前言抛石安全系数的定义是:抵抗石块从抛石层中转动的各力的力矩和将石块从抛石层中推移到水流中去的力矩的比值。临界条件发生在水流使石块开始运动之际。在这个临界条件下,抛石的安全系数为1。如安全系数大于1,抛石可称安全;若小于1,石块就从抛石层中被冲走,护坡遭致破坏。抛石护坡的安全系数与结构设计使用的安全系 Preface The safety factor for riprap is defined as the ratio of the moment of force against the rotation of the stone from the riprap and the moment of stone moving from the ripstop to the flow of water. Critical conditions occur when the water begins to move the rock. Under this critical condition, the safety factor for riprap is 1. If the safety factor is greater than 1, riprap can be said to be safe; if it is less than 1, it is washed away from the ripstop and the slope is destroyed. Safety factor for riprap slope protection and safety system for structural design