CN209443316U - A kind of permeable tile work pavement structure that closely knit asphalt macadam concrete layer is set - Google Patents
A kind of permeable tile work pavement structure that closely knit asphalt macadam concrete layer is set Download PDFInfo
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- CN209443316U CN209443316U CN201821608858.6U CN201821608858U CN209443316U CN 209443316 U CN209443316 U CN 209443316U CN 201821608858 U CN201821608858 U CN 201821608858U CN 209443316 U CN209443316 U CN 209443316U
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Abstract
The utility model relates to a kind of permeable tile work pavement structures that closely knit asphalt macadam concrete layer is arranged, it from top to bottom successively include permeable tile work surface layer, coarse sand screed-coat, closely knit asphalt macadam concrete layer and graded broken stone layer, the graded broken stone layer is laid on soil matrix, and the drilling being evenly arranged is equipped in the closely knit asphalt macadam concrete layer.Compared with prior art, the utility model is designed reasonably, structure is simple, and by being arranged closely knit asphalt macadam concrete layer, when construction can be used as temporary construction work surface, guarantees that the water permeability of the permeable tile work layer of surface layer is unaffected;Through hole can also be bored when surface construction, to infiltrate rainwater infiltration;Overall structure takes into account intensity, the permeable requirement with construction technology.
Description
Technical field
The utility model relates to pavement structure technical fields, and in particular to a kind of that closely knit asphalt macadam concrete layer is arranged
Permeable tile work pavement structure.
Background technique
With popularizing for sponge city, people are more and more stronger for the consciousness of porous pavement.Permeable tile work road surface is as one
The effective sponge facility of kind, is chiefly used in pavement, walking street, garden path etc. without motor vehicle load road, and have light-duty
The regions such as road, square, the parking lot of load requirement.Traditional permeable tile work pavement structure is mostly surface layer, (screed-coat), rubble
Base, original state soil matrix layer structure, wherein surface layer function be infiltration rainwater, crushed rock base course function be water storage, original state soil matrix is just
In draining;Although meeting the demand of pervious function, due in road structure graded broken stone base it is weak and less in
Heavy-load road is applied.Few certain applications are excessively paid attention to mechanics and are held in the permeable tile work road surface in middle heavily loaded region, Chang Yinwei
The promotion of loading capability, leads to the reduction of itself water permeability, once there is rainstorm weather, it is easy to there is ponding, influences pedestrian
With traffic.In addition, permeable pavement construction technology is simple and crude at this stage, surface layer is often blocked by rubble dust in work progress, thoroughly
Aqueous to can significantly reduce, these problems affect the application of the technology to a certain extent.
Utility model content
The purpose of this utility model is exactly to overcome the problems of the above-mentioned prior art and to provide a kind of intensity good, saturating
The permeable tile work pavement structure of the aqueous good closely knit asphalt macadam concrete layer of setting.
The purpose of this utility model can be achieved through the following technical solutions: a kind of closely knit asphalt macadam concrete of setting
The permeable tile work pavement structure of layer, the pavement structure successively include permeable tile work surface layer, coarse sand screed-coat, closely knit drip from top to bottom
Green crushed stone concrete layer and graded broken stone layer, the graded broken stone layer are laid on soil matrix, the closely knit asphalt macadam coagulation
The drilling being evenly arranged is equipped in soil layer.
The utility model patent by the way that closely knit asphalt macadam concrete layer is arranged, on the one hand due to self-strength and modulus compared with
Height can effectively share more load, reduce rubble weak floor carrying load and corresponding deformation, and asphalt macadam coagulation
Soil layer rigidity is relatively low, can to avoid by it is lower and on there is the case where reflection crack, influence pavement usage;It on the other hand is upper
Layer structure provides more smooth plane, convenient for construction.In addition, the permeable tile work pavement structure is also that dense bitumen road surface changes
Permeable pavement road surface provides a kind of practical and low in cost, construction is simple modification scheme.
