CN211621055U

CN211621055U - Pitch combined type town road pavement structure

Info

Publication number: CN211621055U
Application number: CN201922452756.0U
Authority: CN
Inventors: 李放
Original assignee: Sichuan Zhaoshuo Construction Engineering Co ltd
Current assignee: Sichuan Zhaoshuo Construction Engineering Co ltd
Priority date: 2019-12-30
Filing date: 2019-12-30
Publication date: 2020-10-02
Anticipated expiration: 2029-12-30

Abstract

The utility model relates to a pitch combined type town road pavement structure, it includes the road bed, still including laying geotechnological cloth, concrete cushion, anti-crack layer and the upper berth layer of permeating water on the road bed in proper order, the basin has been seted up to the road bed upper surface, and the hole of permeating water that runs through shop's layer, anti-crack layer and concrete cushion is seted up on the upper berth layer surface, and the hole of permeating water is in the projection range of basin on the horizontal plane in the projection of the hole of permeating water, and the anti-crack in situ has set firmly the. When laying the road bed, earlier set up the basin along road width direction on the road bed, upwards lay the geotechnological cloth that permeates water, concrete cushion, anti-crack layer and go up the layer in proper order after that, after road surface laying accomplishes, dig on the road surface and bore to the hole of permeating water of the roof on geotechnological cloth layer that permeates water to make area hydroenergy permeate the geotechnological cloth that permeates water from the hole department that permeates water, discharge in the inflow basin, and replenish the groundwater under the road surface, effectively avoid appearing the hole under the road surface, the utility model discloses have the effect that improves road surface structural stability.

Description

Pitch combined type town road pavement structure

Technical Field

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

Background

The asphalt pavement is various types of pavement paved by asphalt materials in mineral materials, and the asphalt binder improves the capability of the paving aggregate to resist the damage of driving and natural factors to the pavement, so that the pavement is smooth, less dusty, waterproof and durable; asphalt pavement is therefore a high grade pavement often used in road construction.

Chinese patent No. CN208151793U discloses an asphalt pavement structure, which comprises a wear-resistant layer, an upper layer, a crack-resistant layer, a lower layer and a gravel layer, which are sequentially arranged from top to bottom, wherein the upper layer is made of polyfu resin asphalt, the lower layer is an asphalt concrete layer, and the crack-resistant layer comprises an iron net and a glass fiber grid flatly laid on the iron net; the wear-resistant layer is a mixed material pavement doped with asbestos fibers, and the heights of the two sides of the wear-resistant layer are lower than that of the center of the wear-resistant layer; the wear-resistant layer comprises a water passing transverse groove and a water passing longitudinal groove, wherein the water passing transverse groove is formed in the upper surface of the wear-resistant layer, and the water passing longitudinal groove is communicated with the water passing transverse groove and is arranged along the driving direction. The structure has better crack resistance.

The above prior art solutions have the following drawbacks: because the asphalt pavement is impervious, namely when the city is an impervious pavement, the infiltration of rainwater is blocked, the supplement of rainwater to underground water is blocked, the urban ground is easy to sink, and the rainwater is easy to collect on the pavement when meeting rainy season or heavy rain, so that the large-area water accumulation on the urban ground is caused, thereby improving the structure of the asphalt pavement.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, one of the purposes of the utility model is to provide a better pitch combined type town road pavement structure of drainage air permeability.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides a pitch combined type town road pavement structure, includes the road bed, still including the geotechnological cloth, the concrete bed that permeate water, anticracking layer, the upper berth layer of laying on the road bed in proper order, the basin has been seted up along road width direction to the road bed upper surface, the hole of permeating water has been seted up on the upper berth layer surface, the vertical upper berth layer, anticracking layer and the concrete bed of crossing through in hole of permeating water, the hole of permeating water projection is located basin projection range on the horizontal plane, the anti in situ of cracking has set firmly the reinforcing bar rack.

Through adopting above-mentioned technical scheme, when laying the road bed, earlier set up the basin along road width direction on the road bed, upwards lay the geotechnological cloth that permeates water in proper order after that, the concrete cushion, anti-crack layer and upper spread layer, through the reinforcing bar rack that presss from both sides in the anti-crack layer and establish, increase road surface tensile strength, and after road surface laying accomplishes, open the hole of permeating water of the roof of boring to the geotechnological cloth layer that permeates water on the road surface, thereby make area hydroenergy permeate the geotechnological cloth that permeates water from the hole department of permeating water, discharge in the inflow basin, and replenish the groundwater under the road surface, effectively avoid appearing the hole under the road surface.

