CN217104534U - Brick structure of mating formation permeates water suitable for high ground water level region - Google Patents
Brick structure of mating formation permeates water suitable for high ground water level region Download PDFInfo
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- CN217104534U CN217104534U CN202220434886.0U CN202220434886U CN217104534U CN 217104534 U CN217104534 U CN 217104534U CN 202220434886 U CN202220434886 U CN 202220434886U CN 217104534 U CN217104534 U CN 217104534U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 53
- 239000011449 brick Substances 0.000 title claims abstract description 44
- 239000003673 groundwater Substances 0.000 title claims abstract description 23
- 239000012466 permeate Substances 0.000 title claims abstract description 23
- 230000015572 biosynthetic process Effects 0.000 title claims abstract description 12
- 230000013011 mating Effects 0.000 title claims abstract description 11
- 239000004576 sand Substances 0.000 claims abstract description 20
- 239000012528 membrane Substances 0.000 claims abstract description 19
- 239000004568 cement Substances 0.000 claims abstract description 18
- 239000004567 concrete Substances 0.000 claims abstract description 18
- 239000004744 fabric Substances 0.000 claims abstract description 7
- 230000002265 prevention Effects 0.000 claims abstract 3
- 239000010410 layer Substances 0.000 claims description 36
- 239000004575 stone Substances 0.000 claims description 31
- 239000004746 geotextile Substances 0.000 claims description 18
- 230000035699 permeability Effects 0.000 claims description 7
- 239000002344 surface layer Substances 0.000 claims description 7
- 239000002131 composite material Substances 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract 1
- 230000008595 infiltration Effects 0.000 description 8
- 238000001764 infiltration Methods 0.000 description 8
- 230000000694 effects Effects 0.000 description 3
- 229920001903 high density polyethylene Polymers 0.000 description 2
- 239000004700 high-density polyethylene Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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Abstract
The utility model relates to a road pavement technical field, concretely relates to brick structure of mating formation that permeates water suitable for high ground water level region. The method comprises the following steps: the permeable brick surface course, the medium sand screed-coat, the geotechnological cloth that permeates water, the cement concrete basic unit that permeates water, gradation rubble subbase, prevention of seepage membrane, perforation drain pipe, rubble french drain. The permeable brick paving structure can timely discharge the downward-seeping rainwater in the structural layer, and fully play the role of reducing the runoff peak value of the permeable pavement; the anti-seepage film can well obstruct the connection between the underground water and the downward-seeping rainwater and prevent the polluted underground water and the underground water from flowing backwards; simple structure, the construction of being convenient for has fine economic nature and practicality.
Description
Technical Field
The utility model relates to a road pavement technical field, concretely relates to brick structure of mating formation that permeates water suitable for high ground water level region.
Background
Pavement is an important pavement form in the field of municipal roads, and most of traditional pavements are waterproof hard pavement pavements. In recent years, with the rise of sponge city construction, a permeable brick pavement capable of promoting rainwater infiltration is produced. The permeable pavement can well promote rainwater infiltration in a low underground water level area and supplement underground water resources. However, in the high groundwater level area, the rainwater infiltrates slowly, a large amount of rainwater is accumulated in the structural layer paved by the water permeable bricks, and even the groundwater flows back into the structural layer paved by the water permeable bricks, so that the infiltration capacity of the water permeable bricks is greatly weakened, and the paving effect of the water permeable bricks is greatly reduced. In addition, rainwater that enters the ground through a short infiltration path may also cause groundwater contamination; rain infiltration may also cause damage to the subgrade.
Current utility model patent CN209099101U, the patent name is "be fit for being applied to the structure of mating formation that permeates water of high groundwater level area", and it discloses a structure of mating formation that permeates water that has porous drain pipe and impervious bed, can effectively avoid polluting the risk of groundwater, can also discharge the rainwater of structural layer ability of mating formation that will permeate water through porous drain pipe. However, the water permeable bricks and the bottom wavy structure of the water permeable paving structure are too complex, so that the construction is inconvenient, the construction cost is high, and the practicability is poor; and the permeable pavement structure only has a water-impermeable layer on the bottom surface, so that the lateral relation between underground water and rainwater cannot be blocked, and the anti-seepage effect is not good.
