CN112647400A - Processing method for additionally-paved and improved road surface water retaining ditch - Google Patents
Processing method for additionally-paved and improved road surface water retaining ditch Download PDFInfo
- Publication number
- CN112647400A CN112647400A CN202110073107.9A CN202110073107A CN112647400A CN 112647400 A CN112647400 A CN 112647400A CN 202110073107 A CN202110073107 A CN 202110073107A CN 112647400 A CN112647400 A CN 112647400A
- Authority
- CN
- China
- Prior art keywords
- water
- road surface
- trench
- ditch
- paved
- 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.)
- Granted
Links
Images
Classifications
-
- 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
- E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
- E01C23/06—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road
- E01C23/09—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for forming cuts, grooves, or recesses, e.g. for making joints or channels for markings, for cutting-out sections to be removed; for cleaning, treating, or filling cuts, grooves, recesses, or fissures; for trimming paving edges
- E01C23/0906—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for forming cuts, grooves, or recesses, e.g. for making joints or channels for markings, for cutting-out sections to be removed; for cleaning, treating, or filling cuts, grooves, recesses, or fissures; for trimming paving edges for forming, opening-out, cleaning, drying or heating cuts, grooves, recesses or, excluding forming, cracks, e.g. cleaning by sand-blasting or air-jet ; for trimming paving edges
-
- 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
-
- 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
- E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
-
- 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
- E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
- E01C23/03—Arrangements for curing paving; Devices for applying curing means; Devices for laying prefabricated underlay, e.g. sheets, membranes; Protecting paving under construction or while curing, e.g. use of tents
-
- 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
- E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
- E01C23/06—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road
- E01C23/09—Devices or arrangements for working the finished surface; Devices for repairing or reconditioning the surface of damaged paving; Recycling in place or on the road for forming cuts, grooves, or recesses, e.g. for making joints or channels for markings, for cutting-out sections to be removed; for cleaning, treating, or filling cuts, grooves, recesses, or fissures; for trimming paving edges
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F3/00—Sewer pipe-line systems
- E03F3/04—Pipes or fittings specially adapted to sewers
- E03F3/046—Open sewage channels
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F3/00—Sewer pipe-line systems
- E03F3/06—Methods of, or installations for, laying sewer pipes
Abstract
The invention discloses a processing method for additionally-paved and transformed road surface water retaining ditches, belonging to the field of road engineering maintenance, aiming at solving the technical problem of how to process the difficult problem of additionally-paved road surface water retaining ditches on old roads and improving the driving safety and comfort of the road surface at the position of the water retaining ditches on the premise of ensuring low cost and convenient construction and maintenance, and the technical scheme is as follows: the method comprises the following specific steps: s1, prefabricating a U-shaped groove matched with the water stopping ditch in size, wherein a water flowing port is formed at the bottom of the U-shaped groove; s2, embedding a prefabricated U-shaped groove in the original water blocking ditch, wherein the U-shaped groove covers the whole width of the road surface; s3, marking the positions of the U-shaped grooves distributed along the width of the pavement, and paving asphalt top covers according to design requirements; s4, pressing a water retaining groove on the road surface after the asphalt overlay pavement is finished; s5, drilling a road surface water outlet at the position where the water blocking groove corresponds to the water flowing port, and enabling the water flowing port to be communicated with the road surface water outlet; and S6, installing a vertical drain pipe communicated with the bottom of the water blocking ditch at the position of the road surface drain outlet.
Description
Technical Field
The invention relates to the field of road engineering maintenance, in particular to a method for processing a pavement water stopping ditch additionally paved and reformed.
