road breaker

concrete breaker

A compressed-air tool for breaking up concrete.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
References in periodicals archive ?
Similarly, there is a specification to construct road breakers, but one can see varieties of road jumps which cause hardships to motorists.
The finalists include a green waste shredder, a concrete crusher, a dust control device for road breakers, a portable toilet with an integral waste management system, a low-emissions welding machine, cleanburning petrol engines, solarpowered site lighting and environmentally friendly traffic lights.