CN217839554U

CN217839554U - Super high section drainage system of white plus black road surface of extension project

Info

Publication number: CN217839554U
Application number: CN202220814951.2U
Authority: CN
Inventors: 黄超
Original assignee: CCCC SHEC Third Highway Engineering Co Ltd
Current assignee: CCCC SHEC Third Highway Engineering Co Ltd
Priority date: 2022-04-11
Filing date: 2022-04-11
Publication date: 2022-11-18
Anticipated expiration: 2032-04-11

Abstract

The utility model discloses a white super high section drainage system on blackened road surface of enlargement engineering, including horizontal drain pipe foundation ditch, set up horizontal drain pipe, well vertical ditch of branch area, embankment rapid trough, escape canal, packing concrete and the concrete upper base layer in horizontal drain pipe foundation ditch, the vertical ditch of well branch area sets up near central median, horizontal drain pipe is along transversely setting up and connecting vertical ditch of branch area and embankment rapid trough, the export of embankment rapid trough is connected with the escape canal, the escape canal sets up along road surface length direction, it sets gradually in horizontal drain pipe's top to fill concrete and concrete upper base layer. The utility model is used for the setting of the horizontal drain pipe of white plus black road surface superelevation section of enlargement engineering realizes the normal drainage on superelevation road surface, and the bar planting that punches at the middle part of concrete upper base layer sets up the pull rod and reconnects the concrete, and the bituminous surface layer of building again accomplishes burying underground of the horizontal drain pipe of superelevation section, prevents that surface gathered water from influencing driving safety.

Description

Super high section drainage system of white plus black road surface of extension project

Technical Field

The utility model relates to a road surface construction technical field, concretely relates to white blackened road surface superelevation section drainage system of extension engineering.

Background

During the extension construction of the super-high section of the highway, because the road surface is widened, the water collection amount is increased, the original transverse drain pipe cannot meet the drainage requirement after traffic is communicated, and in addition, the original transverse drain pipe and the middle belt longitudinal ditch are in a blocked state after years of operation of the highway, normal drainage cannot be realized, and super-high section transverse drainage facilities need to be constructed again.

SUMMERY OF THE UTILITY MODEL

The utility model provides an extension engineering white blackened road surface superelevation section drainage system has solved and has reformed extension in-process superelevation section drainage problem.

In order to achieve the above object, the utility model provides a following technical scheme: the ultrahigh-section drainage system for the white and black pavement in the extension project comprises a transverse drainage pipe foundation pit, a transverse drainage pipe arranged in the transverse drainage pipe foundation pit, a median longitudinal ditch, an embankment rapid trough, a drainage ditch, filled concrete and a concrete upper base layer, wherein the median longitudinal ditch is arranged near a central separation zone, the transverse drainage pipe is transversely arranged and connected with the median longitudinal ditch and the embankment rapid trough, an outlet of the embankment rapid trough is connected with the drainage ditch, the drainage ditch is arranged along the length direction of the pavement, and the filled concrete and the concrete upper base layer are sequentially arranged above the transverse drainage pipe.

Preferably, the transverse drain pipe foundation pits are arranged and excavated at the ultrahigh section along the route at intervals of 20 m.

Preferably, the diameter of the transverse drain pipe is 42cm.

Preferably, the middle part of the concrete upper base layer is provided with a pull rod to reconnect the concrete at the two sides.

Preferably, the pull rod is made of deformed steel with the diameter of 16mm and is arranged at equal intervals along the cutting section in a punching and bar planting mode.

Preferably, the filling width of the concrete upper base layer is larger than that of the filling concrete, and the concrete upper base layer and the filling concrete form an overlapping step.

Preferably, the filled concrete is lean concrete.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model is used for in the construction is buried underground to the horizontal drain pipe in white plus black road surface super high section of enlargement engineering, there is the enlargement engineering that guarantees to lead to the requirement, through on the road surface of having been under construction the completion, adopt the saw cutting to excavate the horizontal drain pipe underground with the mode that machinery abolished, install the horizontal drain pipe back layering and pack the concrete, it sets up the pull rod to punch the bar planting at the middle part of concrete upper base layer and reconnect the concrete, the bituminous surface layer is built again, accomplish burying underground of the horizontal drain pipe in super high section, guarantee super high section road surface normal drainage, prevent that surface ponding from influencing driving safety.

Drawings

FIG. 1 is a schematic structural diagram of an ultra-high section drainage system for white-plus-black pavement in the extension project of the present invention;

FIG. 2 is a schematic cross-sectional structure diagram of the ultra-high section drainage system of the white-plus-black pavement of the extension project of the present invention;

wherein: 1. the method comprises the following steps of (1) carrying a longitudinal ditch in the middle, 2, an embankment rapid trough, 3, a drainage ditch, 4, a transverse drainage pipe, 5, filling concrete, 6, an old road, 7, expanding a road, 8, a concrete upper base layer, 9, a pull rod, 10 and an asphalt surface layer.

