CN206015617U - A kind of double-drainage body rock - Google Patents
A kind of double-drainage body rock Download PDFInfo
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- CN206015617U CN206015617U CN201620942001.2U CN201620942001U CN206015617U CN 206015617 U CN206015617 U CN 206015617U CN 201620942001 U CN201620942001 U CN 201620942001U CN 206015617 U CN206015617 U CN 206015617U
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Abstract
The utility model discloses a kind of double-drainage body rock, it includes concrete slab, bed course area, transition region, upstream rockfill area and the downstream rockfill area set gradually from upstream to downstream；Bed course area is provided with the periphery fissure downstream of dam body；L-shaped displacement hull is provided between the upstream side of the downstream of transition region and upstream rockfill area, and the horizontal row water body of L-shaped displacement hull crosses the bottom of upstream rockfill area and downstream rockfill area, and by upstream rockfill area horizontal segmentation into upper and lower two parts；L-shaped displacement hull includes first vertical drainage body and horizontal row water body being interconnected, the side of first vertical drainage body is provided with a second vertical drainage body, second vertical drainage body connects horizontal row water body, L-shaped displacement hull and and the double water body of second vertical drainage body composition.Drainage channel inside rock dam body increased by double water body, the infiltration security of rock can be greatly improved so that dam structure is more stable.
Description
Technical field
The utility model is related to hydro science dam construction technique field, more particularly to a kind of double-drainage body rock.
Background technology
In Hydraulic and Hydro-Power Engineering, because generating or irrigation draught etc. need, to generally build a dam to form reservoir.Dam mainly has mixed
The type such as solidifying earth dam and rock-fill dams, the dam type that commonly uses in rock-fill dams have core wall rockfill dam and reinforced concrete face rockfill dam (with
Lower abbreviation rock).World's dam construction technique development in recent years is very fast, have developed at present 300m level arched concrete dams,
300m level concrete gravity dams, 300m level Clay Core Wall Rockfill Dams, 200m level rocks, 300m level rocks can
Among row is being studied.
For the further western abundant hydraulic power potentials of exploitation China, west area has the high dam of a collection of 300m levels yet to be built, western
The phenomenon of the features as poor geologic condition such as portion area generally existing relief joint development, at the same exist traffic be inconvenient, cement and reinforcing bar
Deng material haul distance remote situations such as, therefore rock-fill dams have the advantages that strong adaptability and investment area.In addition, west area earth material matter
Amount is bad, and earth material source is less, if selecting Clay Core Wall Rockfill Dam, exploitation earth material need to take a large amount of soils, increase immigrant,
And have greater environmental impacts, therefore, rock is suitable for west area compared with core wall rockfill dam.However, design and construction
300m levels high CFRD is bigger because of the hydraulic pressure that dam body bears, and dam body discharge area is bigger, can produce larger dam body and ooze
Flow, affects the security of dam body seepage stability thoroughly, and it is that 300m level high CFRDs are built therefore to improve dam body infiltration security
If key technical problem.
Utility model content
Technical problem to be solved in the utility model overcomes existing 300m levels high CFRD because which is born
Water pressure increases and discharge area increases and the defect of the larger dam body seepage discharge of generation, there is provided a kind of double-drainage dignity sheetpile
Masonry dam, constitutes double water body by laying one vertical drainage body in traditional L-shaped displacement hull downstream, so as to improve panel enrockment
The infiltration security on dam.
For realizing that above-mentioned technical purpose, the utility model are adopted the following technical scheme that and be achieved:
A kind of double-drainage body rock, including set gradually from upstream to downstream concrete slab, bed course area, mistake
Cross area, upstream rockfill area and downstream rockfill area；Bed course area is provided with the periphery fissure downstream of dam body；The downstream of the transition region
L-shaped displacement hull is provided with and the upstream side of upstream rockfill area between, and the horizontal row water body of the L-shaped displacement hull crosses upstream heap
Stone area and the bottom of downstream rockfill area, and by upstream rockfill area horizontal segmentation into upper and lower two parts；The L-shaped displacement hull includes phase
First intercommunicated vertical drainage body and horizontal row water body, the side of first vertical drainage body are provided with second vertical drainage
Body, second vertical drainage body connect horizontal row water body, L-shaped displacement hull and and the double water body of second vertical drainage body composition.
Preferably, the horizontal width of the double water body is 3m～9m.
Preferably, the horizontal width of the double water body is 6m.
Preferably, first vertical drainage body, second vertical drainage body and horizontal row water body are matched somebody with somebody using unified level.
Preferably, one first vertical filter material area is set up respectively in the upstream side and downstream of first vertical drainage body,
Horizontal reverse filtrate area is set up respectively in the both sides up and down of horizontal row water body, second is set up in the downstream of second vertical drainage body
Vertical filter material area, the horizontal filtration on the downside of the first vertical filter material area of first vertical drainage body upstream and horizontal row water body
The connection of material area, the second vertical filter material area is connected with the horizontal reverse filtrate area on the upside of horizontal row water body.
