River channel pier anti-collision protection device

Abstract

The utility model relates to an anti-collision protection device for a river bridge pier, which belongs to the technical field of bridge pier protection equipment and comprises a metal protection sleeve I which is poured and fixed on the outer side of the top of a pile foundation, and a metal protection sleeve II which can be spliced and sleeved on the outer side of the lower part of a pier stud is welded and fixed on the top of the metal protection sleeve I; a pouring mortar layer is filled between the inner wall of the second metal protection sleeve and the outer wall of the pier column. The bridge pier is protected, collision and abrasion to the bridge pier body are reduced, safety and quality influences are reduced to the minimum, the service life of the bridge pier is prolonged, use safety of a bridge is guaranteed, and later maintenance cost is saved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of river bridge pier anti-collision protection devices, belong to bridge pier protection equipment technical field. BACKGROUND

[0002] Pier is the construction that supports bridge span structure and transmits dead load and vehicle live load to foundation, and the role of pier is to support bridge span structure.Pier is divided into solid pier, column pier and bent pier etc.Pier is usually composed of pier cap, enlarged foundation, pier body and pile foundation etc.

[0003] Pile foundation is the load-transmitting member that transmits all or part of load of structure to foundation soil and has certain rigidity and bending resistance, and its cross-sectional dimension is far less than its length.The role of pile foundation is to transmit load to deep soil with good bearing performance to meet the requirements of bearing capacity and settlement.Pile foundation has high bearing capacity, can bear vertical load, can also bear horizontal load, can resist uplift load and can bear vibration load, and is the most widely used deep foundation form.

[0004] The integrity and effectiveness of pier and pile foundation are important guarantee for bridge to maintain normal function and safety.

[0005] Bridge is generally needed to be set in highway engineering when crossing river, and pile foundation is currently used for bridge.Mountain river is completely different from plain river, with large drop and rapid water flow, and a large amount of eggs and stone blocks are mixed in river water, and the particle size is large.Eggs and stone blocks will move with the flow of water under the impact of water flow, and a large impact force will be generated when water flow is turbulent, which will impact pile foundation and pier column set in river, and long-term impact will cause concrete crack, spalling and exposed reinforcement, affect the physical quality, form great quality safety hazard, and ice erosion phenomenon will also cause damage to pier in winter in northern region. UTILITY MODEL CONTENTS

[0006] The utility model provides a kind of river bridge pier anti-collision protection device, solve the problem that current river bridge pier lacks protection device, is prone to damage, affects bridge normal function and safety.

[0007] The utility model relates to a kind of river bridge pier anti-collision protection device, including the metal protective sleeve one of pouring fixed at the top outer side of pile foundation, the top of metal protective sleeve one is welded and is fixed with the metal protective sleeve two of being spliced in the outer side of the lower part of pier column, and the inner wall of metal protective sleeve two is filled with grouting mortar layer between the outer wall of pier column.

[0008] As a kind of preferred, metal protective sleeve two is composed of two half-cylinder protective half-sleeve one and protective half-sleeve two, and the splicing of protective half-sleeve one and protective half-sleeve two is fixed by welding.Metal protective sleeve two is simple to process, easy to install and weld on site, and workers can master skillfully.

[0009] As a kind of preferred, the outer side wall of metal protective sleeve one and metal protective sleeve two is coated with rust-proof paint layer, and the welding place of metal protective sleeve two and metal protective sleeve one, the welding place of protective half sleeve one and protective half sleeve two is also coated with rust-proof paint layer. Better prevent rusting.

[0010] As a kind of preferred, the bottom end side wall of protective half sleeve one and protective half sleeve two is provided with the avoiding opening of avoiding ground tie beam. It can be applicable to the bridge pier with ground tie beam.

[0011] As a kind of preferred, the avoiding opening is provided with sealing glue between ground tie beam and the gap between ground tie beam and the top of metal protective sleeve one. Sealing effect is better.

[0012] As a kind of preferred, the bottom outer side of metal protective sleeve two is provided with positioning boss, and the top of metal protective sleeve one is provided with positioning recess matched with positioning boss. It is convenient to quickly position metal protective sleeve two, and the sealing effect between metal protective sleeve one and metal protective sleeve two is better.

