The effect of diffusive permeability on the corrosion resistance of polymer concrete

Authors

  • N. I. Gannik Ph. D., Assos.prof., Ukraine
  • P. I. Nesevrya Ph. D., Assos.prof., Ukraine
  • R. B. Papirnyk Ph. D., Assos.prof., Ukraine
  • O. P. Martish Ph. D., Assos.prof., Ukraine

Keywords:

corrosion, polymer concrete, brick, diffusion permeability, crushed stone, corrosive medium

Abstract

Annotation. Purpose. Investigation of the diffusion permeability effect on the corrosion resistance of polymer concrete. Methodology. As a material we've chosen furan polymer concrete based on the monomer FA and FAM. In our studies, we determined the kinetics and values of the diffusion penetration of a sulphuric acid solution (in the range of 5-30%) and water into cured unfilled binders, polymer mastics and polymer concrete. The diffusion coefficient was determined on sample disks for unfilled binders and polymer mastics d = 50 mm, thickness 3-5 mm; for polymer concrete d = 150 mm, thickness 20-40 mm. Before putting the samples into aggressive media, they were weighed accurate to within 0.01 g. After 3,7,14,21 days, 1,3,6,9,12 months, samples were taken out of corrosive media, washed with distilled water, drained with a filter paper and weighed. Weighing was carried out until the samples reached a constant mass value. Results. With increasing aggressive media concentration the time of its penetration into the polymer concrete increases. Water in terms of diffusion is more active liquid in comparison with acid solutions. The permeability of polymer-tones on rubble from the battle of acid-resistant brick is less than that of polymer concrete on granite crushed stone. The diffusion coefficient of polymer concrete is higher than the diffusion coefficient of polymer mastics, and the diffusion coefficient of samples on modified furan resins is lower than on the monomer FA. Scientific novelty and practical significance. The combination of FA and FAM monomers with cheaper and more accessible polymers is one of the ways to expand the raw material base for the binders production and reduce the cost of polymer concrete. In this case the combination of furan resins with the waste of by-product coking - acidic tar (waste products from the distilleries of crude benzene) is promising.

Author Biographies

N. I. Gannik, Ph. D., Assos.prof.

Department of Building Technology, State Higher Educational Institution "Pridneprovska State Academy of Civil Engineering and Architecture", Chernyshevsky str., 24-a, 49600, Dnipro, Ukraine, tel. +38 (0652) 47-02-98

P. I. Nesevrya, Ph. D., Assos.prof.

Department of Building Technology, State Higher Educational Institution "Pridneprovska State Academy of Civil Engineering and Architecture", Chernyshevsky str., 24-a, 49600, Dnipro, Ukraine, tel. +38 (0652) 47-02-98

R. B. Papirnyk, Ph. D., Assos.prof.

Department of Building Technology, State Higher Educational Institution "Pridneprovska State Academy of Civil Engineering and Architecture", Chernyshevsky str., 24-a, 49600, Dnipro, Ukraine, tel. +38 (0652) 47-37-80

O. P. Martish, Ph. D., Assos.prof.

Department of Building Technology, State Higher Educational Institution "Pridneprovska State Academy of Civil Engineering and Architecture", Chernyshevsky str., 24-a, 49600, Dnipro, Ukraine, tel. +38 (0652) 47-02-98

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Published

2017-04-27

Issue

Section

Energy, ecology, computer technology in construction