CN206070488U - Dam body seepage laminar composite, dam body seepage structure - Google Patents

Dam body seepage laminar composite, dam body seepage structure Download PDF

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Publication number
CN206070488U
CN206070488U CN201621037788.4U CN201621037788U CN206070488U CN 206070488 U CN206070488 U CN 206070488U CN 201621037788 U CN201621037788 U CN 201621037788U CN 206070488 U CN206070488 U CN 206070488U
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China
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layer
dam body
laminar composite
dam
seepage
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Withdrawn - After Issue
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CN201621037788.4U
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Chinese (zh)
Inventor
张琦
余学明
金伟
夏勇
张启煌
陈思帆
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PowerChina Chengdu Engineering Co Ltd
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PowerChina Chengdu Engineering Co Ltd
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Abstract

The utility model discloses a kind of dam body seepage laminar composite, dam body seepage structure, belong to Hydraulic and Hydro-Power Engineering field.One kind is provided and is applied to dam body seepage laminar composite and dam body seepage structure, it is possible to resolve because leakage preventing structure is the problems such as crack occurs in the deformation of dam body, and then guarantee the anti-seepage effect of dam.This utility model is by way of adopting the packing layer interlayer of flexible casing play and flexibility and arranging, when for seepage control of dam, laminar composite can deform accordingly with the deformation of dam, can be prevented effectively from the problem that crack occurs in impervious body, it can thus be ensured that the anti-seepage effect of dam.And, laminar composite can be also produced in batches in factory, therefore can effectively improve the efficiency of seepage control of dam construction, reduce construction cost.In addition, laminar composite has preferably being connected with each other property with the material of dam body, delamination generation can be prevented effectively from;And can also be used in the leakage preventing structure of concrete surface crack reparation.

Description

Dam body seepage laminar composite, dam body seepage structure
Technical field
This utility model belongs to Hydraulic and Hydro-Power Engineering field, more particularly in Hydraulic and Hydro-Power Engineering dam antiseepage Technical field, specifically a kind of dam body seepage laminar composite, dam body seepage structure and its construction method.
Background technology
In prior art, the impervious body or antiseepage Rotating fields arranged to dam mainly has armored concrete, clay, Colophonium Concrete, steel etc. several ways, and the shortcoming of above-mentioned these leakage preventing structures is to be difficult in adapt to antiseepage supporter or dam body The moderate finite deformation of itself.Particularly with the height of dam for gradually increasing in recent years more than 200m be even greater than 300m rock-fill dams or For high dam is built on supper-deep overburdened layer, the deflection at its each position of later stage dam body is often larger;Therefore, using above-mentioned existing anti- Mode is oozed, is difficult to meet antiseepage requirement of the dam body under the conditions of large deformation, is easily gone out because of leakage preventing structure with the deformation of dam body The problems such as existing crack, and then cause the situation of seepage to occur, cause antiseepage purpose to fail;And above-mentioned leakage preventing structure is constructed into This is higher.In addition, also using the leakage preventing structure of composite geo-membrane, but be easily broken due to which, it is aging, asked by chemical attack etc. Topic is limited, and is normally only usually used in the high checkdams of 20m, the not super 100m of highest dash.
Utility model content
The technical problem that this utility model is solved is to provide one kind and is applied to dam body seepage laminar composite and dam Body leakage preventing structure, it is possible to resolve because leakage preventing structure is the problems such as crack occurs in the deformation of dam body, and then guarantee the antiseepage effect of dam Really.
This utility model solves the technical scheme adopted by its technical problem:Dam body seepage laminar composite, institute Stating laminar composite includes that at least one of which casing play and at least one of which packing layer, the casing play and packing layer are spaced successively and set Put;The casing play is the one layer of flexible layer laid by chemical fiber web, and described filler layer is by Colophonium or clay or gravel Stone soil or one layer of flexible layer of polyurethane or epoxy resin laying;Fill out when being respectively arranged with the both sides of same layer casing play During the bed of material, the packing layer positioned at the casing play both sides is mutual by the online hollow out grid of the chemical fibre for constituting this layer of casing play Connection.
It is further:The material of the chemical fiber web is glass fibre, terylene, chinlon, polypropylene, acrylon, polyvinyl chloride fibre, ammonia At least one in synthetic fibre, carbon fiber and aramid fiber.
