CN205012192U - Be used for inside drainage system in highway sag vertical curve bottom road surface - Google Patents
Be used for inside drainage system in highway sag vertical curve bottom road surface Download PDFInfo
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- CN205012192U CN205012192U CN201520759045.7U CN201520759045U CN205012192U CN 205012192 U CN205012192 U CN 205012192U CN 201520759045 U CN201520759045 U CN 201520759045U CN 205012192 U CN205012192 U CN 205012192U
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Abstract
The utility model provides a be used for inside drainage system in highway sag vertical curve bottom road surface includes surface course, basic unit and bed course from top to bottom, wherein in proper order the basic unit permeates water to set up between basic unit and the waterproof basic unit and passes through the seal including setting up permeate water basic unit and the waterproof basic unit of setting in the below in the top the basic unit outside sets up sump pit and transverse drainage pipeline, the rainwater, converges in the sump pit to pass through the seal on through surface course, the basic unit's seepage flow that permeates water, through the transverse drainage pipeline again with rainwater drainage to the structure of road surface outside. The utility model discloses a big particle diameter water permeability asphalt concrete basic unit of permeating water, the use of cooperation sump pit and transverse drainage pipeline can enough reduce rigid base's reflective cracking, and outside road surface and roadbed structure were in time got rid of to the moisture in the structure of road surface of stagnating in a large number again, it was bad to reduce between inside ponding problem in road surface and layer the damage by water, with the performance that greatly improve the road surface with prolong road life.
Description
Technical field
The utility model relates to road structure and technical field of drainage, particularly relates to a kind of for pavement subsurface drainage system bottom speedway sag vertical curve.
Background technology
In use for some time, inevitably there is various disease in highway pavement, wherein water is the Major Natural factor of harm highway.Most of roadbed settlement, wash away, cave in, burst and become muddy when a thaw sets in, flexible pavement is loose, peel off, chap, the disease such as purt mud, relevant with the erosion of water all to some extent.The effect of water exacerbates the damage of roadbed and road structure; Cannot get rid of rapidly after being seeped into sub-surface under the table ponding of road, Moisture Damage phenomenon occur, reduces the application life on road surface.Moisture Damage makes road surface produce the phenomenon destroyed after precipitation enters road surface structare layer, be the most common in current asphalt concrete pavement early disease is also one of maximum disease of destructive power.
Pavement damage status investigations a large amount of both at home and abroad and pavement usage experience show, the Free water entered in road structure is the first cause causing or accelerate pavement damage.Therefore, in the newly-built of speedway and medium-capital overhauling maintenance engineering, pavement subsurface drainage system is set, the water stagnated in road structure is rejected in time outside road surface and road structure, will greatly improve the functional performance on road surface and extend Road Service Life.
Utility model content
For area of heavy rainfull, bottom speedway sag vertical curve, particularly easily cause rainwater infiltrate in a large number and retain in road structure, cause the problem such as road surface Water Damage and supporting capacity reduction, the utility model provides a kind of surface drainage arranging large grain diameter water permeability asphalt concrete permeable basic unit, this system, with collecting well and transverse drainage duct, can realize being discharged by pavement seepage fast.
Technical problem to be solved in the utility model realizes by the following technical solutions:
A kind of for pavement subsurface drainage system bottom speedway sag vertical curve, comprise surface layer, basic unit and bed course successively from top to bottom, it is characterized in that: described basic unit comprises the porous base course being arranged on top and the waterproof basic unit being arranged on below, between porous base course and waterproof basic unit, sealing is set, have for collecting the collecting well penetrating into ponding under road surface in described basic unit arranged outside, collecting well side and bottom surface arrange impervious barrier, and arrange the transverse drainage duct for discharging collecting well ponding.
Collecting well is arranged in runway and hardened verge graticule lower right-hand side hardened verge, and is close to runway.
Described surface layer is asphalt concrete pavement, and described porous base course is large grain diameter water permeability asphalt concrete, and described waterproof basic unit is cement stabilized macadam base.
Described collecting well is arranged on road both sides under road surface, inner filling simple grain footpath 1-3cm rubble.
Described impervious barrier is the impervious barrier that anti-seepage geotextile process is formed.
Described transverse drainage duct is pvc tube, and arranges 4% horizontal wall inscription.
The beneficial effects of the utility model are:
1, the utility model is used for pavement subsurface drainage system bottom speedway sag vertical curve, large grain diameter water permeability asphalt concrete permeable basic unit is adopted to belong to flexbile base, coordinate the use of transverse drain and sealing, the reflection of roadbed cracks can be stoped well, and reduce water destruct between supercrust.
