CN209194466U - A kind of Reservoir Bank leakage preventing structure - Google Patents

A kind of Reservoir Bank leakage preventing structure Download PDF

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Publication number
CN209194466U
CN209194466U CN201821095985.0U CN201821095985U CN209194466U CN 209194466 U CN209194466 U CN 209194466U CN 201821095985 U CN201821095985 U CN 201821095985U CN 209194466 U CN209194466 U CN 209194466U
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waterproof blanket
bank
equal
grade
cleaning layer
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CN201821095985.0U
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Inventor
郑晓晖
高传彬
居浩
李刚
彭继乐
俞灵光
周界束
陈波
魏小兵
段雪彬
李波
李丹丹
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PowerChina Guiyang Engineering Corp Ltd
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PowerChina Guiyang Engineering Corp Ltd
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Abstract

The utility model provides a kind of Reservoir Bank leakage preventing structure, including basis cleaning layer;The grade of side slope of the basis cleaning layer is less than or equal to 30 °, is successively laid with argillic horizon, bentonite waterproof blanket, clay protective layer, rock ballast material protective layer on basis cleaning layer;The grade of side slope of the basis cleaning layer is greater than 30 ° and less than 45 °, is successively laid with bentonite waterproof blanket, shotcrete with mesh on basis cleaning layer;The grade of side slope of the basis cleaning layer is more than or equal to 45 ° and elevation is less than 10m, is successively laid with bentonite waterproof blanket, shotcrete with mesh on basis cleaning layer;The grade of side slope of the basis cleaning layer is more than or equal to 45 ° and elevation is more than or equal to 10m, outputs several platforms on basis cleaning layer, platform ecto-entad carries out 2% gradient.The utility model can select different seepage control measures, when meeting antiseepage requirement, reach investment reduction, facilitate the purpose of construction according to the difference of the gradient.

