CN217438590U - Full water-permeable shoulder structure suitable for heavy-load pavement - Google Patents
Full water-permeable shoulder structure suitable for heavy-load pavement Download PDFInfo
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- CN217438590U CN217438590U CN202220195617.3U CN202220195617U CN217438590U CN 217438590 U CN217438590 U CN 217438590U CN 202220195617 U CN202220195617 U CN 202220195617U CN 217438590 U CN217438590 U CN 217438590U
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Abstract
The utility model discloses a full permeable road shoulder structure suitable for heavy-duty pavement, which comprises a road shoulder module, wherein the road shoulder module comprises a permeable soil foundation, an overflow pipe, a graded crushed stone layer, a large-gap asphalt concrete surface layer and a waterproof geotechnical barrier; the graded gravel layer is laid on the water-permeable soil foundation, one end of the overflow pipe is arranged in the graded gravel layer, and the large-gap asphalt concrete surface layer is laid on the graded gravel layer. The utility model is suitable for the whole permeable road shoulder structure of the heavy-load pavement road surface does not change the bearing capacity of the original lane road surface structure, and is suitable for the heavy-load pavement with different grades; the surface runoff can be effectively intercepted, and the instability of the side slope caused by the scouring of a large amount of runoff is avoided; the road surface net flow is effectively reduced, and the driving safety is improved; and the design standard of auxiliary drainage facilities (side ditches and the like) can be reduced, surface runoff is purified, the environmental temperature is reduced, underground water is supplemented and the like.
Description
Technical Field
The utility model relates to a novel road surface technical field specifically is a full water-permeable path shoulder structure suitable for heavy-duty pavement road surface.
Background
The permeable pavement is used as an effective sponge facility and is mainly used for sidewalks, walking streets, garden roads and other non-motor vehicle load roads and areas such as roads, squares, parking lots and the like with light load requirements, but the permeable pavement is less applied to medium and heavy load roads due to the weak strength of each layer caused by the structural characteristics of large gaps. In addition, most municipal roads and highways in China adopt asphalt pavement structures, however, the large-gap asphalt pavement is poor in anti-scattering performance and often needs an asphalt cement material with excellent performance, so that the cost for constructing the large-gap asphalt pavement is greatly increased. The full-permeable pavement structure usually uses graded broken stones as a permeable base layer, and the permeable base layer has weaker strength, so that the asphalt surface layer is easily damaged by rutting, cracking and the like. The application of the full water-permeable structure to the road shoulder part is an effective way to solve the above problems.
SUMMERY OF THE UTILITY MODEL
This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments, and in this section as well as in the abstract of the specification and the title of the application may be somewhat simplified or omitted to avoid obscuring the purpose of this section, the abstract of the specification and the title of the application, and such simplification or omission may not be used to limit the scope of the invention.
The present invention has been made in view of the above and/or other problems occurring in the prior art.
Therefore, the utility model aims to solve the technical problem that at present because the structural feature in big space leads to each layer intensity weak and less heavy haul road in well to obtain using, the water surface structure of permeating water often uses the gradation rubble as the basic unit that permeates water simultaneously, and the intensity of the basic unit that permeates water is more weak, leads to the pitch surface course problem of rutting, fracture to appear easily.
In order to solve the technical problem, the utility model provides a following technical scheme: a full-permeable road shoulder structure suitable for a heavy-duty paved road comprises a road shoulder module, wherein the road shoulder module comprises a water-permeable soil foundation, an overflow pipe, a graded gravel layer, a large-gap asphalt concrete surface layer and a waterproof geotechnical barrier;
the graded gravel layer is laid on the water-permeable soil foundation, one end of the overflow pipe is arranged in the graded gravel layer, and the large-gap asphalt concrete surface layer is laid on the graded gravel layer.
As an optimal selection scheme of full water-permeable shoulder structure suitable for heavily load pavement road surface, wherein: the overflow pipe is characterized by further comprising a driving road module and a side slope, wherein the road module is laid on one side of the road shoulder module, the side slope is laid on the other side of the road shoulder module, and the other end of the overflow pipe extends out of the side slope.
As an optimal selection scheme of full water-permeable shoulder structure suitable for heavily load pavement road surface, wherein: the graded gravel layer comprises a gravel base layer upper layer and a gravel base layer lower layer, and the gravel base layer upper layer is laid on the gravel base layer lower layer.
