How to install the double-storey light steel villa? How to maintain it later?

The villa is also called a light steel structure residence. Its main material is a light steel keel synthesized by a cold rolling process of hot-dip galvanized steel strip, and the frame structure is mainly a portal steel frame. What is the cost of light steel villas compared with brick-concrete structures? The depth of 400mm-600mm is dug under the ground of the double-storey light steel structure house, and the structural ring beam with the height of 240mm-300mm is set above the ground. In some mountainous, hilly and desert areas, light steel structure houses do not need special treatment for the foundation, and the cost of the foundation of a light steel villa of the same area is about one-third of that of the brick-concrete structure. What is the maintenance cost of a light steel structure villa? The actual thermal insulation effect of a 15 cm wall of a light steel structure house is equivalent to that of a 1 m thick brick-concrete structure house. After the construction of the brick-concrete structure house is completed, in order to have a better appearance and thermal insulation effect, it is usually necessary to do external decoration and external wall insulation, while the light steel structure house is usually in place at one time and does not involve secondary costs. The application cost is also because the thermal insulation performance of the light steel structure house is better than that of the brick-concrete structure house, and the cost of turning on the air conditioner and the surface in the later stage will be greatly reduced. Light steel structure houses can meet the following requirements: 1. The layout is conducive to natural ventilation. Therefore, it is better to have a building than a building. 2. The building should be oriented north-south and close to the north-south direction. 3. The building form factor (that is, the ratio of the outer surface of the building exposed to the outdoor atmosphere to its enclosed volume) should not exceed 0.35, nor should it exceed 0.3; the point building should not exceed 0.4. This requires that the concave and convex parts be minimized in the flat design of the residential building. 4. The area of ​​the window should not be too large, and different directions have different requirements for the ratio of the window to the wall. Window wall ceilings for maintenance structures with thermal resistance are 0.20 for north, 0.30 for east-west, and 0.35 for south.

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