CN209759944U

CN209759944U - Drainage road surface structure combination

Info

Publication number: CN209759944U
Application number: CN201822236524.7U
Authority: CN
Inventors: 石方红; 黄凤苗; 曹云刚; 申大坤
Original assignee: GUIZHOU TRANSPORT SCIENCE RESEARCH INSTITUTE SHARES
Current assignee: GUIZHOU TRANSPORT SCIENCE RESEARCH INSTITUTE SHARES
Priority date: 2018-12-28
Filing date: 2018-12-28
Publication date: 2019-12-10
Anticipated expiration: 2028-12-28

Abstract

The utility model discloses a drainage pavement structure combination, which comprises a graded broken stone subbase, wherein a cement stabilized broken stone base layer is laid at the top end of the graded broken stone subbase, and an asphalt permeable layer, a geogrid, an asphalt surface treatment lower seal layer, a coarse-grained asphalt concrete surface layer, an emulsified asphalt adhesive layer and a waterproof layer are sequentially laid at the top end of the cement stabilized broken stone base layer from bottom to top; the top of the waterproof layer is paved into a concrete pavement layer, and the concrete pavement layer comprises an open-graded asphalt concrete surface layer and a close-graded asphalt concrete surface layer. The utility model discloses rely on the water permeability of bituminous concrete face and rubble, form the drainage pavement structure of grading, increase the holistic drainage performance that permeates water in road surface, in letting the rainwater directly permeate the road surface, prevent that the rainwater from collecting on the road surface and taking place the not smooth condition of urban flood drainage, be favorable to this drainage pavement structure's use.

Description

Drainage road surface structure combination

Technical Field

The utility model relates to an urban road drainage field specifically is a drainage road surface structure combination.

Background

Along with the rapid development of urban construction, people attach importance to the construction of municipal roads, particularly attach importance to the flood control effect of the roads for the construction of the municipal roads, and roads paved by different structures appear on the market to form a drainage pavement structure; however, in the current drainage pavement structure, due to the fact that the pavement material is compact, the water permeability and the drainage performance of the pavement are poor, drainage unsmooth often occurs on the pavement, rainwater is collected on the surface of the pavement, driving safety and pedestrian walking are affected, and urban flood disasters are easily caused; particularly in the rainwater season in the south, the rainfall is large, rainwater on a road surface cannot be timely discharged to be collected on the road surface, the vehicle passing and pedestrian walking are influenced, and great inconvenience is brought to urban traffic and flood control.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a drainage road surface structural grouping to the road surface material who provides in solving above-mentioned background art is closely knit, and the water permeability and the drainage performance on road surface are poor, cause urban road flood's problem easily.

In order to achieve the above object, the utility model provides a following technical scheme:

A drainage pavement structure combination comprises a graded broken stone subbase, wherein a cement stabilized broken stone base layer is laid at the top end of the graded broken stone subbase, and an asphalt permeable layer, a geogrid, an asphalt surface treatment lower sealing layer, a coarse-grained asphalt concrete surface layer, an emulsified asphalt adhesive layer and a waterproof layer are sequentially laid at the top end of the cement stabilized broken stone base layer from bottom to top; laying a concrete pavement layer on the top of the waterproof layer, wherein the concrete pavement layer comprises an open-graded asphalt concrete pavement layer and a close-graded asphalt concrete pavement layer; the tops of the graded broken stone subbase are distributed at intervals and are vertically inserted with fastening mechanisms; the fastening mechanism comprises fastening columns which are vertically inserted into the concrete pavement layer, the waterproof layer, the emulsified asphalt adhesive layer, the coarse-grain asphalt concrete surface layer, the asphalt permeable layer and the graded broken stone subbase layer in sequence.

Preferably, the top end of the fastening column is fixedly connected with a top block positioned in the concrete pavement layer.

Preferably, the overlooking appearance of the top block is of a circular structure, and circular grooves are distributed on the outer surface of the top block.

Preferably, the outer side wall of the fastening column is fixedly connected with a barb.

Preferably, the bottom end of the fastening column is fixedly connected with an insertion cone extending into the graded gravel base layer.

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

1. The utility model discloses a gradation rubble subbase that sets up, cement stabilized rubble basic unit, the pitch permeable stratum, geogrid, the seal under asphalt surface punishment, coarse grain formula asphalt concrete surface course, the emulsified asphalt adhesion coating, the waterproof layer, open gradation asphalt concrete surface course and close gradation asphalt concrete surface course, can rely on the water permeability of asphalt concrete face and rubble, form the drainage road surface structure of opening gradation, increase the holistic drainage performance that permeates through in road surface, let the rainwater directly permeate in the road surface, prevent that the rainwater from collecting and taking place the not smooth condition of city flood drainage on the road surface, be favorable to this drainage road surface structure's use.

drawings

FIG. 1 is a longitudinal section view of the structure of the present invention;

FIG. 2 is a structural plan view of the present invention;

Fig. 3 is a schematic structural diagram of the fastening mechanism of the present invention.

