CN106677003A - Pervious concrete structure and preparation method thereof - Google Patents
Pervious concrete structure and preparation method thereof Download PDFInfo
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- CN106677003A CN106677003A CN201611073383.0A CN201611073383A CN106677003A CN 106677003 A CN106677003 A CN 106677003A CN 201611073383 A CN201611073383 A CN 201611073383A CN 106677003 A CN106677003 A CN 106677003A
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- Prior art keywords
- pervious concrete
- concrete
- layer
- road
- pervious
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Classifications
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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
- E01C11/225—Paving specially adapted for through-the-surfacing drainage, e.g. perforated, porous; Preformed paving elements comprising, or adapted to form, passageways for carrying off drainage
- E01C11/226—Coherent pavings
Abstract
The invention discloses a pervious concrete structure and a preparation method thereof. The pervious concrete structure comprises a base layer structure and a framework structure; the base layer structure is located on the bottommost layer, and the framework structure is arranged on the base layer structure and comprises a gravel layer, a sand filtering layer, a large-grain-size concrete layer and a small-grain-size concrete layer which are arranged from bottom to top in sequence. The pervious concrete structure adopts a single-grain ultra-coarse aggregate as a framework, the surfaces of coarse aggregate grains are wrapped with cement paste or a thin mortar layer added with a small amount of fine aggregate, the cement paste or the thin mortar layer serves as an adhesion layer among the aggregate grains, and a porous concrete material of a pore structure is formed and is of a honeycomb structure. The pervious concrete structure has the advantages of being high in bearing capacity and permeable rate, capable of collecting dust, reducing noise and preventing and treating river pollution, low in slump, high in freezing-thawing resistance and the like.
Description
Technical field
The present invention relates to civil engineering materials field, particularly relates to a kind of pervious concrete structure and its preparation side
Method.
Background technology
In building material field, normal concrete ground is one of contemporary topmost civil engineering material, it be by
Binder Materials, granular aggregat（Also referred to as aggregate）, water and the additive for adding if necessary and admixture match somebody with somebody by a certain percentage
System, Jing uniform stirrings, closely knit molding, a kind of artificial stone material that maintenance is hardened and formed.Concrete has abundant raw material, and price is low
It is honest and clean, the characteristics of simple production process, thus make its consumption increasing, while concrete also has comprcssive strength high, durability
Well, the features such as strength grade wide ranges.These features make its use range quite varied, not only make in various civil engineerings
With, be exactly the neighborhood concrete such as shipbuilding industry, mechanical industry, the exploitation of ocean and geothermal engineering be also important material.But to the greatest extent
Using extensively, normal concrete there is also following many shortcomings to pipe：1st, it is waterproof, will using road drainage after normal concrete
By underground sewer, rainwater is processed directly as sewage during rainfall, has blocked supplement of the rainwater to subsoil water, is unfavorable for ground
The generation of lower water.2nd, rainwater, sewage easily deposit on road surface, dissolve in and have a strong impact on after urban pollutant urban health.3rd, hard road
Face can absorb, store and reflect the heat of the sun, raise ground mean temperature, aggravate the formation of city thermal conductivity effect, Yi Yin
Environment and ecological negative effect are played, is unfavorable for ecological balance and environmental conservation.4th, traditional closely knit road surfaces, tyre noise is big.Car
During running at high speed, air can be pressed between tire and road surface when tire is rolled into, treat that tire is rolled across, air again can be swollen rapidly
Swollen and send noise, rainy day this noise is particularly evident, have impact on the life and work of resident.So invention design is a kind of new
Concrete have the drawback that what is be highly desirable to eliminating conventional concrete.
The content of the invention
In view of the foregoing, the invention provides a kind of pervious concrete structure and preparation method thereof, this structure is using single
Grain pole coarse aggregate is wrapped in the surface of coarse aggregate granule as the mortar thin layer of skeleton, cement paste or a small amount of fine aggregate of addition,
As the glued layer between particles of aggregates, the porous concrete material of a pore structure is formed, form alveolate texture.
To reach above-mentioned purpose, the technical solution adopted for the present invention to solve the technical problems is：
A kind of pervious concrete structure, is porous honeycomb structure, including base layer structure and framing structure；Described base layer structure
Positioned at the bottom, framing structure is located at the top of base layer structure；Described framing structure includes the sand for setting gradually from the bottom to top
Rock layers, sand filter blanket, big particle diameter concrete layer and small particle concrete layer.
Its feature further is as follows：
Described framing structure top can also be provided with sealant.