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. 1-2, the specific implementation of the uncovered structure schematic diagram of the present invention is: the ultrahigh-section drainage system for the white and black pavement in the extension project comprises a transverse drainage pipe foundation pit, a transverse drainage pipe 4 arranged in the transverse drainage pipe foundation pit, a median longitudinal water ditch 1, an embankment rapid trough 2, a drainage ditch 3, filled concrete 5 and a concrete upper base layer 8, wherein the median longitudinal water ditch 1 is arranged near a central dividing strip, the transverse drainage pipe 4 is transversely arranged and connected with the median longitudinal water ditch 1 and the embankment rapid trough 2, the embankment rapid trough 2 is arranged along the slope surface of the embankment, an outlet of the embankment rapid trough 2 is connected with the drainage ditch 3, the drainage ditch 3 is arranged along the length direction of the pavement, the water flow direction is that ultrahigh pavement water flows transversely into the median longitudinal water ditch 1 and flows into the drainage ditch 3 through the transverse drainage pipe 4 and the embankment rapid trough 2, and the filled concrete 5 and the concrete upper base layer 8 are sequentially arranged above the transverse drainage pipe 4.

Preferably, the transverse drain pipe foundation pit is arranged and excavated at the ultrahigh section along the route at intervals of 20m, the road surface is excavated and formed according to the design size by adopting a saw cutting and mechanical breaking method, specifically, the road surface structure layer is cut by using a saw, the broken road surface structure layer is broken by using breaking hammering, and then the road surface structure layer is excavated to the design elevation by using an excavator.

Preferably, the diameter of the transverse drain pipe 4 is 42cm.

Preferably, a pull rod 9 is arranged in the middle of the concrete upper base layer 8 to reconnect the concrete on the two sides.

Preferably, the pull rod 9 is made of deformed steel with the diameter of 16mm and is arranged at equal intervals along the cutting section in a punching and bar planting mode.

Preferably, the filling width of the concrete upper base layer 8 is larger than that of the filling concrete 5, and the concrete upper base layer 8 and the filling concrete 5 form an overlapping step.

Preferably, the filling concrete 5 is lean concrete to improve drainage.

The utility model discloses specific work progress is: the method comprises the steps of constructing and expanding a road 7, an embankment rapid trough 2 and a drainage ditch 3 on the side of an ultrahigh-section old road 6 of the expressway, cutting off a pavement structure layer by using a saw in the ultrahigh section with finished pavement construction after traffic is converted into a half-width bidirectional traffic, chiseling off the cut pavement structure layer by using a mechanical breaking method, excavating a foundation pit to a designed elevation by using an excavator, installing a transverse drainage pipe 4, connecting one end of the transverse drainage pipe 4 with a middle-divided longitudinal ditch 1, connecting the other end of the transverse drainage pipe with the embankment rapid trough 2, connecting the embankment rapid trough 2 with the drainage ditch 3, pouring and filling base layer concrete 5 to the bottom of an upper concrete base layer 8, arranging a pull rod 9 in the upper concrete base layer 8 in a punching and bar planting mode, and paving an asphalt surface layer 10 after pouring the upper concrete base layer 8 to form the ultrahigh-section pavement transverse drainage system.

Although 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 alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The ultrahigh-section drainage system for the white and black pavement in the extension project is characterized by comprising a transverse drainage pipe foundation pit, a transverse drainage pipe (4) arranged in the transverse drainage pipe foundation pit, a median longitudinal ditch (1), an embankment rapid trough (2), a drainage ditch (3), filled concrete (5) and a concrete upper base layer (8), wherein the median longitudinal ditch (1) is arranged near a central separation zone, the transverse drainage pipe (4) is transversely connected with the median longitudinal ditch (1) and the embankment rapid trough (2), the embankment rapid trough (2) is arranged along the slope surface of the embankment, an outlet of the embankment rapid trough (2) is connected with the drainage ditch (3), the drainage ditch (3) is arranged along the length direction of the road surface, and the filled concrete (5) and the concrete upper base layer (8) are sequentially arranged above the transverse drainage pipe (4).

2. The extension project white blackened pavement ultra-high section drainage system of claim 1, wherein the transverse drain pipe foundation pits are excavated along the route at intervals of 20m at the ultra-high section.

3. Extension works blackened pavement ultra-high section drainage system according to claim 1, characterized in that the diameter of the transverse drainage pipe (4) is 42cm.

4. The ultra-high section drainage system for the white blackened pavement of the extension project as claimed in claim 1, wherein a pull rod (9) is arranged in the middle of the concrete upper base layer (8) to reconnect the concrete on two sides.

5. The ultra-high section drainage system for the white and black pavement of the extension project is characterized in that the pull rods (9) are made of deformed steel bars with the diameter of 16mm and are arranged at equal intervals along the cutting section in a punching and bar planting mode.

6. The ultra-high section drainage system for the white blackened pavement of the extension project is characterized in that the filling width of the concrete upper base layer (8) is larger than that of the filling concrete (5), and the concrete upper base layer (8) and the filling concrete (5) form a lap step.

7. Extension work white-plus-black pavement ultra-high section drainage system according to claim 1, characterized in that the filler concrete (5) is lean concrete.