Background
The road construction is rapidly developed, and the number and the length of the road tunnels are more and more. However, the pavement in the tunnel has not been paid sufficient attention for a long time, and the pavement in the highway tunnel is originally a cement concrete pavement. At present, the traffic accidents in the tunnel are frequently generated due to the fact that the slip resistance and the wear resistance of the cement concrete pavement are reduced rapidly, and the tunnel operation becomes a pain. In addition, the maintenance of the cement concrete pavement is difficult, and the required period is long. In order to alleviate the problems, more and more tunnel pavements adopt a 'white and black' pavement structure in the maintenance process, namely, an asphalt overlay is added on the basis of the original pavement structure.
After the asphalt overlay is paved, the elevation of the pavement is changed, and the height of the water stopping ditch matched with the elevation of the original pavement cannot be matched with the height of a new pavement. The traditional treatment technology needs to rebuild the water stopping ditch to ensure that the water stopping ditch is matched with the pavement height after additional paving, has complex procedures and long treatment time, influences the recovery of traffic, and simultaneously causes discontinuity of asphalt pavement and influences the driving comfort.
Therefore, how to solve the problem of how to treat the water retaining ditch of the pavement additionally paved on the old road and improve the driving safety and comfort of the pavement at the position of the water retaining ditch on the premise of ensuring low cost and convenient construction and maintenance is a technical problem to be solved urgently at present.
Disclosure of Invention
The technical task of the invention is to provide a processing method for additionally laying and reforming a road surface water retaining ditch, which solves the problem of how to process the old road additionally laying road surface water retaining ditch and improves the driving safety and comfort of the road surface at the position of the water retaining ditch on the premise of ensuring low cost and convenient construction and maintenance.
The technical task of the invention is realized in the following way, and the processing method of the additionally paved and reformed road surface water stopping ditch comprises the following steps:
s1, prefabricating a U-shaped groove matched with the water stopping ditch in size, wherein a water flowing port is formed at the bottom of the U-shaped groove;
s2, burying a prefabricated U-shaped groove in the original water blocking ditch, wherein the U-shaped groove covers the whole width of the road surface, so that asphalt mixture is prevented from falling into the water blocking ditch when the overlay is paved, and a groove is formed on the surface of the road and blocks the water blocking ditch;
s3, marking the positions of the U-shaped grooves distributed along the width of the pavement, and paving asphalt top covers according to design requirements;
s4, pressing a water blocking groove on the road surface after the asphalt overlay pavement is finished so as to collect water on the road surface;
s5, drilling a road surface water outlet at the position where the water blocking groove corresponds to the water flowing port, and enabling the water flowing port to be communicated with the road surface water outlet;
and S6, mounting a vertical drain pipe communicated with the bottom of the water blocking ditch at the position of the road surface water outlet, wherein the drain pipe is supported at the bottom of the water blocking ditch so as to lead the water on the road surface to the water blocking ditch through the drain pipe.
Preferably, the number of the U-shaped grooves is multiple, and the plurality of U-shaped grooves are spliced to cover the width of the whole pavement;
the U-shaped groove is made of a stainless steel plate, and the thickness of the stainless steel plate is not more than 5 mm.
Preferably, the two sides of the U-shaped groove are respectively provided with a groove edge, the groove edges are suspended at the top surface of the wall of the water blocking ditch, the width of each groove edge is 75% larger than that of the bottom of the groove, and the ratio of the wall thickness of each groove edge to the width of the bottom of the groove is 1-1.5.
Preferably, the width of the groove bottom of the U-shaped groove is determined according to the dimension of the water blocking ditch of the maintenance road surface, and the width of the groove bottom is the same as that of the original water blocking ditch.
Preferably, the water flow openings are circular, the circular water flow openings are distributed on the bottom of the groove at equal intervals, and the ratio of the diameter of each circular water flow opening to the width of the bottom of the groove is 0.7-0.75; the distance between the centers of circles of the adjacent circular water flowing ports is 6-8 times of the diameter of the circular water flowing ports.
Preferably, the water blocking groove is made of semicircular steel pipes, and the ratio of the diameter of each semicircular steel pipe to the width of each water blocking ditch is 0.7-0.75.