Preferably, the closely knit asphalt macadam concrete layer is dense-graded asphalt concrete, and when construction selects as needed
AC or ATB, nominal maximum aggregate size are less than 20mm, and dustability is poor when partial size is excessive;It is current that construction period can be used as road vehicle
Temporary pavement material layer, utmostly to prevent Construction traffic and road cement from blocking the permeable of permeable pavement structure surface
" channel ", the traffic total amount of thickness foundation construction period is within the scope of 15 to 20cm;It can bore and pass through in this layer when surface construction
So as to permeable, aperture, since pitch flexbile base deforms relatively large feature, should not be added broken pinking 2 to 3cm in hole
Stone, and aperture is larger will affect this layer of bearing capacity;The spacing of wells and the distance at hole spacing edge are not less than 3 times of apertures,
It can be specifically designed according to local condition of raining, spacing is smaller to generate the damage such as through crack.
Preferably, the thickness of the graded broken stone layer within the scope of 20 to 40cm, porosity be 35~50%, partial size is 2
To 5cm.
Preferably, the soil matrix is the native compacted lift of element, and the soil compaction degree of the native compacted lift of element is on 90%~95% left side
It is right.
Preferably, the screed-coat is coarse sands layer, and the thickness of the coarse sands layer is within the scope of 2 to 3cm and ballast grain sizes exist
Within the scope of 0.5 to 1cm.
Preferably, brick road face includes the muti-piece high intensity tile work mutually spliced, adjacent two blocks of high-intensitive tile works it
Between have 1 to 2cm permeable gap, the compression strength of the high intensity tile work is greater than or equal to 50MPa and flexural strength is not less than
5Mpa。
Preferably, the mutual composed pattern of tile work can be divided into three classes according to structural behaviour difference, herringbone pattern, parquets pattern
With running bond pattern, more preferably herringbone pattern.
Compared with prior art, the beneficial effects of the utility model are embodied in: the permeable tile work pavement structure, and design is closed
Reason, structure are simple.By the way that closely knit asphalt macadam concrete layer is arranged, the bearing capacity on road surface is significantly improved, while as construction
The current temporary pavement material layer of period road vehicle, utmostly to prevent Construction traffic and road cement from blocking porous pavement
Permeable " channel " of body structure surface;And when last paved surface layer of material, it can punch on it, the rainwater of infiltration is allowed to continue
Lower infiltration, guarantees enough rain penetration abilities, road surface not ponding, below smooth discharge to road surface and in surrounding greenery patches.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model;
Fig. 2 is the graph of pore diameter distribution of the closely knit asphalt macadam concrete layer of the utility model;
Fig. 3 is that permeable tile work surface layer is mated formation form schematic diagram in embodiment 1;
Fig. 4 is the form schematic diagram of mating formation of parquets pattern;
Fig. 5 is the form schematic diagram of mating formation of running bond pattern.
Wherein, 1 is permeable tile work surface layer, and 2 be coarse sand screed-coat, and 3 be closely knit asphalt macadam concrete layer;4 is broken for gradation
Rock layers, 5 be anti-filter geotextiles, and 6 be soil matrix, and 7 be drilling, and 8 be high-intensitive floor tile, and 9 be permeable gap.
Specific embodiment
It elaborates below to the embodiments of the present invention, the present embodiment before being with technical solutions of the utility model
It puts and is implemented, the detailed implementation method and specific operation process are given, but the protection scope of the utility model is unlimited
In following embodiments.
Embodiment 1
A kind of permeable tile work pavement structure that closely knit asphalt macadam concrete layer is set, as shown in Figure 1, including soil matrix 6, grade
With metalling 4, closely knit asphalt macadam concrete layer 3 and permeable tile work surface layer 1, it is equipped between soil matrix 6 and graded broken stone layer 4 anti-
Geotextiles 5 are filtered, coarse sand screed-coat 2, permeable tile work surface layer are equipped between permeable tile work surface layer and closely knit asphalt macadam concrete layer 3
1 is layed on coarse sand screed-coat 2.
Specifically, closely knit asphalt macadam concrete layer 3 is layed on graded broken stone layer 4.Tile work road surface 1 includes mutually splicing
Muti-piece high intensity tile work, have between adjacent two blocks of high-intensitive tile works 1 to 2cm permeable gap 9, the pressure resistance of high-intensitive tile work
Degree is greater than or equal to 50MPa and flexural strength is not less than 5Mpa, as shown in figure 3, the high-intensitive mutually splicing of floor tile 8 in the present embodiment
Pattern be herringbone pattern;As needed, the pattern that high-intensitive floor tile 8 mutually splices can also be parquets pattern (such as Fig. 4 institute
Show) and running bond pattern (as shown in Figure 5).
