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Design for chloride contaminated harsh environments : concrete protection-the key to durable service life
Source
The Arabian Journal for Science and Engineering. Section C, Theme issues
Issue
Vol. 23, Issue 2C (31 Dec. 1998), pp.3-40, 38 p.
Publisher
King Fahd University of Petroleum and Minerals
Publication Date
1998-12-31
Country of Publication
Saudi Arabia
No. of Pages
38
Main Subjects
Abstract EN
Experience in the last forty to fifty years shows that current design specifications, even if properly implemented, do not provide for adequate resistance of portland cement concrete to aggressive environments.
Premature deterioration of concrete structures is still unacceptably high, and corrosion of reinforcement continues to represent the single largest cause of deterioration of reinforced concrete structures.
In chloride contaminated hot/dry/ humid conditions, the time-dependent and interactive effects of exposure and climatic conditions initiate a cumulative deterioration mechanism which becomes an overall synergistic process, and a complex combination of many individual mechanisms, the exact role, effect and contribution of each of which to the totality of damage is not fully known.
This paper advances an integrated, holistic approach — a global design/management strategy — which will enable us to design new structures with a specified, cost-effective durable service life when exposed to such aggressive environments.
It is shown that in chloride environments, and rapidly drying ambient conditions, protection of the young concrete from external contamination is the first — but not necessarily the only one — reliable and positive step, to ensure long-term material stability and structural integrity of concrete structures.
Extensive data are presented to show that it is possible to develop concrete surface coatings which can provide long-term durable performance in terms of water-proofing qualities, adequate vapor diffusion, breathability, excellent bond to the concrete substrate, very low permeability to chlorides, moisture and carbonation under extreme exposure conditions, and also maintain the ability to bridge cracks.
American Psychological Association (APA)
Swamy, R. N.. 1998. Design for chloride contaminated harsh environments : concrete protection-the key to durable service life. The Arabian Journal for Science and Engineering. Section C, Theme issues،Vol. 23, no. 2C, pp.3-40.
https://search.emarefa.net/detail/BIM-389873
Modern Language Association (MLA)
Swamy, R. N.. Design for chloride contaminated harsh environments : concrete protection-the key to durable service life. The Arabian Journal for Science and Engineering. Section C, Theme issues Vol. 23, no. 2C (Dec. 1998), pp.3-40.
https://search.emarefa.net/detail/BIM-389873
American Medical Association (AMA)
Swamy, R. N.. Design for chloride contaminated harsh environments : concrete protection-the key to durable service life. The Arabian Journal for Science and Engineering. Section C, Theme issues. 1998. Vol. 23, no. 2C, pp.3-40.
https://search.emarefa.net/detail/BIM-389873
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references : p. 38-40
Record ID
BIM-389873