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Simulation analysis of thermal stress of RCC dams using 3-D finite element relocating mesh method
journal contribution
posted on 2023-06-08, 15:58 authored by Yaolong Chen, Chang WangChang Wang, Shouyi Li, Ruijun Wang, Jing HeThe 3-D finite element relocating mesh method is developed for simulation analysis of temperature and thermal stress distribution in a roller compacted concrete dam during the construction period. According to the relation between specific properties and age of concrete, some meshes are merged into a larger mesh or a few larger meshes when the age of the concrete is appropriate. Using this method, the total number of elements and nodes were remarkably reduced when the dam height was increased. When the change in elastic modulus, creeps and hydration heat is within the limits permitted by design criteria, the relocating of mesh will start. Using this method, a 3 D simulation analysis of thermal stress in a roller compacted concrete (RCC) high dam can be realized by microcomputer and appeared at the construction site. On the basis of real factors during the construction period, an engineer can predict the distribution of temperature and thermal stress in the RCC dam. Therefore, engineers can take appropriate measures to control the concrete temperature to reduce the thermal stress and avoid crack development within the dam.
History
Publication status
- Published
Journal
Advances in Engineering SoftwareISSN
0965-9978Publisher
ElsevierExternal DOI
Issue
9Volume
32Page range
677-682Department affiliated with
- Engineering and Design Publications
Full text available
- No
Peer reviewed?
- Yes
Legacy Posted Date
2013-10-03Usage metrics
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