Preferably, the water blocking groove is formed by pressing a road roller, and the surface temperature of the asphalt layer is more than 120 ℃ when the water blocking groove is pressed.
Preferably, the cutting process is performed at a position less than one half of the drain pipe, and the cutting process is performed by a symmetrical cutting method, and the arc length of the drain pipe cut at one side is one sixth of the circumference length of the drain pipe.
Preferably, the lower end of the drain pipe is positioned at the bottom of the water blocking ditch, and the upper end of the drain pipe is 1-1.5cm higher than the bottom of the U-shaped groove.
Preferably, the outer diameter of the drain pipe is the same as the inner diameter of a water flowing port at the bottom of the U-shaped groove.
The processing method of the additionally paved and reformed road surface water retaining ditch has the following advantages:
the method solves the treatment problem of the water blocking ditch for paving the old road, not only has simpler working procedure, quick construction, high efficiency and lower cost, but also improves the continuity of the road surface, is beneficial to later maintenance and repair, simultaneously improves the driving safety and comfort of the road surface at the position of the water blocking ditch, can immediately go on the vehicle after the construction is finished, and has good popularization and application values;
secondly, on the basis of the original water stopping ditch at the tunnel opening, the U-shaped groove is arranged in the original water stopping ditch without destroying the structure of the original water stopping ditch, so that the method is simple and easy to implement, and the aim of intercepting and draining water at the tunnel opening is fulfilled;
thirdly, the invention has low manufacturing cost, does not need to destroy the original water stopping ditch structure, can prefabricate the adopted device accessories, has simple and convenient operation and quick installation, and can effectively reduce the traffic sealing time caused by the prior treatment mode;
the invention ensures the continuity of the additionally paved asphalt cover coat, improves the driving comfort, can effectively prevent moisture from entering between the cover coat and the cement concrete layer from the position of the water retaining ditch, reduces the water damage of the pavement and improves the durability of the pavement.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a cross-sectional view parallel to a lane of a treatment method for additionally paving and reconstructing a road water-stopping trench;
FIG. 2 is a view parallel to the traffic lane of the processing method for additionally paving and reconstructing the road water-stopping ditch.
Detailed Description
The method for processing a additionally paved and reformed road surface water stopping ditch of the invention is described in detail with reference to the attached drawings and the specific embodiment.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description. And are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1:
as shown in the attached figures 1 and 2, taking the construction of additionally paving a tunnel of a certain highway as an example, the highway is a bidirectional four-lane, and has a single width of 1075cm, wherein the widths of the two curb belts at two sides are respectively 17.5cm, the width of a hard shoulder is 290cm, and the widths of two lanes at two rows are respectively 375 cm. The width of the original water retaining ditch is 4cm, the depth of the original water retaining ditch is 56cm, and the pavement design overlay is 4cm SMA-13 asphalt mixture. Before paving and covering the tunnel portal pavement, performing shot blasting on the cement concrete structural surface to thoroughly remove dirt such as laitance, ash, soil, sand and the like on the cement concrete pavement; the processing method of the additionally paved and reformed road surface water blocking ditch comprises the following specific steps:
s1, manufacturing a U-shaped steel groove, wherein the length of the U-shaped steel groove is 10.75m and the U-shaped steel groove can be formed by splicing a plurality of pieces; the width of the groove edge at the two sides of the U-shaped steel groove is 3cm, the groove depth is 5cm, and the groove bottom width is 4 cm; because the expressway is positioned in the east coast, the annual rainfall capacity is large, the requirement on drainage is high, and a water flow port of 5cm x 3cm is cut at intervals of 20cm at the bottom of the U-shaped steel groove, so that water in the water blocking ditch can be drained in time;
s2, burying a prefabricated U-shaped steel groove in the original tunnel entrance water blocking ditch, wherein the groove edge of the U-shaped steel groove covers the top surface of the original water blocking ditch wall;
s3, after the U-shaped steel groove is arranged, normal additional paving construction of the asphalt overlay is carried out, and the position of a water retaining ditch does not need special treatment in the construction process of the asphalt pavement;
s4, after paving and final pressing of the asphalt overlay, pressing semicircular water retaining grooves at the U-shaped steel groove positions of the road surface by a small road roller through a semicircular steel pipe with the diameter of 3cm in time at the state of keeping the temperature (above 120 ℃);
s5, drilling a hole with the diameter of 3cm at the position of the water blocking groove corresponding to the water flowing port at the bottom of the U-shaped steel groove to serve as a road surface water outlet;
s6, inserting a PVC drain pipe with the diameter of 3cm and the length of 57cm into the water outlet to the bottom of the water blocking ditch, wherein the upper end of the drain pipe is 1cm higher than the bottom of the U-shaped steel groove to ensure that the intercepted road water can be drained into the water blocking ditch through the drain pipe and then drained, and the two sides of the bottom of the drain pipe are symmetrically and transversely cut by 0.5cm to facilitate drainage.
