The failure mode and the design reference period of the steel rail are discussed, and the steel rail's performance function at limit state is established too.
讨论了钢轨的失效模式和设计基准期，建立了钢轨极限状态方程的功能函数。
By means of the minimum transformation, the maximum distribution of filtered Poisson process and its statistical parameters are given during the design reference period.
采用最小变换方法，给出设计基准期内车辆荷载随机过程最大值概率分布及其统计参数。
It presents wind load "s extremum and shape coefficient in 100year design reference period. The conclusion supplies references to similar structures in design of resisting wind at westward region."
给出了100年重现期屋面极值风荷载等压线图和体型系数，所得结论对于西部地区此类结构的抗风设计有参考作用。
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