Cọc ván thép chữ U

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. Các “bạn” shape allows these piles to be driven into the ground and form a strong, sturdy wall.

Here’s a more detailed explanation:

Cọc ván thép chữ U

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. Một lần được cài đặt, they form a continuous wall which can be used for several purposes:

  1. Tường chắc: 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:

  • Sức mạnh và độ bền: They are made of high-quality steel, which makes them highly durable and resistant to corrosion.
  • Tính linh hoạt: They can be used in a variety of construction projects, from retaining walls to tunnels.
  • Hiệu quả: The interlocking design makes the installation process quick and efficient.
  • Hiệu quả về chi phí: They can be reused in different projects, reducing the overall cost.

Hạn chế và cân nhắc

Giống như tất cả các vật liệu xây dựng, 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.
  • Độ phức tạp của thiết kế: Designing a structure with these piles requires sophisticated engineering tools and expertise.

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

U-type Steel Sheet Piles Manufacturing Process:

Hot Rolled cọc ván thép

Người mẫu Chiều rộng Chiều cao Web single wood per meter board Execution standard
Diện tích mặt cắt ngang Cân nặng Lực quán tính Phần mô đun Diện tích mặt cắt ngang Cân nặng Lực quán tính Phần mô đun
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

chất liệu tương phản

Tiêu chuẩn Cấp Thành phần hóa học
C Mn P S Nb V. Của N nitơ tự do
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