Geotechnology Launches New Mining and Underground Development Consultation Services


Long associated with applied earth, environmental and geotechnical engineering and construction services “from the ground up,” Geotechnology is now assisting clients with mining and underground development consultation and inspection services.

These new “ground down” services identify, rectify and/or mitigate issues involving mines, tunnels, caves, and karst, and also assist with new development opportunities within and above areas.

For more than 35 years, Geotechnology’s geotechnical professionals have used their geological and engineering experience to advise on the design of buildings and structural foundations that are impacted by soil, rock, groundwater, seismicity, and other factors. With the recent addition of a senior engineer and geologist with almost 20 years of experience in subsurface investigation and remediation, Geotechnology is extending its suite of professional services to include subterranean consultation services.

“There are vast opportunities that can be pursued underground,” said Joel Weinhold, P.E., Regional Manager for Geotechnology’s Central Region. “With proper design and construction, we can help repurpose obsolete mines, karst and other underground areas for private or public use. We are very pleased that we can contribute to sustainable projects that could include surface and subsurface development, new resource exploration, renewable energy, farming or other commercial and recreational activities.”

It takes a unique skill set and experience to understand, and practically address, geotechnical concerns associated with underground development. Caves, man-made tunnels and mines have unique qualities and pose unique challenges. There are many regions in the U.S. where mines and shafts exist but are not mapped. Likewise, much of the country is affected by karst, where erosion has produced fissures, sinkholes, caverns and underground streams. To avoid instability issues, geological and geotechnical conditions should be explored. This requires knowledge about lithology, strength, bedding, jointing, foliation, fractures, hydrogeology and chemical components.

Geotechnology’s new mining and underground development consultation services utilize state-of-the-art equipment such as borehole cameras to determine if there are anomalies, and dilatometers for stress and stability testing. Geotechnology owns its own equipment and testing laboratories, so projects can progress efficiently with lower costs.

By combining innovation and skill, Geotechnology can provide cost-effective solutions for developers, government agencies, public and private industrial institutions, architectural and engineering firms and construction companies who seek safe, economical, and environmentally sound underground construction services.

Established in 1984, Geotechnology, Inc. is a professional corporation offering a comprehensive range of consulting services in applied earth and environmental sciences, including geophysics, underground consulting services, geotechnical and environmental engineering, materials testing and drilling. Geotechnology has provided expertise on thousands of major construction projects in the Midwest and Mid-South regions, and is ranked in ENR’s Top 500 Design Firms. The company is headquartered in St. Louis, Missouri, and has ten offices in Missouri, Illinois, Kansas, Ohio, Kentucky, Tennessee, Mississippi and Arkansas. For more information, visit

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