CN213653088U

CN213653088U - Asphalt pavement

Info

Publication number: CN213653088U
Application number: CN202021768692.1U
Authority: CN
Inventors: 龚煜骅
Original assignee: Yiwu Haosheng Construction Co ltd
Current assignee: Yiwu Haosheng Construction Co ltd
Priority date: 2020-08-22
Filing date: 2020-08-22
Publication date: 2021-07-09
Anticipated expiration: 2030-08-22

Abstract

The utility model discloses a bituminous paving aims at solving water infiltration basic unit back, probably can make the road bed absorb water and produce the inflation, leads to the superficial layer to produce the crack, influences bituminous paving's the problem of normal use. The key points of the technical scheme are as follows: the utility model provides an asphalt pavement, includes the road surface body, and the road surface body includes the basic unit and sets up first enhancement layer and the second enhancement layer in both sides about the basic unit, and first enhancement layer and second enhancement layer all closely laminate with the basic unit, and first enhancement layer and second enhancement layer all are provided with the adhesive linkage with the junction of basic unit, and the inside of first enhancement layer and second enhancement layer all is provided with first water trough, and the inside of basic unit is provided with second water trough. The utility model discloses a bituminous paving guarantees the drainage dynamics and the self intensity of road surface body.

Description

Asphalt pavement

Technical Field

The utility model relates to a road building technical field, more specifically say, it relates to a bituminous paving.

Background

Asphalt pavement refers to various types of pavement that are made by incorporating into mineral materials a road asphalt material. The asphalt binder improves the capability of the paving aggregate to resist damage of traveling vehicles and natural factors to the pavement, and enables the pavement to be smooth, less in dust, impermeable and durable. Accordingly, asphalt pavement is one of the most widely used high-grade pavements in road construction. At present, most of asphalt pavement structures of trunk roads in China are water-stable base layers, AC-20 lower surface layers and AC-13 upper surface layers, the structure is applied for 15 years, and is difficult to adapt to the current traffic development, so that the exploration of a pavement structure which is applicable to the trunk roads and has the advantages of good durability, long service life, low manufacturing cost and low maintenance cost is significant.

In view of the above problems, chinese patent publication No. CN206545145U discloses an economical and durable asphalt pavement structure, which comprises, from top to bottom, a surface layer, a binder oil, a lower surface layer, an upper base layer, a lower base layer, and a sub-base layer; the thickness of the surface layer is 3-5cm, and an SMA-13 discontinuous dense-graded asphalt mixture based on limestone is adopted; the thickness of the lower surface layer is 6-10cm, and dense-graded asphalt stabilized macadam ATB-25 with a compact framework is adopted; a layer of viscous oil is arranged between the surface layer and the lower layer; the thickness of the upper base layer is 18-20cm, and a fiber-doped skeleton compact type micro-bonding graded broken stone is adopted; the thickness of the lower base course is 18-20cm, and cement is adopted to stabilize the macadam base course; the thickness of the subbase layer is 18-20cm, and graded broken stone is adopted.

The pavement structure of the scheme has the characteristics of good durability, low manufacturing cost, low maintenance cost and effective prevention of early damage of the asphalt pavement. However, in the process of using the asphalt pavement, water can continuously permeate downwards through the surface layer to realize the drainage of the pavement, but if too much water permeates into the base layer, the subgrade can absorb water and expand, so that cracks are generated on the surface layer, and the normal use of the asphalt pavement can be influenced.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide an asphalt pavement increases the intensity of road surface body, increases the drainage dynamics of road surface body simultaneously, prevents to appear the situation of ponding on the road surface body and makes the road surface body produce the crack because of the inflation that absorbs water.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides an asphalt pavement, includes the road surface body, the road surface body includes the basic unit and sets up the first enhancement layer and the second enhancement layer of both sides about the basic unit, first enhancement layer and second enhancement layer all with the basic unit closely laminates, first enhancement layer and second enhancement layer with the junction of basic unit all is provided with the adhesive linkage, the inside of first enhancement layer and second enhancement layer all is provided with first water trough, the inside of basic unit is provided with second water trough.

