Los Olmos tunnel project under the Peruvian Andes Mountains
Project Related

Los Olmos Tunneling Resumes

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 […]

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

Basalt Rock-fiber Rebar Gets First Big Test

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, […]

American Society of Testing Materials Logo - ASTM
Standards and Codes

ASTM Updates September 2010

American Society of Testing Materials Logo - ASTMLast month there were several updates to standards involving texting the flexural strength of concrete as well as updates to some masonry and dimension stone standards.  ASTM D6926 – Standard Practice for Preparation of Bituminous Specimens Using Marshall Apparatus has been updated, so if you are involved in asphalt pavement testing, make sure you go and find out what the changes are. There are also a whole slew of groundwater and site investigation standards that were reapproved.

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Karl Terzaghi, father of soil mechanics and geotechnical engineering
In Memoriam

Happy KTBD 2010

That’s my lame attempt at trying to coin a new geotechnical engineering catch phrase for “Karl Terzaghi’s Birthday.”  Plus it tweeted better on Friday! Saturday, October 2 was the actual day. Every year my colleague […]

No Picture
Weekend CUP

Weekend CUP October 4, 2010

Water Use in Southwest Heads for a Day of Reckoning – Source: NYTimes.com via AGC SmartBrief Performance of Open-Graded Base Course: A Literature Search – Source: TRB Geotechnical, surveying systems improve mine safety – Source: […]

Road header breaking through at Devil's Slide Tunnel
Project Related

Devil’s Slide Breakthrough Video and Links

Road header breaking through at Devil's Slide Tunnel The “breakthrough” media event for CALTRANS’ Devil’s Slide Tunnel project was this past Friday.  A large crowd of politicians, news crews and locals were on hand as a road-header broke through a shotcrete face in a ceremony to mark the completion of the excavation portion of the first of two tunnels.  It will still be over a year until the tunnels are opened to traffic.  The second tunnel is expected to breakthrough as early as this week. (Photo by SFGate.com)



Caltrans tunnel punch-through from Barry Parr on Vimeo.

The Video came from the Coastsider, the page also has comments from the videographer, Barry Parr, which offer a good perspective on the event.

Click on through for more links etc.

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