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BROŽOVSKÝ, J.
Original Title
Ultrasonic pulse method-influence of internal compressive stress on results of testing calcium silicate bricks
Type
conference paper
Language
English
Original Abstract
Measuring with ultrasonic pulse method is influenced by various factors, like loading in particular inner tension when material built in a construction is tested. The paper researches influence of inner tension (load) on testing of calcium silicate bricks with ultrasonic pulse method. Calcium silicate bricks were loaded with force corresponding to 0 % (unloaded test specimens), 10 %, 20 %, 50 %, 60 % of ultimate compressive strength with various content of humidity (dried samples, w=2 %, w=8 % and samples saturated with water). It was found that ultrasonic pulse velocity is not considerably influenced at load of 10% and 20% of ultimate strength of bricks. However, ultrasonic pulse velocity considerably decreases after loading at 50% and 60% of ultimate compressive strength. Most of theo-retical assumptions concerning mentioned concrete stated in technical literature were confirmed, however, particular values were different because of differences between concrete and calcium silicate bricks.
Keywords
ultrasonic pulse method, calcium silicate brick, internal stress, ultrasonic pulse velocity, dynamic Young's modulus of elasticity
Authors
Released
13. 10. 2016
Publisher
Trans Tech Publications Ltd
Location
Švýcarsko
ISBN
978-3-0357-1079-3
Book
Special Concrete and Composites 2016
Edition
1
Edition number
702
1013-9826
Periodical
Key Engineering Materials (print)
Year of study
722
Number
State
Swiss Confederation
Pages from
260
Pages to
266
Pages count
7
URL
https://www.scientific.net/KEM.722.260
BibTex
@inproceedings{BUT129755, author="Jiří {Brožovský}", title="Ultrasonic pulse method-influence of internal compressive stress on results of testing calcium silicate bricks", booktitle="Special Concrete and Composites 2016", year="2016", series="1", journal="Key Engineering Materials (print)", volume="722", number="1", pages="260--266", publisher="Trans Tech Publications Ltd", address="Švýcarsko", doi="10.4028/www.scientific.net/KEM.722.260", isbn="978-3-0357-1079-3", issn="1013-9826", url="https://www.scientific.net/KEM.722.260" }