2020
DOI: 10.1590/s1517-707620200001.0886
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Simulação termomecânica de prismas com blocos de concreto em situação de incêndio

Abstract: RESUMO Incêndios em edificações são frequentes em todo o mundo. Um sistema construtivo amplamente empregado no Brasil e pouco estudado em situação de incêndio é a alvenaria estrutural constituída por blocos de concreto. Em temperatura ambiente pode-se estimar a resistência à compressão axial da alvenaria através da compressão axial de prismas. Além disso, por meio de prismas é possível representar a perda de resistência mecânica devida à deterioração térmica. Assim, o presente trabalho tem como objetivo analis… Show more

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Cited by 3 publications
(2 citation statements)
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“…The ABAQUS 6.14 software was also used by Rodovalho, Corrêa and Neto [22] to carry out thermo-mechanical numerical investigations of FEM models of stack-bond prisms exposed to high temperatures. The authors aimed to numerically verify the mechanical strength of concrete block prisms under compression and fire conditions.…”
Section: Introductionmentioning
confidence: 99%
“…The ABAQUS 6.14 software was also used by Rodovalho, Corrêa and Neto [22] to carry out thermo-mechanical numerical investigations of FEM models of stack-bond prisms exposed to high temperatures. The authors aimed to numerically verify the mechanical strength of concrete block prisms under compression and fire conditions.…”
Section: Introductionmentioning
confidence: 99%
“…Nguyen et al [18] studied the thermal conductivity change of concrete when exposed to both mechanical and thermal loads through a numerical three-phase plane model using lattice discretization, where damage variable is accounted via crack opening. Rodovalho et al [19] analyzed the mechanical resistance of concrete blocks subjected to compression and in a fire situation. Assis and Neto [20] evaluated the heat transfer in the cavity of the structural masonry blocks.…”
Section: Introductionmentioning
confidence: 99%