News – Page 143 – GeoPrac.net

Trimble Announces 4d Control Software for Structural and Geotechnical Monitoring

October 14, 2010 rockman Comments Off

At the INTERGEO 2010 conference in Cologne, Germany, Trimble announced its 4D Control Software for monitoring of movements on a variety of structures and geotechnical features. It even includes the ability to connect to various […]

TBM with twin tunnels of the Gothard Base Tunnel or GBT, Sedrun segment

Just 10m of drill and blast left on Gotthard Base Tunnel

October 11, 2010 rockman 1

This 57-km tunnel under the Swiss Alps has nearly broken through after 11-years of work. This tunnel will create a ‘flat’ rail path through the Alps and become the world’s longest rail tunnel. [Source: World […]

Layne Christensen Drillers Reach Trapped Miners in Chile

October 11, 2010 rockman Comments Off

MISSION WOODS, Kan., Oct. 10, 2010 (GLOBE NEWSWIRE) — “Plan B” worked. Winning the three-way race to reach the 33 miners trapped in Chile since Aug. 5, drillers from Kansas City-based Layne Christensen Co. broke through at 8 a.m. Saturday.

[Editor] Click through for the rest of the press release. [/Editor] […]

Geosynthetic reinforced soil (GRS) bridge system, Defiance County, Ohio

Feds eye St. Lawrence NY’s cheap, speedy Geosynthetic Reinforced Soil (GRS) bridges

October 7, 2010 rockman Comments Off

New York’s St. Lawrence County DOT has attracted the attention of the FHWA…in a good way. The agency has built 5 Geosynthetic Reinforced Soil (GRS) bridge abutments since last fall, and the sixth will be […]

Los Olmos tunnel project under the Peruvian Andes Mountains

Los Olmos Tunneling Resumes

October 7, 2010 rockman Comments Off

The construction of a 20-km tunnel that travels some 6,900-ft below ground has finally restarted after being broken down for several months after being damaged by a rock burst. The Los Olmos tunneling project will […]

The Hungarian mining accident – images of the failure of the impounding embankment

October 5, 2010 rockman Comments Off

The image of this failed bauxite tailings dam is very tragic and the pictures of the impact to the local town are very sad. But one thing that struck me about this particular image is […]

Basalt-fiber reinforced polymer or BFRP rebar used on a bridge in Northern Ireland

Basalt Rock-fiber Rebar Gets First Big Test

October 5, 2010 rockman Comments Off

Basalt fiber reinforced polymer (BFRP) rebar has been installed in a bridge deck in Northern Ireland. It has twice the tensile strength of regular steel, and weighs approximately 75% less. According to the ENR article, […]

Bridges targeted for approach embankment repairs

October 5, 2010 rockman Comments Off

The City of Treasure Island, Florida (near Tampa) will be spending around $100k to repair approach embankments to the Isle of Capri and Isle of Palms bridges. …due to the degradation of seawalls and seals […]

Directional Drilling - an option for environmental remediation

Directional Drilling for Environmental Remediation

October 4, 2010 rockman 1

Vertical environmental wells for monitoring or remediation of contaminated sites are fairly well known. But over the last 20-years or so, the technology for directional drilling for environmental remediation has existed but has been largely […]

Grouting project to protect Snake River Plain Aquifer completed ahead of schedule

October 4, 2010 rockman Comments Off

September 29, 2010 — The Idaho Cleanup Project safely completed a remedial action five weeks ahead of schedule that protects the Snake River Plain Aquifer by grouting buried waste at the U.S. Department of Energy’s […]