Detail publikace

Exposure of Mortars Modified with Rubber Aggregates and Polymer Admixtures to Acid Environments and Elevated Temperature Conditions

TUPÝ, M. SOTIRIADIS, K. KUSÁK, I. LUŇÁK, M. ŠTEFKOVÁ, D. PETRÁNEK, V.

Originální název

Exposure of Mortars Modified with Rubber Aggregates and Polymer Admixtures to Acid Environments and Elevated Temperature Conditions

Typ

článek v časopise ve Web of Science, Jimp

Jazyk

angličtina

Originální abstrakt

The aim of the present paper was to study the effect of incorporating rubber aggregates and acrylic or EVA polymers on the properties of cement mortar exposed to acid (HCl, H2SO4, HNO3) and elevated temperature conditions. Compressive and bending strength tests, water absorption test, mass measurements, and visual inspection were performed. Impact-echo and impedance spectroscopy methods were used to investigate the effect of heat exposure. The use of rubber aggregates led to reduction of strength values and water absorption. The use of polymeric admixtures further decreased water absorption and inhibited compressive strength loss and delayed mass loss when the specimens were stored in acid solutions. The acoustic and electric measurements showed that the use of rubber aggregates or both rubber aggregates and polymers led to reduction of absorption frequency or relative permittivity, respectively. The drop of frequencies was attributed to the formation of microcracks, as well as to decomposition and brittleness of rubber aggregates and polymers. The elevated temperatures resulted in permittivity reduction. The final stage observed after heating at 400°C was the carbonization of the used polymers.

Klíčová slova

Mortar, Rubber aggregate, Acrylic polymer, EVA polymer, Acid attack, Heat exposure

Autoři

TUPÝ, M.; SOTIRIADIS, K.; KUSÁK, I.; LUŇÁK, M.; ŠTEFKOVÁ, D.; PETRÁNEK, V.

Rok RIV

2015

Vydáno

19. 10. 2015

Nakladatel

American Society of Civil Engineers (ASCE)

Místo

United States

ISSN

0899-1561

Periodikum

JOURNAL OF MATERIALS IN CIVIL ENGINEERING

Ročník

2015

Číslo

1

Stát

Spojené státy americké

Strany od

91

Strany do

99

Strany počet

8

URL

http://ascelibrary.org/doi/abs/10.1061/%28ASCE%29MT.1943-5533.0001433

BibTex

@article{BUT117729,
  author="Michael {Tupý} and Konstantinos {Sotiriadis} and Ivo {Kusák} and Miroslav {Luňák} and Daniela {Kysilková} and Vít {Petránek}",
  title="Exposure of Mortars Modified with Rubber Aggregates and Polymer Admixtures to Acid Environments and Elevated Temperature Conditions",
  journal="JOURNAL OF MATERIALS IN CIVIL ENGINEERING",
  year="2015",
  volume="2015",
  number="1",
  pages="91--99",
  doi="10.1061/(ASCE)MT.1943-5533.0001433",
  issn="0899-1561",
  url="http://ascelibrary.org/doi/abs/10.1061/%28ASCE%29MT.1943-5533.0001433"
}