CN209602892U - A kind of highway subgrade structure - Google Patents
A kind of highway subgrade structure Download PDFInfo
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- CN209602892U CN209602892U CN201822111801.1U CN201822111801U CN209602892U CN 209602892 U CN209602892 U CN 209602892U CN 201822111801 U CN201822111801 U CN 201822111801U CN 209602892 U CN209602892 U CN 209602892U
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Abstract
The utility model relates to a kind of highway subgrade structures, including base course and supercrust, it is provided with water-permeable filter layer and sand mat of subgrade from the bottom to top between the base course and supercrust, anti-settling component is provided between the base course and water-permeable filter layer, the anti-settling component includes support column and metal mesh, base course is run through in the lower end of the support column, and the upper end of support column is provided with metal mesh, and the metal mesh is laid on the lower section of water-permeable filter layer.The highway subgrade structure of the utility model is structurally reasonable, firm, bearing capacity is high, by water-permeable filter layer, sand mat of subgrade and the aqueduct between base course and supercrust, so that the water for penetrating into road surface is quickly discharged, so that keeping base course dry, roadbed is prevented to be etched, soften.
Description
Technical field
The utility model relates to roadbed technical field more particularly to a kind of highway subgrade structures.
Background technique
Highway is line style building, and roadbed is the main body of line style building, it is through highway all fronts, with bridge, tunnel phase
Even, and the effect of driving lotus cultivation is born it was verified that without firm, stable roadbed, just without firm in it and road surface jointly
Road surface.Roadbed meets water logging erosion, softening causes the lesson of subgrade settlement, landslide, collapsing very much, thus one kind is needed to prevent roadbed
Softening, the highway subgrade settled are with regard to structure.
Utility model content
Roadbed bearing capacity and resistance ability can be effectively improved the purpose of this utility model is to provide a kind of, prevents roadbed
The highway subgrade structure of softening, sedimentation.
To achieve the goals above, the technical solution adopted in the utility model is as follows:
A kind of highway subgrade structure, including base course and supercrust, set from the bottom to top between the base course and supercrust
It is equipped with water-permeable filter layer and sand mat of subgrade, anti-settling component is provided between the base course and water-permeable filter layer, it is described anti-
Sedimentation component includes support column and metal mesh, and base course is run through in the lower end of the support column, and the upper end of support column is provided with metal
Net, the metal mesh are laid on the lower section of water-permeable filter layer.
Preferably, the anti-settling component further includes support rod, the support rod is V-shaped, the both ends point of the support rod
It is not fixedly connected with the both ends of support column, is set in base course in the middle part of support rod.
Preferably, the base course includes cement stabilized macadam layer, cement layer and cement sand bed, the cement stabilized macadam layer is laid with
In bottom end, cement layer and cement sand bed are successively laid on the cement stabilized macadam layer.
Preferably, being set in cement layer in the middle part of the support rod.
Preferably, the supercrust includes asphalt surface course, concrete layer and grains of sand layer, the grains of sand layer is laid on the row
The top of water sand bed course is successively laid with concrete layer and asphalt surface course on the grains of sand layer.
Preferably, water-permeable filter layer vertical road two sides direction is inserted with aqueduct, the aqueduct top is equipped with leakage
Water hole, the aqueduct are stretched out from roadside two sides.
Preferably, the support column and support rod are made by bar material.
Preferably, the water-permeable filter layer is permeable filtering geotextile layer.
Preferably, the sand mat of subgrade is pellet bed course, stabilized with inorganic binder pellet bed course, organic binder are stablized
Pellet bed course or mangcorn sarking.
The utility model is by adopting the above-described technical solution, have the advantages that
The highway subgrade structure of the utility model passes through the setting of anti-settling component, that is, support column, metal mesh and support rod,
The compressive strength of each layer in base course can be improved, to improve the bearing capacity and resistance ability of roadbed, prevent roadbed softening, sink
Drop, to extend the service life of supercrust；By water-permeable filter layer between base course and supercrust, sand mat of subgrade and lead
Water pipe, so that keeping base course dry, prevents roadbed to be etched, soften so that the water for penetrating into road surface is quickly discharged；This reality
Structurally reasonable, firm with novel highway subgrade structure, bearing capacity is high, is worthy of popularization.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the highway subgrade structure of the utility model embodiment 1；
Fig. 2 is the structural schematic diagram of the highway subgrade structure of the utility model embodiment 2.
In attached drawing, 1- base course, 2- supercrust, 3- water-permeable filter layer, 4- sand mat of subgrade, 5- support column, 6- metal mesh,
7- aqueduct, 8- support rod, 101- cement stabilized macadam layer, 102- cement layer, 103- cement sand bed, 201- grains of sand layer, 202- are mixed
Solidifying soil layer, 203- asphalt surface course.
