The paper studies the fatigue failure probabilistic model of the weld zone in welded joint using probabilistic fracture mechanics and reliabilitistic analysis methods.
本文采用概率断裂力学方法和可靠性分析方法，针对压力容器焊接接头的组织不均匀特点，研究了焊缝区疲劳失效概率模型。
On the basis of the results of the analysis in this paper, summing up the security measures to the liquefied zone: rational using liquefied sand layer and avoiding failure of foundation.
在本文计算分析结果的基础上，总结提出了从合理利用液化层和避免地基失效两个方面着手的液化区抗震设防措施。
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