CN208995858U - A kind of sponge urban road using ventilation anti-seepage sand - Google Patents

A kind of sponge urban road using ventilation anti-seepage sand Download PDF

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Publication number
CN208995858U
CN208995858U CN201821565700.5U CN201821565700U CN208995858U CN 208995858 U CN208995858 U CN 208995858U CN 201821565700 U CN201821565700 U CN 201821565700U CN 208995858 U CN208995858 U CN 208995858U
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layer
sand
seepage
ventilation anti
aquifer
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张振
丁学赏
吕燕
杨龙祥
张海勇
梁帅成
王松庆
王建波
吴涛
杨洁
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TIANJIN WATER RESOURCES RESEARCH INSTITUTE
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TIANJIN WATER RESOURCES RESEARCH INSTITUTE
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Abstract

The utility model provides a kind of sponge urban road using ventilation anti-seepage sand, including runway and greenbelt, the runway is followed successively by permeable brick layer, coarse sands layer, metalling, filter layer, aquifer, steady layer of water and soil matrix layer from top to bottom, the greenbelt is followed successively by the first ventilation anti-seepage layer of sand, grass planting brick layer, middle layer of sand, planting soil layer, aquifer, the second ventilation anti-seepage layer of sand and soil matrix layer from top to bottom, filter pipe is equipped in the filter layer, the filter pipe is equipped with several diversion pipes, and the diversion pipe gos deep into aquifer.The runway of the utility model and the aquifer of greenbelt do not separate, and the structure that rainy day runway uses can absorb water, water storage, are conducive to store rainwater and for the plant in greenbelt provide moisture.

