CN215210870U - Seepage-proofing and drainage connecting structure for asphalt concrete panel of reservoir bank and geomembrane at reservoir bottom - Google Patents
Seepage-proofing and drainage connecting structure for asphalt concrete panel of reservoir bank and geomembrane at reservoir bottom Download PDFInfo
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- CN215210870U CN215210870U CN202120283491.0U CN202120283491U CN215210870U CN 215210870 U CN215210870 U CN 215210870U CN 202120283491 U CN202120283491 U CN 202120283491U CN 215210870 U CN215210870 U CN 215210870U
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Abstract
The utility model discloses a bank asphalt concrete panel and reservoir bottom geomembrane seepage-proofing drainage connecting structure, which comprises an asphalt concrete panel arranged on a bank slope, a geomembrane seepage-proofing layer arranged at the reservoir bottom and a drainage and observation corridor hermetically connected between the asphalt concrete panel and the geomembrane seepage-proofing layer; the asphalt concrete panel is subdivided into the leveling cementing layer, the asphalt concrete impermeable layer and the surface asphalt mastic sealing layer from the base layer to the surface in sequence, the asphalt concrete panel and the bottom of the asphalt concrete impermeable layer of the drainage and observation corridor overlap joint area are additionally provided with a thickening layer, and an asphalt sand wedge body is arranged between the thickening layer and the leveling cementing layer. The utility model provides an asphalt concrete panel and geomembrane prevention of seepage connection problem, the drainage infiltration that is the bank of a storehouse simultaneously, the bottom of a storehouse simultaneously is collected and drainage channel.
Description
Technical Field
The utility model relates to a hydraulic engineering building technical field, concretely relates to bank asphalt concrete panel and reservoir bottom geomembrane prevention of seepage drainage connection structure. The method is suitable for the full-warehouse basin or half-warehouse basin seepage-proofing warehouse basin engineering with the warehouse shore adopting an asphalt concrete panel and the warehouse bottom adopting a geomembrane as a surface seepage-proofing structure.
Background
Both asphalt concrete panels and geomembranes have excellent barrier properties and are often used in full or semi-reservoir basin surface barrier structures. In engineering practice, the asphalt concrete panel has good adaptation conditions at the bank and the bottom of the reservoir, but the investment is relatively high. The investment of geomembrane seepage prevention is relatively low, but the geomembrane slope laying condition and the ultraviolet resistance are relatively poor, so the geomembrane slope laying method is generally suitable for being arranged at the bottom of a reservoir with a certain water depth. Therefore, the reservoir bank adopts the asphalt concrete panel, the reservoir bottom adopts the geomembrane to perform the surface seepage prevention of the full reservoir basin or the half reservoir basin, the integral benefit optimization of the seepage prevention effect and the investment can be achieved, and the method has good application prospect in the surface seepage prevention project of the full reservoir basin or the half reservoir basin. However, due to the limitation of the material characteristics of asphalt concrete and geomembrane and the high standard requirement for seepage prevention in the connection of the seepage prevention structures, the two seepage prevention structures are difficult to be directly connected in anchoring, pasting or pressing modes and the like, and the application of the seepage prevention form is greatly limited.
Based on the circumstances, the utility model provides a bank asphalt concrete panel and bottom of reservior geomembrane prevention of seepage drainage connection structure can effectively solve above problem.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: aiming at the existing problems, the simple and reliable seepage-proofing and drainage connecting structure for the asphalt concrete panel of the reservoir bank and the geomembrane at the bottom of the reservoir is provided, the seepage-proofing and drainage connecting structure for the asphalt concrete panel and the geomembrane is used for solving the seepage-proofing and connection problem of the asphalt concrete panel and the geomembrane, and is also used as a drainage seepage water collecting and draining channel for the reservoir bank and the reservoir bottom.
