CN207958885U - A kind of anti-settling highway subgrade - Google Patents
A kind of anti-settling highway subgrade Download PDFInfo
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- CN207958885U CN207958885U CN201820072881.1U CN201820072881U CN207958885U CN 207958885 U CN207958885 U CN 207958885U CN 201820072881 U CN201820072881 U CN 201820072881U CN 207958885 U CN207958885 U CN 207958885U
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Abstract
The utility model discloses a kind of anti-settling highway subgrades,Including road crust,The road crust upper surface is equipped with antiskid asphalt face,The antiskid asphalt left side of face is equipped with displacement meter,Settlement observation plate is equipped on the right side of the displacement meter,The road crust bottom is equipped with precompressed soil layer,Precompressed soil layer center is equipped with sedimentation detection stake,Sedimentation detection stake bottom is equipped with surface layer of subgrade bed,The surface layer of subgrade bed bottom is equipped with bottom layer of subgrade,The bottom layer of subgrade bottom is equipped with roadbed main body,Roadbed main body both sides are equipped with concrete Anti-settlement pipe rack,Concrete Anti-settlement pipe rack bottom is equipped with cement improvement soil layer,Cement improvement soil layer bottom is equipped with sedimentation protection bed course,Sedimentation protection bed course bottom is equipped with concrete stake fixed bed,Concrete stake fixed bed center is equipped with the close stake of cement,The road crust both sides, which are equipped with, reinforces slopes.This kind of anti-settling highway subgrade structure is simple, practical function, can meet functional need of the highway industry to anti-settling highway subgrade.
Description
Technical field
The utility model belongs to highway subgrade technical field, and in particular to a kind of anti-settling highway subgrade.
Background technology
Roadbed minimum fill height of subgrade must assure that not to drop because of the influence of the surface water, underground water, capillary water and frost heave action
Its low stability.According to roadbed design code requirement, ensure that roadbed minimum is filled out according to type of dry and damp soil base and capillary height of water level
Build height.When the height-limited system of roadbed filling cannot reach specification regulation, then corresponding handle measure should be taken, such as changes and fills out
The dank materials such as gravel, rock ballast are arranged separation layer or build subsurface wastewater infiltration system ditch etc. and are immersed to avoid excess surface water and underground water
Roadbed influences the soil matrix stabilized soil pavement in roadbed work area.Soil property cut subgrade need to change and fill out no less than 60cm gravels；Stone
Matter cut subgrade, need to be arranged 30cm Base with Sand Gravel Cushion, and the unsmooth section of transverse drainage will add french drain.To route pass through landform,
Looks, hydrogeologic condition are reconnoitred in detail, and detailed design data should be provided to Special Roadbed section.For the bad road of earth's surface
Section, design are contemplated that soil removal and replacement or mix lime, cement and be laid with the measures such as geosynthetics.
Because existing highway subgrade makes somebody a mere figurehead structure and soil layer improvement etc. still in the prediction of its settleability, base portion steel column
The place of promotion in need meets the needs of people so we need a kind of anti-settling highway subgrade to solve the above problems.
Utility model content
It is mentioned above in the background art to solve the purpose of this utility model is to provide a kind of anti-settling highway subgrade
Problem.
To achieve the above object, the utility model provides the following technical solutions：A kind of anti-settling highway subgrade, including road surface
Surface layer, the road crust upper surface are equipped with antiskid asphalt face, and the antiskid asphalt left side of face is equipped with displacement meter, the displacement meter
Right side is equipped with settlement observation plate, and the road crust bottom is equipped with precompressed soil layer, and precompressed soil layer center is equipped with sedimentation and detects
Stake, sedimentation detection stake bottom are equipped with surface layer of subgrade bed, and the surface layer of subgrade bed bottom is equipped with bottom layer of subgrade, the bottom layer of subgrade bottom
Portion is equipped with roadbed main body, and roadbed main body both sides are equipped with concrete Anti-settlement pipe rack, concrete Anti-settlement pipe rack bottom
Equipped with cement improvement soil layer, cement improvement soil layer bottom is equipped with sedimentation protection bed course, and sedimentation protection bed course bottom is set
There are concrete stake fixed bed, concrete stake fixed bed center to be equipped with the close stake of cement, the road crust both sides, which are equipped with, reinforces slopes.
Preferably, the displacement meter includes ring flange, detection bar, and the ring flange setting is described in displacement meter upper surface
Detection bar is arranged in flange pan bottom.
Preferably, the displacement meter bottom is equipped with screw thread, and the displacement meter is connect with antiskid asphalt face by threads turn.
Preferably, the settlement observation plate includes observation column, accepts bottom plate, and the observation column is arranged on settlement observation plate
Surface, the undertaking bottom plate setting is in observation column bottom.
Preferably, the concrete stake fixed bed is connected with the close pile pipe of cement.
