Table 3: Technological properties of fired construction bricks made from clay and olive stone ash.

SampleWaste content (wt%)Linear shrinkage (%)Loss on ignition (%)Suction water (kg/m2 min)

C0−0.518 ± 0.109.24 ± 0.092.32 ± 0.07
C-10OSA10−0.88 ± 0.1212.97 ± 0.082.59 ± 0.22
C-20OSA20−1.88 ± 0.1415.19 ± 0.083.06 ± 0.06
C-30OSA30−2.19 ± 0.1517.19 ± 0.092.88 ± 0.08