Answer / paree

Placing Conditions Degree of Slump
Workability (mm)
(1) (2) (3)
Blinding concrete; Very low See 7.1.1
Shallow sections;
Pavements using pavers I
Mass concrete;
Lightly reinforced
sections in slabs,
beams, walls, columns;
Floors;
Hand placed pavements;
Canal lining;
Strip footings
Low 25-75
Heavily reinforced Medium 50-100
sections in slabs,
beams, walls, columns; 75-100
Slipform work;
Pumped concrete 1
Trench fill; High 100-150
In-situ piling
Tremie concrete I Very high See 7.1.2

Answer / sahilshah.civil@gmail.com

Minimum slump for any grade of concrete for any section/structure as describe in clause 7 of IS 456:2000

25 to 75 mm

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