长江防洪模型大厅结构损伤免疫力及换索分析-建筑结构 关键词］空间网格结构；损伤免疫力；连续性倒塌 [gap=867]Keywords:space grid structure; damage immunity; progressive collapse
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利用基于等效杆件撤销的结构重分析方法，编程实现了对网格结构损伤免疫力的定量评估。
The structural re-analysis method based on the equivalent removal of members is adopted to evaluate damage immunity quantitatively.
将空间网格结构在局部破坏的情况下抗连续性倒塌的能力定义为空间网格结构损伤免疫力。
The damage immunity of space grid structure is the ability of preventing the structural progressive collapse when local member or joint fails.
通过对长江防洪模型大厅拱支预应力网架结构的损伤免疫力分析，查明该结构在各种局部损伤情况下所产生的相继破坏的范围。
Through the damage immunity analysis on the structure of Changjiang River Model Hall, the progressive damage area of structure is found out under the conditions of different local failure.
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