Study on Thermal Stress and Temperature Cracks Control of Longlin Roller Compacted Concrete Gravity Dam

Wen Yi Zheng; Peng Pan; Lie Ping Ye

doi:10.4028/www.scientific.net/AMM.212-213.912

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 212-213Study on Thermal Stress and Temperature Cracks...

Study on Thermal Stress and Temperature Cracks Control of Longlin Roller Compacted Concrete Gravity Dam

Abstract:

In order to guide temperature control design and construction and to guarantee the construction quality of roller compacted concrete (RCC) gravity dams in severe cold area, it is of great significance to carry out the simulation analysis of temperature and stress. The whole progress of construction and operation of Longlin RCC gravity dam in harsh climate region were simulated by using the heat of hydration analysis control function, construction stag analysis control function and the time-dependent material link of MIDAS.civil.2006. According to the construction process, the curves of temperature and the curves of stress were obtained. The locations where the crack ratio may exceed 20 were also obtained and the correct temperature control measures and the rational construction progress control system were pointed out.

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Periodical:

Applied Mechanics and Materials (Volumes 212-213)

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912-916

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.212-213.912

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Online since:

October 2012

Authors:

Wen Yi Zheng, Peng Pan, Lie Ping Ye

Keywords:

Construction Phase Analysis, RCC Gravity Dam, Temperature Control, Thermal Stress

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References

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