CN203834313U - Impound strap for highway pavement - Google Patents
Impound strap for highway pavement Download PDFInfo
- Publication number
- CN203834313U CN203834313U CN201420227090.3U CN201420227090U CN203834313U CN 203834313 U CN203834313 U CN 203834313U CN 201420227090 U CN201420227090 U CN 201420227090U CN 203834313 U CN203834313 U CN 203834313U
- Authority
- CN
- China
- Prior art keywords
- water band
- impound
- strap
- horizontal wall
- gradient
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
Landscapes
- Road Paving Structures (AREA)
Abstract
The utility model provides an impound strap for a highway pavement. The impound strap is arranged between the outer edge of a carriageway and an embankment guardrail, the surface of the impound strap is a triangular or streamline-shaped shallow sunken surface provided with a bidirectional cross slope, the slope gradients of the bidirectional cross slope are both slower and unequal, the slope gradient of the steeper side of the bidirectional cross slope is no less than 1:1, the steeper side of the bidirectional cross slope is close to one side of the embankment guardrail, the slower side of the bidirectional cross slope is connected with the outer edge of the pavement carriageway smoothly, and the width of the steeper side of the bidirectional cross slope is smaller than that of the other side of the bidirectional cross slope. The impound strap comprises a compaction layer and a cement mortar layer arranged on the surface, wherein the cement mortar layer is arranged on the compaction layer. According to the impound strap, as concrete entity is not needed to be poured, or tidy rock blocks are not needed to be built, the cost is lower, the construction is convenient, and the driving safety is facilitated; the impound strap self can also be used as a road shoulder.
Description
Technical field
The utility model relates to highway pavement and blocks water discharge technology field, and particularly a kind of highway pavement blocks water band.
Background technology
Block water band and be for fear of or reduce precipitation on road surface to the washing away of side slope of embankment, being arranged on curb outer rim, import gutter or arrange and block drainage from the one of roadbed after chute tackle and caused to road surface water.Traditional block the cement concrete that water band is convex type, or bituminous concrete, or grout neat piece stone entity structure, cross section is rectangle or trapezoidal etc.
Although convex type entity blocks water band, cross sectional area own is not too large, considers the length of highway geometry, and this water band that blocks is still the structure that a kind of cost is higher; From the angle of safety, when vehicle is because of some reason run-off-road, may go out roadbed time, traditional convex type entity blocks water band as a kind of structure that are difficult for going beyond, and is unfavorable for traffic safety.
Utility model content
The purpose of this utility model is in order to address the above problem, and provides a kind of cost significantly to save, and the novel pavement that is conducive to traffic safety blocks water band.
The technical solution of the utility model is: water band is blocked on a kind of road surface, the described water band that blocks is arranged between runway outer rim and embankment guardrail, blocking water belt surface is triangle or the shallow type up concave type of the streamlined surface with two-way horizontal wall inscription, the gradient of two-way horizontal wall inscription is all slow and unequal, the gradient of the steeper side of horizontal wall inscription [zt1] not [zt2] in 1 ﹕ 1, and leaning on embankment guardrail one side, the slow side of the horizontal wall inscription gradient and smooth-going joining of road surface running vehicle road outer rim, width corresponding to the steeper side of the horizontal wall inscription gradient is less than the width that opposite side is corresponding, the described water band that blocks is made up of the cement sand bed on compacted lift and surface thereof, cement sand bed is on compacted lift.
The thickness of described compacted lift is determined by concrete engineering, and the beam overall of compacted lift is identical with the beam overall of the respective level road shoulder requiring in industry standard.
Further, the soil layer that described compacted lift is compacting, or stone layer, or other composite layer, coefficient of consolidation is not less than 90%.
the beneficial effects of the utility model
Water band is blocked on the shallow type up concave type road surface that the width that the utility model provides is identical with shoulder width, does not need concreting entity or builds neat piece stone by laying bricks or stones, blocks water band with respect to traditional convex type entity, and cost significantly reduces, and construction more for convenience.From the angle of safety, when vehicle is because of some reason run-off-road, may go out roadbed time, the shallow type up concave type that the two-way horizontal wall inscription in this surface all delays blocks water band as a kind of structure of easily going beyond, and can play buffer protection function, is conducive to traffic safety.
In addition, also can directly utilize the road surface base layer material that prolongs wide rear compacting as the compacted lift blocking in water band in the utility model Specific construction, construction more for convenience; Because this two-way horizontal wall inscription that blocks water belt surface is all more slow, and block water band beam overall and equal curb beam overall, just can be used as curb and use therefore block water band itself, can not increase appropriation of land, and save the construction of curb.
Brief description of the drawings
Fig. 1 be the utility model embodiment 1 block water band structure schematic diagram.
Fig. 2 be the utility model embodiment 2 block water band structure schematic diagram.
In Fig. 1 and Fig. 2: 1. (its horizontal wall inscription is road surface
i %), 2. runway outer rim, 3. compacted lift, 4. cement sand bed, 5. embankment guardrail, 6. side slope of embankment, 7. gutter, 8. compacted lift or cement sand bed surface horizontal wall inscription slope aspect flex point.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiment of the present utility model is described further.
