Pier anti-collision structure with guardrails

Abstract

The utility model discloses a bridge pier anti-collision structure with guardrails, which belongs to the technical field of bridge engineering and comprises a plurality of pier columns, supporting vertical columns are arranged on one sides of the pier columns, the supporting vertical columns are fixedly connected with the pier columns through a plurality of supporting cross beams, the supporting cross beams are perpendicular to the supporting vertical columns, and the supporting cross beams are perpendicular to the pier columns. A corrugated steel guardrail is fixedly connected to the side, away from the pier column, of the supporting vertical column, guardrail concrete is poured outside the corrugated steel guardrail, a guardrail rubber concrete layer is poured outside the guardrail concrete, and a guardrail foundation is fixedly connected to the bottom of the supporting vertical column. The bridge pier and the guardrail are better in integrity and higher in strength, force can be dispersed and absorbed when the bridge pier and the guardrail are impacted, so that vehicles and the bridge pier are protected, and the overall anti-collision performance is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of bridge engineering, and in particular relates to a bridge pier anti-collision structure with guardrails. Background Art

[0002] Traditional anti-collision measures for bridge piers mostly adopt external concrete, external steel plates, additional buffers, impact-resistant cushions and new buffering energy-absorbing materials to enhance the anti-collision and energy-absorbing properties of piers. However, the use of new buffering energy-absorbing materials greatly increases the cost of pier construction. At the same time, since new buffering energy-absorbing materials need to be specially customized, they are subject to certain restrictions in the construction of bridge piers. In the prior art, the technical improvement for the above technical problems is mainly to add steel plates and foamed concrete to the outer periphery of concrete, set supporting steel tube concrete beams, steel tube concrete columns, fixed steel sheets, bolts, corrugated steel tube concrete guardrails, connecting steel plates, and corrugated steel guardrail foundations on the outside of the bridge piers, and set the supporting steel beams, steel columns, and corrugated steel guardrails to steel tube concrete to improve rigidity, and wrap rubber concrete on the outside of the corrugated steel guardrails and add corrugated steel guardrail foundations to better absorb impact energy.

[0003] The Chinese patent with publication number CN220335688U discloses a guardrail with an anti-collision shell. The shell is spliced, with a bayonet inside that can match the guardrail. It is placed outside the bridge pier, etc., and uses lightweight cement as the core material of the shell. Aramid fiber fabric is pasted on the surface of the core material, and the outer layer is a highly elastic rubber material. The outermost layer is pasted and wrapped with glass fiber fabric to make the entire shell a whole. However, the above-mentioned prior art has the problem of low strength of the guardrail, and the guardrail has no force after the foundation collision, and the performance of resisting collision is poor.

[0004] Therefore, a bridge pier anti-collision structure with guardrails is proposed. Utility Model Content

[0005] In order to solve the above technical problems, the utility model proposes a bridge pier anti-collision structure with guardrails.

[0006] To achieve the above-mentioned purpose, the utility model provides a bridge pier anti-collision structure with a guardrail, comprising: a plurality of pier columns, a supporting vertical column is arranged on one side of the pier column, the supporting vertical column is fixedly connected to the pier column by a plurality of supporting cross beams, the supporting cross beams and the supporting vertical column, the supporting cross beams and the pier column are all perpendicular to each other, a corrugated steel guardrail is fixedly connected to the side of the supporting vertical column away from the pier column, guardrail concrete is cast inside the corrugated steel guardrail, a guardrail rubber concrete layer is cast outside the corrugated steel guardrail, and a guardrail foundation is fixedly connected to the bottom of the supporting vertical column.

[0007] Preferably, the pier column comprises a steel tube layer, the steel tube layer is poured with pier column concrete, the steel tube layer is poured with pier column rubber concrete, and the supporting crossbeam is fixedly connected to the outer side of the pier column rubber concrete.

[0008] Preferably, a plurality of steel bars are arranged on the outer circumference of the steel tube layer, spiral steel bars are spirally wound around the outer sides of the steel bars, and the steel bars and the spiral steel bars are cast in the rubber concrete of the pier column.

[0009] Preferably, a pier column fixing steel sheet is fixedly connected to one end of the supporting cross beam close to the pier column rubber concrete, and the pier column fixing steel sheet is fixedly connected to the pier column rubber concrete by a first bolt.

[0010] Preferably, connecting steel sheets are provided on both sides of one end of the supporting cross beam close to the supporting vertical column, one end of the connecting steel sheet is fixedly connected to the supporting cross beam by a second bolt, and the other end is connected to the supporting vertical column by a third bolt.

[0011] Preferably, a guardrail fixing steel plate is fixedly connected to one end of the support column away from the support beam, the support column is fixedly connected to the center of the guardrail fixing steel plate by a plurality of fourth bolts, and both sides of the guardrail fixing steel plate are fixedly connected to the corrugated steel guardrail by a plurality of fifth bolts.