Description

A kind of sponge urban road using ventilation anti-seepage sand
Technical field
The utility model is a kind of sponge urban road using ventilation anti-seepage sand, belongs to sponge urban road structure technology Field.
Background technique
Ventilation anti-seepage sand is to be developed by " surface tension of enhancing water " principle using desert drift-sand as raw material Obtain a kind of impervious material with respiratory function.Using ventilation anti-seepage sand, and form water-saving solution (including the water of system Body, river seepage control system and ecological planting system).Water body antiseepage, water quality holding, ecologic planting, salt-soda soil antiseepage etc. can be achieved Multiple functions improve ecological environment while effectively save water resource.
Sponge city is new generation of city storm water man- agement concept, refers to that city is brought in adaptation environmental change and reply rainwater Natural calamity etc. there is good " elasticity ", also referred to as " water elasticity city ".International term is " low influence Develop storm-water system building ".Water suction, water storage, infiltration, water purification when raining by the water stored " release " and are used when needing.
In the prior art, greenbelt water storage function is limited, is separated between each region of greenbelt by tree pond, cannot effectively connect It is logical, cause some region moisture sufficient, some regions need to water, improve the frequency of watering, increase labor intensity, so It is badly in need of a kind of sponge urban road using ventilation anti-seepage sand to solve the above-mentioned problem.
Utility model content
In view of the deficienciess of the prior art, the utility model aim is to provide a kind of sponge city using ventilation anti-seepage sand City's road, to solve the problems mentioned in the above background technology, the utility model greatly reduce the frequency of watering, reduce labor Fatigue resistance.
To achieve the goals above, the utility model is achieved through the following technical solutions: it is a kind of using ventilative anti- The sponge urban road of sand is seeped, including runway and greenbelt, the runway are followed successively by permeable brick layer, coarse sand from top to bottom Layer, metalling, filter layer, aquifer, steady layer of water and soil matrix layer, the greenbelt are followed successively by the first ventilation anti-seepage sand from top to bottom Layer, grass planting brick layer, middle layer of sand, planting soil layer, aquifer, the second ventilation anti-seepage layer of sand and soil matrix layer are equipped in the filter layer Filter pipe, the filter pipe are equipped with several diversion pipes, and the diversion pipe gos deep into aquifer.
Further, the filter layer includes coarse filtration layer and thin filter layer, and the coarse filtration layer is located on thin filter layer Layer, the coarse filtration layer aperture 1.0-5.0mm, the thin filter layer aperture 0.1-1.0mm.
Further, the filter pipe is equipped with several liquid collecting holes.
Further, the planting soil layer includes (percentage): planting soil 30%, middle sand 30%, You Jicheng Divide 15%, vermiculite power 8%, sawdust 12% and clay 5%.
Further, the gravel size in the coarse sands layer is 3.0-4.0mm.
Further, the rock partial size in the metalling is 5.0-25mm.
Further, the aquifer be straticulate structure, be followed successively by from top to bottom cobblestone aquifer, sand bedding course and Geotextile layer.
Further, the ventilation anti-seepage sand grains diameter of the first ventilation anti-seepage layer of sand and the second ventilation anti-seepage layer of sand is 20- 200 mesh.
The utility model has the beneficial effects that a kind of sponge urban road using ventilation anti-seepage sand of the utility model, row The aquifer of lane and greenbelt does not separate, rainy day runway use structure can absorb water, water storage, be conducive to store rainwater Moisture is provided for the plant in greenbelt, the frequency of watering is greatly reduced, reduces labor intensity;
The first ventilation anti-seepage layer of sand is added in greenbelt, make it have it is ventilative, water conservation, fertilizer conservation the advantages of, improve plant Survival rate;The second ventilation anti-seepage layer of sand is added, there is antiseepage effect, prevent moisture penetration into soil matrix layer.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other spies of the utility model Sign, objects and advantages will become more apparent upon:
Fig. 1 is a kind of structural schematic diagram of the sponge urban road using ventilation anti-seepage sand of the utility model.
In figure: 1- runway, 2- greenbelt, the first ventilation anti-seepage of 3- layer of sand, 4- grass planting brick layer, layer of sand, 6- kind are planted in 5- Soil layer, 7- aquifer, the second ventilation anti-seepage of 8- layer of sand, 9- soil matrix layer, 10- steady layer of water, 11- filter pipe, 12- filter layer, 13- Metalling, 14- coarse sands layer, the permeable brick layer of 15-, 16- diversion pipe.
Specific embodiment
To be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, below In conjunction with specific embodiment, the utility model is further described.
As shown in Figure 1, a kind of sponge urban road using ventilation anti-seepage sand, including runway 1 and greenbelt 2, driving Road 1 is followed successively by permeable brick layer 15, coarse sands layer 14, metalling 13, filter layer 12, aquifer 7, steady layer of water 10 and soil matrix from top to bottom Layer 9, greenbelt 2 is followed successively by the first ventilation anti-seepage layer of sand 3, grass planting brick layer 4, middle layer of sand 5, planting soil layer 6, aquifer from top to bottom 7, the second ventilation anti-seepage layer of sand 8 and soil matrix layer 9, filter layer 12 include coarse filtration layer and thin filter layer, and coarse filtration layer is located at thin mistake Filtering layer upper layer, coarse filtration layer aperture 1-5mm, thin filter layer aperture 0.1-1mm, filter layer 12 is interior to be equipped with filter pipe 11, filtering Pipeline 11 is equipped with several diversion pipes 16 and several liquid collecting holes, and diversion pipe 16 gos deep into aquifer 7.
Permeable brick layer 15 is made of pervious concrete, and pervious concrete is also known as celluar concrete, is wrapped by coarse aggregate surface It covers thin layer cement slurry mutually to bond and form the equally distributed honeycomb structure in hole, therefore it is with high water-permeability.
Coarse sands layer 14 is made of sandstone of the partial size between 3.0-4.0mm, is had surfacing, is stablized stress, smoothly dredges The effect of water.
Metalling 13 is made of rock particles of the partial size between 5-25mm, and it can be permeable brick layer 15 that bearing strength is high More solid support is provided, the gap between rubble can be provided for water flow it is biggish store space, and water flow can be past Periphery diffusion.
The setting of filter layer 12 can prevent the water storage effect for entering aquifer 7 with the sundries in rainwater, reducing aquifer 7 Fruit, while preventing the liquid collecting hole on 11 tube wall of filter pipe from blocking.
