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Type: Artigo
Title: Modified Mortar Pad Behavior In The Transfer Of Compressive Stresses
Title Alternative: Comportamento De Almofadas De Argamassa Modificada Na Transferência De Tensões De Compressão
Author: Ditz
J. D.; Debs
M. K. EL; Siqueira
G. H.
Abstract: This research aims to analyze the compressive stress transfer between precast concrete elements using cement mortar pads modified with polypropylene fibers, styrene-butadiene latex and heat-expanded vermiculite. The stress transfer analyses are performed interleaving a cementbearing pad between two concrete blocks, subjecting the entire specimen to different compressive load tests. The parameters analyzed in the tests are: surface roughness (using bosses on the bonded phase of different thicknesses), compressive strength with monotonic and cyclic loadings. The main results obtained in this study are: a) the presence of pad increased the strength in 24% for thicknesses of imperfections of 0.5 mm and approximately 12% for smooth faces blocks; b) gain of effectiveness of the bearing pad when the concrete strength was reduced; c) for cyclic loading, the bearing pad increased in 48% the connections strength.
Subject: Bearing Pad
Mortar Pad
Stress Transfer
Almofada De Apoio
Almofada De Argamassa Modificada
Transferência De Tensões
Editor: IBRACON - Instituto Brasileiro do Concreto
Citation: Revista Ibracon De Estruturas E Materiais . Ibracon - Instituto Brasileiro Do Concreto, v. 9, n. 3, p. 414 - 434
Rights: aberto
Date Issue: 2016
Appears in Collections:Unicamp - Artigos e Outros Documentos

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