CN218345840U

CN218345840U - Water-stable gravel pavement structure

Info

Publication number: CN218345840U
Application number: CN202222944255.6U
Authority: CN
Inventors: 范建平
Original assignee: Nantong Yangfan New Building Materials Co ltd
Current assignee: Nantong Yangfan New Building Materials Co ltd
Priority date: 2022-11-03
Filing date: 2022-11-03
Publication date: 2023-01-20
Anticipated expiration: 2032-11-03

Abstract

The utility model discloses a steady rubble pavement road surface structure of water, including basement road bed, cement stabilization rubble layer and pavement layer, basement road bed up end is spread and is equipped with cement stabilization rubble layer, and cement stabilization rubble layer up end is spread and is equipped with pavement layer, still includes a plurality of hydrophobic subassemblies that inlay the terminal surface under pavement layer, and hydrophobic subassemblies include horizontal hydrophobic body, and the both sides on pavement layer are stretched out at the both ends of horizontal hydrophobic body, seted up hydrophobic hole on the lateral wall that horizontal hydrophobic body contacted with pavement layer, the diapire of horizontal hydrophobic body is pressed and is pasted at cement stabilization rubble layer up end. The utility model has the advantages of reasonable design, the convenient operation of mating formation, the road surface after the shaping can in time discharge the rainwater that gathers in the middle of the lower basic unit of rubble with cement stabilization, avoids the road surface to produce the water damage problem under rainwater long time's infiltration.

Description

Steady rubble pavement road surface structure of water

Technical Field

The utility model relates to a road engineering technical field specifically is a steady rubble pavement structure of water.

Background

The cement stabilized macadam is made up by using graded macadam as aggregate, adopting a certain quantity of cementing material and enough mortar volume to fill the gap of aggregate, laying and compacting according to the embedding and extruding principle, and curing, and when its strength is up to the defined requirement, it is called cement stabilized macadam. Its initial strength is high, and its strength can be quickly increased with age, and can be quickly formed into plate body, so that it has high strength, and good impermeability and frost resistance. Is an ideal base material for high-grade pavement.

With the rapid development of the economy of China, more and more high-grade roads enter the peak period of reconstruction and expansion. The road surface of a high-grade highway is wider and wider, and due to the fact that cement stabilized macadam has good impermeability, rainwater permeating into the road surface cannot be discharged quickly and timely, and the road surface is prone to water damage problems such as road surface loosening, frost heaving and slurry turning under the condition that the road surface is soaked by the rainwater for a long time. Such as: the Chinese utility model patent (No. CN 217536550U, no. 2022.10.04) discloses a compound modified asphalt pavement structure for municipal branches in alpine regions, which adopts cement-stabilized macadam as a base layer, and C20 concrete backrest and curb stone are paved on both sides of the cement-stabilized macadam, so that the cement-stabilized macadam, the C20 concrete backrest and the curb stone form a groove structure which is easy to accumulate rainwater, and if the rainwater cannot be effectively and timely discharged, the problem of water damage of the pavement is easily caused. Therefore, how to design a convenient pavement operation, the rainwater of being convenient for to gather in time discharges, avoids the road surface to produce the steady rubble of water damage problem road surface structure of mating formation under rainwater long-term infiltration, becomes the technical problem that this application needs to solve.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a steady rubble pavement structure of water to solve the problem that proposes in the above-mentioned background art.

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

the utility model provides a steady rubble pavement road surface structure of water, stabilizes rubble layer and road surface pavement layer including basement road bed, cement, basement road bed up end is spread and is equipped with cement and stabilizes the rubble layer, and cement is stabilized the rubble layer up end and is spread and be equipped with the road surface pavement layer, still includes a plurality of hydrophobic subassemblies that inlay the terminal surface under the road surface pavement layer, and hydrophobic subassembly includes horizontal hydrophobic pipe body, and the both ends of horizontal hydrophobic pipe body stretch out the both sides on road surface pavement layer, seted up hydrophobic hole on the lateral wall in horizontal hydrophobic pipe body and road surface pavement layer contact, the diapire of horizontal hydrophobic pipe body is pressed and is pasted at cement and stabilizes the rubble layer up end.

As a further scheme of the present invention, the lateral drainage pipe body comprises a pipe body bottom plate, a set of symmetrically arranged pipe body inclined wall plates and a pipe body top plate, wherein the lower side edges of the pipe body inclined wall plates are fixedly connected to the pipe body bottom plate, and the upper side edges of the pipe body inclined wall plates are fixedly connected to the pipe body top plate;

the drain holes comprise top drain holes distributed on the top plate of the pipe body and side drain holes distributed on the inclined wall plate of the pipe body; and a plurality of vertical supporting plates for supporting the inclined tube wall plate and the tube top plate are further distributed and fixed on the tube bottom plate.

