Steel bridge deck pavement structure

Abstract

The utility model provides a steel bridge deck pavement structure which comprises a cement concrete layer arranged on a steel bridge deck slab and an asphalt concrete layer arranged above the cement concrete layer, steel plates are arranged on the two sides of the steel bridge deck slab, and the steel plates extend to the position above the asphalt concrete layer from the cement concrete layer. A containing space is formed in the position, corresponding to the asphalt concrete layer, of the steel plate, a plurality of through holes are formed in the side, corresponding to the asphalt concrete layer, of the containing space, a drainage pipe is arranged below the side, away from the asphalt concrete layer, of the containing space, and the upper layer and the lower layer of the asphalt concrete layer both have certain inclination. The asphalt concrete layer is arranged on the uppermost portion of the steel bridge deck, the steel plates are arranged on the two sides of the asphalt concrete layer, and the containing space is formed in the steel plates, so that accumulated water above the asphalt concrete layer and permeating to the lower portion of the asphalt concrete layer is discharged into the containing space, and the problem that water is likely to be accumulated above an originally-designed bridge deck can be solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to bridge deck pavement technical field especially is related to a steel bridge deck pavement structure. BACKGROUND

[0002] Steel bridge is widely used because of its light weight, large span, good rigidity, high construction efficiency and good quality stability, but its pavement has been a problem. The steel box girder bridge deck pavement is generally composed of a rust-proof layer, a bonding layer and an asphalt mixture pavement layer, which is directly paved on the top plate of the steel box girder with a total thickness of 35-80mm.

[0003] The utility model patent CN205557332U discloses a bridge deck composite pavement structure containing a cable-stayed steel wire, but the structure is prone to water accumulation on the bridge deck during application, causing the vehicle to slip during driving. SUMMARY

[0004] The utility model provides a steel bridge deck pavement structure to solve the problem of water accumulation on the original design bridge deck.

[0005] To solve the above technical problems, the utility model provides a steel bridge deck pavement structure, which comprises a cement concrete layer arranged on a steel bridge deck and an asphalt concrete layer arranged above the cement concrete layer, steel plates are arranged on both sides of the steel bridge deck, the steel plates extend from the cement concrete layer to above the asphalt concrete layer, a containing space is arranged inside the steel plate at a position corresponding to the asphalt concrete layer, a plurality of through holes are arranged on one side of the containing space corresponding to the asphalt concrete layer, a drain pipe is arranged below the other side of the containing space away from the asphalt concrete layer, and the upper layer and the lower layer of the asphalt concrete layer have a certain slope.

[0006] In the preferred scheme, the angle between the asphalt concrete layer and the horizontal plane is 8 degrees.

[0007] In the preferred scheme, the containing space is of an open structure, a rib plate is arranged on the opening of the containing space, and a filter screen is arranged between the rib plates.

[0008] In the preferred scheme, a water level sensor is arranged in the containing space, and a switch valve is further arranged on the drain pipe.

[0009] In the preferred scheme, the drain pipe is inclined downwardly toward the side away from the asphalt concrete layer.

[0010] In the preferred scheme, a steel bar is arranged in the cement concrete layer, and the steel bar is connected to the steel plates on both sides.

[0011] In the preferred scheme, a ceramsite concrete layer is further arranged between the cement concrete layer and the asphalt concrete layer.

[0012] In a preferred embodiment, steel pipes are provided around the filter screen, and handles are provided on the steel pipes on both sides of the filter screen.

[0013] The beneficial effects of this utility model are: by setting an asphalt concrete layer on the top of the steel bridge deck, setting steel plates on both sides of the asphalt concrete layer, and setting a receiving space inside the steel plates, the water that accumulates above the asphalt concrete layer and seeps into the bottom of the asphalt concrete layer can be drained into the receiving space, thus solving the problem of water accumulation on the top of the original bridge deck design. Attached Figure Description

[0014] The present invention will be further described below with reference to the accompanying drawings and embodiments:

[0015] Figure 1 This is a cross-sectional view of an embodiment of the present invention;

[0016] Figure 2 This is a top view of an embodiment of the present invention;

[0017] Figure 3 This is a structural diagram of the steel reinforcement installation according to an embodiment of this utility model;

[0018] Figure 4 This is a structural diagram of the filter screen installation according to an embodiment of this utility model.

[0019] Reference numerals: 101 steel bridge deck; 11 cement concrete layer; 12 asphalt concrete layer; 13 steel plate; 131 accommodating space; 14 drainage pipe; 15 stiffening plate; 16 filter screen; 17 reinforcing bar; 18 switch valve; 19 ceramsite concrete layer; 21 steel pipe; 22 handle. Detailed Implementation

[0020] Please see Figures 1-4 As shown, this application provides a technical solution: a steel bridge deck pavement structure, including a cement concrete layer 11 disposed on a steel bridge deck 101 and an asphalt concrete layer 12 disposed above the cement concrete layer 11. Steel plates 13 are provided on both sides of the steel bridge deck 101, extending from the cement concrete layer 11 to above the asphalt concrete layer 12. A receiving space 131 is provided inside the steel plate 13 at the position corresponding to the asphalt concrete layer 12. Multiple through holes are provided on the side of the receiving space 131 corresponding to the asphalt concrete layer 12. A drainage pipe 14 is provided below the side of the receiving space 131 away from the asphalt concrete layer 12. The upper and lower layers of the asphalt concrete layer 12 have a certain slope.

