CN208441050U - A kind of discharge structure in antiseep of artificial lake structure - Google Patents
A kind of discharge structure in antiseep of artificial lake structure Download PDFInfo
- Publication number
- CN208441050U CN208441050U CN201820983220.4U CN201820983220U CN208441050U CN 208441050 U CN208441050 U CN 208441050U CN 201820983220 U CN201820983220 U CN 201820983220U CN 208441050 U CN208441050 U CN 208441050U
- Authority
- CN
- China
- Prior art keywords
- weeper drain
- main
- drain
- antiseep
- weeper
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Retaining Walls (AREA)
Abstract
The utility model discloses the discharge structures in a kind of antiseep of artificial lake structure, including basal layer, the upper coarse sands layer, impervious barrier from bottom to top set gradually, it is characterized by: the basal layer is equipped with for by the weeper drain of underground water discharge lake body, the weeper drain cobble paving to be filled out.With the above mentioned technical proposal, compared with prior art, the utility model has the advantage that, and weeper drain is arranged below impervious barrier, aperture is not necessarily on impervious barrier, underground water is expelled directly out lake body through weeper drain, while avoiding lakebed anti-seepage geomembrane by underground water bursting, the integrality of impervious barrier is maintained, greatly strengthens its anti-seepage effect；Have many advantages, such as that good seepage-proof property, structure be simple, low cost, there is preferable promotional value.
Description
Technical field
The utility model relates to man-made lake construction applications, and in particular to the discharge structure in a kind of antiseep of artificial lake structure.
Background technique
Currently, under the geological conditions that basic infiltration coefficient is larger, velatively waterproof layer is deeper, domestic man-made lake tunneling boring
Antiseepage generally uses cohesive soil shop fixtures and shore protection；Or the horizontal leakage preventing method of geomembrane is spread using tunneling boring, it is pressed on geomembrane
Cover the sandy gravel lid weight of 150mm~200mm thickness.
The antiseepage of man-made lake tunneling boring according to cohesive soil shop fixtures structure, since the born head of lakebed is higher, therefore entire
Lake region large area antiseepage needs the sticky soil thickness of shop fixtures big, and it is big to will cause required cohesive soil earth volume, earth material acquisition it is difficult and
Cost is high；Using the structure of cohesive soil shop fixtures, advantage is can to keep lake water water quality in lakebed planting aquatic plants.
The antiseepage of man-made lake tunneling boring is according to the horizontal leakage preventing method for spreading geomembrane, to prevent root system of plant from puncturing coating materials,
Lakebed is unable to planting aquatic plants.Simultaneously as level of ground water has periodic liter in the lower support layer of spread geomembrane
Drop needs to avoid geomembrane by underground water bursting during level of ground water rises.
Chinese patent notification number CN201713837U, the day for announcing are on January 19th, 2011, entitled " lakebed antiseepage waterpower
The utility model patent of automatic control drainage exhaust device ", which disclose a kind of lakebed antiseepage waterpower self-control drainage exhaust device,
Including antiseepage film and valve pipe；Pedestal and wedge are provided on the outer surface of valve pipe lower half portion, antiseepage film is located at pedestal and wedge
Between；Valve tube top end cap has bonnet.Although the structure structure is simple, the Auto-drainage exhaust under antiseepage film can be realized well
Function, which needs the aperture on two cloth, one film, although the aperture by pedestal and wedge pinch seal, but can not
Accomplish watertight, once man-made lake area is big or drainage air valve setting quantity is more, water percolating capacity is also very considerable, because
This is not able to satisfy the requirement of lake region tunneling boring antiseepage.
Therefore, it is necessary to design one kind to can be suitably used for being highly permeable layer in lake region, that is, it is able to satisfy lake region tunneling boring antiseepage
It is required that and being avoided that the leakage preventing structure of underground water bursting under lakebed geomembrane envelope.
Utility model content
To solve the problems, such as that existing man-made lake drainage arrangement is not able to satisfy lake region tunneling boring antiseepage requirement in background technique, this
Utility model provides the discharge structure in a kind of antiseep of artificial lake structure, and specific technical solution is as follows:
Discharge structure in a kind of antiseep of artificial lake structure, including basal layer, the upper coarse sands layer from bottom to top set gradually
And antiseepage, the basal layer are equipped with for by the weeper drain of underground water discharge lake body, the weeper drain cobble paving to be filled out.
Below the weeper drain setting impervious barrier, aperture is not necessarily on impervious barrier, underground water is expelled directly out through weeper drain
Lake body maintains the integrality of impervious barrier, greatly strengthens its anti-seepage effect.
Preferably, the weeper drain includes the perforated pipe, boulder bed and nonwoven layer set gradually from inside to outside, and
The coarse sands layer of nonwoven layer side and lower section is set.
