at least part of the cross-section being constructed in an open excavation or from the ground surface, e.g. assembled in a trench

Introduced: January 1995

Last revised: January 2006

Full Title

Underground or underwater structures; Retaining walls > Underground structures, e.g. tunnels or galleries, built in the open air or by methods involving disturbance of the ground surface all along the location line; Methods of making them > at least part of the cross-section being constructed in an open excavation or from the ground surface, e.g. assembled in a trench

Classification Context

Section:: FIXED CONSTRUCTIONS
Class:: HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL-SHIFTING
Subclass:: FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES

1 direct subcode

Child Classifications

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E02D 29/055 further excavation of the cross-section proceeding underneath an already installed part of the structure, e.g. the roof of a tunnel