CN219621691U - Connection of bottom geomembrane and bank asphalt concrete panel - Google Patents
Connection of bottom geomembrane and bank asphalt concrete panel Download PDFInfo
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- CN219621691U CN219621691U CN202320993839.4U CN202320993839U CN219621691U CN 219621691 U CN219621691 U CN 219621691U CN 202320993839 U CN202320993839 U CN 202320993839U CN 219621691 U CN219621691 U CN 219621691U
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- 239000011384 asphalt concrete Substances 0.000 title claims abstract description 73
- 239000011150 reinforced concrete Substances 0.000 claims abstract description 85
- 239000010410 layer Substances 0.000 claims description 84
- 239000010426 asphalt Substances 0.000 claims description 37
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 23
- 239000000945 filler Substances 0.000 claims description 17
- 239000002184 metal Substances 0.000 claims description 16
- 229910052751 metal Inorganic materials 0.000 claims description 16
- 239000004033 plastic Substances 0.000 claims description 16
- 239000002131 composite material Substances 0.000 claims description 15
- 230000001681 protective effect Effects 0.000 claims description 9
- 239000012790 adhesive layer Substances 0.000 claims description 8
- 239000011241 protective layer Substances 0.000 claims description 8
- 230000002787 reinforcement Effects 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 8
- 239000002344 surface layer Substances 0.000 claims description 8
- 239000000853 adhesive Substances 0.000 claims description 6
- 230000001070 adhesive effect Effects 0.000 claims description 6
- 239000011083 cement mortar Substances 0.000 claims description 6
- 239000004570 mortar (masonry) Substances 0.000 claims description 6
- 238000004873 anchoring Methods 0.000 claims description 5
- 230000008719 thickening Effects 0.000 claims description 5
- 239000003973 paint Substances 0.000 claims description 3
- 230000004888 barrier function Effects 0.000 claims 1
- 239000004568 cement Substances 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 6
- 239000000463 material Substances 0.000 description 9
- 238000005507 spraying Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000005096 rolling process Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
- 239000004575 stone Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 239000011247 coating layer Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920000728 polyester Polymers 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000002352 surface water Substances 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- PTVDYARBVCBHSL-UHFFFAOYSA-N copper;hydrate Chemical compound O.[Cu] PTVDYARBVCBHSL-UHFFFAOYSA-N 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000004746 geotextile Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000013521 mastic Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000001331 nose Anatomy 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
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Abstract
The utility model provides a connection type of a reservoir bottom geomembrane and a reservoir bank asphalt concrete panel, which comprises the following steps: the first reinforced concrete connecting plate and the second reinforced concrete connecting plate; the first reinforced concrete connecting plate and the second reinforced concrete connecting plate are arranged between the reservoir bottom geomembrane and the reservoir bank asphalt concrete panel and are arranged in the direction perpendicular to the axis of the reservoir; the outer side of the first reinforced concrete connecting plate is connected with the reservoir bank asphalt concrete panel by adopting an arc surface sliding type expansion joint connecting structure; the outer side of the second reinforced concrete connecting plate is fixedly connected with the reservoir bottom geomembrane. The utility model has simple structure and convenient construction, can effectively adapt to foundation deformation, is safe and reliable, and can be widely used for projects such as reservoirs, reservoirs and the like.
Description
Technical Field
The utility model relates to the technical field of water conservancy and hydropower engineering, in particular to a connection type of a reservoir bottom geomembrane and a reservoir bank asphalt concrete panel.
Background
The asphalt concrete panel is a flexible impermeable material, has strong capability of adapting to foundation deformation, is usually adopted by a whole warehouse, but has high manufacturing cost. The geomembrane is also a flexible impermeable material, has strong adaptability to foundation deformation and relatively low cost, but has the problems of slope stability and the like, and is generally used for the bottom of a warehouse. At present, the direct connection of a bottom geomembrane and a bank asphalt concrete panel has the problem that the high temperature and heavy pressure during asphalt concrete paving and rolling will destroy the geomembrane which is firstly constructed, and the conventional asphalt concrete panel structure is not rolled at the bottom end of the reservoir, so that the seepage-proofing effect is poor, and therefore, the two seepage-proofing materials are rarely applied in large and medium-sized engineering, and the application of the two seepage-proofing materials in water conservancy and hydropower engineering is greatly limited.
