Effect of class F fly ash on the durability properties of concrete
By A. Saha. 2018
338 citations recorded by the source corpus.
Abstract The present study evaluates the application of class F fly ash as a partial replacement of binder in concrete. The compressive strength of the fly ash samples showed low early compressive strength comparing to the control samples. However, due to pozzolanic reaction strength was improved gradually over a longer period of time, whereas control samples stopped the strength growth after 56-d of curing. The drying shrinkage was reduced with the increment of fly ash content in the mix. The inclusion of fly ash as a binder reduced the porosity of the concrete. As a result, the fly ash concrete exhibited lower water sorptivity and chloride permeability. Furthermore, a significant drop of sorptivity and chloride permeability was observed for fly ash concrete between the curing period of 28–180 days. Microstructural morphology of fly ash samples was investigated to evaluate the reason behind the improved durability characteristics.
Subfields: Building and Construction, Civil and Structural Engineering, Materials Chemistry
View Paper: https://www.semanticscholar.org/paper/0e9d154b25cb8c9596ac199a6a1a8b2365c0fbd0
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In Building and Construction
In Civil and Structural Engineering
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Citations in the corpus
- Optimal design for epoxy polymer concrete based on mechanical properties and durability aspects (2020, background): “6 ash is added to improve the performance of epoxy concrete by resisting ultraviolet radiation 174 and reducing the permeability of water and aggressive chemicals due to the fact that spherical 175 and smooth surface of fly ash can reduce the average pore size [1, 22, 23].”