Analysis And Research On Aertashi Quarry Slope Stability Due To Blasting Vibration

Alta assorted quarry with deep hole bench blasting technique for excavation,slope belongs to high and steep slope,formed by blasting load is the main factor that influence its stability,accurate analysis of the influence of slope under blasting load,is conducive to the safe and efficient production of quarry.The study aimed at the influence of blasting vibration on the stability of the slope quarry.It masters the quarry of the engineering geological reconnaissance through site investigation and engineering geological characteristics,analysis of geological data,determine the slope rock mass structure type,determine the quarry slope stability influence factors and potential landslide model;Combined with the field blasting vibration test,obtain reliable test data,and determine the exact formula coefficient of the Sadov's vibration formula;Determining physical and mechanical indexes of rock mass,slope engineering geological model with finite element software ANSYS,the simulation of deep hole bench blasting,the analysis of slope rock mass displacement,stress distribution and destruction features,calculation of slope safety factor,provide the basis for preventing the slope landslide.The study shows that the slope is parallel to itself,and incline to the laterally inclined rock formation,The underlying landslide pattern is a landslide.The rock mass of the fissure development,which can cause the fissure to open after blasting,and cause the collapse phenomenon;The factors of blasting attenuation a=1.7383 and the correlation coefficients of blasting rocks K=185 are obtained,which provide reference for the control of blasting drugs in the future.Using simplified rock damage TCK model,it is to know the slope safety factor under the influence of the blasting vibration volatility,maximum safety coeficient is 2.01,the minimum safety factor is 1.51,must carry on the reasonable control of the drug.