CN211200064U - Bridge asphalt pavement under-layer guiding drainage system - Google Patents

Abstract

The application provides a bridge asphalt pavement under-layer guide drainage system, the layer of mating formation of pitch including bridge body, pier and bridge top, layer both sides fixedly connected with anticollision wall is mated formation to pitch, and the bottom and the bridge body upper surface pitch of anticollision wall are mated formation layer fixed connection, and the layer of mating formation of pitch is equipped with the expansion joint of transversal bridge floor every one section interval, and the expansion joint is divided into two sections of height with one section pitch layer of mating formation according to the vertical slope height, and the expansion joint both sides are close to four angles of both sides anticollision wall department and are equipped with four cast iron sluicing grooves, cast iron sluicing groove top is cast iron drainage grate, and the cast iron sluicing groove overcoat has cast iron drainage pipe cover, and cast iron sluicing groove below links to each other with the. This drainage system is led under bridge asphalt pavement layer can be effectively outside the rainwater discharge bridge in the asphalt pavement layer through setting up horizontal, vertical spiral wrap up in a silk infiltration pipe, has improved the bridge drainage ability, effectively prevents the infiltration and erodees the roof beam body.

Description

Bridge asphalt pavement under-layer guiding drainage system

Technical Field

The utility model relates to a bridge drainage technology field especially relates to a bridge pitch is mated formation and is guided drainage system under layer.

Background

When water flow penetrates to the top surface of the waterproof layer of the bridge deck through asphalt concrete pavement of the bridge deck, the water flow can not be quickly discharged, the water flow is slowly gathered to the root of the anti-collision wall and the root of the concrete post-cast strip of the expansion joint along the longitudinal slope and the transverse slope of the bridge, the water flow still seeps at the positions after a few days of rain generally, particularly, when the freezing and thawing environment changes in the northern autumn and winter, driving is influenced, the water flow can seep along the end surfaces of the beams and the end surfaces of the flange plates, and the concrete beams or steel beams can be damaged or rusted under the long-term erosion action of the water flow.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a bridge pitch is mated formation and is led drainage system down has solved the unable normal exhaust problem of rainwater in the bridge pitch layer of mating formation.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a bridge asphalt pavement layer guide drainage system down, includes bridge body, pier and the asphalt pavement layer at bridge roof portion, the asphalt pavement layer both sides fixedly connected with anticollision wall, the bottom and the bridge body upper surface asphalt pavement layer fixed connection of anticollision wall, the asphalt pavement layer is equipped with the expansion joint of transversal bridge floor at every section interval, the expansion joint divide into two highway sections of height according to the vertical slope height with one section asphalt pavement layer, four cast iron sluicing grooves are equipped with to the expansion joint both sides near the four angles of both sides anticollision wall department, cast iron drainage grid is for the cast iron sluicing groove top, the cast iron sluicing groove overcoat has cast iron drainage pipe cover, the sluicing groove below links to each other with the reducing tee bend, the one end of reducing tee bend links to each other with the cast iron drainage pipe, the other end of reducing tee bend links to each other with the expansion joint drainage pipe, supporting, The outer side of the pier extends to the ground, a transverse spiral wrapped wire infiltration pipe is arranged in an asphalt pavement layer of a high road section with a higher longitudinal slope, two ends of the transverse spiral wrapped wire infiltration pipe are respectively connected with cast iron water drainage grooves, close to expansion joints, of the high road section where the transverse spiral wrapped wire infiltration pipe is located and at a lower position of the longitudinal slope, two longitudinal spiral wrapped wire infiltration pipes are further arranged in each road section of the asphalt pavement layer along the vicinity of the root of a beam edge collision-proof wall, two ends of the two longitudinal spiral wrapped wire infiltration pipes are respectively connected with the two cast iron water drainage grooves on the same side of the longitudinal spiral wrapped wire infiltration pipes in the road section, the two longitudinal spiral wrapped wire infiltration pipes are parallel to each other, the transverse spiral wrapped wire infiltration pipes and the longitudinal spiral wrapped wire infiltration pipes are located between an asphalt surface layer and a waterproof layer in.

Preferably, the cast iron drain pipe is provided with a main drain pipe and a branch drain pipe, and the bent parts of all the cast iron drain pipes are inspection port elbows.

Preferably, the cast iron water drainage tank is provided with a plurality of water seepage holes, and the transverse spiral wire wrapping water seepage pipe and the longitudinal spiral wire wrapping water seepage pipe are connected with the water seepage holes.

Preferably, a circle of water stop plate is arranged on the outer side of the casing wall of the cast iron drain pipe.

Preferably, the transverse spiral wire wrapping seepage pipe 7 is a thin pipe with the diameter of 1cm, and the longitudinal spiral wire wrapping seepage pipe 8 is a thick pipe with the diameter of 3.2 cm.