Aquifer 7 is straticulate structure, is followed successively by cobblestone aquifer, sand bedding course and geotextile layer from top to bottom, under Aquifer 7 can be made full use of to carry out water storage when rain, and prevent surface gathered water.When fine, the water in aquifer 7 can be Planting soil layer 8 provides moisture content, prevents planting soil layer 6 excessively dry, guarantees that root system of plant obtains sufficient water supply.
Soil matrix layer 9 is laid with by construction refuse regenerated aggregate, and construction refuse regenerated aggregate is added using building waste recycling Work forms, and on the one hand building waste can be turned waste into wealth, is good for the environment, and another aspect construction refuse regenerated aggregate has strong The features such as degree is high, bulk density is small, porosity is big, water permeable ability is strong, and its water absorption rate also with higher, therefore soil matrix layer 9 have good water permeability and water storage performance.
First ventilation anti-seepage layer of sand 3 effectively prevent the moisture evaporation of greening belt surface, makes it have ventilative, water conservation, fertilizer conservation The advantages of;Second ventilation anti-seepage layer of sand 8 can be effectively prevented the moisture penetration in aquifer 7 into soil matrix layer 9, have antiseepage Effect better assures that aquifer 7 is that planting soil layer 8 provides moisture content, improves plant survival rate.
Planting soil layer 6 includes (percentage): planting soil 30%, middle sand 30%, organic principle 15%, vermiculite power 8%, sawdust 12% and clay 5%.
Construction procedure:
(1) Control Survey for Construction;
(2) place flattens, and wherein Subgrade Compaction is 93% or more;
(3) construction of steady layer of water 10 and the second ventilation anti-seepage layer of sand 8, including preparation of construction;Surveying setting-out;Place leveling, Wherein empty paving 1cm thickness, using plate vibrator to its jolt ramming;
(4) aquifer 7 is constructed, including surveying setting-out;Geotextile layer, sand bedding course and cobblestone aquifer are laid, wherein empty The thickness for spreading 2-3cm, is rolled using 2.5t vibrated roller, before rolling, every square meter water-sprinkling 3-4kg, with water-sprinkling again is rolled, often Square meter water-sprinkling 1kg after road roller rolls 3 times, vibrates 2 times, then static pressure 1-2 times;
(5) filter layer 12 and planting soil layer 6 are constructed, including preparation of construction;Surveying setting-out;Filter pipe, diversion pipe are installed Go deep into aquifer, be laid with thin filter layer, coarse filtration layer and planting soil layer, after road roller rolls 3 times, vibrates 2 times, then static pressure 1- 2 times;
(6) construction of metalling 13 and middle layer of sand 5, including preparation of construction, surveying setting-out are laid with rubble and middle sand, press road Machine rolls;Then one layer of coarse sands layer 14 and grass planting brick layer 4 are covered in corresponding position;
(7) permeable brick layer 15 is constructed, including preparation of construction;Surveying setting-out;Water-permeable brick floating screed;Watering wetting base paves carefully Stone concrete;Water-permeable brick dips in slurry and thin, middle sand sweeps seam;Water-permeable brick needs to soak before mating formation, but surface must not have moisture;Carefully The virtual resurfacing thickness 0.5-1cm that stone concrete paves, slit width 5mm, after pea gravel concreten paves, water-permeable brick bottom dips in the ratio of mud and is The cement slurry of 0.4-0.5;Sprinkling maintenance after surviving for 24 hours conserves 2-3 days, during which must not disturb the water-permeable brick mated formation;Spread it is thin, Middle sand sweeps seam, and sweeping seam sand must be dry sand, and clay content hereinafter, need repeatedly to sweep seam, after having swept every time, is sprinkled water immediately 1%, it is ensured that Sand is set to fill gap, until sand no longer sinks after watering;
The construction of (8) first ventilation anti-seepage layers of sand 3, including preparation of construction;Surveying setting-out;One layer is laid in grass planting brick layer 4 First ventilation anti-seepage layer of sand 3;
(9) finished product protection.
When raining, rainwater successively enters filter layer 12, filter layer through permeable brick layer 15, coarse sands layer 14, metalling 13 12 be coarse filtration layer and thin filter layer from top to bottom, and rainwater is filtered by coarse filtration layer and thin filter layer, filter pipe 11 Several liquid collecting holes are equipped with, filtered rainwater is entered in filter pipe 11 by liquid collecting hole, by filter pipe 11 Diversion pipe 16 enter aquifer 7 in, aquifer 7 provides moisture for the plant in greenbelt 2, adds first on greenbelt 2 Ventilation anti-seepage layer of sand 3, the advantages of making it have ventilative, retain water and nutrients;The second ventilation anti-seepage layer of sand 8 is added, there is antiseepage effect, Plant survival rate is improved, prevents moisture penetration into soil matrix layer.
It after the utility model is laid with the second ventilation anti-seepage sand, both can guarantee by storm water conservation near root system of plant, placed Moisture penetration is diffused into layer of sand loss;Fertilizer efficiency is prevented to be lost;The seawater in the stratum such as seabeach salt-soda soil can be prevented again and is unfavorable for The substance of vegetation growth to moisture penetration to root system of plant near.Ventilation anti-seepage sand has good gas permeability simultaneously, can be by root It is that near zone and ground vapour are connected, is conducive to plant growth, 70% or more can also be saved water, in planting technique using saturating Gas antiseepage sand effectively reduces the loss that fertilizer efficiency is blended under moisture, reaches and makes full use of precious water resource and fertilizer effect Problem.There is respiratory function while the ventilation anti-seepage impervious sand that the utility model uses, be conducive to plant growth, connect ground vapour, Increasing water body dissolved oxygen amount, solves the rotten problem of water storage, product is fluidised form, and plasticity is strong, it is easy for construction, it is anti-to can be applied to lake Infiltration, desert planting, salt-soda soil antiseepage, rainwater catchment system etc..
The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above, for For those skilled in the art, it is clear that the present invention is not limited to the details of the above exemplary embodiments, and without departing substantially from this In the case where the spirit or essential attributes of utility model, the utility model can be realized in other specific forms.Therefore, no matter From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the utility model is by institute Attached claim rather than above description limit, it is intended that will fall within the meaning and scope of the equivalent elements of the claims All changes are embraced therein.It should not treat any reference in the claims as limiting related right It is required that.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art The other embodiments being understood that.