[0012] Preferably, the supporting cross beams and the supporting vertical columns are both formed by casting steel tube concrete.

[0013] Compared with the prior art, the utility model has the following advantages and technical effects:

[0014] When a collision occurs on a bridge pier, the corrugated steel guardrail is the first to be impacted. The rubber concrete of the outer guardrail acts as a buffer for the vehicle that hits the bridge pier. The impact force on the corrugated steel guardrail is transmitted inward, and part of it is transmitted to the guardrail foundation through the supporting vertical columns. The guardrail foundation is buried underground, so this part of the force is transmitted to the soil for dissipation; the other part of the impact force is dispersed and transmitted to the pier column through the supporting vertical beams and supporting horizontal beams. The pier column absorbs and reduces the impact force received, protecting the safety of vehicles and bridge piers. The bridge piers and guardrails of this application have better integrity and higher strength. When impacted, the force can be dispersed and absorbed, so that vehicles and bridge piers are protected, and the overall anti-collision performance is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The drawings constituting a part of the present application are used to provide a further understanding of the present application. The illustrative embodiments and descriptions of the present application are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0016] Figure 1 It is a top view of the bridge pier anti-collision structure with guardrails of the utility model;

[0017] Figure 2 It is a side sectional view of the bridge pier anti-collision structure with guardrails of the utility model;

[0018] Figure 3 for Figure 1 A magnified view of middle;

[0019] Figure 4 for Figure 2 Enlarged view of middle B;

[0020] Figure 5 The utility model is a schematic diagram of the anti-collision structure of the bridge pier with guardrails.

[0021] In the figure: 1. Supporting vertical column; 2. Supporting horizontal beam; 3. Corrugated steel guardrail; 4. Guardrail concrete; 5. Guardrail rubber concrete layer; 6. Guardrail foundation; 7. Steel pipe layer; 8. Pier column concrete; 9. Pier column rubber concrete; 10. Steel bars; 11. Spiral steel bars; 12. Pier column fixing steel sheet; 13. First bolt; 14. Connecting steel sheet; 15. Second bolt; 16. Third bolt; 17. Guardrail fixing steel sheet; 18. Fourth bolt; 19. Fifth bolt. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0024] Reference Figures 1 to 5 As shown, this embodiment provides a bridge pier anti-collision structure with a guardrail, including: a plurality of piers, a supporting vertical column 1 is arranged on one side of the pier, the supporting vertical column 1 and the pier are fixedly connected by a plurality of supporting cross beams 2, the supporting cross beams 2 and the supporting vertical column 1, the supporting cross beams 2 and the pier are all perpendicular to each other, a corrugated steel guardrail 3 is fixedly connected to the side of the supporting vertical column 1 away from the pier, a guardrail concrete 4 is cast in the corrugated steel guardrail 3, a guardrail rubber concrete layer 5 is cast outside the corrugated steel guardrail 3, and a guardrail foundation 6 is fixedly connected to the bottom of the supporting vertical column 1.

[0025] When a collision occurs on a bridge pier, the corrugated steel guardrail 3 is the first to be impacted, and the rubber concrete of the external guardrail acts as a buffer for the vehicle that hits the bridge pier. The impact force on the corrugated steel guardrail 3 is transmitted inward, and a part of it is transmitted to the guardrail foundation 6 through the supporting vertical column 1. The guardrail foundation 6 is buried underground, so this part of the force is transmitted to the soil for dissipation; the other part of the impact force is dispersed and transmitted to the pier column through the supporting vertical beam and the supporting horizontal beam 2. The pier column absorbs and reduces the impact force received, protecting the safety of vehicles and bridge piers. The bridge piers and guardrails of this application have better integrity and higher strength. When impacted, the force can be dispersed and absorbed, so that vehicles and bridge piers are protected, and the overall anti-collision performance is improved.

[0026] According to a further optimized solution, the pier column includes a steel tube layer 7 , in which pier column concrete 8 is poured, and outside of the steel tube layer 7 , pier column rubber concrete 9 is poured, and the supporting crossbeam 2 is fixedly connected to the outside of the pier column rubber concrete 9 .

[0027] The pier column rubber concrete 9 wrapped on the outside of the pier column can absorb and reduce the impact force of the impact on the pier, protect the safety of vehicles and piers, and enhance the impact resistance of the pier column body.

[0028] According to a further optimization scheme, a plurality of steel bars 10 are arranged on the outer circumference of the steel pipe layer 7 , and spiral steel bars 11 are spirally wound around the outer sides of the steel bars 10 . The steel bars 10 and the spiral steel bars 11 are cast in the rubber concrete 9 of the pier column.

[0029] Steel bars 10 and spiral steel bars 11 are arranged outside the steel tube layer 7. The steel bars 10 are arranged axially along the steel tube layer, and the spiral steel bars 11 are spirally wound outside the steel bars 10, which improves the ability of the pier body to withstand longitudinal force and axial pressure, further improves the strength of the pier and thus increases the impact resistance.