Description

A kind of Reservoir Bank leakage preventing structure
Technical field
The utility model relates to a kind of Reservoir Bank leakage preventing structure, belong to Reservoir basin seepage prevention design in hydraulic and hydroelectric engineering Field.
Background technique
In hydraulic and hydroelectric engineering, antiseepage is one of most important work in engineering treatment.For being in karst region Water source project on the mountain top in area, itself catchment area is very small, and completely certain storage capacity can just be stored by generally requiring many years regulation.Cause This, for this kind of reservoir, water is most important.The quality of Reservoir basin antiseepage directly determines the quality of engineering.
From the point of view of engineering practice both domestic and external, Reservoir Bank antiseepage mostly uses armored concrete panel antiseepage, or using drip Green concrete slab antiseepage, also take geomembrane anti-seepage, and take clay blanket antiseepage etc..Armored concrete panel antiseepage Effect is preferable, but investment is big, speed of application is slower;Asphalt concrete face slab anti-seepage effect is good, but construction technology is more complex, and There is certain influence to water quality;Geomembrane anti-seepage adaptive deformation ability is strong, low cost, but constructs more complex, the easy to aging, service life It is short;Clay blanket Seepage simplicity, low cost, but the scope of application is small, is generally not suitable for steeper library bank.Therefore, selection is suitable Library bank leakage preventing structure, it is most important for easy construction, barrier performance.
Utility model content
In order to solve the above technical problems, the utility model provides a kind of Reservoir Bank leakage preventing structure, the Reservoir Bank is anti- It seeps structure and different library bank leakage preventing structures is arranged according to different gradient, be suitable for different library bank slope degree, simple structure is reduced investment outlay.
The utility model is achieved by the following technical programs.
A kind of Reservoir Bank leakage preventing structure provided by the utility model, including basis cleaning layer;The basis cleaning layer Grade of side slope is less than or equal to 30 °, is successively laid with argillic horizon, bentonite waterproof blanket, clay protective layer, rock ballast on basis cleaning layer Expect protective layer;The grade of side slope of the basis cleaning layer is greater than 30 ° and less than 45 °, is successively laid with swelling on basis cleaning layer Native waterproof blanket, shotcrete with mesh;The grade of side slope of the basis cleaning layer is more than or equal to 45 ° and elevation is less than 10m, on basis Bentonite waterproof blanket, shotcrete with mesh are successively laid on cleaning layer;The grade of side slope of the basis cleaning layer is more than or equal to 45 ° And elevation is more than or equal to 10m, outputs several platforms on basis cleaning layer, platform ecto-entad carries out 2% gradient, in platform On be successively equipped with bentonite waterproof blanket, shotcrete with mesh;The grade of side slope of the basis cleaning layer is more than or equal to 90 °, Bentonite waterproof blanket, reinforced concrete structure are laid on basis cleaning layer.
The grade of side slope is less than or equal to 30 °, argillic horizon, bentonite waterproof blanket, clay protective layer, rock ballast material protective layer shape At the impervious barrier on bank slope surface.
The grade of side slope is greater than 30 degree, and less than 45 °, and bentonite waterproof blanket, shotcrete with mesh form bank slope surface Impervious barrier.
Anchor pole of the bentonite waterproof blanket by spacing no more than 5 × 5m is fixed on bank slope, shotcrete with mesh Thickness is not less than 10cm.
The grade of side slope is more than or equal to 45 ° and elevation is less than 10m, and bentonite waterproof blanket, shotcrete with mesh form bank The impervious barrier on slope surface.
Anchor pole of the bentonite waterproof blanket by spacing no more than 3 × 3m is fixed on bank slope, shotcrete with mesh Thickness is not less than 20cm.
The grade of side slope is more than or equal to 45 ° and elevation is more than or equal to 10m, and bentonite waterproof blanket, is put down at shotcrete with mesh The impervious barrier on platform formation bank slope surface.
Anchor pole of the bentonite waterproof blanket by spacing no more than 3 × 3m is fixed on bank slope, shotcrete with mesh Thickness is not less than 10cm.
The grade of side slope is more than or equal to 90 °, and bentonite waterproof blanket, reinforced concrete structure form the antiseepage on bank slope surface Layer;Anchor pole of the bentonite waterproof blanket by spacing no more than 3 × 3m is fixed on bank slope.
One end embedment that the bentonite waterproof blanket is connect with bank top has concrete flanging ditch.
The utility model has the beneficial effects that:
Because gradient difference selects different seepage control measures, when meeting antiseepage requirement, reaches investment reduction, facilitate construction Purpose;
When grade of side slope is less than 30 °, in slope seepage control layer most surface, backfill excavates rock ballast material, maximally utilizes hinge Engineering excavation material reduces cinder field scale, investment reduction;
