标准号:IS 4880 Pt.7-1975
发布日期:1975/10/1 12:00:00
实施日期:1999/12/31 12:00:00
适用范围:1.1 This standard ( Part VII ) covers the general requirements and design of steel lining of tunnels for conveyance of water from reservoirs to hydraulic turbines in hydro-power plants or vice versa in case of reversible pump turbines in pumped storage schemes or for other similar installations.1.2 This Code does not cover the design of specials like manifolds, wye-piece, transitions, etc.