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《Journal of Hydroelectric Engineering》 2012-04
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Hydration heat combined function model of high fly-ash concrete and its application in engineering

ZHANG Guoxin1,LIU Yi1,XIE Min2,LIU Youzhi1(1.State Key Laboratory of Simulation and Regulation of Water Cycle in River Basin, China Institute of Water Resources and Hydropower Research,Beijing 100038; 2.Kunming Institute of Exploration,Design and Research,CHECC,Kunming 650051)  
This paper develops an adiabatic heat combined function model of high content fly-ash concrete based on laboratory tests and in-situ monitoring data.Using this model,a back analysis on the adiabatic heat parameters of concrete for an arch dam is conducted.Results show that the model can better simulate the actual heating process,particularly the one after closure grouting,and its fitting accuracy is higher than other models.An analysis on the negative impacts of temperature rise on the overall stress distribution of arch dam reveals that temperature rise after closure can deteriorate the local stress in the periods of initial impoundment and long-term operation,to which more attention should be paid.
【Fund】: 国家自然科学基金(50909105);; 水利部行业公益科研专项(200801007);; 中国水科院科研专项
【CateGory Index】: TV431
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1 ZHANG Guoxin1,AI Yongping2,LIU Youzhi1,LIU Yi1(1.China Institute of Water Resources and Hydropower Research,Beijing 100038;2.Huaneng Lancang river hydropower Co.LTD,Kunming 650214);Discussion on temperature control and crack prevention for super-high arch dams[J];Journal of Hydroelectric Engineering;2010-05
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【Co-citations】
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1 ZHANG Guoxin,LIU Youzhi,LIU Yi,YANG Ping,BAI Ying,MA Xiaofang,LIU Yu(China Institute of Water Conservancy and Hydropower Research,Beijing 100038);Analysis on the causes of crack formation and the methods of temperature control and crack prevention during construction of super-high arch dams[J];Journal of Hydroelectric Engineering;2010-05
2 HUANG Dahai1,2,CHEN Yanyu2,WANG Xiangfeng1,LI Yangbo1 (1.College of Civil and Hydroelectric Engineering,China Three Gorges University,Yichang 443002,Hubei,China; 2.School of Transportation Science and Engineering,Beijing University of Aeronautics and Astronautics,Beijing 100191,China);Study on prediction of temperature control of super-high concrete arch dam with fiber-optic-based distributed temperature sensing[J];Water Resources and Hydropower Engineering;2010-09
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