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Uticaj vrste punioca na korozionu otpornost sumpornog betona

The influence of filler type on the corrosion stability of the sulfur concrete

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2010
170.pdf (505.9Kb)
Authors
Vlahović, Milica
Boljanac, Tamara
Branković, Anđelka
Vidojković, Velislav M.
Martinović, Sanja
Đorđević, Nataša
Article (Published version)
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Abstract
U radu je ispitana koroziona otpornost sumpornog betona u uslovima različitih hemijski agresivnih sredina. Polazne komponente za dobijanje sumpornog betona bile su agregat definisanog sastava, modifikovano sumporno vezivo i različiti punioci (talk, glinica, mikrosilika i elektrofilerski pepeo). Ispitivanje materijala na otpornost u agresivnim sredinama i to u 20% H2SO4, 10% HCl i 3% NaCl na sobnoj temperaturi praćeno je promenom mase i čvrstoće sumpornog betona u trajanju do 360 dana. Rezultati su pokazali da uzorci sumpornog betona sa elektrofilterskim pepelom i talkom imaju bolju korozionu otpornost u kiselim sredinama u odnosu na betone sa glinicom i mikrosilikom. Svi uzorci imaju izuzetnu korozionu otpornost u rastvorima NaCl, pri čemu su najbolji uzorci sa talkom kao puniocem. Radi poređenja, praćena je i otpornost klasičnog portland cementnog betona u istim sredinama.
Sulfur concrete was prepared by using the initial components: sand as an aggregate, modified sulfur binder, and talc, alumina, microsilica, and fly ash as fillers. Portland cement concrete was made from the same aggregate and fillers and portland cement. The durability of the prepared concrete samples was tested in the following aggressive solutions: 10% HCl, 20% H2SO4, and 3% NaCl as a function of time. Changes in mass and strength of the sulfur concrete were monitored periodically during the immersion time of 360 days in above solutions. These changes were used as a measure of deterioration level. It should be highlighted that the samples with the ash and especially talc exhibit higher durability in the solutions of HCl and H2SO4 than the samples with alumina and microsilica. In the solutions of NaCl all samples have shown excellent durability while the samples with talc were the best. Portland cement concrete samples lost 20% of mass after two months and showed degradation of mechan...ical properties. By usage of sulfur for sulfur concrete production, a huge environmental problem regarding storage of waste sulfur from oil refining processes is solved. On the other hand, sulfur concrete with its low price has an excellent quality for the application in aggressive environments unlike the more expensive PCC.

Keywords:
sumporni beton / punioci / otpornost / mehanička čvrstoća / sulfur concrete / mechanical strength / fillers / durability
Source:
Hemijska industrija, 2010, 64, 2, 129-137
Publisher:
  • Savez hemijskih inženjera, Beograd

