CN107780318A - A kind of prefabricated permeable structure system in sponge city and its construction method - Google Patents
A kind of prefabricated permeable structure system in sponge city and its construction method Download PDFInfo
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- CN107780318A CN107780318A CN201710872390.5A CN201710872390A CN107780318A CN 107780318 A CN107780318 A CN 107780318A CN 201710872390 A CN201710872390 A CN 201710872390A CN 107780318 A CN107780318 A CN 107780318A
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- bed course
- graded
- drainage
- permeable structure
- sponge city
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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
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F5/00—Draining the sub-base, i.e. subgrade or ground-work, e.g. embankment of roads or of the ballastway of railways or draining-off road surface or ballastway drainage by trenches, culverts, or conduits or other specially adapted means
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Paving Structures (AREA)
Abstract
The invention discloses a kind of prefabricated permeable structure system in sponge city and its construction method, the permeable structure system includes preformed polymer porous disc, drainage grill, waterproof bed course, close-graded supporting course, graded broken stone base, kerbstone and drainage pipeline；Preformed polymer porous disc has porous discharge structure, can reach the vertical quick function of excluding surface gathered water；Drainage grill is made up of general engineering plastic and is provided with osculum, for collecting lower infiltration and discharging pavement structure by drainage pipeline；Oozed under waterproof bed course exclusion of water point, it is ensured that the intensity of close-graded supporting course and graded broken stone base.The quick discharge path table ponding of energy of the invention, preformed polymer porous disc is easy to maintenance and replacement with drainage grill simultaneously, ensure the good behaviour in service of pavement structure and water permeability, can be applied to the light traffic road structure such as city square, park, cell and bicycle lane.
Description
Technical field
The present invention relates to a kind of prefabricated permeable structure system in sponge city and its construction method, belong to new road material with
Technical field of structures.
Background technology
Porous concrete structure has superior draining and anti-acoustic capability, the important main city part as structure sponge city
Surface gathered water can effectively be excluded, it is ensured that urban transporting system it is smooth with it is safe.However, porous concrete structure, particularly
Problems in actual applications be present in porous asphalt concrete structure：On the one hand due to porosity is larger, porous drip
The intensity of blue or green concrete structure is generally relatively low, and pore structure easily compaction deformation is occurred in high temperature season by load action,
So as to cause drainage performance to decline；On the other hand, dust present in external environment, greasy dirt etc. easily enter in pore structure
Portion, causes pore plugging, and dewatering and noise reduction performance significantly decays.
The application to urban road drainage road surface is more single at this stage, focuses primarily upon with porous asphalt concrete making
Permeable car lane face.However, the situation for pore plugging occur during use and causing water permeability to lack occurs repeatedly, it is existing
Field can not effectively solve the problems, such as pore plugging using the measure such as vacuum cleaning and high pressure water washing；In addition, city non-motor vehicle
Road, square are mated formation and the area distribution based on light traffic or non-motor vehicle, pedestrian such as cell road is extensive, if making full use of energy
Build effective urban road drainage system.As can be seen here, a kind of new prefabricated permeable structure system of design can be greatly
Ground promotes the construction of urban water-through system.The structural system need to possess following advantage：The mechanical property of high intensity, can effectively it resist
Compaction deformation caused by vehicular load, it is ensured that pore structure occurs without compression phenomena in use；Convenient construction, as far as possible
Reduce to urban transportation or the influence of citizens' activities；Easy to maintain or replacing damaged location, ensure the endurance quality of permeable system.
Chinese patent literature CN104003661B discloses a kind of permeable reclaimed asphalt mixture pavior brick and its preparation side
Method, water-permeable brick is molded using Recycled Asphalt Pavement and polyvinyl acetate etc., possesses certain environment-friendly advantage, but do not carry
Go out complete permeable structure system；Chinese patent literature CN104310858B discloses a kind of raising pervious asphalt concrete road surface
The method of water permeability, miberal powder is mentioned using the compound powder of dank material sepiolite and vermiculite, realizes water permeability
Lifting, do not propose a kind of construction equally, conserve and repair convenient permeable structure.
The content of the invention
Technical problem：It is an object of the invention to provide a kind of prefabricated permeable structure system in sponge city and its construction method,
For the structure using preformed polymer porous disc as pavement structure, structural mechanical property is excellent, and is easy to construct, conserves and dimension
Repair, solve and lack city light traffic and non-motor vehicle, the problem of the permeable system of road structure based on pedestrian at this stage.
Technical scheme：The invention provides a kind of prefabricated permeable structure system in sponge city, the structural system is into certain slope
Degree arrangement, is followed successively by preformed polymer porous disc, drainage grill, waterproof bed course, close-graded supporting course, graded broken stone from top to bottom
Basic unit, drainage pipeline is disposed with the relatively low marginal position of waterproof bed course.
