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Technical Report 22 Non-structural cracks in concrete. 3rd edition

Publication Year

1992

Document Status

Withdrawn

Abstract

Explains the principles governing the formation of cracks in concrete and defines the various types of non-structural crack which may occur. The factors which govern these cracks are described so that diagnoses may be made and procedures for control suggested. Plastic, early thermal and long-term drying shrinkage cracks are dealt with in detail and cracks due to crazing, corrosion of reinforcement and alkali-silica reaction are also described. The significance of cracks is discussed and the common practice of judging cracks on their surface width is generally deprecated. It is concluded that, while intrinsic cracks are sometimes unpredictable, they can often be minimised and controlled by careful attention to design details and construction techniques. Finally the report describes some of the materials and methods that may be used for remedial work.

Document History

Replaced by 4th edition, 2010.

Publisher Information

Concrete Society

For more than 30 years, The Concrete Society has been publishing technical reports and advice notes to serve the needs of clients, architects, engineers, specifiers, suppliers, contractors and users of concrete.

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