Compared with the prior art, the treatment period is shortened by one month, the treatment period is shortened by 1 day through chiseling and 1 day through re-building in the prior art, the curing period of the concrete of the re-built water retaining ditch is 28 days, the traffic is released after the curing is finished, and the traffic can be communicated on the same day through the method.
The traditional technology breaks the problem that the concrete needs to be dug and rebuilt, the water blocking ditch is covered under the asphalt layer after the asphalt layer is paved, the asphalt mixture for repairing the asphalt pavement is broken, and the repairing of the asphalt pavement is more convenient without cement concrete.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. A processing method for additionally paving and reconstructing a road surface water retaining ditch is characterized by comprising the following steps:
s1, prefabricating a U-shaped groove matched with the water stopping ditch in size, wherein a water flowing port is formed at the bottom of the U-shaped groove;
s2, embedding a prefabricated U-shaped groove in the original water blocking ditch, wherein the U-shaped groove covers the whole width of the road surface;
s3, marking the positions of the U-shaped grooves distributed along the width of the pavement, and paving asphalt top covers according to design requirements;
s4, pressing a water blocking groove on the road surface after the asphalt overlay pavement is finished so as to collect water on the road surface;
s5, drilling a road surface water outlet at the position where the water blocking groove corresponds to the water flowing port, and enabling the water flowing port to be communicated with the road surface water outlet;
and S6, mounting a vertical drain pipe communicated with the bottom of the water blocking ditch at the position of the road surface water outlet, wherein the drain pipe is supported at the bottom of the water blocking ditch so as to lead the water on the road surface to the water blocking ditch through the drain pipe.
2. The processing method of the additionally-paved and reformed road surface water retaining trench as recited in claim 1, wherein a plurality of U-shaped grooves are arranged, and the plurality of U-shaped grooves are spliced to cover the whole width of the road surface;
the U-shaped groove is made of a stainless steel plate, and the thickness of the stainless steel plate is not more than 5 mm.
3. The method for processing the additionally-paved and reformed road surface water retaining trench according to claim 1 or 2, wherein a trench edge is respectively arranged at two sides of the U-shaped trench, the trench edge is suspended at the top surface of the trench wall of the water retaining trench, the width of the trench edge is 75% larger than that of the trench bottom, and the ratio of the wall thickness of the trench edge to the width of the trench bottom is 1-1.5.
4. The method for processing the additionally-paved and reformed road surface water-stopping trench as claimed in claim 3, wherein the width of the bottom of the U-shaped groove is determined according to the dimension of the repaired road surface water-stopping trench, and the width of the bottom of the U-shaped groove is the same as the width of the original water-stopping trench.
