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Betley Waste Water Treatment Works
Project
… project. … Betley, Staffordshire … Keller opted for a dry soil mixed
columns
solution to stabilise very soft clay and organic soils to … organic soil to give an unconfined compressive strength (UCS) of the
columns
of 50kPa. Nearly 1800 No.
columns
up to 10.0m in length, were formed to enhance the properties of …
/projects/betley-waste-water-treatment-works
Felixstowe South Reconfiguration, Phase 1
Project
… … Hutchison Ports … Felixstowe Port where Keller UK has completed
vibro
compaction … For this project, Keller treated hydraulically placed … of clean sand fill, Keller installed 133,200 linear meters of
vibro
compaction
columns
to a depth of up to 20m. The design loading was 40KN/m². The …
/projects/felixstowe-south-reconfiguration-phase-1
Daventry International Rail Freight Terminal
Project
… as a vertical concrete structure that would have meant importing
stone
, we changed the solution to a Textomur reinforced soil slope with a gabion
stone
face finish. There was enough space to accommodate the 70 degree …
/projects/daventry-international-rail-freight-terminal
Keller's innovative approach for 'super sewer'
News article
… potential for drilling deviation at such depths, and the need to form
columns
in difficult strata, the objective was to ensure that diameters … of approximately 2m could be achieved and that interlock between
columns
was possible when considering drill deviation. One of the main … This creates a more stable and efficient product with larger diameter
columns
. The trial showed jet grouting was viable. And, after some …
/news/kellers-innovative-approach-super-sewer
Horfield Cutting
Project
… are quicker to install. The baskets are then filled with 6G gabion
stone
to give them the required mass. Upvc sleeves were installed within … the slope once the gabions were finished. Hand placing of the gabion
stone
to the front face ensures a great looking finish to the wall. … …
/projects/horfield-cutting
Rigid inclusions
Technique
… is a ground improvement method using high deformation modulus
columns
constructed through compressible soils to reduce settlement and … depends on the stiffness relationship between the soil and the
columns
. Load from the structure is distributed to the soil and
columns
via a load transfer platform or rigid foundation. … After the …
/expertise/techniques/rigid-inclusions
DP World
Project
… using our plant. … Keller UK … McLaughlin and Harvey … DP World …
Vibro
Compaction at DP World … Ports operator DP World was expanding its … 233,280m 3 of granular material which then required improvement using
Vibro
compaction to meet end product specification requirements. …
Vibro
compaction was carried out using S Pokers brought over from our …
/projects/dp-world
Download
King Post wall
Resource
… A cost-effective system of temporary or permanent retention using
columns
and precast concrete panels. … Brochure … Techniques …
/node/3406
Tesco Store
Project
… a low carbon scheme using rigid inclusions and Mixed Modulus
Columns
(CMM®) avoiding options which would have meant using more … Keller’s fully instrumented technology, to ensure that all of the
columns
were constructed to the highest standards. … Europe …
/projects/tesco-store
Thames Tideway
Project
… of the jet grouted shaft … To form fully interlocking jet grouted
columns
52m deep, in varying ground conditions from within a cofferdam … trials on a previous shaft, Keller formed 2.6m diameter interlocking
columns
at 52m depth, using specialist in-house jet grouting equipment, …
/projects/thames-tideway
Whitworth Community High School
Project
/projects/whitworth-community-high-school
Retaining structures
Technique
… and Gabions that use steel mesh cages filled with a large angular
stone
. … Whatever the size of your project, our in house engineers can … to create a ‘timber cage’ which is then filled with a graded
stone
to create its mass. The gravity retaining wall principle means … face that will assist vegetation in establishing, or have gabion
stone
placed inside the front face to give a maintenance free solution. …
/expertise/techniques/retaining-structures
London Power Tunnels 2
Project
… 700,000 litres of microfine cement grout, to reduce the permeability.
Vibro
drilling techniques were used to drill up to 300 holes and 15 km …
/projects/london-power-tunnels-2
Victoria Station upgrade
Project
… Information Modelling for plotting services, tunnels and grout
columns
of in 4D to avoid a myriad of services beneath the site. … … and so allow safe excavation through solid ground. … Overlapping
columns
ranging in diameter from 1.4m to 1.8m were installed to depths …
/projects/victoria-station-upgrade
Keller companies combine for iconic London hotel project
News article
… plunge circular hollow section mini piles to underpin 26 existing
columns
to create a new deeper double-storey basement beneath the …
/news/keller-companies-combine-iconic-london-hotel-project
Drump Road
Project
… as an alternative. … Keller installed 1.6m diameter jet grout
columns
to between 4m and 8m long through backfilled gravels and clay. Where competent mudstone was encountered, the diameter of the
columns
was reduced but in weaker material the erosive power led to large
columns
with a strength of 5N/mm 2 thus ensuring a sufficiently …
/projects/drump-road
Longbridge
Project
/projects/longbridge
B&M Retail Unit
Project
… During the course of the installation works, Keller trimmed the slab
columns
so that these areas were made ready for the construction of a ground bearing slab. For the foundations, the
columns
were easy to excavate which allowed the follow-on groundworks to …
/projects/bm-retail-unit
Shirebrook Distribution Depot
Project
… apron it was decided to undertake a small strip of less disruptive
vibro
replacement immediately next to it. Thereafter, two Dynamic …
/projects/shirebrook-distribution-depot
Wet soil mixing
Technique
… of the soil is completed as the tool is withdrawn to the surface.
Columns
, typically, are constructed at diameters of 1.0-1.5 metres This process constructs individual mixed
columns
or rows of overlapping
columns
with a designed strength and stiffness. In conjunction with …
/expertise/techniques/wet-soil-mixing
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