| 简支梁桥面连续构造的有限元分析与改进 |
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| 引用本文： | 潘志炎,茅兆祥,刘敏,史方华,吴宝兴. 简支梁桥面连续构造的有限元分析与改进[J]. 公路交通科技, 2010, 27(4) |
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| 作者姓名： | 潘志炎 茅兆祥 刘敏 史方华 吴宝兴 |
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| 作者单位： | 1. 浙江省交通规划设计研究院,浙江,杭州,310006
2. 杭州市交通工程质量安全监督局,浙江,杭州,310004 |
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| 基金项目： | 浙江省交通运输厅科技项目(2009H09) |
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| 摘 要： | 桥面连续构造是简支桥梁的一个重要构造措施,但很容易损坏,且易损难修,是公路简支桥梁的通病。通过梳理目前常用的桥面连续构造型式,分析了其受力机理。对目前常规的多跨径简支梁桥的梁端变形进行了分析比较,在此基础上通过对两种桥面连续构造进行有限元计算分析,得出了桥面连续在最不利情况下的应力和裂缝宽度。对比发现植入式桥面连续构造能将混凝土变形在一定范围内分散,从而大幅减小了桥面连续处的应力和计算裂缝宽度,具有较高的应用价值。
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| 关 键 词： | 桥梁工程 桥面连续 应力分析 简支梁桥 植入式 裂缝宽度 |
Finite Element Analysis and Improvement of Continuous Slab-deck of Simple Supported Beam Bridge |
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| PAN Zhiyan,MAO Zhaoxiang,LIU Min,SHI Fanghua,WU Baoxing. Finite Element Analysis and Improvement of Continuous Slab-deck of Simple Supported Beam Bridge[J]. Journal of Highway and Transportation Research and Development, 2010, 27(4) |
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| Authors: | PAN Zhiyan MAO Zhaoxiang LIU Min SHI Fanghua WU Baoxing |
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| Affiliation: | 1.Zhejiang Provincial Planning;Design and Research Institute of Communications;Hangzhou Zhejiang 310006;China;2.Hangzhou Supervision Bureau of Quality and Safety of Traffic Engineering;Hangzhou Zhejiang 310004;China |
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| Abstract: | Continuous slab-deck is an important structural measure for simply-supported girder bridge,but it is easy to be damaged and difficult to be repaired which is a common problem of simple supported beam highway bridge.By sorting out the current commonly used structure types of continuous slab-deck,loading mechanisms of these structure types were analyzed.The deformations of the beam ends in current conventional multi-span simple supported beam bridges were analyzed and compared.On this basis,by finite element ... |
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| Keywords: | bridge engineering continuous slab-deck stress analysis simple supported beam bridge implant crack width |
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