbonded post-tensioned precast concrete beams with ADINA finite element software.The gap opening/closing,stress distribution,specimen deformation,the hysteresis framework relationship are in good agreement with those of the tests.It is shown that the model is very effective for gaining detailed knowledge of the nonlinear behavior and seismic performance of unbonded post-tensioned precast concrete beams. |
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| Keywords: | ADINA finite element software unbonded post-tensioned precast concrete beams nonlinear finite element analysis seismic behavior |
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