CN212103548U

CN212103548U - Sidewalk structure

Info

Publication number: CN212103548U
Application number: CN202020597095.0U
Authority: CN
Inventors: 刘瑜飞; 张文萍
Original assignee: Shaanxi Eternal Garden Engineering Co ltd
Current assignee: Shaanxi Eternal Garden Engineering Co ltd
Priority date: 2020-04-20
Filing date: 2020-04-20
Publication date: 2020-12-08
Anticipated expiration: 2030-04-20

Abstract

The utility model relates to a pavement structure relates to road construction technical field, aims at solving the problem that the pavement appears collapsing in long-term use, and it includes former road bed, successively lays adhesive linkage and surface course on former road bed and sets up in the curb of pavement width direction both sides, be provided with stabilizing mean between former road bed and the adhesive linkage, stabilizing mean includes grey soil layer and basic unit, grey soil layer lays in former road bed, grey soil layer is laid to the basic unit. The utility model discloses can reduce the probability that the pavement subsided relatively, guarantee the long-term stability of people's pavement relatively.

Description

Sidewalk structure

Technical Field

The utility model belongs to the technical field of the road construction technique and specifically relates to a pavement structure is related to.

Background

Sidewalks refer to the portion of a road that is separated by curbs or guardrails and other similar facilities and is dedicated to pedestrian traffic, typically having a width of about four meters.

Referring to fig. 1, a sidewalk structure comprises an original roadbed 1, an adhesive layer 2 laid on the original roadbed 1, a surface layer 3 laid on the adhesive layer 2, and a plurality of kerbs 4 arranged on two sides of the sidewalk in the width direction, wherein the plurality of kerbs 4 are laid along the length direction of the sidewalk. The existing sidewalk structure is generally and directly paved by sequentially paving the bonding layer 2 and the surface layer 3 on the original roadbed 1, wherein the bonding layer 2 is usually paved by cement mortar, and the surface layer 3 is paved by masonry to form a sidewalk for pedestrians to pass through.

The sidewalk structure paved by adopting the scheme has the following problems: in long-term use, during ponding infiltration on surface course 3 and infiltration got into former road bed 1 behind the adhesive linkage 2, former road bed 1 was soaked by long-term ponding, leads to the pavement roadbed structure instability that is formed by former road bed 1 and adhesive linkage 2, and the phenomenon that the pavement subsided appears, and the result of use is not good, consequently the utility model provides a new technical scheme.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a pavement structure, its probability that can reduce the pavement relatively and sink guarantees the long-term stability of people's pavement relatively to prior art exists not enoughly, the utility model aims at providing a pavement structure.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: the utility model provides a pavement structure, includes former road bed, lays adhesive linkage and the surface course on former road bed successively and sets up in the curb of people moving walkways width direction both sides, be provided with stabilizing mean between former road bed and the adhesive linkage, stabilizing mean includes grey soil layer and basic unit, grey soil layer is laid in former road bed, grey soil layer is laid to the basic unit.

By adopting the technical scheme, before the bonding layer is laid, a stable structure consisting of the gray soil layer and the base layer is laid on the original roadbed in sequence, and the base layer is formed by pouring the water-permeable C20 concrete, so that the new roadbed of the sidewalk is relatively thickened, the collapse probability of the sidewalk is relatively reduced, and the long-term stability of the sidewalk is relatively guaranteed; the lime soil layer is laid on the original roadbed, lime and soil are cemented to form lime soil with higher strength and water resistance, so that the probability of water continuously seeping into the original roadbed is relatively reduced, the probability of sidewalk collapse is relatively reduced, and the long-term stability of the sidewalk is relatively guaranteed.

The present invention may be further configured in a preferred embodiment as: and a reinforcing mesh is arranged in the foundation layer.

By adopting the technical scheme, when the foundation layer formed by the permeable C20 concrete is poured, the reinforcing mesh is preset in the foundation layer, so that after the foundation layer is solidified, the bending resistance and the tensile resistance of the foundation layer are relatively enhanced, the collapse probability of the sidewalk is further reduced, and the stability of the sidewalk is relatively better.

The present invention may be further configured in a preferred embodiment as: and a first filter layer is arranged on one side of the base layer, which is close to the bonding layer.