Preferably, the horizontal width in the described second vertical filter material area is 3m～6m.
Preferably, the horizontal width in the described second vertical filter material area is 4m.
Preferably, the first vertical filter material area, the second vertical filter material area and horizontal reverse filtrate area are using unified level
Match somebody with somebody.
The beneficial effects of the utility model：
Lay one vertical drainage in L-shaped displacement hull downstream of the utility model inside traditional panel Rockfill Dam
Body, is connected with horizontal row water body, is formed double water body, be increased the drainage channel inside rock dam body, can be significantly
Improve the infiltration security of rock so that dam structure is more stable, high CFRD is breached by seepage discharge
The impact of increasing and the limitation of 300m can not be reached, with significant social benefit.
Description of the drawings
Fig. 1 is the utility model double-drainage body rock structural representation；
Fig. 2 is the enlarged drawing in Fig. 1 at A；
In figure, the double water bodys of 1-；The first vertical filter material areas of 2-；3- concrete slabs；4- bed courses area；5- bed courses area；6-
Transition region；7- upstreams rockfill area；8- downstreams rockfill area；9- upstreams pressure slope body；First vertical drainage body of 11-；12- horizontal drainages
Body；13- second vertical drainage bodies；14- horizontal reverse filtrates area；The second vertical filter material areas of 15-.
Specific embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings：
Embodiment 1
In order to overcome water pressure increase that existing high CFRD in prior art born because of which and discharge area to increase
The problem of the defect of larger dam body seepage discharge is produced greatly, a kind of double water body as shown in Figure 1 is present embodiments provided
Rock, including set gradually from upstream to downstream concrete slab 3, bed course area 4, transition region 6, upstream rockfill area 7
With downstream rockfill area 8；Bed course area 5 is provided with the periphery fissure downstream of dam body, the bed course area 5 selects《CFRD
Design specification》(SL228-2013) the special bed course area defined in, in order to play reverse filter effect to caulking material and silt；For
The higher dam body of height, preferably arranges upstream pressure slope body, at the bottom of concrete slab 3 in order to protect concrete slab 3；Described
L-shaped displacement hull, the horizontal row of the L-shaped displacement hull is provided between the upstream side of the downstream of transition region 6 and upstream rockfill area 7
Water body 12 crosses the bottom of upstream rockfill area 7 and downstream rockfill area 8, and by 7 horizontal segmentation of upstream rockfill area into upper and lower two parts；
The L-shaped displacement hull includes first vertical drainage body 11 and horizontal row water body 12 being interconnected, first vertical drainage body
11 side is provided with second vertical drainage body 13, the connection horizontal row of second vertical drainage body 13 water body 12, L-shaped displacement hull with
Double water body is constituted with second vertical drainage body 13.
Lay second vertical drainage body in L-shaped displacement hull downstream of the utility model inside rock dam body
13, it is connected with horizontal row water body 12, forms double water body, increased the drainage channel inside rock dam body, Ke Yi great
The big infiltration security for improving rock so that dam structure is more stable, breaches high CFRD by osmotic flow
Measure the impact of increasing and the limitation of 300m can not be reached, with significant social benefit.
Embodiment 2
On the basis of embodiment 1, the horizontal width of the double water body is 3m～9m, according to the actual determination of engineering, one
As take 5m.The selection of above-mentioned parameter must is fulfilled for《CFRD design specification》(DL/T5016-2011、SL228-
98) requirement.
Embodiment 3
On the basis of embodiment 1, as shown in figure 1, first vertical drainage body 11, second vertical drainage body 13 and
Horizontal row water body 12 is matched somebody with somebody using unified level so as to which infiltration coefficient is identical, improves penetrating power.
As depicted in figs. 1 and 2, it is vertical one first to be set up respectively in the upstream side and downstream of first vertical drainage body 11
Filter material area 2, sets up horizontal reverse filtrate area 14 in the both sides up and down of horizontal row water body 12, respectively in second vertical drainage body 13
Downstream set up the second vertical filter material area 15, the first vertical filter material area 2 of first 11 upstream of vertical drainage body and water
Horizontal reverse filtrate area 14 on the downside of flat raft water body 12 connects, the level on the upside of the second vertical filter material area 15 and horizontal row water body 12
Filter material area 14 connects.Will be double by the first vertical filter material area 2, horizontal reverse filtrate area 14 and the second vertical filter material area 15
Displacement hull 1 is fully wrapped around, it is to avoid the coarse fodder in double water body 1 is taken away by outside fines, it is ensured that double water body penetration not by
Destruction.
The horizontal width in the second vertical filter material area 15 is 3m～6m, is unfavorable for constructing less than 3m；According to engineering reality
Border determination, typically takes 4m.
