高面板堆石坝内部水平位移新型监测技术研究

何宁; 王国利; 何斌; 汪璋淳; 周彦章; 钱亚俊; 李登华; 张桂荣

doi:10.11779/CJGE2016S2004

高面板堆石坝内部水平位移新型监测技术研究 English Version

何宁^{1, 2, 3},
王国利^{1, 2, 3},
何斌^{1, 3},
汪璋淳^{1, 3},
周彦章^{1, 3},
钱亚俊^{1, 3},
李登华^{1, 3},
张桂荣^{1, 2, 3}

1. 南京水利科学研究院岩土工程研究所,江苏南京 210024,2. 水文水资源与水利工程科学国家重点实验室,江苏南京 210029;
3. 水利部土石坝破坏机理与防控技术重点实验室,江苏南京 210029

基金项目: 中央级公益性科研院所基本科研业务专项基金项目（Y314009,Y316008）

详细信息

作者简介:
何宁(1969- ),男,江西高安人,理学硕士,教授级高级工程师,主要从事岩土工程监测、检测,软土特性、地基改良及相关工程问题的研究与实践。E-mail: nhe@nhri.cn。

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出版历程
- 收稿日期: 2016-05-18
- 发布日期: 2016-10-19

New technology for inner horizontal displacement monitoring in high concrete face rockfill dam

HE Ning^{1, 2, 3},
WANG Guo-li^{1, 2, 3},
HE Bin^{1, 3},
WANG Zhang-chun^{1, 3},
ZHOU Yan-zhang^{1, 3},
QIAN Ya-jun^{1, 3},
LI Deng-hua^{1, 3},
ZHANG Gui-rong^{1, 2, 3}

1. Geotechnical Engineering Department, Nanjing Hydraulic Research Institute, Nanjing 210029, China;
2. State Key Laboratory of Hydrology-Water Resources and Hydraulic Engineering, Nanjing 210029, China;
3 Key Laboratory of Failure Mechanism and Safety Control Techniques of Earth-Rock Dam of the Ministry of Water Resources, Nanjing 210029, China

摘要

摘要: 中国高面板堆石坝设计理论及筑坝技术已达到世界先进水平,但传统测量手段难以适应300 m级高面板堆石坝安全监测的技术要求,亟需发展新型的高面板堆石坝安全监测技术。对提出的坝体内部水平位移监测分布式光纤监测系统开展了详细的等比尺模型试验研究和原型坝监测试验研究,分析试验研究结果表明该坝体内部水平位移新型监测技术用于300 m级高面板堆石坝最长1000 m的监测断面的沿程水平位移测量,其测量精度通过模型试验和原型试验均得到验证,满足相关规范要求,可以满足高面板堆石坝内部水平位移监测的工作要求。该新型监测技术在土石坝内部水平位移监测工作应用中具备独特特性和优点,是高面板堆石坝内部水平位移监测的一种具有良好应用前景的新型监测技术。
- 高面板堆石坝 /
- 内部变形监测 /
- 分布式光纤 /
- 测量精度 /
- 等比尺模型试验 /
- 原型试验
Abstract: The design theories and dam construction technologies of concrete faced rockfill dam with the height of more than 300 m in China have reached the advanced world level at present. But the traditional measuring methods are not suitable for the safety monitoring of the high concrete face rockfill dam, and the new techniques for safety monitoring of high concrete face rockfill dam are needed. Tests on the proposed technology for horizontal displacement monitoring the dam by using distributed optical fibers are performed through model tests with 1:1 scale and prototype tests. The test result show that the new technology for horizontal displacement monitoring the dam can be used to measure the inner deformation of the dam 300 m in height with the measurement line 1000 m in length. Its measurement accuracy is verified by both the model and the prototype tests, and the relevant regulatory requirements are satisfied. It can meet the work requirements for the internal horizontal displacement monitoring of high concrete face rockfill dam. Applications in internal horizontal displacement monitoring of embankment dam show that the new technology has unique characteristics and advantages, it is good prospect.
- high concrete faced rockfill dam /
- inner deformation monitoring /
- distributed optical fiber /
- measurement accuracy /
- model test with 1∶ /
- 1 scale

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参考文献(13)

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