2, the utility model is used for pavement subsurface drainage system bottom speedway sag vertical curve, adopt the mode that collecting well and transverse drain are set, well can play the effect collecting the inner ponding in road surface, particularly easily occur that a large amount of ponding has good result for road surface bottom speedway sag vertical curve is inner.
3, the utility model is used for pavement subsurface drainage system bottom speedway sag vertical curve, transverse drainage duct is arranged higher than collecting well bottom surface, and rubble is filled in collecting well inside, has filtering-depositing effect to the inside ponding collected, prevent transverse drainage duct from using for a long time and occur alluvial phenomenon.
4, the utility model is used for pavement subsurface drainage system bottom speedway sag vertical curve, the collecting well size laid by adjustment, transverse drainage duct caliber and spacing, can meet the drainage requirement of different regions and different amount of precipitation, its drain function has more flexibility and specific aim.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure: surface layer 1, porous base course 2, waterproof basic unit 3, thoroughly sealing 4, bed course 5, collecting well 6, impervious barrier 7, transverse drainage duct 8, runway and hardened verge graticule 9.
Detailed description of the invention
The technological means realized to make the utility model, creation characteristic, reach object and effect is easy to understand, below in conjunction with specific embodiments and the drawings, further elaboration the utility model, but following embodiment is only preferred embodiment of the present utility model, and not all.Based on the embodiment in embodiment, those skilled in the art under the prerequisite not making creative work obtain other embodiment, all belong to protection scope of the present invention.
Below in conjunction with accompanying drawing, specific embodiment of the utility model is described.
As shown in Figure 1,
This embodiment pavement subsurface drainage system comprises surface layer 1, porous base course 2, waterproof basic unit 3, thoroughly sealing 4, bed course 5, collecting well 6, impervious barrier 7, transverse drainage duct 8, runway and hardened verge graticule 9.
The surface layer 1 on road surface is dense-graded asphalt concrete, comprises surface layer and the thick AC-20C cutting optimal of 8cm in the thick AC-13C of 4cm (SBS) upper layer, the thick AC-20C of 6cm (SBS); Porous base course 2 is large grain diameter water permeability asphalt concrete LSPM-25, and thickness is 17cm; Waterproof basic unit 3 is cement stabilized macadam, and thickness is 17cm; Bed course 5 is the thick rendzinas of 20cm.Top course and basic unit arrange 2% horizontal wall inscription, are beneficial to collecting and discharging of water.
Saturating sealing 4 adopts modified emulsifying asphalt top dressing, tackles the infiltration be pooled on porous base course 2.
Collecting well 6 is arranged in runway and hardened verge graticule 9 lower right-hand side hardened verge, and is close to runway.
The side of collecting well 6 contacts with the side of large grain diameter water permeability asphalt concrete base layer (porous base course 2) and cement stabilized grading crushed stones subbase (waterproof basic unit 3), width 20cm, long 30cm; Bottom surface is concordant with cement stabilized grading crushed stones subbase (waterproof basic unit 3) bottom surface, surface and large grain diameter water permeability asphalt concrete permeable basic unit (porous base course 2) either flush.
After collecting well 6 side and bottom surface arrange anti-seepage geotextile impervious barrier 7, fill simple grain footpath 1-3cm rubble.
Concordant with large grain diameter water permeability asphalt concrete base layer (porous base course 2) bottom surface on the left of transverse drainage duct 8, one end is stretched in collecting well 6, and arranges the horizontal wall inscription of 4%, is beneficial to the discharge of infiltration.
Transverse drainage duct 8 can select polyvinyl chloride (PVC) plastic pipe, and diameter gets 50mm, together with transverse drainage duct 8 and collecting well 6 are arranged every 5m ~ 10m.
During rainfall, after rainwater drop to road surface, the space entering into road structure is gone, penetrate in porous base course 2, due to the blocking-up of saturating sealing 4, flowing to road both sides by road surface horizontal wall inscription arranges in collecting well 6, and collecting and precipitating through collecting well 6, rainwater flows out road structure by transverse drainage duct 8.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " interior ", " outward ", " clockwise ", orientation or the position relationship of the instruction such as " counterclockwise " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.In description of the present utility model, the implication of " multiple " is two or more, unless otherwise expressly limited specifically.
In the utility model, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, the concrete meaning of above-mentioned term in the utility model can be understood as the case may be.
In the utility model, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or D score can comprise the first and second features and directly contact, also can comprise the first and second features and not be directly contact but by the other characterisation contact between them.And, fisrt feature second feature " on ", " top " and " above " comprise fisrt feature directly over second feature and oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " comprise fisrt feature immediately below second feature and tiltedly below, or only represent that fisrt feature level height is less than second feature.
