Corrugated Steel Arch Culvert Pipe

‌1. Product Overview‌

Corrugated Steel Arch Culvert Pipe (CSCP) is a high-strength, prefabricated drainage solution designed for infrastructure projects requiring optimized hydraulic performance and structural resilience. Its arched profile combines the load-bearing capacity of corrugated steel with enhanced water-flow efficiency, making it ideal for highways, railways, agricultural drainage, and stormwater management systems‌.

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‌2. Material & Construction‌

• ‌Galvanized Steel Core‌: Fabricated from hot-dip galvanized steel (G-235/G-345 grades) with a minimum coating thickness of 550 g/m² (Z600 standard) to resist corrosion‌.
• ‌Corrugation Design‌: Annular or helical corrugations (68×13 mm or 150×50 mm profiles) improve rigidity and distribute external loads evenly‌.
• ‌Optional Coatings‌: Aluminized steel (Type 2) or polymer coatings (e.g., PVC, HDPE) for aggressive environments (pH 3–12)‌.

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‌3. Structural Advantages‌

• ‌Load Capacity‌: Withstands AASHTO HS-20/25 live loads and up to 30 ft (9 m) of fill depth.
• ‌Flexural Strength‌: Arch geometry reduces stress concentrations, achieving a deflection limit of ≤5% under maximum load‌.
• ‌Hydraulic Efficiency‌: 15–30% higher flow rates compared to circular pipes due to reduced friction and optimized cross-sectional area‌.

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‌4. Applications‌

• ‌Transportation Infrastructure‌: Culverts for highways (e.g., mountainous terrain with steep gradients)‌2, railway underpasses.
• ‌Agricultural Drainage‌: Subsurface irrigation channels, livestock water management.
• ‌Urban Stormwater Systems‌: Detention basins, flood control conduits.

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‌5. Installation & Maintenance‌

• ‌Modular Assembly‌: Bolted-segment design allows rapid onsite deployment (50–100 ft/day)‌.
• ‌Foundation Requirements‌: Compacted granular base (≥95% Proctor density) with geotextile lining to prevent scour‌.
• ‌Longevity‌: 75–100-year service life with minimal maintenance; inspect joints annually for sediment buildup‌.

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‌6. Technical Specifications‌

Parameter	Specification
Diameter Range	6 ft – 40 ft (1.8 m – 12.2 m)
Steel Thickness	12–8 gauge (2.66 mm – 4.17 mm)
Span-to-Rise Ratio	1.5:1 – 2:1
Compliance Standards	ASTM A796, AASHTO M190, EN 10219

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‌7. Environmental Benefits‌

• ‌Recyclability‌: 100% recyclable steel content reduces landfill waste.
• ‌Erosion Control‌: Prevents soil displacement in high-velocity water flows (>15 ft/s)‌.

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‌8. Case Study: Mountain Highway Project‌

In the Xibaipo-Fuping Highway (China), CSCP replaced traditional concrete culverts at K6+282, reducing installation time by 40% and cutting costs by 25% over 10 years‌.

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‌9. Quality Assurance‌

• Third-party tested for seam strength (≥80% base metal strength)‌.
• ISO 9001/14001 certified manufacturing facilities.

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This product combines engineering precision with environmental adaptability, addressing modern infrastructure demands while minimizing lifecycle costs‌. For custom sizing or project-specific CAD drawings, consult our technical team.