Except grade of side slope is less than 30 ° and vertical class libraries bank surface anti-seepage layer, other impervious barriers be all made of bentonite waterproof blanket+ Shotcrete with mesh scheme antiseepage, good seepage-proof property, and paving blanket and the mixed speed of application of spray are fast, conducive to accelerating construction progress.
Detailed description of the invention
Fig. 1 is the antiseepage schematic diagram of a layer structure that the utility model side slope is less than or equal to 30 °;
Fig. 2 is that the utility model grade of side slope is greater than 30 ° and the antiseepage schematic diagram of a layer structure less than 45 °;
Fig. 3 is the antiseepage schematic diagram of a layer structure that the utility model grade of side slope is more than or equal to 45 ° and elevation is less than 10m;
Fig. 4 is the impervious barrier structural representation that the utility model grade of side slope is more than or equal to 45 ° and elevation is more than or equal to 10m Figure;
Fig. 5 the utility model grade of side slope is more than or equal to 90 ° of antiseepage schematic diagram of a layer structure;
In figure: 1- argillic horizon, 2- bentonite waterproof blanket, 3- clay protective layer, 4- rock ballast material protective layer, 5- concrete flanging Ditch, 6- shotcrete with mesh, 7- platform, 8- reinforced concrete structure.
Specific embodiment
Be described further below the technical solution of the utility model, but claimed range be not limited to it is described.
As shown in Fig. 1~5, a kind of Reservoir Bank leakage preventing structure, including basis cleaning layer, the layer gradient is cleared up according to basis, Different library bank anti-seepage schemes are selected to construct, when the grade of side slope of the basis cleaning layer is less than or equal to 30 °, in basis cleaning Argillic horizon 1, bentonite waterproof blanket 2, clay protective layer 3, rock ballast material protective layer 4 are successively laid on layer, and (surface passes through backfill rock ballast Material protective layer 4 is protected);The grade of side slope of the basis cleaning layer is greater than 30 ° and less than 45 °, on basis cleaning layer according to Secondary laying bentonite waterproof blanket 2, shotcrete with mesh 6 (being protected by shotcrete with mesh 6 on surface);The basis cleaning The grade of side slope of layer is more than or equal to 45 ° and elevation is less than 10m, is successively laid with bentonite waterproof blanket 2, linked network on basis cleaning layer Pneumatically placed concrete 6 (is protected on surface) by shotcrete with mesh 6;The grade of side slope of the basis cleaning layer is more than or equal to 45 ° And elevation is more than or equal to 10m, several platforms 7 (long 6~10m, wide to be not less than 50cm), platform 7 are outputed on basis cleaning layer Ecto-entad carries out 2% gradient, bentonite waterproof blanket 2 is successively equipped on platform 7, (surface passes through extension to shotcrete with mesh 6 In-network processing 6 is protected);The grade of side slope of the basis cleaning layer is more than or equal to 90 °, is laid on basis cleaning layer swollen Moisten native waterproof blanket 2, reinforced concrete structure 8 (being protected by reinforced concrete structure 8 on surface).
The grade of side slope is less than or equal to 30 °, argillic horizon 1, bentonite waterproof blanket 2, clay protective layer 3, the protection of rock ballast material Layer 4 forms the impervious barrier on bank slope surface.
The grade of side slope is greater than 30 degree, and less than 45 °, and bentonite waterproof blanket 2, shotcrete with mesh 6 form bank slope table The impervious barrier in face.
Anchor pole of the bentonite waterproof blanket 2 by spacing no more than 5 × 5m is fixed on bank slope, shotcrete with mesh 6 Thickness be not less than 10cm;The diameter of the shotcrete with mesh 6 is 8cm, spacing is 20cm × 20cm.
The grade of side slope is more than or equal to 45 ° and elevation is less than 10m, bentonite waterproof blanket 2, the formation of shotcrete with mesh 6 The impervious barrier on bank slope surface.
Anchor pole of the bentonite waterproof blanket 2 by spacing no more than 3 × 3m is fixed on bank slope, shotcrete with mesh 6 Thickness be not less than 20cm;The diameter of the shotcrete with mesh 6 is 8cm, spacing is 20cm × 20cm.
The grade of side slope is more than or equal to 45 ° and elevation and is more than or equal to 10m, bentonite waterproof blanket 2, shotcrete with mesh 6, The impervious barrier on the formation of platform 7 bank slope surface.
Anchor pole of the bentonite waterproof blanket 2 by spacing no more than 3 × 3m is fixed on bank slope, shotcrete with mesh 6 Thickness be not less than 10cm;The diameter of the shotcrete with mesh 6 is 8cm, spacing is 20cm × 20cm.
The grade of side slope is more than or equal to 90 °, and bentonite waterproof blanket 2, reinforced concrete structure 8 form the anti-of bank slope surface Infiltration layer;Anchor pole of the bentonite waterproof blanket 2 by spacing no more than 3 × 3m is fixed on bank slope;The armored concrete knot Structure 8 can also be replaced with using free stone masonry.
One end embedment that the bentonite waterproof blanket 2 is connect with bank top has concrete flanging ditch 5.
In conclusion different library bank leakage preventing structures can be arranged according to different gradient in the utility model, which can be fitted Different library bank slope degree are answered, simple structure is reduced investment outlay, and is applied in the Huaying hill water source project of Sichuan Province Guangan City, is worth It must promote.

