中国大戏院主体结构的鉴定加固

Appraisal strengthening of the main structure of Chinese Theater

介绍了中国大戏院建筑主体结构现状。检测了砖混结构部分砖、砂浆强度,钢筋混凝土结构部分混凝土强度,测量了主体结构、混凝土大跨度梁、钢屋架变形情况,分析了各种结构的损坏情况。针对存在的损坏、变形、抗震问题,进行综合分析,并提出鉴定意见和加固方法。

The main structure of Chinese Theater architecture was introduced. Inspector tested about the masonry structure of some bricks,the strength of the brick and mortar and concrete strength of the rebar. The main structure,the large span of concrete beam and the deformation of the steel roof have all been measured. The damage about kinds of structure has been analyzed. According to the damage,deformation and anti-seismic problems,the appraisal opinions and strengthening methods are proposed.