IS 12440 : 1988 Specification for precast concrete stone masonry blocks

1 Scope

1.1 This standard covers the requirements of precast concretestone masonry blocks, used in the construction of load bearing andnon-load bearing walls.

2 References

IS 2 :1960 Rules for rounding offnumerical values

IS 269 : 1976Specification for ordinary and low heat Portland cement

IS 383 : 1970Specification for coarse and fine aggeregates fromnatural sources for concrete

IS 456 : 1978Code of practice for plain and reinforced concrete

IS 3812 : 1981Specification for flyash for use as pozzolana andadmixture