By adopting the technical scheme, the first reinforcing layer and the second reinforcing layer which are respectively arranged at the upper side and the lower side of the base layer enable the first reinforcing layer and the second reinforcing layer to protect and support the base layer, the first reinforcing layer and the second reinforcing layer are tightly attached to the base layer to be tightly connected with the base layer, the bonding layers are bonded at the joints of the first reinforcing layer, the second reinforcing layer and the base layer, the bonding layers are made of epoxy resin, the epoxy resin has strong bonding force, when accumulated water exists on the pavement body, the accumulated water can be discharged through the first water through groove of the first reinforcing layer, the second water through groove of the base layer and the first water through groove of the second reinforcing layer are positioned on the same straight line, the drainage efficiency of the pavement body can be increased, the situation that the pavement body is too much water infiltrated to cause the water absorption expansion of the pavement body to generate cracks can be prevented, and the first water through groove and the second water through groove can be positioned on the first reinforcing layer, The groove is set up then into the pipeline in second enhancement layer and the basic unit, increases the support dynamics of first water trough and second water trough, and need clear away the impurity in the crack earlier when the crack appears in the road surface body, and the basic unit itself adopts asphalt concrete, adds the rubber asphalt material through the crack filling machine in the crack, increases the adhesive force between the crack, guarantees the normal use of road surface body.

The utility model discloses further set up to: the both ends of first water trough and second water trough all are provided with water inlet and delivery port, water inlet and delivery port all are hourglass hopper-shaped setting.

Through adopting above-mentioned technical scheme, when the water deposit was on the road surface body, water can shunt through a plurality of water inlets then get into first water service tank, and last water can be discharged through the delivery port, and water inlet and delivery port all are to be hopper-shaped the setting can accelerate the reposition of redundant personnel and the discharge of water, have prevented to pile up too much water on the road surface body and make the road surface body swell that absorbs water.

The utility model discloses further set up to: the first enhancement layer is close to the one end of basic unit is provided with water drainage tank, water drainage tank extends the setting to both sides slope.

Through adopting above-mentioned technical scheme, because the water drainage tank is extended towards both sides slope by the center for just can discharge through the water drainage tank after water gets into the water drainage tank, thereby reduced water and continued downward infiltration and can reduced the destruction of water to the basic unit simultaneously, increased the life of road surface body.

The utility model discloses further set up to: the inside of first enhancement layer and second enhancement layer all is provided with first strengthening rib, first strengthening rib is the level setting.

Through adopting above-mentioned technical scheme, first strengthening rib is parallel to each other with first enhancement layer and second enhancement layer, increases the horizontal support dynamics of first enhancement layer and second enhancement layer.

The utility model discloses further set up to: and the first reinforcing ribs are fixedly connected with a plurality of second reinforcing ribs distributed in an array, and the second reinforcing ribs are perpendicular to the first reinforcing ribs.

Through adopting above-mentioned technical scheme, a plurality of second strengthening ribs on the first strengthening rib can further support first strengthening rib for first strengthening rib and second strengthening rib form the structure of a supporting network, realize the support dynamics of first enhancement layer and second enhancement layer, and first strengthening rib is made by the reinforcing bar, improves the support dynamics of road surface body.

The utility model discloses further set up to: the upper end and the lower end of the first reinforcing layer are respectively provided with an upper surface layer and a lower surface layer.

By adopting the technical scheme, the upper layer and the lower layer further support the first reinforcing layer, the bearing strength of the first reinforcing layer is increased, the upper layer adopts the fine grain SBS modified asphalt mixture AC-13C, and the lower layer adopts the medium grain asphalt concrete AC-20C, so that the first reinforcing layer is thickened.

The utility model discloses further set up to: the one end that the first enhancement layer was kept away from the base layer is provided with the lug that a plurality of arrays distribute, the lug is kept away from the one end of first enhancement layer is provided with the arc surface.

Through adopting above-mentioned technical scheme, when the vehicle driven from the road surface body, the tire of vehicle can contact with a plurality of lugs of outmost epirelief, and can play the effect of a buffering when the vehicle driven the lug, prevent that the vehicle from traveling too fast and lead to the appearance of the surface crack of road surface body, and the arc surface on the lug can not produce great wearing and tearing when making vehicle and road surface body contact, make the road surface body have good support capacity simultaneously, can show the load that promotes the road surface body, thereby avoid collapsing of road surface body.

