Strategic Study of CAE >> 2013, Volume 15, Issue 9
Temperature control and crack prevention technology for concrete on ship lift tower of Three Gorges Project
China Gezhouba Group Co.,Ltd. Three Gorges Company,Yichang,Hubei 443002,China
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Abstract
The structure of ship lift tower in Three Gorges Project, belonging to high-rise and thin-walled structure, is complex. And its concrete temperature is greatly influenced by the ambient temperature. Thus, the concrete temperature control of it is extremely difficult. In construction practice, by optimizing the concrete mix, rationally arranging the concrete cooling system, scientifically regulating the temperature and time of cooling water, scientifically adjusting the external ambient temperature, introducing new materials and new processes of concrete curing and strengthening the construction management measures of temperature control and other measures at the same time, the construction quality of concrete tower is ensured and the scientific rationality of the temperature control program is proved. Temperature control and crack prevention technology for concrete in ship lift tower of Three Gorges Project has important reference value to research the technical level of temperature control measures for ship lift projects at home and abroad, to improve the quality of concrete construction in hydropower projects and to save the cost.