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Customized Size Heavy Steel Structures with High Load Bearing Capacity and Seismic Resistance for Bridges

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Customized Size Heavy Steel Structures with High Load Bearing Capacity and Seismic Resistance for Bridges

Name: Customized Size Heavy Steel Structures with High Load Bearing Capacity and Seismic Resistance for Bridges
Brand: Shunyao Supply Chain
Price: 99 USD

Wholesale Customized Size Heavy Steel Structures with High Load Bearing Capacity and Seismic Resistance for Bridges from china suppliers

Labor Costs : Lower

Seismicresistance : Designed to meet local seismic codes

Durability : Long lifespan

Temperature Range : -40°C to 150°C

Assemblymethod : Bolted or welded connections

Size : Customized

Customization : Available on request for specific dimensions and load requirements

Structure : Frame

Assembly Method : Bolted or welded connections

Maintenance Costs : Reduced

Load Bearing Capacity : High

Certification : CE,ISO

Working Scope : Design,Fabrication, Installation

Using Life : 50 Years

Structuretype : Frame

Insulation : Optional thermal and acoustic insulation

Shape : I-beam, H-beam, or C-channel

Drawing Design : AUTOCAD, SOLIDWORKS

Product : Steel Structure

Price : $99-99,999

Frametype : Prefabricated steel frame

Place of Origin : Chengdu , China

Brand Name : Shunyao Supply Chain

Packaging Details : Bundles

Delivery Time : 5-8 WEEKS

Supply Ability : 15000TONS

MOQ : 100 PCS

Payment Terms : T/T in advance,L/C

Design Parameter : Wind Load,Snow Load And Earthquake

Design Load : Wind, Snow, Seismic

Frame type : Prefabricated steel frame

Total Length : 3,167.88 meters

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Heavy-Duty Steel Structures for Municipal Bridges & Elevated Highways

Heavy Steel Structures for Bridges & Elevated Highways

We supply prefabricated heavy steel structures for large-scale municipal infrastructure. Our fabrication facilities are equipped to handle large-span steel box girders, steel-concrete composite beams, and interchange ramp structures. We ensure strict dimensional tolerance and high welding quality to meet demanding transportation loads and environmental conditions.

Project Case: Fengtai New Area Elevated Road

This project involved the fabrication and assembly of the primary steel structures for a major municipal elevated highway. The design utilizes a steel-concrete composite structure to balance construction speed, span length, and dead load.

Total Length: 3,167.88 meters

Deck Width: 26 meters

Traffic Capacity: Two-way, 6-lane highway

Ramp System: 8 integrated on/off ramps

Project Investment: Approx. 640 Million RMB

Technical Specifications & Material Grades

Based on typical engineering requirements for projects of this scale, below are the standard materials and specifications we supply for heavy bridge structures. We can adjust standards (GB, ASTM, EN) based on your local regulations.

Structural Component	Material Standard (GB / International Equivalent)	Typical Specifications	Application
Main Girders	Q355qD / Q420qD (Bridge Steel) Equivalent to ASTM A709 Grade 50	Thickness: 16mm - 40mm	Steel box girders, I-beams, main load-bearing structures
Secondary Structures	Q355B / Q235B Equivalent to S355JR / S235JR	Thickness: 8mm - 20mm	Stiffening ribs, cross frames, diaphragms
High-Strength Fasteners	Grade 10.9 (GB/T 1228)	M22 / M24	Splicing joints for main girders and site assembly
Shear Connectors	ML15 (GB/T 10433)	M19 x 120mm / 150mm	Welded studs connecting the steel girder to the concrete deck
Welding Consumables	ER50-6 (Wire) / F5031 (Flux)	1.2mm / 1.6mm	SAW (Submerged Arc Welding) and GMAW for main seams
Surface Treatment	Epoxy Zinc-Rich Primer + Polyurethane Topcoat	200μm - 250μm (Total Dry Film)	Heavy-duty anti-corrosion for C3/C4 exterior environments

Manufacturing Capabilities

Cutting & Plate Preparation: CNC flame and plasma cutting for thick steel plates.
Welding Process: Fully automated Submerged Arc Welding (SAW) for main girder seams, ensuring 100% UT/MT Non-Destructive Testing (NDT) pass rates.
Pre-assembly: Factory trial assembly prior to dispatch to guarantee smooth installation on the construction site.

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Customized Size Heavy Steel Structures with High Load Bearing Capacity and Seismic Resistance for Bridges

Customized Size Heavy Steel Structures with High Load Bearing Capacity and Seismic Resistance for Bridges

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