CN106245590A - Dam body seepage laminar composite, dam body seepage structure and construction method thereof - Google Patents
Dam body seepage laminar composite, dam body seepage structure and construction method thereof Download PDFInfo
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- CN106245590A CN106245590A CN201610802911.5A CN201610802911A CN106245590A CN 106245590 A CN106245590 A CN 106245590A CN 201610802911 A CN201610802911 A CN 201610802911A CN 106245590 A CN106245590 A CN 106245590A
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- layer
- dam body
- laminar composite
- seepage
- dam
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/16—Sealings or joints
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B11/00—Layered products comprising a layer of bituminous or tarry substances
- B32B11/10—Layered products comprising a layer of bituminous or tarry substances next to a fibrous or filamentary layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
- B32B5/028—Net structure, e.g. spaced apart filaments bonded at the crossing points
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
- B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
- B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B9/00—Layered products comprising a layer of a particular substance not covered by groups B32B11/00 - B32B29/00
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Revetment (AREA)
Abstract
The invention discloses a kind of dam body seepage laminar composite, dam body seepage structure and construction method thereof, belong to Hydraulic and Hydro-Power Engineering field.One is provided to be applicable to dam body seepage laminar composite and dam body seepage structure, it is possible to resolve because the problems such as crack occurs with the deformation of dam body in leakage preventing structure, and then to guarantee the anti-seepage effect of dam.The present invention is by the way of using flexible casing play and the setting of flexible packing layer interlayer, when for seepage control of dam, laminar composite can deform accordingly along with the deformation of dam, can be prevented effectively from impervious body and the problem in crack occurs, it can thus be ensured that the anti-seepage effect of dam.And, laminar composite, also can produce in batches in factory, therefore can effectively improve the efficiency of seepage control of dam construction, reduce construction cost.It addition, the material of laminar composite and dam body has preferably being connected with each other property, delamination can be prevented effectively from and occur；And can also be used in the leakage preventing structure that concrete surface crack is repaired.
Description
Technical field
The invention belongs to Hydraulic and Hydro-Power Engineering field, particularly relate to the seepage control technique of dam in Hydraulic and Hydro-Power Engineering
Field, specifically a kind of dam body seepage laminar composite, dam body seepage structure and construction method thereof.
Background technology
In prior art, the impervious body or the impervious barrier structure that arrange dam mainly have armored concrete, clay, Colophonium
Concrete, steel etc. several ways, and the shortcoming of these leakage preventing structures above-mentioned is to be difficult in adapt to antiseepage supporter or dam body
The moderate finite deformation of self.Particularly with the height of dam the most gradually increased more than 200m be even greater than 300m rock-fill dams or
For building high dam on supper-deep overburdened layer, the deflection at its each position of later stage dam body is the biggest；Therefore, use above-mentioned existing anti-
Ooze mode, be all difficult to the antiseepage requirement meeting dam body under the conditions of large deformation, easily go out with the deformation of dam body because of leakage preventing structure
The problems such as existing crack, and then cause the situation of seepage to occur, cause the failure of antiseepage purpose；And being constructed into of above-mentioned leakage preventing structure
This is higher.It addition, also have use composite geo-membrane leakage preventing structure, but due to its be easily broken, aging, asked by chemical attack etc.
Topic limits, and is normally only usually used in 20m height checkdam, and top gear water does not surpass 100m.
Summary of the invention
Present invention solves the technical problem that being to provide one is applicable to dam body seepage laminar composite and dam body and prevents
Ooze structure, it is possible to resolve because the problems such as crack occurs with the deformation of dam body in leakage preventing structure, and then guarantee the anti-seepage effect of dam.Separately
Outward, the present invention also provides for the construction method of a kind of dam body seepage structure, and it can improve efficiency of construction, and then reduces construction cost.
