CN114922277B - Sponge type side ditch structure for urban road - Google Patents
Sponge type side ditch structure for urban roadInfo
- Publication number
- CN114922277B CN114922277B CN202210613081.7A CN202210613081A CN114922277B CN 114922277 B CN114922277 B CN 114922277B CN 202210613081 A CN202210613081 A CN 202210613081A CN 114922277 B CN114922277 B CN 114922277B
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- China
- Prior art keywords
- side ditch
- type side
- sponge type
- retaining wall
- water
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Classifications
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
- E03F5/0401—Gullies for use in roads or pavements
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C11/00—Details of pavings
- E01C11/22—Gutters; Kerbs ; Surface drainage of streets, roads or like traffic areas
- E01C11/221—Kerbs or like edging members, e.g. flush kerbs, shoulder retaining means ; Joint members, connecting or load-transfer means specially for kerbs
- E01C11/222—Raised kerbs, e.g. for sidewalks ; Integrated or portable means for facilitating ascent or descent
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F3/00—Sewer pipe-line systems
- E03F3/02—Arrangement of sewer pipe-lines or pipe-line systems
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F3/00—Sewer pipe-line systems
- E03F3/04—Pipes or fittings specially adapted to sewers
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
- E03F5/0401—Gullies for use in roads or pavements
- E03F5/0404—Gullies for use in roads or pavements with a permanent or temporary filtering device; Filtering devices specially adapted therefor
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
- E03F5/06—Gully gratings
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/10—Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins
- E03F5/101—Dedicated additional structures, interposed or parallel to the sewer system
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/10—Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins
- E03F5/105—Accessories, e.g. flow regulators or cleaning devices
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/14—Devices for separating liquid or solid substances from sewage, e.g. sand or sludge traps, rakes or grates
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F2201/00—Details, devices or methods not otherwise provided for
- E03F2201/10—Dividing the first rain flush out of the stormwater flow
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/30—Flood prevention; Flood or storm water management, e.g. using flood barriers
Landscapes
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Sewage (AREA)
Abstract
The invention provides a sponge type side ditch structure for an urban road, which comprises a sponge type side ditch and a plurality of rainwater regulation units, wherein the sponge type side ditch is divided into a plurality of side ditch units by the rainwater regulation units, the rainwater regulation units comprise water storage devices, each water storage device comprises a water retaining wall component and a drain pipe, the water retaining wall component comprises a first water retaining wall and a second water retaining wall which are arranged at intervals in the extending direction of the sponge type side ditch, an overflow drain well with an open top is formed between the first water retaining wall and the second water retaining wall, overflow holes communicated with the sponge type side ditch are formed in the first water retaining wall and the second water retaining wall, a first drainage gradient consistent with the driving direction is formed at the ditch bottom of the sponge type side ditch, the drain pipe is laid at the bottom of the overflow drain well, and the drain pipe is communicated with an external water pipe through the through drain holes. The invention does not depend on the road cross section form and green land rate, and can meet sponge control indexes such as annual runoff total control rate and the like.
Description
Technical Field
The invention relates to the technical field of urban road sponge facilities, in particular to a sponge type side ditch structure for an urban road.
Background
In recent years, a sponge city of natural accumulation, natural permeation and natural purification is constructed, so that virtuous circle of urban rainwater accumulation, stagnation, permeation, purification, use and discharge is realized, the sponge city becomes a scientific choice of urban rainwater management in China, the pavement rainwater pollution degree is high, the sponge city is not suitable for being used as a recycling water source, and the main targets of urban road sponge design are determined to be accumulation, stagnation, purification and discharge.
In the prior art, the road land range is designed and controlled for meeting sponge design and control indexes such as the planned annual net flow total control rate, the pollutant total removal rate and the like, and a higher green land rate is needed for building facilities such as sinking green lands and ecological grass ditches, so that rainwater regulation and storage in red lines are realized, and the mode has high dependence on road cross section forms and green land rate. However, the green land rate of the road in the urban area is generally not high at present, so that the traditional urban road sponge facility has no construction condition.
In view of this, a sponge-type gutter structure for urban roads is proposed to solve or at least alleviate the above drawbacks.
Disclosure of Invention
The invention mainly aims to provide a sponge type side ditch structure for an urban road, which aims to solve the problems that in the prior art, the urban road sponge facility has high dependence on road cross section forms and green land rate, and sponge control indexes such as annual runoff total control rate and the like can not be met under the condition of insufficient greening rate.