As a full water-permeable road shoulder structure's an optimal selection scheme suitable for heavily load pavement road surface, wherein: waterproof geotechnique separates the shelves and includes first shelves and second and separates the shelves, first shelves set up in between curb module and the driving road module, the second separates the shelves set up in between curb module and the side slope.
As a full water-permeable road shoulder structure's an optimal selection scheme suitable for heavily load pavement road surface, wherein: the overflow pipe is provided with a plurality of overflow pipes, the interval is 50m, and the diameter is 3-5 cm.
As an optimal selection scheme of full water-permeable shoulder structure suitable for heavily load pavement road surface, wherein: the overflow pipe is provided with openings, the diameter of each opening is 6mm, and the interval is 15 m.
As an optimal selection scheme of full water-permeable shoulder structure suitable for heavily load pavement road surface, wherein: the driving road module includes lane road bed, lane basic unit and lane surface course, the lane basic unit lay in on the lane road bed, the lane surface course lay in on the lane basic unit.
As an optimal selection scheme of full water-permeable shoulder structure suitable for heavily load pavement road surface, wherein: the upper layer of the macadam foundation is 3-5cm thick and 3-5mm in particle size; the thickness of the lower layer of the macadam foundation is not less than 45cm, the particle size is 20-40mm, and the porosity is 30% -40%.
As an optimal selection scheme of full water-permeable shoulder structure suitable for heavily load pavement road surface, wherein: the water permeability coefficient of the water permeability soil foundation is not less than 10 -5 cm/s。
As an optimal selection scheme of full water-permeable shoulder structure suitable for heavily load pavement road surface, wherein: the porosity of the large-gap asphalt concrete surface layer is 18-25%, and the thickness of the large-gap asphalt concrete surface layer is not more than the thickness of the pavement surface layer.
The utility model has the advantages that: the utility model is suitable for the whole permeable road shoulder structure of the heavy-load pavement road surface does not change the bearing capacity of the original lane road surface structure, and is suitable for the heavy-load pavement with different grades; the surface runoff can be effectively intercepted, and the instability of the side slope caused by the scouring of a large amount of runoff is avoided; the road surface net flow is effectively reduced, and the driving safety is improved; the design standard of auxiliary drainage facilities can be reduced, surface runoff is purified, the environmental temperature is reduced, underground water is supplemented, and the like.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive labor. Wherein:
fig. 1 is a schematic view of an overall structure of a full permeable water shoulder structure suitable for a heavy-duty pavement according to an embodiment of the present invention;
fig. 2 is an embodiment the utility model provides an overflow pipe schematic structure among water shoulder structure is passed through entirely suitable for heavily load road pavement.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail with reference to the accompanying drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, other ways of implementing the invention may be devised different from those described herein, and it will be apparent to those skilled in the art that the invention can be practiced without departing from the spirit and scope of the invention.
Next, the present invention will be described in detail with reference to the schematic drawings, and in order to describe the embodiments of the present invention in detail, the sectional views showing the device structures will not be enlarged partially according to the general scale for convenience of description, and the schematic drawings are only examples, which should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.
Further still, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with at least one implementation of the invention is included. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Example 1
Referring to fig. 1-2, the embodiment provides a full-permeable road shoulder structure suitable for a heavy-duty pavement, including a road shoulder module 100, where the road shoulder module 100 includes a permeable soil base 101, an overflow pipe 102, a graded gravel layer 103, a large-void asphalt concrete surface layer 104, and a waterproof geotechnical barrier 105;
the graded gravel layer 103 is laid on the water-permeable soil base 101, one end of the overflow pipe 102 is arranged in the graded gravel layer 103, and the large-gap asphalt concrete surface layer 104 is laid on the graded gravel layer 103.
Furthermore, the system also comprises a driving road module 200 and a side slope 300, wherein the road module 200 is laid on one side of the shoulder module 100, the side slope 300 is laid on the other side of the shoulder module 100, and the other end of the overflow pipe 102 extends out of the side slope 300.
It should be noted that the overflow pipe 102 can lead excess water out of the road shoulder structure, so that on one hand, rainwater is not accumulated in the road shoulder for a long time, and the structure is not damaged.
Furthermore, the graded gravel layer 103 comprises a gravel base upper layer 103a and a gravel base lower layer 103b, and the gravel base upper layer 103a is laid on the gravel base lower layer 103 b.
Furthermore, the waterproof geotechnical barrier 105 comprises a first barrier 105a and a second barrier 105b, the first barrier 105a is disposed between the shoulder module 100 and the driving road module 200, and the second barrier 105b is disposed between the shoulder module 100 and the side slope 300.
