IS 4880 : Part 5 : 1972 : Code of Practice for Design of Tunnels Conveying Water - Part V : Structural Design of Concrete Lining in Soft Strata and Soils

UDC 624.191.1 : 624.196 WRD 14
Reaffirmed 2020

1. Scope

1.1 This standard ( Part V) covers the criteria for structural design of plain and reinforced concrete lining for tunnels and shafts in soft strata and soils mainly for river valley projects.

NOTE -The provisions may, nevertheless, be used for design of tunnels for roadways, railways, sewage and water supply schemes! provided that all factors peculiar to such projects as may affect the design are taken mto consideration.

1.2 This standard, however, does not cover the design of steel and prestressed concrete lining, the design for concrete lining in swelling and squeezing rocks subject to internal tectonic stresses and design for seismic forces