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Home > Publications > International Concrete Abstracts Portal
The International Concrete Abstracts Portal is an ACI led collaboration with leading technical organizations from within the international concrete industry and offers the most comprehensive collection of published concrete abstracts.
Title: Carbonation-Induced Corrosion in Buildings Under Tropical Environments
Author(s): E.I. Moreno and R. Solis-Carcano
Publication: Special Publication
Appears on pages(s): 195-206
Keywords: buildings; carbonation; compressive strength; concrete; corrosion; durability; inspection
Abstract:During the 70’s and 80’s, University buildings in southern Mexico were made using 20 MPa compressive strength concrete, based only on strength criteria, thus, using a very high water to cement ratio. Nowadays, some of those buildings are showing problems associated with concrete durability. In this work, two concrete buildings from the College of Economy were evaluated. The College is located in an urban zone 40 km away from the coast in a region with a hot sub humid climate. Visual inspection showed concrete cracks and delaminations. Results from the evaluation showed that steel corrosion was damaging the structure, the measured carbonation front was already beyond the concrete cover, and the superficial hardness tests suggested that low quality concrete was the main cause of the problem.
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