DOI: 10.2298/HEMIND090918001V

ISSN: 0367-598X

WoS: 000279560000009

Scopus: 2-s2.0-77952925207
[ Google Scholar ]
10
3
URI
https://ritnms.itnms.ac.rs/handle/123456789/173
Collections
  • Radovi istraživača / Researchers’ publications
Institution/Community
Institut za tehnologiju nuklearnih i drugih mineralnih sirovina
TY  - JOUR
AU  - Vlahović, Milica
AU  - Boljanac, Tamara
AU  - Branković, Anđelka
AU  - Vidojković, Velislav M.
AU  - Martinović, Sanja
AU  - Đorđević, Nataša
PY  - 2010
UR  - https://ritnms.itnms.ac.rs/handle/123456789/173
AB  - U radu je ispitana koroziona otpornost sumpornog betona u uslovima različitih hemijski agresivnih sredina. Polazne komponente za dobijanje sumpornog betona bile su agregat definisanog sastava, modifikovano sumporno vezivo i različiti punioci (talk, glinica, mikrosilika i elektrofilerski pepeo). Ispitivanje materijala na otpornost u agresivnim sredinama i to u 20% H2SO4, 10% HCl i 3% NaCl na sobnoj temperaturi praćeno je promenom mase i čvrstoće sumpornog betona u trajanju do 360 dana. Rezultati su pokazali da uzorci sumpornog betona sa elektrofilterskim pepelom i talkom imaju bolju korozionu otpornost u kiselim sredinama u odnosu na betone sa glinicom i mikrosilikom. Svi uzorci imaju izuzetnu korozionu otpornost u rastvorima NaCl, pri čemu su najbolji uzorci sa talkom kao puniocem. Radi poređenja, praćena je i otpornost klasičnog portland cementnog betona u istim sredinama.
AB  - Sulfur concrete was prepared by using the initial components: sand as an aggregate, modified sulfur binder, and talc, alumina, microsilica, and fly ash as fillers. Portland cement concrete was made from the same aggregate and fillers and portland cement. The durability of the prepared concrete samples was tested in the following aggressive solutions: 10% HCl, 20% H2SO4, and 3% NaCl as a function of time. Changes in mass and strength of the sulfur concrete were monitored periodically during the immersion time of 360 days in above solutions. These changes were used as a measure of deterioration level. It should be highlighted that the samples with the ash and especially talc exhibit higher durability in the solutions of HCl and H2SO4 than the samples with alumina and microsilica. In the solutions of NaCl all samples have shown excellent durability while the samples with talc were the best. Portland cement concrete samples lost 20% of mass after two months and showed degradation of mechanical properties. By usage of sulfur for sulfur concrete production, a huge environmental problem regarding storage of waste sulfur from oil refining processes is solved. On the other hand, sulfur concrete with its low price has an excellent quality for the application in aggressive environments unlike the more expensive PCC.
PB  - Savez hemijskih inženjera, Beograd
T2  - Hemijska industrija
T1  - Uticaj vrste punioca na korozionu otpornost sumpornog betona
T1  - The influence of filler type on the corrosion stability of the sulfur concrete
EP  - 137
IS  - 2
SP  - 129
VL  - 64
DO  - 10.2298/HEMIND090918001V
UR  - conv_584
ER  - 
@article{
author = "Vlahović, Milica and Boljanac, Tamara and Branković, Anđelka and Vidojković, Velislav M. and Martinović, Sanja and Đorđević, Nataša",
year = "2010",
abstract = "U radu je ispitana koroziona otpornost sumpornog betona u uslovima različitih hemijski agresivnih sredina. Polazne komponente za dobijanje sumpornog betona bile su agregat definisanog sastava, modifikovano sumporno vezivo i različiti punioci (talk, glinica, mikrosilika i elektrofilerski pepeo). Ispitivanje materijala na otpornost u agresivnim sredinama i to u 20% H2SO4, 10% HCl i 3% NaCl na sobnoj temperaturi praćeno je promenom mase i čvrstoće sumpornog betona u trajanju do 360 dana. Rezultati su pokazali da uzorci sumpornog betona sa elektrofilterskim pepelom i talkom imaju bolju korozionu otpornost u kiselim sredinama u odnosu na betone sa glinicom i mikrosilikom. Svi uzorci imaju izuzetnu korozionu otpornost u rastvorima NaCl, pri čemu su najbolji uzorci sa talkom kao puniocem. Radi poređenja, praćena je i otpornost klasičnog portland cementnog betona u istim sredinama., Sulfur concrete was prepared by using the initial components: sand as an aggregate, modified sulfur binder, and talc, alumina, microsilica, and fly ash as fillers. Portland cement concrete was made from the same aggregate and fillers and portland cement. The durability of the prepared concrete samples was tested in the following aggressive solutions: 10% HCl, 20% H2SO4, and 3% NaCl as a function of time. Changes in mass and strength of the sulfur concrete were monitored periodically during the immersion time of 360 days in above solutions. These changes were used as a measure of deterioration level. It should be highlighted that the samples with the ash and especially talc exhibit higher durability in the solutions of HCl and H2SO4 than the samples with alumina and microsilica. In the solutions of NaCl all samples have shown excellent durability while the samples with talc were the best. Portland cement concrete samples lost 20% of mass after two months and showed degradation of mechanical properties. By usage of sulfur for sulfur concrete production, a huge environmental problem regarding storage of waste sulfur from oil refining processes is solved. On the other hand, sulfur concrete with its low price has an excellent quality for the application in aggressive environments unlike the more expensive PCC.",
publisher = "Savez hemijskih inženjera, Beograd",
journal = "Hemijska industrija",
title = "Uticaj vrste punioca na korozionu otpornost sumpornog betona, The influence of filler type on the corrosion stability of the sulfur concrete",
pages = "137-129",
number = "2",
volume = "64",
doi = "10.2298/HEMIND090918001V",
url = "conv_584"
}
Vlahović, M., Boljanac, T., Branković, A., Vidojković, V. M., Martinović, S.,& Đorđević, N.. (2010). Uticaj vrste punioca na korozionu otpornost sumpornog betona. in Hemijska industrija
Savez hemijskih inženjera, Beograd., 64(2), 129-137.
https://doi.org/10.2298/HEMIND090918001V
conv_584
Vlahović M, Boljanac T, Branković A, Vidojković VM, Martinović S, Đorđević N. Uticaj vrste punioca na korozionu otpornost sumpornog betona. in Hemijska industrija. 2010;64(2):129-137.
doi:10.2298/HEMIND090918001V
conv_584 .
Vlahović, Milica, Boljanac, Tamara, Branković, Anđelka, Vidojković, Velislav M., Martinović, Sanja, Đorđević, Nataša, "Uticaj vrste punioca na korozionu otpornost sumpornog betona" in Hemijska industrija, 64, no. 2 (2010):129-137,
https://doi.org/10.2298/HEMIND090918001V .,
conv_584 .

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