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Arch Space Frame
A dome space frame is a lightweight, rigid structural system composed of interlocking struts arranged in a geometric pattern to form a dome shape. It is a type of space structure that efficiently distributes loads in three dimensions, making it ideal for large-span roofs with minimal material usage
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An arch space frame is a structural system that combines the load-bearing efficiency of an arch with the lightweight, rigid properties of a space frame. This hybrid design is used to create large-span structures that can withstand significant loads while minimizing material usage.

Key Features of Arch Space Frame Structures

1. Structural Composition

  • Curved Arch + Space Grid: The structure consists of a three-dimensional truss following a curved (arch) profile.

  • Interconnected Elements: Made of linear members (struts) connected at nodes, forming triangular or polygonal units.

  • Materials: Typically steel or aluminum for strength and lightness; sometimes reinforced concrete or composites.

2. Load Distribution

  • Arches naturally transfer loads as compression forces along their curve.

  • Space frames distribute loads in three dimensions, enhancing stability.

  • The combination allows for longer spans with fewer supports compared to traditional arches.

3. Types of Arch Space Frames

  • Single-Layer Arch Space Frame: Simpler, used for moderate spans (e.g., canopies, small roofs).

  • Double-Layer Arch Space Frame: More rigid, used for large-span structures (e.g., stadiums, hangars).

  • Tied Arch Space Frame: Uses tension cables or ties to counteract outward thrust, reducing foundation loads.

Advantages of Arch Space Frame Structures

✔ Large Spans Without Intermediate Supports – Ideal for stadiums, airports, and bridges.
✔ Lightweight Yet Strong – High strength-to-weight ratio reduces material costs.
✔ Aesthetic & Functional – Smooth curves allow for visually striking designs.
✔ Modular Construction – Prefabricated components speed up assembly.
✔ Good Resistance to Dynamic Loads – Performs well under wind, snow, and seismic forces.

Applications

  • Stadiums & Arenas (e.g., Olympic stadiums, indoor sports halls)

  • Airport Terminals & Train Stations (e.g., large-span roofing)

  • Bridges & Viaducts (arch-space frame hybrid bridges)

  • Exhibition Halls & Convention Centers

  • Industrial Sheds & Aircraft Hangars

Famous Examples

  1. Bird’s Nest Stadium (Beijing, China) – Combines a steel space frame with an arched lattice shell.

  2. Milwaukee Art Museum (USA) – Features a movable arched space frame roof.

  3. Singapore Sports Hub – Uses arch-supported space frames for its domed roof.

Comparison: Arch Space Frame vs. Dome Space Frame

FeatureArch Space FrameDome Space Frame
ShapeCurved (semi-circular or parabolic)Spherical or geodesic
Load TransferPrimarily compression along the archMulti-directional load distribution
Span CapacityVery large spans (200m+)Large spans (100m-300m)
ApplicationsBridges, hangars, stadiumsPlanetariums, greenhouses, exhibition domes

Conclusion

Arch space frames are an advanced structural solution for long-span, lightweight, and aesthetically pleasing designs. They merge the best of arch action and space truss efficiency, making them ideal for modern architecture and engineering.


Specifications:
main steel frameH section steel beam and columns, painted or hot dip galvanizing, galvanized C section or steel pipe
Secondary frameHot dip galvanized C purlin, steel bracing , tie bar , knee brace , edge cover etc.
Roof panelSteel sheet, Alum-Zinc sheet , Alumnium sheet, EPS sandwich panel,glass fiber sandwich panel,rock wool sandwich panel,and PU sandwich panel etc.
Wall panelSandwich Panel or Corrugated Steel Sheet etc.
Tie RodCircular Steel Tube
BraceRound Bar
Knee BraceAngle Steel
Roof GutterColor Steel Sheet, Alum-zinc sheet, Gal. sheet, Stainless steel
Drawings & Quotation:
(1) Customized design is welcomed. We will quote for you promptly.
(2) In order to give you an exactly quotation and drawings, please let us know the length, width, eave height and local weather.
The above is for reference only,the specific required material components according to customer needs.


