CN206157670U - Asphalt concrete seepage prevention structure - Google Patents
Asphalt concrete seepage prevention structure Download PDFInfo
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- CN206157670U CN206157670U CN201620943170.8U CN201620943170U CN206157670U CN 206157670 U CN206157670 U CN 206157670U CN 201620943170 U CN201620943170 U CN 201620943170U CN 206157670 U CN206157670 U CN 206157670U
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- asphalt concrete
- dam
- extrusion wall
- dam body
- seepage
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Abstract
The utility model provides an asphalt concrete seepage prevention structure, including the dam body, the dam body is trapezoidally, and both sides inclined plane branch maybe upstream side dam and downstream side dam, and asphalt concrete prevention of seepage panel has been laid on the upstream side dam surface of dam body, the double -layered extrusion wall of establishing between dam body and the asphalt concrete prevention of seepage panel, the extrusion wall is many step structure, the utility model discloses a through introducing extrusion wall technique, some of drainage body of asphalt concrete panel regard as with the extrusion wall, the constitution of antiseepage of dam body system has been improved, the introduction of extrusion wall technique, the dam body construction procedure has been simplified, the slope cutting of dam body construction in -process has been reduced, and saving engineering investment, and simultaneously, fill -construction of dam body is fast, the construction period is reduced, can obviously strengthen the reliability and the security of antiseepage of dam body structure, good society has, economy and environment ecology benefit.
Description
Technical field
The utility model is related to earth and rockfill dam building field, and in particular to a kind of asphalt concrete seepage prevention structure.
Background technology
With the development of social economy, application of the pitch face slab for water retaining in earth and rockfill dam construction is more and more extensive.Early stage work
Journey has Shaanxi Shi Bian valleys reservoir engineering, Zhejiang ox head mountain engineering, enshi car dam engineering etc..In recent years, in Introduced From Abroad skill
In art and the domestic experiential basis of summary, occur in that compared with much progress.Especially the degree of progress speed of Construction of Pumped Storage Power Station, promotes
The development of asphalt concrete facing dam.Storehouse, Shanxi in the hydroenergy storage station of river bend is opened in storehouse, Hebei on Tianhuangping Pumped storage Power Plant
Storehouse etc. on the upper and lower storehouse of Xilongchi hydroenergy storage station, Hohhot Pumped-Storage Power Station, employs asphalt concrete face slab and prevents
Ooze.
With the development of earth-rock works, asphalt concrete face slab is because its adaptive deformation ability is strong, leakage is little, durability
Good the advantages of, can preferably be favored.
With the development that earth and rockfill dam is built, extrusion wall technique is popularizing application in an all-round way.In asphalt concrete face slab antiseepage work
Cheng Zhong, the precedent still do not applied.
Utility model content
The purpose of this utility model is the security and construction problem for overcoming pitch face slab for water retaining rock-fill dams, there is provided one kind drip
Blue or green concrete anti-seepage structure.
The technical solution of the utility model there is provided a kind of asphalt concrete seepage prevention structure, including dam body, and dam body is in ladder
Shape, both sides inclined-plane is respectively upstream side dam and downstream side dam, it is characterised in that：The upstream side dam surface of the dam body is equipped with drip
Blue or green concrete anti-seepage panel, sandwiched Extrusion Wall between dam body and asphalt concrete anti-seepage panel, the Extrusion Wall is multistage trapezoidal
Structure.
The asphalt concrete anti-seepage panel includes successively confining bed, impervious barrier and leveling glued layer, and flattens glued layer
It is affixed with Extrusion Wall.
The enclosed layer thickness is 2mm, and impervious barrier thickness is 60mm～100mm, leveling glued layer thickness be 50mm～
100mm。
The Extrusion Wall is the multistage trapezoidal structural concrete Extrusion Wall formed using extruding construction.
The step side of the Extrusion Wall is to be obliquely installed, and the height h of step is identical with the construction thickness of dam body.
Bottom width b of the Extrusion Wall is according to Extrusion Wall top width a, Extrusion Wall height h, Extrusion Wall gradient t and dam body upstream side
Dam slope is calculated than n, and computing formula is b=a+ (n+t) h.
The beneficial effects of the utility model：
(1) this asphalt concrete seepage prevention structure that the utility model is provided passes through to introduce extrusion wall technique, with Extrusion Wall
As a part for the displacement hull of asphalt concrete face slab, the composition of dam body seepage system is improved, the introduction of extrusion wall technique,
Dam construction program is simplified, to reduce cut slope during dam construction, has saved construction investment, meanwhile, dam embankment is applied
Work is fast, shortens the duration, can be remarkably reinforced dam body seepage reliability of structure and security, with good social, economical and
Environmental ecological benefit.
(2) this asphalt concrete seepage prevention structure that the utility model is provided is by using confining bed, impervious barrier and leveling
Glued layer this three-decker composition asphalt concrete anti-seepage panel, the good seepage-proof property of asphalt concrete anti-seepage panel.
(3) this asphalt concrete seepage prevention structure that the utility model is provided is by the Extrusion Wall using multistage trapezoidal-structure
The reliability and security of dam body asphalt concrete anti-seepage panel can be remarkably reinforced.
The utility model is described in further details below with reference to accompanying drawing.
Description of the drawings
Fig. 1 is the utility model asphalt concrete seepage prevention structural representation；
Fig. 2 is the utility model upstream side dam structural representation.
Description of reference numerals：1st, asphalt concrete anti-seepage panel；2nd, Extrusion Wall；3rd, dam body；4th, confining bed；5th, impervious barrier；
6th, glued layer is flattened.
Specific embodiment
Embodiment 1：
In order to overcome the security and construction problem of pitch face slab for water retaining rock-fill dams, present embodiments provide a kind of such as Fig. 1
Shown asphalt concrete seepage prevention structure, including dam body 3, dam body 3 is trapezoidal, and both sides inclined-plane is respectively upstream side dam and downstream
Dam, the upstream side dam surface of the dam body 3 is equipped with asphalt concrete anti-seepage panel 1, dam body 3 and asphalt concrete anti-seepage panel
Sandwiched Extrusion Wall 2 between 1, the Extrusion Wall 2 is multistage trapezium structure.
Dam body 3 is piled into by building stones, and the upstream side dam of dam body 3 arranges asphalt concrete anti-seepage panel 1, and bituminous concrete is prevented
The downstream for oozing panel 1 is provided with the multistage trapezoidal extruding of sandwiched between Extrusion Wall 2, i.e. asphalt concrete anti-seepage panel 1 and dam body 3
Wall 2.
This asphalt concrete seepage prevention structure passes through to introduce extrusion wall technique, using Extrusion Wall as asphalt concrete face slab
A part for displacement hull, improves the composition of dam body seepage system, and the introduction of extrusion wall technique simplifies dam construction program,
Reducing cut slope during dam construction, has saved construction investment, meanwhile, dam embankment construction is fast, shortens the duration, can be bright
It is aobvious to strengthen dam body seepage reliability of structure and security, with good society, economy and environmental ecological benefit.
Embodiment 2：
On the basis of embodiment 1, as shown in Fig. 2 the asphalt concrete anti-seepage panel 1 includes successively confining bed 4, prevents
Infiltration layer 5 and leveling glued layer 6, and flatten glued layer 6 be affixed with Extrusion Wall 2.Confining bed 4 is bitumastic or modified pitch agate
Hoof fat is filled, and impervious barrier 5 and leveling glued layer 6 are bituminous concrete filling, and the thickness of the confining bed 4 is 2mm, and impervious barrier 5 is thick
Spend for 60mm～100mm, leveling glued layer 6 thickness is 50mm～100mm.
Confining bed 4, impervious barrier 5 and leveling glued layer 6 this three-decker composition asphalt concrete anti-seepage panel 1, pitch is mixed
The good seepage-proof property of solidifying soil face slab for water retaining.
Embodiment 3：
On the basis of embodiment 2, as shown in Fig. 2 the Extrusion Wall 2 is the multistage trapezoidal knot formed using extruding construction
Structure concrete extrusion wall.
The sequence of construction of asphalt concrete seepage prevention structure of the present utility model is：Fill one layer of downstream dam body of Extrusion Wall 2
Stockpile, one layer of Extrusion Wall 2 of constructing, so repeatedly, until dam crest, the upstream of Extrusion Wall 2 spraying emulsified asphalt, flatten glued layer 6
Construction, impervious barrier 5 is constructed, and confining bed 4 is constructed.
