TY - JOUR
T1 - Electrochemical characterization of modified concretes with sugar cane bagasse ash
AU - Maldonado-Bandala, E. E.
AU - Jiménez- Quero, V.
AU - Olguin-Coca, F. J.
AU - Lizarraga M, L. G.
AU - Baltazar-Zamora, M. A.
AU - Ortiz-C, A.
AU - Almeraya C, F.
AU - Zambrano R, P.
PY - 2011/10
Y1 - 2011/10
N2 - Corrosion is one of the most serious causes that reduce service life of Reinforced Concrete Structures (RCS). This is why it is necessary to create concrete mixtures that add durability for steel and that reduce impact on the environment. The use of agro-industrial waste materials rich in SiO2, Al2O3 and Fe2O3, added to concrete, has been the subject of research in recent years, because these pozzolanic materials improves o mecharacteristics of concrete, as mechanical strength, sulfate resistance and lower permeability. Binary Concretes were made and evaluated in the impact of Sugar Cane Bagasse Ash (SCBA) as a partial substitute for Portland cement, with the aim of reducing gtherate of corrosion induced by chloride ions and sulfate. The behavior of corrosion was monitored for 14 months in two aqueous solutions of NaCl and Na2SO4 both at 3.5%, using electrochemical techniques of corrosion potential (Ecorr) and linear polarization resistance (Rp). Under the conditions of study, the binary mixture that showed a better corrosion protection was the one that contained 80% from sugar Cane bagasse ash and 20% Portland cement.
AB - Corrosion is one of the most serious causes that reduce service life of Reinforced Concrete Structures (RCS). This is why it is necessary to create concrete mixtures that add durability for steel and that reduce impact on the environment. The use of agro-industrial waste materials rich in SiO2, Al2O3 and Fe2O3, added to concrete, has been the subject of research in recent years, because these pozzolanic materials improves o mecharacteristics of concrete, as mechanical strength, sulfate resistance and lower permeability. Binary Concretes were made and evaluated in the impact of Sugar Cane Bagasse Ash (SCBA) as a partial substitute for Portland cement, with the aim of reducing gtherate of corrosion induced by chloride ions and sulfate. The behavior of corrosion was monitored for 14 months in two aqueous solutions of NaCl and Na2SO4 both at 3.5%, using electrochemical techniques of corrosion potential (Ecorr) and linear polarization resistance (Rp). Under the conditions of study, the binary mixture that showed a better corrosion protection was the one that contained 80% from sugar Cane bagasse ash and 20% Portland cement.
KW - Corrosion
KW - Corrosion potential
KW - Linear polarization resistance
KW - Portland cement
KW - Reinforced concrete structures
KW - Sugar cane bagasse ash
UR - http://www.scopus.com/inward/record.url?scp=83755207680&partnerID=8YFLogxK
M3 - Artículo
AN - SCOPUS:83755207680
SN - 1452-3981
VL - 6
SP - 4915
EP - 4926
JO - International Journal of Electrochemical Science
JF - International Journal of Electrochemical Science
IS - 10
ER -