CN211142679U

CN211142679U - Airport roadbed settlement prevention facility with recycled concrete pavement bricks

Info

Publication number: CN211142679U
Application number: CN201921661936.3U
Authority: CN
Inventors: 刘嘉诚
Original assignee: Shanghai Longji Construction Co ltd
Current assignee: Shanghai Longji Construction Co ltd
Priority date: 2019-09-30
Filing date: 2019-09-30
Publication date: 2020-07-31
Anticipated expiration: 2029-09-30

Abstract

The utility model relates to an airport road bed prevents subsiding facility with recycled concrete pavior brick relates to the technical field of road bed, including concrete pavement brick layer, concrete pavement brick layer bottom is provided with thin sand bed, and thin sand bed bottom is provided with and is arched waterproof board, and the waterproof board lower floor is provided with the rammer layer, rammer layer bottom is provided with the lower surface and is the horizontally road bed layer, is provided with the collecting vat of collecting the rainwater on the road bed layer that is located the arched both ends of waterproof board. The utility model discloses an arched waterproof board flows to the collection inslot to on this reduces the long-pending concrete pavement brick layer that exists of rivers, reduced rivers and stored up the corruption to the concrete pavement brick layer, reduced the probability of the phenomenon of inhomogeneous settlement appearing in the concrete pavement brick layer with this.

Description

Airport roadbed settlement prevention facility with recycled concrete pavement bricks

Technical Field

The utility model belongs to the technical field of the technique of road bed and specifically relates to a facility is prevented subsiding by airport road bed with recycled concrete pavior brick is related to.

Background

The roadbed is a structure which is formed by filling or excavation and directly supports the track. And constructing a roadbed under good geological, hydrological and climatic conditions. The material for constructing the roadbed, whether filling or digging, is mainly the earth-rock discrete material, so the roadbed is a geotechnical structure. Therefore, the roadbed is often attacked and damaged by changes of natural conditions such as geology, water, rainfall, climate, earthquake and the like, and the resistance is poor. Therefore, the roadbed is easy to sink wholly and form unevenness due to the action of bearing higher load for a long time, and a vehicle can run on the uneven road surface with certain danger.

Among the prior art, can refer to the chinese utility model patent that the grant bulletin number CN206721592U does, it discloses a highway subgrade settlement prevention facility, including surface course layer, concrete layer, roadbed layer, concrete layer's upper surface lays the surface course layer, and concrete layer's lower part sets up roadbed layer, roadbed layer includes upper portion rammer layer, middle part rammer layer, bottom rammer layer, just a plurality of support posts are set up in the roadbed layer, support post's surface sets up the depression bar, and sets up the support base piece in roadbed layer's lower part.

The technical scheme has the following defects: the pavement layer and the concrete layer do not have the effect of drainage, so ponding accumulates easily on the pavement layer, leads to the pavement layer slowly to be corroded by water to can make the pavement layer phenomenon of uneven settlement appear.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an airport road bed prevents subsiding facility with recycled concrete pavior brick has reduced rivers and has stored up the corruption to the concrete road surface brick layer to this has reduced the probability that the phenomenon of uneven settlement appears in the concrete road surface brick layer.

The above object of the present invention is achieved by the following technical solutions:

the utility model provides an airport road bed prevents subsiding facility with recycled concrete pavior brick, includes concrete pavement brick layer, concrete pavement brick layer bottom is provided with thin sand bed, thin sand bed bottom is provided with and is arched waterproof board, the waterproof board lower floor is provided with the rammer layer, rammer layer bottom is provided with the lower surface and is horizontally roadbed layer, be provided with the collecting vat of collecting the rainwater on the roadbed layer top.

By adopting the technical scheme, the water flow passes through the concrete pavement brick layer and flows to the fine sand layer, and then the water flow flows into the collecting groove through the arched waterproof plate, so that the water flow accumulation on the concrete pavement brick layer is reduced, the corrosion of the water flow accumulation on the concrete pavement brick layer is reduced, and the probability of the phenomenon of uneven settlement of the concrete pavement brick layer is reduced.

Preferably, two rows of flow guide pipes which are obliquely arranged and guide rainwater in the fine sand layer to the collecting tank are arranged on the fine sand layer above the waterproof plate at intervals.

Through adopting above-mentioned technical scheme, through the setting of honeycomb duct, with the intraformational rivers direction collecting vat of fine sand, reduced rivers and stored up the intraformational probability of fine sand, improved the water passing efficiency in fine sand layer to this has reduced rivers and has stored up on concrete pavement brick layer.

Preferably, the outer side wall of one side, far away from the waterproof plate, of the guide pipe is provided with water permeable holes along the axis array of the guide pipe.

