深圳俊园大厦是一幢50层的综合楼,在第12层楼面(标高45.000m)设置了梁式转换层,层高5m,墙、柱、楼板混凝土强度等级均为C50。2000mm×2500mm转换大梁对称分布在建筑物四周,长度每边均为28.9m,宽度方向分别从柱边向四周外挑1050、1050、1050、1250mm。外挑大梁四周均需再外挑130 Shenzhen Junyuan Mansion is a 50-story complex building with a beam-type conversion floor on the 12th floor (elevation 45.000m) with a floor height of 5m. The concrete strength of the walls, columns and floor slabs is C50. 2000mm×2500mm The conversion beams are symmetrically distributed around the building, each side is 28.9m in length, and the width direction is 1050, 1050, 1050, and 1250mm from the side of the column to the outside. Outside picking beams need to pick out outside 130