CN213925697U - Transverse water passing roadbed structure - Google Patents
Transverse water passing roadbed structure Download PDFInfo
- Publication number
- CN213925697U CN213925697U CN202022555782.9U CN202022555782U CN213925697U CN 213925697 U CN213925697 U CN 213925697U CN 202022555782 U CN202022555782 U CN 202022555782U CN 213925697 U CN213925697 U CN 213925697U
- Authority
- CN
- China
- Prior art keywords
- layer
- roadbed
- layers
- transverse
- gravel cushion
- 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.)
- Active
Links
Images
Classifications
-
- 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
Abstract
The utility model belongs to the technical field of highway engineering, a transverse water passing roadbed structure is disclosed, below a designed flood level elevation, N layers of broken stones or gravel cushion layers are arranged at intervals between common roadbed layers, a plurality of transverse drainage pipes are arranged in each layer of broken stone or gravel cushion layer, the plurality of transverse drainage pipes are arranged at intervals along the length direction of the roadbed structure, and the broken stones or gravel cushion layers run through along the width direction of the roadbed structure; an impervious concrete side slope protective layer is arranged on the outer side of the side slope of the common roadbed layer and the N layers of broken stones or gravel cushion layers below the designed flood level elevation, and two ends of the transverse drainage pipe penetrate through the impervious concrete side slope protective layer in a straight mode. The utility model discloses a horizontal water function is realized to the road bed to horizontal drain pipe's drainage messenger, and horizontal drain pipe wherein can be protected to rubble or gravel bed course, and the washing away of flood is avoided to impervious concrete side slope inoxidizing coating protection road bed side slope to prevent inside the flood infiltration road bed.
Description
Technical Field
The utility model belongs to the technical field of highway engineering, specific theory relates to a roadbed structure.
Background
The reform is opened, the social economy of China is continuously and rapidly developed, the road construction career obtains huge achievements, and the current road traffic mileage is the first in the world. However, in view of optimizing road network layout and developing local economic needs, many high-grade roads are arranged within the row impoundment flooding area. Therefore, when rainstorm comes, the flood can flush the roadbed slope; meanwhile, when the highway subgrade in the traffic flood area blocks the flood discharge, the highway subgrade cannot meet the requirement of passing the flood.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that the unable flood traversing of highway subgrade section provides a transversely cross water roadbed structure, can satisfy the demand that the flood traversed the highway subgrade.
In order to solve the technical problem, the utility model discloses a following technical scheme realizes:
a transverse water passing roadbed structure is characterized in that N layers of broken stones or gravel cushion layers are arranged at intervals between common roadbed layers below a designed flood level elevation, wherein N is a positive integer; a plurality of transverse drainage pipes are arranged in each layer of broken stone or gravel cushion layer, the transverse drainage pipes are arranged at intervals along the length direction of the roadbed structure, and each transverse drainage pipe penetrates through the broken stone or gravel cushion layer along the width direction of the roadbed structure; and the side slope outer sides of the common roadbed layers and the N layers of broken stones or gravel cushion layers below the designed flood level elevation are provided with impervious concrete side slope protective layers, and two ends of the transverse drain pipe vertically penetrate through the impervious concrete side slope protective layers.
Furthermore, a common roadbed layer is paved above the designed flood level elevation and below the designed roadbed elevation.
Further, the arrangement distance of the transverse drain pipes in the gravel or gravel cushion is 0.3-0.5 m.
Further, the pipe diameter of the transverse drain pipe is 15 mm-50 mm.
Further, the thickness of the gravel or gravel cushion layer is not less than 4 times of the pipe diameter of the transverse drain pipe.
Further, the thickness of the impervious concrete side slope protective layer is 0.3-0.5 m.
Further, the single-layer thickness of the common roadbed layer below the flood level elevation is designed to be 0.2-0.3 m.
The utility model has the advantages that:
(one) the utility model discloses a horizontal water roadbed structure of crossing arranges horizontal drain pipe in the middle of every layer of rubble or gravel bed course, and the drainage through horizontal drain pipe makes the road bed realize horizontal water function of crossing.
(II) the utility model discloses a horizontal water roadbed structure of crossing lays N layer rubble or gravel bed course below design flood level for the roadbed rolls in-process rubble or gravel bed course and can protect horizontal drain pipe wherein.
(III) the utility model discloses a horizontal water roadbed structure, impervious concrete side slope inoxidizing coating is pour in the outside of ordinary roadbed layer and rubble or gravel bed course, and the protection side slope is avoided washing away of flood to prevent inside the flood infiltration road bed.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:
fig. 1 is a schematic structural view of a transverse water passing roadbed structure according to the embodiment of the utility model.
