CN106702849A

CN106702849A - Ecological side drain

Info

Publication number: CN106702849A
Application number: CN201611196399.0A
Authority: CN
Inventors: 邓飞
Original assignee: Jiangsu Kejia Engineering Design Co Ltd
Current assignee: Jiangsu Kejia Engineering Design Co Ltd
Priority date: 2016-12-22
Filing date: 2016-12-22
Publication date: 2017-05-24

Abstract

The invention discloses ecological side drain which has the advantages that water can be rapidly drained off and relatively great ponding water which can influence roads is not liable to form. According to the technical scheme, a drain body comprises a plain soil backfill layer, wherein the plain soil backfill layer concaves downwards to form a channel; a plurality of water distribution tubes which extend downwards under the ground vertically are arranged inside the channel; a water drain tube which is communicated with a river is arranged inside the plain soil backfill layer; the water distribution tube comprises a water inlet and a water outlet; the water outlet is communicated with the water drain tube; a plurality of water guide holes for draining off ponding water are formed in positions on the ground, of the water distribution tube. The ponding water can be fed into the water drain tube from the water inlet of the water distribution tube and is discharged into the river from the water drain tube, so that the water drain pressure of the channel can be alleviated; the ponding water inside the channel can be further discharged into the water distribution tube through the water guide holes, and meanwhile a part of the ponding water can be absorbed by the plain soil backfill layer, so that the amount of the ponding water can be reduced, and the influence of the ponding water on a pavement and a roadbed can be alleviated.

Description

Ecological side drain

Technical field

The present invention relates to field of road, more particularly to a kind of ecological side drain.

Background technology

Gutter is provided in the toe outside of cut subgrade outside or low embankment, is used to collect and excludes in the range of roadbed With longitudinal ditch of a small amount of surface water for flowing to roadbed, present most domestic highway cutting gutter is using rectangle or trapezoidal Mortaring side drain.

It is poor for visual sense of beauty of driving a vehicle although mortaring side drain construction is relatively easy, therefore people design Ecological side drain, ecological side drain is on the basis of highway drainage function is met, with reference to the theory of ecological protection, to suit measures to local conditions, with The topography and geomorphology of informer, natural circular phase are coordinated, to build more preferable highway driving environment.

At present, the Chinese patent of Publication No. CN205313950U discloses a kind of ecological side drain with purification function, It includes collecting the ecological side drain body of pavement runoff, and the upside of the ecological side drain body is water inlet, and bottom is provided with catchments System, the gully-hole of the collecting system is arranged on the bottom of ecological side drain body and in face of ecological side drain body water (flow) direction cloth If the ecological side drain body is sequentially provided with planting soil layer, boulder bed, vermiculite layers and metalling from water inlet to apopore.

Although this ecological side drain with purification function can to a certain extent reduce influence of the pollutant to Natural Water, Protection water body environment and saving water resource, but because it carries out draining by ditch body, when precipitation is more, it is subject to The limitation of drainage speed, ecological side drain has little time draining can be overflowed ponding, and road pavement is impacted.

The content of the invention

It is an object of the invention to provide a kind of ecological side drain, its have can draining rapidly, be difficult to form more ponding pair Road produces the advantage of influence.

Above-mentioned technical purpose of the invention technical scheme is that：

A kind of ecological side drain, including ditch body, the ditch body include plain earthen backfill layer, and depression forms ditch to plain earthen backfill layer downwards Road, is provided with some water distributors that vertically below ground extends in raceway groove, be communicated with to river in plain earthen backfill layer Drainpipe, water distributor includes water inlet and delivery port, and its delivery port is connected with drainpipe, and water distributor is located at position more than ground Several are provided with for the water-guiding hole of ejectment ponding.

Be arranged such, water level of the rainwater in ecological side drain is gradually increasing during rainfall, when precipitation is smaller, rainwater first from The water-guiding hole that the side of water distributor is set is entered in water distributor, then to discharge in surrounding soil from seepage mouth, precipitation is gradually During increase, the rainwater for collecting can enter in drainpipe from the water inlet of water distributor, and be discharged into river from drainpipe, Reduce the discharge pressure of raceway groove, it is larger in precipitation and drainpipe is overflowed when cannot be discharged to ponding, the product in ditch body Water water level is raised, and whole ditch body can be as the discharge-channel of rainwater, while plain earthen backfill layer can also absorb a part of product Water, so as to further increase the speed of draining, reduces the amount of ponding, reduces the influence that ponding road pavement and roadbed are produced.

Further set：The water distributor is provided with rain cap, and rain cap is by some fix bars around water distributor setting It is fixed on water inlet.

It is arranged such, because the water inlet of water distributor is directed towards what top was set, therefore easily has stone when in use, falls The impurity such as leaf enter water distributor from water inlet, can cause the blocking of water distributor and drainpipe, set rain cap can by stone and Fallen leaves are blocked in outside water inlet, and be separated by a distance for rain cap and water inlet by the setting of fix bar, such without prejudice to water inlet The drainage effect of mouth.

Further set：On the drainpipe several seepage mouths are provided with along its bearing of trend.

It is arranged such, when precipitation is larger, when ponding is excessive in drainpipe, all ponding are all entered in river can be caused Over-burden in river, easily causes flood, therefore seepage mouth is opened up on drainpipe can make ponding be discharged into river So as to share the pressure of most of ponding discharge, and can also be carried for soil layer to being oozed out in soil layer by seepage mouth in way Supply water and divide, keep the wettability of soil.

Further set：Two rows of Symmetrical vertical face setting, two row's seepage mouths are distributed with along drainpipe for the seepage mouth Between constitute 120 ° of angles.

It is arranged such, when precipitation is larger, a little silt is had unavoidably and enters drainpipe from water inlet, if seepage mouth The underface of drainpipe is arranged on, these silts can block seepage mouth after long-time use, the obstruction for causing drainpipe to seep water, Seepage mouth is arranged to two symmetrical rows and 120 ° of angles are formed, Sediment Siltation can be made in the bottom of pipeline, oozed in without prejudice to Extend the service life of seepage mouth on drainpipe in the case of mouth of a river infiltration effect.

Further set：At least three layers GSZ are coated with outside the seepage mouth and water-guiding hole.

Be arranged such, because seepage mouth is embedded in soil, and the plain earthen backfill layer of water-guiding hole distance is relatively near, precipitation compared with Silt outside when many is easily accessible in water-guiding hole, causes the blocking of water-guiding hole, hinders the drainage effect of whole ecological side drain, because This sets at least three layers GSZ can prevent silt from hindering water-guiding hole and seepage mouth, reach more good using effect.

Further set：If the ditch body is provided with dried layer anti-seepage geotextile near the roadbed side of highway.

It is arranged such, because plain earthen backfill layer can absorb significant portion of ponding, therefore plain earthen backfill layer often keeps wet Profit, and excessive moisture can corrode roadbed, cause the damage of roadbed, therefore anti-seepage geotextile is set between roadbed and ditch body Can prevent the ponding in plain earthen backfill layer from corroding roadbed, prevent the damage of roadbed.

Further set：Filter layer is coated with the discharge outlet of the water distributor.

It is arranged such, precipitation is excessive and is easily carried when forming the ponding of high water level in channels, in ponding excessive Sandstone, now ponding easily cause the blocking of pipeline from water inlet into excessive silting can be caused in drainpipe, if Putting filter layer can stop outside these silts, so as to extend the time of draining blockage, increase its service life.

Further set：The seepage mouth is set in truncated conical shape, and the big one end of its diameter is centrally disposed near water distributor.

It is arranged such, due to needing from pipeline to outside draining, seepage mouth is arranged into truncated conical shape can be certain Seeped water in pipeline in reduction soil layer in degree, while pressure when can increase draining at seepage mouth, so as to increase draining Effect.

Further set：The drainpipe is bellows, and seepage mouth is located on the crest of bellows.