Preferably, the sedimentation detection stake is set as 2, and 2 sedimentation detection stakes are symmetrical set respectively pre-
Firming layer center.
Preferably, the concrete Anti-settlement pipe rack is embedded in roadbed main center.
Preferably, the settlement observation plate and antiskid asphalt face connection fixed by snap.
The technique effect and advantage of the utility model：1, this kind of anti-settling highway subgrade is equipped with displacement meter, sedimentation detection stake
With settlement observation plate, many-sided settlement prediction can be carried out, carry out defensive measure in advance；
2, this kind of anti-settling highway subgrade is equipped with cement improvement soil layer, and cement is carried out improvement rear stability more preferably；
3, this kind of anti-settling highway subgrade is equipped with concrete stake fixed bed, can be reinforced from base portion to whole roadbed, and set
It is calculated as the framework of stake and stake, reduces substrate humidity.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the displacement meter structural schematic diagram of the utility model；
Fig. 3 is the settlement observation plate structure schematic diagram of the utility model.
In figure：1, the close stake of cement；2, sedimentation protection bed course；3, cement improvement soil layer；4, concrete stake fixed bed；5, road surface table
Layer；6, displacement meter；601, ring flange；602, detection bar；7, antiskid asphalt face；8, sedimentation detection stake；9, settlement observation plate；901、
Observation column；902, bottom plate is accepted；10, precompressed soil layer；11, slopes are reinforced；12, surface layer of subgrade bed；13, bottom layer of subgrade；14, roadbed master
Body；15, concrete Anti-settlement pipe rack.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
The utility model provides a kind of anti-settling highway subgrade as shown in Figure 1, Figure 2 and Figure 3, including road crust 5,
5 upper surface of the road crust is equipped with antiskid asphalt face 7, and 7 left side of the antiskid asphalt face is equipped with displacement meter 6, the displacement meter 6
Right side is equipped with settlement observation plate 9, and 5 bottom of the road crust is equipped with precompressed soil layer 10, and 10 center of precompressed soil layer is equipped with heavy
Drop detection stake 8,8 bottom of the sedimentation detection stake are equipped with surface layer of subgrade bed 12, and 12 bottom of the surface layer of subgrade bed is equipped with bottom layer of subgrade 13,
13 bottom of the bottom layer of subgrade is equipped with roadbed main body 14, and 14 both sides of roadbed main body are equipped with concrete Anti-settlement pipe rack 15, institute
It states 15 bottom of concrete Anti-settlement pipe rack and is equipped with cement improvement soil layer 3,3 bottom of cement improvement soil layer is equipped with sedimentation neonychium
Layer 2,2 bottom of the sedimentation protection bed course are equipped with concrete stake fixed bed 4, and 4 center of concrete stake fixed bed is equipped with the close stake of cement
1,5 both sides of the road crust, which are equipped with, reinforces slopes 11.
Specifically, the displacement meter 6 includes ring flange 601, detection bar 602, the ring flange 601 is arranged in displacement meter 6
Upper surface, the detection bar 602 are arranged in 601 bottom of ring flange.
Specifically, 6 bottom of the displacement meter is equipped with screw thread, the displacement meter 6 is connected with antiskid asphalt face 7 by threads turn
It connects.
Specifically, the settlement observation plate 9 includes observation column 901, accepts bottom plate 902, the setting of the observation column 901 is heavy
9 upper surface of observation board drops, and the undertaking bottom plate 902 is arranged in 901 bottom of observation column.
Specifically, the concrete stake fixed bed 4 is connected with close 1 pipe of stake of cement.
Specifically, the sedimentation detection stake 8 is set as 2,2 sedimentation detection stakes 8 are symmetrical set respectively
10 center of precompressed soil layer.
Specifically, the concrete Anti-settlement pipe rack 15 is embedded in 14 center of roadbed main body.
Specifically, 7 connection fixed by snap of the settlement observation plate 9 and antiskid asphalt face.
Operation principle：When in use, antiskid asphalt face 7 increases road surfaces frictional force to this kind of anti-settling highway subgrade, improves
Driving safety degree, displacement meter 6, settlement observation plate 9 and sedimentation detection stake 8 many-sided can carry out provisional monitor to highway and can be timely
Prevention is made to roadbed, precompressed soil layer 10 is the soil layer that precompressed landfill is carried out to soil, and surface layer of subgrade bed 12 and bottom layer of subgrade 13 are
The basis of roadbed ontology 14, sedimentation protection bed course 2 and concrete Anti-settlement pipe rack 15 firmly strengthen the firm of the highway subgrade
Property, after cement improvement soil layer 3 improves soil layer, fastness increases, and the close stake of the cement in concrete stake fixed bed 41 can be to this
Soil carries out base and fixes, and prevents its sedimentation, reinforces slopes 11 and carries out consolidation process to roadbed from side.
