【摘要】 依据结构强度－工作应力理论模型，应用数理统计方法和对某团体发动机大量试验数据的实例计算，证明了总体变异系数法和样本变异系数法在结构可靠性计算中的一致性。在置信度为０．９０时，其结构可靠度大于０．９９５４。同时表明总体变异系数法是较佳方法，影响结构可靠性的主要因素是样本标准差。更多还原

【Abstract】 he consistance of the population dissociation coefficient method andthe sample dissociation coefficient method for the calculation of structural reliabilityin solid rocket motors was reviewed.At the same time it is shown the population dissociation coefficient method is abetter calculating method for structural reliability in solid rocket motors and themajor factor affecting structural strength reliability is the standard deviation.更多还原