Revised Standard from Last Update.

1. SCOPE

1.1 This standard provides the guidelines for proportioning concrete mixes as per the requirements using the concrete making materials including other supplementary materials identified for this purpose. The proportioning is carried out to achieve specified characteristics at specified age, workability of fresh concrete and durability requirements.

1.2 This standard is applicable for ordinary, standard and high strength concrete grades. The standard also covers provisions for the mix proportioning of self compacting concrete and mass concrete.

1.3 All requirements of IS 456 in so far as they apply, shall be deemed to form part of this standard.

2. REFERENCES

The following standards contain provisions, which through reference in this text, constitute provisions of this standard. At the time of publication, the editions indicated were valid. All standards are subject to revision and parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the standards indicated below:

269 : 2015 Specification for ordinary Portland cement (sixth revision)

383 : 2016 Specification for coarse and fine aggregates for concrete (second revision)

456 : 2000 Code of practice for plain and reinforced concrete (fourth revision)

1199 (Part 6) : 2018 Fresh concrete — Methods of sampling, testing and analysis: Part 6 Tests on fresh self compacting concrete (first revision) (under publication)

1489 Specification for Portlandpozzolana cement

(Part 1) : 2015 Fly ash based (third revision)

(Part 2) : 2015 Calcined clay based (third revision)

2386 (Part 3) : 1963 Methods of test for aggregates for concrete: Part 3 Specific gravity, voids, absorption and bulking

3812 (Part 1) : 2013 Specification for pulverized fuel ash: Part 1 For use as pozzolana in cement, cement mortar and concrete (third revision)

9103 : 1999 Specification for admixtures for concrete (first revision)

15388 : 2003 Specification for silica fume

16714 : 2018 Ground granulated blast furnace slag for use in cement, mortar and concrete — Specification