THE CHARACTERISTICS OF THE ACCOMPANYING FAULTS OF COLLAPSE COLUMN AND THE PREDICTION OF COLLAPSE COLUMN

With the study on the distribution laws,properties and characteristics of the accompanying faults of collapse columns,the characteristics of the coal and rock beds within the fault zones and their relationship with the surrounding coal and rock beds are recognized.On this basis the predictions on the collapse columns are carried out,and the better effects are obtained.This method is convenient to spread to the site of production.