In the above figures: 1. a foundation; 2. a common roadbed layer; 3. a gravel or gravel cushion; 4. a transverse drain pipe; 5. a impervious concrete side slope protective layer; 6. a pavement structure; 7. an earth shoulder.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
In this embodiment, a horizontal water roadbed structure is provided, and fig. 1 is according to the utility model discloses a horizontal water roadbed structure's schematic structure diagram, as shown in fig. 1, this horizontal water roadbed structure includes ground 1, ordinary roadbed layer 2, rubble or gravel bed course 3, horizontal drain pipe 4 and impervious concrete side slope inoxidizing coating 5.
Below the designed flood level, N layers of broken stones or gravel cushion layers 3 are arranged among the common roadbed layers 2 at intervals, wherein N is a positive integer greater than or equal to 1. A plurality of transverse drainage pipes 4 are arranged in each layer of gravel or gravel cushion layer 3, the transverse drainage pipes 4 are arranged at intervals along the length direction of the roadbed structure, and the arrangement interval is preferably 0.3-0.5 m. Each transverse drain pipe 4 penetrates the gravel or gravel cushion 3 along the width direction of the roadbed structure, and the pipe diameter of each transverse drain pipe 4 is preferably 15-50 mm.
Wherein, the utility model provides a basic road layer 2 indicates the basic road layer that adopts ordinary road bed filling material to construct according to conventional method and form.
More specifically, a first layer of ordinary roadbed 2 is laid on the foundation 1, a first layer of crushed stone or gravel cushion 3 is filled on the first layer of ordinary roadbed 2, and a transverse drain pipe 4 is arranged inside the first layer of crushed stone or gravel cushion 3. And a next layer of common roadbed layer 2 is laid on the formed first layer of crushed stone or gravel cushion layer 3, a next layer of crushed stone or gravel cushion layer 3 is filled on the next layer of common roadbed layer 2, and a transverse drain pipe 4 is also arranged inside the layer of crushed stone or gravel cushion layer 3. By parity of reasoning, a common roadbed layer 2 and a filled gravel or gravel cushion layer 3 are paved layer by layer and a transverse drain pipe 4 is arranged until the elevation of the roadbed reaches the designed flood level.
Below the designed flood level elevation, an impervious concrete side slope protective layer 5 is arranged on the outer side of the side slope of the common roadbed layer 2 and the N layers of broken stones or gravel cushion layers 3. When the impervious concrete side slope protective layer 5 is poured, the transverse drain pipe 4 is required to pass through the impervious concrete side slope protective layer 5 and extend out of the outer side surface of the impervious concrete side slope protective layer.
The thickness of the impervious concrete side slope protective layer 5 is usually in the range of 0.3-0.5 m, so that the engineering economy is kept while the roadbed side slope is protected from being damaged by scouring.
And paving a plurality of layers of common road base layers 2 above the designed flood level elevation according to a conventional method until the design elevation of the roadbed is reached.
And a pavement structure 6 and a soil shoulder 7 are paved on the common road base layer 2 on the uppermost layer. The utility model discloses well mentioned fill up, arrange, the pavement all belongs to prior art.
The broken stone or gravel cushion layer 3 of each layer is paved by broken stones or gravels with good gradation, and the requirements of the strength and compactness indexes of the roadbed are met.
The interval of arranging and the pipe diameter of transverse drainage pipe 4 should be confirmed according to the horizontal water yield of road bed, the utility model discloses interval of arranging and pipe diameter to transverse drainage pipe 4 provide preferred scope.
The thickness h of each layer of gravel or gravel cushion 3 is determined according to the pipe diameter of the transverse drain pipe 4, and the thickness h is generally required to be not less than 4 times of the pipe diameter of the transverse drain pipe 4.