The technical solution adopted for the present invention to solve the technical problems is: dam body seepage laminar composite, described layer
Shape composite includes at least one of which casing play and at least one of which packing layer, and described casing play and packing layer are spaced setting successively；
Described casing play is the one layer of flexible layer laid by chemical fiber web, and described packing layer is by Colophonium or clay or gravelly soil
Or one layer of flexible layer that polyurethane or epoxy resin are laid；When the both sides at same layer casing play are respectively arranged with packing layer
Time, the packing layer being positioned at these casing play both sides is interconnected mutually by the hollow out grid that the chemical fibre forming this layer of casing play is online
Connect.
Further: the material of described 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.
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.
Further: described casing play is at least provided with one layer, and described packing layer is at least provided with two-layer, at every layer of bone
The both sides of rack-layer are provided with one layer of packing layer.
Further: in every layer of packing layer, the width along laminar composite is provided through this layer of filler
The gap of layer；In same packing layer, what the length direction along laminar composite was spaced is provided with multiple described gap；With
Time, along the length direction of laminar composite, it is positioned at the gap of adjacent two layers packing layer and staggers setting.
Further: the thickness of each layer of packing layer is D, the width in described gap is L, and has 0 ＜ L≤2D.
Further: the S-shaped bending of layered composite, and each layer of casing play and each layer of packing layer
The most S-shaped bending；When being provided with gap, the forniciform trend of described S-shaped is consistent with the length direction in gap.
Described in the invention described above, dam body seepage laminar composite provides the benefit that: use flexible casing play and soft
Property packing layer interlayer arrange mode, and by employing for dam environment, specific material is as packing layer, therefore
Obtain being applicable to dam, and there is certain flexibility and sealing property laminar composite.So, for seepage control of dam
Time, laminar composite of the present invention can deform accordingly along with the deformation of dam, can be prevented effectively from impervious body and occur
The problem in crack, it can thus be ensured that the anti-seepage effect of dam.It addition, laminar composite of the present invention, also can be in factory
Transport dam again to after producing the finished product being there is one fixed width and length in batches to construct, therefore can effectively improve dam and prevent
Ooze the efficiency of construction, reduce construction cost.And, laminar composite of the present invention due to select specific packing layer,
Thus its material with dam body has preferably being connected with each other property, the situation that can be prevented effectively from layering occurs.
It addition, the present invention also provides for a kind of dam body seepage structure, including cover layer be arranged on the dam body above cover layer,
Described dam body is piled up by enrockment and is formed, at the upstream side of described dam body or arrange impervious barrier inside dam body, and described impervious barrier
Being laid by the laminar composite described in the invention described above and form, layered composite extends to dam body from dam body top
Bottom；When the S-shaped bending of layered composite, the forniciform trend of described S-shaped is vertical with dam body axis.
Further: also include that concrete cut, the top of described concrete cut are connected with impervious barrier, coagulation
The bottom of soil cut-pff wall is deep in the horizon d being positioned over below layer after cover layer；One is laid on the surface of impervious barrier
Layer concrete or block cobble protective layer.
Further: also include that revetment, described revetment are laid on the lower surface of protective layer.
Dam body seepage structure described in the invention described above, it is by using laminar composite of the present invention, thus
The antiseepage making dam body is suitable for the corresponding deformation situation of dam body；And further by laminar composite is mixed with corresponding
Solidifying soil cut-pff wall is connected, and can effectively improve the anti-seepage effect that dam is overall.
It addition, the present invention also provides for a kind of dam body seepage construction method, it is for the dam body described in the invention described above
Leakage preventing structure, comprises the steps,
A, carry out dam embankment construction, after dam construction completes, become S-shaped concavo-convex the surface configuration of dam body upstream side
Shape, and concavo-convex the moving towards from the bottom of dam body stream side surface to top of described S-shaped；
B, the laying casing play being spaced successively on the surface that S-shaped is concavo-convex and packing layer to form impervious barrier, and every layer
The casing play curved shape concavo-convex with every layer of packing layer and S-shaped is consistent；Or on S-shaped is concavo-convex, lay claim 1 to 7
According to any one of laminar composite as impervious barrier, and make the concavo-convex curved shape of laminar composite and S-shaped
Unanimously；
C, lay a layer concrete or block cobble protective layer on the surface of impervious barrier.
