IS 785 : 1998 Reinforced Concrete Poles for Overhead Power and Telecommunication Lines - Specification

1 Scope

This standard covers reinforced concrete poles suitable for usein overhead power, traction and telecommunication lines. Thisstandard does not cover prestressed concrete poles or prestressedconcrete poles using untensioned reinforcement.

2 References

IS 269 :1989Specification for 33 grade ordinary Portlandcement

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

IS432Specification for mild steel and medium tensilesteel bars and hard-drawn steel wire forconcrete reinforce

Part 1 :1982Mild steel and medium tensile steel bars

Part 2 :1982Hard drawn steel wire

IS 455 :1989Specification for Portland slag cement

IS 456 :1978Code of practice for plain and reinforcedconcrete

IS 516 :1959Method of test for strength of concrete

IS 875 : Part 3 :1987 Code of practice for design loads(other thanearthquake) for buildings and structures :Part 3 Wind loads

IS1489Specification for Portland pozzolana cement:

Part 1 :1991Flyash based

Part 2 :1991Calcined clay based

IS 1786 :1985Specification for high strength deformed steelbars wires for concrete reinforcement

IS 2905 :1989Method of test for concrete poles for overheadpower and telecommunication lines

IS 7321 :1974Code of practice for selection, handling anderection of concrete poles for overhead powerand telecommunication lines

IS 7861 : Part 1 :1975 Code of practice for extreme weatherconcreting :Part 1 Recommended practice for hot weatherconcreting

IS 8041 :1990Specification for rapid hardening Portlandcement

IS 8112 :1989Specification for 43 grade ordinary Portlandcement

IS 9103 :1979Specification for admixture for concrete

IS 12269 :1987Specification for 53 grade ordinary Portlandcement