As a further scheme of the utility model, the hydrophobic component still includes that the top permeates water the filter bed and a pair of skew wall permeates water the filter bed, two sides of body roof extend has the flange strip, the top permeates water the filter bed and spreads and paste on the body roof between two flange strips, the skew wall permeates water the filter bed and spreads and paste on body skew wall board outer wall. The top filter layer that permeates water and the filter layer that permeates water of skew wall can specifically adopt the geotechnological cloth that permeates water, through better ventilative, water permeability, make rivers flow into horizontal hydrophobic pipe body, and the material of pavement of separation simultaneously avoids the material of pavement to run off.

As the utility model discloses further scheme, rubble stratum basale is stabilized to cement includes cement and stabilizes rubble underlayment and cement and stabilizes rubble basic unit down, and cement stabilizes rubble underlayment paves at basement road bed up end, and cement stabilizes rubble basic unit pavement down at cement and stabilizes rubble underlayment up end.

As a further scheme of the utility model, the road surface layer of mating formation includes pitch rubble permeable formation, coarse grain formula asphalt concrete layer, well grain formula asphalt concrete layer and fine grain formula asphalt concrete layer, pitch rubble permeable formation shop dress is at the cement stabilized macadam lower base up end, and horizontal hydrophobic body distributes and inlays the terminal surface under the pitch rubble permeable formation, coarse grain formula asphalt concrete layer paves at pitch rubble permeable formation up end, and well grain formula asphalt concrete layer paves at coarse grain formula asphalt concrete layer up end, and fine grain formula asphalt concrete layer paves at well grain formula asphalt concrete layer up end.

As the utility model discloses further scheme still includes the spacing portion of road shoulder and the waterproof interlayer of shop-mounting at basement roadbed both sides side, the side of basic unit under spacing portion of road shoulder cladding cement stabilized macadam underlayment and the cement stabilized macadam simultaneously, waterproof interlayer cladding cement stabilized macadam simultaneously is base unit up end side and the spacing portion of road shoulder under, and the side of pitch rubble permeable formation is pressed and is pasted on waterproof interlayer. The waterproof interlayer plays a role in drainage of rainwater, and can guide the rainwater to the outer side of the road surface, so that the rainwater is prevented from directly entering a gap between the shoulder limiting part and the cement stabilized gravel layer.

As a further proposal of the utility model, the utility model also comprises kerb stones paved on the two sides of the asphalt macadam permeable layer, the inner side walls of the kerb stones are attached to the side ends of the coarse particle type asphalt concrete layer, the medium particle type asphalt concrete layer and the fine particle type asphalt concrete layer; and concrete limiting parts for limiting the curb blocks are also built on the side edges of the two sides of the asphalt macadam permeable formation.

As the utility model discloses further scheme, still including laying the lateral part overburden layer at basement roadbed both sides side, lateral part overburden layer covers spacing portion of curb, waterproof interlayer outside along, hydrophobic subassembly tip, the spacing portion of pitch rubble permeable formation lateral part and concrete simultaneously.

Compared with the prior art, the beneficial effects of the utility model are that: the drainage component is embedded in the lower end face of the pavement layer, the transverse drainage pipe of the drainage component is pressed and attached to the upper end face of the cement stabilized macadam layer, after pavement is finished, the drainage component can form a stable internal drainage groove between the pavement layer and the cement stabilized macadam lower base layer, rainwater accumulated in the middle of the cement stabilized macadam lower base layer can be timely drained, and the problem that the pavement is damaged by water when the pavement is soaked by rainwater for a long time is solved;

the transverse drainage pipe body has a relatively reasonable structure and good pressure resistance, is favorable for pavement of a pavement layer and guiding and draining rainwater;

the utility model has the advantages of reasonable design, the convenient operation of mating formation, the road surface after the shaping can in time discharge the rainwater that gathers in the middle of the lower basic unit of rubble with cement stabilization, avoids the road surface to produce the water damage problem under rainwater long time's infiltration.

