two storey steel structure building Cost-effective Solution

The GAOERJI two-story steel structure building doubles the space in a limited land and shortens the construction period by 50% compared with traditional concrete buildings through high-strength floor bearing slab system and modular frame design. As a source design and manufacturer, GAOERJI independently control the production link, eliminate the trade difference, and provide you with more competitive ex-factory prices and one-stop construction delivery services.

more than 50 years Service life
up to 30 meters Span range
500kg per square meter Second floor load
45 to 60 days Construction time
Q355B grade steel Material standard
8 degrees Seismic grade
up to 3 hours Fire time
two storey steel structure building

gear

the use of a two-story steel structure building scheme allows for functional vertical zoning without increasing the footprint. The 1 floor can be used as a column-free production space, and the second floor can be used as an administrative office or storage, which greatly improves land utilization and helps you maximize asset value output within a limited industrial plot.

gear

the two-story steel structure building is equipped with closed profiled steel plate and reinforced concrete composite floor bearing plate, and its damping characteristics can effectively absorb the small vibration generated by the operation of the equipment. This structure ensures the quietness of the office environment on the second floor, while protecting the delicate equipment on the 1 floor from activities on the upper floor.

gear

all main beams, columns and stair components are precisely prefabricated in the factory and mechanically assembled with bolts on site. The construction process of the two-story steel structure building does not require large-scale wet operations and is less affected by the season, ensuring that your business can be launched at least 3 months earlier than traditional buildings.

gear

using the light and high-strength characteristics of high-strength H-beams to realize the large headroom span of the 1 building. This design avoids dense support columns, provides a flexible physical basis for large production line arrangement or automated shelf installation, and facilitates enterprises to adjust the production layout at any time according to market demand.

gear

the wall and roof are integrated with grade a fireproof mineral wool or polyurethane sandwich panel, and the sealed node design of the two-layer steel structure building is matched. This enclosure system not only meets stringent building fire codes, but also provides excellent sound and heat insulation, significantly reducing long-term air conditioning operating costs.

gear

In the initial design of the two-story steel structure building, we will reserve column load redundancy and connection interface. This modular logic allows users to achieve local three-tier expansion or vertical extension through simple component connections during future business expansion, protecting your long-term fixed asset investment.

Technical ClassificationParameter standards and descriptionsReference Specifications
Main frame materialsQ355B / ASTM A572 grade steelPossessing high yield strength and toughness
Two-layer floor system1.2mm galvanized profiled steel sheet + cast-in-place concreteLoad-bearing capacity ≥ 5.0 kN/m²
Column grid spacing6.0 meters to 9.0 meters (typical value)Customization is available according to process requirements.
Anti-corrosion systemEpoxy zinc-rich primer + intermediate coat + topcoatTotal coating thickness ≥ 125 micrometers
Staircase systemPrecast steel stairs are equipped with patterned non-slip stepsCompliant with occupational safety and health standards
Wind pressure resistance0.5 kN/m² to 0.9 kN/m²Resisting a once-in-50-year strong wind
Roof drainageExternal or internal drainage system designA 5% drainage slope ensures no water accumulation.

Start-up founders and production managers

Designed for companies that need to rapidly set up a production and office base while maximizing space utilization. GAOERJI’s two-story steel-framed building, delivered via a rapid-deployment solution, addresses the urgent need of businesses to quickly commence production at the end of a lease term or during periods of business growth.

Two-story steel structure building – Applicable crowd

Industrial real estate investors

Developers who attract tenants and sublet space by building standard industrial buildings themselves. The two-story steel-framed building offers exceptional spatial versatility and flexibility, making it well-suited to a wide range of tenant needs, from light manufacturing to warehousing and logistics, thereby shortening the investment payback period.

Two-story steel structure building – Applicable crowd

Infrastructure Expansion Director for the Park

A manager responsible for expanding the R&D center or supporting facilities within the existing park by utilizing marginal or corner plots of land. The lightweight nature of steel-construction methods has minimal impact on existing buildings in the surrounding area, making it the preferred solution for “fill-in” development within the park.

Two-story steel structure building – Applicable crowd

Overseas EPC Contractors

For contractors performing commercial projects in areas where labor is scarce or the climate is harsh. We provide a full set of prefabricated parts and detailed assembly drawings to reduce the technical difficulty of on-site installation and ensure that the two-story steel structure can be delivered with high quality anywhere in the world.

