The assessment of the extent of damage a new mine before mining is very important, because it relates to the safety of ground buildings and other constructions. Ground displacement and deformation (subsidence, tilt, horizontal displacement,curvature, and strain) caused by underground mining indicates the extent of ground damage. How to predict the deformation is an important problem. Several alternative methods have been used to predict subsidence, namely, graphical methods, profile function methods, influence function methods, numerical modeling methods, and empirical methods. But in China, the probability integration method is widely used, which, from the categorization point of view, is part of influence function methods.
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