Metro Build
1 / 5
As a new type of building system, steel structure building breaks through the boundaries of real estate, construction and metallurgical industries, and integrates them into a new industrial system. This structural system has superior performance and diverse application scenarios, and is the most popular choice in construction.
Steel structure building is a building with steel as the load-bearing structure. The load-bearing structure is usually composed of beams, columns, trusses and other components made of steel and steel plates. And together with the enclosure structures such as roofs, floors and walls, it forms a complete building.
Compared with traditional concrete structures, steel structure buildings use steel plates or steel to replace reinforced concrete, so they are stronger and more earthquake-resistant, and because of the reusability of steel, construction waste is greatly reduced.
Portal frames consist of rigidly connected steel beams and columns that form a moment-resisting framework. This system is especially effective for low-rise industrial buildings where large, open floor areas are needed without interior supports-such as in warehouses, workshops, and aircraft hangars.
This type of steel structure uses vertical steel columns and horizontal beams to form a skeletal framework that supports floors and walls. It allows for highly adaptable floor plans and can be scaled vertically, making it a preferred solution for complex urban buildings.
Trusses are triangulated steel assemblies made from slender members joined at nodes. Designed to carry loads primarily through axial tension and compression, they achieve long spans with remarkable efficiency and minimal material use.
A space frame is a three-dimensional structural system composed of interconnected struts arranged in a geometric grid. Unlike flat trusses, space frames carry loads in multiple directions, making them ideal for covering wide, open areas.
This steel structure system utilizes cold-formed, thin-gauge steel sections to create lightweight, yet strong and durable building frames. It's especially effective in low-rise structures that benefit from fast construction and modular prefabrication.
These structural systems utilize high-tensile steel cables, anchored to supports, to span large distances with minimal material mass. They are commonly used where both visual impact and engineering efficiency are required.
| Parameter Type | Specifications & Details |
|---|---|
| Main steel structure (columns and beams) | 1. Steel Q345(S355JR) or Q235(S235JR) H shape 2. Straight cross-section or Variable cross-section |
| Sub steel structure | 1. Material Q235(S235JR) steel 2. Bolt connections. Anti-rust painted or galvanized 3. Bracing: X-type or V-type or other type bracing made from angle, round pipe, etc 4. Purlin: C or Z type: Size from C80~C320, Z120~Z300 |
| Roof | Sandwich panel (PU/EPS/fiberglass/rock wool) or Colorful steel tile |
| Wall | Sandwich panel (PU/EPS/fiberglass/rock wool) or Colorful steel tile |
| Doors | Steel rolling shutter or others |
| Windows | Alu. Alloy window, or others |
| Edge Cover | Steel sheet 0.5mm thickness |
| Bolts | M24, M22, M16 embedded bolts, intensive bolts, galvanized ordinary bolts, high-strength bolts, etc |
| Others options | Skylight panel, Roof ventilator, Down pipe, Galvanized, Crane, sanitary Products |
| Foundation | Cement and steel foundation bolts |
Steel structure is the safest building material in the face of natural disasters. Steel structure has high strength, good plasticity and toughness, and has better earthquake resistance than traditional reinforced concrete. When an earthquake occurs, the steel structure can better resist the horizontal and vertical forces caused by the earthquake, maintain the overall stability of the building structure, and reduce structural damage.
The flexibility of steel structure building design allows architects to customize the structure and layout according to their needs. Compared with the limitations of traditional concrete load-bearing walls, steel structure buildings can adopt a clear span design to provide spacious interior space.
Customization can also be reflected in the size and appearance of the building. The length, width and height can be designed according to the needs of the building without size restrictions. In addition, many high-rise buildings can also purchase steel structure buildings. In terms of appearance, steel structure can be combined with color steel plate, composite plate or glass curtain wall to make the building more fashionable and full of commercial atmosphere.
The material cost of steel structure is higher than that of concrete, but its construction cost and later maintenance cost are much lower than that of reinforced concrete. Steel structure buildings are prefabricated in factories and assembled on site. 5-10 people can complete the construction of a steel structure building, saving manpower. In addition, compared with wood and concrete, it requires the least maintenance cost. The surface is sprayed with paint or hot-dip galvanized, which further enhances the corrosion resistance of the structure and can last up to 50 years.
Another significant advantage of steel-structured buildings is their construction speed. The components of steel structures are usually prefabricated in factories, and they include a series of steps such as cutting, welding, drilling, shot blasting, and painting. After these components are precisely made, they are transported to the construction site for rapid installation. Processing and installation can be carried out simultaneously, significantly shortening the construction period.
Steel structures are widely used in industry, commerce, agriculture and public buildings. The large span design of steel structure can be applied to industrial plants and warehouses, and the flexible structural design can adapt to commercial buildings, such as steel structure shopping malls and office buildings. The corrosion resistance of steel structure can meet the needs of agricultural buildings, such as steel structure chicken houses and pig houses. At present, some public buildings, such as airports and railway stations, also use steel structure buildings.
Steel has the characteristics of high strength, lightweight, excellent overall rigidity, and strong deformation ability, so it is widely used for large-span buildings.
Compared with building materials alone, the price of steel is higher than concrete, but prefab steel structure buildings have the advantages of a lightweight, fast, and straightforward construction.
Steel components are lightweight, so the cost of the foundation is low. The steel structures are prefabricated, allowing all structural components to be produced in the factory and shipped to the site.
The construction is fast and straightforward. A team of 10-15 people can quickly install a 2000 square meter steel structure workshop simply by reading the installation drawings, significantly reducing labor costs.
