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CN-224213103-U - Bridge structure

CN224213103UCN 224213103 UCN224213103 UCN 224213103UCN-224213103-U

Abstract

The utility model relates to the technical field of bridge engineering, and provides a bridge structure, which comprises a main beam, arch seats and arch ribs, wherein the two groups of arch seats are respectively arranged at the bottoms of two ends of the main beam, the arch seats are provided with inclined pile embedded foundations and vertical bored pile foundations, the arch ribs are provided with a pair of arch ribs, the pair of arch ribs are arranged at two sides of the main beam, two ends of each arch rib are respectively connected with the arch seats, the inclined pile embedded foundations and the vertical bored pile foundations are combined, the advantages of the arch seats can be fully exerted, the inclined pile embedded foundations are arranged in an inclined manner, horizontal loads and moments can be effectively resisted, the inclined pile embedded foundations can more effectively disperse loads into surrounding stratum, the bearing capacity of the foundation is improved, the vertical bored pile foundations can uniformly transfer loads into the stratum through pile bodies, settlement and deformation of the foundation are reduced, the safety and stability of a bridge are ensured, and the overall performance of the arch bridge is remarkably improved.

Inventors

  • Gou Liqian
  • REN HONGWEI
  • Lu Benchuan
  • LI XIANG
  • MA LINGYUAN
  • Xiang Yueling

Assignees

  • 中铁十九局集团华东工程有限公司

Dates

Publication Date
20260508
Application Date
20250415

Claims (10)

  1. 1. A bridge construction, comprising: a main beam (1); The arch support (2) is provided with two groups, the two groups of arch supports (2) are respectively arranged at the bottom of the main beam (1), and the arch support (2) is provided with a inclined pile embedded foundation (21) and a vertical bored pile foundation (22); The arch ribs (3) are arranged in a pair, the arch ribs (3) are arranged on two sides of the main beam (1), two ends of each arch rib (3) are respectively connected with the arch base (2), and a plurality of horizontal connecting pieces are arranged between the arch ribs (3) at intervals.
  2. 2. Bridge construction according to claim 1, further comprising a first abutment (4) and a second abutment (23), the first abutment (4) being arranged at the end of the girder (1) for receiving a tunnel outlet, the bottom of the first abutment (4) being provided with a plurality of support piles (41), the second abutment (23) being arranged on the abutment (2) for supporting the girder (1).
  3. 3. Bridge construction according to claim 1, wherein the abutment (2) is further provided with a support (24), the support (24) being connected to the end of the rib (3), and the top of the support (24) being located at the intersection of the rib (3) with the girder (1).
  4. 4. Bridge construction according to claim 1, wherein each arch rib (3) is provided with a plurality of booms (5) along an arc trajectory, the bottoms of the booms (5) being connected to the main beams (1).
  5. 5. Bridge construction according to claim 1, wherein the main girder (1) comprises a bottom frame and a bridge deck, the bottom frame being in a grid structure comprising a cross beam (6) and longitudinal girders (7) connected at both ends of the cross beam (6).
  6. 6. Bridge construction according to claim 5, wherein the deck comprises prefabricated panels (8) and cast-in-place panels.
  7. 7. Bridge construction according to claim 6, wherein the connection of the edges of the prefabricated panels (8) to the cross beam (6) is glued with a strip of anti-corrosive rubber.
  8. 8. Bridge construction according to claim 5, characterized in that the inner cavity walls of the stringers (7) are provided with reinforcing ribs (71) around them.
  9. 9. Bridge construction according to claim 5, characterized in that the bridge deck is provided with a running rail (9) in the middle, and that the bridge deck is provided with cable channels (10) and guardrails (11) on both sides.
  10. 10. Bridge construction according to claim 1, wherein the cross section of the arch rib (3) is of a limb truss type construction, comprising a pair of upper chord pipes (31), a pair of lower chord pipes (32), wherein the upper chord pipes (31), the upper chord pipes (31) and the lower chord pipes (32) are connected by web members, and wherein the upper chord pipes (31) and the lower chord pipes (32) are filled with concrete.

