CN207062685U - A kind of sponge city - Google Patents

Abstract

The utility model discloses a kind of sponge city, it is related to city water conservancy facilities technical field, solving some places in city needs to ensure certain surface infrastructure intensity, such as the city square that stone material is paved, be not suitable for building up permeable oozing and mat formation, " sponge " of infiltration so that these regions can not become to absorb water, the problem of so as to reduce city water percolating capacity to a certain extent, its drip irrigation device is：Rainwater transverse direction water conservancy diversion is not easy to build up the region that can ooze earth's surface to other, allows rainwater to be oozed under being realized around fluid-tight surface, " sponge " that those waterproof regions mated formation also become the infiltration that can absorb water just is approximately equal to, so as to improve the water percolating capacity in city.A kind of sponge city of the present utility model, under certain reasonable cost so that the region of waterproof floor file becomes " sponge " for the infiltration that can absorb water.

Description

A kind of sponge city

Technical field

City water conservancy facilities technical field is the utility model is related to, more particularly to a kind of sponge city.

Background technology

" sponge city " is new generation of city storm water man- agement concept, refers to that city is adapting to environmental change and reply rainwater band The natural calamity etc. come has good " elasticity ", also referred to as " water elasticity city ", water suction, water storage when rainy, oozes Water, water purification, it is necessary to when by the water stored " release " and be used.

Six word policies of sponge urban construction are：" ooze, be stagnant, store, be net, use, row ".The lead-in of six word policies is to allow to the greatest extent may be used Ground more than energy " can ooze ", it is sufficient to seem its importance, only first ooze, can just there is follow-up construction means.But have a lot Situation, such as the city square that stone material is paved, because city square belongs to sports safety area, it is necessary to ensure certain earth's surface knot Structure intensity, therefore be not suitable for building up permeable oozing and mat formation so that these regions can not become to absorb water " sponge " of infiltration.

Such case causes area permeable in city to reduce to a certain extent, so as to reduce water percolating capacity so that sponge " oozing " word in six word policies of urban construction can not be realized preferably so that the construction means in follow-up sponge city can not reach To expected effect, the lead-in of six word policies is that ground as much as possible " can be oozed ", therefore improved space be present.

Utility model content

The purpose of this utility model is to provide a kind of approach, allows rainwater to be oozed under being not only able to vertically, can also horizontal water conservancy diversion It is not easy to build up the region that can ooze earth's surface to other, allows rainwater to be oozed under being realized around fluid-tight surface, be just approximately equal to those The waterproof region mated formation also becomes " sponge " for the infiltration that can absorb water.

Above-mentioned technical purpose of the present utility model technical scheme is that：

A kind of sponge city, including bed course, crushed rock base course is provided with the bed course, is provided with the crushed rock base course Water route face and waterproof floor file, it is provided with the crushed rock base course and the rainwater penetrated into crushed rock base course is directed to waterproof paving The guider in crushed rock base course where ground.

Using such scheme, the setting of porous pavement enables rainwater of the product on road surface smoothly to penetrate into crushed rock base course In, the setting of guider to imported into by guider by the rainwater that porous pavement is deep into crushed rock base course impermeable In crushed rock base course where water floor file so that rainwater oozes under being realized around fluid-tight surface, and it is waterproof to be just approximately equal to those The region of floor file also becomes " sponge " for the infiltration that can absorb water, and is penetrated into so as to improve to a certain extent in crushed rock base course Water percolating capacity.

Preferably, the guider includes cement guiding and leaking pipe.

Using such scheme, on the one hand infiltration effect is relatively high for the setting of cement guiding and leaking pipe, improves oozing for rainwater to a certain extent Enter effect；Another aspect cement guiding and leaking pipe is easy for installation, easily operated, saves the set-up time to a certain extent.

Preferably, also lead seepage hole including some be arranged in cement guiding and leaking pipe on the guider.

Using such scheme, the setting for leading seepage hole is easy to flow out by leading seepage hole by the rainwater of cement guiding and leaking pipe so that passes through The rainwater that porous pavement penetrates into crushed rock base course is oriented to other regions, allows rainwater to be oozed under being realized around waterproof floor file to realize.

Preferably, the seepage hole of leading is set for ellipse.

Using such scheme, what ellipse was set leads seepage hole so that the rainwater in cement guiding and leaking pipe can keep maximum The speed outflow cement guiding and leaking pipe that and can keeps most fast is measured, and then is flowed into the crushed rock base course where waterproof floor file, with as far as possible Oozed under fast velocity interpolation.