Specific embodiment
For the purpose of this utility model, technical solution and advantage is more clearly understood, referring to the drawings and enumerate excellent
Embodiment is selected, the utility model is further described.However, it is necessary to illustrate, many details listed in specification
It is specific thin even without these just for the sake of making reader have a thorough explanation to one or more aspects of the present invention
These aspects of the utility model also may be implemented in section.
Embodiment 1
As shown in Figure 1, a kind of highway subgrade structure according to the present utility model, including base course 1 and supercrust 2, it is described
Be provided with water-permeable filter layer 3 and sand mat of subgrade 4 between base course 1 and supercrust 2 from the bottom to top, the base course 1 with it is permeable
It is provided with anti-settling component between filter layer 3, the anti-settling component includes support column 5 and metal mesh 6, the support column 5
Base course 1 is run through in lower end, and the upper end of support column 5 is provided with metal mesh 6, and the metal mesh 6 is laid under water-permeable filter layer 3
Side, support column 5 are made by bar material, and water-permeable filter layer 3 is permeable filtering geotextile layer；The base course 1 includes water
Mud metalling 101, cement layer 102 and cement sand bed 103, the cement stabilized macadam layer 101 is laid on bottom end, broken in the cement
Cement layer 102 and cement sand bed 103 are successively laid in rock layers 101；The supercrust 2 includes asphalt surface course 203, concrete layer
202 and grains of sand layer 201, the grains of sand layer 201 be laid on the top of the sand mat of subgrade 4, successively spread on the grains of sand layer 201
If concrete layer 202 and asphalt surface course 203；3 vertical road two sides direction of water-permeable filter layer is inserted with aqueduct 7, the aqueduct 7
Top is equipped with leakage hole, and the aqueduct 7 is stretched out from roadside two sides；Sand mat of subgrade 4 is pellet bed course, stabilized with inorganic binder
Pellet bed course, organic binder stable granulate bed course or mangcorn sarking.
Embodiment 2
As shown in Fig. 2, a kind of highway subgrade structure according to the present utility model, including base course 1 and supercrust 2, it is described
Be provided with water-permeable filter layer 3 and sand mat of subgrade 4 between base course 1 and supercrust 2 from the bottom to top, the base course 1 with it is permeable
Anti-settling component is provided between filter layer 3, the anti-settling component includes support column 5, metal mesh 6 and support rod 8, the branch
Base course 1 is run through in the lower end of dagger 5, and the upper end of support column 5 is provided with metal mesh 6, and the metal mesh 6 is laid on water-permeable filter layer
3 lower section, support rod 8 is V-shaped, and the both ends of the support rod 8 are fixedly connected with the both ends of support column 5 respectively, in support column 5
Portion is set in the cement layer 102 of base course 1, and support column 5 and support rod 8 are made by bar material, and water-permeable filter layer 3 is
Permeable filtering geotextile layer；The base course 1 includes cement stabilized macadam layer 101, cement layer 102 and cement sand bed 103, the water
Mud metalling 101 is laid on bottom end, and cement layer 102 and cement sand bed 103 are successively laid on the cement stabilized macadam layer 101；
The supercrust 2 includes asphalt surface course 203, concrete layer 202 and grains of sand layer 201, and the grains of sand layer 201 is laid on the draining
The top of sand bedding course 4 is successively laid with concrete layer 202 and asphalt surface course 203 on the grains of sand layer 201；Water-permeable filter layer 3 is vertical
Road two sides direction is inserted with aqueduct 7, and 7 top of aqueduct is equipped with leakage hole, and the aqueduct 7 is stretched out from roadside two sides；
Sand mat of subgrade 4 is pellet bed course, stabilized with inorganic binder pellet bed course, organic binder stable granulate bed course or mixing pellet
Bed course.
The highway subgrade structure of the utility model is reasonable in design, firm, passes through anti-settling component, that is, support column 5, gold
The setting for belonging to net 6 and support rod 8, can be improved the compressive strength of each layer in base course 1, to improve the bearing capacity of roadbed and resist
Change ability prevents roadbed softening, sedimentation, to extend the service life of supercrust 2.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without departing from the principle of this utility model, can also make several improvements and retouch, these improve and
Retouching also should be regarded as the protection scope of the utility model.
Claims (9)
1. a kind of highway subgrade structure, it is characterised in that: including base course and supercrust, between the base course and supercrust by
Under it is supreme be provided with water-permeable filter layer and sand mat of subgrade, anti-settling come down to a lower group is provided between the base course and water-permeable filter layer
Part, the anti-settling component include support column and metal mesh, and base course is run through in the lower end of the support column, and the upper end of support column is set
It is equipped with metal mesh, the metal mesh is laid on the lower section of water-permeable filter layer.
