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本文分析了井架结构抗力及荷载效应随机变量的分布类型及统计参数,得到了井架可靠性指标的计算方程,提出了石油钻机井架可靠性算法的计算流程,为基于可靠性标准的我国井架结构设计和评定提供理论基础。
In this paper, the distribution types and statistical parameters of derrick structure resistance and load random variables were analyzed, and the calculation equation of derrick reliability index was obtained. The calculation procedure of derrick reliability algorithm for oil rig was put forward. For the calculation of derrick structure design based on reliability criterion And provide a theoretical basis for assessment.