CN210031378U - Highway subgrade watertight fittings - Google Patents
Highway subgrade watertight fittings Download PDFInfo
- Publication number
- CN210031378U CN210031378U CN201920396680.1U CN201920396680U CN210031378U CN 210031378 U CN210031378 U CN 210031378U CN 201920396680 U CN201920396680 U CN 201920396680U CN 210031378 U CN210031378 U CN 210031378U
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- China
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- road surface
- road
- shaped partition
- dowel bar
- partition plate
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Abstract
The utility model discloses a highway subgrade waterproof device, which comprises a U-shaped clapboard and a dowel bar, wherein the U-shaped clapboard is arranged between a road surface and a subgrade, and the U-shaped clapboard is arranged between a cross joint of the road surface and the subgrade; two side surfaces of the U-shaped partition plate are respectively provided with a dowel bar, one end of the dowel bar is fixedly connected with the U-shaped partition plate, and the other end of the dowel bar is connected with the pavement base layer or the subbase layer; the inner bottom surface of the U-shaped clapboard is provided with a groove. The utility model discloses a set up U type baffle between road surface and road bed, can prevent from on the rivers of road surface transverse joint infiltration to the road bed, and then solve the road surface transverse joint position department of moisture with the road bed and permeate to all around gradually, finally make the bearing capacity of holistic road bed descend, lead to the road surface fracture, the problem of road surface grout turnover appears, and the water that permeates to U type baffle bottom from the road surface transverse joint is in time outwards discharged through the recess, prevent that moisture from accumulating for a long time in U type baffle and corroding road surface bottom and U type baffle, moreover, the steam generator is simple in structure, convenient construction and water-proof effects are good.
Description
Technical Field
The utility model relates to a watertight fittings especially indicates a highway subgrade watertight fittings.
Background
With the development of highway industry, the problem of water damage of roads is also gradually emphasized, and the problems are mainly caused by water seepage of the roads. In rainy seasons of many areas, moisture permeates from the transverse seams of cement road surfaces of roads to the positions below the road surfaces, and the roadbed is in a water-soaked state. Because the moisture is difficult to dissipate, a large amount of moisture is retained in the roadbed to form slurry, and the bearing capacity of the roadbed is reduced. Along with the increase of roadbed retaining, moisture will be followed the road surface horizontal seam position of road bed and is penetrated to all around gradually, finally makes the bearing capacity of holistic road bed decline, still can lead to the road surface fracture when serious, appears the road surface and overturns the thick liquid.
At present, the existing method for preventing the horizontal seams of the road surface of the low-grade highway mainly comprises two methods: one is to fill asphalt into the transverse seams of the road surface for water-proofing treatment. Due to the expansion and contraction effect of the pavement and the asphalt, gaps still exist between the asphalt and the transverse seams of the pavement in the method, and the damage of moisture permeation to the roadbed cannot be completely prevented. The other method is to change the structural form of the transverse joint of the pavement, but the method has the disadvantages of large construction limitation, complex construction, long period and high construction cost.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problem that current road surface transversal joint infiltration and road bed retaining lead to the road surface fracture and turn over the thick liquid, provide a simple structure, construction convenience and the highway subgrade watertight fittings that water-proof effects is good.
The purpose of the utility model can be achieved by adopting the following technical scheme:
a highway subgrade waterproof device comprises a U-shaped partition plate and a dowel bar, wherein the U-shaped partition plate is arranged between a road surface and a subgrade, and is arranged between a transverse seam of the road surface and the subgrade; two side surfaces of the U-shaped partition plate are respectively provided with a dowel bar, one end of the dowel bar is fixedly connected with the U-shaped partition plate, and the other end of the dowel bar is connected with the pavement base layer or the subbase layer; the inner bottom surface of the U-shaped partition plate is provided with a groove.
Preferably, the groove is a V-shaped groove.
Preferably, the U-shaped partition comprises a bottom plate and vertical plates fixedly mounted on two sides of the bottom plate.
Preferably, the vertical plates are fixedly installed on two sides of the bottom plate through welding.
Preferably, the two side surfaces of the U-shaped partition board are provided with mounting holes, and the dowel bars are fixedly mounted on the mounting holes through connecting pieces.
Preferably, the U-shaped partition is a steel plate.
Preferably, the dowel bar is made of round steel or threaded steel.
Implement the utility model discloses, following beneficial effect has:
the utility model discloses a set up U type baffle between road surface and road bed, can prevent from on the rivers of road surface transverse joint infiltration to the road bed, and then solve the road surface transverse joint position department of moisture with the road bed and permeate to all around gradually, finally make the bearing capacity of holistic road bed descend, lead to the road surface fracture, the problem of road surface grout turnover appears, and the water that permeates to U type baffle bottom from the road surface transverse joint is in time outwards discharged through the recess, prevent that moisture from accumulating for a long time in U type baffle and corroding road surface bottom and U type baffle, and the road surface water-proof type road bed has a simple structure, convenient construction and the good characteristics of water-proof effects.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of the installation structure of the highway subgrade waterproof device of the utility model;
FIG. 2 is a schematic structural view of the waterproof device for road bed of the present invention;
fig. 3 is a side view of the road bed waterproofing device of the present invention.
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.
