IS 9893 : 1981 Specification for precast concrete blocks for lintels and sills

1 Scope 

1.1 This standard covers the requirementsof precast concrete lintels and sills.

2 References

IS 2 :1960Rules for rounding off numerical values

IS 269 :1976Specification for ordinary and low heatPortland cement

IS 383 :1970Specification for Coarse and fine aggregatesfrom natural sources for concrete

IS 432 : Part I :1966 Specification for mildsteel and medium tensile steel bars andhard-drawn steel wire for concretereinforcement:Part I Mild steel and medium tensile steel bars

IS 432 : Part II :1966 Specitication for mildsteel and medium tensile steel bars andhard-drawn steel wire for concretereinforcement:Part II Hard-drawn steel wire

IS 455 :1976Specification for Portland slag cement

IS 456 :1978 Code of practice forplain and reinforcedconcrete

IS 1139 :1966Specification for hot rolled mild steel, mediumtensile steel and high yield strength steeldeformed bars for concrete reinforcement

IS 1489 :1976Specification for Portland Pozzolana cement

IS 1786 :1979Specification for cold-worked steel highstrength deformed bars for concretereinforcement

IS 2386 : Part IV :1963 Methods of test foraggregates for concrete :Part IV Mechanical properties

IS 8041 :1978Specification for rapid-hardening Portlandcement

IS 8093 :1978Specification for hydrophobic Portland cement

IS 8112 :1976Specification for high strength ordinaryPortland cement