Cover of FHWA NHI Mechanically Stabilized Earth Walls and Reinforced Slopes Design and Construction Guidelines course manual.
Available Resources

FHWA NHI 2009 MSE Wall Manual

Cover of FHWA NHI Mechanically Stabilized Earth Walls and Reinforced Slopes Design and Construction Guidelines course manual.[Disclosure] NCS Consultants is the employer (day job) of Randy Post, the owner of this site. [/Disclosure]

Geotechnical engineers who encounter MSE retaining walls or Mechanically Stabilzed Earth Walls are undoubtedly familiar with the FHWA NHI manual on “Mechanically Stabilized Earth Walls and Reinforced Soil Slopes”. This manual, along with the NCMA manual that is used for non-transportation projects, is virtually the bible for MSE wall design. In late summer/early fall of 2009, a revised version of this manual will hit the streets. Read on for more details.

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Landslide blocks SR 14 east of Cedar City, Utah
Geologic Hazards

Landslide Closes SR 14 in Utah

Landslide blocks SR 14 east of Cedar City, UtahA large landslide has closed SR 14 east of Cedar City, Utah. UDOT expects that the road will be closed for up to 2 weeks for cleanup and to ensure that the slope is safe. Boulders up to an estimated 20 tons are now blocking the road and will likely need to be blasted down to a smaller size. A UDOT spokesman interviewed on the video shown after the break estimate the size of the slide at 700 to 800-ft long and 10 to 12-ft thick.

 

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Oregon man laments losing his house to fire after a landslide knocked it off its foundation
Geologic Hazards

Oregon Landslide News and Map

Oregon man laments losing his house to fire after a landslide knocked it off its foundationThis is definitely the season for landslides, mudslides, debris flows and other mayhem in Oregon and elsewhere in the pacific northwest. It seems like every time I turn around there is another Google Alert in my inbox about a landslide related issue in that area. Having a hard time keeping up with it all, I decided to try something new. Click through to see a map of automatically updated landslide news in Oregon. Lets call it a Beta…so we’ll see if it works out. If it does, maybe I’ll try something similar for other areas or other items that tend to make it into the news. (Photo by Ross William Hamilton/The Oregonian)

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TVA coal ash dyke failure
Failures

TVA Coal Ash Disaster

On December 22 of 2008, there was a massive failure of a fly ash landfill (tailings dam?) at the Tennessee Valley Authority’s (TVA) Kingston power plant. The failure caused a torrent of coal ash sludge […]

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Rockman's Ramblings

Top Content of 2008

Happy New Year to all GeoPrac.net members and visitors! I send you warmest wishes for a happy, healthy and fulfilling 2009. As is the custom on most blogs, I’ve taken a look at the most popular items on the site from 2008. I define popularity as highest average hits/day, not just the most hits, otherwise it biases things towards those articles that have been posted longer. I also break down the most read articles of 2008 including those published earlier, and the most popular items published in the last quarter. Click through for the lists.

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