Description

Bridge structure Technical Field The utility model relates to the technical field of bridge engineering, in particular to a bridge structure. Background In the technical field of bridge engineering, an arch bridge can transmit the borne load to an arch abutment foundation, so that the arch abutment foundation bears vertical acting force and horizontal acting force, and therefore, reasonable design of the arch abutment foundation has remarkable effects on the aspects of improving the safety, economy, construction convenience and the like of the arch bridge, and particularly, the problem of how to effectively improve the stability of the bridge aiming at a large-span arch bridge becomes a difficulty in the design and construction of the arch bridge. Disclosure of utility model The utility model provides a bridge structure which is used for improving the stability of a bridge. The utility model provides a bridge structure, comprising: A main beam; The arch seats are provided with two groups, the two groups of arch seats are respectively arranged at the bottoms of the two ends of the main beam, and the arch seats are provided with inclined pile embedded foundations and vertical bored pile foundations; The arch ribs are provided with a pair of arch ribs, the pair of arch ribs are arranged on two sides of the main beam, two ends of each arch rib are respectively connected with the arch seats, and a plurality of horizontal connecting pieces are arranged between the pair of arch ribs at intervals. The bridge structure provided by the utility model further comprises a first abutment and a second abutment, wherein the first abutment is arranged at the end part of the main beam and is used for bearing a tunnel outlet, a plurality of supporting piles are arranged at the bottom of the first abutment, and the second abutment is arranged on the arch seat and is used for supporting a main beam. According to the bridge structure provided by the utility model, the arch base is further provided with the support, the support is connected with the end part of the arch rib, and the top of the support is positioned at the intersection of the arch rib and the main beam. According to the bridge structure provided by the utility model, each arch rib is provided with a plurality of suspenders along an arc track, and the bottoms of the suspenders are connected with the main beams. According to the bridge structure provided by the utility model, the main beam comprises the underframe and the bridge deck, and the underframe is in a grid structure and comprises the cross beam and the longitudinal beams connected to the two ends of the cross beam. According to the bridge structure provided by the utility model, the bridge deck comprises precast slabs and cast-in-situ slabs. According to the bridge structure provided by the utility model, the anti-corrosion rubber strip is stuck at the joint of the edge of the precast slab and the cross beam. According to the bridge structure provided by the utility model, the reinforcing ribs are arranged around the inner cavity wall of the longitudinal beam. According to the bridge structure provided by the utility model, the middle part of the bridge deck is provided with the travelling rail, and the two sides of the bridge deck are provided with the cable grooves and the guardrails. According to the bridge structure provided by the utility model, the cross section of the arch rib adopts an four-limb truss type structure and comprises a pair of upper chord pipes and a pair of lower chord pipes, wherein the upper chord pipes, the upper chord pipes and the lower chord pipes are connected through web members, and concrete is filled in the upper chord pipes and the lower chord pipes The bridge structure comprises a main beam, arch seats and arch ribs, wherein the arch seats are provided with a pair of arch seats, the pair of arch seats are respectively arranged at the bottoms of two ends of the main beam, the arch seats are provided with inclined pile embedded foundations and vertical bored pile foundations, the arch ribs are provided with a pair of arch ribs, the two sides of each arch rib are respectively connected with the arch seats, a plurality of horizontal connecting pieces are arranged between the pair of arch ribs at intervals, the respective advantages can be fully exerted by adopting the arch seats formed by combining the inclined pile embedded foundations and the vertical bored pile foundations, the inclined pile embedded foundations can resist horizontal loads and moments more effectively through inclined arrangement, the stability of the arch seats is improved, the arch bridges with larger span and larger horizontal loads are more important, the inclined pile embedded foundations can disperse loads into surrounding stratum more effectively, the bearing capacity of the foundation is improved, meanwhile, friction force and embedded force of the inclined piles and stratum are also beneficial to i