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Homeground freezing

ground freezing

Moretrnch ground freezing technology at the Washington D.C. First Street Tunnels Project
Available Resources

Ground Freezing Goes Mainstream with Popular Mechanics

December 20, 2015 rockman Comments Off on Ground Freezing Goes Mainstream with Popular Mechanics

GeoPrac sponsor Moretrench is a specialty geotechnical contractor known for their expertise with a variety of geotechnical construction methods. But they are probably best known for their niche work with ground freezing technology. Popular Mechanics […]

Ice wall to prevent migration of radioactive ground water at Fukushima Nuclear Facility
Project Related

Geocomp to Provide Engineering Services for Fukushima Ice Wall

July 27, 2015 rockman Comments Off on Geocomp to Provide Engineering Services for Fukushima Ice Wall

After the 2011 Fukushima earthquake, the reactors at TEPCO’s nuclear facility began leaking radioactive groundwater. The plan to contain the contamination is to use ground freezing to construct an "ice wall" to cutoff the flow. […]

A worker walking near water tanks at the Fukushima Daiichi nuclear plant in Japan.
Failures

Ground Freezing proposed to stop radioactive groundwater at Fukushima Nuclear Plant

August 9, 2013 rockman Comments Off on Ground Freezing proposed to stop radioactive groundwater at Fukushima Nuclear Plant

New leaks into the groundwater have been detected at the Fukushima Daiichi Nuclear Power Plant in Japan that experienced a triple meltdown in 2011 after an earthquake and Tsunami. The plant’s operator, Tepco, recently admitted […]

Contaminated soil remediation by Moretrench
Available Resources

Geotechnical construction methods to control contaminated soil and groundwater

November 29, 2012 rockman Comments Off on Geotechnical construction methods to control contaminated soil and groundwater

Excavations in an urban environment often encounter contaminated soil and/or groundwater. GeoPrac sponsor Moretrench is an expert in geotechnical construction methods for preventing the contamination from entering or leaving a site. In a recent blog […]

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Project Related

Video: Ground Freezing and the Hetch Hetchy Water Supply Tunnel

November 6, 2012 rockman Comments Off on Video: Ground Freezing and the Hetch Hetchy Water Supply Tunnel

This is a great video showing the application of ground freezing to deep excavations in unstable soil and high groundwater table.  It’s also a nice overview of the reason the Hetch Hetchy project was undertaken, […]

Preston tunnel project, Lancashire, UK, where TBM is stuck
Project Related

Contractors battle to extract TBM after silt breaches tunnel

February 28, 2011 rockman Comments Off on Contractors battle to extract TBM after silt breaches tunnel

A TBM is stuck on a 2.85m diameter stormwater tunnel in Lancashire, UK. The tunnel is planned to be 3.5-km long, but has been stalled since November when the silt intrusion stopped the tunnel boring […]

Excavation and ground freezing by Moretrench for MTA's Second Avenue Subway
Project Related

Ground Freezing and Tunneling for New York MTA’s Second Ave Subway

February 21, 2011 rockman Comments Off on Ground Freezing and Tunneling for New York MTA’s Second Ave Subway

GeoPrac sponsor Moretrench is a key team member of the Second Avenue subway team, performing ground freezing on a 150-ft stretch of tunnel alignment in preparation for the second tunnel. ENR reports that approximately 7,200 […]

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Miscellaneous

ASCE North Jersey Branch Geotechnical Group Upcoming Events

January 20, 2010 rockman Comments Off on ASCE North Jersey Branch Geotechnical Group Upcoming Events

GeoPrac.net Premier sponsor Moretrench would like to announce two upcoming events in the ASCE North Jersey Branch Geotechnical Group: Ground Freezing Challenges for Horizontal Connection Between Shafts Under Difficult Geologic and Hydrostatic Conditions by Mr. […]

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Rockman's Ramblings

Thank you to Moretrench, GeoPrac.net’s Newest Sponsor!

September 7, 2009 rockman Comments Off on Thank you to Moretrench, GeoPrac.net’s Newest Sponsor!

I am pleased to announce that Moretrench, a specialty geotechnical contractor based in Rockway, New Jersey, has become the second Premier Sponsor of GeoPrac.net. Moretrench has a proud and distinguished history in the industry, dating […]

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