It is further:The thickness of every layer of casing play is 0.2mm-1mm;The thickness of each layer of packing layer is D, and D Span is 0.5mm-10mm.
It is further:The casing play at least provided with one layer, described filler layer at least provided with two-layer, in every layer of bone The both sides of rack-layer are provided with one layer of packing layer.
It is further:In every layer of packing layer, this layer of filler is provided through along the width of laminar composite The gap of layer;In same packing layer, multiple gaps are provided with along what the length direction of laminar composite was spaced;Together When, along the length direction of laminar composite, the gap in adjacent two layers packing layer is staggered setting.
It is further:The thickness of each layer of packing layer is D, and the width in the gap is L, and has 0 < L≤2D.
It is further:The S-shaped bending of layered composite, and each layer of casing play and each layer of packing layer S-shaped bending;When gap is provided with, the S-shaped is forniciform to move towards consistent with the length direction in gap.
The beneficial effect of above-mentioned dam body seepage laminar composite described in the utility model is:Using flexible casing play The mode arranged with flexible packing layer interlayer, and by adopt for dam environment and specific material as packing layer, Therefore obtain suitable for dam, and with certain flexibility and sealing property laminar composite.So, for dam During antiseepage, laminar composite described in the utility model can deform accordingly with the deformation of dam, can be prevented effectively from anti- The problem that crack occurs in body is oozed, it can thus be ensured that the anti-seepage effect of dam.In addition, lamellar composite material described in the utility model Material, transports dam again to after being also the finished product with one fixed width and length in factory's batch production and is constructed, therefore can have The efficiency for improving seepage control of dam construction of effect, reduces construction cost.And, laminar composite described in the utility model due to From specific packing layer, thus which has preferably being connected with each other property with the material of dam body, can be prevented effectively from the situation of layering Occur.
In addition, this utility model also provides a kind of dam body seepage structure, including coating and it is arranged on above coating Dam body, the dam body are piled up by enrockment and are formed, and impervious barrier is arranged in the upstream side of the dam body or inside dam body, described anti- Infiltration layer is formed by above-mentioned laminar composite laying described in the utility model, and layered composite extends from dam body top To the bottom of dam body;When the S-shaped bending of layered composite, the S-shaped is forniciform to be moved towards to hang down with dam body axis Directly.
It is further:Also include concrete cut, the top of the concrete cut is connected with impervious barrier, coagulation The bottom of native cut-pff wall is deep in the horizon d being positioned over below layer through after coating;In the surface laying one of impervious barrier Layer concrete or block cobble protective layer.
It is further:Also include revetment, the revetment is laid on the lower surface of protective layer.
Above-mentioned dam body seepage structure described in the utility model, which passes through using lamellar composite material described in the utility model Material, so that the antiseepage of dam body is suitable for the corresponding deformation situation of dam body;And further by by laminar composite with Corresponding concrete cut is connected, and can effectively improve the overall anti-seepage effect of dam.
In addition, this utility model also provides a kind of dam body seepage construction method, which is directed to above-mentioned this utility model institute The dam body seepage structure stated, comprises the steps,
A, dam embankment construction is carried out, after the completion of dam construction, the surface of dam body upstream side is arranged to into S-shaped concavo-convex Shape, and the concavo-convex trend of the S-shaped is from the bottom of dam body stream side surface to top;
B, the laying casing play being spaced on the concavo-convex surface of S-shaped successively and packing layer are forming impervious barrier, and per layer The casing play and every layer of packing layer curved shape concavo-convex with S-shaped is consistent;Or claim 1 to 7 is laid on S-shaped is concavo-convex Any one of laminar composite as impervious barrier, and make laminar composite and the concavo-convex curved shape of S-shaped Unanimously;
C, a layer concrete or block cobble protective layer are laid on the surface of impervious barrier.
The beneficial effect of dam body seepage construction method described in the utility model is:Work progress is simple, can be according to existing Field condition of construction adopts scene, and successively laying construction is carried out with forming impervious barrier or the direct laminar composite using finished product Lay to form impervious barrier;Thus efficiency of construction can be improved, reduce construction cost.
