CN222822013U - Apron drainage base drainage structure - Google Patents

Abstract

The utility model provides a drainage structure of a drainage base layer of an apron, which is used for draining water of the drainage base layer in the pavement structure of the apron, and comprises a drainage ditch body adjacent to the drainage base layer, wherein the drainage base layer forms a drainage path with at least a first water flow direction, the first water flow direction is intersected with the extending direction of the drainage ditch body, and the drainage ditch body is communicated with the drainage base layer in a unidirectional manner in the first water flow direction. By adopting the drainage structure of the apron drainage base layer, the technical problem that in the prior art, the water of the drainage base layer in the apron pavement structure cannot be discharged due to the fact that the water is deposited outside the drainage ditch, so that the pavement is damaged can be solved.

Description

Drainage structure of apron drainage base layer

Technical Field

The utility model relates to the field of airport engineering, in particular to a drainage structure of a drainage base layer of an apron.

Background

Airport cement concrete pavement usually has water damage disease phenomena such as plate bottom void and mud pumping and the like after the service life is not up to the service life or even after a few years, and domestic and foreign scholars consider that rain water on the pavement surface seeps and underground water vapor turns up to cause a large amount of water to be generated between the pavement bottom and the base layer, so that the pavement is diseased. In recent years, airport pavement is continuously advanced, pavement structure is continuously optimized, a drainage base layer is additionally arranged between a cement concrete pavement and a water stabilization base layer, and the drainage base layer is recommended and adopted by more and more students as a new way for solving the water damage of the pavement. Through the setting of basic unit on the drainage, can pass through the water permeability of drainage basic unit self and the horizontal slope of road surface self with the moisture between cement road surface and the steady basic unit, with these moisture row to road shoulder and soil surface district, and then the outer row.

In practical application, due to condition limitation, a designer often sets a relief valley line inside an apron, meanwhile, a cover plate open ditch is arranged at a corresponding position for collecting the rainwater of the apron, the slope direction of a drainage base layer is consistent with the slope direction of the surface of the apron, at the moment, the water in the drainage base layer cannot be discharged to a road shoulder and a land area, steady gradient is in the direction of a drainage ditch body inside the apron, and the water in the drainage base layer can be accumulated inside a road surface structure around the drainage ditch body of the apron because the side wall of the traditional drainage ditch body of the apron is airtight, so that the drainage base layer of the road surface cannot play a role, and even the damage of the road surface structure is accelerated.

Disclosure of utility model

The utility model aims to provide a drainage structure of a drainage base layer of an apron, which solves the technical problem that in the prior art, water of the drainage base layer in the road surface structure of the apron cannot be discharged due to accumulation outside a drainage ditch, so that diseases appear on the road surface.

In order to achieve the above purpose, the utility model provides a drainage structure of a drainage base layer of an apron, which is used for draining water of the drainage base layer in the apron pavement structure, and comprises a drainage ditch body arranged adjacent to the drainage base layer, wherein the drainage base layer forms a drainage path with at least a first water flow direction, the first water flow direction is intersected with the extending direction of the drainage ditch body, and the drainage ditch body is communicated with the drainage base layer in a unidirectional manner in the first water flow direction.

Compared with the prior art, the utility model has the beneficial effects that:

According to the drainage structure of the drainage base layer of the apron, the drainage ditch body is arranged in the apron and adjacent to the drainage base layer, so that water in the drainage base layer of the pavement structure is provided with a drainage path, the water can enter the inner cavity of the drainage ditch body in a self-draining manner, the drainage base layer in the pavement structure is communicated with an airport drainage system in a connection manner, water deposited around the drainage ditch body of the apron can be drained, and meanwhile, the water is prevented from entering the drainage base layer from the inner cavity of the drainage ditch body, and rainwater is prevented from flowing backwards. The drainage base layer drainage structure is matched with the pavement drainage base layer, so that pavement water damage is effectively reduced, and the service life of the pavement is prolonged.

Preferably, a one-way drainage assembly is arranged between the drainage ditch body and the drainage base layer, the one-way drainage assembly comprises a drainage pipe and a check valve arranged on the drainage pipe, a water inlet end of the drainage pipe is communicated with the drainage base layer, a water outlet end of the drainage pipe is communicated with an inner cavity of the drainage ditch body, and the check valve is used for preventing water from flowing through the drainage pipe from entering the drainage base layer from the drainage ditch body.