It should be noted that the shoulder module 200 can be permeable to water and can store water, and the waterproof geotechnical barrier 105 can prevent water from flowing into the driving road module 200 or the side slope 300, so as to prevent the water damage on the road surface. Preferably, the waterproof geotechnical barrier 105 is waterproof geotechnical cloth or the like.
Further, the overflow pipe 102 is provided in plural at intervals of 50m and has a diameter of 3 to 5 cm.
It should be noted that the pipe diameter determines the flowing speed of rainwater from the pipe, the pipe diameter of 3-5cm can well balance the water amount in the graded crushed stone layer 103, and lead the redundant water out of the road shoulder structure, so that on one hand, rainwater cannot be accumulated in the road shoulder for a long time to cause the structure to be damaged; on the other hand, the accumulated rainwater cannot be led out from the road surface structure too quickly, and the significance of water storage of the road shoulder structure is lost.
Furthermore, the overflow pipe 102 is provided with openings 102a, and the diameter of the openings 102a is 6mm, and the interval is 15 m.
It should be noted that the openings 102a provided in the overflow pipe 102 allow rainwater stored in the gravel bed to enter the pipe as quickly as possible.
Further, the traffic road module 200 includes a traffic lane subgrade 201, a traffic lane base layer 202 and a traffic lane surface layer 203, wherein the traffic lane base layer 202 is laid on the traffic lane subgrade 201, and the traffic lane surface layer 203 is laid on the traffic lane base layer 202.
Furthermore, the thickness of the upper layer 103a of the macadam foundation is 3-5cm, and the particle size is 3-5 mm; the thickness of the lower layer 103b of the macadam foundation is not less than 45cm, the particle size is 20-40mm, and the porosity is 30-40%.
It should be noted that the porosity of 30% to 40% can enable the graded crushed stone layer 103 to obtain a certain strength and obtain good water permeability and water storage functions.
Further, the permeability coefficient of the permeable soil base 101 is not less than 10 -5 cm/s。
Furthermore, the porosity of the large-gap asphalt concrete surface layer 104 is 18-25%, and the thickness of the large-gap asphalt concrete surface layer is not more than the thickness of the roadway surface layer 203.
Specifically, the large-gap asphalt concrete surface layer 104 is open-graded asphalt concrete OGFC.
It should be noted that, for the road surface, the main road carrying the traffic load is the traffic lane, and therefore, the shoulder structure is applicable to the road of any traffic class. The main effect of curb is the stability of protection main part lane structure, provides interim lift to and supply pedestrian non-motor vehicle current usefulness, and the requirement to traffic load is lower, can adopt this kind of full water surface structure of passing firmly.
Example 2
Referring to fig. 1-2, for another embodiment of the present invention, to verify and explain the technical effect of the shoulder structure, the embodiment adopts a contrast experiment to verify the real effect of the shoulder structure by means of scientific demonstration.
Through an SWMM model, runoff coefficients of different types of road surfaces in the bidirectional six-vehicle road in a rainfall recurrence period of 10a are calculated, and the calculation results are shown in Table 1:
TABLE 1 runoff coefficient of different types of road surface in rainfall recurrence period
| Type of construction | Coefficient of total runoff | Maximum flow velocity m/s of side ditch | Maximum depth m of side ditch |
| Impervious asphalt pavement and impervious road shoulder | 0.841 | 3.47 | 0.22 |
| Waterproof asphalt pavement and full-permeable waterway shoulder | 0.514 | 2.95 | 0.18 |
The road shoulder can be visually shown from the table 1, after the road shoulder is changed into the full-permeable road shoulder, the road surface runoff coefficient is obviously reduced, the side ditch flow velocity and the water depth are obviously reduced, and the reduction of the side ditch drainage pressure and the protection of the side ditch are also facilitated.
It is important to note that the construction and arrangement of the present application as shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperatures, pressures, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter recited in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of this invention. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present inventions. Therefore, the present invention is not limited to a particular embodiment, but extends to various modifications that nevertheless fall within the scope of the appended claims.
Moreover, in an effort to provide a concise description of the exemplary embodiments, all features of an actual implementation may not be described (i.e., those unrelated to the presently contemplated best mode of carrying out the invention, or those unrelated to enabling the invention).
It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure, without undue experimentation.
It should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention is described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present invention can be modified or substituted by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.
