Retaining structures
Technique
Retaining structures Our sister company, Phi Group , offers a range of retaining wall and reinforced soil systems including the Permacrib gravity system; the Andacrib modular precast concrete crib…
/expertise/techniques/retaining-structures
Environmental stone columns
Technique
Environmental stone columns When aquifers underlay made ground a stone column is sometimes perceived as potential path for contamination. In reality, vibro treatment reduces the mass permeability and…
/expertise/techniques/environmental-stone-columns
Restricted access piles
Technique
Restricted access piles In restricted access situations, where large, heavy conventional plant cannot be used, we provide a choice of piling systems such as continuous flight auger, cased CFA, rotary…
/expertise/techniques/restricted-access-piles
Jet grouting
Technique
Jet grouting Jet grouting uses high velocity fluid jets to construct cemented soil of varying geometries in the ground. Jet grouting technique image Common uses Often the preferred solution in any…
/expertise/techniques/jet-grouting
Anchors - single bond length
Technique
Anchors - single bond length Ground anchors transfer tensile loads and consist of an anchor head, a free length and a bond length. Anchors can offer an advantage for basements and large excavations…
/expertise/techniques/anchors-single-bond-length
SBMA
Technique
SBMA Single bore multiple anchor (SBMA) are ground anchors with multiple strands, each bonded to the soil/rock and carrying a load.  SBMA technique image Common uses Excavation support Temporary or…
/expertise/techniques/sbma
Contiguous pile walls
Technique
Contiguous pile walls Contiguous pile walls consist of piles arranged in a line typically with a 150mm gap between the piles. Where required the soil between the piles can be stabilised using…
/expertise/techniques/contiguous-pile-walls
King post wall
Technique
King post wall King post walls are a cost-effective system of temporary or permanent retention using beams and precast concrete panels. King post wall technique image Common uses Retention…
/expertise/techniques/king-post-wall
Slurry cut-off walls
Technique
Slurry cut-off walls Slurry walls are constructed using a cement-bentonite slurry to produce a below ground low permeability barrier. Slurry cut-off wall technique image Common uses Create barriers…
/expertise/techniques/slurry-cut-off-walls