Description of the drawings
Fig. 1 is the top view of the dam body seepage laminar composite described in utility model;
3-D views of the Fig. 2 for Fig. 1;
Cross-sectional view when Fig. 3 is laminar composite S-shaped bending;
Fig. 4 is laminar composite in cross-sectional view during tabular;
Longitudinal cross section schematics of the Fig. 5 for laminar composite;
Top views of the Fig. 6 for monolayer casing play;
Fig. 7 is to arrange the structural representation of impervious barrier in the upstream side of dam body, and corresponding laminar composite is S-shaped Bending;
Fig. 8 is the enlarged diagram of regional area A in Fig. 7;
Fig. 9 shows for the structure in Fig. 7 during laminar composite forniciform by flat laminar composite replacement S-shaped It is intended to;
Figure 10 is to arrange the structural representation of impervious barrier at the middle part of dam body, and corresponding laminar composite is S-shaped Bending;
Figure 11 is the enlarged diagram of regional area B in Figure 10;
Figure 12 is the structure in Figure 10 during laminar composite forniciform by flat laminar composite replacement S-shaped Schematic diagram;
It is labeled as in figure:Casing play 1, packing layer 2, hollow out grid 3, gap 4, coating 5, dam body 6, laminar composite 7th, dam body axis 8, concrete cut 9, horizon d 10, impervious barrier 11, protective layer 12, the thickness D of revetment 13, packing layer, seam The width L of gap..
Specific embodiment
With reference to the accompanying drawings and detailed description this utility model is further illustrated.
As shown in Fig. 1 to Fig. 6, dam body seepage laminar composite described in the utility model is layered compound Material includes at least one of which casing play 1 and at least one of which packing layer 2, the casing play 1 and packing layer 2 interval setting successively;Institute It is the one layer of flexible layer laid by chemical fiber web to state casing play 1, and described filler layer 2 is by Colophonium or clay or gravelly soil Or one layer of flexible layer of polyurethane or epoxy resin laying;When being respectively arranged with filler in the both sides of same layer casing play 1 During layer 2, the packing layer 2 positioned at 1 both sides of casing play is by the online hollow out grid 3 of the chemical fibre for constituting this layer of casing play 1 It is connected with each other.
Wherein, casing play 1 and packing layer 2 are respectively set to the layer structure with certain flexibility, why require its tool There is certain flexibility, its purpose is to so that the laminar composite for finally giving integrally with certain flexibility is so It is suitable for the situation of dam body later stage deformation;And then avoid laminar composite from occurring crack problem in deformation process, it is ensured that it is anti- Ooze the effectiveness of effect.More specifically, in order to realize the requirement of above-mentioned flexibility while considering the antiseepage demand for dam, enter It is the one layer of flexible layer laid by Colophonium or clay or gravelly soil or polyurethane or epoxy resin that one step arranges packing layer 2, It is the one layer of flexible layer laid by chemical fiber web to arrange casing play 1 simultaneously.Due to above-mentioned packing layer 2 adopt material with The material of dam body has preferable switching performance, therefore, tied as antiseepage using laminar composite described in the utility model During structure, the situation for layering occur can be prevented effectively from.
Predominantly following 3 points of the effect of the casing play 1 described in this utility model, first is, with certain flexibility, can Realization deforms therewith with the deformation of country rock;Second, by the casing play 1 specifically made using chemical fiber web, it is ensured that should Rotating fields have larger intensity and non-deformability;3rd, by using netted setting, can effectively improve casing play 1 and phase Annexation between the packing layer 2 answered, and also can pass through casing play 1 on hollow out grid 3 realize both sides packing layer 2 it Between effectively connection, can so ensure the overall fastness of laminar composite, it is to avoid go out between each layer of laminar composite Existing delamination.
Predominantly following 3 points of the effect of the packing layer 2 described in this utility model, first, with certain flexibility, can be real Now deform with the deformation of country rock therewith, thus crack can be avoided the occurrence of;Second, anti-seepage effect is played by packing layer, therefore Packing layer is needed from the material with preferable cohesiveness and water-resisting property, specifically adopt in this utility model Colophonium or clay or Gravelly soil or polyurethane or the one of which in epoxy resin, especially to adopt Colophonium or clay or gravelly soil as excellent, its advantage It is the concrete condition for seepage control of dam, using above-mentioned material, it is ensured that sealing property, while material cost is relatively low, especially Which is even more with low cost when using Colophonium or clay or gravelly soil, and is drawn materials easily;3rd, due to dam body materialses it is general For earth rock materials such as enrockment, gravels, therefore the material of above-mentioned packing layer 2 has preferable switching performance with the material of dam body, can It is prevented effectively from the situation for layering occur.