Preferably, the transverse spiral wrapping wire infiltration pipe 7 is drawn upwards along the central line to form an isosceles triangle shape with the horizontal line, and the bottom angle is 5 degrees.

Compared with the prior art, the utility model has the advantages that the utility model discloses a set up the longitudinal screw at the bottom of the anticollision wall and wrap up in a tub pipe and close on the expansion joint position and wrap up in a tub pipe along the bridge floor along the horizontal spiral that sets up of bridge floor and wrap up in a tub pipe and constitute bridge floor guide drainage system, make the rainwater of being detained in the bridge floor asphalt pavement layer converge spiral fast and wrap up in a tub pipe, effectively prevent to ooze along expansion joint, flange board and beam ends erosion beam body.

Drawings

Fig. 1 is a top view of the present invention;

FIG. 2 is a vertical view of the asphalt pavement of the present invention;

FIG. 3 is a schematic view of the structure of the drainage system of the present invention;

FIG. 4 is a schematic structural view of a cast iron water drainage tank 6 according to the present invention;

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-4, the utility model provides a bridge asphalt pavement layer lower guide drainage system, which comprises a beam body 1, a bridge pier 2 and an asphalt pavement layer 3 at the top of the bridge, wherein the asphalt pavement layer 3 comprises an asphalt surface layer, an asphalt bottom layer and a waterproof layer, both sides of the asphalt pavement layer 3 are fixedly connected with an anti-collision wall 4, the bottom of the anti-collision wall 4 is fixedly connected with the asphalt pavement layer 3 on the upper surface of the bridge body, the asphalt pavement layer 3 is provided with expansion joints 5 which cross the bridge floor at intervals, an expansion joint drainage pipe 605 is arranged in the expansion joint 5, the expansion joint divides a section of the asphalt pavement layer 3 into two sections according to the height of the longitudinal slope, four drainage grooves 6 are arranged at four corners of the two sides of the anti-collision wall 4, as shown in fig. 2, the top of the drainage grooves 6 is a drainage grate, a drainage pipe sleeve 602 is sleeved outside the drainage grooves, the outer wall of the cast iron drainage pipe sleeve 602 is provided with a circle of water stop plate, so that the cast iron drainage groove can be effectively isolated from rainwater side leakage to the asphalt pavement layer 3 and outside a drainage system when rainwater is inclined, meanwhile, the cast iron drainage pipe 604 is provided with a main drainage pipeline and branch drainage pipelines, the branch drainage pipelines are all connected with the cast iron drainage groove 6, the main drainage pipeline cannot quickly drain rainwater when rainwater is too much, all bent parts of the cast iron drainage pipe 04 are inspection port elbows, the blockage of the cast iron drainage pipeline 602 caused by accumulation of leaves, sundries and the like is prevented, as shown in the figure 3-4, the lower part of the cast iron drainage groove 6 is connected with a reducing three-way pipe 603, one end of the reducing three-way pipe 603 is connected with the cast iron drainage pipe 604, the other end of the reducing three-way pipe 603 is connected with an expansion joint water drainage pipe 605 to drain the rainwater in the expansion joint, the outer side of the pier 2 extends to the ground, a transverse spiral wire-wrapping water seepage pipe 7 with the diameter of 1cm is arranged in the asphalt pavement layer 3 of a high road section with a higher longitudinal slope, two ends of the transverse water seepage pipe are respectively connected with a water seepage hole 607 of a cast iron water drainage groove 6, which is close to the expansion joint 5, of the high road section with the higher longitudinal slope, two longitudinal spiral wire-wrapping water seepage pipes 8 with the diameter of 3.2cm are arranged near the root of the anti-collision wall 4 on the beam edge in the asphalt pavement layer 3 of each road section, two ends of the two longitudinal spiral wire-wrapping water seepage pipes 8 in the road section are respectively connected with the water seepage holes 607 on the two cast iron water drainage grooves 6 on the same side, the two longitudinal spiral wire-wrapping water seepage pipes 8 are parallel to each other, the transverse spiral wire-wrapping water seepage pipe 7 and the longitudinal spiral wire-wrapping water seepage pipes 8 are both positioned in the asphalt pavement layer 3, a spiral metal branch body is arranged between the, the rainwater can be collected in the infiltration pipe in advance through setting up horizontal spiral wrap up silk infiltration pipe 7 and vertical spiral wrap up silk infiltration pipe 8, makes rivers converge into the outlet pipe fast, avoids the rainwater to flow into expansion joint 5 along the longitudinal slope direction and corrodes the roof beam body, for the rainwater in the better collection pitch layer of mating formation 3, horizontal spiral wrap up silk infiltration pipe 7 upwards pulls along the central line and forms isosceles triangle's shape with the water flat line, and the base angle sets up to 5, makes horizontal spiral wrap up silk infiltration pipe 7 and keeps away from expansion joint 5 as far as possible, avoids horizontal spiral wrap up silk infiltration pipe 7 and flow to expansion joint 5 when collecting the rainwater.

