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| 闸墩水管冷却的光纤光栅温度监测及反馈分析 | |
| 引用本文： | 周宜红,黄耀英,严寒柏,周建兵,周志强,刘杨.闸墩水管冷却的光纤光栅温度监测及反馈分析[J].水利水运工程学报,2011,0(1). |
| 作者姓名： | 周宜红 黄耀英 严寒柏 周建兵 周志强 刘杨 |
| 作者单位： | 1. 三峡大学水利与环境学院,湖北,宜昌,443002 2. 安徽省治淮重点工程建设管理局,安徽,合肥,230000 3. 水利建筑安装工程公司,安徽,颍上,236200 |
| 基金项目： | 国家自然科学基金资助项目(51079079); 教育部科学技术研究重点项目(208092); 湖北省教育厅科学技术研究项目(Z200713001,D20101207); 三峡大学基金资助项目(2008A007,2008B041,KJ2010B003) |
| 摘 要： | 将光纤Bragg光栅温度传感技术应用于水闸工程的闸墩进行实时温度监测,同时对该工程进行施工期温度场和应力场反馈分析.将光纤光栅温度传感器串联熔接形成准分布式测温系统,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以及常规仪器点式监测等缺点.由于闸墩混凝土是薄壁结构,其温度特性和应力状态受混凝土浇筑前后几天的气温影响较大,建议结合周天气预报,将光纤光栅温度传感技术与温度场和应力场仿真分析相结合,进行实时在线监测、实时仿真和实时反馈,及时采取合理的温控措施. |
| 关 键 词： | 闸墩 光纤Bragg光栅 温度 监测 反馈 |
FBG temperature monitoring and feedback analysis of water-pipe cooling in sluice pier |
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| ZHOU Yi-hong,HUANG Yao-ying,YAN Han-bo,ZHOU Jian-bing,ZHOU Zhi-qiang,LIU Yang.FBG temperature monitoring and feedback analysis of water-pipe cooling in sluice pier[J].Hydro-Science and Engineering,2011,0(1). | |
| Authors: | ZHOU Yi-hong HUANG Yao-ying YAN Han-bo ZHOU Jian-bing ZHOU Zhi-qiang LIU Yang |
| Affiliation: | ZHOU Yi-hong1,HUANG Yao-ying1,YAN Han-bo2,ZHOU Jian-bing1,ZHOU Zhi-qiang2,LIU Yang3(1.College of Hydraulic & Environmental Engineering,China Three Gorges University,Yichang 443002,China,2.Anhui Provincial Authority for Huaihe River's Key Projects Construction and Management,Hefei 230000,3.Company of Hydraulic Construction and Installation Engineering,Yingshang 236200,China) |
| Abstract: | Fire-new FBG temperature sensor technology is applied in sluice engineering for real-time monitoring of sluice pier's temperature.The sluice engineering's temperature and stress field are feedbacked and analyzed.Quasi-distributed system can be composed by splicing several FBG temperature sensors.It has advantages of distributed temperature system with high precision.Though the sluice pier is a thin-walled concrete structure,the air temperature in sluice pier placement highly influences the sluice pier's tem... |
| Keywords: | sluice pier fiber Bragg grating(FBG) temperature monitoring feedback |
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