Claims (7)

1. a kind of sponge urban road using ventilation anti-seepage sand, which is characterized in that including runway (1) and greenbelt (2), institute It states runway (1) and is followed successively by permeable brick layer (15), coarse sands layer (14), metalling (13), filter layer (12), aquifer from top to bottom (7), steady layer of water (10) and soil matrix layer (9), the greenbelt (2) are followed successively by the first ventilation anti-seepage layer of sand (3), grass planting from top to bottom Brick layer (4), middle layer of sand (5), planting soil layer (6), aquifer (7), the second ventilation anti-seepage layer of sand (8) and soil matrix layer (9), the mistake Filter pipe (11) are equipped in filtering layer (12), the filter pipe (11) is equipped with several diversion pipes (16), the diversion pipe (16) go deep into aquifer (7).
2. a kind of sponge urban road using ventilation anti-seepage sand according to claim 1, which is characterized in that the filtering Layer (12) includes coarse filtration layer and thin filter layer, and the coarse filtration layer is located at thin filter layer upper layer, coarse filtration layer aperture 1.0-5.0mm, the thin filter layer aperture 0.1-1.0mm.
3. a kind of sponge urban road using ventilation anti-seepage sand according to claim 1, which is characterized in that the filtering Pipeline (11) is equipped with several liquid collecting holes.
4. a kind of sponge urban road using ventilation anti-seepage sand according to claim 1, which is characterized in that the coarse sand Gravel size in layer (14) is 3.0-4.0mm.
5. a kind of sponge urban road using ventilation anti-seepage sand according to claim 1, which is characterized in that the rubble Rock partial size in layer (13) is 5.0-25mm.
6. a kind of sponge urban road using ventilation anti-seepage sand according to claim 1, which is characterized in that the water storage Layer (7) is straticulate structure, is followed successively by cobblestone aquifer, sand bedding course and geotextile layer from top to bottom.
7. a kind of sponge urban road using ventilation anti-seepage sand according to claim 1, which is characterized in that described first The ventilation anti-seepage sand grains diameter of ventilation anti-seepage layer of sand (3) and the second ventilation anti-seepage layer of sand (8) is 20-200 mesh.
CN201821565700.5U 2018-09-25 2018-09-25 A kind of sponge urban road using ventilation anti-seepage sand Active CN208995858U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109183546A (en) * 2018-09-25 2019-01-11 天津市水利科学研究院 A kind of sponge urban road and its construction method using ventilation anti-seepage sand
CN114409325A (en) * 2021-11-24 2022-04-29 包头市固废再生资源利用有限责任公司 Tree pool covering composition and paving method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109183546A (en) * 2018-09-25 2019-01-11 天津市水利科学研究院 A kind of sponge urban road and its construction method using ventilation anti-seepage sand
CN114409325A (en) * 2021-11-24 2022-04-29 包头市固废再生资源利用有限责任公司 Tree pool covering composition and paving method thereof

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