5. The processing method of the additionally paved and reformed road surface water-stopping trench as claimed in claim 1, wherein the water flow ports are circular, the circular water flow ports are distributed on the bottom of the trench at equal intervals, and the ratio of the diameter of the circular water flow ports to the width of the bottom of the trench is 0.7-0.75; the distance between the centers of circles of the adjacent circular water flowing ports is 6-8 times of the diameter of the circular water flowing ports.
6. The method for processing the additionally paved and reformed road surface water-blocking trench as claimed in claim 1, wherein the water-blocking grooves are made of semicircular steel pipes, and the ratio of the diameter of the semicircular steel pipes to the width of the water-blocking trench is 0.7-0.75.
7. The method for processing the additionally-paved and reformed road surface water retaining trench according to claim 1 or 6, wherein the water retaining groove is formed by pressing a road roller, and the surface temperature of the asphalt layer is higher than 120 ℃ when the water retaining groove is pressed.
8. The method for processing the water retaining trench for the paved and reformed road surface according to claim 1, wherein the part of the drainage pipe, which is less than one half, is cut, a symmetrical cutting mode is adopted during the cutting, and the arc length of the drainage pipe cut at one side is one sixth of the circumference length of the drainage pipe.
9. The treatment method for the additionally-paved and reformed road surface water retaining trench according to claim 1 or 8, wherein the lower end of the drain pipe is positioned at the bottom of the water retaining trench, and the upper end of the drain pipe is 1-1.5cm higher than the bottom of the U-shaped groove.
10. The method as claimed in claim 9, wherein the drain pipe has an outer diameter equal to an inner diameter of the drain port at the bottom of the U-shaped groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110073107.9A CN112647400B (en) | 2021-01-20 | 2021-01-20 | Processing method for additionally-paved and improved road surface water retaining ditch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110073107.9A CN112647400B (en) | 2021-01-20 | 2021-01-20 | Processing method for additionally-paved and improved road surface water retaining ditch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112647400A true CN112647400A (en) | 2021-04-13 |
| CN112647400B CN112647400B (en) | 2022-02-18 |
Family
ID=75370943
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110073107.9A Active CN112647400B (en) | 2021-01-20 | 2021-01-20 | Processing method for additionally-paved and improved road surface water retaining ditch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112647400B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090121626A (en) * | 2008-05-22 | 2009-11-26 | 박정규 | Change type pavement structure |
| CN101603286A (en) * | 2009-07-03 | 2009-12-16 | 江西赣粤高速公路股份有限公司 | Old road asphalt stabilized macadam overlay reforming method and structure thereof |
| CN202347385U (en) * | 2011-11-02 | 2012-07-25 | 广东华路交通科技有限公司 | Novel asphalt overlaying structure of cement concrete pavement |
| CN103266549A (en) * | 2013-05-28 | 2013-08-28 | 长沙理工大学 | Routing table water discharging system in construction period of expressway reconstruction and extension project |
| CN103966941A (en) * | 2014-04-10 | 2014-08-06 | 广东省建筑科学研究院 | Construction method for rapidly repairing expansion joint heightening leveling layer |
| CN106192646A (en) * | 2016-08-30 | 2016-12-07 | 宁波交通工程建设集团有限公司 | Vcehicular tunnel car-driving shock-absorbing denoising structure and construction method thereof |
| CN109098065A (en) * | 2018-06-06 | 2018-12-28 | 湖北文理学院 | A kind of road table blocks water belt construction method |
| CN109914182A (en) * | 2019-04-11 | 2019-06-21 | 张健俣 | A kind of road drainage system and express highway |
| CN110670445A (en) * | 2019-11-06 | 2020-01-10 | 保利长大工程有限公司 | Highway is straight-through type water drainage tank of assembled for road surface |