[0021] In this way, when water accumulates on the asphalt concrete layer 12, some of the water penetrates into the asphalt concrete layer 12, enters the containing space 131 through the through hole of the steel plate 13, and the water above the asphalt concrete layer 12 enters the containing space 131 through the hole on one side of the steel plate 13, and is discharged through the drain pipe 14 below the containing space 131.

[0022] In a preferred embodiment, the angle between the asphalt concrete layer 12 and the horizontal plane is 8 degrees.

[0023] In a preferred embodiment, the containing space 131 is open at the top, and a rib plate 15 is provided on the opening of the containing space 131, and a filter screen 16 is provided between the rib plates 15.

[0024] The open structure is provided to facilitate the maintenance of the drain pipe 14 in the later stage, the rib plate 15 is provided to increase the strength of the top of the containing space 131, and the filter screen 16 is provided to prevent garbage from entering the containing space 131.

[0025] In a preferred embodiment, a water level sensor is provided in the containing space 131, and a switch valve 18 is further provided on the drain pipe 14.

[0026] The purpose of providing the water level sensor is to accumulate a certain amount of water in the containing space 131, and then discharge it on one side, which can form a landscape effect.

[0027] In a preferred embodiment, the drain pipe 14 is inclined downward toward the side away from the asphalt concrete layer 12.

[0028] The downward inclined drain pipe 14 is provided to facilitate the discharge of water in the containing space 131.

[0029] In a preferred embodiment, a steel bar 17 is provided in the cement concrete layer 11, and the steel bar 17 is connected to both sides of the steel plate 13.

[0030] In this way, the two steel plates 13 on both sides can be connected together to improve the overall strength.

[0031] In a preferred embodiment, a ceramic concrete layer 19 is further provided between the cement concrete layer 11 and the asphalt concrete layer 12.

[0032] The ceramic concrete layer 19 is provided to serve as a buffer and shock absorber for the whole.

[0033] In a preferred embodiment, a steel pipe 21 is provided around the filter screen 16, and a handle 22 is provided on the steel pipe on both sides of the filter screen 16.

[0034] In this way, the filter screen 16 can be lifted by holding the handle 22, which facilitates the maintenance and cleaning of the drain pipe 14 in the later stage.

[0035] The above-mentioned embodiments are only preferred technical solutions of the present application, and should not be regarded as limiting the present application, and the protection scope of the present application should be the technical solutions recorded in the claims, including the equivalent replacement solutions of the technical features recorded in the claims as the protection scope. That is, the equivalent replacement improvements within the scope are also within the protection scope of the present application.

Claims

1. A steel bridge deck pavement structure, characterized by The application relates to a cement concrete layer (11) arranged on a steel bridge deck (101) and an asphalt concrete layer (12) arranged above the cement concrete layer (11), a steel plate (13) is arranged on both sides of the steel bridge deck (101), the steel plate (13) extends from the cement concrete layer (11) to above the asphalt concrete layer (12), an accommodating space (131) is arranged inside the steel plate (13) at a position corresponding to the asphalt concrete layer (12), a plurality of through holes are arranged on one side of the accommodating space (131) corresponding to the asphalt concrete layer (12), a drain pipe (14) is arranged below the other side of the accommodating space (131) away from the asphalt concrete layer (12), and the upper layer and the lower layer of the asphalt concrete layer (12) have a certain slope.

2. A steel bridge deck pavement structure according to claim 1, characterized in that: The included angle between the asphalt concrete layer (12) and the horizontal plane is 8 degrees.

3. A steel bridge deck pavement structure according to claim 1, characterized in that: The accommodating space (131) is of an open structure, a rib plate (15) is arranged on the opening of the accommodating space (131), and a filter screen (16) is arranged between the rib plates (15).

4. A steel bridge deck pavement structure according to claim 3, characterized in that: A water level sensor is arranged in the accommodating space (131), and a switch valve (18) is further arranged on the drain pipe (14).

5. A steel bridge deck pavement structure according to claim 4, characterized in that: The drain pipe (14) is arranged to be inclined downwardly away from the asphalt concrete layer (12).

6. A steel bridge deck pavement structure according to claim 1, characterized in that: Steel bars (17) are arranged in the cement concrete layer (11) and connected to both sides of the steel plate (13).

7. A steel bridge deck pavement structure according to claim 6, characterized in that: A ceramsite concrete layer (19) is further arranged between the cement concrete layer (11) and the asphalt concrete layer (12).

8. A steel bridge deck pavement structure according to claim 3, characterized in that: Steel pipes (21) are arranged around the filter screen (16), and handles (22) are arranged on the steel pipes on both sides of the filter screen (16).

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