Since coarse sands layer infiltration coefficient is big, seepage flow is very fast in underground water coarse sands layer, therefore will be entirely artificial using coarse sands layer
Underground water within the scope of lake imports weeper drain, it can be ensured that ground water drainage it is unobstructed；Meanwhile coarse sands layer is also carried as filtering
Body is filtered underground water, and the hole of cobble gap, perforated pipe is avoided to be blocked by sundries, it is ensured that drainage channel it is unobstructed；In addition,
Coarse sands layer also has the function of preventing nonwoven layer from being punctured by sharp object.The nonwoven layer is used for boulder bed and coarse sands layer point
It opens, also has the function of drainage.The boulder bed because between cobble gap it is larger, as the drainage channel of french drain, have good
Drainage effect；When underground water water percolating capacity is larger, boulder bed can also save more infiltration, therefore can play the role of buffering.
When groundwater yield is larger, to prevent the channel drainage load of cobble backfill excessive, therefore the perforated pipe is added to mention
The drainage efficiency of high weeper drain；The perforated pipe added greatly reduces the cross dimensions of french drain, reduces the cutting depth of ground, section
French drain dosage is saved, its construct feasibility and economic and practical is improved.
Preferably, the weeper drain includes main weeper drain and time weeper drain, and the main weeper drain is along man-made lake
Long axis direction setting, the secondary weeper drain are connected to main weeper drain.
Main weeper drain and time weeper drain cooperate, and cover positive lake region, can collect underground water to the greatest extent.
Preferably, it is equipped with main perforated pipe in the main weeper drain, time perforated pipe is equipped in secondary weeper drain, wears for described time
The discharge outlet of the main perforated pipe connection of Kong Guanyu or secondary perforated pipe is located above main perforated pipe.
When groundwater yield is larger, to prevent the channel drainage load of cobble backfill excessive, therefore adds primary and secondary and wear
Hole pipe is to improve the drainage efficiency of primary and secondary weeper drain.Secondary perforated pipe is not connected to directly with main perforated pipe, but by secondary perforated pipe
End (discharge outlet) ride over above main perforated pipe, the water of secondary perforated pipe is discharged to main perforated pipe top by its discharge outlet, then
Hole through corresponding position on main perforated pipe enters main perforation tube side-by-side and goes out.Such design not only ensure that primary and secondary weeper drain
Drainage efficiency, also simplified construction needed for component (eliminating the connecting component between primary and secondary perforated pipe), reduce and be constructed into
This, reduces construction workload and difficulty of construction.
Preferably, the secondary weeper drain is distributed in the two sides of main weeper drain.
Preferably, the secondary weeper drain is equipped with multiple groups, and the spacing between two adjacent secondary weeper drain groups is 20-
40m。
Spacing between two adjacent secondary weeper drain groups is too narrow, then secondary weeper drain quantity is excessive, causes cost unrestrained
Take；Spacing between two adjacent secondary weeper drain groups is too wide, then the drainage effect it cannot be guaranteed that it catchments.
Preferably, the secondary weeper drain is consistent with the crest level of main weeper drain, the bottom elevation of the secondary weeper drain
Higher than the bottom elevation of main weeper drain.
Since underground water imports main weeper drain by numerous secondary weeper drains, because the circulation of this weeper drain is less than master
The bottom elevation of secondary weeper drain, is set higher than the bottom elevation of main weeper drain by weeper drain, and such design can reduce low
The cutting depth of ground improves construction feasibility and economic and practical；Further, since through-hole pipe is arranged in french drain center,
The bottom elevation of secondary weeper drain is set higher than to the bottom elevation of main weeper drain, so that the height of secondary through-hole pipe is higher than main lead to naturally
Kong Guan is smoothly collected to main through-hole pipe with the water in bowel frequency through-hole pipe.
Preferably, the gradient of the weeper drain is 0.5 ‰ -1 ‰, and is tilted down along water discharge direction.
Weeper drain slopes slightly downward, so that discharge structure is more easier to drain.
Preferably, the angle A between the main weeper drain and secondary weeper drain is 60-90 degree.
If primary and secondary weeper drain is vertical, the horizontal length of secondary weeper drain is smaller, more economical；Primary and secondary weeper drain it
Between angle A less than 90 degree then can avoid primary and secondary french drain water flow generate convection current.
Preferably, cobble bed course is additionally provided with above the impervious barrier.
The cobble bed course is used to that antiseepage film is avoided to be dropped the foreign matter into lake to poke.
Preferably, on the main perforated pipe and time perforated pipe, 6-10 hole is distributed with along its circumference in each section, perforation
Aperture is 10-30mm, and spacing is 80-120mm between section of perforating.
Preferably, the main perforated pipe caliber is 100-200mm, and the secondary perforated pipe caliber is 75-175mm.