Claims (10)
1. The utility model provides a full water route shoulder structure of passing through suitable for heavily load pavement road surface which characterized in that: the road shoulder module (100) comprises a water-permeable soil foundation (101), an overflow pipe (102), a graded gravel layer (103), a large-gap asphalt concrete surface layer (104) and a waterproof geotechnical barrier (105);
the graded gravel layer (103) is laid on the water-permeable soil foundation (101), one end of the overflow pipe (102) is arranged in the graded gravel layer (103), and the large-gap asphalt concrete surface layer (104) is laid on the graded gravel layer (103).
2. The fully water permeable shoulder structure for heavy-duty paved road according to claim 1, wherein: still include driving road module (200) and side slope (300), road module (200) are laid curb module (100) one side, side slope (300) are laid curb module (100) opposite side, overflow pipe (102) other end is followed side slope (300) stretch out.
3. The fully permeable waterway shoulder structure suitable for a heavy-duty pavement according to claim 1 or 2, wherein: the graded gravel layer (103) comprises a gravel base layer upper layer (103a) and a gravel base layer lower layer (103b), and the gravel base layer upper layer (103a) is laid on the gravel base layer lower layer (103 b).
4. The fully water permeable shoulder structure for heavy-duty paved road according to claim 3, wherein: waterproof geotechnique separates shelves (105) including first shelves (105a) and second shelves (105b), first shelves (105a) that separate set up in between curb module (100) and driving road module (200), second separates shelves (105b) set up in between curb module (100) and side slope (300).
5. The fully water permeable shoulder structure for the heavily paved road according to claim 4, wherein: the overflow pipes (102) are arranged in a plurality at intervals of 50m and have the diameter of 3-5 cm.
6. The fully water permeable shoulder structure for heavy-duty paved road according to claim 5, wherein: the overflow pipe (102) is provided with openings (102a), the diameter of each opening (102a) is 6mm, and the interval is 15 m.
7. The full water penetration shoulder structure suitable for the heavy-duty pavement according to any one of claims 4 to 6, wherein: the traffic road module (200) comprises a traffic lane roadbed (201), a traffic lane base layer (202) and a traffic lane surface layer (203), the traffic lane base layer (202) is laid on the traffic lane roadbed (201), and the traffic lane surface layer (203) is laid on the traffic lane base layer (202).
8. The fully water permeable shoulder structure for heavy-duty paved road according to claim 7, wherein: the thickness of the upper layer (103a) of the macadam foundation layer is 3-5cm, and the particle size is 3-5 mm; the thickness of the lower layer (103b) of the macadam foundation is not less than 45cm, the particle size is 20-40mm, and the porosity is 30-40%.
9. The fully water permeable shoulder structure for heavy-duty paved road according to claim 8, wherein: the water permeability coefficient of the water permeability soil foundation (101) is not less than 10 -5 cm/s。
10. The fully permeable waterway shoulder structure suitable for a heavy-duty pavement according to claim 8 or 9, wherein: the porosity of the large-gap asphalt concrete surface layer (104) is 18-25%, and the thickness of the large-gap asphalt concrete surface layer is not more than that of the traffic lane surface layer (203).
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117188239A (en) * | 2023-08-29 | 2023-12-08 | 中国路桥工程有限责任公司 | Long-life asphalt pavement structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117188239A (en) * | 2023-08-29 | 2023-12-08 | 中国路桥工程有限责任公司 | Long-life asphalt pavement structure |
| CN117188239B (en) * | 2023-08-29 | 2025-09-19 | 中国路桥工程有限责任公司 | Long-life asphalt pavement structure |
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Effective date of registration: 20240118 Address after: 200092 Yangpu District, Shanghai, 100 Kwun Road, 2 level (centralized registration) Patentee after: Tongluda (Shanghai) Transportation Technology Co.,Ltd. Patentee after: Tongluda (Jinan) Transportation Technology Co.,Ltd. Patentee after: Tongluda (Zhengzhou) Transportation Technology Co.,Ltd. Patentee after: Tongluda (Suzhou) Transportation Technology Co.,Ltd. Address before: 201800 room 105, floor 1, building 1, No. 6988, Jiasong North Road, Jiading District, Shanghai J90 Patentee before: Tongluda (Shanghai) Ecological Technology Co.,Ltd. Patentee before: Tongluda (Taizhou) Ecological Technology Co.,Ltd. Patentee before: Tongluda (Qingdao) Ecological Technology Co.,Ltd. |
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