FIELD: construction.
SUBSTANCE: invention relates to construction, namely to erection of subway stations in vertical soil openings with depth of more than 15 m and can also be used for erection of shallow buried underground structures of complex and special configuration. An erection method of a subway station is implemented in a vertical soil opening at several stages. At the first stage, advance erection of external walls and intermediate columns arranged in soil cavities is performed; at further stages, installation of a covering and roofing is performed with alternation of their installation with tier-by-tier soil development in the opening. In the covering and the roofing rectangular transverse and longitudinal openings in a plan view are made, which are congruent in a vertical plane to the soil opening; transverse openings with overall dimensions (A)×(B) are arranged above the roofing of the passenger platform; longitudinal openings with overall dimensions (Fa)×(Ea) in the covering, (Fa)×(Eb) and (Fb)×(Eb) in the roofing are arranged in the middle bay of the cross-section of the station in zones of immediate installation of escalator groups and on end faces of the station. At the last stage, erection of internal structures, installation of process equipment and structural rework of the openings is performed.
EFFECT: compensation of excess out-of-limit destructive loads for the period of fencing and reinforcement of the opening at use of a semi-closed construction method with minimisation of amount and burial and/or cross-section of pile parts of intermediate columns in soil cavities, and lower labour intensity and material consumption.
4 cl, 24 dwg
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