Closely knit asphalt macadam concrete layer 3 is dense-graded asphalt concrete, and when construction selects AC or ATB as needed, most
Big nominal particle diameter is less than 20mm, and the traffic total amount of thickness foundation construction period is within the scope of 12 to 20cm.Graded broken stone layer 4
Thickness within the scope of 20 to 40cm, porosity 40%, partial size be 2 to 5cm.Soil matrix 6 is the native compacted lift of element, element soil compacted lift 6
Soil matrix be pressed in 93% or so.The thickness of coarse sand screed-coat 2 is within the scope of 2 to 3cm and ballast grain sizes are within the scope of 0.5 to 1cm.
As shown in Fig. 2, drilling 7 can be arranged on closely knit asphalt macadam concrete layer 3, drilling 7 is through entire close when construction
Real asphalt macadam concrete layer 3, drill 7 aperture 2 to 3cm, the spacing of wells is not less than 3 times of apertures with apart from roadside.
Claims (9)
1. a kind of permeable tile work pavement structure that closely knit asphalt macadam concrete layer is arranged, which is characterized in that the pavement structure from
On down successively include permeable tile work surface layer, coarse sand screed-coat, closely knit asphalt macadam concrete layer and graded broken stone layer, it is described
Graded broken stone layer is laid on soil matrix, and the drilling being evenly arranged is equipped in the closely knit asphalt macadam concrete layer.
2. a kind of permeable tile work pavement structure that closely knit asphalt macadam concrete layer is arranged according to claim 1, special
Sign is that the material of the closely knit asphalt macadam concrete layer is dense-graded asphalt concrete, and the closely knit asphalt macadam is mixed
Solidifying the thickness of the layer is 12~20cm.
3. a kind of permeable tile work pavement structure that closely knit asphalt macadam concrete layer is set according to claim 1 or 2,
It is characterized in that, the aperture of the drilling is 2~3cm, and the hole heart of two neighboring drilling is away from not less than 3 times of boring apertures.
4. a kind of permeable tile work pavement structure that closely knit asphalt macadam concrete layer is arranged according to claim 1, special
Sign is that the permeable tile work surface layer is spliced by the high-intensitive floor tile of muti-piece rectangle, adjacent two pieces of high-intensitive floor tiles it
Between be equipped with 1~2cm permeable gap.
5. a kind of permeable tile work pavement structure that closely knit asphalt macadam concrete layer is arranged according to claim 4, special
Sign is that the laying shape of the high intensity floor tile is in herringbone pattern, parquets pattern or running bond pattern.
6. a kind of permeable tile work pavement structure that closely knit asphalt macadam concrete layer is arranged according to claim 1, special
Sign is that the coarse sand screed-coat uses partial size for the rubble of 0.5~1cm, the coarse sand screed-coat with a thickness of 2~3cm.
7. a kind of permeable tile work pavement structure that closely knit asphalt macadam concrete layer is arranged according to claim 1, special
Sign is that the graded broken stone layer uses partial size for the rubble of 2~5cm, the porosity of the graded broken stone layer is 35%~
50%, the graded broken stone layer with a thickness of 20~40cm.
8. a kind of permeable tile work pavement structure that closely knit asphalt macadam concrete layer is arranged according to claim 1, special
Sign is, anti-filter geotextiles are equipped between the graded broken stone layer and soil matrix.
9. a kind of permeable tile work pavement structure that closely knit asphalt macadam concrete layer is arranged according to claim 1, special
Sign is that the soil compaction degree is 90%~95%.
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CN201821608858.6U CN209443316U (en) | 2018-09-30 | 2018-09-30 | A kind of permeable tile work pavement structure that closely knit asphalt macadam concrete layer is set |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110904946B (en) * | 2019-12-11 | 2021-11-16 | 安徽三联学院 | Foundation reinforcing method |
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2018
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110904946B (en) * | 2019-12-11 | 2021-11-16 | 安徽三联学院 | Foundation reinforcing method |
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