Wherein：
The gradient that the described structural system is arranged into certain slope is 1%~2%, and the layout of structural system is in curb
Stone side.
Described preformed polymer porous disc is 0.1m~0.2m for square or rectangle, its thickness, and each edge lengths are
1.0m~1.5m, porosity is 12%~20%.
Polymer in described preformed polymer porous disc is polyurethane, methyl methacrylate or epoxy resin.
Described drainage grill is made up of general engineering plastic, and for the precast construction of grille strip splicing composition, its thickness is
3cm~5cm, the length of side of each grid is 20cm~30cm in drainage grill, and the grille strip lower edge be provided with height for 1cm~
2cm, the rectangular drain mouth that length is 2cm~4cm.
Described waterproof bed course is dense bitumen screed, and porosity is less than 1%.
Described close-graded supporting course uses particulate formula bituminous concrete；Described graded broken stone base is nominal maximum grain
Footpath is 19mm graded broken stone layer.
The drainage pipeline is the High strength plastic pipe that side sets multigroup rectangular drain hole, and it is relatively low to be arranged at waterproof bed course
The edge of side, its osculum lower edge and waterproof bed course upper surface flush, ponding is oozed under being easy to can rapidly enter drainage pipeline.
A diameter of 0.1m~0.15m, the thickness of described drainage pipeline are 1cm~1.5cm, and the drainage pipeline is along road
It is longitudinally arranged, collects lower infiltration and pavement structure is discharged by water discharger for road.
Present invention also offers a kind of construction method of the prefabricated permeable structure system in sponge city, this method includes following step
Suddenly：
1) it is 19mm graded broken stone as pavement structure basic unit using nominal maximum particle diameter, 1 °~2 ° is set in paving process
Cross fall, be compacted using road roller, obtain graded broken stone base；
2) in graded broken stone base upper surface making particulate formula bituminous concrete as close-graded supporting course, and two layers it
Between spray emulsified bituminous materials as binding agent；
3) on close-graded supporting course making dense bitumen screed as waterproof bed course；
4) by the prefabricated direct making of drainage grill in waterproof bed course upper surface；
5) by the direct making of preformed polymer porous disc above drainage grill, preformed polymer porous disc physical dimension root
Adjusted according to practical application request；
6) drainage pipeline is embedded in the edge of the relatively low side of waterproof bed course, and the osculum that carries of drainage pipeline is following
The upper surface flush of edge and waterproof bed course, ponding is oozed under being easy to can rapidly enter drainage pipeline, and drainage pipeline length is according to road
Actual lower water-bound arrangement is adjusted.
Beneficial effect：Compared with existing permeable structure system and construction method, advantages of the present invention is embodied in：
The present invention devises a kind of sponge urban water-through road structural system, for city non-motor vehicle, cell and square
Permeable pavement Deng road provides effective construction method；
In terms of structural behaviour, polymer is employed as binding material, the structure being molded possesses higher structural strength
With durability, avoid surface deformation under megathermal climate and load action and cause drain aperture to be compressed；
In terms of construction method, preformed polymer porous disc, prefabricated polyvinyl chloride drainage grill and prefabricated drainage pipeline pole
The earth promotes the convenience of construction, significantly reduces due to constructing to urban transportation and the interference of citizens' activities；
In addition, structural system is easy to maintenance and maintenance, be advantageous to the water permeability of fast quick-recovery pavement structure.
Brief description of the drawings
Fig. 1 is the sponge urban water-through road structural system overall structure diagram of the present invention；
Fig. 2 is drainage pipeline schematic diagram；
Fig. 3 is the schematic diagram of drainage grill；
Included in figure：Preformed polymer porous disc 1, drainage grill 2, waterproof bed course 3, close-graded supporting course 4, graded broken stone
Basic unit 5, kerbstone 6, drainage pipeline 7, osculum 8, grille strip 9 and discharge outlet 10.
Embodiment
The purpose of the present invention is described in further detail with reference to specific embodiment, the example is only used for more clear
Illustrate to Chu technical scheme, and can not be limited the scope of the invention with this.
Embodiment 1
As shown in figure 1, a kind of prefabricated permeable structure system in sponge city, the structural system are arranged into 2% horizontal slope, from upper and
Under be followed successively by preformed polymer porous disc 1, drainage grill 2 (material is polyvinyl chloride), waterproof bed course 3, close-graded supporting course 4,
Graded broken stone base 5, drainage pipeline 7 is disposed with 3 relatively low marginal position of waterproof bed course.
