CN206784329U - A kind of Earth dam arti-seepage and row ooze structure - Google Patents
A kind of Earth dam arti-seepage and row ooze structure Download PDFInfo
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- CN206784329U CN206784329U CN201720662763.1U CN201720662763U CN206784329U CN 206784329 U CN206784329 U CN 206784329U CN 201720662763 U CN201720662763 U CN 201720662763U CN 206784329 U CN206784329 U CN 206784329U
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Abstract
The utility model discloses a kind of Earth dam arti-seepage and row to ooze structure, including dam body, pitched work I, loam sloping core, toe board, tie-beam, cut-pff wall, vertically collects seepage well, leads bleed-through road, pitched work II, water seepage drainage prism；It is characterized in that：Two tie-beams are set below the toe board, two tie-beams are respectively arranged below cut-pff wall, the dam body back side sets pitched work II, water seepage drainage prism is set at the dam body back side dam foundation, the vertical collection seepage well, sets up along parallel axis of dam side, is excavated between the vertical collection seepage well and leads bleed-through road, described lead buries plastics blind pipe in bleed-through road, described lead sets double-composite geotextile between bleed-through road and plastics blind pipe；The beneficial effects of the utility model are：Twice cut-pff wall is set below toe board, and whole structure is obvious, the design of dam body integrated multilayer drain system system in length and breadth, can quickly collect sepage, being used cooperatively for floral tube and geotextiles, can reduce soil erosion.
Description
Technical field
Hydraulic engineering technical field is the utility model is related to, more specifically a kind of Earth dam arti-seepage and row ooze structure.
Background technology
Since founding of New, China has built up the reservoir dam and earth dam of more than ten thousand seat different scales, for water
Needless to say, it can solve the flood-control and drought relief of subrange for the people's livelihood effect of storehouse earth dam, develop field irrigation, provided for small towns
Generation assets, the problem of supplying water etc., but because technical merit is low, it result in the potential safety hazard in terms of hydraulic engineering and get over
It is beneficial serious.
The engineering problems such as crack, seepage often occur during medium and small reservoirs earth dam is built.Especially building is applied
Work designs lack of standardization, and construction technology falls behind and mechanization utilization rate is low, result in the work of most of medium and small reservoirs earth dams
Cheng Zhiliang is bad, and most earth dam seepage occurs and very big potential safety hazard be present, if not giving processing for a long time, it will
Cause piping and flow the adverse consequences of the seepage deformations such as soil, this will seriously injure the safety of dam body.Seepage of earth dam is miniature water
Storehouse earth and rockfill dam potential safety hazard the most universal, seepage of earth dam disease danger not only cause reservoir to be not normally functioning and play its benefit, also
The safety of possible serious threat downstream people's lives and properties, the antiseepage of earth and rockfill dam and row ooze the emphasis that processing is Reservoir
Content, therefore Earth dam arti-seepage and row are oozed and are particularly important.
The content of the invention
To solve the above problems, overcome the deficiencies in the prior art, the utility model provides Earth dam arti-seepage and row oozes structure,
There are good leakage preventing structure and rational row to ooze structure, seepage can be mitigated, it is unimpeded to ensure that row is oozed, it can be ensured that earth dam safety is steady
Fixed operation, eliminates safe hidden trouble.
To achieve the above object, Earth dam arti-seepage provided by the utility model and row ooze structure, including dam body, pitched work I,
Loam sloping core, toe board, tie-beam, cut-pff wall, vertically collect seepage well, lead bleed-through road, pitched work II, water seepage drainage prism；Its feature exists
In：The dam body upstream face sets gradually loam sloping core, pitched work I, the loam sloping core, stone-laying laterally by dam body center
The dam foundation intersection of bank protection I sets toe board, sets double-composite geotextile between the loam sloping core and dam body, under the toe board
Side sets two tie-beams, and two tie-beams are respectively arranged below cut-pff wall, and the dam body back side sets pitched work
II, water seepage drainage prism is set at the dam body back side dam foundation, the vertical collection seepage well, set up along parallel axis of dam side, institute
Excavation leads bleed-through road between stating vertical collection seepage well, and described lead buries plastics blind pipe in bleed-through road, described to lead bleed-through road and plastics
Double-composite geotextile is set between blind pipe.
Further, the cut-pff wall extends to predetermined depth vertically downward.
Further, the composite earthwork cloth thickness is more than 6 mm, and aperture is less than 0.16 mm, the N of gripping strength 820,
Puncture intensity and be more than 370 N, bursting strength is more than 2.1 MPa, the kN/100 mm of tensile strength 1.2.
