Comprehensive study on mechanical properties of lime-based pastes with additions of metakaolin and brick dust

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68407700%3A21110%2F14%3A00219360" target="_blank" >RIV/68407700:21110/14:00219360 - isvavai.cz</a>

Nalezeny alternativní kódy

RIV/68378297:_____/14:00429333

Výsledek na webu

<a href="http://www.sciencedirect.com/science/article/pii/S0008884614001239" target="_blank" >http://www.sciencedirect.com/science/article/pii/S0008884614001239</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1016/j.cemconres.2014.06.006" target="_blank" >10.1016/j.cemconres.2014.06.006</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Comprehensive study on mechanical properties of lime-based pastes with additions of metakaolin and brick dust

Popis výsledku v původním jazyce

In order to understand the behavior of lime-based mortars, and to identify the influence of pozzolans, it is important to investigate the microstructure and properties of lime-based pastes without any aggregates. In our work, nine different sets of pastes with additions of metakaolin and brick dust were studied. The chemical composition and microstructure were investigated by means of TGA, SEM?BSE microscopy and EDX analysis. The mechanical strength and fracture properties were determined from destructive tests, while the evolution of the Young's modulus was monitored using the resonance method. The study revealed that metakaolin exhibits much stronger pozzolanic activity than brick dust, and that the mechanical properties of pastes are not necessarilyenhanced by the addition of pozzolans. However, the shrinkage reduction should result in the elimination of cracking around aggregates in mortars. These information contribute to better understanding of lime-based mortars and are essenti

Název v anglickém jazyce

Comprehensive study on mechanical properties of lime-based pastes with additions of metakaolin and brick dust

Popis výsledku anglicky

In order to understand the behavior of lime-based mortars, and to identify the influence of pozzolans, it is important to investigate the microstructure and properties of lime-based pastes without any aggregates. In our work, nine different sets of pastes with additions of metakaolin and brick dust were studied. The chemical composition and microstructure were investigated by means of TGA, SEM?BSE microscopy and EDX analysis. The mechanical strength and fracture properties were determined from destructive tests, while the evolution of the Young's modulus was monitored using the resonance method. The study revealed that metakaolin exhibits much stronger pozzolanic activity than brick dust, and that the mechanical properties of pastes are not necessarilyenhanced by the addition of pozzolans. However, the shrinkage reduction should result in the elimination of cracking around aggregates in mortars. These information contribute to better understanding of lime-based mortars and are essenti

Druh

J_x - Nezařazeno - Článek v odborném periodiku (Jimp, Jsc a Jost)

CEP obor

JJ - Ostatní materiály

OECD FORD obor

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Projekt

<a href="/cs/project/DF11P01OVV008" target="_blank" >DF11P01OVV008: Vysokohodnotné a kompatibilní vápenné malty pro extrémní aplikaci při restaurování, opravách a preventivní údržbě architektonického dědictví</a><br>

Návaznosti

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

Rok uplatnění

2014

Kód důvěrnosti údajů

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

Název periodika

Cement and Concrete Research

ISSN

0008-8846

e-ISSN

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Svazek periodika

64

Číslo periodika v rámci svazku

10

Stát vydavatele periodika

US - Spojené státy americké

Počet stran výsledku

13

Strana od-do

17-29

Kód UT WoS článku

000340304500003

EID výsledku v databázi Scopus

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