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都江堰中兴镇公立卫生院是“5.12”大地震灾后重建的重点建设工程之一,该工程为钢筋混凝土框架结构,其中的一个结构单元采用了倾斜角度为24o的坡屋顶结构。结合实际工程的设计,阐述了如何采用合理的空间计算程序对坡屋顶结构进行精确建模,并提出坡屋面结构所产生的水平推力对整体结构的影响不可忽略,且根据不同的结构布置,水平推力的影响程度会有大有小。实际工程设计时需多方案进行对比,以使结构设计安全、经济。
The Public Health Center of Zhongxing Town, Dujiangyan is one of the key construction projects for the post-quake reconstruction of “5.12” earthquake. The project is a reinforced concrete frame structure, and one of the structural units adopts a sloping roof structure with a tilt angle of 24o. Combined with the design of practical engineering, this paper expounds how to use reasonable space calculation program to accurately model the slope roof structure, and puts forward that the horizontal thrust produced by the slope roof structure can not ignore the impact on the overall structure. According to the different structure layout, The impact of thrust will be large and small. The actual project design needs more programs to compare, so that the structural design is safe and economical.