In order to solve the technical problem, the utility model discloses a following technical scheme realizes:
the utility model provides a bank asphalt concrete panel and reservoir bottom geomembrane seepage-proofing drainage connection structure, which comprises an asphalt concrete panel arranged on a bank slope, a geomembrane seepage-proofing layer arranged at the reservoir bottom and a drainage and observation corridor hermetically connected between the asphalt concrete panel and the geomembrane seepage-proofing layer;
the asphalt concrete panel is subdivided into the leveling cementing layer, the asphalt concrete impermeable layer and the surface asphalt mastic sealing layer from the base layer to the surface in sequence, the asphalt concrete panel and the bottom of the asphalt concrete impermeable layer of the drainage and observation corridor overlap joint area are additionally provided with a thickening layer, and an asphalt sand wedge body is arranged between the thickening layer and the leveling cementing layer.
As an optimal technical scheme of the utility model, asphalt concrete panel bank slope section adopts the anti-arc transition with the storehouse end section to at the anti-arc terminal with the drainage concurrently observes the top of corridor and carries out the overlap joint.
As an optimized technical scheme of the utility model, the corridor left side top corner is observed concurrently in drainage have with the slope that the pitch sand wedge offseted.
As an optimized technical proposal of the utility model, the thickening layer is composed of a bottom polyester grid and an asphalt concrete impermeable layer.
As an optimal technical scheme of the utility model, the drainage is surveyd corridor both sides respectively pre-buried drain pipe one and drain pipe two of being connected with bank drainage layer and bottom of a reservior drainage layer concurrently.
As a preferred technical scheme of the utility model, a first drainage floral tube communicated with the first drainage pipe is embedded in the cushion layer at the lower part of the asphalt concrete panel along the drainage and observation corridor; and a second drainage flower pipe communicated with the second drainage pipe is embedded in the lower support layer at the lower part of the geomembrane impermeable layer.
As an optimal technical scheme of the utility model, drainage floral tube is buried underground in bed course and drainage and is surveyd the minimum of corridor left side top corner handing-over department concurrently.
As an optimal technical scheme of the utility model, the corridor is surveyd concurrently in drainage adopts the cast-in-place structure of concrete, the top with the geomembrane barrier flushes, and both sides tip corner is convex.
As an optimal technical scheme of the utility model, the geomembrane barrier adopts mechanical anchor assembly anchor in drainage and observes corridor top concurrently.
As a preferred technical scheme of the utility model, mechanical anchoring spare includes drilling, bolt, angle steel, nut, plasticity filler, rubber cover plate, and the geomembrane is arranged in between the two-layer rubber cover plate, forms prevention of seepage anchor through the nut fastening to at the drainage and observe the corridor top surface and rubber cover plate and the geomembrane between apply paint the primer with a brush.
Compared with the prior art, the utility model, following advantage and beneficial effect have:
the utility model discloses utilize the prevention of seepage connection performance characteristic of asphalt concrete, geomembrane, concrete isostructure, adopt the overlap joint of asphalt concrete and concrete, geomembrane to be connected with the mechanical anchoring part of concrete respectively, solve the technical problem that asphalt concrete panel and geomembrane are difficult to reliably directly link to make complete reliable surface prevention of seepage system of asphalt concrete panel and geomembrane formation.
The utility model discloses utilize the bottom of the reservior drainage to observe the corridor concurrently and as the connection structure of bank bituminous concrete panel and bottom of the reservior geomembrane, effectively utilize the drainage structures of full storehouse basin seepage prevention structure, have overall structure simple, characteristics that comprehensive utilization efficiency is high, help improving whole prevention of seepage effect and save the engineering investment.
Drawings
Fig. 1 is a schematic plan view of the present invention;
fig. 2 is a schematic diagram of a typical sectional structure of the present invention;
fig. 3 is a structural view of the mechanical anchor of the present invention.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the following description of the preferred embodiments of the present invention is given with reference to the accompanying examples, but it should be understood that the drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.
The present invention will be further described with reference to the accompanying drawings 1-3 and examples, but the invention is not limited thereto.