Preferably, the drain pipe extends downward from the water inlet end to the water outlet end with a preset gradient.

Preferably, the one-way drainage assembly further comprises a water collecting pipe connected with the water inlet end of the water drain pipe, the water collecting pipe is arranged in the drainage base layer, and a plurality of water inlet holes are distributed on the surface of the water collecting pipe.

Preferably, the water collecting pipe is attached to the outer wall of the drainage ditch body.

Preferably, a water stop is arranged at the bottom of the drainage base layer and at one side of the drainage base layer facing the drainage ditch body.

Drawings

For a clearer description of embodiments of the present utility model, a brief description will be given of the drawings required for the embodiments, it being apparent that the drawings in the following description are some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person of ordinary skill in the art.

Fig. 1 is a schematic structural diagram of a drainage structure of an apron drainage base according to the present utility model;

FIG. 2 is a cross-sectional view of a check valve provided by the present utility model;

FIG. 3 is a schematic diagram of a connection structure of a check valve according to the present utility model;

FIG. 4 is a schematic view of a water collection pipe according to the present utility model;

fig. 5 is a schematic diagram of connection between a water collecting pipe and a drain pipe according to the present utility model.

In the figure, a drainage base layer 1, a cement road surface layer 2, a cement macadam base layer 3, a drainage ditch body 4, an outer wall 41, an inner cavity 42, a drain pipe 5, a check valve 6, fan blades 61, inner threads 62, a water collecting pipe 7, a water inlet hole 71, a turning head 8 and a water stop belt 9 are shown.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Fig. 1 is a schematic structural diagram of a drainage structure of an apron drainage base according to the present utility model. As shown in fig. 1, the present embodiment discloses a drainage structure of a drainage base layer of an apron, which is used for draining a drainage base layer in a road surface structure of the apron, and comprises a drainage ditch body 4 arranged adjacent to the drainage base layer 1, wherein the drainage base layer 1 forms a drainage path with at least a first water flow direction, the first water flow direction intersects with the extending direction of the drainage ditch body 4, and the drainage ditch body 4 is communicated with the drainage base layer 1 in a unidirectional manner in the first water flow direction.

Specifically, as shown in fig. 1, the drainage ditch body 4 and the drainage ditch base layer 1 are provided with a one-way drainage assembly, the one-way drainage assembly comprises a drainage pipe 5 and a check valve 6 arranged on the drainage pipe 5, the water inlet end of the drainage pipe 5 is communicated with the drainage ditch base layer 1, and the water outlet end of the drainage pipe 5 is communicated with the drainage ditch body 4.

FIG. 2 is a cross-sectional view of a check valve according to the present utility model. As shown in fig. 2, the non-return valve 6 is provided with an openable and closable vane 61. The fan blade 61 can only be opened unidirectionally, when water flows from the drainage base layer 1 into the drain pipe 5 and flows through the fan blade 61 along the first water flow direction to the inner cavity 42, the fan blade 61 is opened, and when water flows through the fan blade 61 along the opposite direction of the first water flow direction, the fan blade 61 is closed, so that rainwater is prevented from flowing back into the drainage base layer when the water level in the drainage ditch rises.

Fig. 3 is a schematic diagram of a connection structure of a check valve according to the present utility model. As shown in fig. 3, the non-return valve 6 is provided with an internal thread 62 for cooperating with an external thread provided on the drain pipe 5 to connect and fix the non-return valve 6 with the drain pipe 5. In other possible embodiments, the non-return valve 6 may also be provided with an external thread, which correspondingly cooperates with an internal thread provided on the drain pipe 5 for fixation, or in other ways known from the prior art.

Specifically, the drain pipe 5 extends downwards from the water inlet end to the water outlet end with a preset gradient, which is beneficial to the rapid drainage of water flow from the drainage base layer. The drain pipes 5 are arranged at regular intervals. In some embodiments, the predetermined slope is 3% and the drain interval is 5m.

