FIELD: construction.
SUBSTANCE: invention relates to underground construction and, particularly, to concrete works for large diameter transport tunnels construction. The engineering task is solved by supporting and longitudinal walls concreting along the tunnel length by means of blocks installed at intervals. Length of intervals is equal to block length. Further concreting of intervals is performed concurrently with the cementing of roadway slab section above the previously cemented blocks of walls.
EFFECT: increase of structural elements concreting rate.
2 cl, 6 dwg
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