高层混凝土结构逆向拆除技术研究

Research on Reverse Demolition Technology of High-rise Concrete Structure

对城镇密集区域高层混凝土结构建筑绿色、高效拆除进行了研究,提供了高层混凝土结构建筑逆向拆除方法,对该方法中关键的水平支撑体系、竖向支撑体系和主要控制指标等进行了说明。基于一拟拆除高层混凝土建筑,对水平支撑系统和柱节点托换的设计进行了说明,提出一种可提高支撑材料利用率的设计思路。同时验算了施工过程中多柱同时拆除工况的可行性。

The green and efficient demolition of high-rise concrete structures in dense urban areas is studied, and the reverse demolition method of high-rise concrete structures is provided. The key horizontal bracing system, vertical bracing system and main control indexes of the method are described. Based on a high-rise concrete building to be demolished, the design of horizontal bracing system and column joint underpinning is described, and a design idea to improve the utilization of bracing materials is proposed. At the same time, the feasibility of simultaneous demolition of multiple columns during construction is checked.