More than show and describe general principle of the present utility model, principal character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and manual is only preference of the present utility model; be not used for limiting the utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (6)
1. one kind for pavement subsurface drainage system bottom speedway sag vertical curve, comprise surface layer, basic unit and bed course successively from top to bottom, it is characterized in that: described basic unit comprises the porous base course being arranged on top and the waterproof basic unit being arranged on below, between porous base course and waterproof basic unit, sealing is set, have for collecting the collecting well penetrating into ponding under road surface in described basic unit arranged outside, collecting well side and bottom surface arrange impervious barrier, and arrange the transverse drainage duct for discharging collecting well ponding.
2. according to claim 1 for pavement subsurface drainage system bottom speedway sag vertical curve, it is characterized in that: collecting well is arranged in runway and hardened verge graticule lower right-hand side hardened verge, and is close to runway.
3. according to claim 1 for pavement subsurface drainage system bottom speedway sag vertical curve, it is characterized in that: described surface layer is asphalt concrete pavement, described porous base course is large grain diameter water permeability asphalt concrete, and described waterproof basic unit is cement stabilized macadam base.
4. according to claim 1 for pavement subsurface drainage system bottom speedway sag vertical curve, it is characterized in that: described collecting well is arranged on road both sides under road surface, inner filling simple grain footpath 1-3cm rubble.
5. according to claim 1 for pavement subsurface drainage system bottom speedway sag vertical curve, it is characterized in that: described impervious barrier is the impervious barrier that anti-seepage geotextile process is formed.
6. according to claim 1 for pavement subsurface drainage system bottom speedway sag vertical curve, it is characterized in that: described transverse drainage duct is pvc tube, and 4% horizontal wall inscription is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520759045.7U CN205012192U (en) | 2015-09-28 | 2015-09-28 | Be used for inside drainage system in highway sag vertical curve bottom road surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520759045.7U CN205012192U (en) | 2015-09-28 | 2015-09-28 | Be used for inside drainage system in highway sag vertical curve bottom road surface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205012192U true CN205012192U (en) | 2016-02-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520759045.7U Expired - Fee Related CN205012192U (en) | 2015-09-28 | 2015-09-28 | Be used for inside drainage system in highway sag vertical curve bottom road surface |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106592380A (en) * | 2017-01-24 | 2017-04-26 | 兰州交通大学 | Road surface rainwater collecting ecological system |
| CN107178043A (en) * | 2017-06-05 | 2017-09-19 | 长沙理工大学 | A kind of coarse-grained soil high-fill roadbed discharge structure and its construction technology |
| CN107841917A (en) * | 2017-10-31 | 2018-03-27 | 绍兴文理学院元培学院 | A kind of porous asphalt pavement water storage pumping equipment |
| CN108004877A (en) * | 2017-11-29 | 2018-05-08 | 广州市绿化公司 | A kind of sponge urban ecology square road foundation structure |
| CN110344441A (en) * | 2019-07-12 | 2019-10-18 | 中国建筑一局(集团)有限公司 | It is a kind of to design the sponge urban road and road construction method for having pipe gallery |
| CN111733649A (en) * | 2020-07-14 | 2020-10-02 | 长沙理工大学 | Super-wide pavement internal drainage system for expressway and determination method of permeability coefficient of super-wide pavement internal drainage system |
-
2015
- 2015-09-28 CN CN201520759045.7U patent/CN205012192U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106592380A (en) * | 2017-01-24 | 2017-04-26 | 兰州交通大学 | Road surface rainwater collecting ecological system |
| CN107178043A (en) * | 2017-06-05 | 2017-09-19 | 长沙理工大学 | A kind of coarse-grained soil high-fill roadbed discharge structure and its construction technology |
| CN107841917A (en) * | 2017-10-31 | 2018-03-27 | 绍兴文理学院元培学院 | A kind of porous asphalt pavement water storage pumping equipment |
| CN108004877A (en) * | 2017-11-29 | 2018-05-08 | 广州市绿化公司 | A kind of sponge urban ecology square road foundation structure |
| CN110344441A (en) * | 2019-07-12 | 2019-10-18 | 中国建筑一局(集团)有限公司 | It is a kind of to design the sponge urban road and road construction method for having pipe gallery |
| CN111733649A (en) * | 2020-07-14 | 2020-10-02 | 长沙理工大学 | Super-wide pavement internal drainage system for expressway and determination method of permeability coefficient of super-wide pavement internal drainage system |
| CN111733649B (en) * | 2020-07-14 | 2022-05-20 | 长沙理工大学 | Super-wide pavement internal drainage system for expressway and determination method of permeability coefficient thereof |
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| 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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160203 Termination date: 20210928 |