Sulphate Resistance of Boron Active Belite Cement Concrete
- 11 November 2019
- journal article
- Published by ACADEMY Saglik Hiz. Muh. Ins. Taah. Elekt. Yay. Tic. Ltd. Sti.
- Vol. 1 (1), 11-15
- https://doi.org/10.36937/cebacom.2020.001.003
Abstract
The sulphate resistance of variable concretes, including Boron active belite cement (BABC), CEM I 42.5 R and CEM II 32.5 B-S cements, were determined in the present study. The compressive strength, ultrasonic velocity, Schmidt, and unit weight tests were applied to steam cured and water cured samples. Three Na2SO4 solutions of %5, %10 and %20 were prepared for each type of concrete except for the control group and the samples were exposed to the effect of sulphate solutions for 24 weeks. As a result, weight increase was determined in CEM I 42.5 R cement samples the least, and in BAB cement samples the most. As expected, pronounced chemical effect was not observed in samples of cement CEM II.32.5 B-S. On the other hand, while decreases or slight increases were observed in the ultrasound measurements of CEM I 42.5 R cement samples after sulphate test, critical increases were observed in BAB and CEM II 32.5 B-S cement samples. Under sulphate effect, water and steam cures had explicit effects on pressure resistances.Keywords
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