The shoe attached to the front of the steel beam vibrates at just ½ to ¾ of an inch in amplitude, so only the concrete is broken. A Caterpillar C15 diesel engine drives Sauer pumps through a Rexroth ...
KNOXVILLE, Tenn. — Progress on the eastbound side of the I-640 Reconstruction Project has been slowed by engineers, according to the Tennessee Department of Transportation. Unexpected changes in the ...