ASTM A709 Steel Pedestrian Bridge Solutions Painting Or Hot Dip Galvanized

Advanced Steel Pedestrian Bridge Solutions

‌

1. 1. ✔ ‌Smart Span Configurations‌

      • Midtown models: 60-120 ft clear spans with ¼" per ft camber
      • Campus connectors: Continuous 400 ft systems with seismic expansion joints
      • Cantilever designs: 30 ft overhang capability for constrained sites

      ✔ ‌Performance-Driven Materials‌

      • Primary framing: High-toughness ASTM A709 Gr.50 weathering steel
      • Decking: Diamond-grid aluminum panels (ADA-compliant ½" treads)
      • Coating system: 3-coat zinc-rich primer/polyurethane finish (40+ year lifespan)

      ---

      ‌Fabrication Advantages‌

      • ‌Digital precision‌:
        • Laser-cut splice plates with sub-1/16" tolerance
        • Robotic welds meeting AWS D1.5 Bridge Code Class B
      • ‌Modular efficiency‌:
        • Shop-assembled truss segments (max. 40 ft for standard hauling)
        • Plug-and-play utility raceways (electrical/lighting pre-installed)

      ---

      ‌Installation Edge‌

      • ‌Zero traffic disruption‌:
        Overnight placements using SPMT transporters (300-ton capacity)
      • ‌Foundation flexibility‌:
        Micropile or helical pier options for variable soil conditions
      • ‌Smart alignment‌:
        Laser-guided jacking system corrects ≤3° horizontal deflection

      ---

      ‌Why Contractors Specify This System‌

      1. ‌Time savings‌:
         • 6-week design-to-completion timeline vs. 6+ months for concrete
         • 90% shop fabrication minimizes weather delays
      2. ‌Cost control‌:
         • 30% lighter = smaller crane requirements
         • No formwork or curing costs
      3. ‌Sustainability‌:
         • 80% recycled steel content (LEED contribution)
         • 100% demountable/recyclable structure

      ---

      ‌Real-World Performance Metrics‌

      • ‌Load tested‌: 250 psf live load (5x code requirement)
      • ‌Vibration control‌: <0.5 in/sec² at 2.8 Hz walking frequency
      • ‌Low maintenance‌: 1.5 mils/year corrosion rate in C3 environments

   

OEM service available. 

A dedicated team of fast response;

EN1090 & AISC & CWB & JIS Certificated Quality;

Full production line for customized products;

Close to Sea port, Convenient for visit and delivery;

150000M2 Manufacturing Area capable to take large volume