Alkali-silica reactions (ASR): literature review on parameters influencing laboratory performance testing
By J. Lindgård, Özge Andiç-Çakır, I. Fernandes, Terje F. Rønning, M. Thomas. 2012
321 citations recorded by the source corpus.
Abstract Utilisation of potentially alkali–silica reactive aggregates requires reliable performance tests to evaluate the alkali–silica reactivity of various aggregate combinations, including their alkali threshold dependence on binder type. Several such performance tests have been used worldwide for more than 15 years, but none of the methods have proven to be reliable for use with all aggregate types and all binders. One of the objectives of RILEM TC 219-ACS (2007–2012) is to develop and validate one or more of such performance tests. Several parameters may influence the results obtained in an accelerated performance test compared to the field behaviour. Based on a state of the art literature review, this paper discusses which parameters must be considered to be able to develop reliable ASR performance testing methods and provides some tentative recommendations. The internal humidity in the test specimens, the extent of alkali leaching and the storage temperature are of particular importance.
Subfields: Building and Construction, Civil and Structural Engineering, Materials Chemistry
View Paper: https://www.semanticscholar.org/paper/759ea0cfece2c6425b093e715c03f30dc36d6801
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Citations in the corpus
- Alkali-silica reaction: Current understanding of the reaction mechanisms and the knowledge gaps (2015, methodology): “edu (b) developing rapid and reliable test methods to identify reactive minerals and aggregates [19–21], (c) predicting the long-term performance of concrete mixtures in service [22–24], and (d) proposing and evaluating effective methods to mitigate ASR in new or existing struc-”