CN213928447U

CN213928447U - Corrugated steel drainage ditch structure

Info

Publication number: CN213928447U
Application number: CN202023210614.2U
Authority: CN
Inventors: 陈宪民; 赵建华; 鲁楠
Original assignee: Xi'an Century Metal Structure Co ltd
Current assignee: Xi'an Century Metal Structure Co ltd
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2021-08-10
Anticipated expiration: 2030-12-28

Abstract

The utility model discloses a corrugated steel drainage ditch structure, which is arranged in a preset or excavated channel and comprises a drainage ditch body, wherein the drainage ditch body is arranged at the bottom of the channel, a corrugated steel upper cover body is arranged above the opening of the drainage ditch body, the corrugated steel upper cover body is formed by connecting a plurality of corrugated steel plates along the length direction of the corrugated steel plates, and a plurality of groups of drain holes are arranged on the corrugated steel plates at equal intervals; gravel is backfilled in a channel above the corrugated steel upper cover body to form a gravel drainage base layer, the gravel is larger than the inner diameter of the water drain hole, and a porous concrete drainage base layer and an asphalt stabilized gravel drainage base layer are sequentially arranged above the gravel drainage base layer. The corrugated steel upper cover body or the corrugated steel pipeline of the utility model adopts the prefabrication and assembly technology, and the corrugated steel is connected with the drainage ditch body after being formed by flange connection, so that the assembly and the assembly are simple, rapid, trouble-saving and labor-saving; and simultaneously, the utility model provides a good infiltration effect can accomplish tunnel road surface and ordinary road surface ponding drainage.

Description

Corrugated steel drainage ditch structure

Technical Field

The utility model belongs to the technical field of drainage engineering, especially, relate to a corrugated steel escape canal structure.

Background

The tunnel water-proof and drainage measures are adopted for ensuring that the tunnel building cannot cause diseases due to water leakage, endanger driving safety, corrode equipment in a tunnel and reduce the service life of the structure.

When precipitation or leakage water occurs, rainwater is collected on a hardened pavement, so that the running safety of a vehicle is influenced, the pavement structure is easily damaged by the accumulated water under the static load and dynamic load effects of the vehicle, and the service life of the pavement is shortened. Meanwhile, the accumulated water is drained into a sewer through a ground drainage slope or an earth surface ditch and can enter an underground drainage system only through surface runoff for a long distance, and the process easily causes the accumulated water to be dissolved in a large amount of surface pollutants, so that the erosion damage to the road surface is aggravated.

Therefore, a drainage ditch structure which is solid and can drain water on tunnel pavements and ordinary pavements in time is needed.

SUMMERY OF THE UTILITY MODEL

The utility model provides the technical problem that solves provides a corrugated steel escape canal structure, solves prior art's problem.

In order to achieve the above purpose, the technical scheme of the utility model is as follows:

a corrugated steel drainage ditch structure is arranged in a preset or excavated channel and comprises a drainage ditch body, wherein the drainage ditch body is arranged at the bottom of the channel; gravel is backfilled in a channel above the corrugated steel upper cover body to form a gravel drainage base layer, the gravel is larger than the inner diameter of the water drain hole, and a porous concrete drainage base layer and an asphalt stabilized gravel drainage base layer are sequentially arranged above the gravel drainage base layer.

Furthermore, the drainage ditch body is of a rectangular concrete ditch-shaped structure with an open upper end, angle steel is embedded at the upper end of the side wall of the drainage ditch body, and the two sides of the corrugated steel upper cover body are connected with the angle steel at the two ends of the drainage ditch body through threads.

Furthermore, the escape canal ditch body is for building the escape canal ditch body, and it includes the C15 concrete cushion of bottom, sets up the brick lateral wall above the C15 concrete cushion, sets up the cement mortar layer outside the brick lateral wall.

Furthermore, the drainage ditch body is a precast concrete drainage ditch.

Further, a plurality of the corrugated steel plates are connected into a sheet by flanges at both ends thereof.

