Monitoring the carbonation front progress in a cementitious composite having its pore structure analyzed through μ-CT imaging

Autor: Eduardo Nunes, Evando de Lacerda, Aldo Giuntini de Magalhães, Wander L. Vasconcelos, E. E. Bernardes

Publikováno v: Revista IBRACON de Estruturas e Materiais, Vol 10, Iss 3, Pp 653-668
Revista IBRACON de Estruturas e Materiais v.10 n.3 2017
Revista IBRACON de Estruturas e Materiais
Instituto Brasileiro do Concreto (IBRACON)
instacron:IBRACON
Revista IBRACON de Estruturas e Materiais, Volume: 10, Issue: 3, Pages: 653-668, Published: JUN 2017

The carbonation process is one of the factors that cause a reduction in the hydrogenionic potential (pH) in cementitious composites, which can lead to a depassivation of the reinforcement structures, thus furnishing conditions for a corrosion process

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0fb20e7bd4fac9d23ccdd3cbc6442cbf
https://doi.org/10.1590/s1983-41952017000300006

Evaluation of the effect of varying the workability in concrete pore structure by using X-ray microtomography

Autor: E. E. Bernardes, A. G. de Magalhães, W. L. Vasconcelos, E. H. M. Nunes

Publikováno v: Revista IBRACON de Estruturas e Materiais, Vol 6, Iss 4, Pp 582-597

The useful life of concrete is associated with the penetrative ability of aggressive agents on their structures. Structural parameters such as porosity, pore distribution and connectivity have great influence on the properties of mass transport in po

Externí odkaz: https://doaj.org/article/1b8906daad0e458b925ed1084c852df2

Evaluation of the effect of varying the workability in concrete pore structure by using X-ray microtomography

Autor: Wander L. Vasconcelos, A. G. De Magalhães, E. E. Bernardes, Eduardo Nunes

Publikováno v: Revista IBRACON de Estruturas e Materiais v.6 n.4 2013
Revista IBRACON de Estruturas e Materiais
Instituto Brasileiro do Concreto (IBRACON)
instacron:IBRACON
Revista IBRACON de Estruturas e Materiais, Vol 6, Iss 4, Pp 582-597
Revista IBRACON de Estruturas e Materiais, Volume: 6, Issue: 4, Pages: 582-597, Published: AUG 2013

The useful life of concrete is associated with the penetrative ability of aggressive agents on their structures. Structural parameters such as porosity, pore distribution and connectivity have great influence on the properties of mass transport in po

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d2b6955080e4b124c0521c1602f5d2dc
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1983-41952013000400005

Characterization of test specimens produced in reduced size for X-ray microtomography (µ-CT) tests

Autor: Edgar Vladimiro Mantilla Carrasco, L. B. De Lima, Wander L. Vasconcelos, A. G. De Magalhães, E. E. Bernardes, Eduardo Nunes

Publikováno v: Revista IBRACON de Estruturas e Materiais, Vol 10, Iss 5, Pp 1025-1041
Revista IBRACON de Estruturas e Materiais v.10 n.5 2017
Revista IBRACON de Estruturas e Materiais
Instituto Brasileiro do Concreto (IBRACON)
instacron:IBRACON

The need to use reduced sample sizes, in order to attain improved spatial resolution in (µ-CT) tests applied in Portland cement composites, makes researchers perform the fractionation of materials to obtain samples with dimensions compatible with th

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f12369a1d98051c266220b8e2d5ed30b
http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1983-41952017000501025&lng=en&tlng=en

Deep Denitrification of the Simulated Coastal Secondary Effluent with High Chloride Ion by Electrolysis.

Autor: Yaozong Zhang¹ zyaozong@163.com, Bo Pang¹, Guozhu Bo¹, Xinyuan Zhang¹, Wei Zhang¹

Publikováno v: Polish Journal of Environmental Studies. 2021, Vol. 30 Issue 3, p2437-2443. 7p.