The assessment of the structural changes of fine-grained cement-based composites in the early-age using acoustic testing

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26110%2F19%3APU132421" target="_blank" >RIV/00216305:26110/19:PU132421 - isvavai.cz</a>

Výsledek na webu

<a href="https://akademiai.com/doi/abs/10.1556/1848.2019.0004" target="_blank" >https://akademiai.com/doi/abs/10.1556/1848.2019.0004</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1556/1848.2019.0004" target="_blank" >10.1556/1848.2019.0004</a>

Jazyk výsledku

angličtina

Název v původním jazyce

The assessment of the structural changes of fine-grained cement-based composites in the early-age using acoustic testing

Popis výsledku v původním jazyce

The paper deals with the monitoring of the structural changes of fine-grained cement-based composites in the early-age using acoustic emission method. After mixing, the cement-based materials exhibit continuous time-dependent structural changes which lead to the changes in the mechanical properties due to the chemical and physical processes. The events which are emitted due to the internal structure formation were detected using the acoustic emission techniques. A number of AE events are released due to the formation of new crystalline phases and due to microcracking in the material structure during the setting and hardening. The aim of the performed experiments was to extend the knowledge in the field of the early-age material characteristics and in the field of the internal structure formation of the cement-based materials. The results from temperature measurement show that mixture with microsilica has more slowly raised the internal temperature than mixture without microsilica. The results from acoustic emission measurement show that mixture with microsilica has lower activity of acoustic emission than mixture without microsilica during first six hours from measurement start.

Název v anglickém jazyce

The assessment of the structural changes of fine-grained cement-based composites in the early-age using acoustic testing

Popis výsledku anglicky

The paper deals with the monitoring of the structural changes of fine-grained cement-based composites in the early-age using acoustic emission method. After mixing, the cement-based materials exhibit continuous time-dependent structural changes which lead to the changes in the mechanical properties due to the chemical and physical processes. The events which are emitted due to the internal structure formation were detected using the acoustic emission techniques. A number of AE events are released due to the formation of new crystalline phases and due to microcracking in the material structure during the setting and hardening. The aim of the performed experiments was to extend the knowledge in the field of the early-age material characteristics and in the field of the internal structure formation of the cement-based materials. The results from temperature measurement show that mixture with microsilica has more slowly raised the internal temperature than mixture without microsilica. The results from acoustic emission measurement show that mixture with microsilica has lower activity of acoustic emission than mixture without microsilica during first six hours from measurement start.

Druh

J_SC - Článek v periodiku v databázi SCOPUS

CEP obor

—

OECD FORD obor

20101 - Civil engineering

Projekt

—

Návaznosti

S - Specificky vyzkum na vysokych skolach

Rok uplatnění

2019

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

International Review of Applied Sciences and Engineering

ISSN

2063-4269

e-ISSN

—

Svazek periodika

10

Číslo periodika v rámci svazku

1

Stát vydavatele periodika

HU - Maďarsko

Počet stran výsledku

6

Strana od-do

23-28

Kód UT WoS článku

—

EID výsledku v databázi Scopus

2-s2.0-85068913993