
PIPE JACKING
Alternative to trenchless
What is the pipe jacking technique?
The pipe jacking technique is a horizontal drilling system.
To employ the pipe jacking system, a working shaft must be created and a reinforced concrete bearing wall generated where the machine will later be placed. By means of the hydraulic cylinder drive technique, the ground is drilled and the pipe is installed at the same time, thus avoiding the decompression of the ground.
The pipe jacking system is not suitable for rocky terrain or in the presence of the water table. It is intended for soils such as clays, silts and gravels. It is important that the project is undertaken when the ground is dry.
Drilling characteristics
The pipe jacking technique allows the installation of concrete and steel pipes:

LENGTH:
– Minimum lengths: 10-12m
– Maximum lengths: 100m (to be consulted according to the diameter of the pipe to be installed)

DIAMETER:
– Minimum diameter: 1.200mm
– Maximum diameter: 3.000mm

PRECISION:
It will depend on the land to be drilled and the length of the pipe to be installed. Slopes of up to 1% can be made.
Aplicacions
- Crossroads
- Railway crossing
Advantages of the Pipe Jacking Technique
MINIMAL SOCIAL IMPACT
No impact on the surface, meaning day-to-day life continues as usual.
ENVIRONMENTALLY FRIENDLY AND VERSATILE
It facilitates the recovery of the affected soil, reducing the risk of collapse due to the minimal over-excavation during the project and minimises the impact on the surrounding flora and fauna.
MAXIMUM SAFETY
Both for staff working on the site and external personnel.










