Redi-Rock Wall – Free Software for Gravity Retaining Walls

[Update Jan 28, 2008] It appears as if the Port of Seattle is in some hot water for some alleged shady dealings with one of the contractors on the project.  More at Seattle Times. [/Update]

Erosion Control magazine has an interesting article on MSE Walls. I think the tie-in of MSE Walls with erosion control is a little questionable (they did mention wall drainage a few times), but the article highlights several interesting projects, particularly the Seattle-Tacoma Airport or Sea-Tac Third Runway Project retaining walls. The West wall for that project is the tallest MSE Wall in North America, 130-ft at its highest point. More after the break. (Photo by Sea-Tac Airport)

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On April 10, GeoStudio 2007 version 7.1 was released, a significant service pack update. There are numerous bug fixes and some major improvements. Geo-Slope claims that the overall speed of the product is faster when switching between analyses and views, a welcome change. There are some nice changes to the way Sketch Text is handled, which makes it easier to handle annotation of multiple analyses. And something interesting that’s new in SLOPE/W that allows you to specify a “Spatial Mohr-Coulomb” model which allows unit weight, cohesion and friction angle to vary across the geometry as a function of x and y. I can’t think of a case where I would have used such a model, but it is very intriguing. More features listed after the break along with links.

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Version 3 of the Soil Nail Analysis Program (SNAP-2) has recently been released by the FHWA. It addresses the following issues identified in previous versions: The resolution of the search area when working at different […]