Soldier Beam and Lagging

Overview

A soldier beam and lagging wall is a type of shoring system designed to provide lateral support and prevent soil movement during excavation projects. This method involves installing vertical soldier beams, typically made of steel or wood, at regular intervals along the excavation perimeter. These beams are driven or drilled into the ground and act as primary structural members to support the surrounding soil. Horizontal lagging, often made of timber or steel panels, is then installed between the soldier beams to stabilize the soil and prevent it from collapsing into the excavation.

Key Features:

Lateral Support: Soldier beams provide crucial lateral support to retain soil and prevent it from collapsing into the excavation.
Versatility: Soldier beam and lagging walls can be installed in various soil conditions and are suitable for both temporary and permanent applications.
Construction Flexibility: This method allows for flexibility in excavation shape and depth, making it ideal for projects with irregular or varying soil conditions.
Installation Efficiency: Soldier beams can be installed quickly and efficiently using specialized equipment, reducing construction time and costs.
Customization: The design of soldier beam and lagging walls can be customized to accommodate site-specific requirements, such as soil type, groundwater conditions, and project constraints.
Durability: When properly designed and constructed, soldier beam and lagging walls provide long-lasting and reliable support for excavations.

Considerations:

Engineering Expertise: Proper design and engineering are essential for ensuring the stability and effectiveness of soldier beam and lagging walls.
Soil Conditions: The performance of soldier beam and lagging walls may vary depending on soil type, groundwater levels, and other site-specific factors.
Environmental Impact: Consideration should be given to the environmental impact of excavation and construction activities, including erosion control and sediment management.

Overall, soldier beam and lagging walls offer a versatile and efficient solution for retaining soil and providing lateral support during excavation projects. With proper design, construction, and maintenance, these systems can effectively mitigate risks and ensure the success of construction projects.

The Process

Drill Holes

Step: 1

Drilling holes for a soldier beam and lagging wall involves the precise placement of vertical boreholes to accommodate the installation of soldier beams, providing crucial structural support for retaining soil during excavation.

Set Beams

Step: 2

Setting beams for a soldier beam and lagging wall involves strategically placing vertical beams at regular intervals along the excavation perimeter to provide essential lateral support and structural reinforcement.

Pour beams

Step: 3

Forming the grade beam for a soldier beam and lagging wall involves constructing a reinforced concrete beam at ground level to provide additional structural support and stability to the excavation perimeter.

Form Grade Beam

Step: 4

Pour Grade beam

Step: 5

Pouring a grade beam for a soldier beam and lagging wall involves the careful placement and consolidation of concrete into a trench excavated along the length of the wall, providing additional structural support and stability to the foundation.

Set Lagging

Step:6

Setting lagging for a soldier beam and lagging wall involves placing horizontal panels, typically made of timber or steel, between the vertical soldier beams to stabilize the soil and prevent collapse during excavation.