Disclosure of Invention
Aiming at the defects existing in the prior art, the utility model provides a connection type of a reservoir bottom geomembrane and a reservoir bank asphalt concrete panel, which can effectively solve the problems.
The technical scheme adopted by the utility model is as follows:
the utility model provides a connection type of a reservoir bottom geomembrane and a reservoir bank asphalt concrete panel, which comprises the following steps: a first reinforced concrete connecting plate (1A) and a second reinforced concrete connecting plate (1B);
the first reinforced concrete connecting plate (1A) and the second reinforced concrete connecting plate (1B) are arranged between the reservoir bottom geomembrane (2) and the reservoir bank asphalt concrete panel (3) and are arranged in the direction perpendicular to the axis of the reservoir;
the outer side of the first reinforced concrete connecting plate (1A) is connected with the reservoir bank asphalt concrete panel (3) by adopting an arc surface sliding expansion joint connecting structure (4); the outer side of the second reinforced concrete connecting plate (1B) is fixedly connected with the reservoir bottom geomembrane (2);
the first reinforced concrete connecting plates (1A) and the second reinforced concrete connecting plates (1B) are in one group, a plurality of groups are arranged along the direction of the annular warehouse, joints (5) are arranged between the first reinforced concrete connecting plates (1A) and the second reinforced concrete connecting plates (1B) and between two adjacent groups.
Preferably, the arc surface sliding expansion joint connection structure (4) includes: the expansion joint (4.1), the arc surface (4.2) and the groove (4.3);
the inside of the reservoir bank asphalt concrete panel (3) is provided with the expansion joint (4.1) with the section gradually expanded at the position close to the first reinforced concrete connecting plate (1A);
the contact surface of the reservoir bank asphalt concrete panel (3) and the first reinforced concrete connecting plate (1A) is the arc surface (4.2);
the groove (4.3) is formed in the top surface of the first reinforced concrete connecting plate (1A), and plastic filler is filled in the groove (4.3).
Preferably, the reservoir bank asphalt concrete panel (3) comprises a drainage cushion layer (3.1), an emulsified asphalt layer (3.2), a leveling adhesive layer (3.3), an impermeable layer (3.4) and a sealing layer (3.5) which are arranged from bottom to top;
the expansion joint (4.1) is arranged between a leveling adhesive layer (3.3) and an impermeable layer (3.4) of the reservoir bank asphalt concrete panel (3), and comprises an asphalt mortar wedge body (4.1.1), an impermeable thickening layer (4.1.2), a first emulsified asphalt layer (4.1.3), a reinforcement net (4.1.4) and a second emulsified asphalt layer (4.1.5) which are arranged from bottom to top.
Preferably, the contact surface of the reservoir bank asphalt concrete panel (3) and the first reinforced concrete connecting plate (1A) is provided with a plastic filler layer and an asphalt paint layer.
Preferably, the impermeable layer (3.4) extends to the groove top of the groove (4.3) of the first reinforced concrete connecting plate (1A), and the lap joint length is more than 0.5m.
Preferably, the reservoir bottom geomembrane (2) comprises a geomembrane lower supporting layer (2.1), a composite geomembrane (2.2) and a geomembrane upper protective layer (2.3) which are arranged from bottom to top;
the second reinforced concrete connecting plate (1B) is connected with the reservoir bottom geomembrane (2) in an anchoring mode, the composite geomembrane (2.2) is fixed on the second reinforced concrete connecting plate (1B) by adopting a metal lath and an expansion bolt, and the reservoir bottom geomembrane is sealed by adopting an adhesive.
Preferably, a surface layer water stop structure (6) is arranged at the top of the joint (5), a W-shaped metal water stop belt (7) is arranged at the bottom, and a filling plate (8) is arranged at the other parts.
Preferably, the surface layer water stop structure (6) includes: the anti-seepage protective cover plate comprises a V-shaped groove (6.1), an anti-seepage protective cover plate (6.2), an expansion bolt (6.3) and a rubber rod (6.4), wherein the top of the V-shaped groove is arc-shaped;
the seam opening of the seam (5) is provided with the V-shaped groove (6.1); the rubber rod (6.4) is arranged at the bottom of the V-shaped groove (6.1);
two ends of the anti-seepage protection cover plate (6.2) are respectively fixed with the first reinforced concrete connecting plate (1A) and the second reinforced concrete connecting plate (1B) through expansion bolts (6.3);
a cement mortar cushion layer (9) is arranged below the metal water stop belt (7).