As shown in fig. 1, the present embodiment is a seepage-proofing and drainage connection structure for an asphalt concrete panel of a bank and a geomembrane at the bottom of the bank, and the seepage-proofing and drainage connection structure is provided with an asphalt concrete panel 1 arranged on a bank slope and a geomembrane seepage-proofing layer 2 arranged at the bottom of the bank, and the asphalt concrete panel 1 is connected with the geomembrane seepage-proofing layer 2 by a drainage and observation corridor 3. The geomembrane anti-seepage structure comprises a lower supporting layer 7 (a drainage layer), a geomembrane anti-seepage layer 2 (two cloth films) and a surface pressing block, wherein a drainage floral tube II 11 is embedded in the lower supporting layer 7, and the geomembrane anti-seepage layer 2 is provided with a light film at an anchoring part.
As shown in fig. 2, the asphalt concrete panel 1 is laid on the upper part of the cushion layer 4, and the asphalt concrete panel 1 is sequentially subdivided into a leveling cementing layer 1-1, an impermeable layer 1-2 and a surface asphalt mastic sealing layer 1-3 from the base layer to the surface.
As shown in fig. 2, the drainage and observation gallery 3 is of a concrete cast-in-place structure, the top of the drainage and observation gallery is flush with the geomembrane impermeable layer 2 at the bottom of the reservoir, corners at the end parts of two sides of the drainage and observation gallery are arc-shaped, and a first drain pipe 10 and a second drain pipe 12 are respectively embedded at two sides of the drainage and observation gallery 3 and are respectively connected with a bank drainage layer and a bottom drainage layer.
As shown in figure 2, the bank slope section and the reservoir bottom section of the asphalt concrete panel 1 are in reverse arc transition with the radius of 30-50 m, and the tail end of the reverse arc is in lap joint with the top of the reservoir bottom drainage and observation corridor 3. In order to strengthen the deformation control and improve the tensile property of the impermeable layer (adapt to the boundary condition of local mutation), a thickening layer 6 is additionally arranged at the bottom of the asphalt concrete impermeable layer in the lap joint area, and the thickening layer 6 consists of a bottom polyester grid and an asphalt concrete impermeable layer. And a tar sand wedge body 5 is arranged between the thickening layer 6 and the leveling cementing layer 1-1.
Furthermore, the corner of the top of the left side of the drainage and observation gallery 3 is provided with a slope 3-1 which is propped against the asphalt sand wedge-shaped body 5.
As shown in fig. 2, a bank drainage pipe one 9 is buried along the drainage and observation corridor 3 in the cushion layer 4 at the lower part of the bank asphalt concrete panel 1, and the bank drainage pipe one 9 is communicated with a drainage pipe one 10 buried in the drainage and observation corridor 3. The first drainage perforated pipe 9 is embedded at the lowest point of the junction of the cushion layer 4 and the corner at the top of the left side of the drainage and observation corridor 3.
As shown in fig. 2, a lower support layer 7 is arranged between the geomembrane impermeable layer 2 at the bottom of the reservoir and the reservoir bottom, a second drainage flower pipe 11 is embedded in the lower support layer 7, and the lower support layer 7 and the second drainage flower pipe 11 jointly form a geomembrane bottom drainage system. The second drainage floral tube 11 is communicated with a second drainage pipe 12 pre-buried in the drainage and observation corridor 3.
As shown in fig. 2, the reservoir bottom geomembrane impermeable layer 2 is anchored on the top of the drainage and observation corridor 3 by a mechanical anchoring member 8.
As shown in fig. 3, the mechanical anchoring part 8 structure comprises a drill hole 8-1, a bolt 8-2, angle steel 8-3, a nut 8-4, a plastic filler 8-5 and a rubber cover 8-6, wherein the geomembrane impermeable layer 2 is arranged between the two layers of rubber cover 8-6 and fastened by the nut 8-4 to form impermeable anchoring; in order to increase the anti-seepage effect among all layers, primer is coated on the top surface of the drainage and observation gallery 3 and between the rubber cover sheets 8-6 and the geomembrane anti-seepage layer 2.
