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11
2026
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05
Technological Innovation and Architectural Applications of Ultra-Thin Steel Structures with Plate Trusses
Plate‑truss technology represents a major innovation in recent years for large‑span, ultra‑thin roofing applications. By integrating an “upper and lower steel plates with web members” into a single structural system, it delivers architectural performance characterized by reduced weight, thinner profiles, and greater span lengths.
Plate‑truss technology represents a major innovation in recent years for large‑span, ultra‑thin roofing applications. By integrating an “upper and lower steel plates with web members” into a single structural system, it delivers buildings that are lighter, thinner, and capable of spanning greater distances.
I. Technical Principles and Advantages
Structural configuration: The upper and lower steel plates serve both as load-bearing chords and as the decorative finish, integrating the structure with the architecture.
Thickness Advantage: The traditional space frame is only one-third as thick, with a minimum thickness of 50 mm, enabling an “ultra-thin roof.”
Increased stiffness: Higher section efficiency, with flexural stiffness improved by more than 40%.
Construction convenience: Fully prefabricated, combining bolted and welded connections, with factory‑fabricated components and rapid on‑site assembly.
Pipeline Integration: Internal cavities can conceal piping and lighting, while the exterior remains sleek and seamless.
II. Typical Application Scenarios
Large-span canopies, roofs, and skybridges: such as the Lujingtang ultra-thin steel canopy (50 mm thick).
Cultural venues, commercial complexes, and luxury residences: the Ribao Cultural Activity Center.
Landscape architecture and cantilevered structures: a modern, minimalist-style building.
III. Technical Value
Aesthetic appeal: Lightweight and transparent, delivering a breakthrough in architectural aesthetics.
Economic efficiency: reduced material usage, lower self-weight, and shorter construction duration.
Applicability: Suitable for large-span, high-clearance, aesthetically appealing public buildings.
Plate‑truss technology embodies the seamless integration of steel structures and architectural art, offering architects greater design freedom.
Important Disclaimer: This article is compiled based on publicly available patents and key points from case law. Technical details and implementation require authorization and technical support from the patent holders.
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