CN109113123B - Construction method of shallow-sinking road green belt - Google Patents
Construction method of shallow-sinking road green belt Download PDFInfo
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- CN109113123B CN109113123B CN201810464024.0A CN201810464024A CN109113123B CN 109113123 B CN109113123 B CN 109113123B CN 201810464024 A CN201810464024 A CN 201810464024A CN 109113123 B CN109113123 B CN 109113123B
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- green belt
- longitudinal
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- ditch
- infiltration
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Classifications
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03B—INSTALLATIONS OR METHODS FOR OBTAINING, COLLECTING, OR DISTRIBUTING WATER
- E03B3/00—Methods or installations for obtaining or collecting drinking water or tap water
- E03B3/02—Methods or installations for obtaining or collecting drinking water or tap water from rain-water
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G9/00—Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
- A01G9/02—Receptacles, e.g. flower-pots or boxes; Glasses for cultivating flowers
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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
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F15/00—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact
- E01F15/02—Continuous barriers extending along roads or between traffic lanes
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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
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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
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/108—Rainwater harvesting
Abstract
The invention provides a construction method of a shallow-sinking road green belt, and belongs to the field of road green construction. The whole earth surface of the green belt is 20-30mm lower than the adjacent road surface, and the contact part of the green belt and the road surface is isolated and enclosed by a sawtooth-shaped standing stone, so that the sawtooth ditch elevation of the sawtooth-shaped standing stone is flush with the green belt; arranging a longitudinal infiltration ditch which is narrow at the top and wide at the bottom and consists of gravels at the cross section position of the green belt 1/4-1/3 as a water storage main body, scattering adsorptive isolation layers consisting of patrinia scabiosaefolia at the bottom of the longitudinal infiltration ditch, and paving chemical fiber type filtering fabrics transversely in the longitudinal infiltration ditch at intervals of 3 meters; excavating small evaporation ponds which are 20cm deeper than the infiltration ditches and are connected together at the adjacent positions of the longitudinal infiltration ditches at intervals of 8-10 m in the longitudinal direction of the road, and filling the peripheral walls and the inside of the small evaporation ponds in a mode of porous bricks or non-cemented hollow-out garden woods; at the position connected with the small evaporation pond in the longitudinal infiltration ditch, the infiltration ditch sinks by 20cm and is embedded with a hollow concrete short pipe culvert of which the end is blocked by meshes. The structure can appropriately accumulate the initial rain and purify the initial rain through evaporation, and simultaneously avoid the initial rain from being mixed much.
Description
Technical Field
The invention relates to the field of road greening construction, belongs to a shallow-sinking type road greening belt construction method taking concrete measures in road and highway construction by a sponge city idea, and particularly relates to a shallow-sinking type road greening belt construction method.
Background
Road green belts are often used for dividing traffic flow, protrude out of a road surface in most cases, and are surrounded by standing stones or kerbs protruding out of the road surface and planted for greening to form an isolation structure protruding out of the ground surface integrally. The defects mainly lie in that: the unable greenbelt that gets into of converging of way table rainwater leads to earth to spill over the road surface pollution road surface easily when watering for the greenbelt simultaneously. Because of the problem of investment and expenditure, the green belts of the common roads or highways for dividing the traffic flow are less related to an internal drainage pipe network; in contrast, the central separation zone of the expressway and the first-class expressway has longitudinal drainage designed inside the separation zone due to structural durability.