The construction process of the transverse water passing roadbed structure can be carried out according to the following steps:
(1) firstly, cleaning a construction site, flattening and treating the foundation 1 to enable the bearing capacity of the foundation 1 to meet design requirements;
(2) filling a first layer of common roadbed layer 2 on the foundation 1, and rolling and forming;
(3) filling half (h/2) of the thickness of a first layer of gravel or gravel cushion 3 on the first layer of common roadbed layer 2; arranging transverse drain pipes 4 on the base according to the designed interval and pipe diameter, and paving the other half (h/2) of the thickness of the first layer of broken stone or gravel cushion 3;
(4) rolling and forming the first layer of gravel or gravel cushion layer 3;
(5) a second layer of the ordinary road base layer 2, a second layer of the crushed stone or gravel cushion layer 3 and a transverse drain pipe 4 arranged therein are filled on the rolled first layer of the crushed stone or gravel cushion layer 3. And then analogizing in sequence until the elevation of the roadbed reaches the designed flood level;
(6) and under the designed flood level, pouring an impervious concrete slope protection layer 5 with the designed thickness on the outer sides of the rolled common roadbed layer 2 and the broken stone or gravel cushion layer 3.
(7) And filling the common roadbed layer 2 above the designed flood level according to a conventional method until the roadbed is designed to be at the elevation.
(8) And after the roadbed construction is finished, further building a pavement structure 6 and a soil shoulder 7, and finishing other work.
The utility model discloses a horizontal water roadbed structure and work progress are further explained below with a certain concrete application, and certain road bed design flood level is higher than ground 2.0 meters, including two-layer (N ═ 2) rubble or gravel bed course 3, and every layer of rubble or gravel bed course 3's thickness h ═ 0.2 meter.
And a first layer of common roadbed layer 2 is laid on the foundation 1 and is rolled, and the thickness H of the first layer of common roadbed layer 2 is 0.4 m. The first layer of the crushed stone or gravel cushion layer 3 is firstly filled with half of the thickness (0.1 meter) of the first layer of the common roadbed layer 2, then the transverse drain pipes 4 with the spacing of 0.4 meter and the pipe diameter of 30 millimeters are arranged on the first layer of the common roadbed layer 2, then the other half of the thickness (0.2 meter) of the crushed stone or gravel cushion layer 3 is paved, and finally the first layer of the crushed stone or gravel cushion layer 3 is rolled and formed. The first crushed stone or gravel cushion layer 3 is rolled and formed, and a second common roadbed layer 2 with the thickness H being 0.2 m is filled on the first crushed stone or gravel cushion layer, and the second layer crushed stone or gravel cushion layer is rolled and formed. Similarly, a second layer of crushed stone or gravel cushion 3 is filled on a second layer of ordinary road bed 2 to form a half thickness (0.1 m), then transverse drain pipes 4 with the spacing of 0.4 m and the pipe diameter of 30 mm are arranged on the second layer, and then the other half thickness (0.1 m) of the crushed stone or gravel cushion 3 is paved; and finally, rolling and forming the second gravel or gravel cushion layer 3. The second layer of rubble or gravel bed course 3 of roll-forming is filled with the ordinary roadbed layer 2 of third layer, and thickness H is 0.2 meters to roll-forming, the road bed design elevation reaches design flood level this moment.
And pouring an impervious concrete slope protection layer 5 with the thickness of 30 cm on the outer sides of the three layers of the common roadbed layers 2 and the two layers of the broken stones or gravel cushion layers 3 after the rolling forming.
And filling four common roadbed layers 2 with the thickness of 0.2 m on the common roadbed layer 2 and the impervious concrete side slope protection layer 5 on the 3 rd layer according to a conventional method to reach the design elevation of the roadbed. After the roadbed construction is finished, a pavement structure 6 and a soil shoulder 7 can be built.
Although the preferred embodiments of the present invention have been described with reference to the accompanying drawings, the present invention is not limited to the above embodiments, which are only illustrative and not restrictive, and those skilled in the art can make various changes without departing from the spirit and the scope of the invention as claimed.
Claims (7)
1. A transverse water passing roadbed structure is characterized in that N layers of broken stones or gravel cushion layers are arranged at intervals between common roadbed layers below a designed flood level elevation, wherein N is a positive integer; a plurality of transverse drainage pipes are arranged in each layer of broken stone or gravel cushion layer, the transverse drainage pipes are arranged at intervals along the length direction of the roadbed structure, and each transverse drainage pipe penetrates through the broken stone or gravel cushion layer along the width direction of the roadbed structure; and the side slope outer sides of the common roadbed layers and the N layers of broken stones or gravel cushion layers below the designed flood level elevation are provided with impervious concrete side slope protective layers, and two ends of the transverse drain pipe vertically penetrate through the impervious concrete side slope protective layers.
2. The transverse water passing roadbed structure according to claim 1, wherein a common roadbed layer is laid above the designed flood level and below the designed roadbed elevation.
3. The transverse water passing roadbed structure according to claim 1, wherein the arrangement interval of the transverse drainage pipes inside the gravel or gravel cushion is 0.3-0.5 m.
4. The transverse water passing roadbed structure according to claim 1, wherein the pipe diameter of the transverse drain pipe is 15 mm-50 mm.
5. The transverse water passing roadbed structure according to claim 1, wherein the thickness of the crushed stone or gravel cushion layer is not less than 4 times of the pipe diameter of the transverse drain pipe.
6. The transverse water passing roadbed structure according to claim 1, wherein the thickness of the impervious concrete slope protection layer is 0.3-0.5 m.
7. The transverse water passing roadbed structure according to claim 1, wherein the single layer thickness of the ordinary roadbed layer below the designed flood level elevation is 0.2-0.3 m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022555782.9U CN213925697U (en) | 2020-11-06 | 2020-11-06 | Transverse water passing roadbed structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022555782.9U CN213925697U (en) | 2020-11-06 | 2020-11-06 | Transverse water passing roadbed structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213925697U true CN213925697U (en) | 2021-08-10 |
Family
ID=77166751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022555782.9U Active CN213925697U (en) | 2020-11-06 | 2020-11-06 | Transverse water passing roadbed structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213925697U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114673041A (en) * | 2022-03-23 | 2022-06-28 | 中国铁建港航局集团有限公司 | Soft soil foundation embankment disease disposal construction method |
-
2020
- 2020-11-06 CN CN202022555782.9U patent/CN213925697U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114673041A (en) * | 2022-03-23 | 2022-06-28 | 中国铁建港航局集团有限公司 | Soft soil foundation embankment disease disposal construction method |
| CN114673041B (en) * | 2022-03-23 | 2023-09-05 | 中国铁建港航局集团有限公司 | Soft soil foundation embankment disease treatment construction method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108797249A (en) | The construction method of soft soil roadbed high roadbed steep slope road section Foam lightweight soil | |
| CN104060631B (en) | A kind of manhole mouth elevation Dynamic controlling structure | |
| CN205934629U (en) | Wide structure of increasing is pieced together to existing barricade section road bed | |
| CN106049217A (en) | Assembly type permeable pavement paving c, block bodies and paving structure | |
| CN110306565B (en) | Road ecological slope protection system and construction method | |
| CN213925697U (en) | Transverse water passing roadbed structure | |
| CN107700299A (en) | A kind of elevated bridge lower floor road structure and its construction method | |
| CN109537389B (en) | EPS (expandable polystyrene) lower embankment structure and construction method thereof | |
| CN112144337A (en) | Cast-in-place construction process for modified red mud-based foam light soil | |
| CN112391894A (en) | Transverse water passing roadbed structure | |
| CN210458918U (en) | Space stacked bridge structure | |
| CN113152628A (en) | V-shaped gully high-fill temporary drainage system and construction method thereof | |
| CN209873485U (en) | Permanent temporary combined toilet structure for gully treatment | |
| CN210104468U (en) | Water-permeable prefabricated assembled concrete road | |
| CN214089273U (en) | Bottom is permeated water and is endured roadbed structure that soaks | |
| CN112982049A (en) | Foam light soil composite roadbed construction method for road extension | |
| CN112813844A (en) | Access-protecting passage meeting rapid flood discharge requirement in river channel and construction method | |
| CN112575805A (en) | Road structure and construction method | |
| CN107858886B (en) | Viaduct foundation peripheral ground road and construction method thereof | |
| CN112095394A (en) | Composite pavement with excellent drainage function and construction method thereof | |
| CN207597177U (en) | A kind of elevated bridge lower floor road structure | |
| CN111287040A (en) | Method for constructing liquid soil road | |
| CN214738582U (en) | V-shaped gully high-fill temporary drainage system | |
| CN214363961U (en) | Tunnel portal hidden road surface intercepting ditch | |
| CN112211055A (en) | Bottom is permeated water and is endured roadbed structure that soaks |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 300051 No. 239, Yingkou Road, Heping District, Tianjin Patentee after: Tianjin municipal engineering design and Research Institute Co.,Ltd. Patentee after: CCCC FIRST HIGHWAY ENGINEERING GROUP Co.,Ltd. Patentee after: Hebei University of Technology Address before: 300051 No. 239, Yingkou Road, Heping District, Tianjin Patentee before: TIANJIN MUNICIPAL ENGINEERING DESIGN & Research Institute Patentee before: CCCC FIRST HIGHWAY ENGINEERING GROUP Co.,Ltd. Patentee before: Hebei University of Technology |