Pyroclastic volcanic ash as a potential precursor of alkali-activated binders – A case study from Tajogaite (La Palma, Canary Islands) volcano eruption

Authors: Jofre Mañosa; Jesús Serrano-Conte; Alex Maldonado-Alameda; Meritxell Aulinas; Josep Maria Chimenos

Journal: Journal of Building Engineering

Research Line: Construction

Publication Date: April 20, 2023


Publication Highlights

  1. Volcanic Ash from the Tajogaite eruption is suitable for the formulation of alternative cements.
  2. The use of Volcanic Ash deposits offers economic benefits and a negative environmental impact.
  3. To boost sustainability, activators only used high-concentration NaOH solutions.
  4. The best compressive strength (16.5 MPa) was obtained with 6 M NaOH solution.
  5. Sustainable AAB have been formulated using only volcanic ash as a precursor.

Funding Organizations

Spanish government: PID2021-125810OB-C21 “DESARROLLO DE MATERIALES CEMENTICIOS ECOEFICIENTES, CON BAJO IMPACTO Y ALTA DURABILIDAD”, TED2021-129718B-I00 “Hormigón arquitectónico no estructural para uso urbano formulado con cementos activados alcalinamente utilizado como precursor escorias de incineración de residuos municipales”

Generalitat de Catalunya: DIOPMA (2017 SGR 188).