Lght steel villas, also known as light steel structure houses, are mainly made of light steel keels synthesized by hot-dip galvanized aluminum steel strips through cold rolling technology.
The aluminum zinc alloy structure of aluminum zinc coated steel plate is composed of 55% aluminum, 43.4% zinc, and 1.6% silicon cured at a high temperature of 600 ℃. The entire structure is composed of aluminum iron silicon zinc, forming a dense quaternary crystal, thus forming a strong and effective barrier to prevent corrosion factors from penetrating.
Characteristics of structural light steel:
1. Corrosion resistance
The corrosion resistance of "55% aluminum zinc coated steel coil" comes from the barrier layer protection function of aluminum and the sacrificial protection function of zinc. When zinc is sacrificed for protection in areas such as cutting edges, scratches, and coating abrasions, aluminum forms an insoluble oxide layer, providing barrier protection. Aluminum zinc alloy steel coils have undergone outdoor exposure tests in various atmospheric environments for over 20 years, confirming that the edge protection function of 55% aluminum zinc coated steel plates is better than that of galvanized steel plates and 5% aluminum zinc coated steel plates.
2. Heat resistance
The heat resistance of 55% aluminum zinc alloy coated steel plate is better than that of galvanized steel plate, and similar to the high temperature oxidation resistance of aluminum coated steel plate. Aluminum zinc alloy steel plate can be used in high temperature environments up to 315 degrees Celsius.
3. Reflexity
55% aluminum zinc alloy coated steel plate has high reflectivity, making it a heat-resistant barrier; The thermal reflectivity of aluminum zinc coated steel plate is almost twice that of galvanized steel plate, so it can also achieve energy-saving effects when used as roofs and panels without painting.
4. Paintability
Due to the excellent adhesion between the zinc layer of aluminum zinc coated steel plate and paint, it can be painted without pre-treatment or weathering treatment when used as a sign board for general purposes; Galvanized steel plates require weathering treatment and pretreatment.
Construction of Light Steel Villa System
The light steel wall structure system is composed of light steel ribbed beams and columns, as well as maintenance structures that are subjected to joint forces. It has excellent physical performance indicators, short construction period, and good insulation effect. It is a new type of green, energy-saving, and environmentally friendly building structure system.
1. Basic system
Light steel structure houses have a light weight, only about one-fifth of brick concrete structure houses and about one eighth of reinforced concrete structure houses, which can greatly reduce the cost of foundation construction. The foundation of light steel structure houses generally adopts strip foundations.
① Light steel structures have a light weight and can significantly reduce the cost of foundation engineering;
② Basic moisture-proof design effectively prevents moisture and harmful gases from entering;
③ Reasonable anchoring methods ensure reliable connection between the foundation and the main body.
2. Wall system
The external wall system is generally between 120-200mm. Due to the thin and light walls, light steel structure houses increase the actual usable area by about 10% -15% compared to traditional houses, and increase the indoor usable area by more than 90% compared to traditional houses. The indoor space can be flexibly separated. Pipelines can be arranged in the reserved holes on walls, floors, and roof components, with good concealment and a more beautiful appearance.
① The wall is filled with fiberglass cotton, which has good insulation, heat insulation, and sound insulation properties;
② Breathable paper is waterproof and breathable, which can effectively regulate indoor air humidity, making living more comfortable, while effectively preventing the growth of mold inside the wall;
③ The pipeline is buried inside the wall and does not occupy indoor space.
3. Floor system
The floor is composed of high-strength hot-dip galvanized C-type and U-shaped light steel components. The floor beams are arranged with standard modular equidistant ribs, and are covered with structural plates that have undergone strict moisture-proof and anti-corrosion measures, forming a sturdy and earthquake resistant floor system.
① The combination structure of structural plates and floor steel beams is sturdy and stable;
② Various water and electricity pipelines are concealed within the floor structure, without occupying the height of the building;
③ Filling glass fiber cotton in the interlayer has a significant effect on thermal insulation, sound absorption and sound insulation.
4. Roof system
The roof truss is assembled from various light steel components, generally including triangular roof trusses and T-shaped roof trusses, which can easily and flexibly achieve various complex roof shapes. Generally, the roof is made of colorful asphalt tiles, which have good waterproof performance and highlight beauty and quality.
① Composite roofs have functions such as rain resistance, weather resistance, and thermal insulation, and can achieve a variety of shapes;
② Ventilation circulation design to keep the air fresh at all times.
5. Structural components
All structural components are made of high-strength galvanized steel to ensure the service life of the house. All structural components are formed by factory precision mechanical assembly line cold pressing, with dimensional accuracy measured in millimeters, which cannot be compared to other structures.
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