Compared with previous building structures, steel structures have stronger toughness and better compression resistance. The on-site construction of steel structure mainly includes buried materials, columns, ordinary reinforcement, steel beams, etc. What are the construction methods of steel structure prefab factory?
Round steel tiles are usually used for supporting and stretching, and can be divided into two types, one is single tile (color steel tile). Both are composite plates. (Polyurethane or rock wool is sandwiched between two color coated plates, which are warm in winter and cool in summer, sound insulation and fire protection.) Light weight, high strength and large span: although the density of steel structure workshop is higher than that of other building materials, its strength is very high. Under the same stress conditions, the steel structure has small weight and can be made into a large-span structure.
Short construction period: the construction part of the steel structure prefab factory is mainly prefabricated in the factory, and the installation is stopped after it is transported to the construction site, so as to facilitate the assembly construction. High fire resistance: when the surface temperature of steel is within 150 ℃, the strength changes little, and when it exceeds 150 ℃, the strength decreases significantly.
Generally speaking, the surface of the steel structure workshop is coated with fire retardant coating to form a protective film and improve the fire resistance of the components. Of course, it is also important to reasonably divide the fire protection functional areas and use fire shutters.
Anti seepage and waterproof: rainwater mainly permeates through joints and gaps. In order to prevent leakage and waterproof, it is necessary to use gasket at the screw opening, then hide and fix, use sealant and welding at the overlapping part of the plate, remove the overlapping part with the full length plate, and use expansion waterproof treatment at each joint.
The safety of industrial buildings is determined by the design of the node of the steel structure prefab factory. The design of the node must fully consider the rationality and safety of the building. With the development of building materials, rigid buildings have replaced concrete buildings, and steel structures themselves have many advantages.
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