Soil Nail Launcher - NBC
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The Soil Nail Launcher
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In the early 1930’s, a series of dry stack masonry retaining walls were constructed along a portion of state Highway 290, in Texas. Over time, one of the walls experienced signiﬁcant retained material loss creating voids underneath the existing road surface. In late 2014, GeoStabilization permanently renovated the retaining wall and repaired the road voids beneath the pavement.
A Colorado-based company that specializes in geohazard repair and prevention, GeoStabilization International® was contracted by the Virginia Department of Transportation to cover about 47,500 square feet of weathered surface.
A stunning backdrop surrounds crews in Georgia, as they work to convert a 100-year-old quarry into a water storage facility.
Geostabilization International®, Colorado, is the only company that can stabilize a road by both drilling soil nails and shooting soil nails with compressed air into the earth. At Brook Road, the company decided that drilling the soil nails would be a safer method.
Launched soil nails are a unique remedial technology in the geotechnical construction toolbox. These 20-ft-long, 1.5-in.-diameter nails are installed in a single shot using a compressed air “cannon” at velocities of up to 250 miles/hour, and at rates approaching 250 nails/day. The nails reinforce an unstable or potentially unstable soil mass by transferring the nail’s tensile and shear capacity into the sliding soil. However, at least as interesting as the tool itself, is the story behind the development of launched soil nail technology over the past 30 years.
A new approach to road and landslide stabilization using small inclusions, and lots of them, not only proved to be an effective permanent fix, it was also delivered quickly and on budget that was 50% less than traditional methods.
ColoradoBiz Magazine names GeoStabilization International® as one of Colorado’s Top General Contractors
Spanish Fort Bluff Likened to ‘Hoover Dam’
Rappelling Road Crews Work To Stabilize Rock Slide
The N.C. Department of Transportation has hired a company based in Grand Junction, Colo., to repair and stabilize a section of U.S. 21 in Wilkes County on the Blue Ridge Mountain escarpment.