Re: October 17, 2014 La Selva Bridge Reconstruction Update – First Concrete Pour
Author: Rich Hunn
Date: 10-19-2014 - 12:08
Amen to that, concrete is pumped via a pair of reciprocating hydraulically operated cylinders (aka
pistons) which produce a very defined "pulse" in the pump output, can be a @#$%& to handle over a
long pour.