In order to achieve the above object, the invention provides a sponge type side ditch structure for an urban road, which comprises a sponge type side ditch and a plurality of rainwater regulation units which are distributed at intervals along the extending direction of the sponge type side ditch, wherein the sponge type side ditch is divided into a plurality of side ditch units, each rainwater regulation unit comprises a water storage device, the sponge type side ditch is arranged at the transitional connection part between a pavement and a motor vehicle lane and extends along the extending direction of the motor vehicle lane,
The water storage device comprises a water retaining wall assembly and a drain pipe, wherein the water retaining wall assembly comprises a first water retaining wall and a second water retaining wall which are arranged at intervals along the extending direction of the sponge type side ditch, the first water retaining wall and the second water retaining wall extend upwards from the ditch bottom of the sponge type side ditch and are higher than the top of the sponge type side ditch, and an overflow drainage well with an opening at the top is formed between the first water retaining wall and the second water retaining wall;
The drain pipe is laid in the bottom of overflow formula drainage well, the wash port has been seted up on the lateral wall of overflow formula drainage well, the drain pipe is through running through wash port and outside rainwater pipeline intercommunication.
Preferably, each rainwater regulation unit further comprises a rainwater purification device, each rainwater purification device comprises a sewage interception box and a connection seepage pipe, the sewage interception boxes are fixed at the ditch bottom of the sponge type side ditch and are close to the second water retaining walls and are arranged on the inflow sides of the second water retaining walls, filter materials are filled in the sewage interception boxes, first communication holes for the connection seepage pipes to penetrate are formed in the side walls, close to the second water retaining walls, of the sewage interception boxes, second communication holes corresponding to the first communication holes are formed in the second water retaining walls, each connection seepage pipe comprises a water inlet end and a water outlet end which are arranged oppositely, the water inlet ends extend into the sewage interception boxes through the first communication holes, and the water outlet ends extend into the overflow type drainage wells through the second communication holes so as to drain purified water in the sewage interception boxes into the overflow type drainage wells through the connection seepage pipes.
Preferably, the rainwater purification device further comprises a mud settling chamber which is sunken downwards from the bottom of the sponge type side ditch, and the mud settling chamber is arranged between the second water retaining wall and the sewage interception box.
Preferably, the bottom of the sponge side ditch is sunken downwards to form a mounting groove matched with the sewage interception box, the sewage interception box is embedded in the mounting groove, and the depth of the mounting groove is smaller than that of the silt settling chamber.
Preferably, the connection infiltration pipe comprises an inner infiltration pipe and an outer infiltration pipe, the inner infiltration pipe is inserted into the sewage interception box by penetrating through the first communication hole, the outer infiltration pipe is communicated with the overflow drainage well by penetrating through the second communication hole, and the inner infiltration pipe is connected with the outer infiltration pipe through a movable joint.
Preferably, the inner permeation tube comprises a first end and a second end which are oppositely arranged, the first end penetrates into the dirt interception box through penetrating through the first communication hole, the first end is bent, so that the water inlet direction of the inner permeation tube is perpendicular to the water flow direction of the sponge side ditch, a tube cap is arranged at the first end, a plurality of tube holes which are communicated with the inner permeation tube are formed in the tube cap, and the second end is communicated with the outer permeation tube.
Preferably, the rainwater purification device further comprises a filter screen, and the filter screen is mounted on one side of the overflow hole, which is far away from the overflow drainage well.
The rainwater regulation and storage unit comprises a drainage device and a beam assembly, wherein the drainage device and the beam assembly are arranged above a sponge type side ditch, the beam assembly comprises a first beam and a second beam which are arranged at intervals along the extending direction of the sponge type side ditch, the first beam and the second beam are arranged along the transverse extension of the sponge type side ditch and are close to a second water blocking wall, the drainage device comprises a first rainwater grate, a second rainwater grate and a third rainwater grate which are spliced in sequence along the extending direction of the sponge type side ditch, the first rainwater grate is arranged on the tops of the first water blocking wall and the second water blocking wall and covers the top of an overflow type drainage well, one end of the second rainwater grate is arranged on the second water blocking wall, the other end of the second rainwater grate is arranged on the first beam, the second rainwater grate is arranged right above a mud settling chamber and covers the mud settling chamber, the first rainwater grate is arranged on the first end of the second water grate, and the other end of the second rainwater grate is arranged on the second water blocking wall and covers the other end of the second water grate.
The drainage device comprises a drainage device, a drainage device and a drainage system, wherein the drainage device comprises a drainage device and a drainage device, the drainage device further comprises a road cover plate assembly and a hollowed-out cover plate assembly, the road cover plate assembly comprises at least one first road cover plate and a second road cover plate which are arranged along the extending direction of a sponge type side ditch, the first road cover plate and a first rainwater grate are spliced along the extending direction of the sponge type side ditch, one end of the first road cover plate is arranged at the top of a first water retaining wall, the other end of the first road cover plate is arranged at the top of the sponge type side ditch, the second road cover plate and a third rainwater grate are spliced along the extending direction of the sponge type side ditch, the first end of the second road cover plate is arranged at the top of a second cross beam, the other end of the second road cover plate is arranged at the top of the sponge type side ditch, the hollowed-out cover plate assembly comprises at least one first hollowed-out cover plate and a second hollowed-out cover plate which are arranged along the extending direction of the sponge type side ditch, the first hollowed-out cover plate and the first side ditch are spliced along the extending direction of the sponge type side ditch, the second hollowed-out cover plate and the first water drain cover plate and the first slope and the second slope along the extending direction of the sponge type side ditch are arranged along the extending direction of the sponge type side ditch, and the first slope is provided with the first slope and the second slope cover plate is arranged along the first slope.
