Sulphate Resistance of Boron Active Belite Cement Concrete

Sulphate Resistance of Boron Active Belite Cement Concrete

Cement Based Composites (CEBACOM)
Volume 1 - Issue 1 - April 2020

Abdulkadir Cuneyt AYDIN Abdulkadir KAN Fuat CANDAN Ulviye Gulsum Hasiloglu ARAS Ali ÖZ

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

Concrete, Boron Modified Active Belite Cement, sulphate effect
https://doi.org/10.36937/cebacom.2020.001.003