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本文以一次二阶矩的近似概率法,对现行《水工钢筋混凝土结构设计规范SDJ20—78》中的轴心受压构件和受弯构件的强度及抗裂度所隐含的可靠指标β进行了校核。探讨了现行设计规范中规定的安全系数K值所存在的问题,并提出了自己的初步看法。
This paper uses the approximate probabilistic method of second order moments to carry out the reliability index β implied by the strength and crack resistance of the axial compression members and flexural members in the current “Design Specification for Hydraulic Reinforced Concrete Structures SDJ20-78”. Checked. Discussed the problems existing in the safety factor K value specified in the current design specification, and put forward their own preliminary views.