Preferably, the drainage device further comprises a plurality of standing curbs arranged between the sidewalk and the drainage device, the plurality of standing curbs are sequentially arranged along the extending direction of the sponge side ditch, the tops of the standing curbs are flush with the pavement of the sidewalk, and drainage slope surfaces are formed on the tops of the standing curbs from the sidewalk to the drainage device so that water on the sidewalk flows to the drainage device.
Compared with the prior art, the invention has the following beneficial effects:
The sponge type side ditch structure for the urban road comprises a sponge type side ditch and a plurality of rainwater regulation units which are sequentially distributed along the extending direction of the sponge type side ditch, wherein each rainwater regulation unit divides the sponge type side ditch into a plurality of side ditch units, each rainwater regulation unit comprises a water storage device, and the sponge type side ditch is arranged at a transition joint between a sidewalk and a motor vehicle lane and extends along the extending direction of the motor vehicle lane. Specifically, rainwater on a traffic lane and a sidewalk flows into the water storage device through the drainage device, is blocked by the first water retaining wall and the second water retaining wall and starts to store water, flows into the overflow drainage well through the overflow hole when the water level is higher than the overflow hole, and is discharged to an external rainwater pipeline through a drainage pipe paved in the overflow drainage well.
In addition, the stored rainwater is subjected to mud precipitation or dirt interception through the rainwater purification device and then is discharged to an external rainwater pipeline. The sponge type side communication can realize detention, accumulation, purification and discharge of the rainwater on the road surface without depending on the red line range green land of the road by utilizing the side ditch structure of the original road, and can meet the sponge index control requirements on the annual runoff total amount of the rainwater and the pollutant removal rate in the road catchment range through the water storage device and the rainwater purification device. The sponge type side ditch does not reduce the road quality standard, does not cause water trouble to the road base, does not influence the traffic safety and comfort of vehicles, and does not change the traditional road cross section form. The sponge side ditch has low construction cost, can be cast in situ, can be prefabricated and assembled, is simple and convenient to construct, and is simple in later management and maintenance.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a top view of a single gutter unit according to one embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view taken along the direction B-B in FIG. 1;
FIG. 3 is a schematic cross-sectional view of a single side channel unit along the channel bottom plane in one embodiment of the invention;
FIG. 4 is a schematic plan view of a sponge-type gutter according to an embodiment of the present invention;
FIG. 5 is a schematic cross-sectional view taken along the direction C-C in FIG. 4;
FIG. 6 is a schematic cross-sectional view taken along the direction D-D in FIG. 4;
fig. 7 is an enlarged schematic view at a in fig. 2.
The achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Reference numerals illustrate:
10. The device comprises a sponge type side ditch, 110, a first beam, 120, a second beam, 130, a standing stone, 20, a water storage device, 210, a first water retaining wall, 220, a second water retaining wall, 230, an overflow type drainage well, 240, an overflow hole, 250, a drainage pipe, 30, a rainwater purification device, 310, a sewage interception box, 311, an installation groove, 320, a connecting seepage pipe, 321, an inner seepage pipe, 3211, a first end, 3212, a second end, 322, an outer seepage pipe, 330, a mud settling chamber, 340, a filter screen, 40, a drainage device, 410, a first rainwater grate, 420, a second rainwater grate, 430, a third rainwater grate, 440, a first road cover plate, 450, a second road cover plate, 460 and a first hollow cover plate.
Detailed Description
It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear are used in the embodiments of the present invention) are merely for explaining the relative positional relationship, movement conditions, and the like between the components in a certain specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicators are changed accordingly.
Furthermore, the description of "first," "second," etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.
Referring to fig. 1-7, the sponge type side ditch structure for urban roads provided by the invention comprises a sponge type side ditch 10 and a plurality of rainwater regulation units (not shown) which are distributed at intervals along the extending direction of the sponge type side ditch 10, wherein the sponge type side ditch 10 is divided into a plurality of side ditch units (not shown), each rainwater regulation unit comprises a water storage device 20, and the sponge type side ditch 10 is arranged at the transition joint between a sidewalk and a motor vehicle lane and extends along the extending direction of the motor vehicle lane.
It should be noted that the width, height, etc. of the sponge type gutter 10 in the present application may be calculated and determined according to the catchment area of the half-width road, the comprehensive runoff coefficient, and the local rainfall corresponding to the planned annual runoff total control rate, and the structural strength of the sponge type gutter 10 needs to meet the requirements of vehicle dynamic load and road load, which is not described in detail herein, and is well known to those skilled in the art. It should be noted that the transitional connection part of the application can be a road facility belt, and can also be a reserved area between a pavement and a motor vehicle lane, and the reserved area can be specifically set according to actual needs.