Drawings

FIG. 1 is a schematic perspective view of a water-stable gravel paved road structure;

FIG. 2 is a schematic view of a three-dimensional structure of an unpaved pavement layer of a water-stable stone-paved pavement structure;

FIG. 3 is a schematic diagram of an exploded perspective view of a hydrophobic component of a water-stable gravel pavement structure;

FIG. 4 is a schematic view of a cross-sectional structure of a soil covering layer on the side of a water-stable gravel paved road structure;

fig. 5 is a schematic sectional view of a water-stable gravel paved road structure without a side cover soil layer.

In the figure: 100-base roadbed, 200-side covering layer, 1-cement stabilized macadam underlayer, 2-cement stabilized macadam underlayer, 21-waterproof interlayer, 3-asphalt macadam permeable layer, 4-coarse grain type asphalt concrete layer, 5-medium grain type asphalt concrete layer, 6-fine grain type asphalt concrete layer, 7-hydrophobic component, 71-pipe body bottom plate, 72-pipe body inclined wall plate, 721-side hydrophobic hole, 73-pipe body top plate, 731-top hydrophobic hole, 732-edge blocking strip, 74-vertical supporting plate, 75-inclined wall permeable filter layer, 76-top permeable filter layer, 8-curb block, 81-concrete limiting part and 9-curb limiting part.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 efforts all belong to the protection scope of the present invention.

Please refer to fig. 1-5, a water-stabilized macadam pavement structure, includes base roadbed 100, cement stabilized macadam layer and road pavement layer, base roadbed 100 upper end surface is paved with cement stabilized macadam layer, and road pavement layer is paved with cement stabilized macadam layer upper end surface, and wherein, cement stabilized macadam layer can specifically include cement stabilized macadam underlayment 1 and cement stabilized macadam lower base course 2, and cement stabilized macadam underlayment 1 paves at base roadbed 100 up end, and cement stabilized macadam lower base course 2 paves at cement stabilized macadam underlayment 1 up end.

The embodiment of the utility model provides a still include a plurality of hydrophobic component 7 of inlaying terminal surface under the road surface pavement layer, hydrophobic component 7 includes horizontal hydrophobic body, and the both ends of horizontal hydrophobic body stretch out the both sides on road surface pavement layer, seted up hydrophobic hole on the lateral wall that horizontal hydrophobic body contacted with the road surface pavement layer, the diapire of horizontal hydrophobic body is pressed and is pasted 2 up ends of basic unit under the rubble is stabilized to cement.

The utility model discloses a theory of operation is: the lower terminal surface of road surface pavement layer inlays and is equipped with hydrophobic subassembly 7, and hydrophobic subassembly 7's horizontal drain pipe body pressure is pasted at cement stabilization gravel layer up end, and after road surface pavement accomplishes, hydrophobic subassembly 7 can form stable inside hydrophobic "slot" between base course 2 under road surface pavement layer and the cement stabilization gravel, can in time discharge the rainwater of gathering in the middle of base course 2 under the cement stabilization gravel, avoids the road surface to produce the water damage problem under the infiltration of rainwater long time.

As a specific scheme of this embodiment, the horizontal drain pipe body includes a pipe body bottom plate 71, a set of pipe body inclined wall plates 72 and a pipe body top plate 73, which are symmetrically arranged, a lower side of each pipe body inclined wall plate 72 is fixedly connected to the pipe body bottom plate 71, and an upper side of each pipe body inclined wall plate 72 is fixedly connected to the pipe body top plate 73; the drainage holes comprise top drainage holes 731 distributed on the tube top plate 73 and side drainage holes 721 distributed on the tube inclined wall plate 72; the pipe body bottom plate 71 is further fixedly provided with a plurality of vertical supporting plates 74 used for supporting the pipe body inclined wall plate 72 and the pipe body top plate 73 in a distributed mode, the vertical supporting plates 74 can be fixed in a welding mode, the overall pressure resistance of the transverse drainage pipe body can be increased through the vertical supporting plates 74, the pipe body shape can be kept stable, and drainage are facilitated. Through top drainage hole 731 and lateral drainage hole 721, be convenient for with the leading-in horizontal drainage body of rainwater of infiltration road surface pavement layer. Obviously, the inclined wall plate 72 of body and body roof 73 in this embodiment can be formed through the punching press preparation by the integral type steel sheet, and the side can weld on body bottom plate 71 under the inclined wall plate 72 of body, and the horizontal drainage pipe body after the shaping is whole to be trapezoidal setting, not only is favorable to the pavement of road surface pavement layer to be mated formation, still is favorable to guiding and dredging the row the rainwater.

