CN213013864U

CN213013864U - Bridge deck greening drainage system of urban viaduct

Info

Publication number: CN213013864U
Application number: CN202020803253.3U
Authority: CN
Inventors: 张全阳; 李坤; 虢玉标; 熊鹿鹿; 南吉锋; 葛粟粟; 文豪; 赵思樾; 刘金利
Original assignee: Central and Southern China Municipal Engineering Design and Research Institute Co Ltd
Current assignee: Central and Southern China Municipal Engineering Design and Research Institute Co Ltd
Priority date: 2020-05-14
Filing date: 2020-05-14
Publication date: 2021-04-20
Anticipated expiration: 2030-05-14

Abstract

The utility model relates to a municipal bridge and affiliated facilities's construction technical field provides a bridge floor greening drainage system of city overpass, mound, anticollision barrier, overpass guardrail in overpass case roof beam, the overpass, be equipped with the planting groove between anticollision barrier and the overpass guardrail, first drain pipe has been arranged at certain distance of anticollision barrier bottom, overpass case roof beam road surface and escape canal pass through first drain pipe connection, the escape canal bottom is equipped with the second drain pipe, the second drain pipe other end extends to overpass case roof beam bottom to through rubber tube and third drain pipe connection, the third drain pipe other end extends to the overpass in the mound bottom and is connected with the sump pit. The utility model discloses a drain pipe and escape canal arrange inside overpass case roof beam, planting groove and pier, and all drainage pipes no longer expose in the atmosphere, have alleviateed pipeline material's corruption, have prolonged the life of pipeline, have strengthened the whole view effect of overpass.

Description

Bridge deck greening drainage system of urban viaduct

Technical Field

The utility model belongs to the technical field of the construction technique of municipal bridge and affiliated facilities thereof and specifically relates to a bridge floor greening drainage system of city viaduct.

Background

In recent years, a large number of viaducts are built in each large city. Compared with ground roads, urban viaducts face the problem of bridge deck drainage. Rainwater falling on the bridge floor flows into the drainage pipes through the cross slope and the longitudinal slope of the bridge floor, and the conventional drainage arrangement of the bridge floor of the viaduct is that drainage pipes are arranged at the two sides of the bridge floor close to guardrails and communicated to the bottom of a top plate, then the drainage pipes are connected to the outer sides of the close-fitting beam bodies and the piers to drain rainwater into a water collecting well buried underground, and the drainage pipes are connected to the drainage wells through underground drainage pipes. The drainage arrangement method enables the drainage pipe to be exposed outside the beam body, which not only influences the attractiveness of the bridge, but also is not beneficial to the durability maintenance of the pipeline. Therefore, a new bridge floor greening drainage system for urban viaducts is needed to improve the greening landscape of the urban viaducts and the maintenance performance of drainage pipelines.

SUMMERY OF THE UTILITY MODEL

In order to the above situation, the utility model provides a bridge floor greening drainage system of city viaduct when guaranteeing that the drain pipe does not influence the overpass roof beam pleasing to the eye, the protection pipeline does not receive the atmosphere to corrode, combines to afforest the view effect that improves the bridge greatly simultaneously.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: the utility model provides a bridge floor greening drainage system of city viaduct, mound, anticollision barrier, viaduct guardrail in viaduct case roof beam, the viaduct, its characterized in that, be equipped with between the anticollision barrier of the lower one side of viaduct slope and the viaduct guardrail and plant the groove, plant the inslot by supreme escape canal, porous infiltration baffle, granule layer, planting soil layer of being in proper order down, first drain pipe has been arranged at every certain distance in anticollision barrier bottom, viaduct case roof beam road surface is connected through first drain pipe with the escape canal, the escape canal bottom is equipped with the second drain pipe, the second drain pipe other end extends to viaduct case roof beam bottom to pass through rubber tube and third drain pipe connection, the third drain pipe other end extends to and is connected with the sump pit to mound bottom in the viaduct.

Preferably, the ceramsite layer is wrapped by water-permeable geotextile.

Preferably, drip irrigation equipment is further arranged on the planting soil layer.

Preferably, the first drainage pipe is provided with a water seepage material towards the entrance of the viaduct pavement.

Preferably, the water collecting well is connected with the drainage well through a fourth drainage pipe.

Preferably, the first drain pipe, the second drain pipe, the third drain pipe and the fourth drain pipe are all galvanized steel pipes.

The utility model discloses the beneficial effect who has does:

(1) the galvanized steel pipe drainage pipe and the drainage ditch of the bridge floor greening drainage system are arranged inside the viaduct box girder, the planting groove and the pier, so that the appearance of the bridge girder body is fully protected to be simple and beautiful;

(2) the arrangement of all galvanized steel pipe drainage pipelines of the bridge floor greening drainage system of the utility model is not exposed in the atmosphere any more, thus reducing the corrosion of metal pipeline materials and prolonging the service life of the pipelines;

(3) the utility model discloses combine the drainage function and the planting groove afforestation function of city overpass organically, strengthened the whole view effect of overpass.

Drawings

FIG. 1 is a schematic cross-sectional structure of the present invention;

FIG. 2 is a schematic view of the structure of the planting trough of the present invention;

in the figure: 1. the viaduct box girder comprises a viaduct box girder, 2 viaduct middle piers, 3 anti-collision guardrails, 4 viaduct guardrails, 5 planting grooves, 5.1 drainage ditches, 5.2 porous water seepage partition plates, 5.3 ceramsite layers, 5.4 planting soil layers, 5.5 drip irrigation equipment, 6.1 first drainage pipes, 6.2 second drainage pipes, 6.3 third drainage pipes, 7 water collecting wells, 8 drainage wells and 9 rubber pipes.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the accompanying drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention.

