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Statements

Subject Item
n2:RIV%2F68378297%3A_____%2F14%3A00429333%21RIV15-MK0-68378297
rdf:type
skos:Concept n17:Vysledek
rdfs:seeAlso
http://www.sciencedirect.com/science/article/pii/S0008884614001239
dcterms:description
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 necessarily enhanced 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 essential for their proper modeling and design. 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 necessarily enhanced 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 essential for their proper modeling and design.
dcterms:title
Comprehensive study on mechanical properties of lime-based pastes with additions of metakaolin and brick dust Comprehensive study on mechanical properties of lime-based pastes with additions of metakaolin and brick dust
skos:prefLabel
Comprehensive study on mechanical properties of lime-based pastes with additions of metakaolin and brick dust Comprehensive study on mechanical properties of lime-based pastes with additions of metakaolin and brick dust
skos:notation
RIV/68378297:_____/14:00429333!RIV15-MK0-68378297
n3:aktivita
n9:P
n3:aktivity
P(DF11P01OVV008)
n3:cisloPeriodika
October
n3:dodaniDat
n13:2015
n3:domaciTvurceVysledku
n5:3445984 n5:3621138 n5:6871062
n3:druhVysledku
n4:J
n3:duvernostUdaju
n18:S
n3:entitaPredkladatele
n19:predkladatel
n3:idSjednocenehoVysledku
8437
n3:idVysledku
RIV/68378297:_____/14:00429333
n3:jazykVysledku
n12:eng
n3:klicovaSlova
microstructure; mechanical properties; CaO; metakaolin; brick dust
n3:klicoveSlovo
n11:microstructure n11:CaO n11:mechanical%20properties n11:metakaolin n11:brick%20dust
n3:kodStatuVydavatele
GB - Spojené království Velké Británie a Severního Irska
n3:kontrolniKodProRIV
[2C8380DDAA3F]
n3:nazevZdroje
Cement and Concrete Research
n3:obor
n8:AL
n3:pocetDomacichTvurcuVysledku
3
n3:pocetTvurcuVysledku
6
n3:projekt
n6:DF11P01OVV008
n3:rokUplatneniVysledku
n13:2014
n3:svazekPeriodika
64
n3:tvurceVysledku
Tesárek, P. Slížková, Zuzana Petráňová, Veronika Nežerka, V. Plachý, T. Frankeová, Dita
n3:wos
000340304500003
s:issn
0008-8846
s:numberOfPages
13
n16:doi
10.1016/j.cemconres.2014.06.006