Study on the suppression effect of natural zeolite on expansion of concrete due to alkali-aggregate reaction
β Scribed by Hongwei, Jia; Naiqian, Feng; Enyi, Chen
- Book ID
- 120350178
- Publisher
- Thomas Telford
- Year
- 1998
- Tongue
- English
- Weight
- 449 KB
- Volume
- 50
- Category
- Article
- ISSN
- 0024-9831
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The use of superplasticizers (SP) is widespread in today's concrete production. Usually, SP are used when specific demands in regard to workability, strength or durability have to be met. As they contain sodium sulphate, they have the potential to increase the alkalinity in the pore solution and the
A non-reactive and several reactive aggregates were used in concrete specimens with and without two fly ashes (varying in total alkali content) at binder (cement + fly ash) alkali levels ranging from 0.46 to 2.5% and a binder content of 500 kg/m3 and fly ash/binder ratio of 0.25. The specimens were