IS 2185 : Part 1 : 2005 Concrete Masonry Units - Specification Part 1 Hollow and Solid Concrete Blocks

ICS 91.080.30;91.100.30 CED 53
Reaffirmed 2020

1 Scope

This Standard (Part 1) Covers the Following concrete masonry building units which are used in the construction of load-bearing and partition walls:

a) Hollow(open and closed cavity) load bearingconcrete blocks,

b) Hollow (open and closed cavity) non-load bearing concrete blocks, and

c) Solid load-bearing concrete blocks and nonload bearing concrete blocks.

2 References

The standards listed in Annex A contain provisions which through reference in this text, constituteprovisions of this standard. At the time of publication, the editions indicated were valid. All standards aresubject to revision and parties to agreements based on this standard are encouraged to investigate thepossibility of applying the most recent editions of the standards indicated in Annex A.

  IS No.                  Title
IS 269 : 1989 Specification for 33 grade ordinary
Portland cement (fourth revision)
IS 383 : 1970 Specification for coarse and fine
aggregates from natural sources for
concrete (second revision)
IS 455 : 1989 Specification for Portland slag
cement (fourth revision)
IS 456 : 2000 Code of practice for plain and
reinforced concrete (fourth revision)
IS 1489 Specification for Portland pozzolana
cement:
IS Part 1: 1991 Fly ash based (third revision)
IS Part 2: 1991 Calcined clay based (third revision)
IS 2645 : 1975 Integral cement water proofing
compounds for cement mortar and
concrete (second revision)
IS 3812  Pulverized fuel ash - Specification:
IS Part 1: 2003 For use as pozzolana in cement,
cement mortar and concrete (second
revision)
IS Part 2 : 2003 For use as admixture in cement
mortar and concrete (second revision)
IS 3952 : 1988 Specification for burnt clay hollow
bricks for walls and partitions
(second revision)
IS 6909 : 1990 Specification for supersulphated
cement
IS 8041 : 1990 Specification for rapid hardening
Portland cement (second revision)
IS 8042 : 1989 Specification for white Portland
cement (second revision)
IS 8043 : 1989 Specification for hydrophobic
Portland cement (second revision)
IS 8112 : 1989 Specification for 43 grade ordinary
Portland cement (first revision)
IS 9103 : 1999 Specification for admixtures for
concrete (first revision)
IS 12269 : 1087 Specification for 53 grade ordinary
Portland cement