Dry weight of sand mortar

Mortar is heterogeneous mixture of cement sand and water. Water reacts chemically with cement ingredients resulting in hydration of cement and fills the voids between cement and sand. As water is added to dry cement sand mixture the volume reduced.

For quantity estimate of cement sand mortar the wet mortar’s volume should be increased to account for

  • Water required for hydration.
  • Water required filling of voids.

Dry weight of mortar = Wet weight of mortar * 1.33

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