Through adopting above-mentioned technical scheme, through the hole of permeating water that the array set up, can be more pass through honeycomb duct direction collecting vat with the intraformational water of fine sand, can further improve the efficiency of rivers through fine sand layer.

Preferably, a waterproof film layer is arranged between the waterproof plate and the fine sand layer.

Through adopting above-mentioned technical scheme, through the setting of waterproof rete, reduced rivers and flowed to the rammed earth layer of lower floor on, reduced rivers and to the corruption of rammed earth layer.

Preferably, both ends of the waterproof board arch are provided with vertical supporting plates.

By adopting the technical scheme, the waterproof board is supported by the supporting board, so that the supporting force of the waterproof board on the fine sand layer and the concrete pavement brick layer is increased, and the probability of the phenomenon of uneven settlement of the concrete pavement brick layer is reduced.

Preferably, the collecting groove is obliquely arranged along the length direction of the collecting groove, and a water passing pipe communicated with the collecting groove is arranged on the side wall of the lower side of the collecting groove.

Through adopting above-mentioned technical scheme, the rivers of collecting vat are discharged through the water pipe, through the collecting vat slope setting, rivers can be faster discharge from the collecting vat in, have improved the drainage efficiency of collecting vat.

Preferably, the inner side wall of the collecting tank is provided with supporting tables at intervals, and the supporting tables are provided with filter screens in an erected mode.

Through adopting above-mentioned technical scheme, filter the impurity of the aquatic that flows in the collecting vat through the filter screen, reduced the probability that impurity blockked up the collecting vat, when impurity was too much on the filter screen, take out the filter screen and wash the impurity on the filter screen.

Preferably, a handle is arranged on the side wall of the filter screen close to one side of the top end of the collecting tank.

Through adopting above-mentioned technical scheme, through the setting of handle to the staff borrows the power when taking out the filter screen.

To sum up, the utility model discloses a beneficial technological effect does:

1. the water flow is reduced by the arched waterproof plate flowing into the collecting groove, so that the water flow is accumulated on the brick layer of the concrete pavement, the corrosion of the water flow accumulation on the brick layer of the concrete pavement is reduced, and the probability of uneven settlement of the brick layer of the concrete pavement is reduced;

2. the arrangement of the water permeable holes and the flow guide pipe guides the water flow in the fine sand layer into the collecting tank, so that the probability of the water flow accumulating in the fine sand layer is reduced, the water passing efficiency of the fine sand layer is improved, and the water flow accumulating on a concrete pavement brick layer is reduced;

3. through the setting of waterproof rete, reduced rivers flow to the rammed earth layer of lower floor on, reduced the corruption of rivers to rammed earth layer.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic structural view of a pavement brick layer, a fine sand layer, a waterproof membrane layer and a waterproof board, wherein the fine sand layer is cut along the axis of a flow guide pipe;

FIG. 3 is a schematic structural view of a waterproof board, a rammed earth layer, a road base layer and a collecting tank;

fig. 4 is an exploded view of a collection tank and screen.

Reference numerals: 10. a pavement brick layer; 11. a fine sand layer; 12. a waterproof sheet; 13. a waterproof film layer; 14. tamping a soil layer; 15. a roadbed layer; 20. a flow guide pipe; 21. water permeable holes; 30. a support bar; 31. a support plate; 40. collecting tank; 41. a water pipe; 50. a support table; 51. filtering with a screen; 52. a handle.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

An anti-settlement facility of an airport subgrade provided with recycled concrete pavement bricks, referring to figure 1,

the concrete pavement brick layer 10 is provided, a fine sand layer 11 is arranged at the bottom of the concrete pavement brick layer 10, and an arched waterproof board 12 is arranged at the bottom of the fine sand layer 11.

Referring to fig. 1 and 2, a rammed earth layer 14 is arranged on the lower layer of the waterproof board 12, a road base layer 15 with a horizontal lower surface is arranged at the bottom of the rammed earth layer 14, and a collecting tank 40 for collecting rainwater is arranged on the top end of the road base layer 15. The water flow flows to the fine sand layer 11 through the concrete pavement brick layer 10, and then flows to the collecting groove 40 through the arched waterproof plate 12, so that the water flow is reduced to be accumulated on the concrete pavement brick layer 10, and the probability of uneven settlement of the concrete pavement brick layer 10 is reduced; a waterproof film layer 13 is arranged between the waterproof board 12 and the fine sand layer 11, the waterproof film layer 13 reduces water flow from flowing to the lower rammed soil layer 14, and corrosion of the water flow to the rammed soil layer 14 is reduced.

