Method and apparatus for the advancing of a sliding form

Details Method and apparatus for the advancing of a sliding form Method and apparatus for the advancing of a sliding form

E - Fixed Constructions

21

D

61/65

E21D 11/04 (2006.01) E21D 11/10 (2006.01)

Patent

CA 1182654

ABSTRACT The invention relates to a method for advancing a sliding form upon the lining of a gallery or tunnel, which comprises a formwork body extending in the longitudinal direction of the gallery or tunnel and substantially parallel to its working face, an end form which closes off the front side of the annular space contained between the working face of the gallery or tunnel or an outer shell arranged there and the formwork body and a supporting structure which bears at least the formwork body. The invention is characterized in that, at least in the region of the roof of the gallery or tunnel, the parts of the formwork body which are filled at the back with liquid concrete and the parts of the formwork body which rest against concrete which has not yet hardened are rigidly supported on the supporting structure so that, after sufficient hardening of the concrete, transfer is effected to an elastic supporting of the formwork body on the supporting structure.

390212

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