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Compressive strength of Nepali bricks

Short answer

In Nepal, common burnt clay bricks have a minimum compressive strength of 3.5 N/mm². Local hand-moulded bricks range from 3.5 to 5 N/mm², while good machine-made bricks reach about 7 to 10 N/mm² or more.

What is the compressive strength of the common and machine made bricks that are available in Nepal?

In Nepal, as per NBC 109 and the Nepal Standard NS 1, the minimum compressive strength of common burnt clay bricks is about 3.5 N/mm². Local hand-moulded bricks are mostly 3.5 to 5 N/mm², while good machine-made bricks (including those fired in Hoffman kilns) and fly-ash bricks reach about 7 to 10 N/mm² or more. Values vary with the kiln and the manufacturer.

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