At the Arcadia flood risk management project, in Arcadia, Wisconsin, geotechnical staff are gathering data using a unique method of subsurface exploration. The Cone Penetrometer Test, or CPT, is one ...
BOSTON (CBS) - Engineers say a space has opened up under one section of a Big Dig tunnel, and they can't fix it. When engineers built the tunnel system, they froze the soil in some places, to keep it ...
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