It is arranged such, drainpipe is bellows, the water in pipe can first full of the hole at crest, and seepage mouth is located at ripple Peak, to exosmosis in the presence of hydraulic pressure, the seepage mouth at crest is conducive to the discharge of internal moisture to the water in soakaway trench, And the entrance of extraneous water can be to a certain extent prevented, secondly the ripple struction of bellows effectively raises its outer pressure Degree.

Preferably, the surface of the raceway groove is provided with greening belt.

It is arranged such, on the one hand setting for greening belt can increase the environment protecting in whole city, on the other hand can be with Optimize the environment of highway, the driving experience of Improving Public, while the plant in greenbelt can consume substantial amounts of ponding, reaches To more good drainage effect.

In sum, the invention has the advantages that：

When precipitation is smaller, the water-guiding hole that rainwater is first set from the side of water distributor is entered in water distributor, then from seepage mouth Discharged in surrounding soil, when precipitation gradually increases, the rainwater for collecting can be discharged into river from drainpipe, in precipitation Amount is larger and drainpipe is overflowed when cannot be discharged to ponding, whole ditch body can as the discharge-channel of rainwater so that Further increase the speed of draining, reduce the amount of ponding, reduce the influence that ponding road pavement and roadbed are produced.

Brief description of the drawings

Fig. 1 is the structural representation of embodiment 1；

Fig. 2 is the profile at A-A；

Fig. 3 is the profile of drainpipe.

In figure, 1, ditch body；2nd, plain earthen backfill layer；21st, raceway groove；3rd, water distributor；31st, water inlet；32nd, delivery port；33rd, lead Water hole；34th, rain cap；35th, fix bar；36th, filter layer；4th, drainpipe；41st, seepage mouth；5th, GSZ；6th, anti-seepage geotextile； 7th, crest；8th, belt is afforested.

Specific embodiment

The present invention is described in further detail below in conjunction with accompanying drawing.

Embodiment 1：A kind of ecological side drain, as shown in figure 1, it includes ditch body 1, the left side of ditch body 1 is roadbed, roadbed Top is road surface, if being provided with dried layer anti-seepage geotextile 6 between roadbed and ditch body 1, because water content is more in ditch body 1, is prevented The setting for oozing geotextiles 6 can prevent the water penetration in ditch body 1 from entering in roadbed to cause the damage of roadbed.

As shown in figure 1, the centre position of ditch body 1 forms the raceway groove 21 of arc to lower recess, one can be saved bit by bit in raceway groove 21 Quantitative ponding and discharged along the direction of raceway groove 21, raceway groove 21 is provided centrally with some water distributors 3, the ditch sheet of water distributor 3 The lower section of body 1 extends, and the upper end of water distributor 3 is water inlet 31, and lower section is delivery port 32, and the bottom of ditch body 1 is embedded with drainpipe 4, the delivery port 32 of water distributor 3 is connected with drainpipe 4.

As depicted in figs. 1 and 2, the top of water distributor 3 is provided with rain cap 34, and rain cap 34 is some by what is set around water inlet 31 Root fix bar 35 is fixed on the top of water inlet 31, and rain cap 34 can prevent the impurity such as fallen leaves to be directly entered water inlet 31, cause The blocking of water distributor 3 and drainpipe 4, water distributor 3 is located on the position of the top of raceway groove 21 and is provided with several water-guiding holes 33, works as product The amount of water can enter in water distributor 3 when being not enough to flood water inlet 31 from water-guiding hole 33, and the discharge outlet for passing through bottom Discharge, water-guiding hole 33 is coated with least three layers GSZ 5, can prevent the silt of surrounding from blocking water-guiding hole 33, water inlet Filter layer 36 is provided with 31, debris can be isolated.

Referring to Fig. 1 and Fig. 2, drainpipe 4 is extended in river, and two row's seepage mouths 41 are additionally provided with thereon, and seepage mouth 41 is symmetrical Set, and the angle constituted between them is 120 °, while leaving space in the bottom of drainpipe 4, can be used to the mud that deposits Sand, prevents the blocking of seepage mouth 41, and outer with water-guiding hole 33 identical, the outside of seepage mouth 41 is coated with least three layers GSZ 5, can To prevent the clogging seepage mouth 41 of the silt in soil layer.

