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Delayed ettringite formation in massive concrete structures: an account of some studies of degraded bridges



Title: Delayed ettringite formation in massive concrete structures: an account of some studies of degraded bridges
Author(s): E. Menéndez
Paper category : conference
Book title: International RILEM Workshop on Internal Sulfate Attack and Delayed Ettringite Formation
Editor(s): K. Scrivener and J. Skalny
Print-ISBN: 2-912143-44-6
e-ISBN: 2912143802
Publisher: RILEM Publications SARL
Publication year: 2004
Pages: 127 - 136
Total Pages: 10
Nb references: 10
Language: English


Abstract: Many concrete structures in Spain are at risk of being subjected to external sulphate attack due to high level of sulphates present in soils and in ground water. On the other hand, some of the existing structures show signs of expansion caused by alkali-silica reaction (ASR). In certain cases these structures also contain ettringite, but usually it is not possible to authoritatively state which of the two processes (ASR of ettringite formation) initiated the deterioration. To the author's knowledge, to date only one case of internal sulphate attack has been encountered in a field concrete in Spain.


Online publication: 2002-09-07
Publication type : full_text
Public price (Euros): 0.00
doi: 10.1617/2912143802.008