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Synergetic effects of combined destructive action on concrete

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Author

Summary, in English

The effect of a certain aggressive action is often aggravated if another aggressive action takes place at the same time. Examples of mechanisms with synergy are (i) salt-frost scaling and reinforcement corrosion, (ii) alkali silica reaction (ASR) and internal frost damage, (iii) leaching of lime and internal frost attack, (iv) leaching of lime and reinforcement corrosion, (v) internal frost and leaching, (vi) ASR and leaching. There are also other destruction mechanisms involved in synergy, such as different types of chemical attack. Synergetic effects should be considered in service life calculations of structures to be built. They should also be considered in connection with assessments of the residual service life of existing structures. In the paper some of these synergetic effects and their importance are discussed theoretically. The aim of the paper is merely to indicate the importance of considering synergy and not to treat this in great detail.

Publishing year

2003

Language

English

Pages

349-360

Publication/Series

Role of Cement Science in Sustainable Development - Proceedings of the International Symposium - Celebrating Concrete: People and Practice

Document type

Conference paper

Publisher

Thomas Telford

Topic

  • Materials Engineering

Keywords

  • Synergy
  • Reinforcement corrosion
  • Freeze/thaw damage
  • Salt-frost scaling

Conference name

Role of Cement Science in Sustainable Development - International Symposium Celebrating Concrete: People and Practice

Conference date

2003-09-03 - 2003-09-04

Conference place

Dundee, United Kingdom

Status

Published

ISBN/ISSN/Other

  • ISBN: 0727732463