First vertical filter material area 2, the second vertical filter material area 15 and horizontal reverse filtrate area 14 are matched somebody with somebody using unified level,
Which is made to meet infiltration safety requirements.
Embodiment 4
In order to overcome existing 300m levels high CFRD because its water pressure that is born increases and discharge area increases
The defect of larger dam body seepage discharge is produced, the invention provides a kind of improve the method that rock permeates security,
Specifically, open up inside rock dam body and arranged by the L-shaped that first vertical drainage body 11 and horizontal row water body 12 are constituted
Water body, then lays the second vertical drainage body 13 being connected with horizontal row water body 12 again in L-shaped displacement hull downstream, and L-shaped is arranged
Water body and second vertical drainage body 13 constitute double water body 1.
The present invention lays second vertical drainage body 13 in the L-shaped displacement hull downstream inside rock dam body, with
Horizontal row water body 12 connects, and forms double water body, increased the drainage channel inside rock dam body, can greatly improve
The infiltration security of rock so that dam structure is more stable, breaches high CFRD and is increased by seepage discharge
Impact and the limitation of 300m can not be reached, with significant social benefit.
Obviously, those skilled in the art can carry out various changes and modification without deviating from this practicality to the utility model
New spirit and scope.So, if of the present utility model these modification and modification belong to the utility model claim and
Within the scope of its equivalent technologies, then the utility model is also intended to comprising these changes and modification.
Claims (8)
1. a kind of double-drainage body rock, including set gradually from upstream to downstream concrete slab (3), bed course area
(4), transition region (6), upstream rockfill area (7) and downstream rockfill area (8)；Bed course area (5) is provided with the periphery fissure downstream of dam body；
L-shaped displacement hull, the L-shaped draining is provided between the upstream side of the downstream of transition region (6) and upstream rockfill area (7)
The horizontal row water body (12) of body crosses the bottom of upstream rockfill area (7) and downstream rockfill area (8), and by upstream rockfill area (7) water
Divide equally and be cut into upper and lower two parts；The L-shaped displacement hull includes first vertical drainage body (11) and horizontal drainage being interconnected
Body (12), it is characterised in that：The side of first vertical drainage body (11) is provided with a second vertical drainage body (13), second
Vertical drainage body (13) connection horizontal row water body (12), L-shaped displacement hull and and second vertical drainage body (13) composition double-drainage
Body.
2. double-drainage body rock according to claim 1, it is characterised in that：The horizontal width of the double water body
For 3m～9m.
3. double-drainage body rock according to claim 1, it is characterised in that：The horizontal width of the double water body
For 6m.
4. double-drainage body rock according to claim 1, it is characterised in that：First vertical drainage body (11),
Second vertical drainage body (13) and horizontal row water body (12) are matched somebody with somebody using unified level.
5. double-drainage body rock according to claim 1, it is characterised in that：In first vertical drainage body (11)
Upstream side and downstream set up one first vertical filter material area (2) respectively, horizontal row water body (12) both sides up and down distinguish
Horizontal reverse filtrate area (14) is set up, and second vertical filter material area (15) is set up in the downstream of second vertical drainage body (13),
Horizontal reverse filtrate on the downside of first vertical filter material area (2) of first vertical drainage body (11) upstream and horizontal row water body (12)
Area (14) connects, and second vertical filter material area (15) are connected with the horizontal reverse filtrate area (14) on the upside of horizontal row water body (12).
6. double-drainage body rock according to claim 5, it is characterised in that：The second vertical filter material area
(15) horizontal width is 3m～6m.
7. double-drainage body rock according to claim 5, it is characterised in that：The second vertical filter material area
(15) horizontal width is 4m.
8. double-drainage body rock according to claim 5, it is characterised in that：First vertical filter material area (2),
Matched somebody with somebody using unified level in two vertical filter material area (15) and horizontal reverse filtrate area (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620942001.2U CN206015617U (en) | 2016-08-25 | 2016-08-25 | A kind of double-drainage body rock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620942001.2U CN206015617U (en) | 2016-08-25 | 2016-08-25 | A kind of double-drainage body rock |
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| Publication Number | Publication Date |
|---|---|
| CN206015617U true CN206015617U (en) | 2017-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620942001.2U Active CN206015617U (en) | 2016-08-25 | 2016-08-25 | A kind of double-drainage body rock |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106149640A (en) * | 2016-08-25 | 2016-11-23 | 中国电建集团西北勘测设计研究院有限公司 | Improve method and the double-drainage body rock of rock infiltration security |
-
2016
- 2016-08-25 CN CN201620942001.2U patent/CN206015617U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106149640A (en) * | 2016-08-25 | 2016-11-23 | 中国电建集团西北勘测设计研究院有限公司 | Improve method and the double-drainage body rock of rock infiltration security |
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