The water storage device 20 comprises a water retaining wall assembly (not shown) and a drain pipe 250, wherein the water retaining wall assembly comprises a first water retaining wall 210 and a second water retaining wall 220 which are arranged at intervals along the extending direction of the sponge type side ditch 10, the first water retaining wall 210 and the second water retaining wall 220 extend upwards from the ditch bottom of the sponge type side ditch 10 and are higher than the top of the sponge type side ditch 10, an overflow drain well 230 with an open top is formed between the first water retaining wall 210 and the second water retaining wall 220, overflow holes 240 which are communicated with the sponge type side ditch 10 are formed in the positions, close to the top of the sponge type side ditch 10, of the first water retaining wall 210 and the second water retaining wall 220, a first drain gradient which is consistent with the driving direction of the motor vehicle lane is formed in the ditch bottom of the sponge type side ditch 10, the drain pipe 250 is arranged at the bottom of the overflow drain well 230, a drain hole (the drain hole 250 is formed in the side wall of the overflow drain well 230, which is not shown) is communicated with the outside of the water draining pipe (the drain hole is not shown).
In detail, unlike the prior art in which the drainage of the sponge type gutter 10 is directly conducted to the external rainwater pipeline through the drainage pipe 250, the water blocking wall assembly can block the water flow from directly flowing into the overflow drainage well 230 when the water flow is large in the present invention, so that the drainage pressure can be greatly relieved. Wherein, the water-retaining wall subassembly includes along the first water-retaining wall 210 and the second water-retaining wall 220 that the extending direction interval of sponge type side ditch 10 set up, first water-retaining wall 210 with the second water-retaining wall 220 is all followed the ditch bottom of sponge type side ditch 10 upwards extends and is higher than the top setting of sponge type side ditch 10, first water-retaining wall 210 with form open-top's overflow drainage well 230 between the second water-retaining wall 220, first water-retaining wall 210 with the second water-retaining wall 220 is close to the overflow hole 240 of side ditch 10 of intercommunication has all been seted up to the position at side ditch top.
It is to be understood that the first water-retaining wall 210 and the second water-retaining wall 220 are disposed higher than the top of the side ditch, so as to facilitate the installation of the grate assembly and the cover assembly described below. When the water flow is large, the road surface rainwater is preferentially accumulated in the sponge type side ditch, and the exceeding rainwater enters the overflow drainage well 230 through the overflow holes 240, so that the accumulation of the rainwater on the road surface can be greatly relieved, the drainage pressure is relieved, the rainwater exceeding the planned annual runoff total control rate is discharged out of the sponge type side ditch 10 through the overflow holes 240, and the position height of the overflow holes 240 can be calculated and set according to the control rate of the local annual runoff total. The first water-retaining wall 210 and the second water-retaining wall 220 may be one or more of various structures such as reinforced concrete, wood board, iron board, etc., and in a preferred embodiment, a reinforced concrete structure is adopted, and the reinforced concrete structure has the advantages of low construction cost, simple construction, on-site pouring, etc., and is a common construction structure in road construction.
In addition, the bottom of the sponge type side ditch 10 is provided with a first drainage slope consistent with the driving direction of the motor vehicle lane, the first drainage slope is a road longitudinal slope, and the slope is generally not less than 0.3% and is used for enabling water in the current unit to flow into the overflow hole drainage well in the corresponding unit, so that the first drainage slope can be set by a person skilled in the art according to actual needs. The drain pipe 250 is used for draining rainwater to the external rainwater pipeline, and it can be understood that when the water level of the sponge type gutter 10 is higher than the overflow hole 240, the excess rainwater flows into the overflow drain well 230 through the overflow hole 240, and then is drained to the external rainwater pipeline through the drain pipe 250 laid in the overflow drain well 230, so that the whole water in the sponge type gutter 10 is drained, and the control requirement on the annual runoff total amount of rainwater in the road water collecting range is satisfied.
In a preferred embodiment of the present invention, each rainwater storage unit further includes a rainwater purification device 30, the rainwater purification device 30 includes a sewage interception box 310 and a connection infiltration pipe 320, the sewage interception box 310 is fixed at a ditch bottom position of the sponge type side ditch 10, the sewage interception box 310 is disposed close to the second water blocking wall 220 and is disposed at an inflow side of the second water blocking wall 220, the sewage interception box 310 is filled with sand and gravel, a first communication hole (not shown) for the connection infiltration pipe 320 to penetrate is formed on a side wall of the sewage interception box 310 close to the second water blocking wall 220, a second communication hole (not shown) corresponding to the first communication hole is formed on the second water blocking wall 220, the connection infiltration pipe 320 includes a water inlet end (not shown) and a water discharge end (not shown) which are disposed oppositely, the water inlet end extends into the sewage interception box 310 through the first communication hole, the water discharge end extends into the overflow well 230 through the second communication hole, and the water interception box 230 is connected to the overflow well 230.