A corrugated steel drainage ditch structure is arranged in a preset or excavated channel and comprises a corrugated steel pipe formed by connecting a plurality of sections of corrugated steel pipe units end to end, wherein the corrugated steel pipe units are formed by machining corrugated steel plates, and a plurality of groups of water drainage holes are formed in the upper semicircle of each corrugated steel pipe; gravel is backfilled in a channel above the corrugated steel pipeline to form a gravel drainage base layer, the gravel is larger than the inner diameter of the drainage hole, and a porous concrete drainage base layer and an asphalt stabilized gravel drainage base layer are sequentially arranged above the gravel drainage base layer.

Furthermore, the corrugated steel pipe units are connected into a sheet by the flange plates at two ends of the corrugated steel pipe units.

The utility model has the advantages that:

the corrugated steel upper cover body or the corrugated steel pipeline of the utility model adopts the prefabrication and assembly technology, the corrugated steel is connected with the drainage ditch body after being formed by flange connection, the assembly and the assembly are simple, rapid, trouble-saving and labor-saving, and the comprehensive cost is greatly reduced; the corrugated steel of the supporting main body of the utility model has excellent strength and supporting capacity, and provides good bearing capacity for the road surface; and simultaneously, the utility model discloses multiunit outlet has been seted up at equidistant on corrugated steel upper cover body or the corrugated steel pipeline, and gravel drainage basic unit is stabilized to outlet top space packing gravel, concrete drainage basic unit and pitch, and upper surface void fraction is big, and inside space intercommunication provides good infiltration effect, can accomplish tunnel pavement and ordinary road surface ponding drainage.

Drawings

Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention;

fig. 2 is a schematic structural view of an upper cover body of corrugated steel according to embodiment 1 of the present invention;

fig. 3 is a schematic structural diagram of embodiment 2 of the present invention;

in the figure, 1-a drainage ditch body, 2-a corrugated steel upper cover body, 3-a drainage opening, 4-a gravel drainage base layer, 5-a porous concrete drainage base layer, 6-an asphalt stabilized gravel drainage base layer, 7-angle steel, 8-a flange plate, 9-a corrugated steel plate and 10-a corrugated steel pipeline.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings and examples, and it is obvious that the described examples are only some of the examples of the present invention, not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Following use tunnel drainage as the example, right the utility model discloses further explain, nevertheless need explain, the utility model discloses a drainage ditch structure also can be applicable to the ponding drainage scene in areas such as general road area, parking terrace, square:

example 1:

referring to fig. 1, a corrugated steel drainage ditch structure can be arranged on one side, two sides and in a central manner of a tunnel; this ripple steel escape canal structure sets up in presetting or in the channel that the excavation formed, lid 2 on 1 and the ripple steel of escape canal ditch, the channel bottom is located to escape canal ditch body 1, can be for precast concrete escape canal or build by laying bricks or stones the escape canal ditch body, in this embodiment, the escape canal ditch body is in other embodiments of upper end open-ended rectangle concrete ditch shape structure, the escape canal ditch body also can be U type structure, angle steel 7 is buried underground to the lateral wall upper end of escape canal ditch body, the angle steel fixed connection at screw thread and 1 both ends of escape canal ditch body is passed through to the both sides of lid 2 on the ripple steel. The corrugated steel upper cover body 2 is formed by connecting a plurality of corrugated steel plates along the length direction, and a plurality of groups of water drainage holes 3 are arranged on the corrugated steel plates 9 at equal intervals; backfilling gravel in the channel above the corrugated steel upper cover body 2 to form a gravel drainage base layer 4, wherein the gravel is larger than the inner diameter of the drain hole 3, a porous concrete drainage base layer 5 and a pitch stabilized gravel drainage base layer 6 are sequentially arranged above the gravel drainage base layer 4, the porosity of the upper layer is large, the inner gaps are communicated, a good permeation effect is provided, and accumulated water drainage of a tunnel road can be completed.

When escape canal ditch body 1 was for building by laying bricks or stones the escape canal ditch body, it included the C15 concrete cushion of bottom, set up the brick lateral wall above the C15 concrete cushion, set up the cement mortar layer outside the brick lateral wall.

Referring to fig. 2, in the present embodiment, a plurality of the deck plates 9 are welded to each other by flanges 8 at both ends thereof. In other embodiments, a plurality of said corrugated steel plates 9 are bolted by flanges 8 at their two ends.

