Analysis of the Characteristics of Large-span Space Frame Structures

Modern large-span space frame structure shows distinctive features in design and construction. LFBJMB has been deeply engaged in the industry for many years, and has transformed these technical features into practical engineering advantages, providing functional and innovative solutions for various large buildings.

Increasingly diversified and complex structural forms

Modern large-span space steel structure is no longer limited to the use of traditional single structural forms, new structural forms and various combinations of structural forms are constantly emerging.

Large structural span, high steel grade and thick steel plate

Due to the needs of building functions, the span of modern space steel structure is getting bigger and bigger, and short span over 100 meters is common, such as the span of Bird’s Nest of the National Stadium is 296 m, the span of National Swimming Center is 177 m, the span of Guangzhou International Convention and Exhibition Center is 1266 m, and the arch span of Nanjing Olympic Sports Center Stadium is 360 m. The large number of application of modern prestressing technology, prestressing technology and other advanced technologies have made the structure more and more diversified and complicated, and the new structural forms and various combined structural forms are constantly emerging.

The massive application of modern prestressing technology

Prestressing as a new technology has been fully applied, and new structural forms such as cable dome, tensile monolithic structure and cable membrane structure have emerged. The Olympic badminton stadium (Beijing University of Technology Stadium) adopts the world’s largest span string dome structure. The National Gymnasium adopts the world’s largest span of two-way tensile beam structure.

Complex and Various Node Forms

Most of the modern space steel structure adopts ecological architecture, and in order to meet the architectural shape, various node forms are adopted, such as cast steel nodes, forged steel nodes, ball-hinge nodes and so on.

CAD Design and CAM Manufacturing Technology

With the application of computer technology, informatization technology and advanced numerical control equipment, space steel structure products need the comprehensive application of information technology, design technology, manufacturing technology and management technology to improve the production efficiency and realize the goal of customization, so as to improve the innovation ability and management level of space steel structure products.

Reasonable Selection of Installation Methods

The so-called selection of reasonable installation methods is to find an optimal balance between safety, economy and applicability. The construction methods of traditional space steel structure generally include: overhead bulk installation method, strip or block installation method, overhead skidding method, overall lifting method, overall lifting method, overall jacking method, etc. LF always takes “technology integration” as the main principle to improve the safety of space steel structure products and to improve the management level.

LFBJMB always takes “technology integration and scene adaptation” as the core, providing full-cycle services for stadiums, exhibition centers, industrial plants and other scenes. Our strength lies not only in our accurate grasp of the characteristics of large-span structures, but also in our ability to transform technology into real value – making every building a synthesis of safety, efficiency and aesthetics.