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光纤光栅传感技术在抗滑桩模型实验中的应用 被引量:15

Application of fiber grating sensing technology in model experiment of anti-landslide piles
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摘要 光栅传感技术作为一种全新的测试技术,它具有很多优点。在抗滑桩模型实验测试中应用了该项技术。首先,将FBG传感器与电测传感器在抗滑桩上进行标定,得出两者的关系大致为1.143×10-6/nm;然后,将标定好的FBG传感器应用于模型实验测试中。通过实验测试不仅获得了抗滑桩在不同条件下的受力状态,而且,摸索到了光栅传感技术的一些使用经验和需要注意的事项,这些可为类似的测试所借鉴。 The fiber grating sensing technology is a new testing technology, which has a large number of advantage. The testing application about FBG technology on stabilizing pile model test is introduced. Firstly, the FBG sensors is calibrated with the common electricity sensors in stabilizing pile, and the relation formula about them is gained,which is about 1. 143 × 10^-6/nm. Then, the FBG sensors are used in the experiment. The test results show that not only the exact state of stabilizing pile stress distribution in different situation are obtained, but also many of experiences and needing attentive issues are obtained as well,which is a useful reference in similar testing.
出处 《传感器与微系统》 CSCD 北大核心 2006年第3期84-85,88,共3页 Transducer and Microsystem Technologies
基金 国家"973"计划资助项目(2002CB412703) 中国科学院知识创新项目(KJCX2-SW-L1)
关键词 光纤光栅传感技术 FBG传感器 抗滑桩 模型实验 fiber grating sensing technology FBG sensor stabilizing pile model test
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