News – Page 130 – GeoPrac.net

Liquefaction damage to a building in Japan

Japan 2011 Tohoku Earthquake Supplemental Links

May 16, 2011 rockman Comments Off

Here are a few links related to the Tohoku Earthquake in Japan that I never had time to blog about. Japanese Disaster – One Week On – Source: Natural Hazard Media Monitoring QUIET DANGER | […]

Weekend Super Catch-Up Post

May 13, 2011 rockman Comments Off

It’s Friday, you weren’t going to do any work today anyway, were you? I had some problems with my system for tracking articles and headlines to post to GeoPrac, so this is me cleaning house […]

EPS Geofoam Project Second Largest in US

May 13, 2011 rockman Comments Off

DENVER, CO–(Marketwire – May 10, 2011) – ACH Foam Technologies supplied an estimated 2.1 million cubic feet of EPS Geofoam to the second largest Geofoam project in the US: the West Valley TRAX line. Utah Transit Authority (UTA) constructed the light rail line to a new hub in West Valley near Salt Lake City. Projected to cost $200 million and span 5.1 miles, the project required 639 truckloads or 750,000 cubic yards of the lightweight fill material. ACH Foam delivered the first truckloads in Febuary 2009; Geofoam installation was complete by January 2010. [Editor] Click through for the rest of the press release from ACH Foam Technologies. [/Editor]

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Nicholson Construction starts $1.7M grout curtain project in Arkansas

May 12, 2011 rockman Comments Off

ROGERS, Ark. — Construction of a “grout curtain” through Beaver Dam Dike 3 began this week to correct the dike’s chronic seepage problem. The work will be performed by GeoPrac.net sponsor Nicholson Construction company under […]

Recycled Rubber in Various Engineering Applications

May 11, 2011 rockman Comments Off

Recycled rubber from tires has been used in various civil engineering projects. The California Department of Resources Recycling and Recovery (CalRecycle) promotes these uses which included RAC or rubberized asphaltic concrete as a friction enhancing […]

Robert Thompson awarded the Diplomate, Geotechnical Engineering (D.GE) certification

May 5, 2011 rockman 1

A little late, but congratulations to my colleague and fellow blogger, Robert Thompson on receiving the D.GE certification. Wish I could have been there! [Source: Dan Brown and Associates, PC. Image: DBA]

Aero-Train tunnel portals at the Dulles Airport

Going Underground at Dulles Airport in Washington, D.C.

May 5, 2011 rockman Comments Off

The cover story for Tunnel Boring Magazine’s April 2011 issue is about the Aero-train tunnel at Dulles Airport that has recently celebrated it’s first year of operation. There are 3 miles of tunnels that guide […]

Video: Geotechnical investigation of the March 11, 2011 Tohoku Earthquake, Japan

April 29, 2011 rockman Comments Off

5619603229_55577ce7ca The NSF funded Geotechnical Extreme Events Reconnaissance (GEER) team has provided a preliminary report and some amazing photos and video of the damage to various regions of Japan affected by the moment magnitude 9.0 earthquake that struck on March 11, 2011. Read on to see some amazing photos and video of the liquefaction damage related to the Tohoku Earthquake in Japan. (Photos from Oregon State Flickr)

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DBM Contractors working on the Capital Hill Sound Transit Station in Seattle

Local contracting firm working on Capitol Hill transit station

April 29, 2011 rockman Comments Off

An article about DBM Contractors of Federal Way, Washington. They are a specialty geotechnical contractor and are working on the Capital Hill Station for the Sound Transit light rail system in the Seattle Metro area. […]

Engineers at Marl Technologies with their undersea drill

MARL Designs Geotechnical Drill Rig that Will Drill in 3,000-m Deep Water

April 29, 2011 rockman Comments Off

That’s right, it can operate in 3,000 meters of water, and it can drill and sample up to 150-meters below the ocean floor while being operated remotely from a ship above the drill site. [Source: […]