The present invention may be further configured in a preferred embodiment as: the downthehole reinforcing pipe that wears to be equipped with permeates water, the top of reinforcing pipe has set firmly the backup pad, it sets up in the upper berth to go up the backup pad, the bottom of reinforcing pipe has set firmly the bottom suspension fagging, the diapire butt of bottom suspension fagging is on the roof of geotechnological cloth that permeates water, the bottom suspension fagging passes through bolt and ground fixed connection.

Through adopting above-mentioned technical scheme, when road surface laying, the back is laid to the civil engineering cloth layer that will permeate water, with the vertical top of placing the basin on the geotechnological cloth that permeates water of reinforced pipe, make the bottom suspension fagging support on the road surface, continue road surface laying again, and when laying the layer, including the last backup pad body with the reinforced pipe is pour, after road surface laying accomplishes, open the hole of permeating water that bores and the coaxial equal of reinforced pipe internal diameter again, through the reinforced pipe, effectively strengthen the stability of road surface structure around the hole of permeating water, each layer of limited connection simultaneously, increase road surface structural stability.

The present invention may be further configured in a preferred embodiment as: go up the backup pad and be the sphere board, go up the arch of backup pad up.

Through adopting above-mentioned technical scheme, the last backup pad of sphere can be after highway surface atress, will go up the pressure dispersion that backup pad and reinforcing pipe received to limited hole of avoiding permeating water collapses, improves the stability of the road surface structure around the hole of permeating water.

The present invention may be further configured in a preferred embodiment as: the outer wall slope of reinforcing pipe has set firmly the bracing piece, the diapire fixed connection, the other end and the reinforcing pipe fixed connection of backup pad are fixed to the one end of bracing piece, the bracing piece is provided with many along the even interval of reinforcing pipe circumference.

Through adopting above-mentioned technical scheme, add the bracing piece at the edge of backup pad to make and go up backup pad structure more firm, the bearing capacity of backup pad is gone up in the increase.

The present invention may be further configured in a preferred embodiment as: the outer wall of the upper supporting plate is coaxially and fixedly provided with a reinforcing ring, and the bottom wall of the reinforcing ring is abutted to the top wall of the anti-cracking layer.

Through adopting above-mentioned technical scheme, will go up the beaded finish butt of integrated processing on the outward flange of backup pad down on the roof on anti-crack layer, thereby make and go up the backup pad when receiving road surface pressure, the beaded finish is restraint first and is gone up the backup pad, effectively avoid going up the backup pad and appear warping, and through sliding the butt with the beaded finish in the roof on anti-crack layer, thereby when road surface pressure is too big, the beaded finish slides on anti-crack layer and outwards expands, and then buffer pressure, improve the reinforced pipe atress ability.

The present invention may be further configured in a preferred embodiment as: and a middle supporting plate is fixedly arranged on the outer wall of the reinforcing pipe and is arranged in the concrete cushion.

Through adopting above-mentioned technical scheme, when laying the concrete cushion, cover the well backup pad on the reinforced pipe to make the road surface structure jointly firm through upper and lower bottom suspension fagging on the beaded finish between layer upon layer, effectively avoid appearing sliding, dislocation between different layers, improve road surface structural stability.

The present invention may be further configured in a preferred embodiment as: the top of the reinforcing pipe is coaxially and fixedly provided with a filter screen.

Through adopting above-mentioned technical scheme, when ponding flowed into the underground from the downthehole reinforcing pipe that permeates water on the road surface, filtered the bold rubble through the filter screen, the limited rubble of avoiding blocks up the basin, guarantees road surface drainage function normal operating.

The present invention may be further configured in a preferred embodiment as: and the inner wall of the water tank is fixedly provided with a geogrid plate.

Through adopting above-mentioned technical scheme, lay the geogrid board on the inner wall of basin, can increase the structural stability of two vertical lateral walls of basin, the limited avoidance is at the basin drainage in-process, and the inner wall collapses because of flowing water corrodes and causes the basin to block up, guarantees road surface drainage function normal operating.

