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Jose Zelaya

Institución Universitaria Colegio Mayor de Antioquia

SCHOLARLY PAPERS

4

DOWNLOADS

151

TOTAL CITATIONS

0

Scholarly Papers (4)

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1.

Stress strain and microstructural properties of geopolymer pastes from Colombian palm oil fuel ash and Brazilian fly ash: A sustainable binder

Number of pages: 57 Posted: 19 Dec 2025
Jose Zelaya, Maria Paiva, Juan Ochoa, Y.P Arias-Jaramillo and Romildo Toledo Filho
Institución Universitaria Colegio Mayor de Antioquia, affiliation not provided to SSRN, affiliation not provided to SSRN, Universidad Nacional de Colombia Sede Medellín and Universidade Federal do Rio de Janeiro (UFRJ) - Alberto Luiz Coimbra Institute for Graduate Studies and Research in Engineering (COPPE)
Downloads 55 (1,031,043)

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palm oil fuel ash, fly ash, stress-strain, Mechanical properties, microstructure

2.

An innovative way of using quarry sludge and fly ash as a sustainable approach for compressed earth blocks

Number of pages: 20 Posted: 08 Dec 2025
Jose Zelaya, Nicolas Pardo and Y.P Arias-Jaramillo
Institución Universitaria Colegio Mayor de Antioquia, Institución Universitaria Colegio Mayor de Antioquia and Universidad Nacional de Colombia Sede Medellín
Downloads 45 (1,145,425)

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3.

Assessment of sugarcane bagasse ash in quarry sludge chemical stabilization: Effect of molarity on the mechanical and microstructural properties

Number of pages: 21 Posted: 27 Nov 2025
Jose Zelaya, Nicolas Pardo and Alexander Méndez
Institución Universitaria Colegio Mayor de Antioquia, Institución Universitaria Colegio Mayor de Antioquia and affiliation not provided to SSRN
Downloads 40 (1,196,171)

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sugarcane bagasse ash, alkali activated materials, quarry sludge, unconfined compressive strength, ultrasonic pulse velocity

4.

KOH-activated fly ash as a binder for chemical stabilization of quarry sludge: mechanical and microstructural validation

Number of pages: 7 Posted: 02 Mar 2026
Jose Zelaya, Nicolas Pardo and Y.P Arias-Jaramillo
Institución Universitaria Colegio Mayor de Antioquia, Institución Universitaria Colegio Mayor de Antioquia and Universidad Nacional de Colombia Sede Medellín
Downloads 11 (1,555,090)

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quarry sludge, fly ash, alkali activated, unconfined compressive strength, maximum dry density