Further, the plastics blind pipe is pvc pipe.
Further, the plastics blind pipe is the floral tube that a diameter of 6mm apertures are drilled with tube wall.
Further, described lead oozes the angle of passage axis and horizontal plane and is arranged to 5-15 °.
Further, it is described lead bleed-through road water outlet and be provided with prevent external water stream guide bleed-through road（8）Interior flowing
One-way water stop valve.
The beneficial effects of the utility model are：Twice cut-pff wall is set below toe board, and twice cut-pff wall rigidly connects with toe board
Connect, under impact of water effect, the deformation of twice cut-pff wall is close, and whole structure is obvious, and cut-pff wall extends to dam foundation underground, effectively
Influence of the underground water to the dam foundation is prevented, the utilization of double-composite geotextile effectively reduces soil erosion, and dam body is comprehensive in length and breadth
The design of multilayer drain system system is closed, can quickly collect sepage, being used cooperatively for floral tube and geotextiles, soil erosion can be reduced.
Brief description of the drawings：
Accompanying drawing 1 is structural representation of the present utility model；
In accompanying drawing：1- dam bodys, 2- pitched works I, 3- loams sloping core, 4- toe boards, 5- tie-beams, 6- cut-pff walls, 7- are vertical
Collection seepage well, 8- lead bleed-through road, 9- pitched works II, 10- water seepage drainage prisms.
Embodiment：
To make the purpose, technical scheme and advantage that the utility model is implemented clearer, below in conjunction with the utility model
Accompanying drawing, the utility model is further described in more detail.
In to description of the present utility model, it is to be understood that indicating position or position relationship are described as based on attached
Orientation or position relationship shown in figure, it is for only for ease of and describes the utility model and simplify to describe, rather than instruction or hint
Signified device or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to this
The limitation of utility model protection scope.In addition, term " first ", " second ", " the 3rd " are only used for describing purpose, without being understood that
To indicate or implying relative importance.
In fig. 1, a kind of Earth dam arti-seepage provided by the utility model and row ooze structure, including dam body 1, pitched work I
2nd, loam sloping core 3, toe board 4, tie-beam 5, cut-pff wall 6, vertical collection seepage well 7, lead bleed-through road 8, pitched work II 9, water seepage drainage prism
10；It is characterized in that：The upstream face of dam body 1 sets gradually loam sloping core 3, pitched work I 2, institute laterally by the center of dam body 1
State loam sloping core 3, the dam foundation intersection of pitched work I 2 sets toe board 4, setting bilayer between the loam sloping core 3 and dam body 1
Composite earthwork cloth, the lower section of toe board 4 set two tie-beams 5, and two tie-beams 5 are respectively arranged below cut-pff wall 6, institute
State the back side of dam body 1 and pitched work II 9 is set, water seepage drainage prism 10 is set at the back side dam foundation of dam body 1, the vertical collection oozes
Well 7, set up along parallel axis of dam side, excavated between the vertical collection seepage well 7 and lead bleed-through road 8, it is described to lead in bleed-through road 8
Embedded plastics blind pipe, described lead set double-composite geotextile between bleed-through road 8 and plastics blind pipe.
Further, described cut-pff wall 6 extends to predetermined depth vertically downward.
Further, described composite earthwork cloth thickness is more than 6 mm, and aperture is less than 0.16 mm, gripping strength 820
N, puncture intensity and be more than 370 N, bursting strength is more than 2.1 MPa, the kN/100 mm of tensile strength 1.2.
Further, described plastics blind pipe is pvc pipe.
Further, described plastics blind pipe is the floral tube that a diameter of 6mm apertures are drilled with tube wall.
Further, it is described to lead the axis of bleed-through road 8 and the angle of horizontal plane is arranged to 5-15 °.
Further, it is described lead the water outlet of bleed-through road 8 and be provided with prevent flowing in external water stream guide bleed-through road 8
One-way water stop valve.
Specifically, Earth dam arti-seepage structure of the present utility model is combined with good row and oozes system, loam sloping core and dam body it
Between set double-composite geotextile to set, make use of reverse filter effect well, avoid the harm that soil erosion is brought, twice are deep
Enter the cut-pff wall design under the dam foundation, add stability, vertically collect seepage well, lead the Multi-layer design in bleed-through road, can quickly by
Sepage collects, and excretes, and does not influence dam structure, and vertical the collection seepage well and seep-guiding channel of dam body back side penetrate phase in length and breadth
Even, be advantageous to row and ooze, lead bleed-through road water outlet and water check valve is set, prevent flow backwardses, the combination that antiseepage and row are oozed can
Reduce the seepage discharge by dam body and the dam foundation；Saturation is reduced, increases the stability of downstream dam slope；Infiltration gradient is reduced, is prevented
Seepage deformation.