Specifically, the dirt intercepting box 310 is used for purifying the rainwater accumulated in the sponge type gutter 10, it is worth noting that the dirt intercepting box 310 can be preferably manufactured into a finished product, and can be replaced periodically along with the increase of the service time, the dirt intercepting box 310 can be made of high-strength plastic or stainless steel, and has the advantage of high water-resistant strength, the dirt intercepting box 310 is filled with filter materials, the filter materials can be other filter materials such as sandy cobble, quartz sand and ceramsite, and the cost and purified water are considered to be not directly used, and the sandy cobble is preferably adopted, so that the water intercepting box has the advantages of low cost and convenience in acquisition. Those skilled in the art can set the setting according to actual needs. It should be noted that, the first communication hole is disposed on a side wall surface of the sewage interception box 310, which is close to the second water retaining wall 220, for the water inlet end of the connection permeation tube 320 to penetrate therethrough, the second communication hole is disposed on the second water retaining wall 220 corresponding to the first communication hole, for the water outlet end of the connection permeation tube 320 to penetrate therethrough, so that the sewage interception box 310 is communicated with the overflow drain well 230 through the connection permeation tube 320, and the purified water in the sewage interception box 310 is drained into the overflow drain well 230 through the connection permeation tube 320.
As a preferred embodiment of the present invention, the rainwater purification unit 30 further includes a sludge chamber 330 recessed downward from the bottom of the sponge type side groove 10, and the sludge chamber 330 is disposed between the second water blocking wall 220 and the intercepting box 310. It will be appreciated that the silt chamber 330 is used for silt removal of rainwater retained in the sponge type gutter 10, the depth of the silt chamber 330 that is set in the downward recess from the bottom of the sponge type gutter 10 may be set according to actual needs, in a specific embodiment, the depth may be set to 0.3m, or may be other recess depth, and a specific value of the recess depth may be set by a person skilled in the art according to the calculation of the sponge type gutter 10.
Further, the bottom of the sponge side ditch 10 is recessed downward to form a mounting groove 311 matched with the sewage interception box 310, the sewage interception box 310 is embedded in the mounting groove 311, and the depth of the mounting groove 311 is smaller than that of the silt chamber 330. It will be appreciated that the water flow in the sponge-type side ditch 10 has a certain impact force on the sewage interception box 310, so that the installation groove 311 matched with the sewage interception box 310 is recessed downwards from the ditch bottom of the sponge-type side ditch 10 for firmly installing the sewage interception box 310, and the depth of the installation groove 311 is not too large in consideration of not affecting the normal use of the functions of the sewage interception box 310, preferably, the depth of the installation groove 311 is 0.05m, and can be other depths, which can be set according to practical needs by a person skilled in the art.
Further, the connecting infiltration pipe 320 includes an inner infiltration pipe 321 and an outer infiltration pipe 322, the inner infiltration pipe 321 is inserted into the sewage interception box 310 by penetrating through the first communication hole, the outer infiltration pipe 322 is communicated with the overflow drain well 230 by penetrating through the second communication hole, and the inner infiltration pipe 321 and the outer infiltration pipe 322 are connected by a movable joint (not shown). It should be noted that, the inner permeation tube 321 and the outer permeation tube 322 may be made of PE, plastic hose, stainless steel tube, etc., and in consideration of cost and installation difficulty, preferably, the inner permeation tube 321 is made of PE, and the outer permeation tube 322 is made of plastic hose, which has advantages of low cost, long service life, safety, sanitation, and convenient construction, and because the dirt interception box 310 is made of a finished product, the whole replacement of the dirt interception box 310 is convenient, the inner permeation tube 321 and the outer permeation tube 322 are connected by a movable joint clip, and when the dirt interception box 310 is replaced, the movable joint can be used for disassembling the inner permeation tube 321 to be replaced together with the dirt interception box 310.
Further, the inner permeation tube 321 includes a first end 3211 and a second end 3212 that are disposed opposite to each other, the first end 3211 extends into the sewage interception box 310 through penetrating through the first communication hole, and the first end 3211 is bent, so that the water inlet direction of the inner permeation tube 321 is perpendicular to the water flow direction of the sponge type side ditch 10, the first end 3211 is provided with a tube cap (not shown), a tube hole (not shown) for water inlet is formed in the tube cap, and the second end 3212 is communicated with the outer permeation tube 322. It can be appreciated that the first end 3211 is bent, so that the water inlet direction of the inner permeable pipe 321 is perpendicular to the water flow direction of the sponge type side ditch 10, and thus the surface filter material of the dirt interception box 310 can be washed during the rainwater converging process of the sponge type side ditch 10, so as to prolong the replacement period of the dirt interception box 310 and improve the dirt interception capability of the side ditch structure. It should be noted that, the first end 3211 is provided with a pipe cap, and the pipe cap is provided with a pipe hole for water to enter, so as to prevent the purified sludge residue in the sewage interception box 310 from being discharged into the overflow drain well 230 through the connection infiltration pipe 320.
As a preferred embodiment of the present invention, the rainwater purification apparatus 30 further includes a filter screen 340, and the filter screen 340 is installed at a side of the overflow hole 240 remote from the overflow drain well 230. It will be appreciated that the filter screen 340 is used to intercept the floating matters in the upper layer of the rainwater in the sponge type gutter 10, and the filter screen 340 is installed at the side of the overflow hole 240 away from the overflow drain 230 in order to prevent the floating matters from entering the overflow hole 240, thereby blocking the overflow hole 240 when the floating matters are excessively accumulated.
In a preferred embodiment of the present invention, the rainwater storage unit includes a drainage device 40 and a beam assembly (not shown) disposed above the sponge type gutter 10, where the beam assembly includes a first beam 110 and a second beam 120 arranged at intervals along the extending direction of the sponge type gutter 10, the first beam 110 and the second beam 120 are both disposed along the transverse direction of the sponge type gutter 10, the first beam 110 is disposed near the second water-retaining wall 220, the drainage device 40 includes a first rain grate 410, a second rain grate 420 and a third rain grate 430 sequentially spliced along the extending direction of the sponge type gutter 10, the first rain grate is disposed on the top of the first water-retaining wall 210 and the second water-retaining wall 220, and the second end of the second rain grate is disposed on the second water-retaining wall 220, the other end is disposed on the first beam 110, the second end is disposed on the second water-retaining wall 220, the second end is disposed on the second water-retaining wall 310, and the other end is disposed on the top of the second water-retaining wall 310.
It should be noted that, the beam assembly may be higher or lower than the water-retaining wall assembly, and in a preferred embodiment, the height of the beam assembly is consistent with the height of the water-retaining wall assembly higher than the top of the sponge type side ditch 10, so that the first rain grate 410, the second rain grate 420 and the third rain grate 430 may be spliced and installed smoothly along the extending direction of the sponge type side ditch 10, and are erected on the water-retaining wall assembly and the beam assembly. It will be appreciated that the rain grate is a common means for draining rain water to the gutter in the prior art, the surface of the rain grate is provided with a plurality of strip-shaped through holes for the rain water to directly flow into the gutter, the first rain grate 410, the second rain grate 420 and the third rain grate 430 may be made of cast iron, reinforced concrete, etc., and considering the convenience and cost of disassembly described later, preferably, the first rain grate 410, the second rain grate 420 and the third rain grate 430 are made of cast iron.
Further, the first rain grate 410, the second rain grate 420 and the third rain grate 430 are both detachable, the first rain grate 410 is covered above the overflow drain well 230, when the first rain grate 410 is opened, the residual sludge sand in the overflow drain well 230 can be removed, and the drain pipe 250 is dredged, the second rain grate is arranged above the mud settling chamber 330 and covered above the mud settling chamber 330, when the second rain grate 420 is opened, the residual sludge sand in the mud settling chamber 330 can be removed, and the third rain grate is arranged right above the sewage interception box 310 and covered above the sewage interception box 310, and when the third rain grate 430 is opened, the sewage interception box 310 can be taken out, and the filter material in the sewage interception box 310 can be washed, or the whole filter material can be directly replaced.
As a first preferred embodiment of the present invention, the drainage device 40 further comprises a road cover assembly (not shown) and a hollow cover assembly (not shown), wherein the road cover assembly comprises at least one first road cover 440 and a second road cover 450 arranged along the extending direction of the sponge type side ditch 10, the first road cover 440 and the first rain grate are spliced along the extending direction of the sponge type side ditch 10, a first end of the first road cover 440 is arranged at the top of the first water retaining wall 210, the other end of the first road cover 440 is arranged at the top of the sponge type side ditch 10, the second road cover 450 and the third rain grate 430 are spliced along the extending direction of the sponge type side ditch 10, a first end of the second road cover 450 is arranged at the top of the second cross beam 120, the other end of the hollow cover assembly is arranged at the top of the sponge type side ditch 10, the hollow cover 460 and the second hollow cover 460 are spliced along the extending direction of the sponge type side ditch 10, the first end of the first road cover 440 and the second road cover 450 are not shown, and the hollow cover 460 is arranged along the extending direction of the first slope of the sponge type side ditch 10, and the hollow cover 450 is arranged along the extending direction of the first slope of the first road cover 10.
It should be noted that, like the above-mentioned rain grate, the hollow cover plate assembly is a common means for draining rain water to the side ditch in the prior art, the surface of the hollow cover plate assembly is provided with a plurality of circular through holes for the rain water to flow into the sponge side ditch 10, and the road cover plate assembly is used as a road flat stone to provide comfort and safety for the running of the vehicle. The road cover plate assembly and the hollow cover plate assembly can adopt reinforced concrete, wood plates, iron plates and other structures, and the road cover plate assembly and the hollow cover plate assembly are preferably reinforced concrete structures in terms of cost and processing and manufacturing, and have the advantages of low construction cost and prefabrication and assembly.
Further, the first road cover plate 440 and the second road cover plate 450 may be multiple pieces, the first road cover plates 440 are spliced along the extending direction of the sponge type side ditch 10, and the second road cover plates 450 are spliced along the extending direction of the sponge type side ditch 10.
In addition, the first road cover 440 is provided with a second drainage gradient facing the first hollow cover 460, the second road cover 450 is provided with a third drainage gradient consistent with the direction of the second drainage gradient, so that water flows through the first hollow cover 460 and the second hollow cover to flow into the sponge type side ditch 10, it should be noted that the gradient of the second drainage gradient and the third drainage gradient may be inconsistent, the second drainage gradient and the third drainage gradient are generally set to not more than 0.3%, and the purpose of the setting is to provide a guiding effect for the flow direction of rainwater, therefore, in a preferred embodiment, the gradient is set to not more than 0.3%, and a specific value may be set as required by those skilled in the art.
Preferably, the drainage device further comprises a plurality of standing stones 130 arranged between the sidewalk and the drainage device 40, the plurality of standing stones 130 are sequentially arranged along the extending direction of the sponge-type side ditch 10, the tops of the standing stones 130 are flush with the pavement of the sidewalk, and a drainage slope (not shown) is formed on the tops of the standing stones 130 from the sidewalk to the drainage device 40 so that water on the sidewalk flows to the drainage device 40. It will be appreciated that the standing rim 130 is used for isolating the roadway from the pavement, a drainage slope is formed at the top of the standing rim 130 from the pavement to the drainage device 40, and rainwater on the pavement flows into the drainage device 40 through the drainage slope via the standing rim 130, so as to relieve the situation of water accumulation on the pavement.
The foregoing description is only of the preferred embodiments of the present invention, and is not intended to limit the scope of the invention, but rather is intended to cover any equivalents of the structures or equivalent processes disclosed herein or in the alternative, which may be employed directly or indirectly in other related arts.
Claims (7)
1. A sponge type side ditch structure for urban roads is characterized by comprising a sponge type side ditch and a plurality of rainwater regulation units which are distributed at intervals along the extending direction of the sponge type side ditch, wherein the sponge type side ditch is divided into a plurality of side ditch units, each rainwater regulation unit comprises a water storage device, the sponge type side ditch is arranged at a transition joint between a sidewalk and a motor vehicle lane and extends along the extending direction of the motor vehicle lane,
The water storage device comprises a water retaining wall assembly and a drain pipe, wherein the water retaining wall assembly comprises a first water retaining wall and a second water retaining wall which are arranged at intervals along the extending direction of the sponge type side ditch, the first water retaining wall and the second water retaining wall extend upwards from the ditch bottom of the sponge type side ditch and are higher than the top of the sponge type side ditch, and an overflow drainage well with an opening at the top is formed between the first water retaining wall and the second water retaining wall;
the drainage pipe is laid at the bottom of the overflow drainage well, a drainage hole is formed in the side wall of the overflow drainage well, and the drainage pipe is communicated with an external rainwater pipeline by penetrating through the drainage hole;
Each rainwater regulation unit further comprises a rainwater purification device, wherein the rainwater purification device comprises a sewage interception box and a connecting seepage pipe, the sewage interception box is fixed at the ditch bottom of the sponge type side ditch, is close to the second water retaining wall and arranged on the inflow side of the second water retaining wall, filter materials are filled in the sewage interception box, a first connecting hole for the connecting seepage pipe to penetrate is formed in the side wall, close to the second water retaining wall, of the sewage interception box, a second communicating hole corresponding to the first connecting hole is formed in the second water retaining wall, the connecting seepage pipe comprises a water inlet end and a water outlet end which are arranged oppositely, the water inlet end stretches into the sewage interception box through the first connecting hole, and the water outlet end stretches into the overflow drain well through the second communicating hole so as to drain purified water in the sewage interception box into the overflow drain well through the connecting seepage pipe;
The connecting seepage pipe comprises an inner seepage pipe and an outer seepage pipe, the inner seepage pipe is inserted into the sewage interception box by penetrating through the first communication hole, the outer seepage pipe is communicated with the overflow drainage well by penetrating through the second communication hole, and the inner seepage pipe is connected with the outer seepage pipe by a movable joint;
The inner seepage pipe comprises a first end and a second end which are oppositely arranged, the first end penetrates through the first communication hole to extend into the sewage interception box, the first end is bent, so that the water inlet direction of the inner seepage pipe is perpendicular to the water flow direction of the sponge side ditch, the first end is provided with a pipe cap, a plurality of pipe holes which are communicated with the inner seepage pipe are formed in the pipe cap, and the second end is communicated with the outer seepage pipe.
