The effect of surface finishes on outdoor granite and limestone pavers

Authors

  • M. A. García del Cura Laboratorio de Petrología Aplicada, Unidad Asociada CSIC-UA, Alicante. Instituto de Geología Económica, CSIC-UCM, Madrid
  • D. Benavente Laboratorio de Petrología Aplicada, Unidad Asociada CSIC-UA, Alicante. Departamento de Ciencias de la Tierra y del Medio Ambiente, Universidad de Alicante
  • A. Bernabéu Laboratorio de Petrología Aplicada, Unidad Asociada CSIC-UA, Alicante. Departamento de Ciencias de la Tierra y del Medio Ambiente, Universidad de Alicante
  • J. Martínez-Martínez Laboratorio de Petrología Aplicada, Unidad Asociada CSIC-UA, Alicante. Instituto de Geología Económica, CSIC-UCM, Madrid

DOI:

https://doi.org/10.3989/mc.2008.v58.i289-290.69

Keywords:

stone pavers, granite, limestone, surface finishes, freeze-thaw resistance

Abstract


Two types of ornamental stones, namely granite (Blanco Rafaela or Zarzalejo Granite) and microcrystalline limestone (marble known commercially as Gris Pulpis), treated for different surface finishes, were tested for suitability as paving slabs. The finishes tested in both stones were polishing, hammering, honing and flaming, while acid treatment and abrasion were applied to limestone only and sawn finishes were only studied in granite.
The stones were tested for the three physical properties that determine suitability for use as paving slabs; flexural strength under a concentrated load, and abrasion and slip resistance. Laboratory freeze-thaw cycle ageing tests were also conducted and flexural strength subsequently evaluated. Stone water sorption proved to be substantially unaltered by the type of finish employed.
Finish barely affected flexural strength, except in the case of limestone flaming, where it was lower. Hammering was found to provide good slip resistance in both stones. The best slip performance for granite, however, was found for flamed specimens. Finish was shown to have no effect on abrasion resistance in either of the stone materials.
Polished limestone suffered the least damage in freeze-thaw cycles, whereas freeze-thaw resistance was similar in all the granite specimens, regardless of the finish used.

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References

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Published

2008-06-30

How to Cite

García del Cura, M. A., Benavente, D., Bernabéu, A., & Martínez-Martínez, J. (2008). The effect of surface finishes on outdoor granite and limestone pavers. Materiales De Construcción, 58(289-290), 65–79. https://doi.org/10.3989/mc.2008.v58.i289-290.69

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Research Articles

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