Spatial embedded reinforcement of 20-node block
element for analysis PC bridges
- LONG Peiheng1, DU Xianting2, CHEN Weizhen3
Author information
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1.Department of Civil Engineering, Beijing Institute of Civil Engineering and Architecture; 2.School of Civil Engineering & Architecture, Beijing Jiaotong University; 3.Department of Bridge Engineering, Tongji University;
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History
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| Published |
| 05 Sep 2008 |
| Issue Date |
| 05 Sep 2008 |
The formula for the contribution of prestressed reinforcement on embedded reinforcement element is derived according to the mechanical behavior of PC bridges and the foundational principle of finite element method. Mechanical concept is definite and examples validate the calculation results. Reinforcement element model allows generating a finite element mesh without taking into consideration the layout of reinforcements. Furthermore, the prestressing tendon may pass through the concrete elements in an arbitrary manner. It is an effective approach that the no-node loads are diverted from the tendons to the adjacent concrete elements. A useful arithmetic analysis of the spatial curved tendon PC Bridges is provided.
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References
1. Nie Wu, Sun Liping . Ship Structural Mechanics. Harbin: HarbinInstitute of Technology Press, 2000 (in Chinese)
2. Song Tianxia, Huang Rongsheng, Lin Taisheng . Reinforced Concrete Nonlinear Finite Element and OptimalDesign. Wuhan: Huazhong University of Science and Technology Press, 2003 (in Chinese)
3. Jiang Jianjing, Lu Xinzheng, Ye Lieping . Nonlinear Finite Element Analysis of Reinforced concreteStructure. Beijing: Tsinghua University Press, 2005 (in Chinese)
4. Long Peiheng . Numerical Method to Analyze cracks in PC Box Girder bridges. Dissertationof Doctor of Philosophy. Shanghai: Tongji University, 2005 (in Chinese)
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