With the rise of the concept of sponge cities, sunken squares, greenbelts and roads are increasingly being mentioned and tried. According to sponge city construction technical guidelines-low-impact development rainwater system construction, the sunken road green belt is designed to be 50-300mm lower than the ground surface by green belts on two sides of an urban road and a middle spacing green belt; the purpose is mainly as follows: the surface runoff is effectively reduced by means of the storage volume; dust is gathered and precipitated along with rainwater, and road surface dust is effectively collected; supplement underground water and save greening water. Because it sinks underground, it has the obvious drainage design characteristics: a drainage system is designed, and comprises an internal drainage pipe and an external overflow pipe; or designed with collecting and reusing measures including rain pipe/water reservoir and pump station. It is obvious that the underground drainage system becomes the standard configuration of the sunken road green belt because of worrying about the vegetation stage being submerged by water. However, the continuous underground drainage pipe network obviously improves the construction and maintenance cost, and meanwhile, the management is not smooth due to the crossing of two departments, namely gardens and municipal departments. The method has the advantages that the popularization difficulty of the sunken road green belt is high objectively, and meanwhile, after polluted initial rain on the road surface is converged into the sunken green belt, subsequent clean catchment water is inevitably mixed and exchanged with the polluted initial rain, so that the pollution is brought into a drainage pipe network by overflow, and the pollution interception effect of the sunken road green belt is reduced. Therefore, a balance needs to be found between the sunken road green belt and the conventional green belt protruding out of the road surface, and the initial rainwater containing the filthy substances in the road surface source can be properly stored in the road green belt space.
Disclosure of Invention
The invention provides a construction method of a shallow-sinking road green belt, and provides a construction method of a road green belt structure which can appropriately accumulate non-point source initial rain and avoid mixed emission of polluted initial rain.
The technical scheme adopted by the invention is as follows: the method comprises the following steps:
step 1, arranging a longitudinal infiltration ditch which is composed of gravels and is narrow at the top and wide at the bottom and serves as a water storage main body at the cross section position of a green belt 1/4-1/3, scattering adsorptive isolation layers composed of patrinia scabiosaefolia at the bottom of the longitudinal infiltration ditch, paving chemical fiber type filtering fabrics transversely of the longitudinal infiltration ditch at intervals of 3 m longitudinally on a road, and filling coarse sand into the longitudinal infiltration ditch by taking the filtering fabrics as the center;
step 2, trimming the whole earth surface of the green belt to be 20-30mm lower than the adjacent road surface, and isolating and enclosing the green belt by adopting sawtooth type standing stones at the contact part of the green belt and the road surface to ensure that the sawtooth ditch elevation of the sawtooth type standing stones is flush with the green belt;
step 3, trimming shallow trenches with the depth of 20-30mm on the transverse earth surface soil of the green belt to be connected to the longitudinal seepage trenches at intervals of 3 meters in the longitudinal direction of the road;
step 4, excavating small evaporation ponds which are 20cm deeper than the infiltration ditches and are connected together at the adjacent positions of the longitudinal infiltration ditches at intervals of 8-10 meters in the longitudinal direction of the road, and filling the peripheral walls and the interior of the small evaporation ponds in a mode of porous bricks or non-cemented hollow-out mode;
and 5, sinking the infiltration ditch by 20cm at the position connected with the small evaporation pond in the longitudinal infiltration ditch and embedding a hollow concrete short pipe culvert of which the end is blocked by meshes.
In the above technical scheme: the depth of the longitudinal infiltration ditch in the step 1 is 40-50cm, and the ground surface width of the longitudinal infiltration ditch is 1/5 of the ground surface width of a road green belt; the diameter of the concrete pipe culvert in the step 5 is 20-30cm, and the length of the concrete pipe culvert is 1-2 meters.