| CN210797816U (en) * | 2019-08-13 | 2020-06-19 | 中冶南方城市建设工程技术有限公司 | Gutter inlet structure for paving permeable asphalt on impermeable road surface |
-
2021
- 2021-01-20 CN CN202110073107.9A patent/CN112647400B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090121626A (en) * | 2008-05-22 | 2009-11-26 | 박정규 | Change type pavement structure |
| CN101603286A (en) * | 2009-07-03 | 2009-12-16 | 江西赣粤高速公路股份有限公司 | Old road asphalt stabilized macadam overlay reforming method and structure thereof |
| CN202347385U (en) * | 2011-11-02 | 2012-07-25 | 广东华路交通科技有限公司 | Novel asphalt overlaying structure of cement concrete pavement |
| CN103266549A (en) * | 2013-05-28 | 2013-08-28 | 长沙理工大学 | Routing table water discharging system in construction period of expressway reconstruction and extension project |
| CN103966941A (en) * | 2014-04-10 | 2014-08-06 | 广东省建筑科学研究院 | Construction method for rapidly repairing expansion joint heightening leveling layer |
| CN106192646A (en) * | 2016-08-30 | 2016-12-07 | 宁波交通工程建设集团有限公司 | Vcehicular tunnel car-driving shock-absorbing denoising structure and construction method thereof |
| CN109098065A (en) * | 2018-06-06 | 2018-12-28 | 湖北文理学院 | A kind of road table blocks water belt construction method |
| CN109914182A (en) * | 2019-04-11 | 2019-06-21 | 张健俣 | A kind of road drainage system and express highway |
| CN210797816U (en) * | 2019-08-13 | 2020-06-19 | 中冶南方城市建设工程技术有限公司 | Gutter inlet structure for paving permeable asphalt on impermeable road surface |
| CN110670445A (en) * | 2019-11-06 | 2020-01-10 | 保利长大工程有限公司 | Highway is straight-through type water drainage tank of assembled for road surface |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112647400B (en) | 2022-02-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112647400B (en) | Processing method for additionally-paved and improved road surface water retaining ditch | |
| CN102322094A (en) | Road surface combined drainage system | |
| CN211228269U (en) | High-grade highway central separation strip structure | |
| US20120269573A1 (en) | Systems and Methods for Diverting Sub-surface Water | |
| CN206503213U (en) | Scattered collection mating type waterproof and water drainage system for highway median strip | |
| CN212582324U (en) | Municipal works road laying structure | |
| KR20160097486A (en) | Road drainage facility and construction methods accordingly | |
| CN213571373U (en) | A road bed drainage structures for highway section is richened to groundwater | |
| CN209873485U (en) | Permanent temporary combined toilet structure for gully treatment | |
| CN220015204U (en) | Comprehensive treatment structure for freezing injury of water-rich operating tunnel | |
| CN216688880U (en) | A ooze row convolution road surface structure for view road | |
| CN111560815A (en) | Road surface rainwater side drainage permeation structure and construction method | |
| JP2003253611A (en) | Boundary block | |
| CN213772778U (en) | Tunnel antiseep combined type road surface | |
| CN210658386U (en) | Highway subgrade landslide prevention device | |
| CN213116306U (en) | Pipe jacking construction working well | |
| CN211285642U (en) | Hydraulic slope drainage system | |
| CN113089681B (en) | Waterproof invasion structure of deep foundation pit base concrete cushion layer and construction method | |
| CN220013546U (en) | Concrete lattice slope protection for downstream dam slope of earth-rock dam | |
| CN113981767B (en) | Urban non-motor vehicle lane road surface drainage system and construction method thereof | |
| KR102362469B1 (en) | Rainwater penetration and storage type shoulder structure for impermeable pavement road and construction method thereof | |
| CN109973147B (en) | Construction method of highway tunnel drainage ditch | |
| CN220352546U (en) | Assembly type road curb structure of municipal works | |
| JP4227600B2 (en) | Paved road surface construction method for drainage-type paved road, and drainage-type paved road thereby | |
| CN210420763U (en) | Tunnel pavement water leakage maintenance structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |