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Dive into the research topics where G. Fajardo is active.

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Featured researches published by G. Fajardo.


Canadian Journal of Civil Engineering | 2009

Caractérisation microstructurale des fibres naturelles pour des matériaux composites à base de ciment

Cesar Juarez; G. Fajardo; P. Valdez

Le comportement mecanique des betons renforces de fibres naturelles depend principalement de l’adherence entre la fibre et la matrice de ciment. Cette adherence a aussi une certaine influence sur le type d’endommagement de ces materiaux. Cette recherche a ete menee sur des fibres naturelles de lecheguilla (Agave lecheguilla). Des essais chimiques, physiques et mecaniques tels que la determination de la composition chimique, la morphologie, la porosite, l’absorption d’eau et les resistances a la traction et a la flexion ont ete realises en utilisant ces fibres naturelles. Des observations a l’interface fibre–matrice de ciment ont aussi ete effectuees a l’aide du stereoscope pour evaluer l’effet du milieu alcalin et de differents rapports eau/ciment (E/C) sur la performance de mortier fibre. On a constate que la resistance mecanique a la traction et a la flexion du materiau composite augmente, d’une part, avec l’augmentation de la longueur et, d’autre part, avec la diminution du volume de fibres utilise. Le...


Revista ingeniería de construcción | 2009

Comportamiento a cortante en vigas de concreto reforzado con deterioro por corrosión en los estribos

Bianca Guevara; César Juárez; G. Fajardo; Pedro Castro-Borges

The present research intends to develop studies on reinforced concrete beams by applying controlled damage corrosion to cross-sectional reinforcements, thus finding relationships between different stirrups corrosion levels and shear strength due to diagonal tensile stress. Two series of eight beam specimens were constructed, each series having a stirrup spacing distance of 150 and 200 mm. The beams are exposed under wetting/drying cycles, with a 3.5% NaCl solution. In this paper, preliminary results are discussed related to the control of stirrups corrosion potential while the beams are exposed to NaCl. The obtained results will allow understanding the effect of stirrups corrosion level upon beams shear strength behavior, and the corresponding cracking pattern


Building and Environment | 2007

Performance of “Agave lecheguilla” natural fiber in portland cement composites exposed to severe environment conditions

César Juárez; Alejandro Durán; P. Valdez; G. Fajardo


Construction and Building Materials | 2009

Corrosion of steel rebar embedded in natural pozzolan based mortars exposed to chlorides

G. Fajardo; P. Valdez; J. Pacheco


Engineering Structures | 2011

Ultimate and nominal shear strength in reinforced concrete beams deteriorated by corrosion

César Juárez; B. Guevara; G. Fajardo; P. Castro-Borges


Wear | 2009

Amine type inhibitor effect on corrosion–erosion wear in oil gas pipes

D.I. Martínez; R. González; K. Montemayor; A. Juarez-Hernandez; G. Fajardo; M.A.L. Hernandez-Rodriguez


Construction and Building Materials | 2015

Comparative study between natural and PVA fibers to reduce plastic shrinkage cracking in cement-based composite

César Juárez; G. Fajardo; S. Monroy; A. Durán-Herrera; P. Valdez; Camille Magniont


Archive | 2012

Cement Based Anode in the Electrochemical Realkalisation of Carbonated Concrete

C. P. Barrios Durstewitz; F. J. Baldenebro López; G. Fajardo; F. Almeraya; E. Maldonado-Bandala; M. Baltazar-Zamora; Fuente de Poseidón; Nuevo León


Construction and Building Materials | 2015

Innovative application of silicon nanoparticles (SN): Improvement of the barrier effect in hardened Portland cement-based materials

G. Fajardo; A. Cruz-López; Dulce Cruz-Moreno; P. Valdez; Gilberto Torres; Rodolfo Zanella


Construction and Building Materials | 2017

Corrosion behavior of steel reinforcement bars embedded in concrete exposed to chlorides: Effect of surface finish

J.O. Rivera-Corral; G. Fajardo; G. Arliguie; R. Orozco-Cruz; F. Deby; P. Valdez

Collaboration


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P. Valdez

Universidad Autónoma de Nuevo León

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César Juárez

Universidad Autónoma de Nuevo León

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B. Guevara

Universidad Autónoma de Nuevo León

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A. Cruz-López

Universidad Autónoma de Nuevo León

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A. Durán-Herrera

Universidad Autónoma de Nuevo León

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A. Juarez-Hernandez

Universidad Autónoma de Nuevo León

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Alejandro Durán

Universidad Autónoma de Nuevo León

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Bianca Guevara

Universidad Autónoma de Nuevo León

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D.I. Martínez

Universidad Autónoma de Nuevo León

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