The beneficial effects of the utility model are as follows:
the bottom geomembrane and the asphalt concrete panel are connected through the reinforced concrete connecting plate, so that the structure is simple, and the problems that the geomembrane is damaged by asphalt concrete paving and rolling and the seepage-proofing effect is poor due to the fact that the conventional asphalt concrete panel structure is not rolled at the bottom end of the reservoir when the two are directly connected are solved; the construction is convenient, the foundation deformation can be effectively adapted, and the construction is safe and reliable; greatly optimizes the economic index of the seepage-proofing engineering, and can be widely used for engineering such as impounding reservoir, reservoir and the like.
Drawings
FIG. 1 is a diagram of the connection pattern of the reservoir bottom geomembrane and reservoir bank asphalt concrete panels of the present utility model;
FIG. 2 is a detail drawing A of a connection pattern of the reservoir bottom geomembrane to the reservoir bank asphalt concrete panel of the present utility model;
FIG. 3 is a detail B of a connection pattern diagram of the reservoir bottom geomembrane and the reservoir bank asphalt concrete panel of the present utility model;
wherein:
a first reinforced concrete connection plate 1A; a second reinforced concrete connecting plate 1B;
a reservoir bottom geomembrane 2; 2.1 of a support layer under the geomembrane, 2.2 of a composite geomembrane and 2.3 of a protective layer on the geomembrane;
a reservoir bank asphalt concrete panel 3; a drainage cushion layer 3.1, an emulsified asphalt layer 3.2, a leveling adhesive layer 3.3, an impermeable layer 3.4 and a sealing layer 3.5;
the arc surface sliding type expansion joint connecting structure 4; enlarging a joint 4.1, an arc surface 4.2 and a groove 4.3; 4.1.1 parts of asphalt mortar wedge-shaped bodies, 4.1.2 parts of seepage-proofing thickened layers, 4.1.3 parts of first emulsified asphalt layers, 4.1.4 parts of reinforcement nets and 4.1.5 parts of second emulsified asphalt layers;
a seam 5;
a surface layer water stop structure 6; 6.1 parts of V-shaped grooves, 6.2 parts of anti-seepage protective cover plates, 6.3 parts of expansion bolts and 6.4 parts of rubber rods;
a metal water stop 7;
a filler plate 8;
and a cement mortar cushion layer 9.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects solved by the utility model more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
The utility model aims to provide a connection type of a bottom geomembrane and a bank asphalt concrete panel, which can solve the technical problems that the geomembrane is damaged by paving and rolling asphalt concrete when the geomembrane and the bank asphalt concrete panel are directly connected, the seepage-proofing effect is poor due to the fact that the conventional asphalt concrete panel structure is not rolled at the bottom end of a bank.
As shown in fig. 1 to 3, the present utility model provides a connection pattern of a reservoir bottom geomembrane and a reservoir bank asphalt concrete panel, comprising: the first reinforced concrete connecting plate 1A and the second reinforced concrete connecting plate 1B are arranged between the reservoir bottom geomembrane 2 and the reservoir bank asphalt concrete panel 3 and are arranged in the direction perpendicular to the axis of the reservoir;
the outer side of the first reinforced concrete connecting plate 1A is connected with the reservoir bank asphalt concrete panel 3 by adopting an arc surface sliding type expansion joint connecting structure 4; the outer side of the second reinforced concrete connecting plate 1B is fixedly connected with the reservoir bottom geomembrane 2;
the first reinforced concrete connecting plate 1A and the second reinforced concrete connecting plate 1B are a group, the width is not less than 2.0m, and the thickness is not less than 1.0m; and a plurality of groups are arranged along the direction of the ring library, and the length of each group is not less than 6.0m. The joints 5 are arranged between the first reinforced concrete connecting plate 1A and the second reinforced concrete connecting plate 1B of the group and between the two adjacent groups, and the width of the joints is 1 cm-2 cm.
In the utility model, the outer side of the first reinforced concrete connecting plate 1A is flexibly connected with the reservoir bank asphalt concrete panel 3 by adopting the arc surface sliding type expansion joint connecting structure 4, so that the reservoir bank asphalt concrete panel 3 can better adapt to foundation deformation. The arc surface sliding type expansion joint connection structure 4 includes: expansion joint 4.1, arc surface 4.2 and groove 4.3;
inside the reservoir bank asphalt concrete panel 3, an expansion joint 4.1 with a gradually expanding section is arranged at a position close to the first reinforced concrete connecting plate 1A; the contact surface of the reservoir bank asphalt concrete panel 3 and the first reinforced concrete connecting plate 1A is an arc surface 4.2; a groove 4.3 is arranged on the top surface of the first reinforced concrete connecting plate 1A, and plastic filler is filled in the groove 4.3. Thus, the shoreside asphalt concrete deck 3 can slide relative to the first reinforced concrete connection plate 1A by filling the grooves 4.3 with plastic filler.
