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Statements

Subject Item
n2:RIV%2F68407700%3A21110%2F12%3A00200831%21RIV14-MK0-21110___
rdf:type
skos:Concept n13:Vysledek
rdfs:seeAlso
http://ctn.cvut.cz/ap/
dcterms:description
The purpose of this paper is to propose an inexpensive micromechanics-based scheme for stiffness homogenization and strength estimation of mortars containing crushed bricks, known as cocciopesto. The model utilizes the Mori-Tanaka method for determining the effective stiffness, combined with estimates of quadratic invariants of the deviatoric stresses inside phases to predict the compressive strength. Special attention is paid to the representation of the C-S-H gel layer around bricks and the interfacial transition zone around sand aggregates, which renders the predictions sensitive to particlesizes. Several parametric studies are performed to demonstrate that the method correctly reproduces the data and trends reported in the available literature. Moreover, the model is based exclusively on parameters with a clear physical or geometrical meaning, and as such it provides a convenient framework for its further experimental validation. The purpose of this paper is to propose an inexpensive micromechanics-based scheme for stiffness homogenization and strength estimation of mortars containing crushed bricks, known as cocciopesto. The model utilizes the Mori-Tanaka method for determining the effective stiffness, combined with estimates of quadratic invariants of the deviatoric stresses inside phases to predict the compressive strength. Special attention is paid to the representation of the C-S-H gel layer around bricks and the interfacial transition zone around sand aggregates, which renders the predictions sensitive to particlesizes. Several parametric studies are performed to demonstrate that the method correctly reproduces the data and trends reported in the available literature. Moreover, the model is based exclusively on parameters with a clear physical or geometrical meaning, and as such it provides a convenient framework for its further experimental validation.
dcterms:title
A Micromechanics-Based Model for Stiffness and Strength Estimation of Cocciopesto Mortars A Micromechanics-Based Model for Stiffness and Strength Estimation of Cocciopesto Mortars
skos:prefLabel
A Micromechanics-Based Model for Stiffness and Strength Estimation of Cocciopesto Mortars A Micromechanics-Based Model for Stiffness and Strength Estimation of Cocciopesto Mortars
skos:notation
RIV/68407700:21110/12:00200831!RIV14-MK0-21110___
n13:predkladatel
n20:orjk%3A21110
n3:aktivita
n12:P
n3:aktivity
P(DF11P01OVV008)
n3:cisloPeriodika
6
n3:dodaniDat
n19:2014
n3:domaciTvurceVysledku
n11:5882028 n11:4695046
n3:druhVysledku
n14:J
n3:duvernostUdaju
n16:S
n3:entitaPredkladatele
n10:predkladatel
n3:idSjednocenehoVysledku
120306
n3:idVysledku
RIV/68407700:21110/12:00200831
n3:jazykVysledku
n4:eng
n3:klicovaSlova
micromechanics; homogenization; strength estimation; cocciopesto; C-S-H gel coating; interfacial transition zone
n3:klicoveSlovo
n5:C-S-H%20gel%20coating n5:micromechanics n5:homogenization n5:cocciopesto n5:strength%20estimation n5:interfacial%20transition%20zone
n3:kodStatuVydavatele
CZ - Česká republika
n3:kontrolniKodProRIV
[183D30FAC48B]
n3:nazevZdroje
Acta Polytechnica
n3:obor
n17:JN
n3:pocetDomacichTvurcuVysledku
2
n3:pocetTvurcuVysledku
2
n3:projekt
n9:DF11P01OVV008
n3:rokUplatneniVysledku
n19:2012
n3:svazekPeriodika
52
n3:tvurceVysledku
Nežerka, Václav Zeman, Jan
s:issn
1210-2709
s:numberOfPages
9
n18:organizacniJednotka
21110