Two-story steel structure building – Applicable crowd
two storey steel structure building raw materials/materials

two storey steel structure building raw materials/materials

two storey steel structure building raw materials/materials

two storey steel structure building raw materials/materials

Q355B grade high quality carbon structural steel produced by Baosteel or Shougang is strictly selected in GAOERJI, and the thickness tolerance of all steel plates is in line with international standards. The floor plate is made of high zinc layer galvanized coil, which has excellent anti-corrosion ability. Grade 10.9 high-strength torsional shear bolts are adopted for connection parts. The envelope material adopts the fluorocarbon layer color coating roll, to ensure that in the complex industrial atmosphere environment can still maintain 20 years without coating peeling.

two storey steel structure building life and after-sales service

attention

Pre-sales and after-sales service

BIM-based force simulation and 3D effect deepening design are provided before sales; In the after-sales stage, the GAOERJI provides a 15-year warranty for the main frame. We are committed to providing 24-hour remote technical response to customers around the world and providing long-term inventory supply of wearing parts.

attention

Product life and description

the two-story steel structure building design service period of 50 years. It is recommended that the enclosure joint sealant be routinely inspected every 5 years. Thanks to the high-strength fastening connection, the main structure does not need to be reinforced during the service period.

certificate

factory

Welcome to our Frequently Asked Questions page. We have compiled answers to common questions you may have, hoping to provide you with clear and quick solutions. If you cannot find the information you need here, please feel free to contact our customer support team.

Q: Will there be a noticeable echo or noise when walking on the second floor of a two-story steel structure?
A: No. We adopt the reinforced concrete composite floor scheme, the thickness is usually more than 120mm, this mass block effect with sandwich panel wall, can effectively isolate the impact sound and air sound, provide consistent with the traditional building office experience.
Q: Can this two-layer structure withstand the weight of large heavy machinery?
A: Yes. In the design stage, we will strengthen the second-layer beam system according to the equipment point load or uniform load data provided by you. For super heavy equipment, we recommend placing it on the 1 floor.
Q: How to ensure the safety of two-story steel structures in earthquake-prone areas?
A: Steel structures have natural ductility. We use a ductile frame and center support system in the design, and its seismic performance is far better than the traditional brick and concrete structure. Through the node energy dissipation design, it can effectively absorb seismic waves and protect the safety of internal personnel.
Q: Can the stairs on the second floor be installed outdoors to save indoor space?
A: Totally. We provide outdoor integrated steel ladder solutions, and equipped with canopy and anti-skid treatment, which not only saves the indoor production area, but also can be used as an independent fire safety channel, in line with the building code of most countries.
Q: How do you prevent deformation of your components during shipping?
A: We use steel structure packing racks for containerized loading. The key connection parts and components with large slenderness ratio will be equipped with temporary supporting ribs and separated by wooden cushion blocks to ensure that the geometric dimensions will not change during the sea turbulence of thousands of kilometers.
Q: If you need to install freight elevator in the future, can the design support it?
A: Yes. We only need to inform the load capacity and location of the elevator at the contract signing stage, and we will design the elevator shaft frame and the supporting structure reserved holes synchronously to realize the seamless integration of the two-story steel structure building and the vertical transportation system.
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two storey steel structure building Cost-effective Solution

The GAOERJI two-story steel structure building doubles the space in a limited land and shortens the construction period by 50% compared with traditional concrete buildings through high-strength floor bearing slab system and modular frame design. As a source design and manufacturer, GAOERJI independently control the production link, eliminate the trade difference, and provide you with more competitive ex-factory prices and one-stop construction delivery services.

two storey steel structure building

gear

the use of a two-story steel structure building scheme allows for functional vertical zoning without increasing the footprint. The 1 floor can be used as a column-free production space, and the second floor can be used as an administrative office or storage, which greatly improves land utilization and helps you maximize asset value output within a limited industrial plot.

gear

the two-story steel structure building is equipped with closed profiled steel plate and reinforced concrete composite floor bearing plate, and its damping characteristics can effectively absorb the small vibration generated by the operation of the equipment. This structure ensures the quietness of the office environment on the second floor, while protecting the delicate equipment on the 1 floor from activities on the upper floor.

gear

all main beams, columns and stair components are precisely prefabricated in the factory and mechanically assembled with bolts on site. The construction process of the two-story steel structure building does not require large-scale wet operations and is less affected by the season, ensuring that your business can be launched at least 3 months earlier than traditional buildings.

gear

using the light and high-strength characteristics of high-strength H-beams to realize the large headroom span of the 1 building. This design avoids dense support columns, provides a flexible physical basis for large production line arrangement or automated shelf installation, and facilitates enterprises to adjust the production layout at any time according to market demand.

gear

the wall and roof are integrated with grade a fireproof mineral wool or polyurethane sandwich panel, and the sealed node design of the two-layer steel structure building is matched. This enclosure system not only meets stringent building fire codes, but also provides excellent sound and heat insulation, significantly reducing long-term air conditioning operating costs.

gear

In the initial design of the two-story steel structure building, we will reserve column load redundancy and connection interface. This modular logic allows users to achieve local three-tier expansion or vertical extension through simple component connections during future business expansion, protecting your long-term fixed asset investment.

