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| 大跨径连续刚构桥零号块空间应力分析 |
| Spatial Stress Analysis of Segment No.0 of Long Span Continuous Rigid Frame Bridge |
| 投稿时间：2017-12-06 |
| DOI：10.16018/j.cnki.cn32-1650/n.201802009 |
| 中文关键词: 连续刚构 零号块 空间应力 |
| 英文关键词: continuous rigid frame segment No.0 spatial stress |
| 基金项目: |
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| 中文摘要: |
| 以某大跨径连续刚构桥零号块为研究对象，采用大型有限元软件midas FEA建立零号块实体计算模型。以施工过程中最大双悬臂阶段及成桥运营阶段最大弯矩工况、最大剪力工况为控制计算工况，提取各计算工况下整体模型中最不利内力，对零号块进行空间应力分析，得出结论为类似工程零号块的设计与施工提供参考。 |
| 英文摘要: |
| Take the segment No. 0 of a long span continuous rigid frame bridge as the research object, the Large finite element software midas FEA was applied to establish the solid finite element computational model of segment No. 0. In the construction process, the maximum double cantilever stage of construction and the maximum bending moment state both with the maximum shear state are considered as the control condition of calculation, made the spatial stress analysis of segment No. 0 by extracting the most unfavorable internal forces in the Integral model. Some conclusions are drawn to provide reference for the design and construction of segment No. 0 of similar project. |
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