The invention provides the method for preparing a kind of above-mentioned pervious concrete structure, comprises the steps：
（1）Base treatment：First groove design in road is reached into calibrated altitude, road camber is then flattened and scraped with land leveller, and reserved
Amount of compaction, finally carries out compaction in layers with heavy vibration roller；
（2）The construction of sand-gravel cushion：Complete step（1）Afterwards filling material is carried out using excavator, dump truck is by aggregate transporting
To where carrying out after base treatment, paved with bull-dozer, pressed with road roller again after finally being flattened with land leveller
It is real；
（3）The making of pervious concrete：Complete step（1）、（2）The same of basic water permeable concrete and surface layer pervious concrete is carried out afterwards
When pave, wherein basic water permeable concrete is first by manually slightly being shakeout, then vibrated with plate vibrator, it is prepared by surface layer pervious concrete
Then middle elder generation is ensureing to be paved with rubbing machine in the state of continuous filler by manually slightly shakeouing pervious concrete, spreads out
Paving number of times is no less than 3 times, rubbing machine and receives face machine and need to synchronously carry out with the compacting that paves in this step；
（4）Road surface joint-cutting, joint filling：Complete step（3）Afterwards road pavement is conserved, and 7 days road pavements of maintenance carry out joint-cutting, fill out
Seam, using gap filler expansion joint is filled；
（5）The spraying of sealer：After completion of the above steps the surface of pervious concrete is cleaned using jetting machine,
Spraying sealer can be carried out after dry tack free 24h, current can be used after pervious concrete intensity meets the requirements.
Its feature further is as follows：
Pave height of the described basic water permeable concrete when paving paves height 10mm higher than design.
Described gap filler is polyurethane low modulus caulked joint ointment or thiorubber. class caulking compounds.
Described expansion joint requires：Contracting kerf spacing≤6m, stitches wide 5~8mm, and seam is deep not less than the 1/3 of Concrete Thick, expansion joint (E.J.)
Spacing≤18m, stitches wide 15~20mm.
The making step of described pervious concrete needs to be stirred pervious concrete before carrying out, and described stirring is
Rubble and liquid adjuvants are placed in blender and are stirred in advance, cement, Booster are added after surface of material is moistened, is stablized
Agent and dispersant, the workability for stirring one minute backsight mixture suitably adds water, till mixture reaches requirement.
Due to the utilization of above-mentioned technical proposal, the present invention has compared with prior art following beneficial effect：
1st, high-bearing capacity.Globality high-mechanic pervious surface pavement system, its resistance to settling can be better than general permeable brick flooring system
System, while this pavement system also has the ability that opposing soil freezing heave produces destruction to rigid pavement；
2nd, high permeability rate.High-mechanic pervious surface possesses 15%~25% hole, and the permeable speed of concrete topping reaches 270L/
M2/min, significantly larger than rate of discharge of the rainfall of maximum under classic drainage system；Increase city porous, ventilative face
Product, strengthens inside concrete moisture content and earth's surface and the heat exchange of air, effectively adjusts urban climate, reduces surface temperature, has
Beneficial to alleviation city " heat island phenomenon "；Rainy day prevents surface gathered water and night pavement reflecting, and winter is not in black ice, improves
Vehicle, the current comfortableness of pedestrian and safety；
3rd, dust suction noise reduction and river pollution is prevented and treated.15%~25% macrovoid, adsorption is served to depositing dust, and is reduced
The noise that vehicle traveling is produced；
4th, slump is low.Slump height is usually 0~2cm；
5th, freeze-thaw resistance is good.Jing test in laboratory, test specimen mass loss is minimum Jing after 50 freeze-thaw cycle frequency temperatures, and intensity is damaged
Mistake rate is 11%.
Description of the drawings
Fig. 1 is a kind of structural representation of pervious concrete structure in the present invention.
1, base layer structure 2, sand stone layer 3, sand filter blanket 4, big particle diameter concrete layer 5, small particle concrete layer 6, sealing in figure
Layer.
Specific embodiment
In order that those skilled in the art more fully understand the technical scheme in the application, below in conjunction with the application reality
The accompanying drawing in example is applied, the technical scheme in the embodiment of the present application is clearly and completely described, it is clear that described enforcement
Example is only some embodiments of the present application, rather than the embodiment of whole.Based on the embodiment in the application, this area is common
The every other embodiment that technical staff is obtained under the premise of creative work is not made, should all belong to the application protection
Scope：
A kind of pervious concrete structure as shown in Figure 1, is porous honeycomb structure, including base layer structure 1 and framing structure；Institute
The base layer structure 1 stated is located at the bottom, and framing structure is located at the top of base layer structure 1；Described framing structure include by down to
On the sand stone layer 2, sand filter blanket 3, big particle diameter concrete layer 4 and the small particle concrete layer 5 that set gradually.