Based on the structure, the embodiment also provides a construction method of the bank asphalt concrete panel and the reservoir bottom geomembrane seepage-proofing and drainage connecting structure, which comprises the following specific implementation steps:
s1, completing warehouse basin excavation according to the overall structural design;
s2, performing foundation excavation of the reservoir bottom gallery along the drainage observation gallery 3, pouring the reinforced concrete reservoir bottom drainage observation gallery 3, and pre-burying a first drainage pipe 10 and a second drainage pipe 12;
s3, installing a first reservoir bank side drainage floral tube 9 along the drainage observation corridor 3, communicating the first reservoir bank side drainage floral tube with a first corridor pre-buried drainage pipe 10, and constructing a reservoir bank cushion layer 4;
s4, paving and rolling an asphalt concrete leveling cementing layer 1-1, an asphalt sand cushion wedge-shaped body 5 and a thickening layer 6 on a cushion layer 4 in sequence, adopting a small rolling machine to assist manual rolling in an area close to a drainage and observation corridor 3, paving a surface asphalt concrete impermeable layer 1-2, rolling, and painting an asphalt mastic sealing layer 1-3 on the surface of the impermeable layer;
s5, constructing a lower supporting layer 7 of the warehouse bottom, burying a second drainage flower pipe 11 in the lower supporting layer 7, and communicating with a second drainage pipe 12;
s6, polishing the concrete with uneven surface on the top of the drainage and observation gallery 3, repairing cracks, and drilling holes 8-1 along the anchoring line to embed bolts 8-2;
s7, paving 8-5 parts of plastic filler, 8-6 parts of rubber gasket, 2 parts of geomembrane impervious layer and 8-6 parts of rubber gasket in sequence along an anchoring line, covering 8-3 parts of angle steel and anchoring by 8-4 parts of bolts; before each layer is laid, 1-2 layers of base glue are coated on the top surface of the drainage and observation gallery 3 and between the rubber cover sheets 8-6 and the geomembrane impermeable layer 2;
and S8, constructing the asphalt concrete and geomembrane anti-seepage structures in other areas according to the requirements of the anti-seepage structures.
According to the utility model discloses a description and attached drawing, the field technical personnel make or use very easily the utility model discloses a bank asphalt concrete panel and bottom of reservior geomembrane prevention of seepage drainage connection structure to can produce the positive effect recorded in the utility model.
Unless otherwise specified, in the present invention, if the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate an orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, rather than to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore, the terms describing orientation or positional relationship in the present invention are used for illustrative purposes only, and should not be construed as limiting the present patent, specific meanings of the above terms can be understood by those of ordinary skill in the art in light of the specific circumstances in conjunction with the accompanying drawings.
Unless expressly stated or limited otherwise, the terms "disposed," "connected," and "connected" are used broadly and encompass both fixed and removable connections, or integral connections; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The above is only the preferred embodiment of the present invention, not to the limitation of the present invention in any form, all the technical matters of the present invention all fall into the protection scope of the present invention to any simple modification and equivalent change of the above embodiments.
Claims (10)
1. Storehouse bank asphalt concrete panel and storehouse end geomembrane prevention of seepage drainage connection structure, its characterized in that: the device comprises an asphalt concrete panel (1) arranged on a bank slope, a geomembrane impervious layer (2) arranged at the bottom of a reservoir and a drainage and observation corridor (3) which is hermetically connected between the asphalt concrete panel (1) and the geomembrane impervious layer (2);
the asphalt concrete panel (1) is divided into a leveling cementing layer (1-1), an asphalt concrete impermeable layer (1-2) and a surface asphalt mastic sealing layer (1-3) from a base layer to the surface in sequence, a thickening layer (6) is additionally arranged at the bottom of the asphalt concrete impermeable layer (1-2) of the overlap joint area of the asphalt concrete panel (1) and the drainage and observation gallery (3), and an asphalt sand wedge body (5) is arranged between the thickening layer (6) and the leveling cementing layer (1-1).
