Access tower for manufacture of tunnel tubes

Details Access tower for manufacture of tunnel tubes Access tower for manufacture of tunnel tubes

E - Fixed Constructions

04

G

304/5

E04G 1/00 (2006.01) E02D 29/063 (2006.01)

Patent

CA 1187131

Abstract An improved access tower for use in the manu- facture of tunnel modules and tunnel sections for building underwater tunnel tubes is provided. The tower is posi- tioned at one end of the tunnel module shells when they are placed on pedestals for rotation and further processing. Assembly of the support framework around the shells is conducted from the top position on the shells. A moveable bridge extends from the tower for access to the top of the shells.

392683

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