CN107829482A - A kind of large-scale karst depression flood drainage system and its method of drainning off floodwaters - Google Patents
A kind of large-scale karst depression flood drainage system and its method of drainning off floodwaters Download PDFInfo
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- CN107829482A CN107829482A CN201711271657.1A CN201711271657A CN107829482A CN 107829482 A CN107829482 A CN 107829482A CN 201711271657 A CN201711271657 A CN 201711271657A CN 107829482 A CN107829482 A CN 107829482A
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- depression
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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
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
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Abstract
The invention discloses a kind of large-scale karst depression flood drainage system and its method of drainning off floodwaters, including Cut-off ditch and tidal channel, Cut-off ditch is arranged on depression side slope or slope top, and tidal channel is arranged on depression and is interconnected with Cut-off ditch, and tidal channel is communicated to the sinkhole on depression.The present invention sets interconnected Cut-off ditch and tidal channel in karst depression in mima type microrelief landforms, tidal channel drains into water in karst depression in leak hole, Cut-off ditch plays a part of to collect rainfall rainwash, tidal channel, which rises, to be collected, dredge the effect of flowing water, Karst Mountain rainfall can effectively be slowed down soil erosion is caused to surface erosion, the effect that rainfall flowing water avoids occurring in karst depression waterlogging and Secondary Geological Hazards is dredged simultaneously, it is plentiful that the present invention is applied to rainfall, and the large-scale karst depression that ground unit is complicated, engineering-built is easy, cost is relatively low, it is easily managed maintenance.
Description
Technical field
The present invention relates to a kind of large-scale karst depression flood drainage system and its method of drainning off floodwaters, belong in large-scale karst depression and drain off floodwaters
Technical field.
Background technology
Karst depression is the common negative land form in the karst area formed under corrosion, by peak cluster positive form and funnel-form
What negative land form common combination was formed.Radius scale can be also formed in the area that karst is developed by force to reach hundreds of meters, or even has 1~2
The large-scale depression of kilometer.This kind of depression is typically under strong vertical circulation effect, caves in what is formed by cavern.In low-lying area
Widely distributed in ground to have a large amount of molten Study on Rock that collapse, depression bottom then deposits thicker clay layer.Moreover, it is hollow in large-scale karst
The rubble collapse deposit area formed recently, and the high slope area being made up of the peak cluster mountain ridge in ground also be present.This causes large-scale
Extremely complex ground unit interface and different microreliefs are then constituted in karst depression.Under condition of raining, rainwater passes through
Different ground units is pooled to depression bottom, and is drained by sinkhole to underground underground river system.Due to large-scale karst depression face
The catchment area of the larger each ground unit of product is different, and the rainwash formed after rainfall is also different.Especially for the pine in depression
Dissipate accumulation area and easily cause soil erosion under Rainfall simulator erosion.At present, drainning off floodwaters in face of this kind of large-scale karst depression complicated landform
Preventing waterlogging, there has been no the technology of maturation for disposal facility.
The content of the invention
The technical problem to be solved in the present invention is：A kind of large-scale karst depression flood drainage system and its method of drainning off floodwaters are provided, with
Solve present in prior art in large-scale karst depression due to rainfall cause in depression table soil wash away cause soil erosion with
And depression waterlogging problem.
The technical scheme that the present invention takes is：A kind of large-scale karst depression flood drainage system, including Cut-off ditch and tidal channel, cut
Great Gulch is arranged on depression side slope or incompact-deposit bodies top, and tidal channel is arranged on depression and is interconnected with Cut-off ditch, drained off floodwaters
Ditch is communicated to the sinkhole on depression.
Preferably, above-mentioned Cut-off ditch section is trapezium structure.
Preferably, above-mentioned tidal channel is rectangular configuration.
Preferably, drop step is provided with above-mentioned tidal channel, to play energy dissipating flowing water, alleviates washing away for insulated stream
Effect.
Preferably, tenon is provided with above-mentioned tidal channel, to play energy dissipating flowing water, alleviates the work washed away of insulated stream
With.
Preferably, above-mentioned Cut-off ditch and tidal channel are built by laying bricks or stones using stone masonry and formed, and its outer surface is provided with concrete and wiped one's face
Layer.
