Based on the detailed consideration on the characteristics of rockmass in slope of red bed, 4 pivotal factors were adopted to demarcate different structure styles of rockmass in slope of red bed.

• 摘要在详细考虑了红层边坡岩体的特征之后，选择了4个对岩体结构和边坡稳定性影响最大的因素，作为红层边坡岩体结构类型划分的依据：红层岩层面、层间软弱夹层的特征及其与边坡面相互交切的关系；