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PAZDERA, L. TOPOLÁŘ, L. MIKULÁŠEK, K. SMUTNÝ, J. HODULÁKOVÁ, M. CHOBOLA, Z. SEELMANN, H.
Original Title
Flexure response of thermal loaded concrete specimens by acoustic emission method
Type
conference paper
Language
English
Original Abstract
The response to fire of concrete structural members depends on the thermal, mechanical, and deformation properties of concrete. These properties vary significantly with temperature depending on the composition and characteristics of the concrete batch mix as well as heating rate and other environmental conditions. The paper presents the effects of a high temperature on selected physical properties of concrete. The main aim of the article is the evaluation of monitoring concrete properties loaded in a few thermal steps up to 1200 °C. Therefore, the concrete specimens were heated in a programmable laboratory furnace at a heating rate of 5 °C/min. The specimens were loaded at six temperatures, 200 °C, 400 °C, 600 °C, 800 °C, 1000 °C, and 1200 °C maintained for 60 minutes. The acoustic emission activity and some material characteristics were evaluated in a three-point bending test.
Keywords
flexural response, concrete, thermal loading, acoustic emission
Authors
PAZDERA, L.; TOPOLÁŘ, L.; MIKULÁŠEK, K.; SMUTNÝ, J.; HODULÁKOVÁ, M.; CHOBOLA, Z.; SEELMANN, H.
Released
24. 5. 2017
Publisher
EDP Sciences – Web of Conferences
Location
France
ISBN
2261-236X
Periodical
MATEC Web of Conferences
Year of study
107
State
French Republic
Pages from
1
Pages to
7
Pages count
URL
https://www.matec-conferences.org/articles/matecconf/abs/2017/21/matecconf_dyn2017_00040/matecconf_dyn2017_00040.html
Full text in the Digital Library
http://hdl.handle.net/11012/70115
BibTex
@inproceedings{BUT136232, author="Luboš {Pazdera} and Libor {Topolář} and Karel {Mikulášek} and Jaroslav {Smutný} and Michaela {Hoduláková} and Zdeněk {Chobola} and Herbert {Seelmann}", title="Flexure response of thermal loaded concrete specimens by acoustic emission method", booktitle="MATEC Web of Conferences: Dynamics of Civil Engineering and Transport Structures and Wind Engineering – DYN-WIND’2017", year="2017", journal="MATEC Web of Conferences", volume="107", pages="1--7", publisher="EDP Sciences – Web of Conferences", address="France", doi="10.1051/matecconf/201710700040", issn="2261-236X", url="https://www.matec-conferences.org/articles/matecconf/abs/2017/21/matecconf_dyn2017_00040/matecconf_dyn2017_00040.html" }