Based on design criterion and construction practice, the paper presented the method to treat beam - column node concrete with different strength grade in course of design and construction.
在设计规范与工程实践的基础上，着重论述了梁柱节点不同混凝土强度等级在设计和施工中的处理方法。
Therefore the design criterion for the shaft is proposed, i. e. the fatigue strength of the shaf should depend on the torsional fatigue strength.
挠性轴强度校核主要是校核疲劳强度，为此提出了合理设计挠性轴的原则，即挠性轴的疲劳强度应取决于扭转疲劳强度。
This paper analysises technical reason of sandwich FRP water tank failure. The design of FRP vessels can't only according to material strength, must adopt the criterion of limit strain.
本文通过分析FRP夹层结构水箱失效技术原因，阐明设计FRP容器不能仅按材料强度，而必须采用限定应变准则。
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