Through adopting above-mentioned technical scheme, after pouring the basic unit, before laying the adhesive linkage, lay filter layer one on the basic unit earlier, filter layer one adopts the preparation of infiltration geotechnological cloth to form, can make and ooze smoothly from the adhesive linkage infiltration water, in order to guarantee in time the discharge with ponding on the surface course, the grit that contains in the aquatic of infiltration is isolated, prevents that the grit from oozing down and leading to the infiltration hole in the basic unit to block up, leads to the drainage effect not good.

The present invention may be further configured in a preferred embodiment as: and a gravel layer is arranged on one side of the foundation layer, which is close to the lime-soil layer.

By adopting the technical scheme, before the foundation layer is poured, the gravel layer is laid on the lime soil layer, so that the thickness of the new roadbed is enhanced, and the stability is relatively better; meanwhile, the broken stone layer forms a soft structure, so that the elasticity and the bending resistance of the sidewalk are relatively improved, and the possibility of cracking of the sidewalk is relatively reduced.

The present invention may be further configured in a preferred embodiment as: the metalling includes thick stone layer and fine stone layer, thick stone layer is close to the basic unit, fine stone layer is close to grey soil layer, fine stone layer is close to thick stone layer one side arch and forms a plurality of linking platforms that are frustum form, and is a plurality of linking platform is arranged along the length direction on pavement.

By adopting the technical scheme, when the gravel layer is laid, the fine stone layer and the coarse solid layer are laid in sequence, and the fine stone layer is used as the bottom layer, so that the overall stability of the gravel layer can be relatively enhanced; simultaneously, when laying the fine aggregate layer, reserve out and link up the platform for the adjacent platform that links up of coarse solid layer embedding forms the scarf joint groove, thereby strengthens the joint strength of coarse solid layer and fine aggregate layer relatively, and thereby the stability of people moving walkways on the whole is better relatively.

The present invention may be further configured in a preferred embodiment as: and one side of the coarse stone layer, which is close to the foundation layer, is provided with a plurality of filling grooves.

Through adopting above-mentioned technical scheme, when laying the pouring basic unit after laying the thick stone layer, unset C20 concrete flow advances to fill the groove for the basic unit solidifies the back and thick solid layer, promptly with the joint strength of rubble layer bigger, thereby stability is better relatively.

The present invention may be further configured in a preferred embodiment as: the utility model discloses a drainage structure, including rubble layer, drainage mechanism, drainage blind pipe, filter layer two, inner tube and cladding inner tube, the rubble layer is provided with drainage mechanism, drainage mechanism includes many drainage blind pipes, the drainage blind pipe sets up in two trough departments that link up the platform and form, the drainage blind pipe sets up along pavement width direction, the drainage blind pipe includes inner tube and cladding inner tube, a plurality of infiltration holes have been seted up to the inner tube pipe wall.

Through adopting above-mentioned technical scheme, when ponding on the surface course loops through the surface course, filter layer one, the adhesive linkage, the basal layer infiltrates down and gets into the metalling, because the density on the fine stone layer of lower floor is great relatively than the density on the thick stone layer of upper strata, so the water that infiltrates down and gets into the thick stone layer can be long-pending in the scarf joint groove that two adjacent scarf joints platform formed gradually, at this moment, ponding infiltration gets into in the inner tube by infiltration in the filter layer two water that infiltration geotechnological cloth was made, thereby in time pass through the drainage blind pipe with ponding and discharge, with the ponding volume in the new road bed of relative reduction, thereby reduce the new road gene ponding of pavement too much and the probability of collapsing relatively.

The present invention may be further configured in a preferred embodiment as: one end of the drainage blind pipe close to the end side of the width direction of the sidewalk is downwards inclined, and the end side of the drainage blind pipe is connected with a net plug.

By adopting the technical scheme, the water outlet end of the drainage blind pipe is inclined downwards, so that accumulated water permeating into the inner pipe can be drained in time, and meanwhile, water at the water outlet end of the drainage blind pipe is relatively prevented from flowing backwards to enter the drainage blind pipe; furthermore, the net plug is connected to the end side of the drainage blind pipe, so that sundries at the water outlet end of the drainage blind pipe are prevented from entering the drainage blind pipe while the drainage blind pipe is guaranteed to be vertically and smoothly discharged, and the using effect is relatively better.