In addition, composition casing play 1 chemical fiber web material can select glass fibre, terylene, chinlon, polypropylene, acrylon, At least one in polyvinyl chloride fibre, spandex, carbon fiber and aramid fiber;Casing play 1 should have some strength, especially tensile strength.Cause Need with certain flexibility for packing layer 2, thus by the packing layer 2 from above-mentioned material after, its tensile strength often compared with It is weak, now, by the structure for arranging casing play 1 and packing layer 2, it is ensured that the overall intensity of laminar composite, especially resist Tensile strength, and then after avoiding laminar composite tension, there is the problem in crack.
More specifically, for each layer of casing play, which is chemical fibre net-layer structure, and its thickness is generally by chemical fiber web The material thickness of layer determines that generally its thickness only has 0.2mm-1mm or so;And for the thickness D of each layer of packing layer 2, not Have strict restriction, typically can span be 0.5mm-10mm;Specifically also dependent on practical situation depending on.And, for skeleton The setting number of plies of layer 1 and packing layer 2, it is not restricted, in order to play the protected effect to casing play 1, generally arrange Into packing layer 2 the number of plies than casing play 1 the number of plies more than one layer of structure, be provided with one layer in the both sides of every layer of casing play 1 and fill out The bed of material 2.Such as at least provided with one layer of casing play 1, and two-layer packing layer 2 is set.Certainly, finally need also dependent on laminar composite The thickness wanted, and the depth information of every layer of casing play 1 and packing layer 2 come it is comprehensive the number of plies of casing play 1 and packing layer 2 is set with And the depth information of monolayer.
In addition, on the basis of the above, can also further in every layer of packing layer 2, along the width of laminar composite It is provided through the gap 4 of this layer of packing layer 2;In same packing layer 2, along setting that the length direction of laminar composite is spaced It is equipped with multiple gaps 4;Meanwhile, in the seam along the length direction of laminar composite, in adjacent two layers packing layer 2 Gap 4 staggers setting;Situation shown in accompanying drawing is can refer to specifically.The effect in above-mentioned setting gap 4 is to allow same layer packing layer 2 Certain cushioning effect, and then reinforcer can be played by gap 4 when deforming in the interior part positioned at 4 both sides of gap 2 non-deformability in the longitudinal direction of layer, and finally strengthen laminar composite non-deformability in the longitudinal direction.And enter Gap 4 in the adjacent two layers packing layer 2 is staggered setting by one step, as shown in Figure 5, is then to ensure lamellar composite material The overall sealing of material and structural strength.More specifically, generally, when each layer of packing layer 2 thickness be D, the seam When the width of gap 4 is L, 0 < L≤2D can be provided with.
In addition, the structure in above-mentioned setting gap 4, its purpose mainly strengthens laminar composite in the longitudinal direction anti- Deformability.And the non-deformability for laminar composite in the direction of the width, this utility model can further by such as Lower setting:As shown in Figures 2 and 3, by layered composite S-shaped bending, and each layer of casing play 1 and each The S-shaped bending of layer packing layer 2;When gap 4 is provided with, the forniciform length direction one moved towards with gap 4 of the S-shaped Cause.Certainly, in the S-shaped bending of above-mentioned laminate composite, the forniciform trend of its specific S-shaped refer to such as Fig. 2 and Corresponding arrow direction in Fig. 3.So, when needed, can pass through to arrange the structure in gap 4 and/or lamellar composite material is set Expect S-shaped forniciform structure to strengthen the corresponding non-deformability of laminar composite.
In addition, dam body seepage structure described in the utility model, including coating 5 and the dam being arranged on above coating 5 Body 6, the dam body 6 are piled up by enrockment and are formed, and arrange impervious barrier 11, institute in the upstream side of the dam body 6 or inside dam body 6 State impervious barrier 11 to be formed by the laying of above-mentioned laminar composite described in the utility model 7, layered composite 7 is from dam body 6 tops extend to the bottom of dam body 6;When the S-shaped bending of layered composite, the forniciform trend of the S-shaped with Dam body axis 8 is vertical.Wherein, so-called dam body 6 is piled up by enrockment and is formed, and refers to such dam body typically by the soil stone such as enrockment, gravel Material is directly piled up or is piled up after rolling and forms, therefore its barrier performance is poor, so just needing to arrange corresponding anti- Infiltration level structure.And, dam body seepage structure described in the utility model is particularly suited for high dam or build on deep covering layer Dam;Certainly, can also be used in theory in the seepage control project of weir or other common dam bodys etc..
