Road and bridge transition section structure

Abstract

The utility model discloses a road and bridge transition section structure which comprises a soil layer, a tamped foundation layer is arranged on the top of the soil layer, a concrete layer is arranged above the tamped foundation layer, a bridge abutment is arranged on the left side of the soil layer, and a bridge body is arranged on the top of the bridge abutment. Asphalt pebble layers are laid on the top of the bridge body and the top of the concrete layer, a drainage mechanism is arranged in the concrete layer, a speed reducing mechanism is arranged at the position, located on the left side of the drainage mechanism, in the concrete layer, and the speed reducing mechanism comprises a speed bump, a mounting plate and a plurality of springs. According to the road and bridge transition section structure, through the arrangement of the drainage mechanism, water on the surface of the asphalt pebble layer can permeate into the concrete layer, flows into the grooves on the surface of the concrete layer, then enters the leakage holes and is finally discharged from the water outlet holes, and therefore the situation that excessive water on the upper portion enters the soil layer and the tamped foundation layer and takes away fine particles can be reduced; and sedimentation is caused.

Description

Technical Field

[0001] The utility model relates to the technical field of road-bridge transition sections, in particular to a road-bridge transition section structure. Background Art

[0002] With the increasing development of highway construction, people have higher and higher requirements for highway quality. The safety, comfort and economy of highways will highlight their importance. However, the transition section of the road to the bridge can easily become vacant due to the loss of soil from the bottom roadbed, resulting in the breakage of the transition section of the road to the bridge, making the road to the bridge inoperable.

[0003] After searching, the existing patent (publication number: CN217733634U) discloses a road-bridge transition section structure, including a roadbed, the roadbed is provided with a bridge abutment, a bearing platform is fixedly installed on the top of the abutment, a bridge deck is paved on the top of the bearing platform, a connecting seat is fixedly installed on one side of the bearing platform, a transition plate is fixedly installed on the side of the connecting seat, a compaction layer is provided at one end of the top of the roadbed, and multiple groups of equally spaced casting tubes are inserted on the top of the compaction layer. In the utility model, when the upper right end of the roadbed is plugged into the roadbed by a pile driver, and the upper end surface of each group of casting tubes is ensured to be lower than the upper end surface of the bearing platform, and then a large amount of concrete is poured into the casting tube by a concrete pouring machine, it is ensured that when the roadbed is washed away by rain and landslides, multiple groups of casting tubes can still support the transition plate, avoiding the break between the roadbed and the bridge deck, which causes the bridge deck to be unable to travel normally.

[0004] It uses a concrete pouring machine to pour a large amount of concrete into the pouring barrel, ensuring that when the roadbed is eroded by rain and landslides, multiple groups of pouring barrels can still support the transition plate to avoid fractures between the roadbed and the bridge deck, which would cause the bridge deck to be unable to travel normally. However, it has its shortcomings, as it does not have a structure to limit soil erosion on the roadbed. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a road-bridge transition section structure, which solves the problems raised by the above-mentioned background technology.

[0006] To achieve the above objectives, the utility model is implemented through the following technical solutions: a road-bridge transition section structure, including a soil layer, a compacted base layer is provided on the top of the soil layer, a concrete layer is provided above the compacted base layer, an abutment is provided on the left side of the soil layer, a bridge body is provided on the top of the abutment, asphalt gravel layers are paved on the top of the bridge body and the top of the concrete layer, a drainage mechanism is provided inside the concrete layer, a deceleration mechanism is provided inside the concrete layer on the left side of the drainage mechanism, and the deceleration mechanism includes a speed bump, a mounting plate and multiple springs.

[0007] Preferably, the drainage mechanism includes a plurality of grooves, the grooves are opened at the top of the concrete layer, leakage holes are opened at the bottom of the grooves, a water outlet hole is opened on the left side of the abutment and runs through the left and right sides, and the right end of the water outlet hole is connected to the left end of the leakage hole.

[0008] Preferably, a placement groove is provided at the top of the concrete layer on the left side of the plurality of grooves, the bottom ends of the plurality of springs are fixedly connected to the inner lower surface of the placement groove, the top of the spring is fixedly connected to the bottom of the mounting plate, the speed bump is located above the mounting plate, the speed bump and the mounting plate are fixedly connected by expansion bolts, and the top of the speed bump passes through the asphalt gravel layer.

[0009] Preferably, a circular hole is opened on the right side of the placement groove, and the right end of the circular hole is connected to the left side of the groove.

[0010] Preferably, concrete slopes are cast on both the front and rear surfaces of the concrete layer.

[0011] Preferably, a plurality of gravel is arranged inside the groove.

[0012] The utility model provides a road-bridge transition section structure. Compared with the prior art, it has the following beneficial effects:

[0013] 1. The transition section structure of the road bridge is equipped with a drainage mechanism. The water on the surface of the asphalt gravel layer will penetrate into the concrete layer. The water flows from the surface of the concrete layer to the inside of the groove, then enters the leakage hole, and finally is discharged from the water outlet. This can reduce the excessive water from above entering the soil layer and the compacted base layer, carrying away the fine particles and causing settlement.

[0014] 2. The transition section structure of the road bridge is equipped with a deceleration mechanism. When a vehicle passes over the speed bump, the speed bump will be pressed down, and the speed bump will push the mounting plate downward, thus deforming the spring, reducing the pressure on the speed bump and extending the service life of the speed bump. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 It is a cross-sectional structural schematic diagram of the utility model;

[0017] Figure 3 For this utility model Figure 2 Schematic diagram of the structure at A in the middle.

