Crux Subsurface employees drilling geotechnical holes for the US 89 landslide investigation
Geologic Hazards

U.S. 89 Landslide Exploration

Specialty drilling contractor Crux Subsurface recently completed geotechnical drilling for Kleinfelder at the site of a large landslide near Page, Arizona. Crux completed 17 holes to depths up to 250 feet using a combination of […]

Cellular concrete being flowed into pipeline trench
Available Resources

Cellular Concrete: Filling the Void

An article in TBM magazine provides a nice overview of cellular concrete technology. I never knew this (although it makes sense) but the material was used primarily as a lightweight floor leveling product for high-rise […]

HBM's Screwsol piling rigs installing foundation for new Lego factory
Project Related

Foundations of the new factory of Lego

Soletanche Bachy’s Hungarian company, HBM was successful in winning a design-build contract for a new factory for the world famous toy company, LEGO. The foundation work, which was undertaken in 2012, included 50 km of […]

Water rushes into the Carey Tunnel (previously the Brooklyn Battery Tunnel)
Geologic Hazards

GEER Report for Hurricane Sandy

The Geotechnical Extreme Events Reconnaissance or GEER group funded by the NSF puts experts on the ground in the aftermath of natural disasters to collect geotechnical data that can used in case studies and ultimately […]

Artist's impression of the Northcumberlandia human landform
Project Related

Geosynthetic solutions for Northumberlandia

Geogrid reinforced soil slopes, gabion retaining walls, erosion control blankets and other geosynthetics are being used to construct the world’s largest human form sculpted into the landscape on a project known as Northcumberlandia. The woman […]

The DeWind one-pass trenching machine
Articles

One-pass trencher installs slurry wall through hard soils

The DeWind one-pass trenching machine

[Editor] The DeWind One-Pass Trenching company specializes in installing groundwater control or remedial systems underground, under the water table in a single pass. They have been in business for over 25 years and design, build, and operate these specialized one-of-a-kind machines.

In this contributed article by Lis Smith of DeWind, she describes a project to construct a soil/bentonite slurry wall around the perimeter of a site which was once a pre-World War II munitions factory. The groundwater contamination, difficult ground conditions and special project requirements were a perfect application of the DeWind One-Pass Trenching technology. Read on for more about this interesting project and technology. [/Editor]

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