AECOM posted a nice summary of their geotechnical expertise on their website a few months ago. It offers a nice overview of what a geotechnical engineer can contribute to a project in terms of expertise, cost savings, and reduced construction time. They also discuss their ‘living legend’, Clyde Baker, who has been involved in design and peer review of high-profile projects around the world, including the Burj Khalifa tower pictured here. [Source: AECOM. Image: AECOM]
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New FHWA Mechanically Stabilized Earth Retaining Wall (MSE Wall) Manual
The much anticipated LRFD update to the MSE Wall and Reinforced Soil Slope Manual is now available for download from the FHWA’s website. The full title of the document is Design of Mechanically Stabilized Earth Walls and Reinforced Soil Slopes and it was authored by Ryan R. Berg, P.E.; Barry R. Christopher, Ph.D., P.E. and Naresh C. Samtani, Ph.D., P.E. Find the abstract and download link below. As time permits, I’ll try to post more about some of the changes in this important geotechnical publication.
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ASTM Updates September 2009
This post contains a summary of geotechnical, materials testing, geosynthetic and related testing standards that were updated by ASTM during the month of September. This month there were not as many updates as the last couple, but a few that caught my eye are a new standard for measuring geosynthetic-soil resilient interface shear stiffness, a revision to the standard practice for laboratories testing concrete and concrete aggregates for use in construction and criteria for laboratory evaluation and a revision to the standard for measuring slump flow of self-consolidating concrete.