Due to using above technical scheme, compared with prior art, the utility model is had the advantage that
1) the basis highly permeable layer that infiltration coefficient is larger, velatively waterproof layer is deeper in applicable entire lake region, lake region are anti-
Seeping must be using lakebed, the leakage preventing structure of bank slope tunneling boring antiseepage；Since weeper drain is provided entirely in below impervious barrier, impervious barrier
Upper to be not necessarily to aperture, underground water is expelled directly out lake body through weeper drain, maintains the integrality of impervious barrier, greatly strengthens its antiseepage
Effect.
2) since in the lower support layer of geomembrane, level of ground water has periodic lifting, draining is set under impervious barrier
French drain can avoid lakebed anti-seepage geomembrane by underground water bursting during level of ground water rises.
3) have many advantages, such as that good seepage-proof property, structure be simple, low cost, there is preferable promotional value.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of the main weeper drain of the utility model；
Fig. 3 is the structural schematic diagram of the utility model time weeper drain；
Fig. 4 is the structural schematic diagram of the utility model primary and secondary weeper drain intersection；
Fig. 5 is arrangement schematic diagram of the utility model primary and secondary weeper drain in lake region.
In figure:
1, basal layer, 2, upper coarse sands layer, 3, impervious barrier, 5, cobble bed course；
41, main weeper drain, 411, main perforated pipe, 412, main draining boulder bed, 413, main draining nonwoven layer, 414, master
Draining coarse sands layer, 42, secondary weeper drain, 421, secondary perforated pipe, 422, secondary draining boulder bed, 423, secondary draining nonwoven layer,
424, secondary draining coarse sands layer.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing.
As shown in Figure 1, the discharge structure in a kind of antiseep of artificial lake structure, including under the supreme basal layer 1 set gradually,
Upper coarse sands layer 2 and impervious barrier 3 further include the weeper drain being arranged on basal layer 1 and the cobble bed course above impervious barrier 3
5。
As shown in Figure 1-Figure 3, the weeper drain includes main weeper drain 41 and time weeper drain 42；Main weeper drain 41
Main perforated pipe 411, main draining boulder bed 412, main draining nonwoven layer 413 and main draining including setting gradually from inside to outside are thick
Layer of sand 414, secondary weeper drain 42 include secondary perforated pipe 421, the secondary draining boulder bed 422, secondary draining set gradually from inside to outside
Nonwoven layer 423 and time draining coarse sands layer 424.
As shown in Figure 1, the discharge outlet of the secondary perforated pipe 421 is located at main 411 top of perforated pipe.
As shown in Figures 2 and 3, the secondary weeper drain 41 is consistent with the crest level of main weeper drain 42, described draining
The bottom elevation of french drain 42 is higher than the bottom elevation of main weeper drain 41.
As shown in figure 5, the main weeper drain 41 is arranged along man-made lake long axis direction, and connect with the secondary weeper drain 42
Logical, the secondary weeper drain 42 is equipped with multiple groups, and the spacing between two adjacent secondary weeper drain groups 42 is 30m, and secondary draining is blind
Ditch 42 is distributed in the two sides of main weeper drain 41；Angle A between the main weeper drain 42 and secondary weeper drain 41 is 90 degree.
The impervious barrier 3 is two cloth of 400g/ ㎡, one membranous type composite geo-membrane；The main weeper drain 41 and time row's french drain 42
The gradient be 1 ‰, and tilted down along drainage direction；411 caliber of main perforated pipe is 150mm, the secondary perforated pipe 421
Caliber is 125mm；On the main perforated pipe 411 and time perforated pipe 422,8 holes are distributed with along its circumference in each section, perforation
Aperture is 20mm, and spacing is 100mm between section of perforating；The compactness of the basal layer 1 be not less than 0.93, and its surface without
The protrusions such as tree root, reed and rubble wedge angle.
Finally, it should be noted that above embodiments are only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that:
It is still possible to modify the technical solutions described in the foregoing embodiments, or part of technical characteristic is carried out etc.
With replacement；And these are modified or replaceed, various embodiments of the utility model technology that it does not separate the essence of the corresponding technical solution
The spirit and scope of scheme.
Claims (10)
1. the discharge structure in a kind of antiseep of artificial lake structure, including from bottom to top set gradually basal layer, upper coarse sands layer and
Impervious barrier, it is characterised in that: the basal layer is equipped with for by the weeper drain of underground water discharge lake body, the weeper drain to be used
Cobble paving is filled out.
2. the discharge structure in antiseep of artificial lake structure according to claim 1, it is characterised in that: the weeper drain packet
The perforated pipe, boulder bed and nonwoven layer set gradually from inside to outside is included, and the thick of nonwoven layer side and lower section is set
Layer of sand.
3. the discharge structure in antiseep of artificial lake structure according to claim 1 or 2, it is characterised in that: the draining is blind
Ditch includes main weeper drain and time weeper drain, and the main weeper drain is arranged along man-made lake long axis direction, and described draining is blind
Ditch is connected to main weeper drain.
