| 无粘结部分预应力混凝土梁极限状态可靠度分析 |
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| 引用本文： | 陈晓宝,赵国藩.无粘结部分预应力混凝土梁极限状态可靠度分析[J].大连理工大学学报,1993,33(5):548-552. |
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| 作者姓名： | 陈晓宝 赵国藩 |
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| 作者单位： | 大连理工大学土木工程系
(陈晓宝)，大连理工大学土木工程系(赵国藩) |
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| 摘 要： | 通过分析影响无粘结部分预应力混凝土梁极限状态性能的主要因素，采用已收集到的１０６根梁的试验数据，并充分考虑各参数的不定性，对无粘结部分预应力混凝土梁的极限强度进行了可靠度分析，给出了计算无粘结筋极限应力增量与梁的极限强度设计建议公式。
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| 关 键 词： | 预应力混凝土 极限分析 梁 可靠度 |
Investigation and reliability analysis of ultimate strength of unbonded partially prestressed concrete beams |
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| Chen Xiaobao,Zhao Guofan.Investigation and reliability analysis of ultimate strength of unbonded partially prestressed concrete beams[J].Journal of Dalian University of Technology,1993,33(5):548-552. |
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| Authors: | Chen Xiaobao Zhao Guofan |
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| Abstract: | Main factors affecting the behaviors of unbonded partially prestressed concrete beams under ultimate load have been analyzed. By using the experimental data of 106 unbonded PPC beams and fully considering the uncertainty of all variables, the reliability of ultimate strength of unbonded PPC beams has been analyzed to suggest calculating formulas for ultimate increasement in stress in unbonded tendons and ultimate strength for the purpose of design. |
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| Keywords: | prestressed concrete ultimate analysis structural reliability/unbonded tendon |
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