Its feature further is as follows：
Described framing structure top can also be provided with sealant 6.
The invention provides the method for preparing a kind of above-mentioned pervious concrete structure, comprises the steps：
（1）Base treatment：First groove design in road is reached into calibrated altitude, road camber is then flattened and scraped with land leveller, and reserved
Amount of compaction, finally carries out compaction in layers with heavy vibration roller；
（2）The construction of sand-gravel cushion：Complete step（1）Afterwards filling material is carried out using excavator, dump truck is by aggregate transporting
To where carrying out after base treatment, paved with bull-dozer, pressed with road roller again after finally being flattened with land leveller
It is real；
（3）The making of pervious concrete：Complete step（1）、（2）The same of basic water permeable concrete and surface layer pervious concrete is carried out afterwards
When pave, wherein basic water permeable concrete is first by manually slightly being shakeout, then vibrated with plate vibrator, it is prepared by surface layer pervious concrete
Then middle elder generation is ensureing to be paved with rubbing machine in the state of continuous filler by manually slightly shakeouing pervious concrete, spreads out
Paving number of times is no less than 3 times, rubbing machine and receives face machine and need to synchronously carry out with the compacting that paves in this step；
（4）Road surface joint-cutting, joint filling：Complete step（3）Afterwards road pavement is conserved, and 7 days road pavements of maintenance carry out joint-cutting, fill out
Seam, using gap filler expansion joint is filled；
（5）The spraying of sealer：After completion of the above steps the surface of pervious concrete is cleaned using jetting machine,
Spraying sealer can be carried out after dry tack free 24h, current can be used after pervious concrete intensity meets the requirements.
Its feature further is as follows：
Pave height of the described basic water permeable concrete when paving paves height 10mm higher than design.
Described gap filler is polyurethane low modulus caulked joint ointment or thiorubber. class caulking compounds.
Described expansion joint requires：Contracting kerf spacing≤6m, stitches wide 5~8mm, and seam is deep not less than the 1/3 of Concrete Thick, expansion joint (E.J.)
Spacing≤18m, stitches wide 15~20mm.
The making step of described pervious concrete needs to be stirred pervious concrete before carrying out, and described stirring is
Rubble and liquid adjuvants are placed in blender and are stirred in advance, cement, Booster are added after surface of material is moistened, is stablized
Agent and dispersant, the workability for stirring one minute backsight mixture suitably adds water, till mixture reaches requirement.
Above-described embodiment technology design only to illustrate the invention and feature, its object is to allow person skilled in the art
Scholar will appreciate that present disclosure and be carried out, can not be limited the scope of the invention with this, all according to the present invention
Equivalence changes or modification that spirit is made, all should cover within the scope of the present invention.
Claims (7)
1. a kind of pervious concrete structure, is porous honeycomb structure, including base layer structure and framing structure；It is characterized in that：
Described base layer structure is located at the bottom, and framing structure is located at the top of base layer structure；Described framing structure include by down to
On the sand stone layer, sand filter blanket, big particle diameter concrete layer and the small particle concrete layer that set gradually.
2. a kind of pervious concrete structure according to claim 1, it is characterised in that：May be used also described framing structure top
It is provided with sealant.
3. the method for preparing a kind of pervious concrete structure described in claim 1, it is characterised in that：Comprise the steps：
Base treatment：First groove design in road is reached into calibrated altitude, road camber, and reserved compacting are then flattened and scraped with land leveller
Amount, finally carries out compaction in layers with heavy vibration roller；
The construction of sand-gravel cushion：Complete step（1）Afterwards filling material is carried out using excavator, dump truck is by aggregate transporting to entering
Where going after base treatment, paved with bull-dozer, finally with being compacted with road roller again after land leveller leveling；
The making of pervious concrete：Complete step（1）、（2）After while carry out basic water permeable concrete and surface layer pervious concrete
Pave, wherein basic water permeable concrete is first by manually slightly being shakeout, then vibrated with plate vibrator, in prepared by surface layer pervious concrete
First by manually slightly shakeouing pervious concrete, then ensureing to be paved with rubbing machine in the state of continuous filler, paving
Number of times is no less than 3 times, rubbing machine and receives face machine and synchronously carries out with the compacting need that pave in this step；
Road surface joint-cutting, joint filling：Complete step（3）Afterwards road pavement is conserved, and 7 days road pavements of maintenance carry out joint-cutting, joint filling, make
Expansion joint is filled with gap filler；
The spraying of sealer：After completion of the above steps the surface of pervious concrete is cleaned using jetting machine, table
Face carries out spraying sealer by being dried after 24h, after pervious concrete intensity meets the requirements by pass through use.