Dam body seepage construction method of the present invention provides the benefit that: work progress is simple, can execute according to scene
Work situation uses on-the-spot successively laying construction to form impervious barrier or directly to use the laminar composite of finished product to lay
To form impervious barrier；Thus efficiency of construction can be improved, reduce construction cost.
Accompanying drawing explanation
Fig. 1 is the top view inventing described dam body seepage laminar composite；
Fig. 2 is the 3-D view of Fig. 1；
Fig. 3 is cross sectional representation during the S-shaped bending of laminar composite；
Fig. 4 is laminar composite cross sectional representation when being tabular；
Fig. 5 is the Longitudinal cross section schematic of laminar composite；
Fig. 6 is the top view of monolayer casing play；
Fig. 7 is the structural representation arranging impervious barrier at 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 is to be replaced structure during the forniciform laminar composite of S-shaped to show by flat laminar composite in Fig. 7
It is intended to；
Figure 10 is the structural representation arranging 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 to be replaced structure during the forniciform laminar composite of S-shaped by flat laminar composite in Figure 10
Schematic diagram；
Figure is labeled as: casing play 1, packing layer 2, hollow out grid 3, gap 4, cover layer 5, dam body 6, laminar composite
7, dam body axis 8, concrete cut 9, horizon d 10, impervious barrier 11, protective layer 12, revetment 13, the thickness D of packing layer, seam
The width L of gap.
Detailed description of the invention
The present invention is further described with detailed description of the invention below in conjunction with the accompanying drawings.
As shown in Fig. 1 to Fig. 6, dam body seepage laminar composite of the present invention, layered composite
Including at least one of which casing play 1 and at least one of which packing layer 2, described casing play 1 and packing layer 2 are spaced setting successively；Described bone
Rack-layer 1 is the one layer of flexible layer laid by chemical fiber web, and described packing layer 2 is by Colophonium or clay or gravelly soil or poly-
One layer of flexible layer that amine fat or epoxy resin are laid；When the both sides at same layer casing play 1 are respectively arranged with packing layer 2
Time, the packing layer 2 being positioned at these casing play 1 both sides is mutual by the hollow out grid 3 that the chemical fibre forming this layer of casing play 1 is online
Connect.
Wherein, casing play 1 and packing layer 2 are respectively set to the layer structure with certain flexibility, why require that it has
There is certain flexibility, its purpose is to the laminar composite entirety so that finally giving and there is certain flexibility, be so
It is suitable for the situation of dam body later stage deformation；And then avoid laminar composite that crack problem occurs in deformation process, it is ensured that anti-
Ooze the effectiveness of effect.More specifically, simultaneously take account of the antiseepage demand for dam to realize the requirement of above-mentioned flexibility, 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,
Arrange casing play 1 is the one layer of flexible layer laid by chemical fiber web simultaneously.Due to above-mentioned packing layer 2 use material with
The material of dam body has preferable switching performance, therefore, when using laminar composite of the present invention as leakage preventing structure,
The situation that layering occurs can be prevented effectively from.
The effect of heretofore described casing play 1 is mainly following 3 points, and first is to have certain flexibility, can realize
Deform therewith with the deformation of country rock；Second, by the concrete casing play 1 using chemical fiber web to make, it is ensured that this layer is tied
Structure has bigger intensity and non-deformability；3rd, by using netted setting, can effectively improve casing play 1 with corresponding
Hollow out grid 3 in annexation between packing layer 2, and also permeable casing play 1 realizes between the packing layer 2 of both sides
Effectively connect, so can ensure the fastness that laminar composite is overall, it is to avoid occur between each layer of laminar composite dividing
Layer situation.
