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以某单跨框架结构为研究对象,从减小对既有建筑功能连续使用的干扰,缩短改造工期等方面考虑,对比分析了新增钢管混凝土(CFST)柱和现浇钢筋混凝土(RC)柱两种加固方案对既有结构抗震性能的影响,最终采用了钢管混凝土新增结构柱的抗震加固方式。
Taking a single-span frame as the research object, the CFST columns and cast-in-situ reinforced concrete (RC) columns are comparatively analyzed from the aspects of reducing the interference to the continuous use of existing buildings and shortening the reconstruction period. The effect of two reinforcement schemes on the seismic behavior of the existing structures is finally adopted. The seismic strengthening method of the new reinforced concrete column with CFST structure is adopted.