| 磴口黄河特大桥0号块空间应力分析研究 |
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| 引用本文： | 胡正荣,陈亮,王金枝. 磴口黄河特大桥0号块空间应力分析研究[J]. 水运科技信息, 2013, 0(5): 10-12,16 |
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| 作者姓名： | 胡正荣 陈亮 王金枝 |
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| 作者单位： | [1]中交第二公路勘察设计研究院有限公司,武汉430056 [2]青海省高等级公路建设管理局,西宁810000 [3]武汉理工大学华夏学院,武汉430223 |
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| 摘 要： | 采用大型通用有限元软件MIADSFEA进行空间计算,以磴口黄河特大桥为工程实例进行研究。用三维有限单元法对连续梁桥0号块作分析,对施工中0号块在最大悬臂状态下和成桥阶段的应力作计算,计算出各阶段0号块的应力状态,为优化设计和改进施工方法提供依据。对运营节段0号块在最不利荷载组合作用下的应力作计算,计算出0号块的应力状态。
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| 关 键 词： | 连续梁桥 空间分析 0号块 |
Spatial Stress Analysis of Segment No. 0 of Dengkou Yellow River Bridge |
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| Affiliation: | Hu Zhengrong, Chen Liang, Wang J inzhi (1. cccc Second Highway Consuitants Co. ltd. ,Wuhan 430056, China; 2. The Highway Construction Headquarters of Gonghe to Yushu in Qinghai,Xining 810000, Cina; 3. Wuhan University of Technology Huaxia College,Wuhan 430223, China) |
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| Abstract: | In this paper, Dengkou Yellow River bridge is a engineering example for research, by using the large-scale general finite element software MIADS FEA for spatial computation. The segment No. 0 is analyzed with 3D finite element method, and the continuous girder bridge segment No. 0 stress state in the maximum cantilever state and the bridge finished phase during the construction are calcu- lated which provides a basis for optimization design and improving construction method. And then the segment No. 0 stress state in the operation under the most unfavorable load combination are also calculated which provides reference for similar bridge design in the future. |
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| Keywords: | continuous girder bridge l segment No. O spacial analysis |
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