How to distinguish steel pipe piles and steel sheet piles?

Steel pipe piles and steel sheet piles are both structural members used in construction projects, but they differ in shape, use and installation methods. Steel pipe piles and steel sheet piles are both structural members used in construction projects, but they differ in shape, application and installation methods

Here are some of the key differences between steel pipe piles and steel sheet piles:

shape:
1. Steel pipe piles are cylindrical steel pipes that are usually driven vertically into the ground.
2. Steel sheet piles are flat steel plates driven into the ground vertically or obliquely.

Manufacturing process:
1. Steel pipe piles are usually made of steel plates welded together to form a cylindrical shape. According to the manufacturing process, steel pipe piles can be divided into two categories:
(1) Welded pipe piles: These piles are made by welding steel plates together to form a cylindrical shape. Welds provide strength and structural integrity.
(2) Seamless pipe piles: These piles are made of seamless pipes without any welds. They offer excellent integrity and are often preferred for projects requiring higher load capacity.
2. Steel sheet piles are made by rolling steel plates into U or Z shapes. U-shaped sheet piles have one interlocking element, while Z-shaped sheet piles have two interlocking elements, providing greater stability and design flexibility

application:
1. Steel pipe piles are usually used to support heavy loads in deep foundation systems, including building foundations, bridges, piers, retaining walls, offshore structures, etc. They provide support and stability in soil conditions that traditional shallow foundations may not be able to achieve. Adequate.
2. Steel sheet piles are mainly used for supporting structures such as cofferdams, flood control walls, and excavation supports. They can also be used as cutoff walls in projects such as port facilities, flood control systems and underground structures to prevent water penetration.

installation method:
1. Steel pipe piles are driven into the ground for installation by impact piling, vibration piling or drilling and grouting. Installation techniques depend on factors such as soil conditions, pile length, load requirements and site constraints.
2. When installing steel sheet piles, use an impact hammer, vibrating hammer or hydraulic press to drive the steel sheet piles vertically into the ground. Installation method depends on factors such as soil conditions, required depth and available equipment. Temporary or permanent sheet pile walls can be created depending on project requirements.

Load capacity:
Steel pipe piles and steel sheet piles have different load-bearing capacities. Steel pipe piles can withstand higher loads than steel sheet piles due to their larger cross-sectional area and greater structural stiffness.

Durability:
Both steel pipe piles and sheet piles are made of high-strength steel and are designed to resist corrosion and other environmental factors. However, because sheet piles are thin and flexible, they are more susceptible to damage and deformation during installation.

To summarize, steel pipe piles are used for vertical load-bearing applications, such as supporting heavy structures, while steel sheet piles are used for lateral soil retaining and excavation support. The choice between the two depends on project requirements, soil conditions, loading and desired structural results.

Welded pipe：https://www.eastern-steels.com/newsdetail/difference-between-seamless-pipe-and-seam-pipe.html

Seamless pipe：https://www.eastern-steels.com/product/seamless-steel-pipe.html