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

1. when the roadbed is paved, firstly, a water tank is arranged on the roadbed along the width direction of the road, then, the permeable geotextile, the concrete cushion layer, the anti-cracking layer and the upper paving layer are sequentially paved upwards, and after the pavement is paved, the permeable holes drilled to the top wall of the permeable geotextile layer are drilled on the pavement, so that the water in the pavement area can permeate the permeable geotextile from the permeable holes, flow into the water tank to be discharged, and supplement the underground water under the pavement, thereby effectively avoiding the holes under the pavement and improving the structural stability of the pavement;

2. when the pavement is paved, after the permeable geotextile layer is paved, the reinforcing pipe is vertically placed above the permeable geotextile upper water tank, so that the lower supporting plate is supported on the pavement, the pavement paving is continued, when an upper paving layer is paved, the upper supporting plate of the reinforcing pipe is integrally poured in the reinforcing pipe, after the pavement paving is finished, a permeable hole which is coaxial with the inner diameter of the reinforcing pipe is drilled, the stability of the pavement structure around the permeable hole is effectively enhanced through the reinforcing pipe, and meanwhile, each layer is connected in a limited manner, so that the stability of the pavement structure is increased;

3. the geogrid plates are laid on the inner wall of the water tank, so that the structural stability of two vertical side walls of the water tank can be improved, the problem that the water tank is blocked due to the fact that the inner wall collapses due to flowing water corrosion in the water tank drainage process is avoided to a limited extent, and the normal operation of a road surface drainage function is guaranteed.

Drawings

Fig. 1 is a schematic sectional view of the whole of the present invention.

Fig. 2 is a schematic view of the whole three-dimensional partial sectional structure of the present invention.

Fig. 3 is a schematic view of the reinforcing pipe according to the present invention in a partial sectional structure.

In the figure, 1, roadbed; 11. water-permeable geotextile; 12. a concrete cushion; 13. an anti-cracking layer; 14. spreading layers; 2. a water tank; 21. a geogrid panel; 3. water permeable holes; 4. a steel bar net rack; 5. a reinforcement tube; 51. an upper support plate; 52. a lower support plate; 53. a support bar; 54. a reinforcement ring; 55. a middle support plate; 56. and (5) filtering by using a filter screen.

Detailed Description

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

Referring to fig. 1 and 2, for the utility model discloses a pitch combined type town road pavement structure, including road bed 1, basin 2 has been seted up along road width direction to 1 upper surface of road bed, and equal bolt fixed mounting has geogrid board 21 on the diapire of basin 2 and two vertical lateral walls. The permeable geotextile 11, the concrete cushion 12, the anti-cracking layer 13 and the upper layer 14 are sequentially paved on the roadbed 1 upwards. The woven geotextile is made of polyester and polypropylene filaments which are used as raw materials and woven by a special process, has the advantages of tensile strength, tear resistance, bursting resistance, puncture resistance and the like, and high mechanical strength, and in the embodiment, the permeable geotextile 11 is the woven geotextile with the effective aperture of 0.5 mm. The anti-cracking layer 13 is paved by anti-cracking mortar, and a layer of reinforcing steel bar net rack 4 is paved in the anti-cracking layer 13 in parallel. The upper layer 14 and the concrete cushion layer 12 are both formed by concrete.

Referring to fig. 2 and 3, a water permeable hole 3 penetrating through a geotextile 11, a concrete pad 12, an anti-crack layer 13 and an upper layer 14 is provided right above the water tank 2. Permeate water and coaxially wear to be equipped with in the hole 3 and have the reinforced pipe 5, the coaxial integrated into one piece in top of reinforced pipe 5 has last backup pad 51, and the coaxial integrated into one piece in bottom has bottom support plate 52, goes up coaxial integrated into one piece between backup pad 51 and the bottom support plate 52 and has well backup pad 55. The upper supporting plate 51 is a spherical plate, one protruding side of the upper supporting plate is vertically upward, a circle of reinforcing rings 54 are coaxially arranged at the edge of the upper supporting plate 51, and a circle of reinforcing rings penetrate through the reinforcing rings 54. The bottom wall of the upper supporting plate 51 is connected with a supporting rod 53, the other end of the supporting rod 53 is welded on the outer wall of the reinforcing pipe 5 in an inclined downward mode, the extension line of the central line of the supporting rod 53 is intersected with the axis of the reinforcing pipe 5, and a plurality of supporting rods 53 are uniformly arranged along the axial direction of the reinforcing pipe 5 at intervals. A filter screen 56 is coaxially welded at the top opening of the reinforcement pipe 5.

