Rolling Strut Trench Box
The Rolling Strut Trench Box differs from a conventional fixed strut position trench box in that the rolling struts enable both plates to move independently of each other during installation and removal. This has the benefit that during the installation process, parallel plate movement vastly reduces the potential for horizontal soil movements compared to more conventional box strutting systems where the installation process involves the shifting or tilting of the box plates, causing the trench to become narrower and wider which in turn allows the soil to move.
The construction of the Rolling Strut Trench Box enables greater under strut clearances of up to 3.1m in comparison to conventional trench boxes.
- Top box permits depths up to 6m
- Box extensions available
- Rolling struts enable parallel plate movemnt for ease of installation and removal with minimal ground settlement
- Variable strut positions allow maximum access for installation of long pipes and improved operator visibility
- Vertical strut clearances of up to 3.1m for installation of large diameter pipes or culverts
- Plates can be pushed down to different invert levels for stepped trench excavations
- Trench widths up to 6.6m can be achieved, exceeding the range of traditional box systems
- Four-way handling points to aid safe assembly
Specification
| |
Plate Length
(m)
|
Plate Height
(m)
|
Plate Thickness
(mm)
|
Typical Box
Weight (kg)
|
External Width
Range (m)
|
Clearance
Between
Struts
(m)
|
Maximum
Vertical
Clearance
(m)
|
| Base |
3.45
|
4.00
|
80
|
4300
|
1.60 - 6.60
|
2.7
|
3.10
|
| Top |
3.45
|
2.00
|
80
|
3300
|
1.60 - 6.60
|
2.7
|
N/A
|
1. Weights are approximate and will vary with the box width
2. Full temporary woorks designs can be carried out for the rolling strut trench box