Through the technical scheme, the invention has the following effects: the whole earth surface of the green belt is 20-30mm lower than the adjacent road surface, and the periphery of the green belt is surrounded by sawtooth type standing stones which are convenient for dispersing and collecting water, so that the polluted road surface early rain is dispersed and collected to enter the green belt; the transverse shallow trench and the longitudinal seepage trench are convenient for collecting and conveying rainwater; the longitudinal infiltration ditch main body with the narrow upper part and the wide lower part is convenient for storing rainwater and occupies less planting soil; the soil shallow trench, the withered branches and leaves at the bottom of the infiltration trench, the filter fabrics implanted at intervals and the filled medium coarse sand are convenient for adsorbing pollutants; the hollow concrete pipe culvert of which the end is blocked by the mesh is convenient for enlarging the water storage capacity, and is sunk and embedded for facilitating drainage and preventing stagnation; the evaporation pond with porous bricks or hollow wood filling without glue in the peripheral wall and the interior is convenient for rainwater collection and evaporation discharge under the condition of ensuring safety. The more main effects are as follows: when the shallow-sinking type green belt is saturated by the rainwater of the initial rain, the subsequent relatively clean rainwater does not enter the water-saturated green belt for exchange because of no water head to the green belt, and can not be mixed with the polluted initial rain more, thereby reducing the environmental pollution. In short, the setting cost of the drainage pipe network of the sunken road green belt and the condition that the conventional protruded road surface green belt does not collect the initial rain are mainly avoided.
The invention is further illustrated below with reference to application examples.
The implementation steps of the invention are as follows:
step 1, arranging a longitudinal infiltration ditch which is composed of gravels and is narrow at the top and wide at the bottom and serves as a water storage main body at the cross section position of a green belt 1/4-1/3, scattering adsorptive isolation layers composed of patrinia scabiosaefolia at the bottom of the longitudinal infiltration ditch, paving chemical fiber type filtering fabrics transversely of the longitudinal infiltration ditch at intervals of 3 m longitudinally on a road, and filling coarse sand into the longitudinal infiltration ditch by taking the filtering fabrics as the center;
step 2, trimming the whole earth surface of the green belt to be 20-30mm lower than the adjacent road surface, and isolating and enclosing the green belt by adopting sawtooth type standing stones at the contact part of the green belt and the road surface to ensure that the sawtooth ditch elevation of the sawtooth type standing stones is flush with the green belt;
step 3, trimming shallow trenches with the depth of 20-30mm on the transverse earth surface soil of the green belt to be connected to the longitudinal seepage trenches at intervals of 3 meters in the longitudinal direction of the road;
step 4, excavating small evaporation ponds which are 20cm deeper than the infiltration ditches and are connected together at the adjacent positions of the longitudinal infiltration ditches at intervals of 8-10 meters in the longitudinal direction of the road, and filling the peripheral walls and the interior of the small evaporation ponds in a mode of porous bricks or non-cemented hollow-out mode;
and 5, sinking the infiltration ditch by 20cm at the position connected with the small evaporation pond in the longitudinal infiltration ditch and embedding a hollow concrete short pipe culvert of which the end is blocked by meshes.
The depth of the longitudinal infiltration ditch in the step 1 is 40-50cm, and the ground surface width of the longitudinal infiltration ditch is 1/5 of the ground surface width of a road green belt; the diameter of the concrete pipe culvert in the step 5 is 20-30cm, and the length of the concrete pipe culvert is 1-2 meters.
Claims (2)
1. A construction method of a shallow-sinking road green belt is characterized by comprising the following steps:
the method comprises the following steps:
step 1, arranging a longitudinal infiltration ditch which is composed of gravels and is narrow at the top and wide at the bottom and serves as a water storage main body at the cross section position of a green belt 1/4-1/3, scattering adsorptive isolation layers composed of patrinia scabiosaefolia at the bottom of the longitudinal infiltration ditch, paving chemical fiber type filtering fabrics transversely of the longitudinal infiltration ditch at intervals of 3 m longitudinally on a road, and filling coarse sand into the longitudinal infiltration ditch by taking the filtering fabrics as the center;
step 2, trimming the whole earth surface of the green belt to be 20-30mm lower than the adjacent road surface, and isolating and enclosing the green belt by adopting sawtooth type standing stones at the contact part of the green belt and the road surface to ensure that the sawtooth ditch elevation of the sawtooth type standing stones is flush with the green belt;
step 3, trimming shallow trenches with the depth of 20-30mm on the transverse earth surface soil of the green belt to be connected to the longitudinal seepage trenches at intervals of 3 meters in the longitudinal direction of the road;
step 4, excavating small evaporation ponds which are 20cm deeper than the infiltration ditches and are connected together at the adjacent positions of the longitudinal infiltration ditches at intervals of 8-10 meters in the longitudinal direction of the road, and filling the peripheral walls and the interior of the small evaporation ponds in a mode of porous bricks or non-cemented hollow-out mode;
and 5, sinking the infiltration ditch by 20cm at the position connected with the small evaporation pond in the longitudinal infiltration ditch and embedding a hollow concrete short pipe culvert of which the end is blocked by meshes.