Claims (7)
1. a kind of Earth dam arti-seepage and row ooze structure, including dam body（1）, pitched work I（2）, loam sloping core（3）, toe board（4）, even
Connect beam（5）, cut-pff wall（6）, vertically collect seepage well（7）, lead bleed-through road（8）, pitched work II（9）, water seepage drainage prism（10）；Its feature
It is：The dam body（1）Upstream face is by dam body（1）Center sets gradually loam sloping core laterally（3）, pitched work I（2）, institute
State loam sloping core（3）, pitched work I（2）Dam foundation intersection set toe board（4）, the loam sloping core（3）With dam body（1）It
Between double-composite geotextile, the toe board are set（4）Lower section sets two tie-beams（5）, two tie-beams（5）Lower section point
Cut-pff wall is not set（6）, the dam body（1）Back side sets pitched work II（9）, the dam body（1）Set at the back side dam foundation
Put water seepage drainage prism（10）, the vertical collection seepage well（7）, set up along parallel axis of dam side, the vertical collection seepage well（7）Between
Excavation leads bleed-through road（8）, it is described to lead bleed-through road（8）Interior embedded plastics blind pipe, it is described to lead bleed-through road（8）Between plastics blind pipe
Double-composite geotextile is set.
2. Earth dam arti-seepage according to claim 1 and row ooze structure, it is characterised in that the cut-pff wall（6）Prolong vertically downward
Extend predetermined depth.
3. Earth dam arti-seepage according to claim 1 and row ooze structure, it is characterised in that the composite earthwork cloth thickness is more than
6 mm, aperture are less than 0.16 mm, the N of gripping strength 820, puncture intensity and are more than 370 N, bursting strength is more than 2.1
MPa, the kN/100 mm of tensile strength 1.2.
4. Earth dam arti-seepage according to claim 1 and row ooze structure, it is characterised in that the plastics blind pipe is pvc pipe.
5. the Earth dam arti-seepage and row according to claim 1 or 4 ooze structure, it is characterised in that the plastics blind pipe is on tube wall
It is drilled with the floral tube of a diameter of 6mm apertures.
6. Earth dam arti-seepage according to claim 1 and row ooze structure, it is characterised in that described to lead bleed-through road（8）Axis and water
The angle of plane is arranged to 5-15 °.
7. Earth dam arti-seepage according to claim 1 and row ooze structure, it is characterised in that described to lead bleed-through road（8）Water outlet
Being provided with prevents external water stream guide bleed-through road（8）The one-way water stop valve of interior flowing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720662763.1U CN206784329U (en) | 2017-06-08 | 2017-06-08 | A kind of Earth dam arti-seepage and row ooze structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720662763.1U CN206784329U (en) | 2017-06-08 | 2017-06-08 | A kind of Earth dam arti-seepage and row ooze structure |
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| CN206784329U true CN206784329U (en) | 2017-12-22 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110747809A (en) * | 2019-10-22 | 2020-02-04 | 张金良 | Integrated silt dam without management and protection and construction method thereof |
| CN110939108A (en) * | 2019-12-27 | 2020-03-31 | 中水北方勘测设计研究有限责任公司 | Structure for preventing concrete face dam high-toe wall from being damaged |
| RU2723487C1 (en) * | 2019-04-01 | 2020-06-11 | Акционерное общество "Всероссийский научно-исследовательский институт гидротехники имени Б.Е. Веденеева" | Method for combined drainage of ground dam |
-
2017
- 2017-06-08 CN CN201720662763.1U patent/CN206784329U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2723487C1 (en) * | 2019-04-01 | 2020-06-11 | Акционерное общество "Всероссийский научно-исследовательский институт гидротехники имени Б.Е. Веденеева" | Method for combined drainage of ground dam |
| CN110747809A (en) * | 2019-10-22 | 2020-02-04 | 张金良 | Integrated silt dam without management and protection and construction method thereof |
| CN110939108A (en) * | 2019-12-27 | 2020-03-31 | 中水北方勘测设计研究有限责任公司 | Structure for preventing concrete face dam high-toe wall from being damaged |
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