| 基于光纤Bragg光栅的南润段进(退)洪闸温控反馈分析 |
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| 引用本文： | 周建兵,周宜红,黄耀英,童元雄.基于光纤Bragg光栅的南润段进(退)洪闸温控反馈分析[J].中国农村水利水电,2011(4). |
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| 作者姓名： | 周建兵 周宜红 黄耀英 童元雄 |
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| 作者单位： | 三峡大学水利与环境学院,湖北宜昌,443002 |
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| 基金项目： | 国家自然科学基金(51079079); 三峡大学基金(KJ2010B003) |
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| 摘 要： | 采用基于光纤的Bragg光栅测温,既具有分布式光纤测温的优点,又可克服分布式光纤测温精度不高、常规点式测温计数据量少等缺点.在淮河干流南润段进(退)洪闸混凝土工程中,利用光纤Bragg光栅实时在线监测施工期闸墩混凝土的温度变化,以监测数据为基础采用遗传算法反演闸墩混凝土热学参数,根据反演参数仿真分析后续闸墩混凝土施工期温度场和徐变应力场,反馈设计混凝土温控防裂措施,收到了良好效果.
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| 关 键 词： | 水闸 光纤Bragg光栅 反馈 温度场 应力场 |
Temperature Control Feedback Analysis of Sluice Pier at Nanrunduan Flow in(out) Floodgate Based on Fiber Bragg Grating |
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| ZHOU Jian-bing
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ZHOU Yi-hong
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HUANG Yao-ying
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TONG Yuan-xiong.Temperature Control Feedback Analysis of Sluice Pier at Nanrunduan Flow in(out) Floodgate Based on Fiber Bragg Grating[J].China Rural Water and Hydropower,2011(4). |
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| Authors: | ZHOU Jian-bing ZHOU Yi-hong HUANG Yao-ying TONG Yuan-xiong |
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| Institution: | ZHOU Jian-bing,ZHOU Yi-hong,HUANG Yao-ying,TONG Yuan-xiong(College of Hydraulic and Environmental Engineering,Three Gorges University,Yichang 443002,Hubei Province,China) |
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| Abstract: | Fiber Bragg grating has advantages such as distributed temperature system,its high precision and a large number of data.Taking the practice in construction of Nan runduan flow in(out) floodgate at the Huaihe River as an example,real-time and monitoring the temperature change of Sluice Pier during the construction period by FBGs on-line,the genetic algorithms are adopted to carry out the relevant thermal parameters of concrete of Sluice Pier based on the monitoring data,then a simulation analysis is made of ... |
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| Keywords: | sluice pier fiber Bragg grating(FBG) feedback temperature field stress field |
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