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Intelligent compaction theory of high roller compacted concrete dam?
作者姓名:Liu Donghai  Li Bingyang  Cui Bo
基金项目:National Natural Science Foundation of China (No. 51021004;No. 51079096);the Program for New Century Excellent Talents in University (No. NCET-08-0391)
摘    要:The concept and realization process of intelligent compaction for the construction of high roller compacted concrete dam were presented, as well as the theory of monitoring and intelligent feedback control. Based on the real-time analysis of the compaction index, a multiple regression model of the dam compactness was established and a real-time estimation method of compaction quality for the entire work area of roller compacted concrete dam was proposed finally. The adaptive adjustment of the rolling process parameters was achieved, with the speed, the exciting force, the roller pass and the compaction thickness meeting the standards during the whole construction process. As a result, the compaction quality and construction efficiency can be improved. What's more, the research provides a new way for the construction quality control of roller compacted concrete dam.

关 键 词:roller  compacted  concrete  (RCC)  dam    quality  control    intelligent  compaction    real-time  monitoring    real-time  quality  estimation
收稿时间:2012/4/20 0:00:00
修稿时间:2012/4/12 0:00:00

Intelligent compaction theory of high roller compacted concrete dam
Liu Donghai,Li Bingyang,Cui Bo.Intelligent compaction theory of high roller compacted concrete dam[J].Engineering Sciences,2012,10(5):58-64.
Authors:Liu Donghai  Li Bingyang  Cui Bo
Institution:(State Key Laboratory of Hydraulic Engineering Simulation and Safety, Tianjin University, Tianjin 300072, China)
Abstract:The concept and realization process of intelligent compaction for the construction of high roller compacted concrete dam were presented, as well as the theory of monitoring and intelligent feedback control. Based on the real time analysis of the compaction index, a multiple regression model of the dam compactness was established and a real time estimation method of compaction quality for the entire work area of roller compacted concrete dam was proposed finally. The adaptive adjustment of the rolling process parameters was achieved, with the speed, the exciting force, the roller pass and the compaction thickness meeting the standards during the whole construction process. As a result, the compaction quality and construction efficiency can be improved. The research provides a new way for the construction quality control of roller compacted concrete dam.
Keywords:roller compacted concrete (RCC) dam  quality control  intelligent compaction  real time monitoring  real time quality estimation
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