Technical ClassificationParameter standards and descriptionsReference Specifications
Main frame materialsQ355B / ASTM A572 grade steelPossessing high yield strength and toughness
Two-layer floor system1.2mm galvanized profiled steel sheet + cast-in-place concreteLoad-bearing capacity ≥ 5.0 kN/m²
Column grid spacing6.0 meters to 9.0 meters (typical value)Customization is available according to process requirements.
Anti-corrosion systemEpoxy zinc-rich primer + intermediate coat + topcoatTotal coating thickness ≥ 125 micrometers
Staircase systemPrecast steel stairs are equipped with patterned non-slip stepsCompliant with occupational safety and health standards
Wind pressure resistance0.5 kN/m² to 0.9 kN/m²Resisting a once-in-50-year strong wind
Roof drainageExternal or internal drainage system designA 5% drainage slope ensures no water accumulation.

Start-up founders and production managers

Designed for companies that need to rapidly set up a production and office base while maximizing space utilization. GAOERJI’s two-story steel-framed building, delivered via a rapid-deployment solution, addresses the urgent need of businesses to quickly commence production at the end of a lease term or during periods of business growth.

Two-story steel structure building – Applicable crowd

Industrial real estate investors

Developers who attract tenants and sublet space by building standard industrial buildings themselves. The two-story steel-framed building offers exceptional spatial versatility and flexibility, making it well-suited to a wide range of tenant needs, from light manufacturing to warehousing and logistics, thereby shortening the investment payback period.

Two-story steel structure building – Applicable crowd

Infrastructure Expansion Director for the Park

A manager responsible for expanding the R&D center or supporting facilities within the existing park by utilizing marginal or corner plots of land. The lightweight nature of steel-construction methods has minimal impact on existing buildings in the surrounding area, making it the preferred solution for “fill-in” development within the park.

Two-story steel structure building – Applicable crowd

Overseas EPC Contractors

For contractors performing commercial projects in areas where labor is scarce or the climate is harsh. We provide a full set of prefabricated parts and detailed assembly drawings to reduce the technical difficulty of on-site installation and ensure that the two-story steel structure can be delivered with high quality anywhere in the world.

Two-story steel structure building – Applicable crowd
two storey steel structure building raw materials/materials

two storey steel structure building raw materials/materials

two storey steel structure building raw materials/materials

two storey steel structure building raw materials/materials

Q355B grade high quality carbon structural steel produced by Baosteel or Shougang is strictly selected in GAOERJI, and the thickness tolerance of all steel plates is in line with international standards. The floor plate is made of high zinc layer galvanized coil, which has excellent anti-corrosion ability. Grade 10.9 high-strength torsional shear bolts are adopted for connection parts. The envelope material adopts the fluorocarbon layer color coating roll, to ensure that in the complex industrial atmosphere environment can still maintain 20 years without coating peeling.

two storey steel structure building life and after-sales service

attention

Pre-sales and after-sales service

attention

Product life and description

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Q: Will there be a noticeable echo or noise when walking on the second floor of a two-story steel structure?
A: No. We adopt the reinforced concrete composite floor scheme, the thickness is usually more than 120mm, this mass block effect with sandwich panel wall, can effectively isolate the impact sound and air sound, provide consistent with the traditional building office experience.
Q: Can this two-layer structure withstand the weight of large heavy machinery?
A: Yes. In the design stage, we will strengthen the second-layer beam system according to the equipment point load or uniform load data provided by you. For super heavy equipment, we recommend placing it on the 1 floor.
Q: How to ensure the safety of two-story steel structures in earthquake-prone areas?
A: Steel structures have natural ductility. We use a ductile frame and center support system in the design, and its seismic performance is far better than the traditional brick and concrete structure. Through the node energy dissipation design, it can effectively absorb seismic waves and protect the safety of internal personnel.
Q: Can the stairs on the second floor be installed outdoors to save indoor space?
A: Totally. We provide outdoor integrated steel ladder solutions, and equipped with canopy and anti-skid treatment, which not only saves the indoor production area, but also can be used as an independent fire safety channel, in line with the building code of most countries.
Q: How do you prevent deformation of your components during shipping?
A: We use steel structure packing racks for containerized loading. The key connection parts and components with large slenderness ratio will be equipped with temporary supporting ribs and separated by wooden cushion blocks to ensure that the geometric dimensions will not change during the sea turbulence of thousands of kilometers.
Q: If you need to install freight elevator in the future, can the design support it?
A: Yes. We only need to inform the load capacity and location of the elevator at the contract signing stage, and we will design the elevator shaft frame and the supporting structure reserved holes synchronously to realize the seamless integration of the two-story steel structure building and the vertical transportation system.
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