As a further scheme, the hydrophobic component 7 further includes a top water-permeable filter layer 76 and a pair of inclined-wall water-permeable filter layers 75, the two side edges of the pipe body top plate 73 extend with the edge blocking strips 732, the top water-permeable filter layer 76 is laid on the pipe body top plate between the two edge blocking strips 732, and the inclined-wall water-permeable filter layers 75 are laid on the outer wall of the pipe body inclined wall plate 72. The top water-permeable filter layer 76 and the inclined wall water-permeable filter layer 75 can specifically adopt water-permeable geotextile, and water flows into the transverse hydrophobic pipe body through better air permeability and water permeability, and meanwhile, pavement paving materials are separated, and the pavement materials are prevented from running off. In order to improve the stability of the top water-permeable filter layer 76 and the inclined wall water-permeable filter layer 75, when the construction is applied, a metal baffle net can be laid on the top water-permeable filter layer 76 and the inclined wall water-permeable filter layer 75, the peripheral edge of the metal baffle net is welded and fixed with the transverse hydrophobic pipe body, the top water-permeable filter layer 76 and the inclined wall water-permeable filter layer 75 are limited through the metal baffle net, and the situation that the top water-permeable filter layer 76 and the inclined wall water-permeable filter layer 75 are displaced in the paving process and cannot completely cover the hydrophobic holes is avoided.

Wherein, the road surface pavement layer includes pitch rubble permeable formation 3, coarse grain formula asphalt concrete layer 4, medium grain formula asphalt concrete layer 5 and fine grain formula

asphalt concrete layer

6, 2 up end of basic unit under the cement stabilized macadam are mated to pitch rubble permeable formation 3, and horizontal hydrophobic tube body distributes and inlays the terminal surface under pitch rubble permeable formation 3, coarse grain formula asphalt concrete layer 4 is mated at pitch rubble permeable formation 3 up end, and medium grain formula asphalt concrete layer 5 is mated at 4 up end on coarse grain formula asphalt concrete layer, and fine grain formula asphalt concrete layer 6 is mated at medium grain formula asphalt concrete layer 5 up end. Obviously, the coarse asphalt concrete layer 4 in the present embodiment may be formed by coarse asphalt concrete AC-25C, the medium asphalt concrete layer 5 may be formed by medium asphalt concrete AC-20C, and the fine asphalt concrete layer 6 may be formed by fine asphalt concrete AC-13C.

This embodiment still can be including paving at the spacing portion of curb 9 and the waterproof interlayer 21 of the 100 both sides of basement roadbed, and waterproof interlayer 21 can specifically adopt prevention of seepage geotechnological cloth, the side of basic unit 2 under the spacing portion of curb 9 cladding cement stabilized macadam underlayment 1 and the cement stabilized macadam simultaneously, waterproof interlayer 21 cladding cement stabilized macadam simultaneously is 2 up end sides of basic unit and the spacing portion of curb 9 down, and the side of pitch rubble permeable formation 3 is pressed and is pasted on waterproof interlayer 21. The road shoulder limiting part 9 can be built by M7.5 grouted rubbles, and can play a role in protecting the end parts of the cement stabilized macadam subbase layer 1 and the cement stabilized macadam subbase layer 2; waterproof interlayer 21 plays the drainage effect to the rainwater, can guide the rainwater to the road surface outside, avoids the rainwater directly to get into in the spacing portion of curb 9 and the clearance between the cement stabilization gravel layer.

The embodiment also comprises a curb block 8 paved on the two side edges of the asphalt macadam permeable layer 3, wherein the inner side wall of the curb block 8 is attached to the side ends of the coarse-grained asphalt concrete layer 4, the medium-grained asphalt concrete layer 5 and the fine-grained asphalt concrete layer 6; and concrete limiting parts 81 for limiting the curb stones 8 are also built on the side edges of the two sides of the asphalt macadam permeable layer 3. Curb stone 8 and the spacing portion of concrete 81 cooperation play the effect on protection road surface.

The embodiment further comprises a lateral covering layer 200 laid on the two side edges of the base roadbed 100, and the lateral covering layer 200 covers the shoulder limiting part 9, the outer edge of the waterproof interlayer 21, the end part of the hydrophobic component 7, the lateral part of the asphalt macadam permeable layer 3 and the concrete limiting part 81. The side cover soil layer 200 may function to protect the side of the roadbed.

In the present invention, the terms such as "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "side", "bottom", etc. indicate the position or positional relationship based on the position or positional relationship shown in the drawings, and are only the terms determined for the convenience of describing the structural relationship of each component or element of the present invention, and are not specific to any component or element of the present invention, and are not to be construed as limiting the present invention.

