Estimation of the service life of concrete under different conditions with special reference to radioactive waste repositories

Sven Pihlajavaara (Corresponding Author)

Research output: Contribution to journalArticleScientificpeer-review

2 Citations (Scopus)

Abstract

A service life estimation system based on the deteriorated surface layer for 30–100 MPa concretes is briefly presented. Generally, the service life of concretes ranges from ten to one million years depending on the environment, strength and allowed deterioration of concrete. The analysis of archaeological and modern data, along with deterioration models, creates practical possibilities for the reasonable estimation of the long-term durability of concrete. Only poor design and planning, low grade concrete, and unrealistic or no long-term application objectives can lead to a miserably short service life of concrete structures.

The great decrease in permeability of concrete over several decades, as the strength increases, creates a great growth in service life. If, in addition, the environmental strains diminish (e.g. no freeze-thaw effect, relatively permanent conditions), the service life increases still further. Concrete structures in repositories have still the additional benefit of often being relatively massive, which allows for surface layer damage. Therefore, the anticipated service life of good, strong concrete in repository applications is high.
Original languageEnglish
Pages (from-to)127-133
Number of pages6
JournalNuclear Engineering and Design
Volume138
Issue number2
DOIs
Publication statusPublished - 1992
MoE publication typeA1 Journal article-refereed

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Radioactive Waste
service life
radioactive wastes
Radioactive wastes
repository
Service life
radioactive waste
Concretes
concrete structures
concrete structure
deterioration
Concrete construction
Deterioration
surface layer
surface layers
services
durability
planning
grade
permeability

Cite this

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title = "Estimation of the service life of concrete under different conditions with special reference to radioactive waste repositories",
abstract = "A service life estimation system based on the deteriorated surface layer for 30–100 MPa concretes is briefly presented. Generally, the service life of concretes ranges from ten to one million years depending on the environment, strength and allowed deterioration of concrete. The analysis of archaeological and modern data, along with deterioration models, creates practical possibilities for the reasonable estimation of the long-term durability of concrete. Only poor design and planning, low grade concrete, and unrealistic or no long-term application objectives can lead to a miserably short service life of concrete structures.The great decrease in permeability of concrete over several decades, as the strength increases, creates a great growth in service life. If, in addition, the environmental strains diminish (e.g. no freeze-thaw effect, relatively permanent conditions), the service life increases still further. Concrete structures in repositories have still the additional benefit of often being relatively massive, which allows for surface layer damage. Therefore, the anticipated service life of good, strong concrete in repository applications is high.",
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Estimation of the service life of concrete under different conditions with special reference to radioactive waste repositories. / Pihlajavaara, Sven (Corresponding Author).

In: Nuclear Engineering and Design, Vol. 138, No. 2, 1992, p. 127-133.

Research output: Contribution to journalArticleScientificpeer-review

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AB - A service life estimation system based on the deteriorated surface layer for 30–100 MPa concretes is briefly presented. Generally, the service life of concretes ranges from ten to one million years depending on the environment, strength and allowed deterioration of concrete. The analysis of archaeological and modern data, along with deterioration models, creates practical possibilities for the reasonable estimation of the long-term durability of concrete. Only poor design and planning, low grade concrete, and unrealistic or no long-term application objectives can lead to a miserably short service life of concrete structures.The great decrease in permeability of concrete over several decades, as the strength increases, creates a great growth in service life. If, in addition, the environmental strains diminish (e.g. no freeze-thaw effect, relatively permanent conditions), the service life increases still further. Concrete structures in repositories have still the additional benefit of often being relatively massive, which allows for surface layer damage. Therefore, the anticipated service life of good, strong concrete in repository applications is high.

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