As a specific implementation, the reservoir bank asphalt concrete panel 3 comprises a drainage mat layer 3.1, an emulsified asphalt layer 3.2, a leveling adhesive layer 3.3, an impermeable layer 3.4 and a sealing layer 3.5 which are arranged from bottom to top. The thickness of the drainage cushion layer 3.1 is not less than 30cm, a thin layer of emulsified asphalt is sprayed on the surface to form an emulsified asphalt layer 3.2, and the spraying amount is 0.5kg/m 2 ～3.0kg/m 2 The method comprises the steps of carrying out a first treatment on the surface of the Leveling the thickness of the cementing layer 3.3 to be 5 cm-15 cm; the thickness of the impermeable layer is 5 cm-15 cm; the thickness of the sealing layer 3.5 is 1 mm-3 mm.
The expansion joint 4.1 is arranged between the leveling adhesive layer 3.3 and the impermeable layer 3.4 of the reservoir bank asphalt concrete panel 3 and comprises an asphalt mortar wedge body 4.1.1, an impermeable thickened layer 4.1.2, a first emulsified asphalt layer 4.1.3, a reinforcement net 4.1.4 and a second emulsified asphalt layer 4.1.5 which are arranged from bottom to top. The thickness of the impermeable thickening layer 4.1.2 is 1/3-2/3 of the thickness of the impermeable layer 3.4, and the reinforced net 4.1.4 is a polyester material net.
The contact surface of the reservoir bank asphalt concrete panel 3 and the first reinforced concrete connecting plate 1A is provided with a plastic filler layer and an asphalt coating layer, the thickness of the plastic filler layer is 5 mm-15 mm, and the consumption of the asphalt coating is 0.1kg/m 2 ～0.3kg/m 2 . By arranging the plastic filler layer and the asphalt coating layer, the contact surface between the reservoir bank asphalt concrete panel 3 and the first reinforced concrete connecting plate 1A is ensured to beA flexible contact surface.
The impermeable layer 3.4 extends to the groove 4.3 groove top of the first reinforced concrete connecting plate 1A, and the lap joint length is more than 0.5m, so that the impermeable performance is further improved.
The reservoir bottom geomembrane 2 comprises a geomembrane lower supporting layer 2.1, a composite geomembrane 2.2 and a geomembrane upper protective layer 2.3 which are arranged from bottom to top. The support layer 2.1 under the geomembrane is crushed stone or pebble drainage material; the composite geomembrane 2.2 is one cloth-membrane or two cloth-membranes, and the weight of the geomembrane is 200g/m 2 ～500g/m 2 The thickness of the geotechnical film is 1 mm-5 mm; the protective layer 2.3 on the geomembrane is plain soil or sand gravel.
The second reinforced concrete connecting plate 1B is connected with the reservoir bottom geomembrane 2 in an anchoring mode, the composite geomembrane 2.2 is fixed on the second reinforced concrete connecting plate 1B by adopting metal strips and expansion bolts, and the reservoir bottom geomembrane is sealed by adopting an adhesive.
A surface water stop structure 6 is arranged at the top of the joint 5; the bottom is provided with a W-shaped metal water stop 7 with the thickness of 0.8 mm-1.2 mm; the rest is provided with a filling plate 8 which is an impregnated asphalt wood board or a hard closed-cell foam board.
In the utility model, the surface water stop structure 6 is arranged, so that the joint is ensured to have the characteristics of scalability, adaptability to three-dimensional deformation and the like. Specifically, the surface layer water stop structure 6 includes: the V-shaped groove 6.1, the anti-seepage protective cover plate 6.2, the expansion bolt 6.3 and the rubber rod 6.4 are provided with arc tops;
the seam opening of the seam 5 is provided with a V-shaped groove 6.1; a rubber rod 6.4 is arranged at the bottom of the V-shaped groove 6.1;
the seepage-proofing protection cover plate 6.2 adopts a homogeneous sheet type or a composite sheet type, the thickness is not less than 8mm, the two ends of the seepage-proofing protection cover plate are respectively fixed with the first reinforced concrete connecting plate 1A and the second reinforced concrete connecting plate 1B through expansion bolts 6.3, and the seepage-proofing protection cover plate is sealed by adopting an adhesive;
a cement mortar cushion layer 9 is arranged below the metal water stop 7, and the thickness is 3 cm-5 cm.