The present invention may be further configured in a preferred embodiment as: and a waterproof layer is arranged on one side of the fine stone layer close to the lime soil layer.

By adopting the technical scheme, the waterproof layer can be made of anti-seepage geotextile, and is laid firstly before the gravel layer is laid so as to reduce the probability that accumulated water in the gravel layer continuously seeps into the grey soil layer and the original roadbed, thereby preventing the original roadbed from being soaked by excessive accumulated water for a long time and causing the roadbed collapse.

The present invention may be further configured in a preferred embodiment as: and one side of the surface layer, which is close to the bonding layer, is provided with a plurality of clamping rods.

Through adopting above-mentioned technical scheme, when laying the surface course that constitutes by the polylith face brick on the adhesive linkage, set up the joint pole joint on the face brick in the adhesive linkage to strengthen the bonding strength of surface course and adhesive linkage relatively, make the fixed effect of surface course long-term preferred relatively.

To sum up, the utility model discloses a following at least one useful technological effect:

1. a stabilizing mechanism composed of a gray soil layer, a base layer and other components is laid between the original roadbed and the bonding layer, the gray soil in the gray soil layer is cemented with soil to form a layer structure with high strength and water resistance so as to relatively enhance the stability of the new roadbed of the sidewalk, the base layer is formed by pouring permeable C20 concrete, the strength of the sidewalk is relatively enhanced while the smooth infiltration of water is ensured, so that the collapse probability of the sidewalk is relatively reduced, and the long-term stability of the sidewalk is relatively ensured;

2. the gravel layer is laid between the base layer and the lime soil layer to relatively enhance the elasticity and the anti-cracking performance of the sidewalk, so that the cracking probability of the sidewalk is relatively reduced; paving the gravel layer in a mode of paving the fine stone layer and the coarse stone layer in sequence, so that the fine stone layer and the coarse stone layer are embedded and connected into a whole through a plurality of embedding tables, and the strength of the gravel layer is enhanced; meanwhile, accumulated water seeping into the gravel layer is relatively accumulated in the scarf joint groove formed by the two adjacent scarf joint tables and is discharged by the drainage blind pipes, so that the accumulated water quantity in the new roadbed of the sidewalk is relatively reduced, the probability of collapse of the sidewalk due to excessive accumulated water in the new roadbed is relatively reduced, and the long-term stability of the sidewalk is guaranteed.

Drawings

Fig. 1 is a drawing of the background art of the present invention, mainly showing the sidewalk structure laid by the prior art.

Fig. 2 is a schematic overall structure diagram of a first embodiment of the present invention.

Fig. 3 is an enlarged schematic view of a portion a in fig. 2.

Fig. 4 is a schematic overall structure diagram of a second embodiment of the present invention.

Fig. 5 is an enlarged view of the portion B in fig. 4.

Fig. 6 is an explosion structure diagram of the second embodiment of the present invention, which mainly shows the structure of the coarse layer.

Fig. 7 is an explosion structure diagram of the drainage blind pipe of the utility model.

Reference numerals: 1. an original roadbed; 2. an adhesive layer; 3. a surface layer; 31. brick I; 32. a second brick stone; 33. a blind road; 331. traveling blind sidewalk bricks; 3311. a guide table; 332. indicating blind road bricks; 3321. an indicator hole; 34. a clamping and connecting rod; 4. a curb; 5. a grey soil layer; 6. a base layer; 61. a reinforcing mesh; 62. a first filter layer; 7. an unobstructed ramp; 8. a crushed stone layer; 81. a coarse stone layer; 811. filling a groove; 82. a fine stone layer; 821. a joining station; 83. a drainage blind pipe; 831. an inner tube; 8311. a water seepage hole; 832. a second filter layer; 84. a net plug; 9. and a waterproof layer.

Detailed Description

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

Example one

Referring to fig. 2, a pavement structure, including former road bed 1, be provided with stabilizing mean on former road bed 1, stabilizing mean includes grey soil layer 5 and basic unit 6, and grey soil layer 5 lays on former road bed 1, and basic unit 6 lays on grey soil layer 5. The bonding layer 2 is laid on the base layer 6, and the bonding layer 2 is formed by pouring water-permeable cement mortar. And paving a surface layer 3 on the bonding layer 2, wherein the surface layer 3 is formed by paving masonry.