Referring to fig. 1 and 3, the bottom of the lower support plate 52 abuts against the top wall of the permeable geotextile 11, and the lower support plate 52 passes through the permeable geotextile 11 through bolts and is fixedly connected with the roadbed 1. The middle support plate 55 is located within the concrete pad 12. The upper support plate 51 is located within the upper layer 14 with the bottom of its stiffening ring 54 abutting against the top wall of the anti-splinter layer 13.

The implementation principle of the embodiment is as follows: when laying roadbed 1, offer basin 2 along road width direction on roadbed 1 earlier, upwards lay permeable geotechnological cloth 11 in proper order after that, concrete cushion 12, anti-crack layer 13 and upper spread layer 14, press from both sides the reinforcing bar rack 4 of establishing in anti-crack layer 13, increase road surface tensile strength, and after road surface laying is accomplished, open the hole 3 of permeating water of boring to the roof on the geotechnological cloth 11 layer that permeates water on the road surface, thereby make road area hydroenergy from the hole 3 that permeates water and permeate water geotechnological cloth 11, discharge in the inflow basin 2, and replenish the groundwater under the road surface, effectively avoid appearing the hole under the road surface, improve road surface structural stability.

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 pitch combined type town road pavement structure, includes road bed (1), its characterized in that: still including laying permeable to water geotechnological cloth (11), concrete bed (12), anti-crack layer (13), upper berth layer (14) on road bed (1) in proper order, basin (2) have been seted up along road width direction to road bed (1) upper surface, go up to spread layer (14) surface and seted up hole (3) of permeating water, hole (3) of permeating water vertically run through upper berth layer (14), anti-crack layer (13) and concrete bed (12), hole (3) of permeating water the projection is located basin (2) projection range on the horizontal plane, anti-crack layer (13) internal fixation has reinforcing bar net rack (4).

2. The asphalt composite municipal road pavement structure according to claim 1, characterized in that: wear to be equipped with reinforced pipe (5) in hole (3) of permeating water, the top of reinforced pipe (5) has set firmly backup pad (51), go up backup pad (51) and set up in upper spread layer (14), the bottom of reinforced pipe (5) has set firmly bottom suspension fagging (52), the diapire butt of bottom suspension fagging (52) is on the roof of geotechnological cloth (11) permeates water, bolt and ground fixed connection are passed through in bottom suspension fagging (52).

3. The asphalt composite municipal road pavement structure according to claim 2, characterized in that: go up backup pad (51) and be the sphere board, go up the arch of backup pad (51) up.

4. The asphalt composite municipal road pavement structure according to claim 3, wherein: the outer wall slope of reinforced pipe (5) has set firmly bracing piece (53), the diapire fixed connection, the other end and reinforced pipe (5) fixed connection of backup pad (51) are fixed to the one end of bracing piece (53), bracing piece (53) are provided with many along reinforced pipe (5) circumference even interval.

5. The asphalt composite municipal road pavement structure according to claim 4, wherein: and a reinforcing ring (54) is coaxially and fixedly arranged on the outer wall of the upper supporting plate (51), and the bottom wall of the reinforcing ring (54) is abutted against the top wall of the anti-cracking layer (13).

6. The asphalt composite municipal road pavement structure according to claim 2, characterized in that: and a middle support plate (55) is fixedly arranged on the outer wall of the reinforcing pipe (5), and the middle support plate (55) is arranged in the concrete cushion (12).

7. The asphalt composite municipal road pavement structure according to claim 2, characterized in that: the top of the reinforcing pipe (5) is coaxially and fixedly provided with a filter screen (56).

8. The asphalt composite municipal road pavement structure according to claim 1, characterized in that: and the inner wall of the water tank (2) is fixedly provided with a geogrid plate (21).