Potential use of sewage sludge ash (SSA) as a cement replacement in precast concrete blocks

  1. Pérez Carrión, María Teresa
  2. Baeza Brotons, Francisco
  3. Payá Bernabeu, Jordi
  4. Saval Pérez, José Miguel
  5. Zornoza Gómez, Emilio
  6. Borrachero, M.V.
  7. Garcés Terradillos, Pedro
Revista:
Materiales de construcción

ISSN: 0465-2746

Año de publicación: 2014

Volumen: 64

Número: 313

Tipo: Artículo

DOI: 10.3989/MC.2014.06312 DIALNET GOOGLE SCHOLAR lock_openAcceso abierto editor

Otras publicaciones en: Materiales de construcción

Resumen

The present study explored the technological feasibility of re-using sewage sludge ash (SSA) as a Portland cement replacement in commercially manufactured pre cast concrete blocks. The blocks analysed were made to the guidelines laid down in Spain�s National Plan for Waste Water Treatment Plant Sludge, 2001�2006, and European Union specifications (CE marking) for such products. Performance was compared in three families of blocks, with 0, 10 and 20% SSA. The findings proved that SSA is apt for pre cast concrete block manufacture and that, in addition to the economic and environmental benefits afforded, its use would improve certain of the properties of conventional block.

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