In the figure: the concrete composite asphalt concrete pavement comprises a 1-grade broken stone subbase layer, a 2-cement stabilized broken stone base layer, a 3-asphalt permeable layer, a 4-geogrid, a 5-asphalt surface treatment lower seal layer, a 6-coarse-grain asphalt concrete surface layer, a 7-emulsified asphalt adhesive layer, an 8-waterproof layer, a 9-grade asphalt concrete surface layer, a 10-grade dense asphalt concrete surface layer, 11-fastening mechanisms, 111-fastening columns, 112-top blocks, 113-insertion cones and 114 barbs.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution:

A drainage pavement structure combination comprises a graded broken stone subbase 1, a cement stabilized broken stone base layer 2 is laid on the top end of the graded broken stone subbase 1, and an asphalt permeable layer 3, a geogrid 4, an asphalt surface treatment lower seal layer 5, a coarse-grain asphalt concrete surface layer 6, an emulsified asphalt adhesive layer 7 and a waterproof layer 8 are sequentially laid on the top end of the cement stabilized broken stone base layer 2 from bottom to top; the top of the waterproof layer 8 is paved into a concrete pavement layer, and the concrete pavement layer comprises an open-graded asphalt concrete surface layer 9 and a close-graded asphalt concrete surface layer 10; the tops of the graded broken stone subbase layers 1 are distributed at intervals and are vertically inserted with fastening mechanisms 11; the fastening mechanism 11 comprises fastening columns 111 which are vertically inserted into a concrete pavement layer, a waterproof layer 8, an emulsified asphalt adhesive layer 7, a coarse-grained asphalt concrete surface layer 6, an asphalt permeable layer 3 and a graded broken stone subbase layer 1 in sequence.

The top end of the fastening column 111 is fixedly connected with a top block 112 positioned in a concrete pavement layer; the overlooking appearance of the top block 112 is a circular structure, and circular grooves are distributed on the outer surface of the top block 112; the outer side wall of the fastening column 111 is fixedly connected with a barb 114; the bottom end of the fastening column 111 is fixedly connected with an insertion cone 113 extending into the graded broken stone subbase 1; the cooperation of utilizing inserting awl 113, kicking block 112 and barb 114 can install fastening post 111 in this drainage pavement structure rapidly for fastening post 111 can be in an organic whole with each layer fastening connection of pavement structure, is favorable to the long-term use on this drainage pavement.

The utility model discloses a gradation rubble subbase 1 that sets up, cement stabilized macadam basic unit 2, pitch permeable stratum 3, geogrid 4, seal 5 under the asphalt surface punishment, coarse grain formula asphalt concrete surface course 6, emulsified asphalt adhesive linkage 7, waterproof layer 8, open gradation asphalt concrete surface course 9 and the density gradation asphalt concrete surface course 10 of joining in marriage, can rely on the water permeability of asphalt concrete face and rubble, form and open gradation drainage road surface structure, increase the holistic drainage performance that permeates water in road surface, let the rainwater directly permeate the road surface in, prevent that the rainwater from collecting on the road surface and taking place the not smooth condition of city flood drainage, be favorable to this drainage road surface structure's use.

the utility model considers that the road surfaces with different structure types are combined, one part is used for the conventional road surface, and the other part adopts the drainage road surface, so that the rainwater can be drained out of the road surface in time; the drained rainwater enters a rainwater pipeline and enters a city drainage system.

The working principle is as follows: when the waterproof foundation is used, the fastening column 111 is vertically inserted into the graded broken stone subbase 1 by the insertion cone 113 in advance, the barb 114 of the fastening column 111 is fastened and combined with the graded broken stone subbase 1 into a whole, so that the fastening column 111 can be used conveniently, and then the cement-stabilized broken stone base layer 2, the asphalt permeable layer 3, the geogrid 4, the asphalt surface treatment lower sealing layer 5, the coarse-grained asphalt concrete surface layer 6, the emulsified asphalt adhesive layer 7, the waterproof layer 8, the open-graded asphalt concrete surface layer 9 and the close-graded asphalt concrete surface layer 10 are laid above the graded broken stone subbase 1 to finish the laying of the drainage pavement structure.

Wherein, the setting of fastening post 111 can increase the whole steadiness of drainage road surface structure, prevents that drainage road surface from taking place the condition of sinking, is favorable to driving safety and pedestrian's walking.

The utility model discloses can be used for different urban road to construct, especially be used for southern area rainwater season, the great town road highway section of precipitation, the dispersion drainage ensures that the drainage is unobstructed, makes things convenient for the safe traffic of going of vehicle and pedestrian's safety current.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A drainage pavement structure combination, includes graded rubble subbase (1), its characterized in that: a cement stabilized macadam base layer (2) is laid on the top end of the graded macadam subbase layer (1), and an asphalt permeable layer (3), a geogrid (4), an asphalt surface treatment lower sealing layer (5), a coarse-grained asphalt concrete surface layer (6), an emulsified asphalt adhesive layer (7) and a waterproof layer (8) are sequentially laid on the top end of the cement stabilized macadam base layer (2) from bottom to top; the top of the waterproof layer (8) is paved into a concrete pavement layer, and the concrete pavement layer comprises an open-graded asphalt concrete surface layer (9) and a dense-graded asphalt concrete surface layer (10); the tops of the graded broken stone subbase layers (1) are distributed at intervals and are vertically inserted with fastening mechanisms (11); the fastening mechanism (11) comprises fastening columns (111) which are vertically inserted into a concrete pavement layer, a waterproof layer (8), an emulsified asphalt adhesive layer (7), a coarse-grained asphalt concrete surface layer (6), an asphalt permeable layer (3) and a graded broken stone subbase layer (1) in sequence.

2. A draining pavement structure assembly according to claim 1, characterized in that: the top end of the fastening column (111) is fixedly connected with a top block (112) positioned in a concrete pavement layer.

3. A draining pavement structure assembly according to claim 2, characterized in that: the overlooking appearance of the top block (112) is of a circular structure, and circular grooves are distributed on the outer surface of the top block (112).

4. a draining pavement structure assembly according to claim 1, characterized in that: barbs (114) are fixedly connected to the outer side walls of the fastening columns (111).

5. A draining pavement structure assembly according to claim 1, characterized in that: the bottom end of the fastening column (111) is fixedly connected with an insertion cone (113) extending into the graded broken stone subbase layer (1).