The following describes in detail the construction method for the connection type of the bottom geomembrane and the asphalt concrete panel of the bank:
first reinforced concrete connecting plate 1A is constructed, then reservoir bank asphalt concrete panel 3 is constructed, second reinforced concrete connecting plate 1B is constructed, and finally reservoir bottom geomembrane 2 is constructed.
The method specifically comprises the following steps:
s1, constructing a cement mortar cushion layer 9 arranged under the metal water stop 7.
S2, constructing a first reinforced concrete connecting plate 1A, burying a metal water stop belt 7, reserving a V-shaped groove 6.1 and a groove 4.3 at a seam.
S3, constructing a drainage cushion layer 3.1 under the reservoir bank asphalt concrete panel 3, spraying a thin layer on the surface to form an emulsified asphalt layer 3.2, and then constructing a leveling adhesive layer 3.3.
S4, constructing an arc surface sliding type expansion joint connecting structure 4, and firstly filling plastic filler into the groove 4.3; then evenly spreading a layer of plastic filler on the contact surface of the arc surface 4.2 and the reservoir bank asphalt concrete panel 3, and spraying a thin layer of asphalt paint; and constructing an asphalt mortar wedge body 4.1.1, an anti-seepage thickening layer 4.1.2, a first emulsified asphalt layer 4.1.3, a reinforcement net 4.1.4 and a second emulsified asphalt layer 4.1.5 from bottom to top.
S5, constructing an impermeable layer 3.4 and a sealing layer 3.5 of the reservoir bank asphalt concrete panel 3 from bottom to top.
S6, a filling plate 8 is arranged at the joint of the first reinforced concrete connecting plate 1A.
S7, constructing a second reinforced concrete connecting plate 1B, and reserving a V-shaped groove 6.1 at the seam.
S8, constructing a reservoir bottom geomembrane 2, wherein the order from bottom to top is a geomembrane lower support layer 2.1, a composite geomembrane 2.2 and a geomembrane upper protective layer 2.3. The composite geomembrane 2.2 is fixedly connected with the second reinforced concrete connecting plate 1B in an anchoring mode, and the composite geomembrane 2.2 is fixed on the second reinforced concrete connecting plate 1B by adopting metal strips and expansion bolts, and is sealed by adhesive.
S9, constructing a surface layer water stop structure 6, firstly placing a rubber rod 6.4 in the middle of a joint 5, and filling plastic filler; then covering the anti-seepage protective cover sheet 6.2, fixing by adopting a metal plate strip and an expansion bolt 6.3, and sealing by using an adhesive.
The following will take a reservoir adopting the technical scheme of the utility model as an example and further describe with reference to the accompanying drawings:
the connection type of the reservoir bottom geomembrane and the reservoir bank asphalt concrete panel is arranged in a reservoir, and the connection type comprises the following steps: the first reinforced concrete connecting plate 1A, the second reinforced concrete connecting plate 1B, the reservoir bottom geomembrane 2 and the reservoir bank asphalt concrete panel 3. The reservoir bottom geomembrane 2 comprises a geomembrane lower supporting layer 2.1, a composite geomembrane 2.2 and a geomembrane upper protective layer 2.3, wherein the geomembrane lower supporting layer 2.1 adopts crushed stone water permeable materials; the composite geomembrane 2.2 adopts two cloth and one membrane, and the weight of the geotextile is 300g/m 2 The thickness of the geotechnical film is 2mm, the geotechnical film is connected with the second reinforced concrete connecting plate 1B in an anchoring way, and is fixed by galvanized flat steel and expansion bolts, and is sealed by thermosol; the protective layer 2.3 on the geomembrane is sand gravel. The gradient of the asphalt concrete panel 3 on the reservoir bank is 1:1.75, a 60cm thick drainage cushion layer 3.1 of crushed stone material is arranged below the asphalt concrete panel, a thin layer of emulsified asphalt is sprayed on the surface of the asphalt concrete panel to form an emulsified asphalt layer 3.2, and the spraying amount is 1.5kg/m 2 . The leveling adhesive layer 3.3 is 8cm thick open graded asphalt concrete, the impermeable layer 3.4 is 10cm thick close graded asphalt concrete, and the sealing layer 3.5 is 2mm thick asphalt mastic. The reservoir bank asphalt concrete panel 3 is