pneumatically applied concrete


Concrete or mortar which is pumped through a hose and projected at high velocity onto a surface.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
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(WPC), took exception to the prohibition against pneumatically applied concrete. It argued that shotcrete was more reliable and structurally equal to cast-in-place concrete and resisted cracking the same as any other method.
"Certain floors had to have pneumatically applied concrete, shotcrete applied to the underneath side of the floor to strengthen [the floors] to bring them up to the right seismic design," he says.
Acceptable options include trowel-applied specialty concretes or mortars, pneumatically applied concrete (shot-crete), cast-in-place concrete, and pre-placed aggregate concretes.