Sheet pile wall enclosure structure is a commonly used underground engineering support structure. It forms an overall wall structure by setting piles at a certain distance to resist the horizontal and vertical forces of the soil. This article will introduce the definition, structural form, construction technology and application fields of sheet pile walls.
1. Definition of sheet pile wall
A sheet pile wall is an envelope consisting of a series of sheet piles perpendicular to the ground. It is usually formed by excavating the soil, inserting steel sheet piles, and then backfilling with earth. Sheet pile wall is a commonly used retaining structure that can effectively resist the lateral pressure and horizontal displacement of the soil, allowing underground projects to be carried out safely and stably.
2. Structural form of sheet pile wall
The main structural forms of sheet pile walls are as follows:
1. Cantilevered sheet pile wall: This structural form is suitable for smaller retaining heights and less lateral earth pressure. It is characterized by the fact that there is no continuous retaining plate between piles.
2. Continuous sheet pile wall: This structural form is suitable for larger retaining heights and larger lateral earth pressures. It is characterized by continuous retaining plates between piles.
3. Rigid sheet pile wall: This structural form is suitable for larger retaining heights and larger lateral earth pressures. By setting stiffening beams or connectors between piles and retaining plates, the stability of the entire structure is increased.
3. Construction technology of sheet pile wall
The construction process of sheet pile walls includes the following steps:
1. Prefabrication of the pile body: According to the design requirements, the pile body is prefabricated at the construction site, usually using steel sheet piles or concrete piles.
2. Installation of piles: Insert the prefabricated piles into the ground one by one to form a certain spacing and height.
3. Pile connection: Connect adjacent piles through connectors to form an overall wall structure.
4. Setting of retaining plates: According to the design requirements, retaining plates are set between the piles to increase the stiffness and stability of the entire structure.
5. Earthwork backfilling: After the retaining board is set, earthwork backfilling is performed to fill the soil between the retaining board and the pile body.
4. Application areas of sheet pile walls
Sheet pile walls are widely used in various underground projects, mainly including the following fields:
1. Foundation pit support: In construction, in order to ensure the stability and safety of the foundation pit, sheet pile walls are often used for foundation pit support.
2. River and port projects: In river and port projects, in order to protect the stability of river banks and ports, sheet pile walls are often used to construct bank protections and retaining walls.
3. Subway and tunnel projects: In underground projects such as subways and tunnels, in order to resist earth pressure and ensure the safety of the project, sheet pile walls are often used to construct the enclosure structure.
The sheet pile wall retaining structure form is a commonly used underground engineering support structure. Through reasonable design and construction technology, it can effectively resist the horizontal and vertical forces of the soil and ensure the stability and safety of underground engineering. In practical applications, according to different engineering requirements and soil conditions, different sheet pile wall structural forms can be selected to meet the needs of the project.
1. Definition of sheet pile wall
A sheet pile wall is an envelope consisting of a series of sheet piles perpendicular to the ground. It is usually formed by excavating the soil, inserting steel sheet piles, and then backfilling with earth. Sheet pile wall is a commonly used retaining structure that can effectively resist the lateral pressure and horizontal displacement of the soil, allowing underground projects to be carried out safely and stably.
2. Structural form of sheet pile wall
The main structural forms of sheet pile walls are as follows:
1. Cantilevered sheet pile wall: This structural form is suitable for smaller retaining heights and less lateral earth pressure. It is characterized by the fact that there is no continuous retaining plate between piles.
2. Continuous sheet pile wall: This structural form is suitable for larger retaining heights and larger lateral earth pressures. It is characterized by continuous retaining plates between piles.
3. Rigid sheet pile wall: This structural form is suitable for larger retaining heights and larger lateral earth pressures. By setting stiffening beams or connectors between piles and retaining plates, the stability of the entire structure is increased.
3. Construction technology of sheet pile wall
The construction process of sheet pile walls includes the following steps:
1. Prefabrication of the pile body: According to the design requirements, the pile body is prefabricated at the construction site, usually using steel sheet piles or concrete piles.
2. Installation of piles: Insert the prefabricated piles into the ground one by one to form a certain spacing and height.
3. Pile connection: Connect adjacent piles through connectors to form an overall wall structure.
4. Setting of retaining plates: According to the design requirements, retaining plates are set between the piles to increase the stiffness and stability of the entire structure.
5. Earthwork backfilling: After the retaining board is set, earthwork backfilling is performed to fill the soil between the retaining board and the pile body.
4. Application areas of sheet pile walls
Sheet pile walls are widely used in various underground projects, mainly including the following fields:
1. Foundation pit support: In construction, in order to ensure the stability and safety of the foundation pit, sheet pile walls are often used for foundation pit support.
2. River and port projects: In river and port projects, in order to protect the stability of river banks and ports, sheet pile walls are often used to construct bank protections and retaining walls.
3. Subway and tunnel projects: In underground projects such as subways and tunnels, in order to resist earth pressure and ensure the safety of the project, sheet pile walls are often used to construct the enclosure structure.
The sheet pile wall retaining structure form is a commonly used underground engineering support structure. Through reasonable design and construction technology, it can effectively resist the horizontal and vertical forces of the soil and ensure the stability and safety of underground engineering. In practical applications, according to different engineering requirements and soil conditions, different sheet pile wall structural forms can be selected to meet the needs of the project.
