U-type Steel Sheet Piles

U-type steel sheet piles are a type of steel piling material used in construction. They are long, vertical sections made of steel that interlock with each other, forming a continuous wall to retain soil or water. The “U” shape allows these piles to be driven into the ground and form a strong, sturdy wall.

Here’s a more detailed explanation:

U-type Steel Sheet Piles

U-type steel sheet piles have a U-type cross-section, which helps to increase their strength and rigidity. They are typically made of high-grade steel, which provides excellent resistance to corrosion and degradation.

These piles are driven into the ground using a vibrating hammer, impact hammer, or a press-in machine. Once installed, they form a continuous wall which can be used for several purposes:

  1. Retaining Walls: They can be used to form retaining walls in construction sites, creating a stable and safe area for construction work.
  2. Flood Protection: In areas prone to flooding, these piles can be used to create barriers that prevent water intrusion.
  3. Ports and Harbors: They are used to construct the walls of ports and harbors, protecting them from water erosion.
  4. Tunnels and Bridges: These piles can also be used in the construction of bridges and tunnels, providing structural support.

Benefits of U-type Steel Sheet Piles

The use of U-type steel sheet piles offers several advantages:

  • Strength and Durability: They are made of high-quality steel, which makes them highly durable and resistant to corrosion.
  • Versatility: They can be used in a variety of construction projects, from retaining walls to tunnels.
  • Efficiency: The interlocking design makes the installation process quick and efficient.
  • Cost-Effective: They can be reused in different projects, reducing the overall cost.

Limitations and Considerations

Like all construction materials, U-type steel sheet piles also have their limitations:

  • Installation Noise and Vibration: The installation process can cause noise and vibration which may be disruptive in populated areas.
  • Limitation in Hard Soil or Rocks: Driving these piles into very hard soil or rock can be challenging and time-consuming.
  • Design Complexity: Designing a structure with these piles requires sophisticated engineering tools and expertise.

Overall, U-type steel sheet piles are a versatile and robust solution for many construction needs. However, their use should be carefully planned and executed by experienced professionals.

U-type Steel Sheet Piles Manufacturing Process:

Hot Rolled steel sheet pile

Model Width Height Web single wood per meter board Execution standard
Cross-Sectional Area Weight Moment of Inertia Section Modulus Cross-Sectional Area Weight Moment of Inertia Section Modulus
W*H mm mm mm cm2 kg/m Ix cm4 Wx cm3 cm2 kg/m Ix cm4 Wx cm3
PU 400*100 400 100 10.5 61.18 48 1240 152 153 120.1 8740 874 (1) National standard: GB/T 20933-2014
(2) Japanese standard: JIS A 5528
PU 400*125 400 125 13.0 76.42 60 2220 223 191 149.9 16800 1340
PU 400*150 400 150 13.1 74.40 58.4 2790 250 186 146.0 22800 1520
PU 400*170 400 170 15.5 96.99 76.1 4670 362 242.5 190.4 38600 2270
PU 500*200 500 200 24.3 133.80 105 7960 520 267.6 210.1 63000 3150
PU 500*225 500 225 27.6 153.00 120.1 11400 680 306 240.2 86000 3820
PU 600*130 600 130 10.3 78.70 61.8 2110 203 131.2 103.0 13000 1000
PU 600*180 600 180 13.4 103.90 81.6 5220 376 173.2 136.0 32400 1800
PU 600*210 600 210 18.0 135.30 106.2 8630 539 225.5 177.0 56700 2700

Contrast material

Standard Grade Chemical composition
C Si Mn P S Nb V Ti Cu N free nitrogen
JIS A 5528 SY295 0.04 0.04
SY390 0.04 0.04
JIS A 5523 SYW295 0.18 0.55 0.15 0.04 0.04 0.006
SYW390 0.18 0.55 0.15 0.04 0.04 0.006
GB1591 Q345B 0.2 0.5 1.7 0.035 0.035 0.07 0.15 0.2 0.3 0.12
GB/T20933-2014 Q295P 0.16 0.5 1.5 0.035 0.035 0.06 0.15 0.2
Q345P 0.2 0.5 1.7 0.035 0.035 0.06 0.15 0.2
Q390P 0.2 0.5 1.7 0.035 0.035 0.06 0.2 0.2
Q420P 0.2 0.5 1.7 0.035 0.035 0.06 0.2 0.2
Q460P 0.2 0.6 1.8 0.03 0.03 0.11 0.2 0.2
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What types of Steel Sheet Piles ? Z-type Steel Sheet Piles advantages

There are three forms or shapes of steel sheet piles: Z-shaped, U-shaped and Straight Web Sections.Z-shaped sheet piles are considered to be the most efficient of the shapes. They are used for intermediate and deep wall construction and commonly for tied back and cantilever retaining walls. U-shaped profiles are used for similar applications, but their resistance to bending is lower than Z-shaped piles.

Z-type sheet piles

We sell and rent three different hot-rolled, "Z" type sheet piling products, flat piling and combination systems to ensure that we can match the needs of your application.The Z shape of each section lends to its structural strength which is determined not only by the size, but also by the thickness of the steel. Of course, the soil conditions in which the section is driven will also affect the performance of the foundation or wall.

STEEL SHEET PILING Types and Applications

Hot Rolled Sheet Piles are formed by profiling the steel with high temperatures as the rolling process occurs. Typically, hot rolled sheet piles are produced to BS EN 10248 Part 1 & 2. Greater thicknesses are achievable than cold rolled sheet piles. The interlocking clutch tends to be tighter as well.

What are the advantages of sheet piling?

Like other steel piling shapes, sheet piling is driven into the ground to provide stability and support for a range of construction applications. As its name suggests, these are steel sheets that form a support wall, rather than the round or H-shaped cross sections of other piling shapes. Sheet piling has both temporary and permanent uses, usually as retaining walls for excavation, underground structures, or seawalls.

Z-Shaped Steel Sheet Piles

Z-shaped steel sheet piles are produced in a zigzag form and are typically driven in crimped or welded doubles. These piles offer a unique set of benefits, particularly for port construction and deep foundations where their higher modulus and use as intermediate piles in tubular & HZ combination walls is advantageous. Advantages of Z-Shaped Steel Sheet Piles Flexible Design and High Section Modulus: Z-shaped steel sheet piles offer a high section modulus and mass ratio, allowing for flexible design according to the project's needs. Higher Moment of Inertia: The higher moment of inertia increases the stiffness of the sheet pile wall and reduces displacement deformation. Large Width: The large width of these piles saves time during lifting and piling. Corrosion Resistance: Parts of the sheet pile that are prone to serious corrosion undergo thickening treatment, enhancing corrosion resistance. Lighter Weight: The weight per square meter of a Z sheet pile is always less than that of a U sheet pile for a similar section modulus, making it a more efficient choice. Use as Infill Pile: Z-shaped sheet piles can be used as infill piles together with steel pipes and H-beams. They are typically used to achieve a very high modulus.

U-Shaped Steel Sheet Piles

The steel sheet pile is very wide, in the permanent structure of the building, can be used for wharf, unloading yard, embankment revetment, wall, retaining wall, breakwater, diversion embankment, dock, gate, etc.; In temporary structures, can be used to seal the mountain, temporary shore expansion, cut-off, bridge cofferdam, large pipeline laying temporary ditch excavation retaining, water, sand, and so on; In flood fighting, it can be used for flood control, collapse prevention, sand and so on.