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.
该方法基于可靠度思想，以达到用极限承载状态时的强度储备系数或超载系数来表征大坝安全度。
This method is based on reliability idea, and the dam final stability coefficient dam of is defined by the strength reserve coefficient or over loading coefficient at limit equilibrium state.
在疲劳荷载、腐蚀共同作用下，拉索的可靠指标下降速度很快，疲劳极限状态对斜拉索及斜拉桥的安全起控制作用。
Because of the interaction of external loads and corrosion, the reliability index decays very quickly. And fatigue limit-state will take control of the safety of the cables and Bridges.
利用刚体极限平衡法、有限元强度折减法对加固后的边坡进行了稳定性分析，计算发现，加固后，边坡的安全系数有较大程度提高，边坡处于稳定状态。
The stability of slope was calculated using SlopeCAD and strength reduction FEM after reinforced, the safety factor is large than 1 and slope is stable.
利用刚体极限平衡法、有限元强度折减法对加固后的边坡进行了稳定性分析，计算发现，加固后，边坡的安全系数有较大程度提高，边坡处于稳定状态。
The stability of slope was calculated using SlopeCAD and strength reduction FEM after reinforced, the safety factor is large than 1 and slope is stable.
应用推荐