Zobrazeno 1 - 7
of 7
pro vyhledávání: '"J. J. C. Pituba"'
Autor:
J. J. C. Pituba, R. G. Delalibera
Publikováno v:
Revista IBRACON de Estruturas e Materiais, Vol 7, Iss 1, Pp 68-99 (2014)
Este trabalho visa apresentar uma contribuição sobre uma proposta de abordagem para o cálculo de deslocamentos em estruturas de concreto armado em regime de serviço, sendo restrito o estudo ao caso de concretos C20 a C35. A abordagem utilizada le
Externí odkaz:
https://doaj.org/article/abb0b2eb758d405294d05e867719796b
Autor:
J. J. C. Pituba, R. G. Delalibera
Publikováno v:
Revista IBRACON de Estruturas e Materiais, Vol 7, Iss 1, Pp 68-99
Este trabalho visa apresentar uma contribuição sobre uma proposta de abordagem para o cálculo de deslocamentos em estruturas de concreto armado em regime de serviço, sendo restrito o estudo ao caso de concretos C20 a C35. A abordagem utilizada le
Externí odkaz:
https://doaj.org/article/ea102533e9e3420db5494fac8da82594
Publikováno v:
Revista IBRACON de Estruturas e Materiais, Vol 9, Iss 2, Pp 153-191
ABSTRACT This work deals with numerical modeling of the mechanical behavior of steel-fiber-reinforced concrete beams using a constitutive model based on damage mechanics. Initially, the formulation of the damage model is presented. The concrete is as
Externí odkaz:
https://doaj.org/article/ff5f59044fcc4754959c8d30ade21bb5
Autor:
J. J. C. Pituba, M. M. S. Lacerda
Publikováno v:
Revista IBRACON de Estruturas e Materiais, Vol 5, Iss 1, Pp 26-37
This work presents one and two-dimensional numerical analyses using isotropic and anisotropic damage models for the concrete in order to discuss the advantages of these modeling. Initially, it is shortly described the damage model proposed by Mazars.
Externí odkaz:
https://doaj.org/article/1abac1930f244c37959285ce7bf84c48
Autor:
J. J. C. Pituba, W. M. Pereira Júnior
Publikováno v:
Revista IBRACON de Estruturas e Materiais, Vol 8, Iss 1, Pp 49-65
This work deals with an improvement of an anisotropic damage model in order to analyze reinforced concrete structures submitted to reversal loading. The original constitutive model is based on the fundamental hypothesis of energy equivalence between
Externí odkaz:
https://doaj.org/article/9fffcda05e164cac9ed1308b8a477c7c
Publikováno v:
Revista IBRACON de Estruturas e Materiais, Vol 10, Iss 5, Pp 1087-1112
Abstract This work deals with numerical modeling of mechanical behavior in quasi-brittle materials, such as concrete. For this propose, a two-dimensional meso-scale model based on RVE existence is presented. The material is considered as a three-phas
Externí odkaz:
https://doaj.org/article/a1cdb4fadff34c408568e8f2db4755b5
Publikováno v:
Arabian Journal for Science and Engineering. 48:4751-4767