Water-tight bore shaft foundation

Details Water-tight bore shaft foundation Water-tight bore shaft foundation

E - Fixed Constructions

02

D

E02D 31/10 (2006.01) E02D 27/32 (2006.01) E21D 5/01 (2006.01)

Patent

CA 2045492

The lower end of an outwardly tight shaft structure (3) for a bore shaft (1) rests on a tilting joint arrangement (15, 20). This arrangement includes a hydraulic thrust bearing (15) at the end face of the shaft structure (3) and a hydraulic annular cylinder (20) at the circumference of the lower end of the shaft structure (3). Thus, this tilting joint arrangement (15, 20) is located between the shaft structure (3) and the base (10) and permits tilting of the shaft structure (3) relative to the ground (12) without impairing the water-tightness of the bore shaft foundation.

L'extrémité inférieure d'un tubage étanche à l'extérieur (3) pour puits d'aération (1) repose sur point d'ancrage oscillant (15, 20). Ce point d'ancrage comprend un palier de butée hydraulique (15) contre la face d'extrémité du tubage (3) et un cylindre annulaire hyraulique (20) entourant l'extrémité inférieure dudit tubage (3). Ainsi, ce point d'ancrage oscillant (15, 20) se trouve entre le tubage (3) et la base (10) et permet l'inclinaison du tubage (3) par rapport au sol (12) sans compromettre l'étanchéité à l'eau de la fondation du puits d'aération.

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