As for the concrete set location of impervious barrier 11, generally, can arrange in the upstream side of dam body 6, such as Fig. 7 is to figure Situation shown in 9, or impervious barrier 11 can be set in the centre position inside dam body 6, as shown in Figure 10 to 12.And, by In using laminar composite described in the utility model 7 as impervious barrier 11, therefore can cause impervious barrier 11 have it is stronger Non-deformability, even if dam body occurs larger deformation, can also avoid impervious barrier 11 from crack occur, thus can play stronger Anti-seepage effect.
In addition, generally, also including concrete cut 9, top and the impervious barrier 11 of the concrete cut 9 Connection, the bottom of concrete cut 9 are deep in the horizon d 10 being positioned over below layer 5 through after coating 5.Concrete The effect of cut-pff wall 9 is mainly played to the antiseepage in coating 5;And the above-mentioned impervious barrier 11 that is arranged in dam body 6 has been then To the antiseepage to dam body 6, therefore, by concrete cut 9 and impervious barrier 11 are attached, overall antiseepage effect can be strengthened Really.In addition, in order to play the protection to impervious barrier 11, when impervious barrier to be typically arranged on the upstream side of dam body, further can exist Lay a layer concrete or block cobble protective layer 12 in the surface of impervious barrier 11.Can also lay in the lower surface of protective layer 12 in addition One layer of revetment 13.
Specifically, as shown in figures 7 and 9, it is that impervious barrier 11 is set in the upstream side of dam 6, and corresponding in Fig. 7 is It is arranged to forniciform 11 structure of impervious barrier of S-shaped, and Fig. 9 is then using flat impervious barrier 11.And such as Figure 10 and Figure 12 institutes Show, be that impervious barrier 11 is set in the medium position of dam 6, and it is corresponding to be arranged to the forniciform impervious barrier of S-shaped in Figure 10 11 structures, and Figure 12 is then using flat impervious barrier 11.
In addition, laminar composite described in the utility model 7 can carry out laying construction at the scene of dam form, Can be transported to dam after the finished product with one fixed width and length is produced as in factory again and be laid.This utility model is provided A kind of construction method laid in dam, comprises the steps:
A, 6 filling construction of dam body is carried out, after the completion of dam body 6 is constructed, the surface of 6 upstream side of dam body is arranged to into S-shaped recessed Convex, and the concavo-convex trend of the S-shaped is from the bottom of 6 stream side surface of dam body to top;
B, the laying casing play 1 being spaced on the concavo-convex surface of S-shaped successively and packing layer 2 to form impervious barrier 11, and Every layer of casing play 1 and every layer of curved shape concavo-convex with S-shaped of packing layer 2 are consistent;Or laying right will on S-shaped is concavo-convex The laminar composite 7 any one of 1 to 7 is sought as impervious barrier 11, and makes laminar composite 7 concavo-convex with S-shaped Curved shape it is consistent;
C, a layer concrete or block cobble protective layer 12 are laid on the surface of impervious barrier 11.
At that time, it is directed to lay the Specific construction mode of impervious barrier 11 in the upstream side of dam body 6 in above-mentioned steps A, such as When fruit needs for impervious barrier to arrange the medium position of dam body 6, also can be replaced by the form of construction work of phase, for example, first build dam body The body of wall of 6 sides, then carries out the construction of impervious barrier 11, and the body of wall for carrying out 6 opposite side of dam body afterwards again is built.
In addition, in stepb, it is casing play 1 or packing layer 2 as the ground floor in the concavo-convex surface laying of S-shaped, It is not strictly necessary that, generally, one layer of packing layer 2 can be first laid, and according to " packing layer 2- casing play 1- packing layer 2- The paving mode of casing play 1- packing layers 2 ...-casing play 1- packing layers 2 " is laid;Under this kind of paving mode, packing layer 2 All the time the protected effect to casing play 1 can so will be played than more than 1 one layers of casing play.
Certainly, if need to carry out in above-mentioned construction method the construction of concrete cut 9, should apply above-mentioned Carry out before the step of work method A.