[0013] As a kind of preferred, the inner wall of metal protective sleeve one is provided with multiple anti-falling bosses one, and the outer wall of pile foundation is provided with anti-falling recess one matched with anti-falling boss one, to better prevent metal protective sleeve one from falling off.

[0014] As a kind of preferred, the inner wall of metal protective sleeve two and the outer wall of pier column are both provided with anti-falling recess two, and the two sides of grouting mortar layer are provided with anti-falling boss two matched with anti-falling recess two, to better prevent metal protective sleeve two from falling off.

[0015] The utility model has the following beneficial effects:

[0016] It realizes the protection of bridge pier, reduces the collision and abrasion to bridge pier body, reduces the safety and quality influence to the minimum, prolongs the service life of bridge pier, guarantees the use safety of bridge, and saves later maintenance cost. DRAWINGS

[0017] Figure 1 It is main view structural schematic drawing of the utility model;

[0018] Figure 2 It is structural schematic drawing of bridge pier protection device with ground tie beam;

[0019] Figure 3 It is side surface structural schematic drawing at ground tie beam;

[0020] Figure 4 It is structural schematic drawing at anti-falling boss one and anti-falling boss two;

[0021] In the diagram: 1. Pier; 2. Pile foundation; 3. Metal protective sleeve one; 4. Protective half sleeve one; 5. Grouting mortar layer; 6. Ground beam; 7. Avoidance opening; 8. Protective half sleeve two; 9. Positioning boss; 10. Positioning recess; 11. Anti-detachment groove two; 12. Anti-detachment boss two; 13. Anti-detachment groove one; 14. Anti-detachment boss one. Detailed Implementation

[0022] The present invention will be further described below with reference to the embodiments.

[0023] Example 1, as Figure 1 As shown, this utility model is a river bridge pier anti-collision protection device, including a metal protective sleeve 3 cast and fixed on the outer side of the top of the pile foundation 2, a metal protective sleeve 2 that can be assembled and sleeved on the outer side of the lower part of the pier 1 welded to the top of the metal protective sleeve 3, and a grouting mortar layer 5 filling the space between the inner wall of the metal protective sleeve 2 and the outer wall of the pier 1.

[0024] Metal protective sleeve 1 and metal protective sleeve 2 are made of SUS304 stainless steel with a steel plate thickness of 10mm. The length of metal protective sleeve 1 and metal protective sleeve 2 is 5m, with part of metal protective sleeve 1 being 3m long and part of metal protective sleeve 2 being 2m long. This can meet the protection needs of water level changes under normal circumstances, or it can be set according to the actual water level of the river based on hydrological data.

[0025] The longer portion of pile foundation 2 is placed inside the pile foundation borehole casing during the construction of pile foundation 2 and poured together with the construction of pile foundation 2.

[0026] After the construction of pier 1 is completed, the length of pier 1 will be fitted with the assembled metal protective sleeve 2 on the lower outer side of pier 1. The metal protective sleeve 1 3 and the metal protective sleeve 2 will be welded together to form a whole.

[0027] The gap between pier 1 and metal protective sleeve 2 is filled with high-grade mortar to form grout layer 5, making metal protective sleeve 2 and pier 1 a single unit.

[0028] Example 2, based on Example 1, the metal protective sleeve 2 is composed of two semi-cylindrical protective half sleeves 1 4 and 2 8, and the joint of the protective half sleeve 1 4 and the protective half sleeve 2 8 is fixed by welding.

[0029] Both the outer walls of metal protective sleeve 1 (3) and metal protective sleeve 2 are coated with anti-rust paint. The welded joints of metal protective sleeve 2 and metal protective sleeve 1 (3), as well as the welded joints of protective half-sleeve 1 (4) and protective half-sleeve 2 (8), are also coated with anti-rust paint. After the pier 1 is constructed, protective half-sleeve 1 (4) and protective half-sleeve 2 (8) are fitted onto the lower outer side of pier 1. The joints of protective half-sleeve 1 (4) and protective half-sleeve 2 (8) are fixed by welding, and then anti-corrosion paint is applied to the welded joints to prevent rust.

