Effect of hydration retarder on mechanical and acoustic properties of foam concrete

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21110%2F23%3A00366490" target="_blank" >RIV/68407700:21110/23:00366490 - isvavai.cz</a>

Výsledek na webu

<a href="https://doi.org/10.1016/j.matpr.2023.05.268" target="_blank" >https://doi.org/10.1016/j.matpr.2023.05.268</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1016/j.matpr.2023.05.268" target="_blank" >10.1016/j.matpr.2023.05.268</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Effect of hydration retarder on mechanical and acoustic properties of foam concrete

Popis výsledku v původním jazyce

This study investigates ways to enhance the stability of foam used for foam concrete manufacturing. In previous research, it was noticed that pre-made foam quickly deteriorates after being mixed into fresh concrete; such behavior results in low concrete porosity and insufficient acoustic performance. This research aims to find a way to correct the aforementioned problem and accordingly improve the quality of the concrete porous system. Specifically, the impact of hydration retarder incorporation on foam stability is examined. Samples containing 0.1, 0.3, and 0.4 wt% of hydration retarder Retardal 540 (R) were manufactured. Afterwards, bulk density, tensile and compressive strengths, and sound absorption coefficient of the hardened samples were measured. It was concluded that the addition of setting retarder into concrete composition results in increased porosity and high sound absorption coefficient, with the best values being measured for the sample with 0.3 wt% of retarder.

Název v anglickém jazyce

Effect of hydration retarder on mechanical and acoustic properties of foam concrete

Popis výsledku anglicky

This study investigates ways to enhance the stability of foam used for foam concrete manufacturing. In previous research, it was noticed that pre-made foam quickly deteriorates after being mixed into fresh concrete; such behavior results in low concrete porosity and insufficient acoustic performance. This research aims to find a way to correct the aforementioned problem and accordingly improve the quality of the concrete porous system. Specifically, the impact of hydration retarder incorporation on foam stability is examined. Samples containing 0.1, 0.3, and 0.4 wt% of hydration retarder Retardal 540 (R) were manufactured. Afterwards, bulk density, tensile and compressive strengths, and sound absorption coefficient of the hardened samples were measured. It was concluded that the addition of setting retarder into concrete composition results in increased porosity and high sound absorption coefficient, with the best values being measured for the sample with 0.3 wt% of retarder.

Druh

D - Stať ve sborníku

CEP obor

—

OECD FORD obor

20101 - Civil engineering

Projekt

<a href="/cs/project/FW03010173" target="_blank" >FW03010173: Vývoj zvukoabsorpčního betonu pro interiérové aplikace</a><br>

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Rok uplatnění

2023

Kód důvěrnosti údajů

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

Název statě ve sborníku

Materialstoday: Proceedings Volume 81, Part 1

ISBN

—

ISSN

2214-7853

e-ISSN

2214-7853

Počet stran výsledku

5

Strana od-do

95-99

Název nakladatele

Elsevier Irland Ltd.

Místo vydání

Dublin

Místo konání akce

Lisbon

Datum konání akce

26. 10. 2022

Typ akce podle státní příslušnosti

WRD - Celosvětová akce

Kód UT WoS článku

—