CN206828912U - A kind of full pervious concrete pavement structure of regeneration aggregate - Google Patents
A kind of full pervious concrete pavement structure of regeneration aggregate Download PDFInfo
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- CN206828912U CN206828912U CN201720748590.5U CN201720748590U CN206828912U CN 206828912 U CN206828912 U CN 206828912U CN 201720748590 U CN201720748590 U CN 201720748590U CN 206828912 U CN206828912 U CN 206828912U
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- permeable
- pervious concrete
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- regeneration aggregate
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Abstract
The utility model discloses a kind of full pervious concrete pavement structure of regeneration aggregate, including lay from the bottom to top permeable bed course, porous base course, permeable surface layer, permeable cap layer；The permeable bed course uses natural rubble；The porous base course and permeable surface layer use regeneration aggregate pervious concrete；The permeable cap layer uses the pervious concrete of natural aggregate configuration.The utility model pavement structure has preferable water penetration and wearability.
Description
Technical field
The utility model belongs to concrete pavement construction technology, and in particular to a kind of full pervious concrete pavement of regeneration aggregate
Structure.
Background technology
At present, the pavement structure of large area lacks gas permeability, water penetration in city, is brought to urban ecological environment many
Negative effect, it mainly can not permeate earth's surface including rainwater and be reduced to underground water, cause level of ground water to reduce；Rainwater can only pass through
Pumping equipment flows into rivers,lakes and seas, increases the burden of pumping equipment；Exchanging for heat and humidity can not be carried out with air, produced
" heat island phenomenon ".Moreover, when surface gathered water, road surface becomes sliding and easily reflective at night, so as to cause traffic accidents,
Threaten the safety of people.To solve the above problems, there is water-permeable cement concrete road surface, asphalt paving and permeable
The pavement structures such as brick paving, wherein, when the aggregate on water-permeable cement concrete road surface uses more than 30% regeneration aggregate, it is
Regeneration aggregate water-permeable cement concrete road surface.It not only has permeable breathable, additionally it is possible to economizes on resources, turns waste into wealth, reduces
Energy consumption, energy-saving and emission-reduction.But because the anti-wear performance of regeneration aggregate pervious concrete can not meet the requirement of pavement concrete, limitation
The popularization and application of regeneration aggregate pervious concrete pavement structure.Therefore, the regeneration aggregate pervious concrete of superior performance is studied
Pavement structure simultaneously is allowed to be applied to porous pavement, square and pavement, and the improvement for city entirety ecological environment has great
Realistic meaning.
Utility model content
The utility model purpose is to provide the preferable full pervious concrete road pavement of regeneration aggregate of a kind of water penetration and wearability
Face structure.
Realize technical scheme that the utility model purpose uses for：
The full pervious concrete pavement structure of regeneration aggregate that utility model provides, including the permeable pad laid from the bottom to top
Layer, porous base course, permeable surface layer, permeable cap layer；
The permeable bed course uses natural rubble；
The porous base course and permeable surface layer use regeneration aggregate pervious concrete；
The permeable cap layer uses the pervious concrete of natural aggregate configuration.
The maximum aggregate size of the permeable cap layer is less than 9.5mm, and laying depth is 30~60mm.
The thickness of the permeable bed course is 100~200mm；The maximum aggregate size of the porous base course is less than 16mm, paving
If thickness is not less than 150mm；The maximum aggregate size of the permeable surface layer is less than 16.0mm, and laying depth is 90~120mm, and
Coefficient of permeability is more than the permeable cap layer.
The beneficial effects of the utility model
1st, because the anti-wear performance of regeneration aggregate pervious concrete can not meet the requirement of pavement concrete, therefore in Regenerated Bone
Expect to increase by one layer of permeable cap layer on permeable surface layer.Permeable cap layer uses the pervious concrete of natural aggregate configuration, has good
Water penetration, aeration, concrete can be soon permeated, and can make permeable cap layer that there is non-deformability, preferable temperature is steady
Qualitative, good flatness；Both its water penetration, aeration, and can increase road surface wearability can guarantee that.
