Site Characterization Services: Step 4 Laboratory Testing

London, United Kingdom (18 May 2011) – AMEC, the international engineering and project management company, announces today that it has agreed to buy MACTEC, a leading US engineering and environmental services company, from its private equity and other individual shareholders for a cash consideration of US$280 million. Completion is subject to regulatory approval and is expected by the end of June 2011. [Editor] Click through for the rest of the press release from AMEC. [/Editor]

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It’s that time again.  Here are a collection of changes/additions to ASTM standards that are relevant to geotechnical engineers, soils labs, CQA firms and related disciplines.  There are a couple of interesting new standards available.  D7698 is a new procedure for estimation of in-place density and water content of soil and aggregate by correlation with complex impedance.  I’m not eactly sure what that is, but it sounds cool.  There is also a new standard (D7702) that provides guidance for the evaluation of direct shear results involving geosynthetics.  Read on for these and other updates.

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You might not think that geotechnical engineering would have anything to do with the Apollo 11 mission that put the first humans on the surface of the moon, but you would be wrong. The landing […]