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| DYNAMIC ANALYSIS THEORY AND PRACTICE FOR TEMPERATURE CONTROL AND CRACKING PREVENTION OF CONCRETE ARCH DAM |
| FU Shaojun1，ZHANG Shihu1，XIE Min2，CHEN Shenghong1 |
| (1. State Key Laboratory of Water Resources and Hydropower Engineering Science，Wuhan University，Wuhan，Hubei 430072，China；2. HydroChina Kunming Engineering Corporation，Kunming，Yunnan 650051，China) |
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Abstract Temperature control and crack prevention are one of the key problems for high concrete arch dam. Taking Xiaowan project for example，the most important technologies of temperature control and crack prevention are studied systematically，which include material property，theory and methodology，construction and engineering measures etc.. The reasonable and scientific technology route for the temperature simulation feedback analysis is presented；the simulation feedback analysis system and dynamical information-based design methodology of temperature control design for arch dam are established. Limited value of safety degree for anti-cracking，reasonable scheme of temperature control are recommended for engineers. Therefore，the dynamical design based on simulation feedback analysis of arch dam is implemented well in Xiaowan project. The practical effect indicates that the achievements of this paper provide the theoretical supports and scientific information for the design and construction of Xiaowan arch dam project.
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Received: 22 June 2011
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2012, Vol. 31 