Two rows of obliquely arranged guide pipes 20 are arranged on the fine sand layer 11 above the waterproof plate 12 at intervals, the guide pipes 20 guide rainwater in the fine sand layer 11 to the collecting tank 40, and the outer side wall of one side, far away from the waterproof plate 12, of each guide pipe 20 is provided with water permeable holes 21 in an array mode along the axis of each guide pipe 20; the water flow of the fine sand layer 11 flows into the draft tube 20 through the water permeable holes 21 and then flows into the collecting groove 40, so that the efficiency of the water flow passing through the fine sand layer 11 is improved; the both ends of the arch of waterproof board 12 are all fixedly mounted with bracing piece 30, and the one end fixed mounting that the waterproof board 12 was kept away from to bracing piece 30 is vertical backup pad 31, and backup pad 31 supports waterproof board 12, has increased the holding power of waterproof board 12 to fine sand layer 11 and concrete pavement brick layer 10.

Referring to fig. 3 and 4, the collecting groove 40 is obliquely arranged along the length direction of the collecting groove 40, and a water pipe 41 is fixedly installed on the side wall of the lower side of the collecting groove 40; supporting tables 50 are fixedly installed on the inner side walls of the collecting groove 40 at intervals, a filter screen 51 is placed on each supporting table 50, the filter screen 51 filters impurities in water flowing into the collecting groove 40, the probability that the collecting groove 40 is blocked by the impurities is reduced, and when the impurities on the filter screen 51 are excessive, the filter screen 51 is taken out to clean the impurities on the filter screen 51; a handle 52 is fixedly mounted on the side wall of the filter screen 51 near the top end of the collecting tank 40, and the handle 52 is convenient for a worker to use when taking out the filter screen 51.

The working principle of the embodiment is as follows:

the water flow passes through the concrete pavement brick layer 10 to flow onto the fine sand layer 11, and then flows into the collection groove 40 through the draft tube 20 and the waterproof board 12, so that the water flow is reduced to be accumulated on the concrete pavement brick layer 10, and the probability of uneven settlement of the concrete pavement brick layer 10 is reduced.

Filter screen 51 filters the impurity of the aquatic that flows in collecting tank 40, has reduced the probability that impurity blockked up collecting tank 40, and when impurity was too much on filter screen 51, it washs to the impurity on filter screen 51 to take out filter screen 51.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides an airport road bed prevents subsiding facility with recycled concrete pavior brick, includes concrete pavement brick layer (10), its characterized in that: concrete road surface brick layer (10) bottom is provided with fine sand layer (11), fine sand layer (11) bottom is provided with and is arched waterproof board (12), waterproof board (12) lower floor is provided with rammed soil layer (14), rammed soil layer (14) bottom is provided with the lower surface and is horizontally roadbed layer (15), is located be provided with collecting vat (40) of collecting the rainwater on the roadbed layer (15) at waterproof board (12) arched both ends.

2. The airport subgrade settlement-prevention facility provided with the recycled concrete pavement bricks as claimed in claim 1, wherein: and two rows of flow guide pipes (20) which are obliquely arranged and guide rainwater in the fine sand layer (11) to the collecting tank (40) are arranged on the fine sand layer (11) above the waterproof plate (12) at intervals.

3. The airport subgrade settlement-prevention facility provided with the recycled concrete pavement bricks as claimed in claim 2, wherein: and the outer side wall of one side of the draft tube (20) far away from the waterproof plate (12) is provided with water permeable holes (21) along the axis array of the draft tube (20).

4. The airport subgrade settlement-prevention facility provided with the recycled concrete pavement bricks as claimed in claim 1, wherein: and a waterproof film layer (13) is arranged between the waterproof plate (12) and the fine sand layer (11).

5. The airport subgrade settlement-prevention facility provided with the recycled concrete pavement bricks as claimed in claim 1, wherein: the arched two ends of the waterproof board (12) are provided with vertical supporting plates (31).

6. The airport subgrade settlement-prevention facility provided with the recycled concrete pavement bricks as claimed in claim 1, wherein: the collecting groove (40) is obliquely arranged along the length direction of the collecting groove (40), and a water passing pipe (41) communicated with the collecting groove (40) is arranged on the side wall of the lower side of the collecting groove (40).

7. The airport subgrade anti-settlement facility with the recycled concrete pavior bricks as in claim 6, characterized in that the inside walls of said collection tank (40) are provided with support tables (50) at intervals, and said support tables (50) are provided with filter screens (51) on the upper frame.

8. The airport subgrade settlement-prevention facility provided with the recycled concrete pavement bricks as claimed in claim 7, wherein: and a handle (52) is arranged on the side wall of the filter screen (51) close to one side of the top end of the collecting tank (40).