It is 4. according to claim 3 to make a kind of method of pervious concrete structure, it is characterised in that：Described basis is thoroughly
Pave height of the water concrete when paving paves height 10mm higher than design.
It is 5. according to claim 3 to make a kind of method of pervious concrete structure, it is characterised in that：Described gap filler
For polyurethane low modulus caulked joint ointment or thiorubber. class caulking compounds.
It is 6. according to claim 3 to make a kind of method of pervious concrete structure, it is characterised in that：Described expansion joint
Require：Contracting kerf spacing≤6m, stitches wide 5~8mm, and seam is deep not less than the 1/3 of Concrete Thick, expansion joint (E.J.) spacing≤18m, stitch it is wide by 15~
20mm。
It is 7. according to claim 3 to make a kind of method of pervious concrete structure, it is characterised in that：Described is permeable mixed
Coagulating before the making step of soil is carried out needs to be stirred pervious concrete, and described stirring is to be placed on rubble and liquid adjuvants
Stir in advance in blender, cement, Booster, stabilizer and dispersant are added after surface of material is moistened, stir one point
The workability of clock backsight mixture suitably adds water, till mixture reaches requirement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611073383.0A CN106677003A (en) | 2016-11-29 | 2016-11-29 | Pervious concrete structure and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611073383.0A CN106677003A (en) | 2016-11-29 | 2016-11-29 | Pervious concrete structure and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106677003A true CN106677003A (en) | 2017-05-17 |
Family
ID=58866968
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611073383.0A Pending CN106677003A (en) | 2016-11-29 | 2016-11-29 | Pervious concrete structure and preparation method thereof |
Country Status (1)
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| CN (1) | CN106677003A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109629348A (en) * | 2019-01-19 | 2019-04-16 | 成都诺比侃科技有限公司 | A kind of Along Railway roadblock alarm blocking apparatus |
| CN111041926A (en) * | 2019-11-21 | 2020-04-21 | 江苏永联精筑建设集团有限公司 | Construction method of drainage concrete pavement |
| CN112064439A (en) * | 2020-09-04 | 2020-12-11 | 宋闯 | High-stability anti-collapse cement pavement construction method |
| CN114262193A (en) * | 2021-12-30 | 2022-04-01 | 尧柏特种水泥技术研发有限公司 | Concrete cementing aggregate, preparation method and application thereof |
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| CN101158141A (en) * | 2007-11-01 | 2008-04-09 | 中冶宝钢技术服务有限公司 | Steel slag double-layer permeable pavement and production method thereof |
| CN203866663U (en) * | 2014-05-22 | 2014-10-08 | 海南通程建筑工程有限公司 | Porous pavement structure |
| CN105256692A (en) * | 2015-09-10 | 2016-01-20 | 重庆建工住宅建设有限公司 | Color and pervious concrete pavement structure and construction technology therefor |
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2016
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| CN101158141A (en) * | 2007-11-01 | 2008-04-09 | 中冶宝钢技术服务有限公司 | Steel slag double-layer permeable pavement and production method thereof |
| CN203866663U (en) * | 2014-05-22 | 2014-10-08 | 海南通程建筑工程有限公司 | Porous pavement structure |
| CN105256692A (en) * | 2015-09-10 | 2016-01-20 | 重庆建工住宅建设有限公司 | Color and pervious concrete pavement structure and construction technology therefor |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109629348A (en) * | 2019-01-19 | 2019-04-16 | 成都诺比侃科技有限公司 | A kind of Along Railway roadblock alarm blocking apparatus |
| CN111041926A (en) * | 2019-11-21 | 2020-04-21 | 江苏永联精筑建设集团有限公司 | Construction method of drainage concrete pavement |
| CN112064439A (en) * | 2020-09-04 | 2020-12-11 | 宋闯 | High-stability anti-collapse cement pavement construction method |
| CN114262193A (en) * | 2021-12-30 | 2022-04-01 | 尧柏特种水泥技术研发有限公司 | Concrete cementing aggregate, preparation method and application thereof |
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Application publication date: 20170517 |