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Patent Searching and Data


Title:
CONNECTION STRUCTURE FOR ANTISEISMIC BRIDGE
Document Type and Number:
WIPO Patent Application WO/2021/108992
Kind Code:
A1
Abstract:
Disclosed is a connection structure for an antiseismic bridge, used for connecting adjacent primary beams of a bridge. The bridge comprises piers; a cap beam is fixedly connected to the top of each bridge pier; the upper end of the cap beam is connected to supports, and a primary beam is connected to the top of each support; two adjacent primary beams are defined as the left and right primary beams; the connection structure comprises a steel plate and a plurality of buffer supports; the buffer supports are rubber columns having compression springs sleeved on the outer circumference thereof; and the thickness of the steel plate in the height direction of the primary beam is 0.2-0.4 times the height of the primary beam. The connection structure also comprises fastening components, which comprise concrete anchor blocks and prestressed steel bars. Two sides of both the left and right primary beams are provided with concrete anchor blocks; both ends of each prestressed steel bar are respectively anchored to the concrete anchor blocks of the left and right primary beams on the adjacent sides. The present utility model is provided with buffering and damping parts and fastening components, so that the primary beams is capable of buffering and damping, and has high supporting strength, good durability, and long service life, so that the maintenance and use costs of the bridge are reduced.

Inventors:
LIU XIPING (CN)
Application Number:
PCT/CN2019/122730
Publication Date:
June 10, 2021
Filing Date:
December 03, 2019
Export Citation:
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Assignee:
KUNSHAN DINGNIU SHIZHENG CONSTRUCTION CO LTD (CN)
International Classes:
E01D19/06; E01D101/28; E01D101/30
Foreign References:
CN108103928A2018-06-01
CN204251986U2015-04-08
CN204475170U2015-07-15
JP2005048390A2005-02-24
KR100894542B12009-04-24
Attorney, Agent or Firm:
SUZHOU ZHOUZHI PATENT AGENCY (CN)
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