Claims

1. The utility model provides a steady rubble pavement road surface structure of water, stabilizes rubble layer and road surface pavement layer including basement road bed (100), cement, rubble layer is stabilized to basement road bed (100) up end shop, and the road surface pavement layer, its characterized in that are equipped with to the rubble layer up end shop of cement stabilization: the water draining device is characterized by further comprising a plurality of water draining assemblies (7) embedded on the lower end face of the pavement layer, each water draining assembly (7) comprises a transverse water draining pipe body, two ends of each transverse water draining pipe body extend out of two sides of the pavement layer, and water draining holes are formed in the side wall, contacting with the pavement layer, of each transverse water draining pipe body.

2. The water-stable gravel pavement structure of claim 1, wherein: the horizontal drainage pipe body comprises a pipe body bottom plate (71), a group of pipe body inclined wall plates (72) and a pipe body top plate (73), wherein the pipe body inclined wall plates (72) are symmetrically arranged, the lower side edges of the pipe body inclined wall plates (72) are fixedly connected to the pipe body bottom plate (71), and the upper side edges of the pipe body inclined wall plates (72) are fixedly connected with the pipe body top plate (73);

the drainage holes comprise top drainage holes (731) distributed on the top plate (73) of the pipe body and side drainage holes (721) distributed on the inclined wall plate (72) of the pipe body.

3. The water-stable macadam pavement structure according to claim 2, characterized in that: the water drainage component (7) further comprises a top water permeable filter layer (76) and a pair of inclined wall water permeable filter layers (75), two side edges of the pipe body top plate (73) extend to form rib strips (732), the top water permeable filter layer (76) is paved and adhered to the pipe body top plate () between the two rib strips (732), and the inclined wall water permeable filter layer (75) is paved and adhered to the outer wall of the inclined wall plate (72) of the pipe body.

4. The water-stable macadam pavement structure according to claim 1, characterized in that: the gravel layer is stabilized to cement includes basic unit (2) under gravel subbase is stabilized to cement (1) and the gravel, and gravel subbase (1) is mated formation on basement road bed (100) up end, and basic unit (2) is mated formation at gravel subbase is stabilized to cement (1) up end under the gravel is stabilized to cement.

5. The water-stable macadam pavement structure according to claim 4, characterized in that: the road surface pavement layer includes pitch rubble permeable formation (3), coarse grain formula asphalt concrete layer (4), well grain formula asphalt concrete layer (5) and fine grain formula asphalt concrete layer (6), base layer (2) up end under the cement stabilized macadam is mated formation in pitch rubble permeable formation (3), and horizontal hydrophobic pipe body distributes and inlays the terminal surface under pitch rubble permeable formation (3), coarse grain formula asphalt concrete layer (4) are mated formation at pitch rubble permeable formation (3) up end, and well grain formula asphalt concrete layer (5) are mated formation at coarse grain formula asphalt concrete layer (4) up end, and fine grain formula asphalt concrete layer (6) are mated formation at well grain formula asphalt concrete layer (5) up end.

6. The water-stable gravel pavement structure of claim 5, wherein: still including paving spacing portion of curb (9) and waterproof interlayer (21) at basement roadbed (100) both sides side, the side of basic unit (2) under spacing portion of curb (9) cladding cement stabilized macadam underlayment (1) and the cement stabilized macadam simultaneously, basic unit (2) up end side and spacing portion of curb (9) under waterproof interlayer (21) cladding cement stabilized macadam simultaneously.

7. The water-stable macadam pavement structure according to claim 5, characterized in that: the asphalt macadam permeable layer is characterized by further comprising curb blocks (8) paved on the side edges of the two sides of the asphalt macadam permeable layer (3), wherein the inner side walls of the curb blocks (8) are attached to the side ends of the coarse grain type asphalt concrete layer (4), the medium grain type asphalt concrete layer (5) and the fine grain type asphalt concrete layer (6);

and concrete limiting parts (81) for limiting the curb stones (8) are also built on the side edges of the two sides of the asphalt macadam permeable layer (3).

8. The water-stable gravel pavement structure of claim 7, wherein: still including laying in lateral part earthing layer (200) of basement road bed (100) both sides side, lateral part earthing layer (200) covers spacing portion of shoulder (9), waterproof interlayer (21) outer fringe, hydrophobic subassembly (7) tip, pitch rubble permeable formation (3) lateral part and spacing portion of concrete (81) simultaneously.