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Device for splicing reinforcement cages
A device 50a, 50b for splicing two reinforcement cages. The first cage comprises a suspension band adjacent one longitudinal end and the second cage carries the device adjacent one longitudinal end. The device comprises a first anchoring portion 112 attached to the second cage adjacent said one end, a second anchoring portion 114 connected to the first anchoring portion and transversely spaced therefrom to define a transverse suspension gap G between the anchoring portions, and a suspension member 120 attachable to the anchoring portions so as to bridge the suspension gap, with the suspension band of the first cage located in the suspension gap. The suspension member comprises an elongate hollow body, which may be a cylindrical steel coupler. The hollow suspension member provides a stronger and stiffer anchoring connection than a solid bolt of comparable mass per unit length. The cages may be of the pile or diaphragm wall type. The suspension member is attached to the first and second anchoring portions by means of a female-male screw threaded connection and an abutment recess or notch seating, respectively. The anchoring portions may be spaced by a bridging portion 116 to define a U-shaped yoke.
Device for splicing reinforcement cages
A device 50a, 50b for splicing two reinforcement cages. The first cage comprises a suspension band adjacent one longitudinal end and the second cage carries the device adjacent one longitudinal end. The device comprises a first anchoring portion 112 attached to the second cage adjacent said one end, a second anchoring portion 114 connected to the first anchoring portion and transversely spaced therefrom to define a transverse suspension gap G between the anchoring portions, and a suspension member 120 attachable to the anchoring portions so as to bridge the suspension gap, with the suspension band of the first cage located in the suspension gap. The suspension member comprises an elongate hollow body, which may be a cylindrical steel coupler. The hollow suspension member provides a stronger and stiffer anchoring connection than a solid bolt of comparable mass per unit length. The cages may be of the pile or diaphragm wall type. The suspension member is attached to the first and second anchoring portions by means of a female-male screw threaded connection and an abutment recess or notch seating, respectively. The anchoring portions may be spaced by a bridging portion 116 to define a U-shaped yoke.
Device for splicing reinforcement cages
STEPHEN RENDER (author)
2017-08-16
Patent
Electronic Resource
English