Basic unit first using graded broken stone structure as permeable system, from nominal maximum aggregate size it is 19mm in the present embodiment
Graded broken stone, and using road roller carry out compaction treatment；Close-graded supporting course is used as using particulate formula bituminous concrete SUP-13
4, bond graded broken stone base 5 and close-graded supporting course 4 by spraying emulsified asphalt.
Using dense bitumen screed as waterproof bed course 3, waterproof bed course 3 and close-graded supporting course 4 in the present embodiment
Between equally using emulsified asphalt as tack coat, it is ensured that each structure sheaf forms entirety；Dense bitumen mortar layer surface should be noted that
It is floating, it is ensured that to be brought into close contact with drainage grill 2.
As shown in Fig. 2 the drainage pipeline 7 is the High strength plastic pipe that side sets multigroup rectangular drain hole 8, this example
It is middle to use a diameter of 0.1m, thickness to be managed for 1cm polyvinyl chloride (PVC).The osculum 8 of drainage pipeline 7 is arranged towards setting on the inside of road
The lower edge of water hole 8 and the upper surface flush of waterproof bed course 3, ponding is oozed under being easy to can rapidly enter drainage pipeline 7.
As shown in figure 3, using the prefabricated drainage grill 2 of polyvinyl chloride (PVC) in this example, it is made up of the splicing of grille strip 9,
Thickness is 5cm, and grid side length of element is 30cm, and the lower edge of the grille strip 9 be provided with height be 2cm, the rectangle that length is 4cm
Discharge outlet 10；Prefabricated drainage grill floor space is length of side 1m square area, uses and splices and combines between each drainage grill 2
Road drainage layer is formed, lower infiltration collects and flows into drainage pipeline 7 by drainage grill 2.
Preformed polymer porous disc 1 is using polyurethane, methyl methacrylate or epoxy resin as binding material, its hole
Rate is between 12%~20%, it is ensured that surface gathered water can quickly under ooze, the thickness of preformed polymer porous disc 1 is unsuitable excessive, avoids
Pore plugging, and be advantageous to construction and later maintenance；This example is shaped to thickness 0.15m, length of side 1.0m square polymer
Porous disc, binding material is used as using methyl methacrylate (MMA), pervious concrete is prepared according to the mineral aggregate gradation shown in table 1,
Structure porosity is 19.9%.
The preformed polymer porous disc mineral aggregate gradation of table 1
Polymer concrete can mix at normal temperatures, the die trial made according to physical dimension is poured into after mix is uniform, after 48h
Form removal can obtain preformed polymer porous disc 1；Preformed polymer porous disc 1 is directly arranged at the top of polyvinyl chloride drainage grill 2,
The use demand such as light traffic load and pedestrian can be met, it is easy to maintain, effectively facilitate the construction of sponge urban system.
Above-described embodiment is only patent preferred embodiment of the present invention, but the protection domain of patent of the present invention is not limited to
This.Any one skilled in the art is in the scope disclosed in patent of the present invention, according to the skill of patent of the present invention
Art scheme and its inventive concept are subject to equivalent substitution or change, belong to the protection domain of patent of the present invention.
Claims (9)
- A kind of 1. prefabricated permeable structure system in sponge city, it is characterised in that：The structural system is arranged into certain slope, from upper Under be followed successively by preformed polymer porous disc (1), drainage grill (2), waterproof bed course (3), close-graded supporting course (4), graded broken stone Basic unit (5), in waterproof bed course (3), relatively low marginal position is disposed with drainage pipeline (7).
- 2. the prefabricated permeable structure system in sponge city according to claim 1, it is characterised in that：The described structural system The gradient into certain slope arrangement is 1 °~2 °, and the layout of structural system is in kerbstone (6) side.
- 3. the prefabricated permeable structure system in sponge city according to claim 1, it is characterised in that：Described preformed polymer Porous disc (1) is square or rectangle, and its thickness is 0.1m~0.2m, and each edge lengths are 1.0m~1.5m, porosity 12% ~20%.
- 4. the prefabricated permeable structure system in sponge city according to claim 1, it is characterised in that：Described preformed polymer Polymer in porous disc (1) is polyurethane, methyl methacrylate or epoxy resin.
- 5. the prefabricated permeable structure system in sponge city according to claim 1, it is characterised in that：Described drainage grill (2) it is made up of general engineering plastic, for the precast construction of grille strip (9) splicing composition, its thickness is 3cm~5cm, drainage grill (2) length of side of each grid is 20cm~30cm in, and it is 1cm~2cm, length 2cm that the grille strip lower edge, which is provided with height, ~4cm rectangular drain mouth (10).
