...，结构延性，赘余构件 [gap=614]ic structure; robustness; structural systems; integrity; failure mode; strength; ductility; redundancy elements.
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结构性拖延 structured procrastination
③The structure ductility demand of multi-degree-of-freedom systems is less than the equivalent single-degree-of-freedom systems. The preliminary view is that the R -μrelationship of single-degree-of-freedom systems at the moderate period is suitable for multi-degree-of-freedom systems.
③多自由度体系的结构延性需求小于等效单自由度体系,初步认为单自由度体系的R -μ规律在中等周期的多自由度体系中是适用的。
参考来源 - 单多自由度体系R·2,447,543篇论文数据，部分数据来源于NoteExpress
现有的提高结构延性的手段主要为增设箍筋。
The main means to improve the ductility is to increase hoop reinforcement.
当损伤程度达到严重时，加固后的结构延性减小。
The ductility is less when the damaged degree of strengthened structure is critical.
含钢率是影响钢管混凝土框架结构延性的重要因素。
Steel ratio is one of the most important factors affecting the ductility of concrete-filled steel tubular frames.
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