Keller works closely with railway owners, engineers, and contractors active in the railroad sector.
Keller is a licensed Department of Transportation contractor in all 50 states and has provided solutions for local and Federal Government agencies throughout the country.
Keller has provided solutions for tunneling operations for over four decades.
Keller's experience in wastewater/sewage treatment, transport, and disposal projects enables us to provide cost-effective geotechnical solutions for challenges unique to this sector.
Keller has provided geotechnical solutions for every public and private educational institution level.
Keller provides geotechnical solutions for planned or existing hospitals, medical centers, extended care facilities, and other healthcare structures.
We believe in growing cities that allow a life-work balance developing and building culture, sports, and entertainment venues. We contribute by providing innovative and cost-effective foundation solutions to these projects.
Vibro stone columns, or vibro replacement, are the construction of dense aggregate columns (stone columns) with a down-hole vibrator suspended from a crane or specially built rig.
Keller delivers practiced displacement piling construction services.
Load bearing elements (LBE), or barrettes, refers to using single or multiple arrangements of rectangular elements to support significant structural loads for structures.
Cutter Soil Mixing (CSM) enhances the engineering properties of soils and reinforces soil masses by mechanically mixing the in situ soils with a binder slurry, typically comprising either cement or bentonite slurry or a combination of the two.
Construction dewatering, the temporary lowering of the groundwater, has been practiced by Keller for more than 90 years, and we are recognized as the industry's preeminent dewatering contractor and an innovator in the field.
Artificial ground freezing converts in situ pore water to ice through the circulation of a chilled liquid via a system of small-diameter pipes placed in drilled holes.
Pit underpinning stabilizes structures before adjacent excavation using concrete and mortar.
Slab jacking raises concrete slabs and fills underlying voids using the controlled injection of Portland cement grout.
Jacked in piles or piers are constructed using small-diameter steel pipes advanced to bearing depth by hydraulic jacks secured to the existing structure being underpinned.
