Intelligent Prediction for Distortion of Weak Surrounding Rock in Tunnel

In order to remove the hidden danger resulted by distortion of weak surrounding rock in tunnel, the GM(1,1) of the distortion data of weak surrounding rock is used to predict the distortion trend of weak rock vault in the next phase. According to the actual data, a GM(1,1) of the distortion is built, and it is shown that the predict result of GM(1, 1) is accurate, and the calamity can be reduced by the way.