Q355B Q460 Steel Vierendeel Bracing Frame Truss Free Moment Resisting Design

Product Description
A Vierendeel Bracing Frame is an innovative structural system characterized by its truss-free, moment-resisting design (no diagonal bracing members), integrating lateral stability, spatial flexibility, and architectural aesthetics. Manufactured with Q355B/Q460 high-strength steel (beams, columns, and web members) and Q345B connection plates, this product features a rigidly connected frame structure composed of horizontal beams and vertical columns, forming rectangular or irregular panels that resist lateral loads (wind, seismic forces) and vertical loads through bending and shear action of the frame members. The beams and columns adopt H-beam or box-section cross-sections (customizable from 200×100mm to 600×300mm) with yield strength ≥345MPa, ensuring exceptional moment-resisting capacity (≥500kN·m) and lateral stiffness (≥1.0×10⁵ kN/m), while limiting structural lateral displacement to ≤H/600 (H=frame height) and inter-story drift to ≤1/400, fully complying with GB 50017-2017 and EN 1993 structural standards. Connection nodes utilize rigid bolt-welded joints with 10.9-grade high-strength bolts and full-penetration welds, reinforced by flange stiffeners to prevent local buckling, while factory prefabrication rate ≥90% guarantees component precision (dimension error ≤±0.8mm) and reduces on-site construction time by 40% compared to traditional braced frames. The surface is treated with hot-dip galvanizing, epoxy paint, or fluorocarbon coating, providing salt spray resistance ≥1200 hours and adapting to indoor, outdoor, and urban environments. Key features include unobstructed spatial layout (no diagonal braces to limit opening sizes or circulation), customizable panel sizes (2m×2m to 8m×6m), and compatibility with large windows, curtain walls, or open-plan designs. It supports seismic performance optimization via energy-dissipating devices (e.g., shear dampers) integrated into panel joints, suitable for seismic intensity zones 6-8 degrees. Professional services include finite element analysis (FEA) for moment distribution optimization, BIM-based design integration, on-site installation supervision, and load-bearing capacity testing, ensuring the frame balances structural safety, spatial flexibility, and architectural design freedom.

Applications
Vierendeel Bracing Frames are versatile structural solutions ideal for projects requiring open, unobstructed spaces and architectural flexibility, where traditional diagonal bracing would limit design possibilities. Certified by GB 50017-2017, EN 1993, and ISO 9001, they meet strict structural safety standards, making them a preferred choice for commercial, public, and residential buildings. These frames are widely used in commercial buildings (shopping malls, office towers with large windows/curtain walls), public buildings (museums, galleries, exhibition halls with open-plan layouts), residential buildings (luxury villas, lofts with large span spaces), educational facilities (classrooms, auditoriums with unobstructed views), and industrial buildings (clean rooms, workshops requiring flexible equipment layout). They are particularly essential for projects with architectural requirements such as full-height glass facades, large-span open floors, or irregularly shaped spaces, as the absence of diagonal braces maximizes natural light penetration and spatial usability. The minimum order quantity is 1 set (customized per project), with full tailoring based on architectural drawings, load conditions, and seismic requirements. Competitive project-based pricing and flexible delivery terms (18-35 workdays based on complexity) support design-driven construction schedules, while a monthly supply capacity of 60 project sets ensures timely delivery. Customization options include corrosion-resistant material upgrades (304/316L stainless steel, weathering steel) for coastal or industrial environments, fire-resistant coating integration (fire resistance ≥1.5 hours) for fire-critical buildings, and ultra-high-strength Q690 steel for large-span panels (up to 8m×6m) to reduce member size. Whether it's for new construction with open-space requirements or renovation projects (replacing traditional bracing to expand openings), the Vierendeel Bracing Frame delivers structural performance, design freedom, and spatial efficiency.