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| T型梁桥损伤肋梁对承载力的影响及其加固研究 | |
| 引用本文： | 孙强,朱彤,强丽峰. T型梁桥损伤肋梁对承载力的影响及其加固研究[J]. 防灾减灾工程学报, 2011, 31(3): 329-334,340 |
| 作者姓名： | 孙强 朱彤 强丽峰 |
| 作者单位： | 大连理工大学海岸与近海工程国家重点试验室;沈阳农业大学; |
| 摘 要： | 针对辽阳市中华大桥局部结构损伤对其承载力影响的问题,通过现场静力试验和损伤检测,得出了系统的现场数据,将该数据与桥梁破坏前的检测数据进行对比,确定结构的主要损伤为预应力T型主梁连接处的肋梁严重破损.用大型三维有限元软件ANSYS中的生死单元技术模拟破坏肋梁,建立了单跨损伤肋梁有限元数值模型,并将有限元数值分析结果与检测... |
| 关 键 词： | T型梁桥 肋梁损伤 有限元模型 承载力分析 复合加固法 |
Analysis of Influence of Damage to Ribbon Strips in Steel Reinforced Concrete T-beam Bridge on its Load-carrying Capacity and Bridge Strengthening |
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| SUN Qiang,ZHU Tong,QIANG Li-feng. Analysis of Influence of Damage to Ribbon Strips in Steel Reinforced Concrete T-beam Bridge on its Load-carrying Capacity and Bridge Strengthening[J]. Journal of Disaster Prevention and Mitigation Engineering, 2011, 31(3): 329-334,340 | |
| Authors: | SUN Qiang ZHU Tong QIANG Li-feng |
| Affiliation: | SUN Qiang~1,ZHU Tong~1,QIANG Li-feng~2 (1.State Key Laboratory of Coastal and Offshore Engineering,Dalian University of Technology,Dalian 116024,China,2.Shenyang Agricultural University,Shenyang 110866,China) |
| Abstract: | In order to estimate the load-carrying capacity of locally damaged Zhong-hua bridge,by using static experiment and damage test method we made sure that the main damage to the bridge is at the ribbon strips of prestressed T-beam.We built a finite element model of damaged ribbon strips by means ofbirth ad deathmethod and proved the model is appropriate by comparing the numerical analysis results with experimental results.Finally,we strengthened the damaged bridge by strengthening concrete and steel plate weld... |
| Keywords: | T-beam bridge ribbon strip damage finite element model load-carrying capacity analysis compound strengthening method |
| 本文献已被 CNKI 万方数据 等数据库收录！ | |