Fig. 4 is a schematic structural view of a water collecting pipe provided by the utility model. More specifically, as shown in fig. 4, the unidirectional drainage assembly further includes a water collecting pipe 7 connected to the water inlet end of the drain pipe 5, the water collecting pipe 7 is disposed in the drainage base layer 1, and a plurality of water inlet holes 71 are distributed on the surface of the water collecting pipe 7. In some specific embodiments, the pipe diameter of the water collecting pipe 7 is 50mm, 3-4 rows of water inlet holes 71 which are longitudinally arranged are arranged, the water inlet holes 71 are equidistantly arranged along the periphery of the pipe, and the total area of each linear meter of open pore is not less than 3000mm ², so that water in the drainage layer can be conveniently collected into the water collecting pipe.

Fig. 5 is a schematic diagram of connection between a water collecting pipe and a drain pipe according to the present utility model. In a preferred embodiment, as shown in fig. 5, the water collection pipe 7 is positioned against the outer wall 41 of the drain body 4 so that water within the drain layer can enter the water collection pipe in a first water flow direction. The water collecting pipe 7 is connected with the drain pipe 5 through the turning head 8, water flows through the water collecting pipe 7 along a second water flow direction different from the first water flow direction, enters the drain pipe 5 through the turning head 8, and is discharged into the inner cavity 42 of the drain ditch body 4 through the drain pipe 5.

More specifically, the bottom of the drainage base layer 1 and the side of the drainage base layer 1 facing the drainage ditch body 4 are provided with water stops 9, so that water in the drainage base layer is prevented from being discharged untimely, and the water of the drainage base layer is prevented from penetrating into the lower structure or seeping downwards along the joint part of the drainage base layer and the drainage ditch body, and the lower structure is prevented from being damaged by the seepage. The water stop can be made of asphalt felt and other water-proof materials in the prior art.

The foregoing description of various embodiments of the utility model has been presented to those skilled in the art for the purposes of illustration. It is not intended to be exhaustive or to limit the utility model to the precise embodiments disclosed. As described above, various alternatives and variations of the present utility model will be apparent to those skilled in the art. Thus, while some alternative embodiments have been specifically discussed, other embodiments will be apparent or relatively readily available to those skilled in the art. The present utility model is intended to embrace all alternatives, modifications and variations of the present utility model that have been discussed herein and other embodiments that fall within the spirit and scope of the above-described application.

While the present utility model has been described by way of embodiments, those of ordinary skill in the art will recognize that there are many variations and modifications of the present utility model without departing from the spirit of the utility model, and it is intended that the appended claims encompass such variations and modifications as do not depart from the spirit of the utility model.

Claims (6)

1. The drainage structure of the apron drainage base layer is used for draining the drainage base layer in the apron pavement structure and is characterized by comprising a drainage ditch body adjacent to the drainage base layer, wherein the drainage base layer forms a drainage path with at least a first water flow direction, the first water flow direction is intersected with the extending direction of the drainage ditch body, and the drainage ditch body is communicated with the drainage base layer in a unidirectional mode in the first water flow direction.

2. The apron drainage base drainage structure according to claim 1, wherein a one-way drainage assembly is arranged between the drainage ditch body and the drainage base layer, the one-way drainage assembly comprises a drainage pipe and a check valve arranged on the drainage pipe, a water inlet end of the drainage pipe is communicated with the drainage base layer, a water outlet end of the drainage pipe is communicated with an inner cavity of the drainage ditch body, and the check valve is used for preventing water from flowing through the drainage pipe and entering the drainage base layer from the drainage ditch body.

3. The apron drainage infrastructure drainage structure of claim 2 wherein the down pipe extends downwardly from the water inlet end to the water outlet end at a predetermined slope.

4. The tarmac drainage infrastructure drainage structure of claim 2, wherein the unidirectional drainage assembly further comprises a water collection pipe connected to the water inlet end of the water drain pipe, the water collection pipe being disposed in the drainage infrastructure, the surface of the water collection pipe being provided with a plurality of water inlet holes.

5. The apron drainage infrastructure drainage structure of claim 4 wherein the water collection pipe is attached to the outer wall of the gutter body.

6. The tarmac drainage infrastructure of claim 4, wherein the drainage base layer bottom and the drainage base layer side facing the gutter body are provided with water stops.