Therefore, it is highly desirable to develop a permeable brick pavement structure that can block the connection between underground water and rainwater and facilitate construction in high-underground water level areas.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in the not enough to above-mentioned prior art existence, provides a brick structure of mating formation that permeates water suitable for high ground water level region, and in high ground water level region, can enough cut off groundwater and the relation between the rainwater of infiltrating downwards, the construction of being convenient for again has fine economic nature and practicality.
In order to solve the technical problem, the utility model discloses a technical scheme is: a permeable brick paving structure suitable for a high underground water level region comprises a middle sand leveling layer 2, a permeable brick surface layer 1 is paved above the middle sand leveling layer 2 according to a conventional ground brick mode, a permeable geotextile 3 is arranged below the middle sand leveling layer 2, a permeable cement concrete base layer 4 is arranged below the permeable geotextile 3, a graded broken stone subbase layer 5 is arranged below the permeable cement concrete base layer 4, and the side surface and the bottom surface of the graded broken stone subbase layer 5 are wrapped with impermeable membranes 6; the impermeable membrane 6 is horizontally laid at the part of the bottom surface of the graded broken stone subbase 5, a broken stone blind ditch 8 is formed only by recessing the middle position of the road surface, and a perforated drain pipe 7 is arranged in the broken stone blind ditch 8.
Furthermore, the permeable brick surface layer 1 can be laid according to the form of the conventional floor brick without special requirements.
Furthermore, the water permeability of the medium sand leveling layer 2 is not lower than that of the water permeable brick surface layer 1.
Further, the geotextile 3 that permeates water is located between well sand screed-coat 2 and the cement concrete basic unit 4 that permeates water, prevents that the well sand of screed-coat from blockking up the cement concrete that permeates waterSoil; the permeable geotextile 3 adopts filament spun-bonded needle-punched non-woven geotextile, and the mass per unit area is 200g/m 2 ；
Further, the thickness of the permeable cement concrete base layer 4 is 140-160 mm, the permeability coefficient is not less than 0.5mm/s, and the continuous porosity is not less than 10%;
further, the thickness of the graded broken stone subbase 5 is 190-210 mm, the crushing value of the graded broken stone aggregate is not more than 26%, and the continuous porosity is not less than 10%; the side surface and the bottom surface of the graded broken stone subbase 5 are both wrapped by an impermeable membrane 6;
further, the crushed stone blind ditch 8 is positioned in the middle of the permeable pavement under the graded crushed stone subbase 5, is shaped like an isosceles trapezoid, and is internally filled with graded crushed stones; the cross section of the macadam blind ditch 8 is larger than that of the perforated drain pipe 7; the side surface and the bottom surface of the macadam blind ditch 8 are wrapped by the impermeable membrane 6;
furthermore, the perforated drain pipe 7 is embedded in the gravel blind ditch, is connected with a nearby rainwater pipe network, and is wrapped by a permeable geotextile at the outer side, and the aperture ratio is not less than 3%;
further, the impermeable membrane 6 is used for wrapping the graded broken stone subbase 5 and the side and the bottom of the broken stone blind ditch 8; the impermeable membrane 6 adopts a composite geomembrane and has a two-cloth one-membrane structure, and is formed by 200g/m of geotextile 2 + HDPE (smooth surface 1mm thick) +200g/m 2 The pattern of (1) is set.
Compared with the prior art, the utility model following main advantage has:
1. through set up the cement concrete base course that permeates water above the rubble subbase is joined in marriage to the level, can ensure that the permeable pavement road surface both has certain intensity, has fine water permeability again.
2. The broken stone blind ditch can well collect the infiltration rainwater, the rainwater collected by the broken stone blind ditch can be timely discharged into a downstream rainwater pipe network through the perforated drain pipe, a water storage space is timely vacated to promote the infiltration of the rainwater on the ground, and the effect of reducing the runoff peak value of the permeable pavement is fully exerted;
3. the anti-seepage film wraps the graded broken stone subbase layer and the side surface and the bottom surface of the broken stone blind ditch, so that the connection between underground water and infiltration rainwater can be well obstructed in a high underground water level area, and the polluted underground water and the underground water are prevented from flowing backwards;
4. the permeable bricks can be laid in the form of conventional floor bricks, and the bottom surfaces of the structural layers are planes and trapezoidal blind ditches with simple structures, so that the permeable bricks are convenient to construct, low in construction cost and good in economical efficiency and practicability.
