Constructed in 1931 by the Illinois Terminal Railroad, the Tucker Tunnel is located underneath Terminal Boulevard in downtown St. Louis. Over the years, the tunnel condition has deteriorated and the concern is that the failure […]
The ACEC has some great shots from the dedication ceremony for the Hoover Dam Bypass Bridge, including all of the visiting dignitaries and politicians, the plaques and of course shots of the bridge and the […]
I am not a geocacher, but I’ve always thought it sounded like a fun thing to do when my kids get a little older. But this author has some unique insights into the hobby that […]
Hopes are pinned on the Cotswold Geotechnical Holdings case clarifying the scope of the Corporate Manslaughter Act – Source: HR Magazine (UK) Seismicity Induced by Geothermal, Oil and Gas, CO2 Sequestration – Source: Geology.com Clark […]
TRB’s National Cooperative Highway Research Program (NCHRP) Report 663: Design of Roadside Barrier Systems Placed on MSE Retaining Walls explores a design procedure for roadside barrier systems mounted on the edge of a mechanically stabilized […]
ADAMA Software has released update 11 for their Mechanically Stabilized Earth retaining wall design software, MSEW 3.0 as of October 23, 2010. It appears that the changes mainly involve adding the updated AASHTO LRFD seismic […]
ADAMA Software has released update 13.1 for their Mechanically Stabilized Earth retaining wall design software, MSEW 3.0 as of August 30, 2011. Some of the design methodology changes in the 2009 FHWA manual for MSE […]
Time again for a summary of changes to ASTM standards that may be of interest to geotechnical engineers, engineering geologists and those in geoconstruction and even lab testing or CQA. This month there is a new standard for a new type of geomembrane, revisions to standards relating to ultrasonic testing and general nondestructive testing terminology, evaluation of particle shape in aggregates, and re-approval of standards relating to non-asbestos fiber-cement based products. Click through for more.
On October 15, a major milestone was reached on Europe and the World’s longest rail tunnel. The Gotthard Base tunnel under the Swiss Alps will form a high speed rail link between northern and southern […]
A bridge near Brewster, Minnesota collapsed under the weight of a 40-ton asphalt milling machine that had nearly completed the milling operation. The bridge carries Nobles County 1 over Elk Creek. The operator of the […]
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