FIELD: underground construction. SUBSTANCE: method includes preliminary driving of side and middle adits with installation of supports in them. Then, side and middle tunnels are driven from crows to support cut, tunnel lining is mounted with its resting on supports, and ground is extracted in trough part and its erection. Efficiency is attained due to driving of adits in which supports are made in form of cast-in-situ girders and columns with main beams. Then, driven by cycles are middle tunnel with mounting of linings from blocks having internal cavities. Blocks are connected and their cavities are concreted, and trough part of the station is made of cast-in-situ plates with location of trough part of side tunnels below the trough part of middle tunnel. EFFECT: higher efficiency. 2 dwg
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Authors
Dates
1997-06-27—Published
1993-08-27—Filed