Kerb stone blinding

In construction, 'blinding' typically refers to a base layer of weak concrete or sand that is laid above a layer of hardcore to provide a clean, level and dry working surface. ... The concrete used for blinding is weak compared with structural concrete, and can withstand lower loading.
1) competed surface
2)Polythene sheet
3)concrete
C20 is 1:2:4(1 part cement, 2 parts fine aggregate, and 4 parts coarse aggregate.) where as C20 symbolizes a Cylindrical sample in which cement, fine aggregates, coarse aggregates are mixed in such a ratio that its characteristic compressive strength is 20 N/mm^2 after 28 days of curing.

[@muhammadhayat8302]

Outstanding job 👌

[@shahidkiani9170]

Thanks