- 6. the prefabricated permeable structure system in sponge city according to claim 1, it is characterised in that：Described waterproof bed course (3) it is dense bitumen screed, porosity is less than 1%.
- 7. the prefabricated permeable structure system in sponge city according to claim 1, it is characterised in that：Described close-graded load-bearing Layer (4) uses particulate formula bituminous concrete；Described graded broken stone base (5) is the graded broken stone that nominal maximum particle diameter is 19mm Layer.
- 8. the prefabricated permeable structure system in sponge city according to claim 1, it is characterised in that：The drainage pipeline (7) The High strength plastic pipe of multigroup rectangular drain hole (8) is set for side, is arranged at edge of the waterproof bed course (3) compared with downside, its Osculum (8) lower edge and waterproof bed course (3) upper surface flush, ponding is oozed under being easy to can rapidly enter drainage pipeline (7).
- A kind of 9. construction method of the prefabricated permeable structure system in sponge city as claimed in claim 1, it is characterised in that：The party Method comprises the steps of：1) using nominal maximum particle diameter to be 19mm graded broken stone as pavement structure basic unit, in paving process set 1 °~2 ° of horizontal stroke To the gradient, it is compacted using road roller, obtains graded broken stone base (5)；2) in graded broken stone base (5) upper surface making particulate formula bituminous concrete as close-graded supporting course (4), and at two layers Between spray emulsified bituminous materials as binding agent；3) close-graded supporting course (4) above making dense bitumen screed as waterproof bed course (3)；4) by prefabricated drainage grill (2) directly making in waterproof bed course (3) upper surface；5) by preformed polymer porous disc (1) directly making above drainage grill (2)；6) drainage pipeline (7) is embedded in edge of the waterproof bed course (3) compared with downside, and the osculum that drainage pipeline (7) carries Lower edge and waterproof bed course (3) upper surface flush, ponding is oozed under being easy to can rapidly enter drainage pipeline (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710872390.5A CN107780318A (en) | 2017-09-25 | 2017-09-25 | A kind of prefabricated permeable structure system in sponge city and its construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710872390.5A CN107780318A (en) | 2017-09-25 | 2017-09-25 | A kind of prefabricated permeable structure system in sponge city and its construction method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107780318A true CN107780318A (en) | 2018-03-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710872390.5A Withdrawn CN107780318A (en) | 2017-09-25 | 2017-09-25 | A kind of prefabricated permeable structure system in sponge city and its construction method |
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| CN (1) | CN107780318A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114293426A (en) * | 2021-12-29 | 2022-04-08 | 中冶南方城市建设工程技术有限公司 | Permeable brick pavement with air washing function |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000170109A (en) * | 1998-12-09 | 2000-06-20 | Kudo Concrete Kk | Road surface drainage edge stone |
| CN201835198U (en) * | 2010-08-25 | 2011-05-18 | 刘建华 | Drainage roadbed for high underground water level |
| CN103938524A (en) * | 2014-04-30 | 2014-07-23 | 肖桂芬 | Assembled dedicated pedestrian street, pavement method of pedestrian street and design method of pedestrian street |
| CN203834315U (en) * | 2014-04-29 | 2014-09-17 | 长安大学 | Road drainage facility |
| CN105463965A (en) * | 2015-12-31 | 2016-04-06 | 江西贝融循环材料股份有限公司 | Long-life water permeable plate easy to recover and keep water permeability |
| CN205839508U (en) * | 2016-05-07 | 2016-12-28 | 台州开腾园林工程有限公司 | Sponge city paved road structure |
-
2017
- 2017-09-25 CN CN201710872390.5A patent/CN107780318A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000170109A (en) * | 1998-12-09 | 2000-06-20 | Kudo Concrete Kk | Road surface drainage edge stone |
| CN201835198U (en) * | 2010-08-25 | 2011-05-18 | 刘建华 | Drainage roadbed for high underground water level |
| CN203834315U (en) * | 2014-04-29 | 2014-09-17 | 长安大学 | Road drainage facility |
| CN103938524A (en) * | 2014-04-30 | 2014-07-23 | 肖桂芬 | Assembled dedicated pedestrian street, pavement method of pedestrian street and design method of pedestrian street |
| CN105463965A (en) * | 2015-12-31 | 2016-04-06 | 江西贝融循环材料股份有限公司 | Long-life water permeable plate easy to recover and keep water permeability |
| CN205839508U (en) * | 2016-05-07 | 2016-12-28 | 台州开腾园林工程有限公司 | Sponge city paved road structure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114293426A (en) * | 2021-12-29 | 2022-04-08 | 中冶南方城市建设工程技术有限公司 | Permeable brick pavement with air washing function |
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Application publication date: 20180309 |
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