This guide drainage system under bridge asphalt pavement layer, the rainwater falls into on the bridge road surface during the use, the rainwater on 3 surfaces on asphalt pavement layer converges in the cast iron sluicing groove 6 of crashproof wall 4 root along the bridge floor cross slope, the longitudinal slope direction, through reducing tee bend 603, cast iron drain pipe 604, finally flow to ground, the rainwater in 3 interior on asphalt pavement layer slowly converges in horizontal spiral at the longitudinal slope direction and wraps up in silk infiltration pipe 7, slowly converge in vertical spiral at the cross slope direction and wraps up in silk infiltration pipe 8, the rainwater in the silk infiltration pipe is wrapped up in to the spiral passes through reducing tee bend 603 again, cast iron drain pipe 604, finally flow to ground, simultaneously the rainwater in 5 also flows into reducing tee bend 603 by the expansion joint drain pipe, cast iron drain pipe 604, finally flow to ground.

Claims (6)

1. The utility model provides a bridge bituminous paving guides drainage system under layer, includes bituminous paving layer (3) at bridge body (1), pier (2) and bridge top, its characterized in that: the anti-collision structure is characterized in that anti-collision walls (4) are fixedly connected to two sides of the asphalt pavement layer (3), the bottom of each anti-collision wall (4) is fixedly connected with the asphalt pavement layer (3) on the upper surface of the bridge body, expansion joints (5) of a cross bridge floor are arranged at intervals on the asphalt pavement layer (3), expansion joint drain pipes (605) are arranged in the expansion joints (5), one section of the asphalt pavement layer (3) is divided into two sections of high and low by the expansion joints (5) according to the height of a longitudinal slope, four cast iron drainage grooves (6) are arranged at four corners of two sides of each expansion joint (5) close to the anti-collision walls (4) on two sides, a cast iron drainage grate (601) is arranged at the top of each cast iron drainage groove (6), a cast iron drainage pipe sleeve (602) is sleeved outside each cast iron drainage groove (6), the lower part of each cast iron drainage groove (6) is, the other end of the reducing three-way pipe (603) is connected with an expansion joint drain pipe (605), a cast iron drain pipe (604) is fixed on the outer side of the bridge body (1) and the bridge pier (2) by a matched clamp (606) and extends to the ground, a transverse spiral wrapped wire infiltration pipe (7) is arranged in a high road section asphalt pavement layer (3) with a higher longitudinal slope, two ends of the transverse spiral wrapped wire infiltration pipe (7) are respectively connected with a cast iron drainage groove (6) which is close to the expansion joint (5) and is lower than the longitudinal slope in the high road section, two longitudinal spiral wrapped wire infiltration pipes (8) are also arranged in each road section asphalt pavement layer (3) along the vicinity of the root of the beam side anti-collision wall (4), two ends of the two longitudinal spiral wrapped wire infiltration pipes (8) in the road section are respectively connected with the two cast iron drainage grooves (6) on the same side, and the two longitudinal spiral wrapped wire infiltration pipes (8), the transverse spiral wrapped wire infiltration pipe (7) and the longitudinal spiral wrapped wire infiltration pipe (8) are positioned between the lower part of an asphalt surface layer and a waterproof layer in the asphalt pavement layer (3), a spiral metal support body is arranged inside the asphalt pavement layer, and a grid wrapping object is arranged outside the asphalt pavement layer.

2. The system as claimed in claim 1, wherein the cast iron drainage pipe sleeve (602) is provided with a main drainage pipe and a branch drainage pipe, and the bending parts of all the cast iron drainage pipe sleeves (602) are inspection port elbows.

3. The system for guiding and draining water under the asphalt pavement layer of the bridge according to claim 1, wherein a plurality of water seepage holes are arranged on the cast iron drainage groove (6), and the transverse spiral wire-wrapped water seepage pipe (7) and the longitudinal spiral wire-wrapped water seepage pipe (8) are connected with the water seepage holes on the cast iron drainage groove (6).

4. The system as claimed in claim 1, wherein a ring of water stop plate is provided on the outer side of the pipe wall of the cast iron drainage pipe sleeve (602).

5. The system for guiding and draining water under the asphalt pavement layer of the bridge according to claim 1, wherein the transverse spiral wire-wrapped water seepage pipe (7) is a thin pipe with the diameter of 1cm, and the longitudinal spiral wire-wrapped water seepage pipe (8) is a thick pipe with the diameter of 3.2 cm.

6. The system for guiding and draining water under the asphalt pavement of bridges according to claim 1, wherein the transverse spiral wrapping water seepage pipe (7) is drawn upwards along the central line to form an isosceles triangle shape with the horizontal line, and the bottom angle is 5 degrees.

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