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Shandong Huajian Steel Structure Co., Ltd. : Your Professional Bolt Ball Grid Structure Manufacturer!

Shandong Huajian Steel Structure Co., Ltd. is located in the hometown of Confucius and Mencius, the canal capital of Jining City, Shandong Province. It is a large modern enterprise integrating steel structure workshop, high-rise housing, bridge, grid, power plant, mine, and other high-rise large-span steel structure engineering, civil building design, production and installation.

Why choose us?

Production equipment

With H-type steel, high-frequency welded steel, pipe truss, envelope plate and other production lines, all kinds of production and testing equipment is complete, the annual output of steel structure is more than 300,000 tons.

Professional team

At present, the company has more than 200 people, including engineers / builders / designers and other advanced talents, and has established a streamlined production and management team and a skilled engineering installation and construction team.

Sales market

Company and China construction 8, the fourth bureau, China railway 10 bureau, 14,15, in mechanical and electrical bureau, China minmetals established good relations of cooperation, the company constantly keep pace with The Times, establish international trade, now the company products sold to Russia, the republic of Mali, Malaysia, Saudi Arabia, Pakistan, Algeria, South Africa and other countries.

One-stop solution

The company has strong scientific research strength and has R&D capabilities such as market research, product planning, styling design, structural design, etc. It can provide one-stop services from design, processing and manufacturing, construction and installation, to engineering consulting and management.

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Benefits of Bolt Ball Grid Structure

01/

Flexibility
Bolted ball grid frames are very flexible in design and can be adapted to different shapes and sizes required. This flexibility allows it to be used in a wide variety of architectural and engineering projects.

02/

Quick installation
Bolted ball grids are usually connected with standardized members and bolts, which makes the installation process faster and more efficient. Compared to traditional welding methods, bolting saves time and labor costs.

03/

Removability
Bolted connections make the ball grid structure removable for later maintenance, repair or adjustment. This is especially useful when structural changes or dismantling are required to move the structure.

04/

Adaptability to complex terrain
Due to its spherical shape, the bolted ball grid is more easily adaptable to complex terrain. This gives it an advantage in projects in mountainous areas, water or other irregular terrain.

05/

Lightweight
Bolted ball grids are often designed with lightweight but strong materials, such as aluminum or lightweight steel, to reduce the overall weight of the structure. This is an advantage for applications that are sensitive to structural weight, such as large suspended roofs.

06/

Good wind resistance
Due to the geometry of the spherical structure, bolted ball grids typically have good wind resistance in the face of wind. This makes it more reliable in areas that are windy or often subject to strong winds.

Product Specifications

Standard	GB
Grade	Steel(Q235B/Q355)
Place of Origin	China
Tolerance	±1%
Processing Service	Bending, Welding, Decoiling, Cutting, Punching
Surface Treatment	Hot dip galvanized or Painted (Epoxy zinc-rich primer, epoxy zinc-rich intermediate paint, polyurethane topcoat/fluorocarbon topcoat/ acrylic polyurethane topcoat)
Drawing Software	Auto-CAD, SketchUp, Revit, ect.
Delivery Time	22-30 days/To be negotiated
Color	Customized Color
Size	Customized Size
Installation	Online/On-site engineer guidance
Application Fields	Steel Structural Fabrication Construction
Supply Ability	4000 Tons per Month

Bolt Ball Grid Structure Safety Testing Method

Visual inspection
By visually inspecting the surface of the structure, check for obvious damage, deformation, corrosion, cracks, and other issues.

Ultrasonic testing
Ultrasonic testing can detect cracks or defects within structures through high-frequency sound waves, especially suitable for inspecting welded joints and internal defects in steel.

Magnetic particle testing
Magnetic particle testing is suitable for inspecting cracks and defects on the surface of steel structures, especially at welds and connection points.

Mechanical performance testing
Through mechanical performance testing, the bearing capacity, strength, and stiffness of the steel structure bolt ball grid are tested to confirm whether it can withstand the loads generated during normal use.

Bolt tightness testing
Check whether the bolt connection of the bolted ball joint is tight to ensure the stability of the connection.

Dynamic monitoring
Install sensors for real-time dynamic monitoring of the grid structure, monitoring the response of the structure under external factors such as wind and earthquake loads.

Thermal imaging detection
Use infrared thermal imaging instruments for non-destructive testing of steel structures, inspect the surface temperature distribution of the structure, and discover potential thermal damage or corrosion.

Seismic performance evaluation
The seismic performance of steel structure bolt ball grid churches needs to be evaluated, especially in earthquake prone areas, to ensure that the structure can maintain stability under seismic loads.

Environmental impact assessment
Check whether the surface of the steel structure is affected by environmental factors such as corrosion, mold, etc., especially in humid or seaside environments where steel structures are prone to corrosion.

Load test
Conduct actual load tests on steel structure grids, simulate actual usage situations, and ensure the stability and safety of the grid structure.

Maintenance and After-Sales Service

Regular maintenance and inspection

Provide regular inspection and maintenance services for steel structures, especially for anti-corrosion, structural deformation, and connection parts, to ensure the long-term safety of the building.

Maintenance and reinforcement

In the event of damage, corrosion, or other issues with the steel structure, the manufacturer provides timely maintenance and reinforcement services to extend the service life of the structure.

Technical support and consultation

In the process of use, if technical problems are encountered, the manufacturer provides continuous technical support and consulting services to help solve problems in operation and maintenance.

Packaging and Shipping

Certifications

FAQ

Q: What are the main design considerations for a bolt ball grid structure?

A: Main considerations include load - Bearing capacity (dead load, live load, wind load, snow load etc.), structural stability, spatial layout requirements, connection details between bolt ball joints and members, and compliance with relevant building codes and standards.

Q: How is the load transfer mechanism in a bolt ball grid structure?

A: Loads are first applied to the grid members. These members transfer the loads to the bolt ball joints. The bolt ball joints then distribute the loads to the adjacent members and ultimately to the supporting structures.

Q: What types of loads are typically considered in the design of bolt ball grid structures?

A: Dead loads (self weight of the structure and permanent attachments), live loads (occupancy, movable equipment), wind loads (calculated based on local wind speed and exposure category), snow loads (depending on the geographical location and building height), and in some cases, earthquake loads.

Q: How are the sizes of bolt ball joints determined?

A: The size of bolt ball joints is determined based on the magnitude of the forces transferred through the joints, which is related to the overall structural loads, member forces, and the number of connected members at each joint.

Q: Can bolt ball grid structures be designed for large span applications?

A: Yes, they can be designed for large span applications. Their structural form and the ability to distribute loads effectively make them suitable for covering large areas without intermediate columns in many cases.

Q: What are the key steps in the construction of a bolt ball grid structure?

A: First, the foundation is prepared. Then, the bolt ball joints and members are pre fabricated in the factory. On - Site, the structure is assembled by connecting the members to the bolt balls using high strength bolts, followed by the installation of roofing and cladding systems.

Q: How are the bolt ball joints and members transported to the construction site?

A: They are usually transported in a disassembled state. Bolt ball joints are carefully packaged to prevent damage, and members are often bundled or crated depending on their size and shape.

Q: What kind of quality control is required during the construction of bolt ball grid structures?

A: Quality control includes inspection of the pre fabricated parts for dimensional accuracy, checking the strength and quality of high strength bolts, ensuring proper alignment during assembly, and conducting load tests on completed sections if required.

As one of the most professional bolt ball grid structure manufacturers and suppliers in China, we're featured by quality products and good price. Please rest assured to buy customized bolt ball grid structure made in China here from our factory.

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