[0030] Embodiment 3, as Figure 2 and 3 As shown in the drawings, on the basis of Embodiment 1 or 2, when the river bridge pier has a tie beam 6, the bottom end side wall of the protection half set one 4 and the protection half set two 8 are both provided with an avoiding opening 7 avoiding the tie beam 6.

[0031] The avoiding opening 7, the gap between the tie beam 6 and the top of the metal protection set one 3, and the gap between the tie beam 6 and the top of the metal protection set one 3 are all provided with sealing glue. When installing the protection half set one 4 and the protection half set two 8, the avoiding opening 7 is aligned with the tie beam 6, and then welded and fixed, and then the sealing glue is injected between the avoiding opening 7 and the tie beam 6, and the gap between the tie beam 6 and the top of the metal protection set one 3.

[0032] Embodiment 4, as Figure 4 shown, on the basis of Embodiment 1 or 2, the bottom outer side of the metal protection set two is provided with a positioning boss 9, and the top of the metal protection set one 3 is provided with a positioning recess 10 matched with the positioning boss 9.

[0033] The inner wall of the metal protection set one 3 is provided with a plurality of anti-disengagement bosses one 14, and the outer wall of the pile foundation 2 is provided with an anti-disengagement groove one 13 matched with the anti-disengagement bosses one 14.

[0034] The inner wall of the metal protection set two and the outer wall of the pier column 1 are both provided with an anti-disengagement groove two 11, and the two sides of the poured mortar layer 5 are provided with an anti-disengagement boss two 12 matched with the anti-disengagement groove two 11.

[0035] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be combined appropriately to form other embodiments that those skilled in the art can understand.

[0036] In the description of the present utility model, the terms "inner", "outer", "longitudinal", "transverse", "upper", "lower", "top", "bottom" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present utility model and do not require the present utility model to be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the present utility model.

Claims

1. A river bridge pier anti-collision protection device, characterized in that: The metal protective sleeve one (3) is fixed on the top of the pile foundation (2), and the top of the metal protective sleeve one (3) is welded with the metal protective sleeve two which is assembled on the outside of the lower part of the pier (1).

2. The river bridge pier anti-collision protection device according to claim 1, characterized in that: The metal protective sleeve two is composed of two half-cylinder protective half-sleeves one (4) and two (8), and the joint of the two is welded.

3. The river bridge pier anti-collision protection device according to claim 2, characterized in that: The outer wall of the metal protective sleeve one (3) and the metal protective sleeve two is coated with a layer of anti-rust paint, and the welding joint of the metal protective sleeve two and the metal protective sleeve one (3) and the welding joint of the protective half-sleeve one (4) and the protective half-sleeve two (8) are also coated with a layer of anti-rust paint.

4. The river bridge pier anti-collision protection device according to claim 2, characterized in that: The bottom side wall of the protective half-sleeve one (4) and the protective half-sleeve two (8) is provided with an avoiding opening (7) for avoiding the ground tie beam (6).

5. The river bridge pier anti-collision protection device according to claim 1, characterized in that: The avoiding opening (7), the gap between the ground tie beam (6) and the top of the metal protective sleeve one (3) are provided with sealing glue.

6. The river bridge pier anti-collision protection device according to claim 1, characterized in that: The bottom of the metal protective sleeve two is provided with a positioning boss (9), and the top of the metal protective sleeve one (3) is provided with a positioning recess (10) matched with the positioning boss (9).

7. The river bridge pier anti-collision protection device according to claim 1, characterized in that: The inner wall of the metal protective sleeve one (3) is provided with a plurality of anti-disengagement bosses one (14), and the outer wall of the pile foundation (2) is provided with anti-disengagement grooves one (13) matched with the anti-disengagement bosses one (14).

8. The river bridge pier anti-collision protection device according to claim 1, characterized in that: The inner wall of the metal protective sleeve two and the outer wall of the pier (1) are provided with anti-disengagement grooves two (11), and the two sides of the poured mortar layer (5) are provided with anti-disengagement bosses two (12) matched with the anti-disengagement grooves two (11).

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