Drawings
Fig. 1 is the utility model relates to a brick that permeates water structure of mating formation's whole schematic diagram suitable for high ground water level region.
In the figure: 1. a permeable brick facing; 2. a middle sand leveling layer; 3. water-permeable geotextile; 4. a pervious cement concrete base layer; 5. a graded crushed stone sub-base layer; 6. an impermeable membrane; 7. a perforated drain pipe; 8. and (5) breaking the blind ditch.
Detailed Description
In order to make the technical solution of the present invention better understood, the present invention is described in detail below with reference to the accompanying drawings, and the description of the present invention is only exemplary and explanatory, and should not be construed as limiting the scope of the present invention. Furthermore, the technical features mentioned in the embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.
It should be noted that, according to the implementation requirement, each step/component described in the present application can be divided into more steps/components, and two or more steps/components or partial operations of the steps/components can be combined into new steps/components to achieve the purpose of the present invention.
As shown in fig. 1, the utility model provides a brick structure of mating formation permeates water suitable for high ground water level region, including well sand screed-coat 2, brick surface course 1 permeates water has been laid according to the form of conventional ground brick to well sand screed-coat 2 top, be provided with geotechnological cloth 3 permeates water below well sand screed-coat 2, it is provided with permeable cement concrete basic unit 4 to permeate water geotechnological cloth 3 below, it is provided with graded rubble underlayment 5 to permeate water cement concrete basic unit 4 below, the side of graded rubble underlayment 5 and bottom surface parcel have barrier film 6; the impermeable membrane 6 is horizontally laid at the part of the bottom surface of the graded broken stone subbase 5, a broken stone blind ditch 8 is formed only by recessing the middle position of the road surface, and a perforated drain pipe 7 is arranged in the broken stone blind ditch 8.
The permeable brick surface layer 1 can be laid according to the form of the conventional floor brick, and has no special requirement.
It should be noted that the water permeability of the medium sand leveling layer 2 is not lower than that of the water permeable brick surface layer 1.
Further, the permeable geotextile 3 is positioned between the middle sand leveling layer 2 and the permeable cement concrete base layer 4, so that the middle sand of the leveling layer is prevented from blocking the permeable cement concrete; the permeable geotextile 3 adopts filament spun-bonded needle-punched non-woven geotextile, and the mass per unit area is 200g/m 2 ；
Furthermore, the thickness of the permeable cement concrete base layer 4 is 140-160 mm, the permeability coefficient is not less than 0.5mm/s, and the continuous porosity is not less than 10%;
furthermore, the thickness of the graded broken stone subbase 5 is 190-210 mm, the crushing value of the graded broken stone aggregate is not more than 26%, and the continuous porosity is not less than 10%; the side surface and the bottom surface of the graded broken stone subbase 5 are wrapped by an impermeable membrane 6;
furthermore, the crushed stone blind ditch 8 is positioned in the middle of the permeable pavement under the graded crushed stone subbase 5, is shaped like an isosceles trapezoid, and is internally filled with graded crushed stones; the cross section of the macadam blind ditch 8 is larger than that of the perforated drain pipe 7; the side surface and the bottom surface of the macadam blind ditch 8 are wrapped by the impermeable membrane 6;
furthermore, the perforated drain pipe 7 is embedded in the gravel blind ditch, is connected with a nearby rainwater pipe network, and is wrapped by a permeable geotextile on the outer side, and the aperture ratio is not less than 3 percent;
furthermore, the impermeable membrane 6 is used for wrapping the graded gravel subbase 5 and the side and the bottom of the gravel blind ditch 8; the impermeable membrane adopts a composite geomembrane, has a structure of two cloth layers and one membrane layer, and is formed according to the geotextile weight of 200g/m 2 + HDPE (smooth surface 1mm thick) +200g/m 2 The pattern of (1) is set.