4. the discharge structure in antiseep of artificial lake structure according to claim 3, it is characterised in that: the main weeper drain
It is interior to be equipped with main perforated pipe, it is equipped with time perforated pipe in secondary weeper drain, the secondary perforated pipe is connected to main perforated pipe or secondary perforated pipe
Discharge outlet be located above main perforated pipe.
5. the discharge structure in antiseep of artificial lake structure according to claim 4, it is characterised in that: the secondary weeper drain
It is distributed in the two sides of main weeper drain.
6. the discharge structure in antiseep of artificial lake structure according to claim 4 or 5, it is characterised in that: described draining
French drain is equipped with multiple groups, and the spacing between two adjacent secondary weeper drain groups is 20-40m.
7. the discharge structure in antiseep of artificial lake structure according to claim 4 or 5, it is characterised in that: described draining
French drain is consistent with the crest level of main weeper drain, and the bottom elevation of the secondary weeper drain is higher than the bottom elevation of main weeper drain.
8. the discharge structure in antiseep of artificial lake structure according to claim 1 or 2, it is characterised in that: the draining is blind
The gradient of ditch is 0.5 ‰ -1 ‰, and is tilted down along water discharge direction.
9. the discharge structure in antiseep of artificial lake structure according to claim 3, it is characterised in that: the main weeper drain
Angle A between secondary weeper drain is 60-90 degree.
10. the discharge structure in antiseep of artificial lake structure according to claim 1 or 2, it is characterised in that: the impervious barrier
Top is additionally provided with cobble bed course.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820983220.4U CN208441050U (en) | 2018-06-25 | 2018-06-25 | A kind of discharge structure in antiseep of artificial lake structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820983220.4U CN208441050U (en) | 2018-06-25 | 2018-06-25 | A kind of discharge structure in antiseep of artificial lake structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208441050U true CN208441050U (en) | 2019-01-29 |
Family
ID=65090668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820983220.4U Active CN208441050U (en) | 2018-06-25 | 2018-06-25 | A kind of discharge structure in antiseep of artificial lake structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208441050U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111254880A (en) * | 2020-01-20 | 2020-06-09 | 济南大学 | Water-gas separation type under-membrane drainage integrated system for horizontal impermeable layer of plain reservoir |
-
2018
- 2018-06-25 CN CN201820983220.4U patent/CN208441050U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111254880A (en) * | 2020-01-20 | 2020-06-09 | 济南大学 | Water-gas separation type under-membrane drainage integrated system for horizontal impermeable layer of plain reservoir |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106381914B (en) | A kind of efficient spiral concave herbaceous field for cutting down Runoff contaminants | |
| CN209660096U (en) | A kind of slope surface water and soil conservation device | |
| CN110005142A (en) | A kind of sponge city planted roof and siphon drainage collection system | |
| CN107869179A (en) | Integrate the concave herbaceous field structure and method for accelerating diafiltration and water storage | |
| CN203361233U (en) | Solar greenhouse surface rainwater collection, filtration and storage facility | |
| CN208441050U (en) | A kind of discharge structure in antiseep of artificial lake structure | |
| CN208563254U (en) | A kind of antiseep of artificial lake structure | |
| CN206616662U (en) | A kind of residential quarter sponge urban facilities system | |
| CN210168547U (en) | Desert greening structure | |
| CN108781577B (en) | Nano capillary-concealed pipe combined soil salt elimination method | |
| CN208121687U (en) | Ecological riverway shore protection | |
| CN110714436A (en) | Retaining system of check dam | |
| CN104652595B (en) | Half support water storage type greenery patches structure of a kind of urban flood defence and utilization of flood resources | |
| CN104145673B (en) | Based on water drainage and the integrated form greenbelt system of water conservation and water drainage and water-retaining method | |
| CN106638629A (en) | Device for greening slope of loess slope | |
| CN208618528U (en) | A kind of water and soil conservation structure preventing and treating soil erosion for loess region | |
| CN202679934U (en) | Saline-alkali soil improvement facility | |
| CN206866255U (en) | Water collecting irrigation system | |
| CN104854996A (en) | Underground pipe long in service life and not prone to blockage for saline and alkaline land | |
| CN205000346U (en) | Slope frame for slope reinforcement and water drainage | |
| CN205276436U (en) | A secret device for rainwater regulation | |
| CN211113432U (en) | Check dam water storage system | |
| CN212650187U (en) | Water-saving coastal saline-alkali soil direct greening system | |
| CN100489202C (en) | Construction method for matched backwashing in filtering layer of water purification building | |
| CN208441080U (en) | A kind of discharge structure for accelerating dyke strengthening by warping engineering silt back body consolidation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |