提出了结构性能安全指数的概念，并以结构的变形极限状态方程为基础得到了结构设计性能安全指数的计算方法和结构性能等级的划分标准。
The concept of the structural performance safety index is put forward and its calculation method is derived based on the structural deformation limit state equation.
基础位移未超过限值时对铁塔进行扶正，除基础水平滑移情况以外，铁塔杆件内力未超过极限承载力，处于安全状态。
In the righting process of the tower, the internal member forces aren't over than the critical bearing capacities except the horizontal slip, and the tower is in a safe state.
从折减后安全系数的极限状态中，计算出不同最大可能安全系数的临界变异系数和临界破坏概率。
From limit state of reduced safety factor, critical failure probabilities and variation coefficients corressponding different maximum possible safety factors were calculated.
应用推荐