CN105714645A - Construction method of permeable concrete pavements - Google Patents
Construction method of permeable concrete pavements Download PDFInfo
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- CN105714645A CN105714645A CN201410799448.4A CN201410799448A CN105714645A CN 105714645 A CN105714645 A CN 105714645A CN 201410799448 A CN201410799448 A CN 201410799448A CN 105714645 A CN105714645 A CN 105714645A
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Abstract
The invention provides a construction method of permeable concrete pavements. The construction method includes milling and planing hardened pavements with a certain thickness on existing hardened pavement layers; drilling the milled and planed pavements; placing drain ducts in the drilled holes; additionally mounting solid permeable covers on the drain ducts, and then paving permeable pavement materials. By the construction method, the existing hardened pavements can be modified rapidly and effectively with structural strength being unaffected. The construction method has the advantages of simple steps, good convenience in modification, low construction cost, good permeable effect and the like.
Description
Technical field
The invention belongs to field of engineering technology, especially relate to the construction method on a kind of water permeable concrete road surface.
Background technology
The road surface in China's majority city mostly adopts the materials such as fluid-tight concrete, Colophonium or marble to lay.Including footpath, cycle track, rural road, open parking ground, garden, lane, street and public square etc..Although hard surface is neatly durable, but its disadvantage is waterproof.
Road surface is waterproof, allows for the precipitation supply to subsoil water and is blocked completely.On the one hand, relying on subsoil water as the city of drinking water source, the level of ground water of decline can be made to be difficult to go up.Meanwhile, rainwater flows into drainage pipeline excretion from road surface, makes city become the water-deficient area that earth's surface dries, and increases the weight of city raised dust and pollutes.It addition, also very big difficulty can be brought because earth's surface dries to urban afforestation.
On the other hand, when precipitation is bigger, rain drainage is not smooth, will form hydrops situation.Rainwater deposits on road surface, can cause traffic jam on the one hand, increase the weight of the pollution of automotive emission；On the other hand, during rainwater crossing current, also can dissolve in substantial amounts of pollutant, such as the heavy metal of motor vehicle emission, the wearer of tire, house refuse, pesticide that the dust in construction site, chemical toxic thing, meadow, city are sprayed etc..These rainwater are directly discharged in river can pollute through pipeline.Additionally, due to the increasing of hard surface, the natural environment such as greenery patches, water body reduces accordingly, further enhances tropical island effect.
Summary of the invention
It is an object of the invention to provide a kind of construction method that existing hard surface is converted to water permeable concrete road surface, it is possible to conveniently promote the permeable effect of existing hard surface.
For solving above-mentioned technical problem, the technical solution used in the present invention is: the construction method on a kind of water permeable concrete road surface, including:
A. at the existing hard surface certain thickness hard surface of layer milling；
B. hole in the road surface after milling；
C. in the hole being drilled, place hydrophobic conduit；
D. on hydrophobic conduit, install the permeable lid of solid additional；
E. mat formation porous pavement material.
Further, the construction method on described water permeable concrete road surface after step, also includes before step B: clear up smooth by the road surface after milling.
Further, the construction method on described water permeable concrete road surface also includes after step E: smooth and rolling road surface molding.
Further, described road surface drilling depth to reach below road structure layer.
Further, described boring tends to vertical road surface.
Further, filter material, insulation material and drainage material are placed in described hydrophobic conduit.
Further, the hydrophobic conduit of described placement is socket joint pipe of cement.
Further, the construction method on described water permeable concrete road surface also includes after step c:
Gap tolerance between described boring and hydrophobic conduit is carried out cementation of fissures process.
Further, the hydrophobic conduit placed in described boring can be a joint or the suit pipe fitting of more piece composition.
Further, described hydrophobic conduit diameter is 20cm-40cm,
Further, described existing hard surface layer milling thickness is 3cm-15cm.
The present invention has the advantage that and has the benefit effect that the above-mentioned skill scheme of employing, it is possible on existing road surface, fast, effectively transform hard surface.Meanwhile, without influence on the structural strength on existing road surface.It addition, this method to have step simple, transformation is convenient, and construction cost is low, the permeable advantage such as effective.
Accompanying drawing explanation
Fig. 1 is road surface structure vertical generalized section after laying pervious concrete
Fig. 2 is the schematic top plan view after former cement concrete pavement perforate.
In figure:
1, porous pavement material 2, base course 3, hydrophobic conduit
4, the permeable lid 5 of solid, roadbed lower floor
Detailed description of the invention
In order to be better understood from the present invention, below in conjunction with specific embodiments and the drawings, the present invention is conducted further description.