Claims (10)

1. a kind of Reservoir Bank leakage preventing structure, including basis cleaning layer, it is characterised in that: when the Slope of the basis cleaning layer When degree is less than or equal to 30 °, argillic horizon (1), bentonite waterproof blanket (2), clay protective layer are successively laid on basis cleaning layer (3), rock ballast material protective layer (4);When the grade of side slope of the basis cleaning layer is greater than 30 ° and when less than 45 °, layer is cleared up on basis On be successively laid with bentonite waterproof blanket (2), shotcrete with mesh (6);When the grade of side slope of the basis cleaning layer is more than or equal to When 45 ° and elevation are less than 10m, bentonite waterproof blanket (2), shotcrete with mesh (6) are successively laid on basis cleaning layer;It is described The grade of side slope of basis cleaning layer is more than or equal to 45 ° and elevation is more than or equal to 10m, outputs several platforms on basis cleaning layer (7), platform (7) ecto-entad carries out 2% gradient, bentonite waterproof blanket (2) is successively equipped on platform (7), linked network spray mixes Solidifying soil (6);The grade of side slope of the basis cleaning layer is more than or equal to 90 °, is laid with bentonite waterproof blanket on basis cleaning layer (2), reinforced concrete structure (8).
2. Reservoir Bank leakage preventing structure as described in claim 1, it is characterised in that: the grade of side slope is less than or equal to 30 °, glues Soil layer (1), bentonite waterproof blanket (2), clay protective layer (3), rock ballast material protective layer (4) form the impervious barrier on bank slope surface.
3. Reservoir Bank leakage preventing structure as described in claim 1, it is characterised in that: the grade of side slope is greater than 30 degree, and small In 45 °, bentonite waterproof blanket (2), shotcrete with mesh (6) form the impervious barrier on bank slope surface.
4. Reservoir Bank leakage preventing structure as claimed in claim 3, it is characterised in that: between the bentonite waterproof blanket (2) passes through It is fixed on bank slope away from the anchor pole no more than 5 × 5m, the thickness of shotcrete with mesh (6) is not less than 10cm.
5. Reservoir Bank leakage preventing structure as described in claim 1, it is characterised in that: the grade of side slope be more than or equal to 45 ° and Elevation is less than 10m, and bentonite waterproof blanket (2), shotcrete with mesh (6) form the impervious barrier on bank slope surface.
6. Reservoir Bank leakage preventing structure as claimed in claim 5, it is characterised in that: between the bentonite waterproof blanket (2) passes through It is fixed on bank slope away from the anchor pole no more than 3 × 3m, the thickness of shotcrete with mesh (6) is not less than 20cm.
7. Reservoir Bank leakage preventing structure as described in claim 1, it is characterised in that: the grade of side slope be more than or equal to 45 ° and Elevation is more than or equal to 10m, and bentonite waterproof blanket (2), shotcrete with mesh (6), platform (7) form the impervious barrier on bank slope surface.
8. Reservoir Bank leakage preventing structure as claimed in claim 7, it is characterised in that: between the bentonite waterproof blanket (2) passes through It is fixed on bank slope away from the anchor pole no more than 3 × 3m, the thickness of shotcrete with mesh (6) is not less than 10cm.
9. Reservoir Bank leakage preventing structure as described in claim 1, it is characterised in that: the grade of side slope is swollen more than or equal to 90 ° Moisten the impervious barrier of native waterproof blanket (2), reinforced concrete structure (8) formation bank slope surface;Between the bentonite waterproof blanket (2) passes through It is fixed on bank slope away from the anchor pole no more than 3 × 3m.
10. the Reservoir Bank leakage preventing structure as described in any one of claim 1,2,3,7,9, it is characterised in that: described swollen Moistening one end embedment that native waterproof blanket (2) connect with bank top has concrete flanging ditch (5).
CN201821095985.0U 2018-07-11 2018-07-11 A kind of Reservoir Bank leakage preventing structure Active CN209194466U (en)

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CN201821095985.0U CN209194466U (en) 2018-07-11 2018-07-11 A kind of Reservoir Bank leakage preventing structure

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Application Number Priority Date Filing Date Title
CN201821095985.0U CN209194466U (en) 2018-07-11 2018-07-11 A kind of Reservoir Bank leakage preventing structure

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112681396A (en) * 2020-12-25 2021-04-20 中邦汇泽园林环境建设有限公司 Anti-seepage method for artificial water system in cold region city

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112681396A (en) * 2020-12-25 2021-04-20 中邦汇泽园林环境建设有限公司 Anti-seepage method for artificial water system in cold region city

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