Examples
Referring to fig. 1 to 3, the present embodiment relates to a waterproof device for a roadbed of a highway, which comprises a U-shaped partition plate 1 and a dowel bar 2, wherein the U-shaped partition plate 1 is arranged between a road surface and the roadbed, and the U-shaped partition plate is arranged between a cross seam 103 of the road surface and the roadbed 102; two side surfaces of the U-shaped clapboard 1 are respectively provided with a dowel bar 2, one end of the dowel bar 2 is fixedly connected with the U-shaped clapboard 1, and the other end of the dowel bar is connected with a pavement base layer 104 or a pavement base layer 105; the inner bottom surface of the U-shaped clapboard 1 is provided with a groove 11. The road surface is the road surface layer 101, the road surface base layer 104 and the road surface subbase layer 105, respectively, water flows down from the road surface transverse seam 103 and diffuses in the subbase layer to destroy the road base, so the waterproof device of the invention can prevent the water from seeping and diffusing downwards and guide the water to the two sides through the grooves 11 to be discharged.
Through set up U type baffle 1 between road surface and road bed, can prevent from on the rivers of road surface transversal joint 103 infiltration to road bed 102, and then solve moisture and permeate to all around gradually with the road surface transversal joint position department of road bed, finally make the bearing capacity of holistic road bed descend, lead to the road surface fracture, the problem of road surface grout turnover appears, and the water of penetrating to U type baffle 1 bottom from road surface transversal joint 103 in time outwards discharges through recess 11, prevent that moisture from accumulating for a long time in U type baffle 1 and corroding road surface bottom and U type baffle 1, and the road surface water-proof structure is simple, construction convenience and the good characteristics of water-proof effects.
The groove 11 is a V-shaped groove. The V-shaped grooves can be arranged in one or more than one.
The U-shaped partition board 1 comprises a bottom board 12 and vertical boards 13 fixedly arranged on two sides of the bottom board 12. The vertical plates 13 are fixedly arranged on two sides of the bottom plate 12 through welding.
And mounting holes are formed in two side surfaces of the U-shaped partition plate 1, and the dowel bars 2 are fixedly mounted on the mounting holes through connecting pieces. The dowel bar 2 and the mounting hole are fixedly connected together through a threaded connecting piece, and the dowel bar 2 and the U-shaped partition plate 1 can also be directly welded together.
The U-shaped partition board 1 is a steel plate. The U-shaped partition board 1 is made of a steel plate which has the tensile strength of more than 500MPa and is rust-proof and corrosion-resistant.
The dowel bar 2 is made of round steel or deformed steel.
The height H of the vertical plate 13 can be calculated according to the thicknesses of the pavement surface layer, the base layer and the subbase layer, and the calculation formula is as follows:
in the formula: h-height of riser 13
hmThickness of the pavement covering
hiThickness of the road base
hdThickness of the road sub-base
The above disclosure is only a preferred embodiment of the present invention, and certainly should not be taken as limiting the scope of the invention, which is defined by the claims and their equivalents.
Claims (7)
1. A highway subgrade waterproof device is characterized by comprising a U-shaped partition plate and a dowel bar, wherein the U-shaped partition plate is arranged between a road surface and a subgrade, and the U-shaped partition plate is arranged between a transverse seam of the road surface and the subgrade; two side surfaces of the U-shaped partition plate are respectively provided with a dowel bar, one end of the dowel bar is fixedly connected with the U-shaped partition plate, and the other end of the dowel bar is connected with the pavement base layer or the subbase layer; the inner bottom surface of the U-shaped partition plate is provided with a groove.
2. A road bed flashing device as claimed in claim 1, wherein the groove is a V-shaped groove.
3. A road bed waterproofing device according to claim 1 wherein the U-shaped partition comprises a bottom plate and risers fixedly installed at both sides of the bottom plate.
4. A road bed waterproofing device according to claim 3 wherein the risers are fixedly attached to both sides of the base plate by welding.
5. The waterproof device for road foundation of claim 1, wherein the U-shaped partition has mounting holes on both sides thereof, and the dowel bars are fixedly mounted to the mounting holes by means of connecting members.
6. A road bed waterproofing device according to any one of claims 1 to 5 wherein the U-shaped partition is a steel plate.
7. A road bed waterproofing device according to any of claims 1 to 5 wherein the dowel bars are round steel or screw steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920396680.1U CN210031378U (en) | 2019-03-26 | 2019-03-26 | Highway subgrade watertight fittings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920396680.1U CN210031378U (en) | 2019-03-26 | 2019-03-26 | Highway subgrade watertight fittings |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210031378U true CN210031378U (en) | 2020-02-07 |
Family
ID=69356546
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920396680.1U Expired - Fee Related CN210031378U (en) | 2019-03-26 | 2019-03-26 | Highway subgrade watertight fittings |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210031378U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112962390A (en) * | 2021-03-04 | 2021-06-15 | 青岛西海岸市政工程有限公司 | Waterproof isolation protection structure for coastal city municipal roads and construction method |
| CN113622237A (en) * | 2021-08-12 | 2021-11-09 | 温州市市政管理中心 | Transverse roadbed reinforcing device |
-
2019
- 2019-03-26 CN CN201920396680.1U patent/CN210031378U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112962390A (en) * | 2021-03-04 | 2021-06-15 | 青岛西海岸市政工程有限公司 | Waterproof isolation protection structure for coastal city municipal roads and construction method |
| CN112962390B (en) * | 2021-03-04 | 2022-08-30 | 青岛西海岸市政工程有限公司 | Waterproof isolation protection structure for coastal city municipal roads and construction method |
| CN113622237A (en) * | 2021-08-12 | 2021-11-09 | 温州市市政管理中心 | Transverse roadbed reinforcing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200207 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |