Study on the similar materials simulation of the slope stability of the west-Ⅰzone in Luming Molybdenum Mine

Résumé

Based on the study of geological data and rock mechanics parameters of the Luming Molybdenum Mine, and according to the slope stability in the excavation process of the weak structure of mining area, the similar material simulation test was developed. By the proportion of geometric similarity constant 300, the laboratory model was set up for 3-3 profile, and arranged with displacement monitoring points and stress monitoring points, then the excavation process of the actual slope was simulated with this model, finally the conclusion was concluded after collecting relevant data, as follows: in the process of open-pit slope excavation, the bench slope was effected by weak structural plane and excavation disturbance. And the bench slope was destroyed due to the deformation failure, especially in the cross area of the weak structure plane and fault, and the area of bench slope located in weak structural plane. This conclusion was similar to the conclusion of the FLAC numerical simulation, which proved that the similar simulation experiment conclusion was correct and dependable.