Sample

Water quantity (g)

Quantity of cements (g)

Quantity of sand (g)

Improved Mfilou sand (30% crushed sand + 70% Mfilou)

225

405 SC + 945 Mfilou

450

Improved Djiri sand (30% crushed sand + 70% Djirisand)

225

405 SC + 945 Djiri

450

Improved River sand (30% crushed sand + 70% River)

225

405 SC + 945 River

450