Above-mentioned dam body seepage laminar composite described in the utility model, in theory, which is except can be used for dam body Seepage control project outside, it can also be used in the leakage preventing structure that concrete surface crack is repaired, such as in core wall dam concrete cover or In the xoncrete structures such as the gallery being built on deep covering layer, as basic constraint is big, Construction control is unfavorable, temperature change, The impact of a variety of causes such as aggregate difference, and produce crack in concrete surface and then affect the antiseepage of xoncrete structure not When good, dam body seepage laminar composite described in the utility model may also be employed for repairing such crack, which can also have The reparation crack of effect, while playing extraordinary anti-seepage effect.

Claims (9)

1. dam body seepage laminar composite, it is characterised in that:Layered composite includes at least one of which casing play (1) With at least one of which packing layer (2), the casing play (1) and packing layer (2) interval setting successively;The casing play (1) is by changing One layer of flexible layer of fleece laying is learned, described filler layer (2) is by Colophonium or clay or gravelly soil or polyurethane or ring One layer of flexible layer of oxygen tree fat laying;When packing layer (2) are respectively arranged with the both sides of same layer casing play (1), position In the casing play (1) both sides packing layer (2) by the online hollow out grid (3) of the chemical fibre for constituting this layer of casing play (1) It is connected with each other.
2. dam body seepage laminar composite as claimed in claim 1, it is characterised in that:The material of the chemical fiber web For the one kind in glass fibre, terylene, chinlon, polypropylene, acrylon, polyvinyl chloride fibre, spandex, carbon fiber and aramid fiber.
3. dam body seepage laminar composite as claimed in claim 1, it is characterised in that:The thickness of every layer of casing play (1) For 0.2mm-1mm;The thickness of each layer of packing layer (2) is D, and the span of D is 0.5mm-10mm.
4. dam body seepage laminar composite as claimed in claim 1, it is characterised in that:The casing play (1) at least sets One layer is equipped with, described filler layer (2) is provided with one layer packing layer in the both sides of every layer of casing play (1) at least provided with two-layer (2)。
5. dam body seepage laminar composite as claimed in claim 1, it is characterised in that:In every layer of packing layer (2), edge The width of laminar composite is provided through the gap (4) of this layer of packing layer (2);In same packing layer (2), along layer What the length direction of shape composite was spaced is provided with multiple gaps (4);Meanwhile, along the length side of laminar composite Upwards, the gap (4) in adjacent two layers packing layer (2) is staggered setting.
6. dam body seepage laminar composite as claimed in claim 5, it is characterised in that:The thickness of each layer of packing layer (2) Spend for D, the width of the gap (4) is L, and has 0 < L≤2D.
7. the dam body seepage laminar composite as any one of claim 1 to 6, it is characterised in that:It is layered The S-shaped bending of composite, and each layer of casing play (1) and the S-shaped bending of each layer of packing layer (2);Work as setting When having gap (4), the S-shaped is forniciform to move towards consistent with the length direction of gap (4).
8. dam body seepage structure, including coating (5) and the dam body (6) being arranged on above coating (5), the dam body (6) by Enrockment is piled up and is formed, it is characterised in that:In the upstream side of the dam body (6) or inside dam body (6), impervious barrier (11) is set, Laminar composite (7) laying of the impervious barrier (11) by any one of the claims 1 to 7 is formed, the layer Shape composite (7) extends to the bottom of dam body (6) from dam body (6) top;When the S-shaped bending of layered composite When, the S-shaped is forniciform to move towards vertical with dam body axis (8).
9. dam body seepage structure as claimed in claim 8, it is characterised in that:Also include concrete cut (9), the coagulation The top of native cut-pff wall (9) is connected with impervious barrier (11), and the bottom of concrete cut (9) is deep into through after coating (5) Be positioned over the horizon d (10) below layer (5) Nei, a layer concrete or the protection of block cobble are laid on the surface of impervious barrier (11) Layer (12).
CN201621037788.4U 2016-09-05 2016-09-05 Dam body seepage laminar composite, dam body seepage structure Withdrawn - After Issue CN206070488U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106245590A (en) * 2016-09-05 2016-12-21 中国电建集团成都勘测设计研究院有限公司 Dam body seepage laminar composite, dam body seepage structure and construction method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106245590A (en) * 2016-09-05 2016-12-21 中国电建集团成都勘测设计研究院有限公司 Dam body seepage laminar composite, dam body seepage structure and construction method thereof
CN106245590B (en) * 2016-09-05 2019-01-01 中国电建集团成都勘测设计研究院有限公司 Dam body seepage laminar composite, dam body seepage structure and its construction method

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