AASHTO LRFD Bridge Design Specifications – 2008 Interims Released
Software Updates
MSEW and ReSSA Updates
ADAMA Software has released update 9.2 for their Mechanically Stabilized Earth retaining wall design software, MSEW 3.0 as of December 12, 2008. They also released update 3.1 for ReSSA 3.0, a reinforced soil slope design program on January 15, 2009. The ReSSA update seems like a relatively minor one, but the MSEW update contains a number of updates related to AASHTO LRFD resistance factors and design methods. If you are involved in MSE wall design for highway structures using LRFD, be sure to click through for a few highlights from the update and the download link.
Journal Article Reviews
Drilled Shaft Industry Notes
In the May 2007 edition of Foundation Drilling Magazine, a publication of the Association of Drilled Shaft Contractors (ADSC), Silas Nichols, PE of the Federal Highway Administraton provided a summary of the FHWA’s role in providing guidance on drilled shaft design and construction over the years through research funding, publications and involvement in AASHTO and other agencies. Also in the article is an overview of upcoming updates to AASHTO codes, and FHWA publications. Read on for more details.
Links
RisiStone Systems
Creators of several nice modular block retaining wall systems. Their website has free design software for their products. Visit RisiStone Systems