Resistance of Surface Layers of Concrete against Aggressive Environment

Radka Pernicová; Daniel Dobiáš

doi:10.4028/www.scientific.net/KEM.722.44

Paper Titles

Numerical Analysis of Effect of Cyclic Thermal Load on Concrete to Concrete Bonding
p.18

Long-Term Mechanical Properties of Fiber Reinforced Polymer Bars Exposed to Alkali Environment: Experimental Investigation
p.27

Lightweight Concrete with Different Content of PP Fibers Exposed to High Temperature
p.33

Performance of Dosage of Ceramic Chopped Fibers in Aluminous Cement-Based Composites after Exposure to High Temperatures
p.38

Resistance of Surface Layers of Concrete against Aggressive Environment
p.44

Residual Mechanical Properties of Hybrid Fiber Reinforced HPC Exposed to High Temperatures
p.52

The Issue of Underground Depositing of High Radioactive Waste
p.59

Durability of Two Types of HPC at Sulphate Solution Environment
p.66

Assessment of Concrete Quality of Load-Bearing Structure of the Bridge across Otava River No. 121-006 near Zvikov after Fifty Years of Operation in Severe Environmental Conditions
p.72

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Resistance of Surface Layers of Concrete against Aggressive Environment

Abstract:

The article deals with the corrosive effects of acids on the selected surface layers of concrete with/ without an epoxy coating. Concrete sample was placed in extreme environments, which represented the 40% sulphuric acid solution. In addition to measuring surface degradation of concrete, this work focused on the depth of acid penetration into the sample. It can be concluded that the long-term effects of aggressive environments severely degrades the concrete surface on the samples causing corrosion of Type II.