The flexural rigidity of corroded RC beams under repeated loading rapidly decreased in the cracking stage, with no significant change observed thereafter in the yield stage, when eventually decreased again in the failure stage.
重复荷载下受腐蚀钢筋混凝土梁的刚度开裂阶段急剧下降,钢筋屈服阶段变化不明显,破坏阶段又开始下降。
参考来源 - 重复荷载下受腐蚀钢筋混凝土梁承载力研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Failure stage. The wall was equaled to a beam-hinged frame.
破坏阶段——将墙体视为肋梁严重破损的梁铰框架模型。
However, that runs counter to the thinking behind the waterfall approach: Many design teams would view modifying the design after Stage 1 as a failure of their initial design or requirements process.
然而，使用瀑布型开发方法的执行与想象是相反的：很多设计团队把在阶段1之后的修改设计视为他们的最初设计或者需求过程的失败。
At that stage, the execution of the SQL fails and the program must catch any exceptions to determine the reason for the failure.
在这个阶段，SQL的执行失败，程序必须捕获异常来判断失败的原因。
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