2. The sponge type side ditch structure for an urban road according to claim 1, wherein said rainwater purification device further comprises a sludge chamber recessed downwardly from a ditch bottom of said sponge type side ditch, said sludge chamber being provided between said second water blocking wall and said sewage interception box.
3. The sponge type side ditch structure for an urban road according to claim 2, wherein the bottom of the sponge type side ditch is recessed downwards with a mounting groove matched with the sewage interception box, the sewage interception box is embedded in the mounting groove, and the depth of the mounting groove is smaller than that of the silt chamber.
4. The sponge type gutter structure for urban roads according to claim 1, wherein the rainwater purification device further comprises a filter screen mounted at a side of the overflow hole remote from the overflow drain well.
5. The sponge type side ditch structure for an urban road according to claim 2, wherein said rainwater regulation unit comprises a drainage device and a cross beam assembly provided above said sponge type side ditch, wherein,
The beam assembly comprises a first beam and a second beam which are arranged at intervals along the extending direction of the sponge type side ditch, the first beam and the second beam are both arranged along the transverse extension of the sponge type side ditch, and the first beam is arranged close to the second water retaining wall;
The drainage device comprises a first rain grate, a second rain grate and a third rain grate which are spliced in sequence along the extending direction of the sponge type side ditch, wherein the first rain grate is erected on the tops of the first water retaining wall and the second water retaining wall and is covered above the overflow drainage well, one end of the second rain grate is erected on the second water retaining wall, the other end of the second rain grate is erected on the first cross beam, the second rain grate is right arranged on the mud settling chamber and is covered above the mud settling chamber, one end of the third rain grate is erected on the first cross beam, the other end of the third rain grate is erected on the second cross beam, and the third rain grate is arranged right opposite to the dirt intercepting box and is covered above the dirt intercepting box.
6. The sponge type side ditch structure for urban road according to claim 5, wherein said drainage device further comprises a road cover assembly and a hollowed-out cover assembly, wherein,
The road cover plate assembly comprises at least one first road cover plate and at least one second road cover plate which are arranged along the extending direction of the sponge type side ditch, wherein the first road cover plate and the first rainwater grate are spliced along the extending direction of the sponge type side ditch, one end of the first road cover plate is arranged at the top of the first water retaining wall, the other end of the first road cover plate is arranged at the top of the sponge type side ditch, the second road cover plate and the third rainwater grate are spliced along the extending direction of the sponge type side ditch, one end of the second road cover plate is arranged at the top of the second cross beam, and the other end of the second road cover plate is arranged at the top of the sponge type side ditch;
The hollow cover plate assembly comprises at least one first hollow cover plate and at least one second hollow cover plate which are arranged along the extending direction of the sponge type side ditch, the first hollow cover plate and the first road cover plate are spliced along the extending direction of the sponge type side ditch, the second hollow cover plate and the second road cover plate are spliced along the extending direction of the sponge type side ditch, the first road cover plate is provided with a second drainage gradient facing the first hollow cover plate, and the second road cover plate is provided with a third drainage gradient consistent with the second drainage gradient in direction so that water flows through the first hollow cover plate and the second hollow cover plate into the sponge type side ditch.
7. The sponge type side ditch structure for urban roads according to claim 5, further comprising a plurality of standing stones arranged between the sidewalk and the drainage device, wherein the plurality of standing stones are sequentially arranged along the extending direction of the sponge type side ditch, the tops of the standing stones are level with the pavement of the sidewalk, and drainage slopes are formed on the tops of the standing stones from the sidewalk to the drainage device so that water on the sidewalk flows forward to the drainage device.
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| CN202210613081.7A CN114922277B (en) | 2022-05-31 | 2022-05-31 | Sponge type side ditch structure for urban road |
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| CN202210613081.7A CN114922277B (en) | 2022-05-31 | 2022-05-31 | Sponge type side ditch structure for urban road |
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| CN114922277B true CN114922277B (en) | 2025-10-17 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115491946B (en) * | 2022-10-21 | 2023-07-21 | 中国电建集团昆明勘测设计研究院有限公司 | Rainwater quality-classifying recovery processing device for airport runway |
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| CN106245734A (en) * | 2016-07-29 | 2016-12-21 | 天津沃佰艾斯科技有限公司 | The urban road rainwater-collecting improved, the system of regulating and storing conserving greenery patches |
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| NL2022311B1 (en) * | 2018-12-24 | 2020-07-21 | Willemsen Infra B V | Gulley |
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| CN202031005U (en) * | 2011-01-27 | 2011-11-09 | 上海市政交通设计研究院有限公司 | Ecological drainage channel |
| CN106968320A (en) * | 2017-05-25 | 2017-07-21 | 江苏中路工程技术研究院有限公司 | It is a kind of to collect the linear drainage ditch for cutting dirty infiltration function |
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