A kind of method of drainning off floodwaters of large-scale karst depression flood drainage system, this method comprise the following steps：
（1）Microgeomorphologyd in karst depression is determined, depression can be divided into peak cluster side slope area, depression sloped region, depression gentle slope
Area, karst depression is divided into by multiple charge for remittance cellular zones according to hypsography in zoning and watershed；
（2）According to the position of multiple charge for remittance cellular zone areas and mima type microrelief condition selection Cut-off ditch, select on depression peak cluster side
Slope area and depression sloped region top set Cut-off ditch, and Cut-off ditch section is trapezoidal, Cut-off ditch cross-sectional width B1With height H1According to cut
Charge for remittance cellular zone catchment area where Great Gulch is calculated using the computational methods of small watershed crest discharge and obtained, according to depression gathering ground
The quantity of long-pending size increase and decrease Cut-off ditch, catchment area are less than 0.5km2One of Cut-off ditch is set, and catchment area is in 1km2Extremely
0.5km2Twice Cut-off ditch is set, and catchment area is more than 1km2Three Cut-off ditch are set；
（3）According to microrelief partitioning scenario in depression, the low-lying place in the sloped region of depression lays the row perpendicular to depression bottom
Great Gulch, tidal channel one end are connected with Cut-off ditch, and one end is connected with sinkhole, tidal channel rectangular cross-section, tidal channel width B2
With height H2Obtained according to connected Cut-off ditch size, i.e., tidal channel area of section is twice of Cut-off ditch, to meet draining need
Will；
（4）Tidal channel is located to set drop step or tenon more suddenly in the gradient, to play energy dissipating flowing water, alleviates washing away for insulated stream
Effect；
（5）Expand the original sinkhole entrance in depression, tidal channel is connected with sinkhole.
Beneficial effects of the present invention：Compared with prior art, effect of the invention is as follows：
（1）The present invention sets interconnected Cut-off ditch and tidal channel in karst depression in mima type microrelief landforms, tidal channel is by water
Drain into karst depression in leak hole, Cut-off ditch plays a part of to collect rainfall rainwash, and tidal channel, which rises, to be collected, dredges flowing water
Effect, can effectively slow down Karst Mountain rainfall and soil erosion is caused to surface erosion, while dredge rainfall flowing water and keep away
Exempt from the effect of generation waterlogging and Secondary Geological Hazards in karst depression, the present invention is plentiful suitable for rainfall, and ground unit is complicated
Large-scale karst depression, engineering-built is easy, and cost is relatively low, is easily managed maintenance；
（2）According to the fine cutting zonule of mima type microrelief landforms in large-scale karst depression, take and calculate public affairs suitable for small watershed flood peak
Formula, crest discharge corresponding to each region catchment area is calculated, and combine topography and geomorphology feature design Cut-off ditch and row in depression
Great Gulch section, rainfall will be collected and dredged into the original sinkhole in depression.
Brief description of the drawings
Fig. 1 is planar structure schematic diagram of the embodiment of the present invention；
Fig. 2 is karst depression block plan of the embodiment of the present invention；
Fig. 3 is Cut-off ditch schematic diagram of the embodiment of the present invention；
Fig. 4 is tidal channel schematic diagram of the embodiment of the present invention；
Fig. 5 is tidal channel tenon schematic diagram of the embodiment of the present invention；
Fig. 6 is tidal channel of embodiment of the present invention drop step schematic diagram.
Embodiment
Below in conjunction with the accompanying drawings and the present invention is described further specific embodiment.
Embodiment 1：As shown in Fig. 1 ~ Fig. 6, a kind of large-scale karst depression flood drainage system, including Cut-off ditch 1 and tidal channel 2,
Cut-off ditch 1 is arranged on depression side slope area or depression sloped region top, and tidal channel 2 is arranged on depression and interconnected with the phase of Cut-off ditch 1
Logical, tidal channel 2 is communicated to the sinkhole 3 on depression, and Cut-off ditch 1 plays a part of to collect rainfall rainwash, and tidal channel 2 plays remittance
Collect, dredge the effect of flowing water.
Preferably, above-mentioned Cut-off ditch 1 sets at least eight, and section is trapezium structure, and width B is in 600~1300mm, height
H is spent in 400~1000mm.
Preferably, above-mentioned tidal channel 2 sets at least four, and rectangular cross-section structure, width B is in 300~900mm, height
H is spent in 300~900mm.
Preferably, drop step 4 is provided with above-mentioned tidal channel 2, drop 4 high 400~450mm of step, to play energy dissipating
Flowing water, alleviate the effect washed away of insulated stream.