The effect of heretofore described packing layer 2 is mainly following 3 points, first, there is certain flexibility, can realize with
The deformation of country rock and deform therewith, thus crack can be avoided the occurrence of；Second, play anti-seepage effect by packing layer, therefore filler
Layer needs to select and has the material of preferable cohesiveness and water-resisting property, in the present invention concrete use Colophonium or clay or gravelly soil or
One of which in polyurethane or epoxy resin, is especially excellent to use Colophonium or clay or gravelly soil, and its advantage is for greatly
The concrete condition of dam antiseepage, uses above-mentioned material, it is ensured that sealing property, material cost is relatively low simultaneously, is especially adopting
With the most with low cost when Colophonium or clay or gravelly soil, and draw materials easily；3rd, due to dam body materials be generally enrockment,
The earth rock materials such as gravel, the most above-mentioned material of packing layer 2 and the material of dam body have preferable switching performance, can be prevented effectively from
The situation of layering occurs.
It addition, the material of chemical fiber web of composition casing play 1 can be selected for 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
Needing have certain flexibility for packing layer 2, therefore after the packing layer 2 by selection above-mentioned material, its tensile strength is the most relatively
Weak, now, by arranging the structure of casing play 1 and packing layer 2, it is ensured that the intensity that laminar composite is overall, the most anti-
Tensile strength, and then the problem that crack occurs after avoiding laminar composite tension.
More specifically, for each layer of casing play, it is chemical fibre net-layer structure, and its thickness is generally by chemical fiber web
The material thickness of layer determines, generally its thickness only has about 0.2mm-1mm；And for the thickness D of each layer of packing layer 2, not
There is strict restriction, can span be typically 0.5mm-10mm；Depending on specifically also dependent on practical situation.And, for skeleton
Layer 1 and packing layer 2 the number of plies is set, not do not limit, in order to play the protected effect to casing play 1, generally arrange
Become the structure of more than the number of plies of casing play 1 one layer of the number of plies of packing layer 2, be provided with one layer in the both sides of every layer of casing play 1 and fill out
The bed of material 2.As at least provided with one layer of casing play 1, and two-layer packing layer 2 is set.Certainly, it is possible to according to the final need of laminar composite
The thickness wanted, and the depth information of every layer of casing play 1 and packing layer 2 comprehensively arrange the number of plies of casing play 1 and packing layer 2 with
And the depth information of monolayer.
It addition, on the basis of the above, also can be 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, what the length direction along laminar composite was spaced sets
It is equipped with multiple described gap 4；Meanwhile, along the length direction of laminar composite, it is positioned at the seam of adjacent two layers packing layer 2
Gap 4 staggers setting；Specifically can refer to situation shown in accompanying drawing.The above-mentioned effect arranging gap 4 is to allow same layer packing layer 2
Inside it is positioned at the part of both sides, gap 4 when deforming, certain cushioning effect, and then reinforcer can be played by gap 4
Layer 2 non-deformability in the longitudinal direction, and finally strengthen laminar composite non-deformability in the longitudinal direction.And enter
One step will be located in the gap 4 in adjacent two layers packing layer 2 and staggers setting, as shown in Figure 5, is then to ensure that lamellar composite material
The sealing of material entirety and structural strength.More specifically, generally, when the thickness of each layer of packing layer 2 is D, described seam
When the width of gap 4 is L, 0 ＜ L≤2D can be provided with.
It addition, the above-mentioned structure arranging gap 4, its purpose mainly strengthens laminar composite in the longitudinal direction anti-
Deformability.And for laminar composite non-deformability in the direction of the width, the present invention can be further by such as dividing into
Putting: as shown in Figures 2 and 3, by S-shaped for layered composite bending, and each layer of casing play 1 and each layer are filled out
The most S-shaped bending of the bed of material 2；When being provided with gap 4, the forniciform trend of described S-shaped is consistent with the length direction in gap 4.
Certainly, when the above-mentioned S-shaped bending of laminate composite, its forniciform trend of concrete S-shaped refers to such as Fig. 2 and Fig. 3
In corresponding arrow direction.So, when needed, can by arrange gap 4 structure and/or arrange laminar composite in
The forniciform structure of S-shaped strengthens the corresponding non-deformability of laminar composite.
It addition, dam body seepage structure of the present invention, including cover layer 5 be arranged on the dam body 6 above cover layer 5,
Described dam body 6 is piled up by enrockment and is formed, at the upstream side of described dam body 6 or arrange impervious barrier 11 inside dam body 6, described anti-
Infiltration layer 11 is laid by the laminar composite 7 described in the invention described above and is formed, and layered composite 7 prolongs from dam body 6 top
Extend the bottom of dam body 6；When the S-shaped bending of layered composite, the forniciform trend of described S-shaped and dam body axis
8 is vertical.Wherein, so-called dam body 6 is piled up by enrockment and is formed, and refers to that this type of dam body is typically direct by the earth rock material such as enrockment, gravel
Piling up or pile up after rolling and form, therefore its barrier performance is poor, so just needing to arrange corresponding impervious barrier structure.
And, dam body seepage structure of the present invention, it is particularly suited for high dam or the dam building on deep covering layer；Certainly,
Can also be used in theory in the seepage control project of weir or other common dam body etc..
Position is specifically set as impervious barrier 11, generally, can arrange at the upstream side of dam body 6, if Fig. 7 is to figure
Situation shown in 9, or impervious barrier 11 can be set in the centre position within dam body 6, if Figure 10 is to as shown in 12.And, by
In using laminar composite 7 of the present invention as impervious barrier 11, impervious barrier 11 therefore can be made to have stronger resistance
Shape ability, even if there is bigger deformation in dam body, it is possible to avoids impervious barrier 11 crack occur, thus can play stronger preventing
Ooze effect.
It addition, generally, concrete cut 9, the top of described concrete cut 9 and impervious barrier 11 are also included
Connecting, the bottom of concrete cut 9 is deep in the horizon d 10 being positioned over below layer 5 after cover layer 5.Concrete
The effect of cut-pff wall 9 is mainly played the antiseepage in cover layer 5；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 being attached, the antiseepage effect of entirety can be strengthened
Really.It addition, in order to play the protection to impervious barrier 11, when typically impervious barrier is arranged on the upstream side of dam body, can exist further
A layer concrete or block cobble protective layer 12 are laid in the surface of impervious barrier 11.The most also can lay in the lower surface of protective layer 12
One layer of revetment 13.
Concrete, as shown in figures 7 and 9, for arranging impervious barrier 11 at the upstream side of dam 6, and corresponding in Fig. 7 be
Being arranged to S-shaped forniciform impervious barrier 11 structure, Fig. 9 is then to use flat impervious barrier 11.And such as Figure 10 and Figure 12 institute
Show, for arranging impervious barrier 11 at the medium position of dam 6 and corresponding for being arranged to the forniciform impervious barrier of S-shaped in Figure 10
11 structures, Figure 12 is then to use flat impervious barrier 11.
Form it addition, laminar composite 7 of the present invention can carry out laying construction at the scene of dam, it is possible to
Transport again after being produced as having the finished product of one fixed width and length in factory to dam and lay.The present invention provides a kind of greatly
Dam carries out the construction method laid, and comprises the steps:
A, carry out dam body 6 filling construction, after dam body 6 has been constructed, become S-shaped recessed the surface configuration of dam body 6 upstream side
Convex, and concavo-convex the moving towards from the bottom of dam body 6 stream side surface to top of described S-shaped；
B, the laying casing play 1 being spaced successively on the surface that S-shaped is concavo-convex and packing layer 2 to form impervious barrier 11, and
Every layer of casing play 1 curved shape concavo-convex with every layer of packing layer 2 and S-shaped is consistent；Or on S-shaped is concavo-convex, lay right want
Ask the laminar composite 7 according to any one of 1 to 7 as impervious barrier 11, and make laminar composite 7 concavo-convex with S-shaped
Curved shape consistent；
C, lay a layer concrete or block cobble protective layer 12 on the surface of impervious barrier 11.
At that time, above-mentioned steps A is directed to lay at the upstream side of dam body 6 the Specific construction mode of impervious barrier 11, as
When fruit needs the medium position that impervious barrier arranges dam body 6, it is possible to replaced by the form of construction work of phase, the most 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 carrying out dam body 6 opposite side the most again is built.
It addition, in stepb, the ground floor laid as the surface concavo-convex in S-shaped is casing play 1 or packing layer 2,
It is not strictly necessary that, generally, can first lay one layer of packing layer 2, and according to " packing layer 2-casing play 1-packing layer 2-
Casing play 1-packing layer 2 ...-casing play 1-packing layer 2 " paving mode lay；Under this kind of paving mode, packing layer 2
Will ratio casing play more than 1 one layers all the time, so can play the protected effect to casing play 1.
Certainly, if need, in above-mentioned construction method, the construction carrying out concrete cut 9, then should execute above-mentioned
Carry out before step A of work method.
Dam body seepage laminar composite described in the invention described above, in theory, it is except may be used for the anti-of dam body
Ooze engineering outer it can also be used in the leakage preventing structure repaired of concrete surface crack, as at core wall dam concrete cover or build
In the xoncrete structures such as the gallery on deep covering layer, owing to basic constraint is big, Construction control is unfavorable, variations in temperature, coagulation
The impacts of a variety of causes such as soil aggregate difference, and produce crack and then to affect the antiseepage of xoncrete structure the best at concrete surface
Time, it is possible to using dam body seepage laminar composite of the present invention for repairing this type of crack, it also can effectively be repaiied
Multiple crack, simultaneously works as extraordinary anti-seepage effect.
Claims (10)
1. dam body seepage laminar composite, it is characterised in that: layered composite includes at least one of which casing play (1)
Setting it is spaced successively with at least one of which packing layer (2), described casing play (1) and packing layer (2)；Described casing play (1) is for by changing
Learning one layer of flexible layer that fleece is laid, described packing layer (2) is by Colophonium or clay or gravelly soil or polyurethane or ring
One layer of flexible layer that epoxy resins is laid；When being respectively arranged with packing layer (2) in the both sides of same layer casing play (1), position
Packing layer (2) in this casing play (1) both sides is by the online hollow out grid (3) of the chemical fibre forming 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 described chemical fiber web
For at least one 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: described casing play (1) at least sets
Being equipped with one layer, described packing layer (2), at least provided with two-layer, is provided with one layer of packing layer in the both sides of every layer of casing play (1)
(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 described gap (4)；Meanwhile, in the length side along laminar composite
Upwards, it is positioned at the gap (4) of adjacent two layers packing layer (2) to stagger 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)
Degree is D, and the width of described gap (4) is L, and has 0 ＜ L≤2D.
7. the dam body seepage laminar composite as according to any one of claim 1 to 6, it is characterised in that: layered
The S-shaped bending of composite, and each layer of casing play (1) and each layer of the most S-shaped bending of packing layer (2)；Work as setting
When having gap (4), the forniciform trend of described S-shaped is consistent with the length direction of gap (4).
8. dam body seepage structure, including cover layer (5) and be arranged on cover layer (5) top dam body (6), described dam body (6) by
Enrockment is piled up and is formed, it is characterised in that: at the upstream side of described dam body (6) or impervious barrier (11) is set in dam body (6) inside,
Described impervious barrier (11) is laid by the laminar composite (7) according to any one of the claims 1 to 7 and is formed, described 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
Time, the forniciform trend of described S-shaped is 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), described coagulation
The top of soil cut-pff wall (9) is connected with impervious barrier (11), and the bottom of concrete cut (9) is deep into after cover layer (5)
It is positioned in the horizon d (10) of layer (5) lower section, lays a layer concrete or the protection of block cobble on the surface of impervious barrier (11)
Layer (12).