2. a kind of highway subgrade structure according to claim 1, it is characterised in that: the anti-settling component further includes support
Bar, the support rod is V-shaped, and the both ends of the support rod are fixedly connected with the both ends of support column respectively, sets in the middle part of support rod
It is placed in base course.
3. a kind of highway subgrade structure according to claim 2, it is characterised in that: the base course includes cement stabilized macadam
Layer, cement layer and cement sand bed, the cement stabilized macadam layer are laid on bottom end, are successively laid with cement on the cement stabilized macadam layer
Layer and cement sand bed.
4. a kind of highway subgrade structure according to claim 3, it is characterised in that: be set to water in the middle part of the support rod
In mud layer.
5. a kind of highway subgrade structure according to claim 1, it is characterised in that: the supercrust include asphalt surface course,
Concrete layer and grains of sand layer, the grains of sand layer are laid on the top of the sand mat of subgrade, successively laying mixed on the grains of sand layer
Solidifying soil layer and asphalt surface course.
6. a kind of highway subgrade structure according to claim 1, it is characterised in that: the vertical road two sides of the water-permeable filter layer
Face direction is inserted with aqueduct, and the aqueduct top is equipped with leakage hole, and the aqueduct is stretched out from roadside two sides.
7. a kind of highway subgrade structure according to claim 2, it is characterised in that: the support column and support rod are by reinforcing bar
Material is made.
8. a kind of highway subgrade structure according to claim 1, it is characterised in that: the water-permeable filter layer is permeable filtering
Geotextile layer.
9. a kind of highway subgrade structure according to claim 1, it is characterised in that: the sand mat of subgrade is pellet pad
Layer, stabilized with inorganic binder pellet bed course, organic binder stable granulate bed course or mangcorn sarking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822111801.1U CN209602892U (en) | 2018-12-17 | 2018-12-17 | A kind of highway subgrade structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822111801.1U CN209602892U (en) | 2018-12-17 | 2018-12-17 | A kind of highway subgrade structure |
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| Publication Number | Publication Date |
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| CN209602892U true CN209602892U (en) | 2019-11-08 |
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| CN201822111801.1U Active CN209602892U (en) | 2018-12-17 | 2018-12-17 | A kind of highway subgrade structure |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111455756A (en) * | 2020-04-16 | 2020-07-28 | 孔繁超 | Softening-prevention highway roadbed reinforcing structure |
| CN111455755A (en) * | 2020-04-16 | 2020-07-28 | 孔繁超 | Highway subgrade structure capable of preventing subgrade from softening |
| CN111979864A (en) * | 2020-09-23 | 2020-11-24 | 吴净 | Anti-settlement highway subgrade |
| CN112376343A (en) * | 2020-11-04 | 2021-02-19 | 黄雪松 | Municipal works road pavement structure |
| CN113174795A (en) * | 2021-04-27 | 2021-07-27 | 重庆永昂实业有限公司 | Municipal engineering road laying structure and construction method |
| CN114016351A (en) * | 2021-11-16 | 2022-02-08 | 佛山市阳辰建设有限公司 | Quick infiltration road bed road surface of rainwater |
-
2018
- 2018-12-17 CN CN201822111801.1U patent/CN209602892U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111455756A (en) * | 2020-04-16 | 2020-07-28 | 孔繁超 | Softening-prevention highway roadbed reinforcing structure |
| CN111455755A (en) * | 2020-04-16 | 2020-07-28 | 孔繁超 | Highway subgrade structure capable of preventing subgrade from softening |
| CN111455756B (en) * | 2020-04-16 | 2022-01-28 | 江门市江海规划建筑设计院有限公司 | Softening-prevention highway roadbed reinforcing structure |
| CN111979864A (en) * | 2020-09-23 | 2020-11-24 | 吴净 | Anti-settlement highway subgrade |
| CN112376343A (en) * | 2020-11-04 | 2021-02-19 | 黄雪松 | Municipal works road pavement structure |
| CN113174795A (en) * | 2021-04-27 | 2021-07-27 | 重庆永昂实业有限公司 | Municipal engineering road laying structure and construction method |
| CN113174795B (en) * | 2021-04-27 | 2022-07-08 | 重庆永昂实业有限公司 | Municipal engineering road laying structure and construction method |
| CN114016351A (en) * | 2021-11-16 | 2022-02-08 | 佛山市阳辰建设有限公司 | Quick infiltration road bed road surface of rainwater |
| CN114016351B (en) * | 2021-11-16 | 2022-07-19 | 佛山市阳辰建设有限公司 | Quick infiltration road bed road surface of rainwater |
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