2. The construction method of a shallow sinking road green belt as claimed in claim 1, wherein: the depth of the longitudinal infiltration ditch in the step 1 is 40-50cm, and the ground surface width of the longitudinal infiltration ditch is 1/5 of the ground surface width of a road green belt; the diameter of the concrete pipe culvert in the step 5 is 20-30cm, and the length of the concrete pipe culvert is 1-2 meters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810464024.0A CN109113123B (en) | 2018-05-15 | 2018-05-15 | Construction method of shallow-sinking road green belt |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810464024.0A CN109113123B (en) | 2018-05-15 | 2018-05-15 | Construction method of shallow-sinking road green belt |
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| Publication Number | Publication Date |
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| CN109113123A CN109113123A (en) | 2019-01-01 |
| CN109113123B true CN109113123B (en) | 2020-09-01 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090019127A (en) * | 2007-08-20 | 2009-02-25 | 한국건설기술연구원 | System of reverse drain gutter and construction method therewith |
| CN204139020U (en) * | 2014-10-08 | 2015-02-04 | 重庆电子工程职业学院 | Roadbed gutter Steaming structure |
| CN204626511U (en) * | 2015-02-11 | 2015-09-09 | 上海营邑城市规划设计有限公司 | A kind of environmental gutter structure for rainwater-collecting and utilization |
| CN205223787U (en) * | 2015-12-11 | 2016-05-11 | 江苏城市职业学院 | Greenery patches grass planting ditch |
| CN105735450A (en) * | 2016-02-19 | 2016-07-06 | 湖北文理学院 | Underground water storage method |
| CN207259888U (en) * | 2017-07-03 | 2018-04-20 | 威海市公路勘察设计院 | A kind of sponge urban road sinking greenbelt |
-
2018
- 2018-05-15 CN CN201810464024.0A patent/CN109113123B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20090019127A (en) * | 2007-08-20 | 2009-02-25 | 한국건설기술연구원 | System of reverse drain gutter and construction method therewith |
| CN204139020U (en) * | 2014-10-08 | 2015-02-04 | 重庆电子工程职业学院 | Roadbed gutter Steaming structure |
| CN204626511U (en) * | 2015-02-11 | 2015-09-09 | 上海营邑城市规划设计有限公司 | A kind of environmental gutter structure for rainwater-collecting and utilization |
| CN205223787U (en) * | 2015-12-11 | 2016-05-11 | 江苏城市职业学院 | Greenery patches grass planting ditch |
| CN105735450A (en) * | 2016-02-19 | 2016-07-06 | 湖北文理学院 | Underground water storage method |
| CN207259888U (en) * | 2017-07-03 | 2018-04-20 | 威海市公路勘察设计院 | A kind of sponge urban road sinking greenbelt |
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| CN109113123A (en) | 2019-01-01 |
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Effective date of registration: 20200805 Address after: 441053 Xiangyang City, Hubei province Xiangcheng District Long Road No. 296 Applicant after: HUBEI University OF ARTS AND SCIENCE Applicant after: DAQIAN ECOLOGY & ENVIRONMENT GROUP Co.,Ltd. Address before: 441053 Xiangyang City, Hubei province Xiangcheng District Long Road No. 296 Applicant before: HUBEI University OF ARTS AND SCIENCE |
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