The step side of the Extrusion Wall 2 is to be obliquely installed, and the height h of step is identical with the construction thickness of dam body 3.
Bottom width b of the Extrusion Wall 2 is according to Extrusion Wall top width a, Extrusion Wall height h, Extrusion Wall gradient t and dam body upstream side
Dam slope is calculated than n, and computing formula is b=a+ (n+t) h, and generally h is 40cm, and a is 10cm, and t is 0.125.
The Extrusion Wall 2 of this multistage trapezoidal-structure can be remarkably reinforced the reliability and peace of dam body asphalt concrete anti-seepage panel
Quan Xing.
Exemplified as above is only, to illustration of the present utility model, not constitute to protection domain of the present utility model
Limit, every design same or analogous with the utility model is belonged within protection domain of the present utility model.
Claims (6)
1. a kind of asphalt concrete seepage prevention structure, including dam body (3), dam body (3) is trapezoidal, and both sides inclined-plane is respectively upstream side dam
With downstream side dam, it is characterised in that：The upstream side dam surface of the dam body (3) is equipped with asphalt concrete anti-seepage panel (1), dam
Sandwiched Extrusion Wall (2) between body (3) and asphalt concrete anti-seepage panel (1), the Extrusion Wall (2) is multistage trapezium structure.
2. asphalt concrete seepage prevention structure as claimed in claim 1, it is characterised in that：The asphalt concrete anti-seepage panel
(1) include successively, confining bed (4) impervious barrier (5) and leveling glued layer (6), and flatten glued layer (6) be affixed with Extrusion Wall (2).
3. asphalt concrete seepage prevention structure as claimed in claim 2, it is characterised in that：Confining bed (4) thickness is 2mm,
Impervious barrier (5) thickness is 60mm～100mm, and leveling glued layer (6) thickness is 50mm～100mm.
4. asphalt concrete seepage prevention structure as claimed in claim 1, it is characterised in that：The Extrusion Wall (2) is using extruding
The multistage trapezoidal structural concrete Extrusion Wall that construction is formed.
5. asphalt concrete seepage prevention structure as claimed in claim 4, it is characterised in that：Extrusion Wall (2) step side is
It is obliquely installed, and the height h of step is identical with the construction thickness of dam body (3).
6. asphalt concrete seepage prevention structure as claimed in claim 4, it is characterised in that：Bottom width b of the Extrusion Wall (2) according to
Extrusion Wall top width a, Extrusion Wall height h, Extrusion Wall gradient t and dam body upstream side dam slope are calculated than n, and computing formula is b=a+ (n+
t)h。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620943170.8U CN206157670U (en) | 2016-08-26 | 2016-08-26 | Asphalt concrete seepage prevention structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620943170.8U CN206157670U (en) | 2016-08-26 | 2016-08-26 | Asphalt concrete seepage prevention structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206157670U true CN206157670U (en) | 2017-05-10 |
Family
ID=58649142
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620943170.8U Active CN206157670U (en) | 2016-08-26 | 2016-08-26 | Asphalt concrete seepage prevention structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206157670U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112715128A (en) * | 2021-02-01 | 2021-04-30 | 海南大学 | Irrigation system is cultivateed to agricultural crop |
| CN115404820A (en) * | 2022-09-05 | 2022-11-29 | 中国电建集团华东勘测设计研究院有限公司 | Asphalt concrete panel rock-fill dam arrangement structure and construction method |
| CN115492052A (en) * | 2022-09-29 | 2022-12-20 | 中国水电建设集团十五工程局有限公司 | Seepage-proofing reinforcing treatment method for small reservoir homogeneous dam body |
-
2016
- 2016-08-26 CN CN201620943170.8U patent/CN206157670U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112715128A (en) * | 2021-02-01 | 2021-04-30 | 海南大学 | Irrigation system is cultivateed to agricultural crop |
| CN115404820A (en) * | 2022-09-05 | 2022-11-29 | 中国电建集团华东勘测设计研究院有限公司 | Asphalt concrete panel rock-fill dam arrangement structure and construction method |
| CN115492052A (en) * | 2022-09-29 | 2022-12-20 | 中国水电建设集团十五工程局有限公司 | Seepage-proofing reinforcing treatment method for small reservoir homogeneous dam body |
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