Abstract This paper studies the deformation - failure of coal by means of white light digital speckle correlation method to measure the localization band width of coal deformation quantitatively.

• 摘 要 本文采用白光数字散斑相关方法对煤在单轴压缩下变形破坏进行研究，定量的测出了煤的变形局部化带宽度。