Steel Road Bridge Deck Panel to AWS D1.5 Welding Code and AS 5100

The Road Bridge Deck Panel is a prestressed concrete component specifically designed for highway bridge structures, constructed by factory prefabrication and on-site assembly. This product replaces the traditional on-site casting process, significantly shortening construction time, reducing on-site wet operations, while ensuring component dimensional accuracy and structural consistency. The panel is equipped with high-strength reinforcement or steel strands inside, providing excellent bending, shear, and fatigue resistance, making it suitable for the deck structural layer of various highway bridges.

1.Application Scenarios

2.Product Highlights

✔Fast Construction: Factory prefabrication and on-site pile foundation work can proceed simultaneously, with the installation of a single panel taking only 20-30 minutes, significantly shortening the on-site work period.

✔High Strength: Designed compressive strength can reach C50-C60 levels, meeting the load requirements of Highway Class I or Highway Class II.

✔Good Durability: Through optimized mix design and multiple waterproof treatments, it effectively resists chloride ion erosion and freeze-thaw cycles, with a designed service life of no less than 50 years.

✔Reliable Connection: The surface is preset with shear grooves, shear keys, and overlapped waterproof layer structures, facilitating a reliable bond with the asphalt paving layer.

3.Product Materials

●Main Concrete: C50/C60 high-strength concrete, with aggregate using continuously graded crushed stone and river sand

●Additives: Incorporating high-efficiency water reducer, air-entraining agent, and pore-opener, with water-cement ratio controlled below 0.35

●Prestress System: Low-relaxation steel strands (standard strength 1860 MPa) or HRB400 grade ordinary steel bars

●Mineral Admixtures: Fly ash and mineral powder to improve workability and durability

●Joint Filling Materials: High-elasticity epoxy mortar or polyurethane sealant

●Waterproof Layer Materials: Polymer-modified asphalt coating or cement-based crystalline penetration materials

4.Design Features

👉Structural Form: Uses bidirectional prestressing or bidirectional reinforcement

👉Slab Thickness Range: 180mm-260mm

👉Standard Width: 1.5m-2.5m

👉Slab Connection: Shear keys (interlocking grooves) and transverse prestressing bars are provided to form an integral load-bearing deck

👉Provisions for Auxiliary Facilities: Embedded anchor points, drainage slope (1.5%-2.0%), embedded bases for crash barriers, reserved slots for expansion joints

5.Core Advantages

⭐Extreme Environment Adaptability:Using low-temperature impact toughness materials (such as S460NL or ASTM A709 Grade 50T-2), it can maintain stable performance in extreme cold of -40°C or high-humidity marine environments, suitable for bridges in the Arctic Circle and offshore projects.

⭐Fatigue-Resistant Detail Innovation:Introducing U-rib internal welding technology or double-sided welding process, the fatigue grade of the U-rib-to-deck weld has been increased from FAT 90 to FAT 125, significantly extending the service life of bridge decks under heavy traffic.

⭐Pavement Layer Collaborative Optimization:The surface of the deck is treated with automatic shot blasting and coated with an epoxy anti-corrosion layer, combined with 3D laser scanning control for surface flatness (≤2mm/4m straightedge), ensuring the asphalt pavement layer does not develop reflective cracks.

⭐Intelligent Monitoring Integration:Embedded fiber Bragg grating strain sensors or wireless sensing nodes monitor deck strain and weld health status in real time, providing a data foundation for digital maintenance during operation.

⭐Full-Bolt Removable Design:High-strength bolt friction connections (no on-site welding) are used between panels, allowing individual panels to be independently removed and replaced, with replacement time not exceeding 4 hours per panel, significantly reducing traffic disruption during maintenance.

 

6.Global Standard

Global Standard	Specification Category	Compliance Benefit
BS EN 1991-2	Bridge traffic load standard	Meet European traffic load design requirements
ASTM D6684	FRP bridge deck material standard	Certify composite panel durability
JTG/T D64-01	China steel-concrete bridge code	Fit domestic highway standard construction
ISO 14688	Geotechnical & bridge deck material test	Unified global material performance inspection
NZTA Bridge Manual	New Zealand road bridge code	Adapt to oceanic high corrosion environment

 

 7.Why Choose Our Company

Production Experience:​ Many years of experience in producing precast components for highway bridges. The production base is equipped with an automated concrete mixing station, intelligent steam curing kiln, and a prestressing tension control system.

Precision Control:​ Size deviation of each panel is controlled within ±2mm.

Certification:​ Certified with ISO 9001 quality management system and traffic product certifications.

One-Stop Service: ​Provides full-process services from drawing development, mold design, production and transportation, to on-site installation guidance.

Quick Response​: Emergency projects can start production within 48 hours and complete the first batch of supply within 7 days.

📧Satisfied after reading? Feel free to contact us, we look forward to working with you!🤝