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| Concrete beam structure roofing methods: Civil construction has divided the roof into several small openings according to design requirements. There are basically the following methods according to the civil construction conditions: | ||
2. Concrete beam structure steel frame connection method: Civil engineering makes the roof into a tic-shaped beam shape according to the design requirements. If no drainage gutter is made, the steel frame connection method shown on the right is adopted. The surface of the steel frame and the concrete beam are expanded or welded. And do a good job of thermal insulation, anti-corrosion and waterproof treatment. Note: The width of the tic-shaped beam is not less than 200m, and the height is generally not less than 300mm depending on the local rainfall. ① The expansion and solidification method is shown in the picture on the upper right ② The welding method is shown in the picture on the right. Pre-buried iron plate (60x60) at least one in each corner |  | |
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| ③ How to make FRP lighting cover steel frame well wall as shown in the picture on the right |  | |
④ The method for circular daylighting cover-steel frame well wall is as shown in the picture on the right. The hole left for the skylight of the daylighting cover is generally square. This method is a circular hole method. This method is suitable for daylight dome skylights made of PC/PMMA/FRP and other three materials. |  | |
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