The interval of the wall thickness of the corrugated steel plate is 2.5 mm-12 mm, the wave distance and wave height type comprises 380mm 140mm, 150mm 50mm, 200mm 55mm, 230mm 64mm, 300mm 110mm or 400mm 150mm, and the material of the steel plate comprises Q345, Q235 or Q355.

Example 2:

referring to fig. 3, a corrugated steel drainage ditch structure, which is arranged in a preset or excavated channel, comprises a corrugated steel pipe 10 formed by connecting a plurality of sections of corrugated steel pipe units end to end, wherein the corrugated steel pipe unit is formed by machining corrugated steel plates, and a plurality of groups of drainage holes 3 are formed in the upper semicircle of the corrugated steel pipe 10; gravel is backfilled in a channel above the corrugated steel pipeline 10 to form a gravel drainage base layer 4, the gravel is larger than the inner diameter of the drain hole 3, and a porous concrete drainage base layer 5 and an asphalt stabilized gravel drainage base layer 6 are sequentially arranged above the gravel drainage base layer 4.

The corrugated steel pipe units are welded and connected through flanges at two ends of the corrugated steel pipe units, and in other embodiments, the corrugated steel pipe units are bolted through the flanges at two ends of the corrugated steel pipe units.

It is right to have used specific individual example above the utility model discloses expound, only be used for helping to understand the utility model discloses, not be used for the restriction the utility model discloses. Any partial modification or replacement within the technical scope of the present invention disclosed by the present invention should be covered by the present invention.

Claims

1. The corrugated steel drainage ditch structure is characterized by being arranged in a preset or excavated channel and comprising a drainage ditch body (1), wherein the drainage ditch body (1) is arranged at the bottom of the channel, a corrugated steel upper cover body (2) is arranged above an opening of the drainage ditch body (1), the corrugated steel upper cover body (2) is formed by connecting a plurality of corrugated steel plates along the length direction of the corrugated steel plates, and a plurality of groups of water drain holes (3) are formed in the corrugated steel plates (9) at equal intervals; gravel is backfilled in a channel above the corrugated steel upper cover body (2) to form a gravel drainage base layer (4), the gravel is larger than the inner diameter of the water drain hole (3), and a porous concrete drainage base layer (5) and an asphalt stabilized gravel drainage base layer (6) are sequentially arranged above the gravel drainage base layer (4).

2. The corrugated steel drainage ditch structure according to claim 1, wherein the drainage ditch body (1) is a rectangular concrete ditch-shaped structure with an open upper end, and angle steel (7) is embedded in the upper end of the side wall of the drainage ditch body, and both sides of the corrugated steel upper cover body (2) are connected with the angle steel at both ends of the drainage ditch body (1) through threads.

3. A corrugated steel drain structure according to claim 2, wherein the drain body (1) is a masonry drain body comprising a bottom mat of C15 concrete, a masonry side wall being provided over the C15 concrete mat, and a layer of cement mortar being provided over the masonry side wall.

4. The corrugated steel gutter structure according to claim 2, characterised in that the gutter body (1) is a prefabricated concrete gutter.

5. The corrugated steel gutter structure according to claim 3 or 4, wherein a plurality of the corrugated steel plates (9) are connected to each other by flanges (8) at both ends thereof to form a sheet.

6. A corrugated steel drainage ditch structure is characterized by being arranged in a preset or excavated channel and comprising a corrugated steel pipe (10) formed by connecting a plurality of sections of corrugated steel pipe units end to end, wherein the corrugated steel pipe units are machined from corrugated steel plates, and a plurality of groups of drainage holes (3) are formed in the upper semi-circle of the corrugated steel pipe (10); gravel is backfilled in a channel above the corrugated steel pipeline (10) to form a gravel drainage base layer (4), the gravel is larger than the inner diameter of the drain hole (3), and a porous concrete drainage base layer (5) and an asphalt stabilized gravel drainage base layer (6) are sequentially arranged above the gravel drainage base layer (4).

7. The corrugated steel gutter structure according to claim 6, wherein the plurality of corrugated steel pipe units are connected to each other by flanges at both ends thereof to form a sheet.