To sum up, the utility model discloses following beneficial effect has: the intensity of increase road surface body increases the drainage dynamics of road surface body simultaneously, prevents to appear the situation of ponding on the road surface body and makes the road surface body produce the crack because of the inflation that absorbs water.

Drawings

Fig. 1 is a schematic structural diagram of the pavement body of the present invention.

In the figure: 1. a base layer; 2. a first reinforcing layer; 3. a second reinforcing layer; 4. a top layer; 5. a lower layer; 6. a bump; 7. a water discharge tank; 8. a second water passage; 9. a water inlet; 10. a water outlet; 11. a first reinforcing rib; 12. a second reinforcing rib; 13. a first water trough.

Detailed Description

In order to make the technical solutions of the present invention better understood, the following detailed description of the present invention is provided with reference to the accompanying drawings and specific embodiments, and it should be noted that the embodiments and features of the embodiments of the present invention can be combined with each other without conflict.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "set/connected", "connected", and the like are to be interpreted broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

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

An asphalt pavement, referring to fig. 1, comprising a pavement body, the pavement body comprises a base layer 1, a first reinforcing layer 2 and a second reinforcing layer 3 which are laid on the upper side and the lower side of the base layer 1, the first reinforcing layer 2 and the second reinforcing layer 3 are tightly attached to the base layer 1, the first reinforcing layer 2 and the second reinforcing layer 3 are both formed by laying concrete, bonding layers are arranged at the joints of the first reinforcing layer 2 and the base layer 1 and the second reinforcing layer 3 and the base layer 1, the bonding layers are made of epoxy resin, the epoxy resin has stronger bonding force, the connection tightness between the first reinforcing layer 2 and the base layer 1 and the second reinforcing layer 3 is realized, the pavement body is prevented from cracking, a first water through groove 13 is arranged inside the first reinforcing layer 2 and the second reinforcing layer 3, a second water through groove 8 is arranged inside the base layer 1, and the first water passing groove 13 and the second water passing groove 8 are positioned on the same straight line, so that the water is conveniently discharged.

And water inlet 9 and delivery port 10 have all been seted up at the both ends of first water trough 13 and second water trough 8, water inlet 9 and delivery port 10 all are hourglass hopper-shaped setting, and the water inlet 9 of 2 upsets of first enhancement layer is big-end-down setting, can prevent that the sectional area is greater than the foul of water inlet 9 from falling into in first water trough 13 and causing the jam, when the water deposit is on the road surface body, water can shunt then get into first water trough 13 through a plurality of water inlets 9, last water can be discharged through delivery port 10, and water inlet 9 and delivery port 10 all are to leak hopper-shaped setting and can accelerate the reposition of redundant personnel and the discharge of water, prevented to pile up too much water on the road surface body and make the road surface body water absorption inflation.

The bottom ends of the first reinforcing layer 2 and the second reinforcing layer 3 are respectively provided with a water drainage groove 7, the water drainage grooves 7 extend obliquely towards two sides, and the water drainage grooves 7 are obliquely arranged towards two sides from the centers of the first reinforcing layer 2 and the second reinforcing layer 3, so that water can be discharged towards two ends through the water drainage grooves 7 after entering the water drainage grooves 7, further, the water is prevented from continuously permeating downwards, can be discharged in time, and the damage of the water to the base layer 1 can be reduced; all welded first strengthening rib 11 in the inside of first enhancement layer 2 and second enhancement layer 3, first strengthening rib 11 is the level setting, and the welding has the second strengthening rib 12 that a plurality of arrays distribute on the first strengthening rib 11, on the first strengthening rib 11 of second strengthening rib 12 perpendicular to, and a plurality of second strengthening ribs 12 can further support first strengthening rib 11, make first strengthening rib 11 and second strengthening rib 12 form the structure of a supporting network, realize the support dynamics of first enhancement layer 2 and second enhancement layer 3, and first strengthening rib 11 is made by the reinforcing bar, second strengthening rib 12 can adopt the helical reinforcement to make, improve the support dynamics of road surface body.