10. dam body seepage construction method, it is characterised in that: use the dam body seepage knot described in the claims 8 or 9
Structure, comprises the steps,
A, carry out dam body (6) filling construction, after dam body (6) has been constructed, the surface configuration of dam body (6) upstream side is become S-shaped
Concavo-convex, and the concavo-convex trend of described S-shaped from the bottom of dam body (6) stream side surface to top；
B, the laying casing play (1) being spaced successively on the surface that S-shaped is concavo-convex and packing layer (2) to form impervious barrier (11), and
And every layer of casing play (1) curved shape concavo-convex with S-shaped with every layer of packing layer (2) is consistent；Or lay on S-shaped is concavo-convex
Laminar composite (7) according to any one of claim 1 to 7 is as impervious barrier (11), and makes laminar composite (7)
The curved shape concavo-convex with S-shaped is consistent；
C, lay a layer concrete or block cobble protective layer (12) on the surface of impervious barrier (11).
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107326862A (en) * | 2017-08-25 | 2017-11-07 | 绵阳飞远科技有限公司 | Small-sized dam skin glass fibrous webs |
| CN110524985A (en) * | 2019-08-06 | 2019-12-03 | 衢州艾科科技有限公司 | A kind of epoxy earth material and preparation method thereof of three fiber composites enhancing |
| CN110965524A (en) * | 2019-11-14 | 2020-04-07 | 湖南省汇杰勘测设计股份有限公司 | Reservoir seepage-proofing material and construction method |
| CN114908709A (en) * | 2022-06-30 | 2022-08-16 | 山东建通土工材料有限公司 | Dam seepage prevention structure |
| CN115198699A (en) * | 2022-07-28 | 2022-10-18 | 三峡大学 | A kind of anti-seepage structure and construction method of water conservancy and hydropower engineering construction |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201943046U (en) * | 2010-11-30 | 2011-08-24 | 亓进华 | Seepage-prevention high-strength composite cover fabric for water reservoir |
| CN202064259U (en) * | 2011-04-27 | 2011-12-07 | 常州市永新华立纺织复合材料有限公司 | Glass fiber grating composite geotextile |
| CN202187323U (en) * | 2011-06-07 | 2012-04-11 | 中国水利水电科学研究院 | Flexible composite impermeable layer for upstream surface of high arch dam |
| CN206070488U (en) * | 2016-09-05 | 2017-04-05 | 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 |
-
2016
- 2016-09-05 CN CN201610802911.5A patent/CN106245590B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201943046U (en) * | 2010-11-30 | 2011-08-24 | 亓进华 | Seepage-prevention high-strength composite cover fabric for water reservoir |
| CN202064259U (en) * | 2011-04-27 | 2011-12-07 | 常州市永新华立纺织复合材料有限公司 | Glass fiber grating composite geotextile |
| CN202187323U (en) * | 2011-06-07 | 2012-04-11 | 中国水利水电科学研究院 | Flexible composite impermeable layer for upstream surface of high arch dam |
| CN206070488U (en) * | 2016-09-05 | 2017-04-05 | 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 |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107326862A (en) * | 2017-08-25 | 2017-11-07 | 绵阳飞远科技有限公司 | Small-sized dam skin glass fibrous webs |
| CN110524985A (en) * | 2019-08-06 | 2019-12-03 | 衢州艾科科技有限公司 | A kind of epoxy earth material and preparation method thereof of three fiber composites enhancing |
| CN110965524A (en) * | 2019-11-14 | 2020-04-07 | 湖南省汇杰勘测设计股份有限公司 | Reservoir seepage-proofing material and construction method |
| CN114908709A (en) * | 2022-06-30 | 2022-08-16 | 山东建通土工材料有限公司 | Dam seepage prevention structure |
| CN114908709B (en) * | 2022-06-30 | 2024-08-09 | 山东建通土工材料有限公司 | Dam seepage prevention structure |
| CN115198699A (en) * | 2022-07-28 | 2022-10-18 | 三峡大学 | A kind of anti-seepage structure and construction method of water conservancy and hydropower engineering construction |
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