The purpose of this manual is to guide TXDOT districts in geotechnical investigation and design for project development.
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Volcano Summer – Three months on the Long Mountain
Jess Deemer has been spending the summer working on the world’s largest volcano. She is a grad student at California State University – Los Angeles working on a M.S. in Geology. If you ever fantasized […]
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Herrenknecht
Herrenknecht is a manufacturer of tunnel boring machines and other tunnel construction technology products. Visit Herrenknecht
Standards and Codes
ASTM Updates for April 2011
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.