<p>This work aims to study the effect of incorporating cork aggregates into a cement matrix composed of alluvial sand and calcareous sand to develop a lightweight mortar. To achieve a compact matrix, the adopted methodology involved combining the two types of sand in a 50/50 ratio. This mixture was then partially replaced with two types of cork aggregates (natural and expanded) at substitution rates of 0%, 20%, 30%, 40%, 50%, and 60%. The results show that using natural and expanded cork aggregates reduces the dry bulk density by approximately 41% and 39%, respectively, compared to the control mortar. Thermal conductivity was reduced by up to 70%. Mortars containing expanded cork aggregates exhibited a higher thermal insulation performance than those made with natural cork aggregates.</p> Graphical abstract <p></p>

错误:搜索内容不能为空,请输入英文关键词
错误:关键词超出字数限制,请精简
高级检索

Physical–mechanical and thermal characterization of a cement mortar based on cork residues for construction applications

  • Belkacem Ziregue,
  • Nasredine Bouhamou,
  • Ahmed Ziregue,
  • Nadia Belas,
  • Hipólito José Campos de Sousa,
  • Abdelkadir Belghit

摘要

This work aims to study the effect of incorporating cork aggregates into a cement matrix composed of alluvial sand and calcareous sand to develop a lightweight mortar. To achieve a compact matrix, the adopted methodology involved combining the two types of sand in a 50/50 ratio. This mixture was then partially replaced with two types of cork aggregates (natural and expanded) at substitution rates of 0%, 20%, 30%, 40%, 50%, and 60%. The results show that using natural and expanded cork aggregates reduces the dry bulk density by approximately 41% and 39%, respectively, compared to the control mortar. Thermal conductivity was reduced by up to 70%. Mortars containing expanded cork aggregates exhibited a higher thermal insulation performance than those made with natural cork aggregates.

Graphical abstract