Shotcrete is widely used for reinstatement of damaged structures such as concrete deteriorated by corrosion or spalling. Shotcrete is well suited to this application because of the superior bond that is achievable between sprayed concrete and the substrate compared to casting. Shotcrete can also be applied in small amounts to local areas of damage without the need for form work. In the hands of a good craftsman, the surface can be finished to resemble the original surface more readily than is possible using other processes of repair.

Shotcrete can also be utilized to enlarge structural elements thereby adding structural capacity.

Another common function of the shotcrete process is the application of fire proofing material to enhance the resistance of a structural system to fire. This typically involves special mixtures containing vermiculite or perlite aggregate.

LINK: Concrete Institute of Australia - Shotcreting in Australia