Publication detail

The influence of aggregate grain size on the parameters of acoustic emission signals obtained from a three-point bending test on concrete specimens degraded by high-temperatures

TOPOLÁŘ, L. KEPRDOVÁ, Š. PAZDERA, L.

Original Title

The influence of aggregate grain size on the parameters of acoustic emission signals obtained from a three-point bending test on concrete specimens degraded by high-temperatures

Type

abstract

Language

English

Original Abstract

This paper presents the measurement results of a three-point bending test on three different mixtures of concrete specimens that have been exposed to high temperatures. The concrete specimens were heated in a programmable laboratory oven at a heating rate of 5 °C/min and were exposed to the following temperatures: 400 °C, 600 °C, 800 °C, 1000 °C and 1200 °C. The heating was maintained for 60 minutes. The obtained results indicate that the comparison of the absolute measured values is not sufficient. For this reason, the comparison of the individual mixtures is carried out using the relative values, which more clearly demonstrate the degree of damage to the concrete samples caused by exposure to elevated temperatures.

Keywords

Acoustic emission method; three-point bending test; concrete; high-temperature

Authors

TOPOLÁŘ, L.; KEPRDOVÁ, Š.; PAZDERA, L.

Released

26. 8. 2018

Publisher

Society for Structural Integrity and Life

Location

Beograd

ISBN

978-86-900696-0-9

Book

Book of abstracts of 22nd European Conference on Fracture

Pages from

318

Pages to

318

Pages count

1

BibTex

@misc{BUT151211,
  author="Libor {Topolář} and Šárka {Keprdová} and Luboš {Pazdera}",
  title="The influence of aggregate grain size on the parameters of acoustic emission signals obtained from a three-point bending test on concrete specimens degraded by high-temperatures
",
  booktitle="Book of abstracts of 22nd European Conference on Fracture",
  year="2018",
  pages="318--318",
  publisher="Society for Structural Integrity and Life",
  address="Beograd",
  isbn="978-86-900696-0-9",
  note="abstract"
}