Jet grouting
Technique
Jet grouting Jet grouting uses high velocity fluid jets to construct cemented soil of varying geometries in the ground. Keller rig demonstrating jet grouting technique Common uses Often the preferred…
/en/expertise/techniques/jet-grouting
Our leadership
Content page
Our leadership Thierry Bret CEO CEO CEO CEO Learn more Karim Boudersa Branch Manager Branch Manager Branch Manager Branch Manager Learn more Kamel Djouhira Chief Accountant Chief Accountant Chief…
/en/about-us/our-leadership
Sinkhole / Karst stabilisation
Solution
Sinkhole / Karst stabilisation Whether natural or man-made soils sometimes present voids that may create sinkholes. Depending on the situation, and the quality of the soils, various techniques can be…
/en/expertise/solutions/sinkhole-karst-stabilisation
Tunnelling
Solution
Tunnelling Tunnelling projects require a variety of solutions to make them safe to construct whilst minimising the impact on the surrounding infrastructure. As well as providing mitigating solutions…
/en/expertise/solutions/tunnelling
Contiguous pile walls
Technique
Contiguous pile walls Contiguous pile walls consist of piles arranged in a way that a gap remains between the piles. Where required the soil between the piles can be stabilised during excavation by…
/en/expertise/techniques/contiguous-pile-walls
King post / soldier piles and lagging walls
Technique
King post / soldier piles and lagging walls King post/soldier piles and lagging walls are a cost effective system of temporary or permanent retaining wall using beams and pre-cast concrete panels.…
/en/expertise/techniques/king-post-soldier-piles-and-lagging-walls
Diaphragm walls / barrettes – grab
Technique
Diaphragm walls / barrettes – grab Vertical panels are excavated under stabilising slurries using mechanical/hydraulic clamshell grabs or hydromill cutters to form a continuous cut-off, retaining and…
/en/expertise/techniques/diaphragm-walls-barrettes-grab
Sheet piles
Technique
Sheet piles Sheet piling retains soil, using steel sheets with interlocking edges and is applied using both vibratory and vibration-free installation rigs. Keller rig installing sheet piles Common…
/en/expertise/techniques/sheet-piles