Corroded reinforced concrete structures: effects of high corrosion and corroded stirrups
Paper in proceedings, 2011

The influences of severe corrosion leading to extensive cover cracking and of corrosion of stirrups on the bond of corroded bars were studied through pull-out tests and detailed non-linear finite element analyses. The tests showed that when wide cracks develop, the favourable effect of rust flowing through cracks becomes significant. This considerably decreases the splitting stress and, consequently, the damage to the surrounding concrete. A previously developed corrosion model was extended to include this phenomenon and used in detailed three-dimensional analyses of the test specimens. The results indicated the favourable effect of rust flowing through cracks and also the important role of stirrups after cover cracking.

stirrup

corrosion

bond

finite element analysis

pull-out test

Author

Kamyab Zandi

Chalmers, Civil and Environmental Engineering, Structural Engineering

Karin Lundgren

Chalmers, Civil and Environmental Engineering, Structural Engineering

Mario Plos

Chalmers, Civil and Environmental Engineering, Structural Engineering

Kent Gylltoft

Chalmers, Civil and Environmental Engineering, Structural Engineering

Nordic Concrete Research

0800-6377 (ISSN)

43 179-182

Driving Forces

Sustainable development

Areas of Advance

Building Futures (2010-2018)

Materials Science

Subject Categories

Civil Engineering

ISBN

978-82-8208-025-5

More information

Created

10/7/2017