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Cold Formed Steel Sheet Pile
1. Product Overview
Cold-formed steel sheet piles are continuous, interlocking wall elements manufactured from steel coil through a cold-forming process. Primarily used for constructing earth retention and hydraulic structures, they serve as efficient barriers for applications such as temporary shoring, seawalls, flood protection, and erosion control. Their design facilitates straightforward installation and high adaptability on-site.
2. Key Features
Strong Structural Performance & Load Capacity
Steel sheet piles achieve excellent section modulus and moment of inertia through optimized cross-section design, capable of withstanding significant earth and water pressures. Various section types (U-type, Z-type, straight web) meet different engineering load requirements, ensuring support structure safety and stability.
Efficient Interlocking System & Sealing Performance
Precision-manufactured interlocks ensure tight connections between piles, forming continuous water barriers. High interlock strength and good durability adapt to complex construction conditions while maintaining excellent sealing performance during service.
Flexible Construction & Reusability
Suitable for rapid installation and extraction using various equipment like vibratory hammers and impact hammers. As recyclable material, sheet piles can be reused multiple times, significantly reducing project costs and aligning with green construction concepts.
Wide Geological Adaptability
Suitable for various geological conditions including soft soil, sand, clay, and rock formations. Appropriate pile types and construction methods can be selected based on different geological characteristics, ensuring reliable engineering results in complex ground conditions.
3.Technical Parameters of Steel Sheet Pile
Parameter | Specification Range | Standard / Notes |
Steel Grade | Q295, Q345, Q390, S355JR, S390JR, ASTM A572 | GB/T, EN, ASTM |
Section Type | U-type, Z-type, Straight Web | GB/T 20933 |
Section Modulus | 400-4500 cm³/m | Per meter of wall |
Moment of Inertia | 8000-180000 cm⁴/m | Per meter of wall |
Pile Width | 400-800 mm | ±2% tolerance |
Pile Height | 75-420 mm | ±2% tolerance |
Web Thickness | 6.0-24.0 mm | ±5% tolerance |
Flange Thickness | 7.0-26.5 mm | ±5% tolerance |
Interlock Type | Larssen, Modified Larssen, Straight | Standard designs |
Standard Length | 6000-24000 mm | Custom lengths available |
Weight per Meter | 40-240 kg/m | Theoretical weight |
Coating Weight | 200-600 g/m² | For galvanized piles |
4. Application Scenarios
Deep Excavation Support Engineering
Used for temporary or permanent support in deep excavations for high-rise buildings and subway stations. The continuous wall formed by sheet piles effectively resists soil lateral pressure, ensuring excavation safety and providing reliable protection for underground construction.
Port Terminals & Hydraulic Structures
Applied in port quay walls, docks, breakwaters, and other water-related projects. The corrosion resistance and structural strength of sheet piles withstand ship impacts and water flow, providing long-term stable infrastructure for port operations.
Flood Control & River Regulation
Used in levee reinforcement, river bank protection, and flood wall construction. The rapid installation feature of sheet piles plays crucial roles in emergency flood control projects, while reliable seepage prevention ensures flood safety.
5. FAQs
Q1: How to select the appropriate type of steel sheet piles?
A1: U-piles for medium depth, Z-piles for deep excavations and high walls, straight web piles for cofferdams and simple support. Selection should consider depth, load requirements, and ground conditions.
Q2: What is the service life of steel sheet piles?
A2: Service life depends on material, corrosion protection, and environment. Ordinary steel lasts 50 years in freshwater, 25-30 years in seawater. Anti-corrosion treatments significantly extend service life.
Q3: What issues should be paid attention to during the construction of steel sheet piles?
A3: Conduct geological survey before construction, select appropriate driving equipment. Control driving verticality to avoid interlock damage. Use jetting or pre-drilling in hard layers to ensure quality.
If you want to know more, please feel free to contact us.
