Composition/proportions of cement mortar for various uses

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S.No.Nature of WorkMortar Type and Composition
1.Pointing work1:1 to 1:2 cement sand mortar
2.Reinforced brickwork1:3 cement sand mortar
3.Damp proof courses and cement concrete roads.1:2 cement sand mortar
4.Thick joints in stone masonry.Hydraulic lime sand mortar (1:2 to 1:3)
5.Brick in arches, plastering inside of walls.1:5 to 1:6 cement and mortar or lime surkhi mortar (1:2) or lime, surkhi and sand (1:1:1) mortar.
6.Massive work below ground level especially in water logged areas.1:3 cement sand mortar or 1:3 lime sand mortar.
7.RCC tanks and other retaining.1: 1.5 cement sand mortar.
8.Stone masonry in foundations and superstructure of ordinary buildings.1:2 fat lime surkhi mortar or 1 part lime, 1 part surki and 1 part sand.
9.Laying fire bricks.Fire resisting, mortar consisting of 1 part of aluminous cement to 2 parts of finely crushed powder of fire bricks.
10.Mass concrete in foundations, paving tiles, cavity walls, plastering of ceiling and external plastering work etc., where good finish is required.1:4 cement sand mortar or 1:2 to 1:3 hydraulic lime mortar.
11.Massive works, dams, retaining walls, damp proofing, flooring, etc. where very high finish is required.1:3 cement sand mortar.
12.Highly stressed members of structure.1:1 cement sand mortar.
13.General RCC works such as slabs, beams and columns.1:2 cement sand mortar.

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Arbaj Demrot is the founder of VideRime Online Learning, a leading engineering website. He did his BE Civil and M.Tech Structure from RGPV University, Bhopal and has been working as an Assistant Professor in a reputed college.

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