Shown in Fig. 1 and Fig. 2, as can be seen from Figure, at original hard surface layer milling certain thickness.Holed on the road surface of milling by boring machine, in hole, be provided with hydrophobic conduit.Road surface drilling depth reaches below road structure layer, and boring is in Chinese character pin-shaped arrangement.
Embodiment 1
The embodiment of the present invention is implemented on the hard surface of drought major urban arterial highway.
First, existing hard surface layer milling thickness is 5cm；
Secondly, holing in the road surface after milling, diameter 20cm, boring is Chinese character pin-shaped arrangement, degree of depth 200cm, line-spacing 50cm；
Again, in the hole being drilled, place a hydrophobic conduit of joint, inside hydrophobic conduit, place the fine sand of 40 order-80 orders；
Again, after installing the permeable lid of solid on hydrophobic conduit additional, and so as to the permeable lid of solid then mat formation water permeable concrete material parallel with the road surface of milling；
Finally, smooth, rolling road surface molding.
The construction method on the water permeable concrete road surface that the present embodiment provides, it is adaptable to use on the hard surface of major urban arterial highway and bypass.Designed drilling depth and unit number, it is possible to fully meet hydrops on hard surface and penetrate into the needs of underground in time, and moisture is not easily by rapid evaporation such that it is able to effectively accumulate rainwater.Rainwater tentatively can be filtered in hydrophobic conduit, it is ensured that subsoil water will not be contaminated, simultaneously without the intensity affecting hard surface.
Embodiment 2
The embodiment of the present invention is implemented on the hardening of cement road surface of area of heavy rainfull major urban arterial highway.
First, existing hard surface layer milling thickness is 10cm；
Secondly, holing in the road surface after milling, bore diameter is 30cm, can be Chinese character pin-shaped arrangement, degree of depth 250cm, line-spacing 75cm；
Again, in the hole being drilled, hydrophobic conduit is placed；
Again, the fine sand of drainage material surfactant and 40 order-80 orders is placed in hydrophobic conduit；
Again, after hydrophobic conduit installs additional the permeable lid of solid, and so as to the permeable lid of solid then mat formation water permeable concrete material parallel with the road surface of milling；
Finally, smooth-riding surface, rolling road surface molding.
The construction method on the water permeable concrete road surface that the present embodiment provides, is comparatively applicable to use on the hard surface of southern rainy regions.Designed drilling depth and unit number can fully meet on hard surface hydrops rapid osmotic to the needs of underground.And in conduit, place drainage material, it is possible to improve the hydrophobic usefulness in road surface further, simultaneously without the intensity affecting hard surface.
Embodiment 3
The embodiment of the present invention is implemented on the cold district major urban arterial highway new pavement that precipitation is bigger.
First, existing hard surface layer milling thickness is 15cm；
Secondly, hole in multiple some position, the road surface determined, bore diameter 40cm, in Chinese character pin-shaped arrangement, degree of depth 300cm, line-spacing 100cm；
Again, in the hole being drilled, hydrophobic conduit is placed；
Again, drainage material surfactant and expanded perlite are placed in hydrophobic conduit；
Again, after hydrophobic conduit installs additional the permeable lid of solid, and so as to the permeable lid of solid then mat formation water permeable concrete material parallel with the road surface of milling；
Finally, smooth-riding surface, rolling road surface molding.
Described solid water permeable concrete lid can be produced by factory's water permeable concrete production method disclosed in Chinese patent CN101148339.In order to increase the load bearing stength of water permeable concrete lid, it is possible in the production process of water permeable concrete lid, in mould, add reinforcing bar during raw material mixing.And make water permeable concrete lid have better load bearing stength by mechanical compression molding, and without influence on permeable effect.
The present embodiment, by expanding the radius of boring, increases drilling depth and places drainage material surfactant in hydrophobic conduit, increasing the endosmosis outlet capacity of hydrophobic conduit, enable surface gathered water rapid osmotic to underground；Owing to solid reinforcing bar water permeable concrete lid intensity is higher than road surface water permeable concrete, further ensure that the intensity on road surface.Additionally, place insulation material expanded perlite in hydrophobic conduit, ensureing temperature in water-supply-pipe better, caused road surface ice sheet to be frozen on road surface, thus preventing when temperature is relatively low, having affected the permeable effect on water permeable concrete road surface owing to precipitation freezes.