[0018] In the figure: 1. Abutment; 2. Concrete slope; 3. Soil layer; 4. Concrete layer; 5. Speed ​​reduction mechanism; 6. Asphalt gravel layer; 7. Bridge body; 8. Water outlet; 9. Leakage hole; 10. Gravel; 11. Groove; 12. Round hole; 13. Spring; 14. Placement slot; 15. Expansion bolt; 16. Mounting plate; 17. Rammed base layer; 18. Drainage mechanism; 19. Speed ​​bump. DETAILED DESCRIPTION

[0019] 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.

[0020] See also Figure 1-3 The utility model provides a technical solution: a road-bridge transition section structure, a road-bridge transition section structure, comprising a soil layer 3, a compacted base layer 17 is provided on the top of the soil layer 3, a concrete layer 4 is provided above the compacted base layer 17, a bridge abutment 1 is provided on the left side of the soil layer 3, a bridge body 7 is provided on the top of the bridge abutment 1, asphalt gravel layers 6 are paved on the top of the bridge body 7 and the top of the concrete layer 4, a drainage mechanism 18 is provided inside the concrete layer 4, a deceleration mechanism 5 is provided inside the concrete layer 4 on the left side of the drainage mechanism 18, the deceleration mechanism 5 comprises a deceleration belt 19, a mounting plate 16 and a plurality of springs 13, and the drainage mechanism 18 comprises a plurality of A groove 11 is provided at the top of the concrete layer 4, a leakage hole 9 is provided at the bottom of the groove 11, a water outlet hole 8 is provided on the left side of the abutment 1, and the right end of the water outlet hole 8 is connected to the left end of the leakage hole 9. A plurality of crushed stones 10 are provided inside the groove 11, and concrete slopes 2 are cast on the front and rear surfaces of the concrete layer 4. Water on the surface of the asphalt gravel layer 6 will penetrate into the concrete layer 4, and the water flows on the surface of the concrete layer 4 to the inside of the groove 11, and then enters the leakage hole 9, and finally is discharged from the water outlet hole 8, so that excessive water from above can be reduced from entering the soil layer 3 and the compacted base layer 17, carrying away fine particles and causing settlement.

[0021] Furthermore, a placement groove 14 is provided at the top of the concrete layer 4 on the left side of the plurality of grooves 11, the bottom ends of the plurality of springs 13 are fixedly connected to the inner lower surface of the placement groove 14, the top of the spring 13 is fixedly connected to the bottom of the mounting plate 16, the speed bump 19 is located above the mounting plate 16, the speed bump 19 and the mounting plate 16 are fixedly connected by expansion bolts 15, the top of the speed bump 19 passes through the asphalt gravel layer 6, a circular hole 12 is provided on the inner right side of the placement groove 14, the right end of the circular hole 12 is connected to the left side of the groove 11, when a vehicle passes over the speed bump 19, it will press the speed bump 19 downward, and the speed bump 19 will push the mounting plate 16 downward, thereby deforming the spring 13, reducing the pressure on the speed bump 19, and extending the service life of the speed bump 19.

[0022] During operation, water on the surface of the asphalt gravel layer 6 will penetrate into the concrete layer 4, flow from the surface of the concrete layer 4 to the inside of the groove 11, then enter the leakage hole 9, and finally be discharged from the water outlet 8, so as to reduce the excessive water from above entering the soil layer 3 and the compacted base layer 17, carrying away the fine particles and causing settlement.

[0023] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0024] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions. The sentence "includes an element defined by ... does not exclude the existence of other identical elements in the process, method, article or device including the element".

[0025] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A road-bridge transition section structure, comprising a soil layer (3), characterized in that: A compacted base layer (17) is provided on the top of the soil layer (3), a concrete layer (4) is provided above the compacted base layer (17), a bridge abutment (1) is provided on the left side of the soil layer (3), a bridge body (7) is provided on the top of the abutment (1), an asphalt gravel layer (6) is paved on the top of the bridge body (7) and the top of the concrete layer (4), a drainage mechanism (18) is provided inside the concrete layer (4), a deceleration mechanism (5) is provided inside the concrete layer (4) and on the left side of the drainage mechanism (18), and the deceleration mechanism (5) comprises a deceleration belt (19), a mounting plate (16) and a plurality of springs (13).

2. A road-bridge transition section structure according to claim 1, characterized in that: The drainage mechanism (18) comprises a plurality of grooves (11), wherein the grooves (11) are provided at the top of the concrete layer (4), a leakage hole (9) is provided at the bottom of the grooves (11), and a water outlet hole (8) penetrating left and right is provided on the left side of the abutment (1), and the right end of the water outlet hole (8) is connected to the left end of the leakage hole (9).

3. A road-bridge transition section structure according to claim 2, characterized in that: The top of the concrete layer (4) is located on the left side of the plurality of grooves (11) and is provided with a placement groove (14); the bottom ends of the plurality of springs (13) are fixedly connected to the inner lower surface of the placement groove (14); the top ends of the springs (13) are fixedly connected to the bottom of the mounting plate (16); the speed bump (19) is located above the mounting plate (16); the speed bump (19) and the mounting plate (16) are fixedly connected by expansion bolts (15); and the top of the speed bump (19) passes through the asphalt stone layer (6).

4. A road-bridge transition section structure according to claim 3, characterized in that: A circular hole (12) is provided on the right side of the placement groove (14), and the right end of the circular hole (12) is connected to the left side of the groove (11).

5. A road-bridge transition section structure according to claim 4, characterized in that: Concrete side slopes (2) are cast on the front and rear surfaces of the concrete layer (4).

6. A road-bridge transition section structure according to claim 5, characterized in that: A plurality of crushed stones (10) are arranged inside the groove (11).

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