As shown in fig. 1 and 2, the technical solution provided by the present invention is as follows: a bridge deck greening drainage system of an urban viaduct comprises a viaduct box girder 1, a viaduct middle pier 2, an anti-collision guardrail 3 and a viaduct guardrail 4, it is characterized in that a planting groove 5 is arranged between the anti-collision guardrail 3 at the lower side of the viaduct and the viaduct guardrail 4, the planting groove 5 is internally provided with a drainage ditch 5.1, a porous water seepage clapboard 5.2, a ceramsite layer 5.3, a planting soil layer 5.4 and a drip irrigation device 5.5 from bottom to top in sequence, first drainage pipes 6.1 are arranged at the bottom of the anti-collision guardrail 3 at intervals, the pavement of the viaduct box girder 1 is connected with drainage ditches 5.1 through the first drainage pipes 6.1, a second drain pipe 6.2 is arranged at the bottom of the drainage ditch 5.1, the other end of the second drain pipe 6.2 extends to the bottom of the viaduct box girder 1, and is connected with a third water drainage pipe 6.3 through a rubber pipe 9, and the other end of the third water drainage pipe 6.3 extends to the bottom of the pier 2 in the viaduct and is connected with a water collecting well 7.

Preferably, the ceramsite layer 5.3 is wrapped by water-permeable geotextile.

Preferably, a drip irrigation device 5.5 is further arranged on the planting soil layer 5.4.

Preferably, the first drainage pipe 6.1 is provided with a water permeable material 9 at the inlet facing the pavement of the viaduct.

Preferably, the water collection well 7 is connected to the drainage well 8 via a fourth drainage pipe 6.4.

Preferably, the first drain pipe 6.1, the second drain pipe 6.2, the third drain pipe 6.3 and the fourth drain pipe 6.4 are all galvanized steel pipes.

The utility model discloses specific embodiment as follows:

planting groove 5 and anticollision barrier 3 and arranging along overpass case roof beam 1 in succession, 3 bottoms of other bridge floor anticollision barriers except that pier 2 department in the overpass arrange the first drain pipe 6.1 of drainage to escape canal 5.1 at regular interval, drain bridge floor rainwater and plant the interior plant infiltration of groove 5 and arrange to escape canal 5.1 in, pier 2 position in the overpass, the ponding gets into the second drain pipe 6.2 water inlet of planting tank bottom in the escape canal 5.1, second drain pipe 6.2 sets up near the crossbeam department in the overpass case roof beam, hide inside the case roof beam, roof department second drain pipe 6.2 imbeds the lower limb department and leads to the incasement, hug closely the case roof beam inner wall again and lead to the bottom plate intermediate position. The drainage pipe in the viaduct box girder 1 passes through the box girder bottom plate middle position and sets up the inspection socket and is connected with third drainage pipe 6.3 in the pier with rubber tube 9, and third drainage pipe 6.3 lower extreme links to each other with ground sump pit 7 in the pier, and sump pit 7 links to each other with drainage pit 8 through fourth drainage pipe 6.4, with the drainage in drainage pit 8.

The above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same, and although the present invention is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. A bridge deck greening drainage system of an urban viaduct comprises viaduct box girders (1), viaduct middle piers (2), anti-collision guardrails (3) and viaduct guardrails (4), and is characterized in that planting grooves (5) are arranged between the anti-collision guardrails (3) on one side with a lower gradient of the viaduct and the viaduct guardrails (4), drainage ditches (5.1), porous water seepage partition plates (5.2), ceramsite layers (5.3) and planting soil layers (5.4) are sequentially arranged in the planting grooves (5) from bottom to top, a plurality of first drainage pipes (6.1) are arranged at the bottom of the anti-collision guardrails (3) at intervals, the road surface of the viaduct box girders (1) is connected with the drainage ditches (5.1) through first drainage pipes (6.1), second drainage pipes (6.2) are arranged at the bottom of the drainage ditches (5.1), and the other ends of the second drainage pipes (6.2) extend to the bottom of the viaduct box girders (1), and is connected with a third drain pipe (6.3) through a rubber pipe (9), and the other end of the third drain pipe (6.3) extends to the bottom of the pier (2) in the viaduct and is connected with a water collecting well (7).

2. The bridge deck greening drainage system for the urban viaduct as claimed in claim 1, wherein: the ceramsite layer (5.3) is wrapped by water-permeable geotextile.

3. The bridge deck greening drainage system for the urban viaduct as claimed in claim 1, wherein: and drip irrigation equipment (5.5) is also arranged on the planting soil layer (5.4).

4. The bridge deck greening drainage system for the urban viaduct as claimed in claim 1, wherein: and a water seepage material is arranged at the inlet of the first drainage pipe (6.1) facing the pavement of the viaduct.

5. The bridge deck greening drainage system for the urban viaduct as claimed in claim 1, wherein: the water collecting well (7) is connected with the drainage well (8) through a fourth drainage pipe (6.4).

6. The bridge deck greening drainage system for the urban viaduct as claimed in claim 1, wherein: the first drain pipe (6.1), the second drain pipe (6.2), the third drain pipe (6.3) and the fourth drain pipe (6.4) are all galvanized steel pipes.