Tubed RC columns are used in Dalian Gymnasium to improve the anti-seismic performance of the ultra short columns.
钢管约束钢筋混凝土柱在大连市体育馆工程中的应用，解决了钢筋混凝土超短柱抗震性能差的问题；
Then, the paper evaluated the anti-seismic performance of the structure under basic and rare earthquake intensity.
然后对结构在基本烈度和罕遇烈度地震作用下的抗震性能进行评估。
Improving the ductility of masonry structures is of great importance for the improving the housing's anti-seismic performance.
因此改善砌体结构延性，提高房屋的抗震性能具有极其重要意义。
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