Finally it should be noted that：The above descriptions are merely preferred embodiments of the present invention, is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it still can be with technical scheme described in the above embodiments is modified, or to which part technical characteristic
Equivalent replacement is carried out, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (8)
1. a kind of anti-settling highway subgrade, including road crust (5), it is characterised in that：Road crust (5) upper surface is equipped with
Antiskid asphalt face (7), antiskid asphalt face (7) left side are equipped with displacement meter (6), sedimentation sight are equipped on the right side of the displacement meter (6)
Drafting board (9), road crust (5) bottom are equipped with precompressed soil layer (10), and precompressed soil layer (10) center is equipped with sedimentation and detects
Stake (8), sedimentation detection stake (8) bottom are equipped with surface layer of subgrade bed (12), and surface layer of subgrade bed (12) bottom is equipped with bottom layer of subgrade
(13), bottom layer of subgrade (13) bottom is equipped with roadbed main body (14), and it is anti-settling that roadbed main body (14) both sides are equipped with concrete
Pipe support (15) drops, and concrete Anti-settlement pipe rack (15) bottom is equipped with cement improvement soil layer (3), the cement improvement soil layer
(3) bottom is equipped with sedimentation protection bed course (2), and sedimentation protection bed course (2) bottom is equipped with concrete stake fixed bed (4), the water
Mud stake fixed bed (4) center is equipped with the close stake of cement (1), and road crust (5) both sides, which are equipped with, reinforces slopes (11).
2. a kind of anti-settling highway subgrade according to claim 1, it is characterised in that：The displacement meter (6) includes flange
Disk (601), detection bar (602), ring flange (601) setting is in displacement meter (6) upper surface, detection bar (602) setting
In ring flange (601) bottom.
3. a kind of anti-settling highway subgrade according to claim 1, it is characterised in that：Displacement meter (6) bottom is equipped with
Screw thread, the displacement meter (6) are connect with antiskid asphalt face (7) by threads turn.
4. a kind of anti-settling highway subgrade according to claim 1, it is characterised in that：The settlement observation plate (9) includes
Observation column (901) accepts bottom plate (902), and the observation column (901) is arranged at settlement observation plate (9) upper surface, the undertaking bottom
Plate (902) is arranged in observation column (901) bottom.
5. a kind of anti-settling highway subgrade according to claim 1, it is characterised in that：The concrete stake fixed bed (4) and
The close stake of cement (1) pipe connects.
6. a kind of anti-settling highway subgrade according to claim 1, it is characterised in that：The sedimentation detection stake (8) is arranged
It it is 2,2 sedimentation detection stakes (8) are symmetrical set respectively at precompressed soil layer (10) center.
7. a kind of anti-settling highway subgrade according to claim 1, it is characterised in that：The concrete Anti-settlement pipe rack
(15) it is embedded in roadbed main body (14) center.
8. a kind of anti-settling highway subgrade according to claim 1, it is characterised in that：The settlement observation plate (9) and anti-
Sliding bituminous sheaths (7) connection fixed by snap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820072881.1U CN207958885U (en) | 2018-01-17 | 2018-01-17 | A kind of anti-settling highway subgrade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820072881.1U CN207958885U (en) | 2018-01-17 | 2018-01-17 | A kind of anti-settling highway subgrade |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207958885U true CN207958885U (en) | 2018-10-12 |
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ID=63733418
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820072881.1U Active CN207958885U (en) | 2018-01-17 | 2018-01-17 | A kind of anti-settling highway subgrade |
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| Country | Link |
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| CN (1) | CN207958885U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111058346A (en) * | 2019-12-30 | 2020-04-24 | 长沙理工大学 | Carbon rock roadbed structure and construction method thereof |
| CN112227122A (en) * | 2020-08-29 | 2021-01-15 | 天津鑫路桥建设工程有限公司 | Roadbed reinforcing structure and construction method |
-
2018
- 2018-01-17 CN CN201820072881.1U patent/CN207958885U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111058346A (en) * | 2019-12-30 | 2020-04-24 | 长沙理工大学 | Carbon rock roadbed structure and construction method thereof |
| CN111058346B (en) * | 2019-12-30 | 2022-02-15 | 长沙理工大学 | Carbon rock roadbed structure and construction method thereof |
| CN112227122A (en) * | 2020-08-29 | 2021-01-15 | 天津鑫路桥建设工程有限公司 | Roadbed reinforcing structure and construction method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 810008, No. 5 East traffic lane, Chengxi District, Qinghai, Xining Patentee after: Qinghai traffic engineering consulting Co.,Ltd. Address before: 810000 5 East traffic lane, Shengli Road, Chengxi District, Xining, Qinghai Patentee before: QINGHAI HENGLI ROAD SURVEY AND DESIGN Co.,Ltd. |
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| CP03 | Change of name, title or address |