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Packing & Delivery

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FAQ

Q：

What one-stop services and technical support can we provide for overseas steel structure projects?

A：
We cover the entire project chain—from drawing to delivery.
For overseas steel structure projects, our one-stop services include:
Design & engineering — structural optimization, detailing and drawing confirmation tailored to local codes and site conditions
Fabrication — precision manufacturing in ISO 9001-certified facilities, with strict quality inspection at every stage
Export packing & logistics — seaworthy packing, clear documentation and coordinated shipping for long-distance delivery
On-site support — installation guidance, bolted-assembly documentation and responsive technical consultation until your project is operational
Technical support runs throughout: we confirm design details before fabrication, align drawings with production, and stay available after delivery—so every unclear point is resolved before it becomes a problem on site.
Q：

Why choose us rather than other suppliers?

A：
Because we solve the problem most suppliers ignore—the gap between what is promised and what is delivered.
We are built for overseas projects. Remote ordering, long-distance shipping and on-site assembly are our normal working mode—not exceptions we improvise around.
Engineering comes before fabrication. We confirm loads, layout, lifting logic and interfaces in the design stage, so problems are solved on paper, not after materials are cut.
One integrated chain, not disconnected handovers. Design, detailing, fabrication, inspection, packing and delivery follow-up run in one coordinated flow—reducing the mismatches that cause delays and cost overruns.
We stay available after shipment. Installation support and technical consultation continue until your facility is operational, not just until the container leaves the port.
Many suppliers can quote a price. What we offer is a predprojects, giving us stronger practical capability in international project delivery and on-site cooperation.
Q：

What products do we supply?

A：
We supply a wide range of prefabricated steel structures—from industrial facilities to infrastructure and specialized buildings:
Industrial buildings — workshops, warehouses and general industrial structures
Infrastructure — bridges, Bailey bridges and grid (space-frame) structures
Specialized buildings — villas, cold storage facilities and livestock buildings
Custom steel components — fabricated to your drawings for project-specific needs
Quality, manufacturing accuracy and delivery reliability are at the core of everything we ship. With our own factory and professional engineering team, we provide project-based custom solutions tailored to your drawings, technical requirements, application scenarios and site conditions—so the final structure fits the real project, not just the spec sheet.
Q：

How can we ensure quality?

A：
Quality is engineered into the process—not inspected into the product at the end.
Certified manufacturing — components are produced in our ISO 9001-certified facilities under controlled processes, with precision tooling and trained fabrication teams
Multi-stage inspection — quality checks run at every critical point: incoming materials, cutting and drilling, welding, surface treatment and final assembly
Dimensional verification — key dimensions are checked against approved shop drawings before packing, so what ships matches what was confirmed
Traceable documentation — material certificates, inspection records and packing lists accompany every shipment, giving you a clear paper trail from factory to site
For overseas projects, we add one more layer: drawings and production are aligned before fabrication begins, so quality issues are prevented at the design stage rather than discovered after shipment.
Q：

Who are we?

A：
We are a steel structure manufacturer and engineering partner built for overseas projects.
At our core:
A factory we own — multiple production lines in ISO 9001-certified facilities, giving us direct control over fabrication quality, scheduling and packing
An in-house engineering team — experienced in structural design, detailing and drawing coordination, working with tools including PKPM, 3D3S, Midas, SAP2000 and Tekla
An integrated service chain — from design and detailing to fabrication, inspection, export packing and delivery follow-up, managed as one coordinated flow rather than disconnected handovers
Global project experience — we serve industrial, agricultural and offshore clients across markets, and treat remote ordering, long-distance shipping and on-site assembly as our normal working mode
Put simply: we are the kind of supplier overseas buyers can rely on to communicate clearly, manufacture consistently and deliver as agreed—from the first drawing to the final bolt.

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