Embodiment 1: referring to Fig. 1, water band is blocked on a kind of road surface, the described water band that blocks is arranged between runway outer rim 2 and embankment guardrail 5, blocking water belt surface is the triangle up concave type surface with two-way horizontal wall inscription, the gradient of two-way horizontal wall inscription is all slow and unequal, the gradient of the steeper side of horizontal wall inscription [zt3] not [zt4] in 1 ﹕ 1, and in the side by embankment guardrail 5, the slow side of the horizontal wall inscription gradient and 2 smooth-going joining of road surface running vehicle road outer rim, width corresponding to the steeper side of the horizontal wall inscription gradient is less than the width that opposite side is corresponding, blocking water band is made up of the cement sand bed 4 on compacted lift 3 and surface thereof, cement sand bed 4 is on compacted lift 3.
The thickness of the compacted lift that [zt5] states is determined by concrete engineering, and the beam overall of compacted lift is identical with the beam overall of the respective level road shoulder requiring in industry standard.Described compacted lift is the soil layer of compacting, or stone layer, or other composite layer, and coefficient of consolidation is not less than 90%.Strength of cement mortar grade can need to determine according to the antiscour of concrete engineering etc.Compacted lift under the prerequisite that meets requirement of engineering, can by the spot, economic principle selects the soil layer of compacting, or stone layer, or other composite layer.
Whole work progress is as follows:
Roadbed has been constructed by designing requirement, after the assay was approved, carry out the construction of bed course, basic unit by designing requirement, now, can basic unit be prolonged wide by the width that blocks water band compacted lift,, perform into required two-way horizontal wall inscription by prolonging wide base material surface, and use compacting equipment compacting as the compacted lift materials'use that blocks water band by the material of sub-surface; The compacted lift that blocks water band also can fill separately, after constructing road foundation completes, under the prerequisite that meets requirement of engineering, selects on the spot, economic material, as soil, rubble, gravel or other composite material fill also compacting; After the compacted lift that blocks water band has been constructed, carry out top course construction by designing requirement, top course maintenance completes, after the assay was approved, build the cement sand bed blocking on water band compacted lift by laying bricks or stones, now ensure all the time that cement sand bed surface has the transverse slope identical with compacted lift surface corresponding site, and screed surface and smooth-going joining of road surface running vehicle road outer rim, screed is carried out in accordance with regulations health after having built by laying bricks or stones.
Embodiment 2: referring to Fig. 2, as different from Example 1, the described water belt surface that blocks is the shallow type up concave type of streamlined.For fusiform surface, its transverse slope refers to the tangent line of certain point on streamline and the tangent value of horizon angle.Block the average transverse slope of water belt surface when identical, the water band that blocks of the shallow type up concave type of this streamlined blocks water band than the shallow type up concave type of the triangle in embodiment 1 and is more conducive to traffic safety.
Above embodiment is only in order to the technical solution of the utility model to be described but not restriction technologies scheme, although applicant has been described in detail the utility model with reference to preferred embodiment, will be understood by those skilled in the art that, those are modified to the utility model or are equal to replacement, and do not depart from aim and the scope of the technical program, all should be encompassed in the middle of claim scope of the present utility model.
Claims (3)
1. a highway pavement blocks water band, it is characterized in that: described in block water band and be arranged between runway outer rim and embankment guardrail, blocking water belt surface is triangle or the shallow type up concave type of the streamlined surface with two-way horizontal wall inscription, the gradient of two-way horizontal wall inscription is all slow and unequal, the gradient of the steeper side of the horizontal wall inscription gradient is not less than 1 ﹕ 1, and leaning on embankment guardrail one side, the slow side of the horizontal wall inscription gradient and smooth-going joining of road surface running vehicle road outer rim, width corresponding to the steeper side of the horizontal wall inscription gradient is less than the width that opposite side is corresponding, the described water band that blocks is made up of the cement sand bed on compacted lift and surface thereof, cement sand bed is on compacted lift.
2. a kind of highway pavement as claimed in claim 1 blocks water band, it is characterized in that: the soil layer that described compacted lift is compacting, or stone layer, or other composite layer, coefficient of consolidation is not less than 90%.
3. a kind of highway pavement as claimed in claim 1 blocks water band, it is characterized in that: the beam overall of compacted lift is identical with the beam overall of the respective level road shoulder requiring in industry standard.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420227090.3U CN203834313U (en) | 2014-05-06 | 2014-05-06 | Impound strap for highway pavement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420227090.3U CN203834313U (en) | 2014-05-06 | 2014-05-06 | Impound strap for highway pavement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203834313U true CN203834313U (en) | 2014-09-17 |
Family
ID=51512173
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420227090.3U Expired - Fee Related CN203834313U (en) | 2014-05-06 | 2014-05-06 | Impound strap for highway pavement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203834313U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114182590A (en) * | 2021-11-19 | 2022-03-15 | 中铁隧道勘察设计研究院有限公司 | Novel hard road shoulder pavement structure suitable for highway excavation section road bed drainage |
| CN114960342A (en) * | 2022-07-19 | 2022-08-30 | 河南绿岩工程科技有限公司 | Road curb filling structure and construction method |
-
2014
- 2014-05-06 CN CN201420227090.3U patent/CN203834313U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114182590A (en) * | 2021-11-19 | 2022-03-15 | 中铁隧道勘察设计研究院有限公司 | Novel hard road shoulder pavement structure suitable for highway excavation section road bed drainage |
| CN114960342A (en) * | 2022-07-19 | 2022-08-30 | 河南绿岩工程科技有限公司 | Road curb filling structure and construction method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140917 Termination date: 20160506 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |