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Thermal Properties of Calcium Sulphoaluminate Cement as an Alternative to Ordinary Portland Cement

Małgorzata Gołaszewska1, Barbara Klemczak1, Jacek Gołaszewski1

  • 1Faculty of Civil Engineering, Silesian University of Technology, Akademicka 5, 44-100 Gliwice, Poland.

Materials (Basel, Switzerland)
|November 27, 2021
PubMed

Keywords:
CSA cementPortland cementapparent activation energyhydration heatisothermal heat flow

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Portland cement comes in several types, each with distinct properties and applications based on their chemical composition and hydration characteristics:
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Portland blast-furnace cement is made by blending Portland cement clinker with granulated blast-furnace slag, which accounts for 25 to 65 percent of the cement's weight. Despite its similarities to ordinary Portland (Type I) cement in terms of fineness and setting times, its early strength is lower, though it achieves comparable strength later on. It's particularly suited for mass concrete structures and marine environments due to its lower heat of hydration and superior sulfate...
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Sulfate attack on concrete is a deterioration process characterized by a whitish discoloration beginning at the edges and corners, accompanied by cracking and spalling. This phenomenon occurs when sulfates react with the components of hardened concrete, forming compounds like calcium sulfate and calcium sulfoaluminate which occupy more space than the substances they replace, causing the concrete to expand and disrupt.
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