Above embodiments of the invention are described in detail, but described content has been only presently preferred embodiments of the present invention, it is impossible to be considered the practical range for limiting the present invention.All equalizations made according to the present patent application scope change and improvement etc., all should still belong within the patent covering scope of the present invention.
Claims (10)
1. the construction method on water permeable concrete road surface, including:
A. at the existing hard surface certain thickness hard surface of layer milling；
B. hole in the road surface after milling；
C. in the hole being drilled, place hydrophobic conduit；
D. on hydrophobic conduit, install the permeable lid of solid additional；
E. mat formation porous pavement material.
2. construction method according to claim 1, it is characterised in that after step, also include before step B:
Road surface after milling is cleared up smooth.
3. construction method according to claim 1, it is characterised in that also include after step E:
Smooth and rolling road surface molding.
4. construction method according to claim 1, it is characterised in that described road surface drilling depth to reach below road structure layer.
5. construction method according to claim 1, it is characterised in that described boring tends to vertical road surface.
6. construction method according to claim 1, it is characterised in that place drainage material, filter material and insulation material in described hydrophobic conduit.
7. construction method according to claim 1, it is characterised in that the hydrophobic conduit of described placement is socket joint pipe of cement.
8. construction method according to claim 1, also includes after step c:
Gap tolerance between described boring and hydrophobic conduit is carried out cementation of fissures process.
9. construction method according to claim 1, it is characterised in that described hydrophobic conduit diameter is 20cm-40cm.
10. construction method according to claim 1, it is characterised in that described existing hard surface layer milling thickness is 3cm-15cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410799448.4A CN105714645A (en) | 2014-12-22 | 2014-12-22 | Construction method of permeable concrete pavements |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410799448.4A CN105714645A (en) | 2014-12-22 | 2014-12-22 | Construction method of permeable concrete pavements |
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| CN105714645A true CN105714645A (en) | 2016-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410799448.4A Pending CN105714645A (en) | 2014-12-22 | 2014-12-22 | Construction method of permeable concrete pavements |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106758668A (en) * | 2016-12-01 | 2017-05-31 | 北京东方凌云科技有限公司 | A kind of new method of recharge underground water |
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| JP3981146B1 (en) * | 2006-11-16 | 2007-09-26 | 姫路市 | Drainage structure construction method |
| JP2009068240A (en) * | 2007-09-12 | 2009-04-02 | Fiber Dain Kk | Permeable structure, and construction method for permeable structure |
| CN201433347Y (en) * | 2009-09-29 | 2010-03-31 | 四川省晟茂建设有限公司 | Non-tilt non-waterlogged cement concrete road |
| CN202148479U (en) * | 2011-07-05 | 2012-02-22 | 卢俊卿 | Earth surface rainwater permeator |
| CN102900002A (en) * | 2012-09-17 | 2013-01-30 | 山东省交通科学研究所 | Repair method of structural water damage of asphalt pavement with cement-cured base layer |
| JP2014055442A (en) * | 2012-09-12 | 2014-03-27 | Kansai Electric Power Co Inc:The | Pavement ground and paving method |
| CN104047215A (en) * | 2014-05-21 | 2014-09-17 | 西南科技大学 | Method for changing cement concrete pavement into pervious concrete pavement |
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2014
- 2014-12-22 CN CN201410799448.4A patent/CN105714645A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3981146B1 (en) * | 2006-11-16 | 2007-09-26 | 姫路市 | Drainage structure construction method |
| JP2009068240A (en) * | 2007-09-12 | 2009-04-02 | Fiber Dain Kk | Permeable structure, and construction method for permeable structure |
| CN201433347Y (en) * | 2009-09-29 | 2010-03-31 | 四川省晟茂建设有限公司 | Non-tilt non-waterlogged cement concrete road |
| CN202148479U (en) * | 2011-07-05 | 2012-02-22 | 卢俊卿 | Earth surface rainwater permeator |
| JP2014055442A (en) * | 2012-09-12 | 2014-03-27 | Kansai Electric Power Co Inc:The | Pavement ground and paving method |
| CN102900002A (en) * | 2012-09-17 | 2013-01-30 | 山东省交通科学研究所 | Repair method of structural water damage of asphalt pavement with cement-cured base layer |
| CN104047215A (en) * | 2014-05-21 | 2014-09-17 | 西南科技大学 | Method for changing cement concrete pavement into pervious concrete pavement |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106758668A (en) * | 2016-12-01 | 2017-05-31 | 北京东方凌云科技有限公司 | A kind of new method of recharge underground water |
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Application publication date: 20160629 |