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Steel structure residential building
- Commodity name： Steel structure residential building
- Product Description
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Steel structure housing is a building form that uses steel as the main structural material, with multiple advantages and applicability. The following is a detailed introduction to steel structure residential buildings:
Efinition and basic characteristics
Steel structure residential buildings are a building system that uses cold-formed thin-walled steel components as the basic structural framework, new structural panels as the structural system, and other insulation and decorative materials. They are integrated in factories and assembled on site. Its characteristics include:
● Lightweight and high-strength: Steel has high strength and small cross-sectional dimensions, making the building lightweight and reducing foundation costs.
● Flexible design: The unique load-bearing system of the walls gives the building a light and dynamic appearance, improving the flexibility of indoor layout.
● Environmental protection and energy conservation: Using low-carbon and environmentally friendly building materials with good seismic, fire, thermal, and sound insulation performance, it is an efficient and energy-saving green building system.
Scope of application and performance indicators
Light steel structure residential buildings are suitable for new construction, renovation, and expansion of buildings with 1 to 6 floors (excluding basements, with eaves height not exceeding 12m). Its performance indicators include:
● Durability: The service life can reach more than 70 years.
● Seismic performance: Designed with a 9-degree fortification (basic seismic acceleration of 0.4g).
● Wind resistance performance: The basic wind pressure is 0.85kN/m2, and the wind speed can reach 209km/hr.
● Sound insulation performance: The sound insulation of the exterior wall is 65dB, and the sound insulation of the interior wall is 44dB.
● Thermal insulation performance: The thermal resistance value of a 200mm thick wall is 4.24K •㎡/W, indicating excellent thermal insulation performance.
Advantages and disadvantages analysis
Advantages:
● Fast construction speed: Steel structures are suitable for factory processing, with a high degree of mechanization in the manufacturing process, a short construction period, and minimal damage to the on-site construction environment, which is conducive to improving civilized construction.
● Good seismic performance: Steel has good ductility and toughness, can absorb seismic energy well, and has a high degree of structural safety.
● Environmental protection and energy conservation: Steel can be recycled and reused, meeting the needs of sustainable development.
Disadvantages:
● High cost: The cost of steel materials is relatively high, but it saves the cost of setting up scaffolding and formwork, resulting in overall high investment efficiency.
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