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Keller Group
Keller delivers comprehensive geotechnical construction solutions for surface and underground mining projects. Our experience spans operational, decommissioned, and planned mines and quarries, helping owners and operators reduce risk, stabilize infrastructure, and support reliable operations.
Mining and mineral operations face complex subsurface challenges throughout the mine lifecycle. From new mine development and active production to reclamation and closure, ground conditions, groundwater control, and long-term stability are critical to safety, productivity, and environmental performance.
Geotechnical construction solutions for mining
Keller offers the broadest range of geotechnical construction techniques available to the mining industry. Our integrated design‑build approach allows us to deliver cost‑effective, constructible solutions tailored to site‑specific conditions, even in remote locations.
Our mining solutions include ground improvement systems, environmental groundwater control, dewatering, earth retention, and ground freezing to support shaft access and underground construction. We also provide rapid response stabilization of distressed mine infrastructure to help restore operations safely and efficiently.
For tailings storage facilities and heap leach pads, Keller delivers specialized solutions that improve stability and performance. Our patented vertical drainage system for heap leach piles helps reduce slope failure risk while improving percolation and recovery efficiency.
Keller's experience in the mining industry
Keller crews have worked in surface and underground mines for more than 50 years, completing projects for mining companies, government agencies, and mine reclamation programs worldwide. This experience allows us to tailor solutions based on real‑world performance and successful project outcomes.
Safety is fundamental to Keller’s mining work. Our Mine Safety and Health Administration-certified crews, specialized equipment, and Think Safe program support reliable execution on technically challenging projects while meeting or exceeding client and regulatory requirements.
Sector challenges we can solve
- Remediation and reclamation of legacy and decommissioned sites
- Ground improvement for new mine facilities and infrastructure
- Foundations for processing plants, conveyors, and support structures
- Tailings consolidation and support for embankment raises
- Slope stabilization and earth retention for unstable ground
- Groundwater cutoff and dewatering for environmental protection and mine access
- Increased recovery of leachate in leach pads
- Acceleration of strength gain to support operational and expansion demands
Related projects
Mining
Harte Gold Grout Curtain
Keller installed a rock fissure grout curtain that provided effective seepage control for a tailings dam, enhancing long-term performance at a remote mining site.
Mining
K+S Potash Cogeneration Building
Keller installed cast-in-place piles to support a new cogeneration building within an active mining environment.
Mining
Kansas Underground Salt Museum
The Hutchinson salt mine is an active salt mine in the United States with an underground museum open to the public. Ground freezing ensured dry and stable excavation of the new elevator shaft.
Mining
Gibson County Coal Mine
Ground freezing is often specified for sinking production mine shafts through deep, water-bearing ground. The technique was first used at a US mine in 1888.
Mining
The Milestone Project
Keller provides a deep foundation design-build solution, saving the owner time and money for a new potash mine facility near Regina.
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