SPECKLE ANALYSIS METHOD FOR DEFORMATION OF TUNNEL ENCLOSING ROCK
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摘要: 通过对散斑计量法原理分析、数学描述及观测实例的论述,证明激光散斑法是研究煤矿地下结构物相似模型变形状态的一种新的无损检测技术,若采用白光作为光源,该项技术可用于二维变形场的实地测试。Abstract: Analysis of the principles of the speckle analysis method,its mathematical description and observed examples proved that laser speckle method is a new nondestructive detecting technique for study the deformation state of analog model of underground structure of coal mine.When using the white light as a light source,this method can be used in on-the-spot test of the two-dimensional deformation field.
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Key words:
- Speckle Metrology /
- Tunnel deformation /
- A Nalog model /
- Detecting technique
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