Accessible steel roof of truss and profile steel combined supporting structure with inverted heat insulation and waterproof layer has such characteristics as reasonable force application, high rigidity and convenient fabrication and installation. Truss, profile steel, heat-insulation and waterproof materials are used and construction is carried out according to the specified process flow and key operation points. Functional requirements of building are satisfied and the development trend of building energy saving technique is followed.%网架型钢组合支撑保温防水层倒置式上人钢屋面具有受力合理、刚度大、制作安装方便的特点,应用网架、型钢、保温、防水等材料,按照规定的工艺流程和操作要点施工后,满足建筑物功能要求,符合建筑物节能技术发展方向.
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