What are the advantages of welded spherical node space frames?
1. Superior Structural Performance
High rigidity: Strong grid continuity and minimal overall deformation.
High load-bearing capacity: Welded spherical nodes eliminate the risk of bolt loosening, and node strength is close to the strength of the members.
Excellent seismic resistance: Multi-directional force distribution and high redundancy.
2. High Design Flexibility
Spherical nodes can connect multiple members at different angles (typically 6-12), adapting to complex grid divisions.
Member specifications can be differentiated in design, optimizing steel usage.
3. Significant Economic Benefits
Lower steel consumption than traditional steel structures; the larger the span, the more pronounced the economic advantages.
Long service life and low maintenance costs.
4. Construction Quality Control
Factory prefabrication ensures precision and reduces on-site errors.
Mature welding technology (such as CO₂ gas shielded welding) ensures reliable weld quality.
5. Strong Architectural Expression
The structure is lightweight and can be combined with translucent materials (such as ETFE membrane) to achieve light and shadow effects.
The grid has a strong sense of rhythm, combining technical beauty and artistic beauty.
Problems that can be solved:
1. Large-span space coverage
No intermediate columns are required, allowing for spans exceeding 50 meters, meeting the large-space requirements of stadiums, airport terminals, and other similar structures.
2. Adaptation to complex loads
It can withstand uneven loads (such as wind and snow loads) and dynamic loads (such as equipment vibration), ensuring strong structural stability.
3. Irregular curved surface design
Flexible nodes support complex architectural forms such as double-curved surfaces and free-form surfaces, adapting to the aesthetic needs of modern architecture.
4. Improved construction efficiency
Factory prefabrication reduces on-site welding, shortens construction time, and lowers the risks associated with working at heights.
5. Corrosion resistance and durability
The nodes have good sealing properties and can be enhanced with hot-dip galvanizing or coating processes to improve corrosion resistance, making them suitable for humid and corrosive environments.
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