CPC F16F 15/085 (2013.01) [B61B 13/10 (2013.01); F16F 3/10 (2013.01); F16F 2224/025 (2013.01); F16F 2224/0208 (2013.01); F16F 2226/04 (2013.01); F16F 2228/007 (2013.01); F16F 2230/0005 (2013.01); F16F 2230/30 (2013.01); F16F 2234/02 (2013.01)] | 13 Claims |
1. A damping segmental ring structure for subway tunnels built in deformable ground comprising:
a damper comprising:
front and rear loading plates that form a shell of the damper,
rubber pads and steel plates that form an internal core, and
a spring system configured to compress the internal core;
two transitional grooved segmental ring structures that are bolted to the front and rear loading plates; and
an internal steel tube within and concentric with the damper, the internal steel tube comprising a plurality of internal steel tube pieces, wherein a contact pressure between an inside surface of the damper and the internal steel tube is adjustable by counter-reaction bolts installed in flanges of the internal steel tube pieces.
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