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Long Span Steel Structure

A long span steel structure refers to a type of construction characterized by its ability to cover large areas without the need for intermediate supports or columns. Long span steel structures often feature long span steel trusses, arches, or space frames to support the roof and distribute loads efficiently across the span. Advanced engineering techniques and innovative design solutions allow for the construction of large span steel structures capable of spanning hundreds of meters while maintaining structural integrity and stability.

UAE Steel Structures For Sale
Long Span Steel Structures

Applications of Long Span Steel Framing

Long span steel framing finds diverse applications across various industries and sectors due to their ability to cover expansive areas without the need for intermediate supports or columns. There are steel structure factory, warehouse and many other applications.

  • Warehouses: Long span steel structures are widely used in warehouses and distribution centers to provide ample storage space for goods and materials. The large clear span areas offered by steel structure warehouses enable efficient storage and retrieval operations, maximizing storage capacity and optimizing inventory management.
  • Steel Warehouse Structure
    Steel Warehouse Structure
  • Factories and Manufacturing Facilities: Factories and manufacturing facilities utilize long span steel structures to house production lines, equipment, and machinery. The open-plan layouts of steel structure factory facilitated by steel structures allow for efficient workflow and space utilization, enabling manufacturers to optimize production processes and accommodate changing manufacturing needs. The large span steel structure can be part of lifting solution for manufacturing industry.
  • Steel Structure Factory Design
    Steel Structure Factory Design
  • Production Workshops: Production workshops in industries such as automotive, aerospace, and machinery manufacturing rely on large span steel structures to create flexible and adaptable workspaces. These steel structure workshop structures provide a safe and spacious environment for assembling, testing, and servicing large-scale products and components.
  • Aircraft Hangars: Aircraft hangars utilize long span steel structures to accommodate aircraft of various sizes, from small private planes to commercial jets and military aircraft. The expansive clear span areas offered by steel structure hangars enable aircraft to be maneuvered and serviced efficiently, while also providing protection from weather elements.

Airplane Hangar Steel Structure
Airplane Hangar Steel Structure

Different Types of Long Span Steel Structure for Your Project

We provide a variety of long span steel structure design, processing and production for different projects, including grid structure, steel structure workshops and warehouses, etc.

Large-span Steel Grid Structure

Steel Grid Structure
Steel Grid Structure
Grid Steel Structure Hangar for Sale
Grid Steel Structure Hangar

Features of Grid Structure

The grid steel structure is a widely used long span roof structure. It has the following salient features:

  • The long span steel structure grid has strong integrity, good stability, high spatial rigidity and good seismic performance.
  • It can be assembled into a large-span building with small rods, effectively using the building space.
  • The rod specifications are uniform, suitable for industrial production.
  • It can adapt to a variety of flat shapes such as round, square, polygon, etc.
Grid Frame Steel Structure Price
Grid Frame Steel Structure
Exhibition Hall Grid Steel Structure for Sale
Exhibition Hall Grid Steel Structure
Large Span Steel Grid Structure for Sale
Large Span Steel Grid Structure

Selection of Rods And Node Structure

Rod selection

Material: Q235, Q345, Q390, Q420, etc.

Section form: round steel tube, square steel tube, angle steel and combined section.

Section selection: according to the internal force of the rod, the section size is determined by the axially stressed member. The selected section specifications should not be too many.

Grid Structure Rods
Grid Structure Rods
Tie Rods
Tie Rods

Node types and characteristics

The characteristics of the node: reliable work, simple structure, convenient processing and installation, saving materials.

Node types:

Internal nodes: steel plate joints, welded ball joints, bolted ball joints, etc.

External nodes: support nodes, suspension nodes, roof nodes, etc.

Bolt Balls
Bolt Balls
Bolt Ball Machining
Bolt Ball Machining
Support Connection
Support Connection

Anti-corrosion And Fire Prevention Measures of Grid Structure

The anti-corrosion of the grid structure

The rods and nodes of the grid structure are made of steel, and the biggest disadvantage of steel is that it is easy to corrode. Therefore, effective anti-corrosion measures must be taken.

There are three anti-corrosion methods for the large span grid structure:

  • Use anti-corrosion steel
  • Protect the steel surface with metal coating
  • Coat the surface of the steel with a non-metallic protective layer

The fire prevention of the grid structure

Most of the grid structures are used as building roofs to be applied in various large-span buildings. The fire protection measures for the grid structure include: spraying fireproof paint, and water spray system for protection.

Long Span Steel Structure Industrial Building

For large-span industrial buildings, including assembly workshops, maintenance workshops, large warehouses etc., steel structures are an economical choice.