connected with a first reinforced concrete connecting plate 1A by adopting an arc surface sliding expansion joint connecting structure 4, and comprises an asphalt mortar wedge body 4.1.1, a 5cm thick impermeable thickening layer 4.1.2, a first emulsified asphalt layer 4.1.3, a reinforcement net 4.1.4 and a second emulsified asphalt layer 4.1.5, wherein a plastic filler with the thickness of 10mm and a thin asphalt coating are arranged on the contact surface, and the spraying dosage is 0.15kg/m 2 . The reinforcement net 4.1.4 is a polyester material net. The impermeable layer 3.4 extends to the top of the groove 4.3 of the first reinforced concrete connection plate 1A, and the overlap length is 0.7m. The first reinforced concrete connecting plate 1A and the second reinforced concrete connecting plate 1B are 3m wide and 1.6m thick, and are provided with single-layer bidirectional reinforcement bars; 150 sets of 8.0m long each along the circumferential library. The joint of the first reinforced concrete connecting plate 1A and the second reinforced concrete connecting plate 1B is provided with a V-shaped slot with a width of 1.2cm, and the filling plate 8 in the slot is an impregnated asphalt wood plate. The arc surface 4.2 of the first reinforced concrete connection plate 1A has a radius of 70cm and is provided with a cuboid-shaped groove 4.3 filled with plastic filler. The seam 5 is provided with a surface layer water stop structure 6 and a bottom metal water stop 7. The top layer water stop structure 6 is arranged at the top of the joint 5, and is formed by sequentially: rubber with diameter of 30mmThe rod 6.4, the plastic filler and the anti-seepage protective cover plate 6.2, the top of the plastic filler is in an upward convex arc shape; the anti-seepage protective cover plate 6.2 is a 13mm thick composite sheet, and is fixed by galvanized flat steel and expansion bolts 6.3, and is sealed by thermosol. A4 cm thick cement mortar cushion layer 9 is arranged under the metal water stop belt 7 at the bottom, 1mm thick W-shaped copper water stop is adopted, each side is 180mm wide in flat section, vertical legs are 60mm high, and noses are 80mm high and 20mm wide.
By adopting the technical scheme disclosed by the utility model, the following beneficial effects are obtained:
the bottom geomembrane and the asphalt concrete panel are connected through the reinforced concrete connecting plate, so that the structure is simple, and the problems that the geomembrane is damaged by asphalt concrete paving and rolling and the seepage-proofing effect is poor due to the fact that the conventional asphalt concrete panel structure is not rolled at the bottom end of the reservoir when the two are directly connected are solved; the construction is convenient, the foundation deformation can be effectively adapted, and the construction is safe and reliable; greatly optimizes the economic index of the seepage-proofing engineering, and can be widely used for engineering such as impounding reservoir, reservoir and the like.
The foregoing is merely a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model, which is also intended to be covered by the present utility model.
Claims (8)
1. A connection pattern of a reservoir bottom geomembrane and a reservoir bank asphalt concrete panel, comprising: a first reinforced concrete connecting plate (1A) and a second reinforced concrete connecting plate (1B);
the first reinforced concrete connecting plate (1A) and the second reinforced concrete connecting plate (1B) are arranged between the reservoir bottom geomembrane (2) and the reservoir bank asphalt concrete panel (3) and are arranged in the direction perpendicular to the axis of the reservoir;
the outer side of the first reinforced concrete connecting plate (1A) is connected with the reservoir bank asphalt concrete panel (3) by adopting an arc surface sliding expansion joint connecting structure (4); the outer side of the second reinforced concrete connecting plate (1B) is fixedly connected with the reservoir bottom geomembrane (2);
the first reinforced concrete connecting plates (1A) and the second reinforced concrete connecting plates (1B) are in one group, a plurality of groups are arranged along the direction of the annular warehouse, joints (5) are arranged between the first reinforced concrete connecting plates (1A) and the second reinforced concrete connecting plates (1B) and between two adjacent groups.