In the long-term use process, accumulated water on the surface layer 3 seeps downwards from a joint formed by the masonry, and sequentially penetrates through the bonding layer 2, the base layer 6 and the lime soil layer 5 from top to bottom and then reaches the original roadbed 1. The lime soil layer 5 is made of lime, the lime laid on the original roadbed 1 is cemented with soil to form lime soil, and the lime soil has high strength and water resistance, so that the probability of water continuously seeping into the original roadbed 1 is relatively reduced, and the long-term stability of the original roadbed 1 is relatively ensured; the foundation layer 6 is formed by pouring permeable C20 concrete so as to enhance the strength of the roadbed structure of the sidewalk; namely, a stabilizing mechanism consisting of a gray soil layer 5 and a base layer 6 is paved between the original roadbed 1 and the bonding layer 2 to relatively enhance the structural strength of the sidewalk, so that the probability of collapse caused by water soaking of the sidewalk roadbed is relatively reduced, and the long-term stability of the sidewalk structure is ensured.

Referring to fig. 2 and 3, the facing 3 comprises a plurality of masonry-31, the plurality of masonry-31 being a variety of sizes of thick jute tangle litchi faced granite masonry such as: the surface layer 3 is paved by adopting thick granite masonry with the sizes of 300 multiplied by 600 multiplied by 30mm and 200 multiplied by 600 multiplied by 30mm at intervals. When laying polylith masonry 31, wherein laid polylith masonry two 32 at random, two 32 masonry adopt thick yellow rust stone burnt face granite masonry, polylith masonry one 31 and two 32 mixed use of polylith masonry, when guaranteeing 3 result of use preferred of surface course for surface course 3 more has beautifully.

Blind roads 33 are provided on the surface layer 3 to enhance the use effect of the sidewalk. The blind road 33 is arranged along the length direction of the sidewalk, the blind road 33 comprises a plurality of advancing blind road bricks 331 and a plurality of indicating blind road bricks 332, a plurality of guide tables 3311 are convexly formed on the advancing blind road bricks 331, and the guide tables 3311 are in a long strip shape so as to guide the blind to walk forward with confidence. A plurality of indicating holes 3321 are formed on the indicating blind road brick 332, and the indicating holes 3321 are circular to indicate that the blind people have obstacles in front; the aperture of the opening of the indicating hole 3321 is larger than that of the hole bottom, so that the heel is prevented from being stepped into the indicating hole 3321, and the heel cannot be pulled out and damaged. The indication blind road brick 332 is arranged at the place where the sidewalk is obstructed, for example, the indication blind road brick 332 is arranged at the downhill of the sidewalk to prompt the blind people to have a downhill in front.

Referring to fig. 2, a plurality of kerbs 4 are laid on two sides of the width direction of the sidewalk, the plurality of kerbs 4 are laid along the length direction of the sidewalk, the kerbs 4 are flush with one side of the surface layer 3, which is far away from the bonding layer 2, and the end of each kerb is higher than the municipal asphalt road pavement; because curb 4 is higher than municipal asphalt road surface, so some ponding that accumulate on surface course 3 can directly flow on municipal asphalt road surface and discharge from municipal drainage system from pavement width direction's both ends to reduce the ponding that infiltrates down in former roadbed 1 relatively, make the probability that former roadbed 1 is soaked by the water relatively lower, the pavement structure has more long-term stability.

Referring to fig. 2, the sidewalk is provided with an unobstructed ramp 7, the unobstructed ramp 7 is arranged at the joint of the sidewalk and the motor vehicle road, and the pavement surface of the sidewalk is smoothly connected with the motor vehicle road, so that tools such as wheelchairs and the like can smoothly enter the motor vehicle road from the sidewalk, the practicability is relatively higher, and the using effect is relatively better.

The implementation principle of the embodiment is as follows: when paving the pedestrian road surface, firstly tamping the road surface of the original roadbed 1, then paving the gray soil layer 5 on the original roadbed 1, then pouring the foundation layer 6 on the gray soil layer 5, then paving the bonding layer 2 on the foundation layer 6, and finally paving the surface layer 3 on the bonding layer 2. When the surface course 3 is laid, the first masonry 31 and the second masonry 32 are arranged at intervals, and the blind road 33 and the barrier-free ramp 7 are arranged at the same time.

