| 基于光纤光栅应变花的平面应变状态实验分析 |
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| 引用本文： | 赵雪峰,田石柱,欧进萍.基于光纤光栅应变花的平面应变状态实验分析[J].光电子．激光,2004,15(1):65-68. |
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| 作者姓名： | 赵雪峰 田石柱 欧进萍 |
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| 作者单位： | 哈尔滨工业大学土木工程学院,黑龙江,哈尔滨,150090;哈尔滨工业大学土木工程学院,黑龙江,哈尔滨,150090;哈尔滨工业大学土木工程学院,黑龙江,哈尔滨,150090 |
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| 基金项目： | 国家863计划重大资助项目(2001AA602023) |
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| 摘 要： | 提出并实现了直角与三角形两种光纤光栅(FBG)应变花方案，分别由在1根光纤上实现准分布的3个FBG制成。将之粘贴存等强度梁上，判断主应变方向及大小，研究其平面应变测量性能。试验结果显示，测量主应变方向同实际方向符合，两种应变花测量结果一致。
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| 关 键 词： | 光纤光栅(FBG) 应变 应变花 |
| 文章编号： | 1005-0086(2004)01-0065-04 |
Experimental Analysis of State-of-Strain with Fiber Bragg Grating Rosettes |
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| ZHAO Xue-feng.Experimental Analysis of State-of-Strain with Fiber Bragg Grating Rosettes[J].Journal of Optoelectronics·laser,2004,15(1):65-68. |
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| Authors: | ZHAO Xue-feng |
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| Affiliation: | ZHAO Xue-feng~ |
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| Abstract: | Two schemes of fiber Bragg grating(FBG) strain rosettes:right and triangle rosettes,which are made of three fiber gratings along single optic fiber respectively,were presented and demonstrated.They are bonded to constant strength beam to measure values and directions of main strains and to study the performance of plane strain measurement of FBG rosettes.The results show that there are good agreements between the measured directions of main strains and the theory,so does the results of two types of FBG rosettes. |
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| Keywords: | fiber Bragg grating(FBG) strain rosettes |
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