Steel Warehouse Structures for Sale
Steel Warehouse Structures for Sale

Features of Industrial Steel Structure Buildings

  • Simple construction, low cost and short construction period: The large span steel structure building is mostly single-story building, with light steel columns, beams or reinforced concrete columns as the main load-bearing members. so the construction requirements are far lower than other types of buildings. In addition, its components are light in weight and can be prefabricated in large quantities, so the overall budget cost is relatively low, construction is quick, and the construction period is short.
  • Long span and large space: With large bay design, the indoor space can be divided into multiple forms to meet the diversified use requirements.
  • Durable and easy to repair: Steel structure factory buildings can effectively resist the harsh natural environment, and are far superior to traditional buildings in terms of earthquake resistance and fire resistance. It is easy to maintain and repair.
  • Energy-saving: The wall adopts light-weight energy-saving C-shaped steel, square steel, and sandwich panel, which has good thermal insulation performance and good seismic resistance.
  • Environmental friendly: When steel structure buildings are demolished, most of the materials can be reused or degraded without polluting the environment.

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Main Components of Long Span Steel Construction

Long span steel construction involves various components that work together to create expansive, open spaces without the need for intermediate supports or columns. Here’s an introduction to the key components:

  • Main Structural Members: The main structural members form the framework of the long span steel structure and provide support for the roof and floor loads. These members typically include long span steel beams, girders, and long span steel trusses, which are fabricated from high-strength steel sections such as I-beams, H-columns, or box girders. These members are designed to withstand the applied loads and distribute them efficiently across the structure.
  • Solutions For Steel Structure Workshops And Overhead Cranes
    Steel Structure Framework
  • Roof System: The long span steel structure roof system comprises the roofing material, long span roof trusses or beams, purlins, and other components that support and protect the building’s interior from weather elements. Long span roof trusses or beams span the distance between the main structural members, providing support for the roof covering.
  • Floor System: The floor system includes the structural elements and materials that support the building’s floors and provide a stable platform for occupants and equipment. This may include steel beams, joists, and decking, as well as concrete slabs or composite floor systems. The floor system is designed to withstand the imposed loads and provide adequate support for various uses within the building.
  • Columns and Supports: Large span steel structures may require columns or supports at the building’s perimeter or at specific intervals to provide additional stability and resist lateral forces such as wind or seismic loads. These columns are typically made of steel sections and are designed to transfer vertical loads from the roof and floor systems to the foundation.
  • Steel Columns And Beams
    Steel Columns And Beams
    Wind Resistant Column
    Wind Resistant Column
    Steel Structure Columns
    Steel Columns
  • Bracing Systems: Bracing systems are used to resist lateral forces and prevent structural deformations or instability in long span steel structures. These systems may include diagonal bracing, cross-bracing, or shear walls strategically located throughout the building. Bracing systems enhance the overall stiffness and performance of the structure, particularly in regions prone to high winds or seismic activity.
  • Vertical Bracing
    Vertical Bracing
    Horizontal Bracing
    Horizontal Bracing
    Straight Brace
    Straight Brace
  • Cladding and Enclosure: Cladding and enclosure systems provide the building’s exterior envelope and protect it from weather elements while enhancing its aesthetics. Cladding materials can include metal panels, glass curtain walls, precast concrete panels, or other architectural finishes. These systems are installed on the exterior of the structure and contribute to its thermal performance, weather resistance, and visual appeal.

Advantages of Long Span Steel Structure

Long span steel structures offer numerous advantages across a wide range of construction projects, from industrial facilities to commercial buildings. Engineered with precision and constructed with high-quality materials, these structures provide unparalleled benefits that enhance efficiency, durability, and versatility in architectural design. The advantages of large span heavy steel structures include:

  • Exceptional Strength and Durability: Long span steel structures are renowned for their superior strength-to-weight ratio, enabling them to withstand heavy loads and adverse weather conditions without compromising structural integrity. Made from high-grade steel materials, these structures boast exceptional durability, ensuring long-term performance and minimal maintenance requirements.
  • Flexibility in Design: One of the most significant advantages of large span steel structures is their versatility in architectural design. Steel’s inherent properties allow for flexible and innovative design solutions, enabling architects and engineers to create spacious, open-plan layouts with minimal support columns.
  • Large Clear Span Areas: Long span steel structures can cover expansive areas with minimal obstruction, thanks to their ability to span large distances without the need for intermediate supports or columns. This feature maximizes usable floor space, providing ample room for various activities and functions within the building.
  • Rapid Construction: Steel structures are prefabricated off-site and assembled on-site, resulting in faster construction times compared to traditional building methods. The efficiency of steel fabrication and erection processes significantly reduces construction schedules, allowing for quicker occupancy and faster return on investment. This rapid construction capability is particularly advantageous for time-sensitive projects or environments with tight deadlines.
  • Sustainability and Environmental Benefits: Steel is a highly sustainable building material, as it is recyclable, energy-efficient, and contributes to reduced waste generation during construction. Long span steel structures can incorporate sustainable design features such as daylighting, natural ventilation, and renewable energy systems, further enhancing their environmental performance.

In summary, long span steel structures offer lots of advantages that make them the preferred choice for a wide range of construction projects.