Therefore, rainwater sequentially permeates through the permeable brick surface layer 1, the medium sand leveling layer 2, the permeable geotextile 3, the permeable cement concrete base layer 4 and the graded broken stone subbase layer 5, is blocked by the impermeable membrane 6, and finally collects into the broken stone blind ditch 8 and is discharged into a nearby rainwater pipe network through the perforated drain pipe 7.
The permeable brick paving structure can timely discharge the downward-seeping rainwater in the structural layer, and fully play the role of reducing the runoff peak value of the permeable pavement; the anti-seepage film can well obstruct the connection between the underground water and the downward-seeping rainwater and prevent the polluted underground water and the underground water from flowing backwards; the permeable pavement structure is simple, convenient to construct, and good in economical efficiency and practicability.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the spirit and scope of the present invention, and these changes and modifications fall within the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. The utility model provides a brick structure of mating formation permeates water suitable for high ground water level region for pavement surface pavement, its characterized in that: from last to being equipped with permeable brick surface course (1), well sand screed-coat (2), the geotechnological cloth (3) that permeates water, graded rubble subbase (5) down in proper order, graded rubble subbase (5) and the geotechnological cloth (3) centre of permeating water still are equipped with permeable cement concrete basic unit (4), the side and the bottom surface parcel of graded rubble subbase (5) have prevention of seepage membrane (6), the partial level that prevention of seepage membrane (6) are located graded rubble subbase (5) bottom surface is laid and is sunken trapezoidal rubble french drain (8) of formation in the position that corresponds with the road surface axis, be equipped with perforation drain pipe (7) in rubble french drain (8).
2. The permeable brick paving structure suitable for the high groundwater level area according to claim 1, characterized in that: and the water permeability of the medium sand leveling layer (2) is not lower than that of the water permeable brick surface layer (1).
3. The permeable brick paving structure suitable for the high groundwater level area according to claim 1, characterized in that: the permeable geotextile (3) is arranged between the middle sand leveling layer (2) and the permeable cement concrete base layer (4) and is used for preventing the middle sand of the middle sand leveling layer (2) from blocking the permeable cement concrete base layer (4).
4. The permeable brick paving structure suitable for the high groundwater level area according to claim 3, wherein: the water permeable geotextile (3) adopts filament spun-bonded needle-punched non-woven geotextile, and the mass per unit area is 200g/m 2 。
5. The permeable brick paving structure suitable for the high groundwater level area according to claim 1, characterized in that: the thickness of the permeable cement concrete base layer (4) is 140-160 mm, the permeability coefficient is not less than 0.5mm/s, and the continuous porosity is not less than 10%.
6. The permeable brick paving structure suitable for the high groundwater level area according to claim 1, characterized in that: the thickness of the graded broken stone subbase layer (5) is 190-210 mm, the crushing value of the graded broken stone aggregate is not more than 26%, and the continuous porosity is not less than 10%.
7. The permeable brick paving structure suitable for the high groundwater level area according to claim 1, characterized in that: the perforated drain pipe (7) is buried in the middle of the gravel blind ditch (8), the perforated drain pipe (7) is connected to a nearby rainwater pipe network, the outer side of the perforated drain pipe is wrapped by a permeable geotextile, and the aperture ratio is not less than 3%.
8. The permeable brick paving structure suitable for the high groundwater level area according to claim 1, characterized in that: the impermeable membrane (6) is a composite geomembrane.
9. The permeable brick paving structure suitable for the high groundwater level area according to claim 1, characterized in that: the shape of the macadam blind ditch (8) is isosceles trapezoid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220434886.0U CN217104534U (en) | 2022-03-02 | 2022-03-02 | Brick structure of mating formation permeates water suitable for high ground water level region |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202220434886.0U CN217104534U (en) | 2022-03-02 | 2022-03-02 | Brick structure of mating formation permeates water suitable for high ground water level region |
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| CN217104534U true CN217104534U (en) | 2022-08-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118140735A (en) * | 2024-04-10 | 2024-06-07 | 广东省建筑装饰工程有限公司 | An assembled sponge water storage real plant intelligent control system and construction method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118140735A (en) * | 2024-04-10 | 2024-06-07 | 广东省建筑装饰工程有限公司 | An assembled sponge water storage real plant intelligent control system and construction method |
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