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Lightweight mortars containing expanded polystyrene and paper sludge ash

Authors
Journal
Construction and Building Materials
0950-0618
Publisher
Elsevier
Volume
61
Identifiers
DOI: 10.1016/j.conbuildmat.2014.03.028
Keywords
  • Rendering Mortar
  • Supplementary Cementitious Material
  • Waste
  • Paper Sludge Ash
  • Expanded Polystyrene
  • Lightweight Aggregate
  • Thermal Conductivity

Abstract

Abstract The objective of this research was to develop lightweight cement mortars with good thermal-insulation properties by incorporating expanded polystyrene (EPS) and paper sludge ash (PSA), both of which are problematic waste materials. The mortars formed had low thermal conductivity and low bulk density compared to control samples. Ground EPS produced lower thermal conductivity samples than powdered EPS. Resource efficient mortars containing up to 20% PSA, and 60% of EPS are considered suitable for use in rendering and plastering applications.

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