Lining predominantly with metal

Introduced: September 1968

Last revised: January 2006

Full Title

Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings , e.g. by assembling > Lining predominantly with metal

Classification Context

Section:: FIXED CONSTRUCTIONS
Class:: EARTH OR ROCK DRILLING; MINING
Subclass:: SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS

6 direct subcodes

Child Classifications

Navigate with arrow keys, Enter to open

E21D 11/15 Plate linings; Laggings, i.e. linings designed for holding back formation material or for transmitting the load to main supporting members
E21D 11/18 Arch members
E21D 11/28 Longitudinal struts
E21D 11/3 Bases for lower arch members
E21D 11/34 Joints between vertical props and horizontal top bars
E21D 11/36 Linings or supports specially shaped for tunnels or galleries of irregular cross-section