Abstract
Acidic attack represents a topic of increasing significance, owing to the spread of damages of concrete structures in both urban and industrial areas. Cement type is an important factor affecting performance of cement based materials in an aggressive environment. The goal of this study was to compare the acid resistance of a pozzolanic cement (CEM IV-A/32·5) with Portland cement (CEM I 32·5) that was made from the same clinker. For this purpose, 50mm mortar cubes were prepared with two different kinds of cement according to TS EN 196-1. After 28 days of hardening, the samples were immersed into four different concentrations of hydrochloric, nitric and sulfuric acid solutions for a period of 120 days. The changes in weight loss and compressive strength values for each acid solution within the test period were recorded. The acid resistance of mortars made from Portland cement was better than the pozzolanic cement incorporated samples after 120 days of acid attack.
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Türkel, S., Felekoǧlu, B. & Dulluç, S. Influence of various acids on the physico-mechanical properties of pozzolanic cement mortars. Sadhana 32, 683–691 (2007). https://doi.org/10.1007/s12046-007-0048-0
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DOI: https://doi.org/10.1007/s12046-007-0048-0