Application of engineering preferred structure plane in rock slope stability analysis

The rock mass usually contains many structural planes which influence the stability of rock slope.Based on practical engineering of spillway slope,the geological conditions of slope engineering are analyzed,namely,we judge the engineering preferred planes of slope according to the occurrence of slope and preferred planes,and determine the apparent dip of engineering preferred planes on the profile by projecting them to the profile of slope.The stability analysis of a slope under multi engineering conditions is carried out by computation program.