The effect of curing temperature on the hydration of binary Portland cement

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216305%3A26310%2F16%3APU118617" target="_blank" >RIV/00216305:26310/16:PU118617 - isvavai.cz</a>

Výsledek na webu

<a href="http://link.springer.com/article/10.1007%2Fs10973-016-5395-9" target="_blank" >http://link.springer.com/article/10.1007%2Fs10973-016-5395-9</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1007/s10973-016-5395-9" target="_blank" >10.1007/s10973-016-5395-9</a>

Jazyk výsledku

angličtina

Název v původním jazyce

The effect of curing temperature on the hydration of binary Portland cement

Popis výsledku v původním jazyce

The effect of curing temperatures on the hydration of two binary systems comprising of Portland cement (PC) blended by metakaolin (MK) and blast-furnace slag (BFS) in two relative mass ratios (6/4, 5/5) was studied by means of isothermal calorimetry and combined TG/DSC technique in the temperature range of 30–60 °C. Higher curing temperatures accelerated the initial hydration reactions, especially in the case of more reactive MK-blended samples. However, except the lower replacement level of PC by BFS, all other samples displayed slowdown of hydration at later stages. The use of MK together with curing at 50 and 60 °C even resulted in the lower ultimate hydration degree after 48 h when compared with corresponding samples cured at 30 °C. Deceleration effect of higher curing temperatures was demonstrated mainly by decreasing amount of CSH phases. Pozzolanic activity of supplemental materials was affected by curing temperatures less than primary hydration reactions.

Název v anglickém jazyce

The effect of curing temperature on the hydration of binary Portland cement

Popis výsledku anglicky

The effect of curing temperatures on the hydration of two binary systems comprising of Portland cement (PC) blended by metakaolin (MK) and blast-furnace slag (BFS) in two relative mass ratios (6/4, 5/5) was studied by means of isothermal calorimetry and combined TG/DSC technique in the temperature range of 30–60 °C. Higher curing temperatures accelerated the initial hydration reactions, especially in the case of more reactive MK-blended samples. However, except the lower replacement level of PC by BFS, all other samples displayed slowdown of hydration at later stages. The use of MK together with curing at 50 and 60 °C even resulted in the lower ultimate hydration degree after 48 h when compared with corresponding samples cured at 30 °C. Deceleration effect of higher curing temperatures was demonstrated mainly by decreasing amount of CSH phases. Pozzolanic activity of supplemental materials was affected by curing temperatures less than primary hydration reactions.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

10402 - Inorganic and nuclear chemistry

Projekt

<a href="/cs/project/LO1211" target="_blank" >LO1211: Centrum materiálového výzkumu na FCH VUT v Brně - udržitelnost a rozvoj</a><br>

Návaznosti

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

Rok uplatnění

2016

Kód důvěrnosti údajů

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

Název periodika

Journal of Thermal Analysis and Calorimetry

ISSN

1388-6150

e-ISSN

1588-2926

Svazek periodika

neuveden

Číslo periodika v rámci svazku

10973

Stát vydavatele periodika

HU - Maďarsko

Počet stran výsledku

10

Strana od-do

1-10

Kód UT WoS článku

000383142000033

EID výsledku v databázi Scopus

2-s2.0-84961817067