Example two

Referring to fig. 5 and 6, unlike the first embodiment, a plurality of clamping rods 34 are formed on the side of the surface layer 3 close to the bonding layer 2, that is, a plurality of clamping rods 34 are formed on each of the first masonry 31 and the second masonry 32, and the plurality of clamping rods 34 are arranged in 4 numbers and are uniformly distributed at four corners of the first masonry 31 or the second masonry 32. When paving surface course 3 on adhesive linkage 2, the joint of first masonry 31 and second masonry 32 is inseparabler through joint pole 34 and adhesive linkage 2 joint relatively to can prevent relatively that first masonry 31 or second masonry 32 from breaking away from adhesive linkage 2 in long-term use, the result of use is better relatively.

Referring to fig. 6, a first filter layer 62 is disposed on one side of the base layer 6 close to the adhesive layer 2, and the first filter layer 62 may be made of permeable geotextile to ensure that water permeating from the adhesive layer 2 can continue to permeate and relatively prevent sand and stone in the permeated water from permeating into the base layer 6.

A mesh reinforcement 61 is provided in the foundation layer 6. When pouring the foundation layer 6 made of water-permeable C20 concrete, the reinforcing mat 61 is laid in the foundation layer 6 to relatively reinforce the structural strength of the foundation layer 6, thereby relatively reducing the chance of the sidewalk collapsing during long-term use.

Referring to fig. 6, a gravel layer 8 is arranged on one side of the base layer 6 close to the gray soil layer 5 to assist the base layer 6 to enhance the structural strength of the sidewalk, and simultaneously form a soft roadbed, so that the elasticity and the load capacity of the sidewalk are relatively improved, the stability of the sidewalk structure is relatively guaranteed, and the probability of cracks and collapse of the sidewalk is reduced.

The gravel layer 8 comprises a coarse stone layer 81 and a fine stone layer 82, the coarse stone layer 81 is close to the base layer 6, the fine stone layer 82 is close to the lime soil layer 5, a plurality of filling grooves 811 are formed in one side, close to the base layer 6, of the coarse stone layer 81, the fine stone layer 82 protrudes from one side, close to the coarse stone layer 81, of the fine stone layer to form a plurality of frustum-shaped connecting tables 821, and the plurality of connecting tables 821 are arranged in the length direction of the sidewalk. After the lime layer 5 is laid, the fine stone layer 82 and the coarse stone layer 81 are laid in sequence; when the fine stone layer 82 is laid, a plurality of connecting tables 821 are formed by protruding the fine stone layer 82 close to the coarse stone layer 81, and then when the coarse stone layer 81 is laid, the connecting tables 821 are embedded into the coarse stone layer 81, so that the connecting strength between the coarse stone layer 81 and the fine stone layer 82 is relatively enhanced; meanwhile, when the foundation layer 6 is poured after the rough stone layer 81 is laid, the foundation layer 6 is filled in the filling groove 811, so that the connection strength of the rough stone layer 81 and the foundation layer 6 is relatively enhanced, the stability of the sidewalk body is relatively stronger, and the collapse prevention performance is relatively better.

Referring to fig. 6 and 7, a drainage mechanism is arranged in the crushed stone layer 8, the drainage mechanism comprises a plurality of drainage blind pipes 83, the drainage blind pipes 83 are arranged at wave troughs formed by two connecting platforms 821, the drainage blind pipes 83 are communicated with a municipal drainage system on the side of the sidewalk in the width direction, each drainage blind pipe 83 comprises an inner pipe 831 and a second filter layer 832 covering the inner pipe 831, and a plurality of water seepage holes 8311 are formed in the pipe wall of the inner pipe 831.

When water seeps into the gravel layer 8 from the base layer 6, because the water seepage space formed by the coarse stone layer 81 close to the base layer 6 is larger than the water seepage space formed by the fine stone layer 82, the water seeps slowly and accumulates at the wave trough formed by the two connecting tables 821, at the moment, the accumulated water can be discharged into a municipal drainage system through the drainage blind pipe 83 arranged at the wave trough formed by the two connecting tables 821, so that the water accumulated in the gravel layer 8 is relatively reduced, the probability of collapse of the sidewalk due to water soaking is reduced, and the long-term stability of the sidewalk is ensured. The second filter layer 832 is made of permeable geotextile, so that accumulated water is ensured to smoothly permeate into the drainage blind pipe 83 through the second filter layer 832 and the permeable holes 8311 and be discharged while sand and stone are prevented from entering the inner pipe 831.