[0030] According to a further optimized solution, a pier column fixing steel sheet 12 is fixedly connected to one end of the supporting cross beam 2 close to the pier column rubber concrete 9 , and the pier column fixing steel sheet 12 is fixedly connected to the pier column rubber concrete 9 by a first bolt 13 .

[0031] The pier column fixing steel sheet 12 increases the contact area between the supporting cross beam 2 and the pier column, which is conducive to stable fixation.

[0032] To further optimize the solution, connecting steel plates 14 are provided on both sides of one end of the supporting crossbeam 2 close to the supporting vertical column 1 , one end of the connecting steel plate 14 is fixedly connected to the supporting crossbeam 2 by a second bolt 15 , and the other end is connected to the supporting vertical column 1 by a third bolt 16 .

[0033] The connecting steel sheet 14 connects the supporting cross beam 2 and the supporting vertical column 1 from both sides, and while firmly connecting them, it leaves the supporting vertical column 1 away from the supporting cross beam 2 to provide space for the installation of the corrugated steel guardrail 3.

[0034] To further optimize the solution, a guardrail fixing steel plate 17 is fixedly connected to one end of the support column 1 away from the support beam 2, the support column 1 is fixedly connected to the center of the guardrail fixing steel plate 17 by a plurality of fourth bolts 18, and both sides of the guardrail fixing steel plate 17 are fixedly connected to the corrugated steel guardrail 3 by a plurality of fifth bolts 19.

[0035] The guardrail fixing steel sheet 17 increases the connection area between the supporting vertical column 1 and the corrugated steel guardrail 3, which is conducive to firm installation.

[0036] To further optimize the solution, the supporting cross beam 2 and the supporting vertical column 1 are both cast by steel tube concrete.

[0037] With such arrangement, the anti-collision structure of the pier has better integrity, higher strength and better impact resistance.

[0038] The parts not described in detail in the present invention are all conventional technical means known to those skilled in the art.

[0039] In the description of the present invention, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0040] The embodiments described above are only descriptions of the preferred methods of the present invention, and are not intended to limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should fall within the protection scope determined by the claims of the present invention.

Claims

1. A bridge pier anti-collision structure with guardrails, characterized in that: include: A plurality of piers, wherein a support vertical column (1) is arranged on one side of the pier, the support vertical column (1) is fixedly connected to the pier via a plurality of support cross beams (2), the support cross beam (2) and the support vertical column (1), and the support cross beam (2) and the pier are perpendicular to each other, a corrugated steel guardrail (3) is fixedly connected to the side of the support vertical column (1) away from the pier, guardrail concrete (4) is poured inside the corrugated steel guardrail (3), a guardrail rubber concrete layer (5) is poured outside the corrugated steel guardrail (3), and a guardrail foundation (6) is fixedly connected to the bottom of the support vertical column (1); The pier column comprises a steel tube layer (7), the steel tube layer (7) is poured with pier column concrete (8), the steel tube layer (7) is poured with pier column rubber concrete (9) outside the steel tube layer (7), and the supporting cross beam (2) is fixedly connected to the outer side of the pier column rubber concrete (9); A plurality of steel bars (10) are arranged on the outer circumference of the steel tube layer (7), a spiral steel bar (11) is spirally wound around the outer side of the steel bar (10), and the steel bar (10) and the spiral steel bar (11) are cast in the pier column rubber concrete (9).

2. The bridge pier anti-collision structure with guardrail according to claim 1 is characterized in that: A pier column fixing steel sheet (12) is fixedly connected to one end of the supporting cross beam (2) close to the pier column rubber concrete (9), and the pier column fixing steel sheet (12) is fixedly connected to the pier column rubber concrete (9) via a first bolt (13).

3. The bridge pier anti-collision structure with guardrail according to claim 1 is characterized in that: Connecting steel sheets (14) are provided on both sides of one end of the supporting cross beam (2) close to the supporting vertical column (1); one end of the connecting steel sheet (14) is fixedly connected to the supporting cross beam (2) via a second bolt (15), and the other end is connected to the supporting vertical column (1) via a third bolt (16).

4. The bridge pier anti-collision structure with guardrail according to claim 1 is characterized in that: A guardrail fixing steel sheet (17) is fixedly connected to one end of the support column (1) away from the support beam (2); the support column (1) is fixedly connected to the center of the guardrail fixing steel sheet (17) via a plurality of fourth bolts (18); and both sides of the guardrail fixing steel sheet (17) are fixedly connected to the corrugated steel guardrail (3) via a plurality of fifth bolts (19).

5. The bridge pier anti-collision structure with guardrail according to claim 1 is characterized in that: The supporting cross beam (2) and the supporting vertical column (1) are both formed by casting steel tube concrete.

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