Preferably, tenon 5, tenon 5 high 90~100mm, spacing 150mm, to play energy dissipating are provided with above-mentioned tidal channel 2
Flowing water, alleviate the effect washed away of insulated stream.
Preferably, above-mentioned Cut-off ditch 1 and tidal channel 2 are built by laying bricks or stones using stone masonry forms, and its outer surface is provided with concrete and smeared
Surface layer.
A kind of method of drainning off floodwaters of large-scale karst depression flood drainage system, this method comprise the following steps：
（1）Microgeomorphologyd in karst depression is determined, depression can be divided into peak cluster side slope area, depression sloped region, depression gentle slope
Area, karst depression is divided into by multiple charge for remittance cellular zones according to hypsography in zoning and watershed；
（2）According to the position of multiple charge for remittance cellular zone areas and mima type microrelief condition selection Cut-off ditch, select on depression peak cluster side
Slope area and depression sloped region top set Cut-off ditch, and Cut-off ditch section is trapezoidal, Cut-off ditch cross-sectional width B1With height H1According to cut
Charge for remittance cellular zone catchment area where Great Gulch uses the computational methods suitable for small watershed crest discharge to calculate and obtained.According to depression
The size of catchment area can increase and decrease the quantity of Cut-off ditch, and catchment area is less than 0.5km2One of Cut-off ditch, catchment area are set
In 1km2To 0.5km2Twice Cut-off ditch is set, and catchment area is more than 1km2Three Cut-off ditch are set；
（3）According to microrelief partitioning scenario in depression, the low-lying place in the sloped region of depression lays the row perpendicular to depression bottom
Great Gulch.Tidal channel one end is connected with Cut-off ditch, and one end is connected with sinkhole, tidal channel rectangular cross-section, tidal channel width B2
With height H2Obtained according to connected Cut-off ditch size, i.e., tidal channel area of section is twice of Cut-off ditch, to meet draining need
Will；
（4）Tidal channel is located to set drop step or tenon more suddenly in the gradient；
（5）Expand the original sinkhole entrance in depression, tidal channel is connected with sinkhole.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all be contained
Cover within protection scope of the present invention, therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (7)
- A kind of 1. large-scale karst depression flood drainage system, it is characterised in that：Including Cut-off ditch（1）And tidal channel（2）, Cut-off ditch（1） It is arranged on depression side slope or incompact-deposit bodies top, tidal channel（2）It is arranged on depression and and Cut-off ditch（1）It is interconnected, row Great Gulch（2）The sinkhole being communicated on depression（3）.
- A kind of 2. large-scale karst depression flood drainage system according to claim 1, it is characterised in that：Cut-off ditch（1）Section is Trapezium structure.
- A kind of 3. large-scale karst depression flood drainage system according to claim 1, it is characterised in that：Tidal channel（2）For rectangle Structure.
- A kind of 4. large-scale karst depression flood drainage system according to claim 1, it is characterised in that：Tidal channel（2）Interior setting There is drop step（4）.
- A kind of 5. large-scale karst depression flood drainage system according to claim 1, it is characterised in that：Tidal channel（2）Interior setting There is tenon（5）.
- A kind of 6. large-scale karst depression flood drainage system according to claim 1, it is characterised in that：Cut-off ditch（1）With drain off floodwaters Ditch（2）Built by laying bricks or stones and formed using stone masonry, its outer surface is provided with concrete float coat.