An upper surface layer 4 and a lower surface layer 5 are respectively paved at the upper end and the lower end of the first reinforcing layer 2, the upper surface layer 4 and the lower surface layer 5 are tightly connected with the first reinforcing layer 2, the thicknesses of the upper surface layer 4 and the lower surface layer 5 can be consistent, and the thickness of the lower surface layer 5 can also be larger than that of the upper surface layer 4, so that the bearing strength of the first reinforcing layer 2 is increased, the upper surface layer 4 adopts a fine grain type SBS modified asphalt mixture AC-13C, and the lower surface layer 5 adopts medium grain type asphalt concrete AC-20C, so that the first reinforcing layer 2 is thickened; the welding of the one end of keeping away from basic unit 1 at first enhancement layer 2 has the lug 6 of a plurality of array distributions, the one end that first enhancement layer 2 was kept away from to lug 6 is equipped with the arc surface, when the vehicle was driven from the road surface body, the tire of vehicle can contact with a plurality of lugs 6 outstanding on the outmost, and can play the effect of a buffering when the vehicle was driven lug 6, prevent that the vehicle from driving too fast and leading to the appearance of the surperficial crack of road surface body, make the road surface body have good support ability simultaneously, can show the load that promotes the road surface body, thereby avoid collapsing of road surface body, and lug 6 can adopt ordinary stone to carry out the resistance to compression.

The working principle is as follows: when the pavement body is normally used, the first reinforcing layer 2 and the second reinforcing layer 3 which are respectively arranged at the upper side and the lower side of the base layer 1 can protect and support the base layer 1, the first reinforcing layer 2 and the second reinforcing layer 3 are tightly attached to the base layer 1 to be tightly connected with the base layer 1, adhesive layers are adhered at the joints of the first reinforcing layer 2 and the second reinforcing layer 3 and the base layer 1, when accumulated water exists on the pavement body, the accumulated water can be discharged through the first water passing groove 13 of the first reinforcing layer 2, the drainage efficiency of the pavement body can be increased, the situation that the pavement body absorbs water and expands due to too much water permeated by the pavement body to cause cracks is avoided, the first water passing groove 13 and the second water passing groove 8 are pipelines which are provided with grooves in the first reinforcing layer 2, the second reinforcing layer 3 and the base layer 1 and then put water in the water passing grooves is increased, and the supporting force of the first water passing groove 13 and the second, when cracks appear on the pavement body, impurities in the cracks need to be removed firstly, the base layer 1 is made of asphalt concrete, and rubber asphalt materials are added into the cracks through a crack pouring machine, so that the adhesive force among the cracks is increased, and the normal use of the pavement body is ensured.

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 asphalt pavement, includes the road surface body, its characterized in that: the pavement body comprises a base layer (1) and a first reinforcing layer (2) and a second reinforcing layer (3) which are arranged on the upper side and the lower side of the base layer (1), the first reinforcing layer (2) and the second reinforcing layer (3) are tightly attached to the base layer (1), the bonding layer is arranged at the joint of the base layer (1) and is connected with the first reinforcing layer (2) and the second reinforcing layer (3), a first water passing groove (13) is formed in the first reinforcing layer (2) and the second reinforcing layer (3), and a second water passing groove (8) is formed in the base layer (1).

2. An asphalt pavement according to claim 1, characterized in that: the two ends of the first water passing groove (13) and the second water passing groove (8) are provided with a water inlet (9) and a water outlet (10), and the water inlet (9) and the water outlet (10) are arranged in a funnel shape.

3. An asphalt pavement according to claim 1, characterized in that: the bottom of first enhancement layer (2) and second enhancement layer (3) all is provided with water drainage tank (7), water drainage tank (7) extend the setting to both sides slope.

4. An asphalt pavement according to claim 1, characterized in that: the inside of first enhancement layer (2) and second enhancement layer (3) all is provided with first strengthening rib (11), first strengthening rib (11) are the level setting.

5. An asphalt pavement according to claim 4, characterized in that: the first reinforcing rib (11) is fixedly connected with a plurality of second reinforcing ribs (12) distributed in an array mode, and the second reinforcing ribs (12) are perpendicular to the first reinforcing rib (11).

6. An asphalt pavement according to claim 1, characterized in that: the upper end and the lower end of the first reinforcing layer (2) are respectively provided with an upper surface layer (4) and a lower surface layer (5).

7. An asphalt pavement according to claim 1, characterized in that: the one end that first enhancement layer (2) kept away from base layer (1) is provided with lug (6) that a plurality of arrays distribute, lug (6) are kept away from the one end of first enhancement layer (2) is provided with the arc surface.