2nd, road surface can absorb solar radiant heat using pervious concrete, reduces " tropical island effect "；When raining, rainwater can be quick
Into underground, reduce pumping equipment burden, keep the water resource ecological balance；Road surface is set to improve people's safety without ponding；It is logical
The characteristic of its water-permeable and air permeable is crossed, is advantageous to the existence of trees and ground flora, does not destroy ecological environment.
The 3rd, permeable bed course is set, in underground water, area can play impermeable role higher, in frost heave area deeper, can play anti-
Frost heave action.Also loaded filter can be used as, prevents that soil matrix particle reverse osmosis enters basic unit under water function, blocks up so as to avoid basic unit space
Plug and soil matrix are lost in.In addition, can further spread the load that top transmission comes, reduce soil pressure and deformation that soil matrix is born,
Alleviate the destruction of weak soil matrix after base material soaks.
4th, porous base course and permeable surface layer are mixed using construction refuse regenerated aggregate, make full use of regeneration aggregate,
Building waste, turn waste into wealth, reduce energy consumption, energy-saving and emission-reduction.
The technical solution of the utility model is further illustrated below in conjunction with the accompanying drawings.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
See the full pervious concrete pavement structure of regeneration aggregate that Fig. 1, utility model are provided, including be laid on soil matrix 1, by
Under the permeable bed course 2 of supreme laying, porous base course 3, permeable surface layer 4, permeable cap layer 5；The permeable bed course 2 is using natural broken
Stone, its thickness are 100~200mm；The porous base course 3 uses regeneration aggregate pervious concrete, and its maximum aggregate size is less than
16mm, laying depth are not less than 150mm；The permeable surface layer 4 is small using regeneration aggregate pervious concrete, its maximum aggregate size
In 16.0mm, laying depth is 90~120mm, and coefficient of permeability is more than the permeable cap layer；The permeable cap layer 5 uses quality
The water-permeable cement concrete of the natural aggregates such as hard, durable, clean granite configuration, its maximum aggregate size are less than 9.5mm,
Laying depth is 30~60mm.
In the pavement structure, porous base course 3 and permeable surface layer 4 are mixed using construction refuse regenerated aggregate, its
Rubbish is mainly derived from building sandstone, brick and tile or concrete etc., and it is mixed by a certain percentage with water or lime or cement
The New Building Materials formed after working process；Its preparation technology is as follows：Raw material plan → coarse-fine aggregate feeds intake, and uses water
50% mix → cement and admixture are put into → stirs 30s → remaining mixing water and puts into and add additive → stirring 60s → goes out
Material；Energy consumption can be saved using regeneration aggregate, reduce cost, avoid polluting environment.
The construction method of above-mentioned pavement structure, comprises the following steps：
1st, roadbed is excavated according to design requirement, to the rubbish on the surface of soil matrix 1, fertile soil is cleared up and flattens compacting, pressure
Real coefficient is more than 95%.
2nd, permeable bed course 2 is laid；Permeable bed course uses natural rubble, and lays uniform ground, laying depth be 100 ~
200mm, compacting factor are more than 95%；It acts on the temperature and humidity situation that can improve soil matrix, and reduces to road structure surface layer
Influence；In underground water, area can play impermeable role higher, in frost heave area deeper, can play anti-freeze expansion effect；Can conduct
Loaded filter, prevent that soil matrix particle reverse osmosis enters basic unit under water function, basic unit space blocks and soil matrix is lost in so as to avoid；Separately
Outside, the load that top transmission comes can further be spread, reduces soil pressure and deformation that soil matrix is born, alleviate base material immersion
The destruction of weak soil matrix afterwards.
3rd, porous base course 3 is laid；The load to be got off by upper structure sheaf transmission is primarily subjected to, the load for bearing road surface is uniform
Spread and be distributed on permeable bed course and soil matrix in ground；It mainly uses regeneration aggregate pervious concrete, and aggregate uses maximum particle diameter
Regeneration aggregate less than 16.0mm, gel material content are generally 9.5% ~ 11%, and laying depth is not less than 150mm；Then carry out
Compacting, compacted density are more than 93%.
4th, permeable surface layer 4 is laid；It is less than using containing renewable material of building waste pervious concrete, its maximum aggregate size
16.0mm, and larger porosity is made, laying depth is 90~120mm, this layer of coefficient of permeability is more than permeable cap layer, more sharp
In draining, prevent the phenomenon of with the passing of time plug-hole from occurring, concrete grade is not less than C20.