Set preferably, the direction for leading seepage hole is inclined upwardly 120 ° from permeable floor file to porous pavement.

Using such scheme, lead seepage hole and set in 120 ° of angles so that the rainwater in cement guiding and leaking pipe can be along cement guiding and leaking pipe more In the crushed rock base course for quickly flowing to those waterproof floor file, improve oozed in the crushed rock base course of waterproof floor file to a certain extent The speed of water.

Preferably, the rounded setting in the section of described cement guiding and leaking pipe.

Using such scheme, the cement guiding and leaking pipe that circle is set enables the rainy cement guiding and leaking pipe of certain area to accommodate more Water, ensure flowing velocity of the rainwater in cement guiding and leaking pipe to a certain extent；On the other hand the circular cement guiding and leaking pipe set is easy to manufacture, easily In shaping.

Preferably, the cement guiding and leaking pipe respectively with porous pavement, waterproof floor file in parallel arrangement on crushed rock base course.

Using such scheme, mode that cement guiding and leaking pipe and porous pavement, waterproof floor file be arranged in parallel, it is easy to penetrate into broken The collection as much as possible of rainwater in ground mass layer is in cement guiding and leaking pipe, high guiding speed of the cement guiding and leaking pipe to rainwater in upper body to a certain degree Degree.

Preferably, the cement guiding and leaking pipe is located at the middle part of crushed rock base course.

Using such scheme, cement guiding and leaking pipe is arranged on the middle part of crushed rock base course, is easy to penetrate into the rainwater one in crushed rock base course Part is flowed into the cement guiding and leaking pipe at middle part so as to which horizontal infiltration, the vertical rainwater in part vertically permeate so that the infiltration of rainwater is equal It is even, so as to improve the quality in sponge city to a certain extent.

Preferably, the porous pavement and the height of waterproof floor file are located at same horizontal line.

Using such scheme, the height of porous pavement and waterproof floor file is located at the setting of same horizontal line, on the one hand makes Road surface is obtained generally in a horizontal line, there is necessarily attractive in appearance；On the other hand it is easy to cement guiding and leaking pipe in crushed rock base course to protect as far as possible Water holding is put down, and is not bent, and improves the effect of infiltration to a certain extent.

Preferably, the porous pavement and the height of waterproof floor file are respectively 1 with the ratio between the height of crushed rock base course:2.

Such scheme is used, if porous pavement and the height of waterproof floor file are less than with the ratio between the height of crushed rock base course respectively 1:2, then causing the rainwater of porous pavement to undergo considerably long distance can just penetrate into cement guiding and leaking pipe, reduce to a certain extent The speed of infiltration；If ratio is more than 1:2 so that the thickness of crushed rock base course is relatively low, so as to which cement guiding and leaking pipe can not be placed on rubble base In layer, 1:The speed of on the one hand infiltration that 2 ratio makes is reasonable, and next improves porous pavement and the structure of waterproof floor file is strong Degree.

In summary, the utility model has the advantages that：

1st, the setting of guider in crushed rock base course is passed through so that rainwater oozes under being realized around fluid-tight surface；

2nd, by cement guiding and leaking pipe and the reasonable setting of seepage hole is led, under certain cost so that the region of waterproof floor file becomes " sponge " of the infiltration that can absorb water, the total amount to be seeped water in city is improved to a certain extent.

Brief description of the drawings

Fig. 1 is the structural representation in sponge city；

Fig. 2 is the sectional view in A-A portions in Fig. 1；

Fig. 3 is the structural representation of cement guiding and leaking pipe.

In figure：1st, bed course；2nd, crushed rock base course；3rd, porous pavement；4th, waterproof floor file；5th, cement guiding and leaking pipe；6th, seepage hole is led.

Embodiment

The utility model is described in further detail below in conjunction with accompanying drawing.

As shown in figure 1, a kind of sponge city disclosed in example is originally applied, including height is located at the waterproof paving in same horizontal line Ground 4 and porous pavement 3.

As shown in Fig. 2 crushed rock base course 2 is equipped with bed course 1, and crushed rock base course 2 has certain infiltration ability.In rubble base Porous pavement 3, the laying of porous pavement 3 are equipped with layer 2 so that the rainwater on road surface penetrates into crushed rock base course 2 through porous pavement 3 In.Because crushed rock base course 2 has certain infiltration ability so that oozed under the rainwater that penetrates into crushed rock base course 2 is vertical, so that Collection and storage that must be to natural rainwater.

