IS 4091 : 1979 Code of Practice for Design and Construction of Foundations for Transmission Line Towers and Poles

1 Scope

1.1 This standard covers the design and construction of concretefoundations including anchor bolts grouted into rock fortransmission-line towers and poles.

2 References

IS 2 :1960Rules for rounding off numerical values

IS 269 :1976Specification for ordinary and rapid-hardeningPortland cement

IS 455 :1966Specification for blast furnace 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-twisted steel bars forconcrete reinforcement

IS 1893 :1975Criteria for earthquake resistant design ofstructures

IS 2720 : Part XL : 1977 Methods of test for soils:Part XL Determination of-free swell index ofsoils

IS 3955 :1967Code of practice for design and construction ofwell foundations

IS 6909 :1973Specification for supersulphated cement

IS 8112 :1976Specification for high strength ordinaryPortland cement

IS 8041 :1976 Specification for rapid-hardening Portlandcement