5th, permeable cap layer 5 is laid；Because regeneration aggregate contains the weaker particle composition such as mortar block, particulates' properties are uneven
It is even, should not be used in layer above road surface, therefore increase by one layer of permeable cap layer 5 on permeable surface layer 4, using suitable depth it is hard,
The pervious concrete of durable non-renewable aggregate configuration, its maximum aggregate size are less than 9.5mm, increase the wear-resisting of pavement structure
Property, concrete grade is not less than C20；In order to ensure that permeable surface layer and permeable cap layer are combined into one, permeable cap layer 5 must be saturating
Laid before the initial set of water surface layer 4, and permeable cap layer and the interval time of permeable topping laying must not exceed 1 hour.
6th, maintenance and joint-cutting；After permeable cap layer pours, carry out watering maintenance and be no less than 14 days, and use covered rearing with plastic film；
Joint-cutting, permeable cap layer contracting seam spacing 3m~6m, width are carried out after permeable cap layer concrete strength reaches the 30% of design strength
3mm~8mm, depth is the 1/3~1/2 of permeable surface layer and permeable cap layer gross thickness, and the thickness for being switched to permeable surface layer is more than
20mm, fill out embedding expanding material；Expansion joint (E.J.), expansion joint (E.J.) spacing 30m~50m, width 10mm are respectively provided with permeable surface layer and permeable cap layer
~20mm, fill out embedding expanding material.
Pervious concrete pavement needs to do periodic maintenance after being delivered for use, after its pervious function weakens, using 5MPa~
20MPa water under high pressures wash away hole, cleaning filling debris, recover its pervious function；The full pervious concrete pavement structure of regeneration aggregate
Applied to the regions such as square, shopping mall, pavement, parking lot or place, municipal drainage facility burden can be effectively reduced, reduces ground
Area water, both can guarantee that its water penetration, gas permeability, and and can increases the wearability of pavement structure.
Claims (3)
1. a kind of full pervious concrete pavement structure of regeneration aggregate, it is characterized in that including the permeable bed course, thoroughly laid from the bottom to top
Water-base, permeable surface layer, permeable cap layer；
The permeable bed course uses natural rubble；
The porous base course and permeable surface layer use regeneration aggregate pervious concrete；
The permeable cap layer uses the pervious concrete of natural aggregate configuration.
2. the full pervious concrete pavement structure of regeneration aggregate according to claim 1, it is characterized in that the permeable cap layer
Maximum aggregate size is less than 9.5mm, and laying depth is 30~60mm.
3. the full pervious concrete pavement structure of regeneration aggregate according to claim 1 or 2, it is characterized in that the permeable bed course
Thickness be 100~200mm；The maximum aggregate size of the porous base course is less than 16mm, and laying depth is not less than 150mm；Institute
The maximum aggregate size for stating permeable surface layer is less than 16.0mm, and laying depth is 90~120mm, and coefficient of permeability is more than described permeable
Cap layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720748590.5U CN206828912U (en) | 2017-06-26 | 2017-06-26 | A kind of full pervious concrete pavement structure of regeneration aggregate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720748590.5U CN206828912U (en) | 2017-06-26 | 2017-06-26 | A kind of full pervious concrete pavement structure of regeneration aggregate |
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| Publication Number | Publication Date |
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| CN206828912U true CN206828912U (en) | 2018-01-02 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107034767A (en) * | 2017-06-26 | 2017-08-11 | 湖南顺天建设集团有限公司 | A kind of full pervious concrete pavement structure of regeneration aggregate and its construction method |
| CN114508019A (en) * | 2022-03-23 | 2022-05-17 | 长安大学 | Urban tunnel drainage system based on sponge city idea |
-
2017
- 2017-06-26 CN CN201720748590.5U patent/CN206828912U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107034767A (en) * | 2017-06-26 | 2017-08-11 | 湖南顺天建设集团有限公司 | A kind of full pervious concrete pavement structure of regeneration aggregate and its construction method |
| CN114508019A (en) * | 2022-03-23 | 2022-05-17 | 长安大学 | Urban tunnel drainage system based on sponge city idea |
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