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

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About: Comprehensive study on mechanical properties of lime-based pastes with additions of metakaolin and brick dust Goto Sponge NotDistinct Permalink

An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

Attributes	Values
rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://www.sciencedirect.com/science/article/pii/S0008884614001239
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. (en)
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 (en)
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 (en)
skos:notation	RIV/68378297:_____/14:00429333!RIV15-MK0-68378297
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(DF11P01OVV008)
http://linked.open...iv/cisloPeriodika	October
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Slížková, Zuzana Frankeová, Dita Petráňová, Veronika
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Ústav teoretické a aplikované mechaniky AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	8437
http://linked.open...ai/riv/idVysledku	RIV/68378297:_____/14:00429333
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	microstructure; mechanical properties; CaO; metakaolin; brick dust (en)
http://linked.open.../riv/klicoveSlovo	mechanical properties microstructure metakaolin CaO brick dust
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[2C8380DDAA3F]
http://linked.open...i/riv/nazevZdroje	Cement and Concrete Research
http://linked.open...in/vavai/riv/obor	AL
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	6 (xsd:int)
http://linked.open...vavai/riv/projekt	High-performance and compatible lime mortars for extreme application in restoration, repair and preventive maintenance of architectural heritage
http://linked.open...UplatneniVysledku	2014
http://linked.open...v/svazekPeriodika	64
http://linked.open...iv/tvurceVysledku	Slížková, Zuzana Frankeová, Dita Petráňová, Veronika Tesárek, P. Nežerka, V. Plachý, T.
http://linked.open...ain/vavai/riv/wos	000340304500003
issn	0008-8846
number of pages	13 (xsd:int)
http://bibframe.org/vocab/doi	10.1016/j.cemconres.2014.06.006

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