2. The seepage-proofing and drainage connecting structure for the bank asphalt concrete panel and the reservoir bottom geomembrane according to claim 1, characterized in that: the bank slope section and the reservoir bottom section of the asphalt concrete panel (1) are in reverse arc transition, and the tail end of a reverse arc is in lap joint with the top of the drainage and observation gallery (3).
3. The seepage-proofing and drainage connecting structure for the bank asphalt concrete panel and the reservoir bottom geomembrane according to claim 1, characterized in that: the corner of the top of the left side of the drainage and observation gallery (3) is provided with a slope (3-1) which is propped against the asphalt sand wedge-shaped body (5).
4. The seepage-proofing and drainage connecting structure for the bank asphalt concrete panel and the reservoir bottom geomembrane according to claim 1, characterized in that: the thickening layer (6) consists of a bottom polyester grid and an asphalt concrete impermeable layer.
5. The seepage-proofing and drainage connecting structure for the bank asphalt concrete panel and the reservoir bottom geomembrane according to claim 1, characterized in that: and a first drain pipe (10) and a second drain pipe (12) which are connected with a bank drainage layer and a bottom drainage layer are respectively embedded at two sides of the drainage and observation gallery (3).
6. The seepage-proofing and drainage connecting structure for the bank asphalt concrete panel and the reservoir bottom geomembrane according to claim 5, wherein: a first drainage floral tube (9) communicated with the first drainage pipe (10) is embedded in the cushion layer (4) at the lower part of the asphalt concrete panel (1) along the first drainage and observation corridor (3); and a second drainage floral tube (11) communicated with a second drainage pipe (12) is embedded in the lower support layer (7) at the lower part of the geomembrane impermeable layer (2).
7. The seepage-proofing and drainage connecting structure for the bank asphalt concrete panel and the reservoir bottom geomembrane according to claim 6, wherein: the first drainage perforated pipe (9) is embedded in the lowest point of the junction of the cushion layer (4) and the corner of the top of the left side of the drainage and observation corridor (3).
8. The seepage-proofing and drainage connecting structure for the bank asphalt concrete panel and the reservoir bottom geomembrane according to claim 1, characterized in that: the drainage and observation gallery (3) is of a concrete cast-in-place structure, the top of the drainage and observation gallery is flush with the geomembrane impermeable layer (2), and corners of end parts on two sides of the drainage and observation gallery are arc-shaped.
9. The seepage-proofing and drainage connecting structure for the bank asphalt concrete panel and the reservoir bottom geomembrane according to claim 1, characterized in that: the geomembrane impervious layer (2) is anchored at the top of the drainage and observation gallery (3) by a mechanical anchoring piece (8).
10. The seepage-proofing and drainage connecting structure for the bank asphalt concrete panel and the reservoir bottom geomembrane according to claim 9, wherein: the mechanical anchoring piece (8) comprises a drilling hole (8-1), a bolt (8-2), angle steel (8-3), a nut (8-4), a plastic filler (8-5) and a rubber cover plate (8-6), the geomembrane impervious layer (2) is arranged between the two layers of rubber cover plates (8-6), the seepage-proofing anchoring is formed by fastening the nuts (8-4), and base glue is coated between the drainage and observation corridor (3) top surface and the rubber cover plate (8-6) and the geomembrane impervious layer (2).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120283491.0U CN215210870U (en) | 2021-02-01 | 2021-02-01 | Seepage-proofing and drainage connecting structure for asphalt concrete panel of reservoir bank and geomembrane at reservoir bottom |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120283491.0U CN215210870U (en) | 2021-02-01 | 2021-02-01 | Seepage-proofing and drainage connecting structure for asphalt concrete panel of reservoir bank and geomembrane at reservoir bottom |
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| CN215210870U true CN215210870U (en) | 2021-12-17 |
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