- 7. according to a kind of method of drainning off floodwaters of any described large-scale karst depression flood drainage systems of claim 1-6, it is characterised in that： This method comprises the following steps：（1）Microgeomorphologyd in karst depression is determined, depression can be divided into peak cluster side slope area, depression sloped region, depression gentle slope Area, karst depression is divided into by multiple charge for remittance cellular zones according to hypsography in zoning and watershed；（2）According to the position of multiple charge for remittance cellular zone areas and mima type microrelief condition selection Cut-off ditch, select on depression peak cluster side Slope area and depression sloped region top set Cut-off ditch, and Cut-off ditch section is trapezoidal, Cut-off ditch cross-sectional width B1With height H1According to cut Charge for remittance cellular zone catchment area where Great Gulch is calculated using the computational methods of small watershed crest discharge and obtained, according to depression gathering ground The quantity of long-pending size increase and decrease Cut-off ditch, catchment area are less than 0.5km2One of Cut-off ditch is set, and catchment area is in 1km2Extremely 0.5km2Twice Cut-off ditch is set, and catchment area is more than 1km2Three Cut-off ditch are set；（3）According to microrelief partitioning scenario in depression, the low-lying place in the sloped region of depression lays the row perpendicular to depression bottom Great Gulch, tidal channel one end are connected with Cut-off ditch, and one end is connected with sinkhole, tidal channel rectangular cross-section, tidal channel width B2 With height H2Obtained according to connected Cut-off ditch size, i.e., tidal channel area of section is twice of Cut-off ditch；（4）Tidal channel is located to set drop step or tenon more suddenly in the gradient；（5）Expand the original sinkhole entrance in depression, tidal channel is connected with sinkhole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711271657.1A CN107829482A (en) | 2017-12-05 | 2017-12-05 | A kind of large-scale karst depression flood drainage system and its method of drainning off floodwaters |
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| CN201711271657.1A CN107829482A (en) | 2017-12-05 | 2017-12-05 | A kind of large-scale karst depression flood drainage system and its method of drainning off floodwaters |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110432083A (en) * | 2019-08-30 | 2019-11-12 | 贵州正业工程技术投资有限公司 | A kind of karst depression surface vegetation ecological restoration device and its restorative procedure |
| CN111236139A (en) * | 2020-02-17 | 2020-06-05 | 兰州交通大学 | Comprehensive treatment method for debris flow in catchment power area by water interception and drainage method |
| CN112031119A (en) * | 2020-09-03 | 2020-12-04 | 中铁二局集团有限公司 | Large-section flood discharge ditch for mountainous terrain and construction method thereof |
| CN113944223A (en) * | 2021-12-06 | 2022-01-18 | 中国地质科学院岩溶地质研究所 | Drought and flood disaster treatment method based on karst peak-cluster depression group water flow combined regulation and control |
| CN110432083B (en) * | 2019-08-30 | 2024-04-30 | 贵州正业工程技术投资有限公司 | Karst depression ground surface vegetation ecological restoration device and restoration method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105103843A (en) * | 2015-07-27 | 2015-12-02 | 中国科学院、水利部成都山地灾害与环境研究所 | Vegetation configuration method for preventing water and soil loss of mine dump of dry-hot valley |
| CN105369832A (en) * | 2015-12-08 | 2016-03-02 | 贵州正业工程技术投资有限公司 | Protective device for karst depression sinkhole |
| CN107401205A (en) * | 2017-08-09 | 2017-11-28 | 贵州正业工程技术投资有限公司 | A kind of karst depression rainfall utilizes system |
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2017
- 2017-12-05 CN CN201711271657.1A patent/CN107829482A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105103843A (en) * | 2015-07-27 | 2015-12-02 | 中国科学院、水利部成都山地灾害与环境研究所 | Vegetation configuration method for preventing water and soil loss of mine dump of dry-hot valley |
| CN105369832A (en) * | 2015-12-08 | 2016-03-02 | 贵州正业工程技术投资有限公司 | Protective device for karst depression sinkhole |
| CN107401205A (en) * | 2017-08-09 | 2017-11-28 | 贵州正业工程技术投资有限公司 | A kind of karst depression rainfall utilizes system |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110432083A (en) * | 2019-08-30 | 2019-11-12 | 贵州正业工程技术投资有限公司 | A kind of karst depression surface vegetation ecological restoration device and its restorative procedure |
| CN110432083B (en) * | 2019-08-30 | 2024-04-30 | 贵州正业工程技术投资有限公司 | Karst depression ground surface vegetation ecological restoration device and restoration method thereof |
| CN111236139A (en) * | 2020-02-17 | 2020-06-05 | 兰州交通大学 | Comprehensive treatment method for debris flow in catchment power area by water interception and drainage method |
| CN112031119A (en) * | 2020-09-03 | 2020-12-04 | 中铁二局集团有限公司 | Large-section flood discharge ditch for mountainous terrain and construction method thereof |
| CN113944223A (en) * | 2021-12-06 | 2022-01-18 | 中国地质科学院岩溶地质研究所 | Drought and flood disaster treatment method based on karst peak-cluster depression group water flow combined regulation and control |
| CN113944223B (en) * | 2021-12-06 | 2022-07-26 | 中国地质科学院岩溶地质研究所 | Drought and flood disaster treatment method based on karst peak-cluster depression group water flow combined regulation and control |
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