The advantages and benefits of Chongqing light steel villas

Advantages and benefits of light steel villas One of the most critical issues of light steel villas is the application of fire protection technology. The fire rating of the light steel villa is four. The light steel villa is equipped with fire-resistant gypsum board on the sides of the walls and floors, and is used for ordinary firewalls and sub-family walls with 25.4 mm thick (1 inch) gypsum board protection, which meets the fire protection requirement of 1 hour. Fiberglass filled between pilasters and floor joists also has a positive protective effect on fire and heat transfer. The structure of the light steel villa itself is very stable and uniform. The 'micro-vibration' of the sidewalk has relatively little effect on the building. Therefore, the 'bolt break' collapse of concrete buildings does not occur repeatedly in light steel structures. At the same time, internationally, according to experience and practical experience, the general service life of light steel structure buildings can reach 70-100 years. The line load of the light steel villa is based on the second seat reaction force of the roof panel. The reaction force of the second support is the support with the reaction force in the 5 spans of the continuous plate. Reaction forces are used to design the bar. At this time, only the second supporting purlins of the roof panel can fully function, and the load of the mid-span supporting purlins is larger. Many, not fully functional. Therefore, it is recommended that the purlins of light steel villas be arranged with unequal spans. The spacing of the strips decreases at the end spans of the roof panel, and the spacing between the midspans increases to allow for end span bending moments of the roof panel and lateral bending moments in the middle. Relatively close, or because the strip spans are not equal, the reaction force of the roof supports is also relatively close, so the material properties of the roof system can be fully utilized, the amount of steel used per unit can be reduced, and the cost can be reduced. Usually, the proportion of steel used in the roofing system of light steel villa projects is greater than that of all steels. Therefore, the treatment effect is better. The floor of the light steel villa is made of cold-formed thin-walled steel frame or composite beam with floor OSB structure. Plates, brackets, connecting parts, etc. Materials used are oriented strand board, cement fiberboard and plywood. These lightweight floors can withstand loads of 316 to 365 kg per square meter. The weight of the light steel villa floor structure is only one-fourth to one-sixth of the traditional household concrete slab system, but the structural height of the floor will be 100-120 mm higher than that of ordinary concrete slabs.

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