Analysis of Temperature Effects of Shimantan RCC Gravity Dam
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Abstract:
Temperature is one of the main loads of concrete dam, and the adverse temperature load can cause cracks in the dam, especially during the operation period, the combination of unfavorable hydraulic pressure load and temperature load can expand the cracks, resulting in the damage for the dam safety operation. The Shimantan RCC gravity dam has serious cracks, and regular transverse cracks occur in several sections of the dam. Based on the observed water temperature and air temperature data of the Shimantan reservoir, the large general finite element software ANSYS was used to analyze the temperature field and temperature stress field of the dam during the operation period, and to illustrate the main reasons of the occurrence and development of the transverse cracks in aspect of temperature effects, which can provide technical support for reinforcement of the dam.
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