As shown in Fig. 2 the waterproof floor file 4 positioned at the side of porous pavement 3 is also equipped with crushed rock base course 2, it is waterproof The rainwater of the upper surface of floor file 4 can not pass through waterproof floor file 4, so that rainwater can not be penetrated into positioned at the waterproof lower end of floor file 4 Crushed rock base course 2 in so that the rainwater on the waterproof surface of floor file 4 can not be stored and under ooze.

As shown in Fig. 2 being provided with guider in crushed rock base course 2, guider can build into guide groove or straight Connect and set up cement guiding and leaking pipe 5, the guider in the present embodiment uses cement guiding and leaking pipe 5, and cement guiding and leaking pipe 5 is easily installed, and cost is relatively low.Lead Ooze the rounded setting in section of pipe 5.The distance of cement guiding and leaking pipe 5 can be very long so that cement guiding and leaking pipe 5 can be completely through in crushed rock base course In 2.

As shown in Fig. 2 cement guiding and leaking pipe 5 is located at the middle part of crushed rock base course 2, and cement guiding and leaking pipe 5 and porous pavement 3 and waterproof floor file 4 are set in parallel.The rainwater that crushed rock base course 2 is penetrated into from porous pavement 3 is oriented to the waterproof lower end of floor file 4 by cement guiding and leaking pipe 5 In crushed rock base course 2, realization allow rainwater be not only able in crushed rock base course 2 it is vertical under ooze, can also horizontal water conservancy diversion to nearby broken Ground mass layer 2（It is other to be not easy to build up the region that ooze earth's surface）In, allow rainwater to be oozed under being realized around waterproof floor file 4 so that A little waterproof regions mated formation become " sponge " for the infiltration that can absorb water.

As shown in Figure 2,3, cement guiding and leaking pipe 5 surrounding be provided with it is some lead seepage hole 6, and lead seepage hole 6 in ellipse shape set, lead and ooze The direction in hole 6 is inclined upwardly 120 ° from waterproof floor file 4 to porous pavement 3 and set.The setting for leading seepage hole 6 to be located at cement guiding and leaking pipe Rainwater in 5 is flowed out by leading seepage hole 6, so that rainwater is evenly distributed in crushed rock base course 2, consequently facilitating crushed rock base course Rainwater infiltration in 2.

This specific embodiment is only that it is not to limitation of the present utility model, ability to explanation of the present utility model Field technique personnel can make the modification of no creative contribution to the present embodiment as needed after this specification is read, but As long as all protected in right of the present utility model by Patent Law.

Claims (10)

1. a kind of sponge city, including bed course (1), it is characterized in that：Crushed rock base course (2) is provided with the bed course (1), it is described broken Porous pavement (3) and waterproof floor file (4) are provided with ground mass layer (2), be provided with the crushed rock base course (2) will penetrate into it is broken Rainwater in ground mass layer (2) is directed to the guider in the crushed rock base course (2) where waterproof floor file (4).

2. a kind of sponge city according to claim 1, it is characterized in that：The guider includes cement guiding and leaking pipe (5).

3. a kind of sponge city according to claim 2, it is characterized in that：Also include some be arranged on the guider Seepage hole (6) is led in cement guiding and leaking pipe (5).

4. a kind of sponge city according to claim 3, it is characterized in that：The seepage hole (6) of leading is set for ellipse.

5. a kind of sponge city according to claim 4, it is characterized in that：The direction for leading seepage hole (6) is from permeable floor file (4) it is inclined upwardly 120 ° and sets to porous pavement (3).

6. a kind of sponge city according to claim 2, it is characterized in that：The section of described cement guiding and leaking pipe (5) is rounded to be set Put.

7. a kind of sponge city according to claim 2, it is characterized in that：The cement guiding and leaking pipe (5) respectively with porous pavement (3), waterproof floor file (4) is in parallel arrangement on crushed rock base course (2).

8. a kind of sponge city according to claim 2, it is characterized in that：The cement guiding and leaking pipe (5) is located at crushed rock base course (2) Middle part.

9. a kind of sponge city according to claim 1, it is characterized in that：The porous pavement (3) and waterproof floor file (4) Height be located at same horizontal line.

10. a kind of sponge city according to claim 1, it is characterized in that：The porous pavement (3) and waterproof floor file (4) height is respectively 1 with the ratio between the height of the first crushed rock base course (2):2.