METHOD FOR ERECTION OF REINFORCED CONCRETE VAULT ON PNEUMATIC FORMS Russian patent published in 1994 - IPC

FIELD: construction. SUBSTANCE: method includes fabrication of foundations, mounting of pneumatic forms on base, laying walls with their outer surface upwards on base over foundation inner outline and hinging of their lower faces to foundations. In so doing, insert telescopic in transverse direction is laid parallel to walls over the entire length of made vault. Arranged between insert and walls is lining, warmth keeping jacket, wet seal and vault reinforcement which is connected with wall reinforcement and with longitudinal members of insert. Concreting is effected. Forms are inflated and insert is fixed in extended position. EFFECT: higher efficiency. 7 dwg