Combined Crane Steel Structure Solution

The combined solution of long span steel structures and overhead cranes offers a comprehensive and efficient solution for industries requiring large, open spaces for manufacturing, warehousing, and material handling operations. By integrating long span steel structures with overhead crane systems, businesses can optimize space utilization, enhance workflow efficiency, and streamline material handling processes. Here’s an introduction to the combined solution:

Steel Structure Workshop With Overhead Cranes
Steel Structure Workshop With Overhead Cranes

Long Span Structure System

Long span steel structure system provides expansive, column-free spaces that are ideal for accommodating industrial overhead crane systems. These structures are engineered to span large distances without the need for intermediate supports or columns, maximizing usable floor space and enabling efficient layout designs.

Overhead Crane Systems

Overhead crane systems are essential for lifting, moving, and positioning heavy loads within industrial facilities. These crane systems consist of a bridge, hoist, trolley, and runway, which are mounted on overhead rails or beams installed within the large span industrial steel structure. Overhead cranes offer high lifting capacities, precise positioning capabilities, and efficient material handling solutions, making them indispensable for manufacturing, assembly, and warehousing operations.

Overhead Crane And Steel Structure Solutions
Overhead Crane And Steel Structure Solutions

Integration and Compatibility

The combined solution of long span steel structures and overhead crane systems requires careful integration and compatibility to ensure optimal performance and safety. Engineers and designers collaborate to coordinate the placement and installation of overhead crane rails or beams within the steel structure, taking into account load capacities, clearances, and structural support requirements. Proper integration of crane steel structure ensures seamless operation and maximizes the utilization of available space.

Why You Should Choose Us

Choosing Aicrane for purchasing long span steel structures offers numerous advantages that cater to the diverse needs and requirements of clients seeking reliable and efficient solutions for their construction projects. Here are several compelling reasons why you should choose Aicrane:

  • Industry Expertise: Aicrane boasts extensive experience and expertise in the design, manufacturing, and installation of large span steel structures in China and around the world. With years of industry experience, we have developed a deep understanding of the unique challenges and requirements associated with various construction projects, enabling us to deliver tailored solutions that meet the highest standards of quality and performance.
  • Aicrane Team of Engineers
    Aicrane Team of Engineers
  • Customization Options: At Aicrane, we understand that every construction project is unique, and we offer a wide range of customization options to accommodate the specific needs and preferences of our clients. Whether you require a standard design or a customized solution tailored to your project requirements, our team of skilled engineers and designers will work closely with you to develop the perfect long span steel structure for your application.
  • High-Quality Materials: We are committed to using only the highest quality materials and components in the construction of our long span steel structures and custom overhead cranes. Our structures are fabricated from premium-grade steel materials that are known for their strength, durability, and reliability, ensuring long-term performance and structural integrity even in the most demanding environments.
  • Advanced Manufacturing Facilities: Aicrane operates state-of-the-art manufacturing facilities equipped with advanced machinery and technology to ensure precision engineering and superior quality control. Our manufacturing processes of the prefab steel structure adhere to strict quality standards and procedures, allowing us to deliver products that meet or exceed the expectations of our clients.
  • Aicrane Factory
    Aicrane Factory
  • Efficient Project Management: We understand the importance of timely project delivery and strive to provide efficient project management services to our clients. Our dedicated project managers work closely with clients throughout every stage of the project, from initial concept development to final installation, ensuring smooth execution and on-time delivery of the long span steel structure.
  • Comprehensive Support Services: At Aicrane, we are committed to providing comprehensive support services to our clients before, during, and after the sale. From initial consultations and design assistance to technical support and maintenance services, our team is always available to address any questions or concerns and ensure a seamless experience for our clients.
  • Aicrane After-Sales Service Team
    Aicrane After-Sales Service Team
  • Cost-Effective Solutions: We understand the importance of cost-effectiveness in construction projects and strive to provide competitive pricing without compromising on quality or performance. Our efficient manufacturing processes, combined with our extensive industry experience and expertise, enable us to offer cost-effective solutions that deliver exceptional value to our clients.


What is long span steel structure?

A long span steel structure refers to a type of building or structure constructed using steel components, such as beams and trusses, that spans large distances without the need for intermediate support columns or walls. These structures are characterized by their ability to cover expansive areas with minimal internal support, allowing for open and flexible interior spaces. Long span steel structures are commonly used in buildings such as warehouses, factories, aircraft hangars, sports arenas, and exhibition halls, where large uninterrupted spaces are required for various activities or functions.

Why is the long span steel structure required?
The long span steel structure is required primarily because it offers the capability to create expansive, uninterrupted interior spaces without the need for internal support columns or walls. This feature is particularly advantageous in buildings such as warehouses, factories, aircraft hangars, where large open areas are essential for accommodating machinery, equipment, storage, or events. Additionally, long span steel structures provide flexibility in design, allowing for customization to meet specific functional and aesthetic requirements.

What is the cost of long span steel structure?

The cost of a long span steel structure varies depending on several factors, including the size of the structure, the complexity of the design, the quality of materials used, and the location of the project. Generally, long span steel structures tend to be more expensive than traditional building methods due to the use of steel, which can be costly. Additionally, factors such as site preparation, installation labor costs, and any additional features or customization can also impact the overall cost.

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