One end of the drainage blind pipe 83 communicated with the municipal drainage system is inclined downwards so as to relatively prevent the water of the municipal drainage system from flowing backwards into the drainage blind pipe 83 while the water permeating into the drainage blind pipe 83 is rapidly discharged. The net plug 84 is connected to the end side of the blind drain pipe 83 in a threaded manner, and when water in the blind drain pipe 83 can be drained through the meshes of the net plug 84, the net plug 84 can relatively prevent foreign matters from blocking the port of the blind drain pipe 83, so that the good use effect of the blind drain pipe 83 for a long time is ensured.

Referring to fig. 6, the waterproof layer 9 is arranged on one side of the fine stone layer 82 close to the lime soil layer 5, and the waterproof layer 9 can be made of impermeable geotextile to reduce the probability that water seeps from the fine stone layer 82 and continues to seep into the original roadbed 1, so that the probability that the original roadbed 1 collapses due to water immersion is relatively prevented, and the stability of the sidewalk is relatively higher.

The implementation principle of the embodiment is as follows: when paving the pedestrian road surface, firstly tamping the original road surface of the roadbed 1; then laying a gray soil layer 5 on the original roadbed 1; then laying the waterproof layer 9 on the lime soil layer 5; then paving a fine stone layer 82 and a coarse stone layer 81 on the waterproof layer 9 in sequence, and prefabricating a drainage blind pipe 83 when paving the fine stone layer 82; then, a base layer 6, a first filter layer 62 and an adhesive layer 2 are sequentially laid on the gravel layer 8, and when the base layer 6 is laid, the reinforcing mesh 61 is pre-arranged in the base layer 6; and finally, paving a surface layer 3 on the bonding layer 2.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a pavement structure, includes former road bed (1), successively lays adhesive linkage (2) and surface course (3) on former road bed (1) and sets up in curb (4) of people moving walkways width direction both sides, its characterized in that: be provided with stabilizing mean between former road bed (1) and adhesive linkage (2), stabilizing mean includes grey soil layer (5) and foundation layer (6), grey soil layer (5) are laid in former road bed (1), foundation layer (6) are laid in grey soil layer (5).

2. A walkway construction according to claim 1, wherein: and a reinforcing mesh (61) is arranged in the foundation layer (6).

3. A walkway construction according to claim 2, wherein: and a first filter layer (62) is arranged on one side, close to the bonding layer (2), of the base layer (6).

4. A walkway construction according to claim 3, wherein: and a gravel layer (8) is arranged on one side of the base layer (6) close to the lime soil layer (5).

5. A walkway construction according to claim 4, wherein: the gravel layer (8) includes thick stone layer (81) and fine stone layer (82), thick stone layer (81) are close to basic unit (6), fine stone layer (82) are close to grey soil layer (5), fine stone layer (82) are close to thick stone layer (81) one side arch and form a plurality of linking platform (821) that are frustum-shaped, and are a plurality of link platform (821) arranges along the length direction of pavement.

6. A walkway construction according to claim 5, wherein: and a plurality of filling grooves (811) are formed in one side of the rough stone layer (81) close to the base layer (6).

7. A walkway construction according to claim 5, wherein: be provided with drainage mechanism in metalling (8), drainage mechanism includes many drainage blind pipes (83), drainage blind pipe (83) set up in two trough departments that link up platform (821) and form, drainage blind pipe (83) set up along pavement width direction, drainage blind pipe (83) include filter layer two (832) of inner tube (831) and cladding inner tube (831), a plurality of infiltration holes (8311) have been seted up to inner tube (831) pipe wall.

8. A walkway construction according to claim 7, wherein: one end, close to the end side of the sidewalk in the width direction, of the drainage blind pipe (83) is inclined downwards, and the end side of the drainage blind pipe (83) is connected with a net plug (84).

9. A walkway construction according to claim 7, wherein: and a waterproof layer (9) is arranged on one side of the fine stone layer (82) close to the lime soil layer (5).

10. A walkway construction according to claim 1, wherein: and a plurality of clamping rods (34) are arranged on one side of the surface layer (3) close to the bonding layer (2).