2. The connection pattern of a reservoir bottom geomembrane and a reservoir bank asphalt concrete panel according to claim 1, wherein the arc surface sliding expansion joint connection structure (4) comprises: the expansion joint (4.1), the arc surface (4.2) and the groove (4.3);
the inside of the reservoir bank asphalt concrete panel (3) is provided with the expansion joint (4.1) with the section gradually expanded at the position close to the first reinforced concrete connecting plate (1A);
the contact surface of the reservoir bank asphalt concrete panel (3) and the first reinforced concrete connecting plate (1A) is the arc surface (4.2);
the groove (4.3) is formed in the top surface of the first reinforced concrete connecting plate (1A), and plastic filler is filled in the groove (4.3).
3. The connection pattern of a reservoir bottom geomembrane and a reservoir bank asphalt concrete panel according to claim 2, characterized in that the reservoir bank asphalt concrete panel (3) comprises a drainage mat layer (3.1), an emulsified asphalt layer (3.2), a leveling cement layer (3.3), an impermeable layer (3.4) and a sealing layer (3.5) arranged from bottom to top;
the expansion joint (4.1) is arranged between a leveling adhesive layer (3.3) and an impermeable layer (3.4) of the reservoir bank asphalt concrete panel (3), and comprises an asphalt mortar wedge body (4.1.1), an impermeable thickening layer (4.1.2), a first emulsified asphalt layer (4.1.3), a reinforcement net (4.1.4) and a second emulsified asphalt layer (4.1.5) which are arranged from bottom to top.
4. A connection pattern of a reservoir bottom geomembrane and a reservoir bank asphalt concrete panel according to claim 3, characterized in that the contact surface of the reservoir bank asphalt concrete panel (3) and the first reinforced concrete connection plate (1A) is provided with a plastic filler layer and an asphalt paint layer.
5. A connection pattern of a reservoir bottom geomembrane to a reservoir bank asphalt concrete panel according to claim 3, characterized in that the barrier layer (3.4) extends to the groove (4.3) groove top of the first reinforced concrete connection plate (1A) with a lap joint length of more than 0.5m.
6. The connection pattern of a bottom geomembrane and a bank asphalt concrete panel according to claim 1, wherein the bottom geomembrane (2) comprises a bottom-up-arranged geomembrane lower support layer (2.1), a composite geomembrane (2.2) and a geomembrane upper protective layer (2.3);
the second reinforced concrete connecting plate (1B) is connected with the reservoir bottom geomembrane (2) in an anchoring mode, the composite geomembrane (2.2) is fixed on the second reinforced concrete connecting plate (1B) by adopting a metal lath and an expansion bolt, and the reservoir bottom geomembrane is sealed by adopting an adhesive.
7. The connection pattern of a bottom geomembrane and a top asphalt concrete panel according to claim 1, wherein a surface layer water stop structure (6) is arranged at the top of the joint (5), a W-shaped metal water stop belt (7) is arranged at the bottom, and a filling plate (8) is arranged at the rest.
8. The connection pattern of a reservoir bottom geomembrane to a reservoir bank asphalt concrete panel according to claim 7, characterized in that the surface layer water stop structure (6) comprises: the anti-seepage protective cover plate comprises a V-shaped groove (6.1), an anti-seepage protective cover plate (6.2), an expansion bolt (6.3) and a rubber rod (6.4), wherein the top of the V-shaped groove is arc-shaped;
the seam opening of the seam (5) is provided with the V-shaped groove (6.1); the rubber rod (6.4) is arranged at the bottom of the V-shaped groove (6.1);
two ends of the anti-seepage protection cover plate (6.2) are respectively fixed with the first reinforced concrete connecting plate (1A) and the second reinforced concrete connecting plate (1B) through expansion bolts (6.3);
a cement mortar cushion layer (9) is arranged below the metal water stop belt (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320993839.4U CN219621691U (en) | 2023-04-27 | 2023-04-27 | Connection of bottom geomembrane and bank asphalt concrete panel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320993839.4U CN219621691U (en) | 2023-04-27 | 2023-04-27 | Connection of bottom geomembrane and bank asphalt concrete panel |
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| Publication Number | Publication Date |
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| CN219621691U true CN219621691U (en) | 2023-09-01 |
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| CN202320993839.4U Active CN219621691U (en) | 2023-04-27 | 2023-04-27 | Connection of bottom geomembrane and bank asphalt concrete panel |
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| Country | Link |
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| CN (1) | CN219621691U (en) |
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