News – Page 104 – GeoPrac.net

Solar-Powered “Stone Spray”™ 3D Printer Robot Creates Entire Buildings From Sand!

September 7, 2012 rockman Comments Off

The Inhabitat article headline above might be a little bit of an exaggeration, but the technology is still very interesting. A 3-D robot arm uses a special spray to bind the sand together to create […]

A worker surveys the damage from a blast gone wrong for the Second Ave. Tunnel Project

Blasting for NY subway construction showers street with debris

September 7, 2012 rockman Comments Off

Blasting for the New York MTA’s Second Avenue Subway project unexpectedly showered the street level with debris, damaging buildings. Fortunately there were no injuries. Some debris reached the height of a 5 story building. [Source: […]

Aerial photo of the Bayou Corne sinkhole on August 16, 2012

Massive Sinkhole in Louisiana’s Bayou Corne

September 7, 2012 rockman Comments Off

A sinkhole formed at the beginning of August near a brine production operation in Bayou Corne near Baton Rouge, Louisiana. The sinkhole, now referred to as a slurry hole, measures roughly 600 ft by 300 […]

VIDEO: Boaters film landslide furiously roaring down hill

August 27, 2012 rockman 1

Earlier this summer, there were several large landslides in B.C. Canada, including some with fatalities. Around that time, the landslide video below was captured by some boaters. [Source: WTVR.com]

Podcast on Geotechnical Consultant Agreement – ConsensusDocs 246

August 27, 2012 rockman Comments Off

Consensus Docs is a construction contract website and service. They have posted a podcast on one of their documents, a Geotechnical Consultant Agreement. The podcast is embedded below. You can find a PDF transcript and […]

Bridge piers left incomplete after slope movement caused them to be out of plumb on the Oregon Route 20 Project from Pioneer to Eddyville

Analysis: Did Design-Build Fail on Route 20 in Oregon?

August 27, 2012 rockman Comments Off

The Oregon Route 20 project resulted in the original design-build contractor being terminated from the project after bridge pier bents began shifting from construction activities in a landslide-prone area. "Design-build is more of a risk […]

Tensar Corporation’s Geopier Foundation Company Subsidiary Acquires Slope Reinforcement Technology

August 27, 2012 rockman Comments Off

ATLANTA-August 22, 2012- Tensar Corporation’s Geopier Foundation Company subsidiary (“Geopier”), a leader in ground improvement solutions, today announced its acquisition of Slope Reinforcement Technology, LLC (“SRT”).

The acquisition allows Geopier to offer slope stabilization solutions while boosting SRT’s market reach. Geopier has historically focused on providing vertical ground reinforcement in support of foundations and their structures. SRT has concentrated on slopes that have failed or are potentially unstable. [Editor] Click through for the rest of the press release. [/Editor]

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Layne Christensen Company to Celebrate 130 Year Anniversary by Ringing The NASDAQ Stock Market Opening Bell

August 27, 2012 rockman Comments Off

MISSION WOODS, Kan., Aug. 23, 2012 (GLOBE NEWSWIRE) — Layne Christensen Company (Nasdaq:LAYN) ("Layne" or the "Company") announced today that Chief Executive Officer Rene Robichaud will commemorate Layne’s 130th anniversary by ringing the Opening Bell […]

A roadheader inside the Caldecott Fourth Bore Tunnel

Caldecott Tunnel fourth bore nears end of big dig

August 22, 2012 rockman Comments Off

The 2-year process of excavating the 3,389 foot long fourth bore of CALTRANS’ Caldecott Tunnel is nearly complete. The tunnel is anticipated to be put into service in 2013 to help relieve a major traffic […]

One of the eight Crossrail Tunnel Boring Machines or TBMs

Crossrail – the engineering geology

August 22, 2012 rockman Comments Off

For those outside the UK, the Crossrail project is a mega-project upgrade to the London metro area’s subway system. The tunneling portion of the project will consist of 21-km of twin-bore tunnels excavated by eight […]