Floating tunnels; Submerged bridge-like tunnels, i.e. tunnels supported by piers or the like above the water-bed

Full Title

Underground or underwater structures; Retaining walls > Tunnels submerged into, or built in, open water > Floating tunnels; Submerged bridge-like tunnels, i.e. tunnels supported by piers or the like above the water-bed

Classification Context

Section:

FIXED CONSTRUCTIONS

Class:

HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL-SHIFTING

Subclass:

FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES