CN111705590B - Drainage system and method for road surface in traffic protection stage of highway reconstruction and extension project - Google Patents
Drainage system and method for road surface in traffic protection stage of highway reconstruction and extension project Download PDFInfo
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- CN111705590B CN111705590B CN202010597791.6A CN202010597791A CN111705590B CN 111705590 B CN111705590 B CN 111705590B CN 202010597791 A CN202010597791 A CN 202010597791A CN 111705590 B CN111705590 B CN 111705590B
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C11/00—Details of pavings
- E01C11/22—Gutters; Kerbs ; Surface drainage of streets, roads or like traffic areas
- E01C11/224—Surface drainage of streets
- E01C11/227—Gutters; Channels ; Roof drainage discharge ducts set in sidewalks
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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
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- Road Paving Structures (AREA)
Abstract
The invention relates to a drainage system and a method for road surface in the traffic protection stage of highway reconstruction and extension projects, belonging to the technical field of temporary drainage of road surface, wherein the system comprises an expanded road surface and an expanded road surface; the method comprises the following steps that a height difference exists at the splicing position of an expanded road surface and an expanded road surface, and a transverse drainage groove is arranged at the splicing position along the direction vertical to the length direction of the expanded road surface; the transverse drainage groove is arranged on the widened pavement; the bottom surface of the transverse drainage groove is a horizontal plane; the horizontal plane is connected with the expanded pavement. The drainage system disclosed by the invention is wide in application range, is not limited by longitudinal slopes and road sections of old roads, and solves the problem of difficult drainage caused by the road surface splicing height difference in the traffic-guaranteeing stage.
Description
Technical Field
The disclosure belongs to the technical field of temporary drainage of road pavements, and particularly relates to a drainage system and method for a pavement in a traffic protection stage of a highway reconstruction and extension project.
Background
The statements herein merely provide background related to the present disclosure and may not necessarily constitute prior art.
Because the reconstructed and expanded expressway is mostly widened by adopting a construction mode of splicing width at two sides and opening vehicle sides at two sides, the two-way access protection of the road (the top surface of the old road and part of the road surface structure of the spliced width part) at one side of the central separation belt is usually utilized in the construction process.
The road surface structure of present highway reconstruction and extension engineering mostly than the road surface structure on old way one more to two-layer pitch surface course, and the lower surface layer top surface or middle surface layer top surface of piecing together wide road surface should flush with old way top surface in theory, but in the actual engineering, because reasons such as old way subsides, piece together wide part and indulge disconnected fitting, the phenomenon that the lower surface layer top surface or middle surface layer top surface of piecing together wide road surface are higher than old way top surface often appears. Therefore, the height difference exists at the splicing position of the road surface at the pass-through stage, and the road surface water of the old road cannot be removed, so that the driving safety and the road surface quality are influenced.
The current treatment methods include the following two methods.
1. And (4) draining water to a position without splicing height difference along the old road by depending on the longitudinal slope of the old road, and then transversely draining. Because the road section with large road surface splicing height difference is often positioned at the lower part of the longitudinal slope of the old road, the processing mode can only solve the special condition.
2. And carrying out secondary reverse excavation on the pavement structure of the spliced wide part, and burying the transverse drain pipe. The technical problems of the processing mode are as follows: 1) the construction is complicated. The steps of secondary reverse excavation, embedding of the transverse drain pipe, backfilling and compaction and the like are required, and the elevation control difficulty is high when the transverse drain pipe is embedded. 2) The pavement is seriously damaged and is easy to cause diseases. In order to drain water by using a drain pipe, secondary reverse excavation is needed for the full section of the pavement of the spliced wide part; the horizontal drainage pipe is permanently buried in a pavement structure, and a reflection crack is easily generated at the later stage. 3) The transverse drainage pipe is easy to block and difficult to dredge after being blocked.
BRIEF SUMMARY OF THE PRESENT DISCLOSURE
Aiming at the defects in the prior art, the disclosure provides a drainage system and a method for a road surface in a traffic protection stage of a highway reconstruction and extension project, and solves the problem of difficult drainage caused by the splicing height difference of the road surface in the traffic protection stage.
At least one embodiment of the disclosure discloses a drainage system for road surfaces in a traffic protection stage of a highway reconstruction and extension project, which comprises a wide splicing road surface and an extended road surface;
the spliced part of the spliced wide pavement and the expanded pavement has height difference, and a transverse drainage channel is arranged at the spliced part along the direction vertical to the length direction of the spliced wide pavement; the transverse drainage groove is arranged on the wide spliced road surface; the bottom surface of the transverse drainage groove is a horizontal plane; the horizontal plane is connected with the expanded pavement.
Furthermore, the cross section of the transverse drainage groove in the direction perpendicular to the length direction of the widening road surface is triangular.
Furthermore, the cross section of the transverse drainage groove in the direction perpendicular to the length direction of the width spliced road surface is in a right trapezoid shape, and the lower bottom of the transverse drainage groove facing the expanded road surface is the height difference of the spliced part of the road surface; the upper bottom facing the wide pavement is less than or equal to 2 cm.
Further, the height of the right-angle trapezoid is smaller than or equal to the sum of the occupied width of the traffic safety facility and the width of the edge belt of the split road surface.
Further, the traffic safety facilities reserve a transverse outlet at the transverse drainage groove.
Furthermore, waterproof materials are arranged on the inner wall surface and the bottom surface of the transverse drainage groove and the surface of the spliced wide pavement.
The embodiment of the disclosure also discloses a drainage method for road surfaces in the traffic protection stage of the highway reconstruction and extension project, which comprises the following steps:
determining the occupied width of traffic safety facilities for separating opposite traffic flows and the width of a road edge belt on the side of a widened road surface at the splicing position of the widened road surface and the enlarged road surface;
secondly, arranging a transverse drainage groove at the splicing position along the direction vertical to the length direction of the spliced wide pavement, and processing the bottom surface of the drainage groove into a horizontal plane; processing the horizontal plane into the same height with the road surface to be expanded; the width of the drainage channel is within the sum range of the occupied width of the traffic safety facility and the width of the road edge belt on the wide splicing road surface side;
and step three, arranging traffic safety facilities for separating opposite traffic flows, and reserving a transverse outlet at a transverse drainage groove of the traffic safety facilities.
And further, milling the transverse drainage groove on the splicing part of the spliced wide pavement by using milling equipment.
Further, the cross section of a transverse drainage groove is set to be in a right trapezoid shape, and the lower bottom of the transverse drainage groove facing the expanded pavement is the height difference of the splicing position of the pavement; the upper bottom facing the wide pavement is less than or equal to 2 cm.
Further, waterproof materials are arranged on the inner wall surface and the bottom surface of the transverse drainage groove and the surface of the wide pavement.
The beneficial effects of the above-mentioned this disclosure are as follows:
(1) the drainage system and the drainage method are wide in application range, not limited by longitudinal slopes and road sections of old roads, convenient to construct, good in temporary drainage effect and convenient to clean, and the construction of the transverse drainage groove can be quickly completed by using the milling machine.
(3) The drainage system and the drainage method only mill and dig the drainage channel at the local width of the wide spliced road surface, damage to the road surface is less, and later-stage disease hidden dangers are less.
Drawings
The accompanying drawings, which are included to provide a further understanding of the disclosure, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure and are not to limit the disclosure.
FIG. 1 is a schematic diagram of a pavement splicing height difference and a transverse drainage groove in a traffic protection stage of a highway reconstruction and extension project;
FIG. 2 is a schematic cross-sectional view of a traffic organization in a single-side traffic-guaranteeing stage of a highway reconstruction and extension project;
fig. 3 is a sectional view a-a of fig. 1.
In the figure, 1, the occupation width of traffic safety facilities for separating opposite traffic flows, 2, the width of a left curb belt, 3, a transverse drainage groove, 4, the bottom surface of the transverse drainage groove, 5, the cross section of the transverse drainage groove, 6, the lower bottom of the cross section of the transverse drainage groove, 7, the height of the cross section of the transverse drainage groove, 8, the upper bottom of the cross section of the transverse drainage groove, 9, the length of the forward direction of the transverse drainage groove, 10, the distance of the forward direction of the transverse drainage groove, 11, the top surface of a shunt surface of a traffic protection stage splicing wide part, 12, the side wall surface of a road surface splicing part, 13, the side wall surface of a first transverse drainage groove, 14, the side wall surface of a second transverse drainage groove, 15 and the side wall surface of a third transverse drainage groove.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure belongs.
In the description of the present disclosure, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present disclosure and simplifying the description, and do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present disclosure.
As shown in fig. 1 to 3, the present embodiment provides a drainage system for a road surface in a traffic protection stage of an expressway reconstruction and expansion project, the system mainly includes two parts, namely a widening road surface and an expanded road surface, a height difference is present at a joint of the widening road surface and the expanded road surface, and a transverse drainage channel 3 is arranged at the joint along a direction perpendicular to a length direction of the widening road surface; the transverse drainage groove is arranged on the wide spliced road surface; the bottom surface 4 of the transverse drainage groove is a horizontal plane; the horizontal plane is connected with the expanded pavement.
The transverse drainage grooves are arranged in the length direction of the wide splicing road surface, and the length 9 of each transverse drainage groove and the distance 10 between every two transverse drainage grooves are determined according to drainage requirements.
Further, as shown in fig. 3, in the direction perpendicular to the length direction of the widened road surface and the expanded road surface; the cross section 5 of the transverse drainage channel is in a right trapezoid shape, the lower bottom 6 of the right trapezoid shape facing the direction of the expanded road surface is equal to the height difference of the splicing position of the wide road surface and the expanded road surface, the upper bottom 8 of the right trapezoid shape facing the splicing position is the height difference of the bottom of the drainage channel outlet and the top surface 11 of the road surface at the traffic-keeping stage, and the height of the upper bottom is not more than 2cm, so that water can be drained timely.
Of course, in other embodiments, the cross section 5 of the transverse drainage channel may also be a triangle, wherein the lower base of the triangle facing the direction of the expanded pavement is also equal to the height difference of the spliced part of the spliced wide pavement and the expanded pavement.
Further, the top surface 11 of the split surface of the traffic securing stage split portion, the side wall surface 12 of the road surface split portion, the side wall surface 13 of the first lateral drainage groove of the lateral drainage groove, the side wall surface 14 of the second lateral drainage groove, the side wall surface 15 of the third lateral drainage groove, and the bottom surface 4 need to take effective waterproof measures, such as spraying of waterproof materials like asphalt, so that water is prevented from permeating into the road surface structure.
As shown in fig. 3, the height 7 of the lateral drainage channel in the present embodiment is equal to the occupied width 1 of the traffic safety facility partitioning the oncoming traffic and the left-side curb belt width 2, while the traffic safety facility partitioning the oncoming traffic reserves a lateral outlet at the lateral drainage channel.
Above-mentioned drainage system compares in road surface structure of present extension engineering and road surface drainage mode between old way, and application scope is wide, does not receive the restriction of old way longitudinal gradient and highway section, only needs mill the water drainage tank in concatenation department, passes through the water drainage tank and can discharge by guaranteeing that wide part is pieced together to ponding on old way by the phase wide part top surface along separate routes, and this kind destroys few to the road surface, and later stage disease hidden danger is few, and interim drainage effect is good, and the clearance is convenient.
The other embodiments of the disclosure also disclose a temporary drainage method for road surfaces in the traffic protection stage of highway reconstruction and extension projects, which mainly comprises the following steps:
step one, comprehensively considering the height difference and the traffic protection requirement at the splicing position of the expanded road surface and the wide splicing road surface, and determining the occupied width 1 and the left side edge belt width 2 of the traffic safety facility for separating the opposite traffic;
step two: in the sum range of the occupied width 1 of the traffic safety facility and the width 2 of the left side edge strip, a plurality of transverse drainage grooves are milled on the wide spliced road surface along the trend of the road surface by using a milling machine, and the length 9 of each transverse drainage groove and the distance 10 between every two transverse drainage grooves are determined according to the drainage requirement; the bottom surface 4 of the transverse drainage channel is set to be a horizontal plane or an inclined plane with the side of the expanded pavement slightly higher than the splicing width side;
furthermore, the cross section 5 of the transverse drainage channel along the length direction vertical to the spliced wide pavement or the expanded pavement is in a right trapezoid shape (or a triangle shape), wherein the lower bottom 6 of the right trapezoid shape is the height difference of the spliced positions of the expanded pavement and the spliced wide pavement, the height 7 is the sum (or part) of the occupied width 1 and the left curb belt width 2 of the traffic safety facility, and the upper bottom 8 of the transverse drainage channel is the height difference between the bottom of the drainage channel at the outlet and the top surface of the pavement at the traffic protection stage;
and step three, arranging traffic safety facilities for separating opposite traffic flows, and reserving a transverse outlet at the transverse drainage groove.
Furthermore, in the second step, the upper bottom 8 in the cross section of the transverse drainage groove is smaller than a certain height, so that water can be drained in time; when the upper bottom 8 is zero, the cross section of the transverse drainage groove is triangular.
Further, the top surface 11 of the split part of the traffic protection stage, the side wall surfaces of the road surface split part, the side wall surfaces of the transverse drainage grooves and the bottom surface need to take waterproof measures to prevent water from permeating into the road surface structure.
Although the present disclosure has been described with reference to specific embodiments, it should be understood that the scope of the present disclosure is not limited thereto, and those skilled in the art will appreciate that various modifications and changes can be made without departing from the spirit and scope of the present disclosure.
Claims (4)
1. A drainage method for road surfaces in a traffic protection stage of a highway reconstruction and extension project is characterized by comprising the following steps:
determining the occupied width of traffic safety facilities for separating opposite traffic flows and the width of a road edge belt on the side of a widened road surface at the splicing position of the widened road surface and the enlarged road surface;
secondly, arranging a transverse drainage groove at the splicing position along the direction vertical to the length direction of the spliced wide pavement, and processing the bottom surface of the drainage groove into a horizontal plane; processing the horizontal plane into the same height with the road surface to be expanded; the width of the drainage channel is within the sum range of the occupied width of the traffic safety facility and the width of the road edge belt on the wide splicing road surface side;
and step three, arranging traffic safety facilities for separating opposite traffic flows, and reserving a transverse outlet at a transverse drainage groove of the traffic safety facilities.
2. The method for draining the road surface in the traffic protection stage of the highway reconstruction and extension project according to claim 1, wherein a milling device is used for milling the transverse drainage groove at the splicing part of the spliced wide road surface.
3. The method for draining the road surface in the traffic protection stage of the highway reconstruction and extension project as claimed in claim 1, wherein the transverse drainage grooves are arranged to have right trapezoid cross sections, and the lower bottoms of the transverse drainage grooves facing the extended road surface are the height difference of the road surface splicing part; the upper bottom facing the wide pavement is less than or equal to 2 cm.
4. The method for draining the road surface in the traffic protection stage of the road reconstruction and extension project as claimed in claim 1, wherein waterproof materials are provided on the inner wall surface and the bottom surface of the transverse drainage channel and the surface of the spliced wide road surface.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010597791.6A CN111705590B (en) | 2020-06-28 | 2020-06-28 | Drainage system and method for road surface in traffic protection stage of highway reconstruction and extension project |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010597791.6A CN111705590B (en) | 2020-06-28 | 2020-06-28 | Drainage system and method for road surface in traffic protection stage of highway reconstruction and extension project |
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| CN111705590A CN111705590A (en) | 2020-09-25 |
| CN111705590B true CN111705590B (en) | 2021-10-19 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103266549A (en) * | 2013-05-28 | 2013-08-28 | 长沙理工大学 | Road surface drainage system for construction period of highway reconstruction and extension project |
| CN206233057U (en) * | 2016-11-14 | 2017-06-09 | 宋亮 | A kind of road surface temporary drainage structure for being adapted to the highway extension project construction time |
| CN107893471A (en) * | 2017-11-15 | 2018-04-10 | 孟宪山 | Expressway Extension Project construction time Pavement surface drainage system |
| CN110273343A (en) * | 2019-07-29 | 2019-09-24 | 齐钊 | Widening of Freeway engineering freeboard section new-old pavement splicing construction and construction method |
| CN209602908U (en) * | 2018-12-29 | 2019-11-08 | 广州大广高速公路有限公司 | A kind of road surface temporary drainage structure being adapted to the highway extension project construction time |
| CN210049048U (en) * | 2019-04-16 | 2020-02-11 | 李鸿杰 | New and old road surface mosaic structure that highway extension operation was used |
-
2020
- 2020-06-28 CN CN202010597791.6A patent/CN111705590B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103266549A (en) * | 2013-05-28 | 2013-08-28 | 长沙理工大学 | Road surface drainage system for construction period of highway reconstruction and extension project |
| CN206233057U (en) * | 2016-11-14 | 2017-06-09 | 宋亮 | A kind of road surface temporary drainage structure for being adapted to the highway extension project construction time |
| CN107893471A (en) * | 2017-11-15 | 2018-04-10 | 孟宪山 | Expressway Extension Project construction time Pavement surface drainage system |
| CN209602908U (en) * | 2018-12-29 | 2019-11-08 | 广州大广高速公路有限公司 | A kind of road surface temporary drainage structure being adapted to the highway extension project construction time |
| CN210049048U (en) * | 2019-04-16 | 2020-02-11 | 李鸿杰 | New and old road surface mosaic structure that highway extension operation was used |
| CN110273343A (en) * | 2019-07-29 | 2019-09-24 | 齐钊 | Widening of Freeway engineering freeboard section new-old pavement splicing construction and construction method |
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| CN111705590A (en) | 2020-09-25 |
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Address after: 250031 No. 576 Wushanxi Road, Tianqiao District, Jinan City, Shandong Province Applicant after: Shandong transportation planning and Design Institute Group Co.,Ltd. Address before: 250031 No. 576 Wushanxi Road, Tianqiao District, Jinan City, Shandong Province Applicant before: Shandong transportation planning and Design Institute Co.,Ltd. |
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