Title:
Setenave Dry Docks Rehabilitation
Author(s):
Ivan R. De Almeida, Thomas J. R. B. Cordiero, and Jose Paulo V. M. Costa
Publication:
Concrete International
Volume:
18
Issue:
3
Appears on pages(s):
30-33
Keywords:
concrete durability; corrosion; marine atmospheres; quality control; shotcrete, silica fume; Construction
DOI:
Date:
3/1/1996
Abstract:
Rehabilitation of the walls of a shipyard was carried out, to overcome the reinforcement corrosion of 25,000 m 2 of concrete cover. Degradation was caused by chlorides which penetrated up to the reinforcing bars, owing to the extraordinary permeability of the existing concrete. Reconstitution was done with 2500 m 3 of CSF-added shotcrete. There was intensive follow-up of all execution, including control of the concrete applied. A very technically accurate and economically profitable result was achieved, and the overall quality of the service was considered very good.