As depicted in figs. 1 and 2, the surface of plain earthen backfill layer 2 is provided with greening belt 8, and plain earthen backfill layer 2 can absorb big The ponding of amount, and the absorption that the plant afforested in belt 8 can also be aided in it, plain earthen backfill layer 2, row is passed through by water The drainage of water pipe 4 and infiltration are acted on, it becomes possible to reach good drainage effect, it is not easy to save bit by bit substantial amounts of ponding, are reduced The damage of ponding road pavement.

Referring to Fig. 1 and Fig. 2, drainpipe 4 is bellows, and seepage mouth 41 is located on the crest 7 of bellows, can at crest 7 Accumulate more water, ponding can form larger pressure and be discharged from seepage mouth 41, it is in round platform that seepage mouth 41 is overall Shape, its section is trapezoidal, and the small one end of the diameter of seepage mouth 41 is set towards soil layer, can so prevent to a certain extent Soil layer reclaimed water is flowed in drainpipe 4.

When precipitation is larger, can accumulate in raceway groove 21 now and form current, then by water-guiding hole 33 and water inlet 31 enter in drainpipe 4 ponding from water distributor 3, are entered in river ponding by drainpipe 4, while oozing in drainpipe 4 The mouth of a river 41 penetrates into most of ponding in soil layer, further reduces stockpiling for ponding, reaches more good drainage effect.

The above embodiments are only explanation of the invention, and it is not limitation of the present invention, people in the art Member can make the modification without creative contribution to the present embodiment as needed after this specification is read, but as long as at this All protected by Patent Law in the right of invention.

Claims

1. a kind of ecological side drain, including ditch body（1）, it is characterised in that：The ditch body（1）Including plain earthen backfill layer（2）, element Earthen backfill layer（2）Depression forms raceway groove downwards（21）, raceway groove（21）Inside it is provided with some cloth that vertically below ground extends Water pipe（3）, plain earthen backfill layer（2）Inside it is communicated with to the drainpipe in river（4）, water distributor（3）Including water inlet（31）With go out The mouth of a river（32）, its delivery port（32）With drainpipe（4）Connection, water distributor（3）Position more than ground is provided with several use In the water-guiding hole of ejectment ponding（33）.

2. ecological side drain according to claim 1, it is characterised in that：The water distributor（3）It is provided with rain cap（34）, rain cap （34）By around water distributor（3）The some fix bars for setting（35）It is fixed on water inlet（31）On.

3. ecological side drain according to claim 1, it is characterised in that：The drainpipe（4）On set along its bearing of trend There are several seepage mouths（41）.

4. ecological side drain according to claim 3, it is characterised in that：The seepage mouth（41）Along drainpipe（4）Distribution There are two rows that Symmetrical vertical face is set, two row's seepage mouths（41）Between constitute 120 ° of angles.

5. ecological side drain according to claim 4, it is characterised in that：The seepage mouth（41）And water-guiding hole（33）Wrap outward It is covered with least three layers GSZ（5）.

6. ecological side drain according to claim 1, it is characterised in that：The ditch body（1）Near the roadbed side of highway If being provided with dried layer anti-seepage geotextile（6）.

7. ecological side drain according to claim 6, it is characterised in that：The water distributor（3）Discharge outlet on be coated with Filtering layer（36）.

8. ecological side drain according to claim 3, it is characterised in that：The seepage mouth（41）Set in truncated conical shape, its The big one end of diameter is near water distributor（3）It is centrally disposed.

9. ecological side drain according to claim 8, it is characterised in that：The drainpipe（4）It is bellows, seepage mouth（41） Positioned at the crest of bellows（7）On.

10. ecological side drain according to claim 1, it is characterised in that：The raceway groove（21）Surface be provided with greening belt （8）.