Archaeological discoveries

What is the mixture of sand lime and water used as lubricant to help stones move?

The mixture of sand, lime and water used as lubricant to help stones move is called grout. Grout is a thick, fluid mixture that is used to fill the gaps between tiles, stones, or bricks. It is made of a combination of sand, cement, water, and sometimes additives like latex or colour pigments. When mixed, the cement and water react to form a paste that hardens over time, creating a strong and durable bond between the stones. The sand and lime in the grout help to lubricate the stones and make them easier to move and adjust during construction. Additionally, grout helps to protect the stones from moisture and other environmental factors.
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