Composite water stop structure

Abstract

The utility model relates to a waterproof structure, and discloses a composite water stop structure, which comprises a base waterproof layer, a waterproof layer, a waterproof layer, a waterproof layer, a waterproof layer and a waterproof layer which are sequentially arranged from bottom to top, the shearing force layer is used for preventing water and transmitting shearing force; the deformation layer is used for preventing water and absorbing deformation; and the filler layer is used for preventing water and adapting to the mounting surface so as to cover and protect the substrate waterproof layer, the shear force layer and the deformation layer. And each functional layer has a waterproof function, so that a multiple water stop structure is formed, various guarantees are provided for seepage prevention, and the waterproof and seepage-proof capability is greatly improved. When the installation position has relative displacement due to the influence of external factors, the influence of displacement on the composite water stop structure is eliminated through mutual cooperation of the shear force layer and the deformation layer, and flexible connection is achieved. And the filler layer separates the shear force layer and the deformation layer from being communicated with the outside, so that the influence of external erosion is effectively reduced, the service life of the composite water stop structure is greatly prolonged, and the maintenance cost of the composite water stop structure is also reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to waterstop structure technical field, specifically relates to a composite waterstop structure. BACKGROUND

[0002] When the building is stressed and produces relative displacement in the use process, the connecting place of the aqueduct can be subjected to three-dimensional relative displacement caused by uneven settlement of the foundation, temperature load, concrete shrinkage and creep, etc., for the engineering node such as the connecting place of the aqueduct, the flexible connection waterproof structure is often used to realize the connection.

[0003] In the prior art, the flexible connection waterproof structure for the engineering node has a waterstop, a fastening and secondary sealing system or other structures, but the above structures are prone to aging in the long-term use process, which seriously affects the durability and anti-seepage effect of the engineering node. UTILITY MODEL CONTENTS

[0004] The utility model solves the technical problems that the prior art flexible connection waterproof structure is prone to aging, and aims to provide a composite waterstop to solve the above problems.

[0005] The utility model realizes the following technical scheme:

[0006] A composite waterstop comprises, from bottom to top, a substrate waterproof layer, a shear layer, a deformation layer and a filler layer.

[0007] The substrate waterproof layer is used for foundation waterproofing.

[0008] The shear layer is used for waterproofing and shear force transmission.

[0009] The deformation layer is used for waterproofing and deformation absorption.

[0010] The filler layer is used for waterproofing and installation surface adaptation to cover and protect the substrate waterproof layer, the shear layer and the deformation layer.

[0011] In a possible design, the substrate waterproof layer comprises a main body and a first connecting part.

[0012] The main body is U-shaped and placed below the installation surface.

[0013] The first connecting part is provided with two ends connected to the two ends of the main body, and is used for connecting the external environment.

[0014] In a possible design, the substrate waterproof layer is selected from a red copper waterstop, a stainless steel waterstop, a plastic waterstop or a composite waterstop.

[0015] In a possible design, the shear layer is selected from a comb plate, and the two ends of the comb plate are fixedly connected to the external environment.

[0016] In a possible design, when the external structure is a steel beam, the end of the comb plate is connected to the steel beam by welding;

[0017] When the external structure is a concrete beam, the end of the comb plate is connected to the concrete beam by an anchoring structure.

[0018] In a possible design, the anchoring structure comprises an additional platform, an anchoring cylinder and an anchoring rod, the additional platform is arranged on the concrete beam, the anchoring cylinder is embedded in the additional platform, and the anchoring rod passes through the end of the comb plate and connects the anchoring cylinder.

[0019] In a possible design, the deformation layer comprises a water stop part for absorbing deformation and a second connecting part for connecting the external structure, the water stop part is selected from a rubber water stop belt, a plastic water stop belt, a plastic water stop belt or a composite water stop belt, and the second connecting part is used to connect the external structure, the shear layer and the filler layer to fix the water stop part.

[0020] In a possible design, when the water stop part is selected from a rubber water stop belt, the second connecting part is selected from a steel plate;

[0021] Correspondingly, the two ends of the rubber water stop belt are embedded in the adjacent steel plates respectively, the middle part of the rubber water stop belt is provided with a wave part for preventing its torsional compression, and the wave part is staggered with the tooth gap of the comb plate;

[0022] Correspondingly, the steel plate connects the external structure, the shear layer and the filler layer, and the top surface of the steel plate is flush with the mounting surface.

[0023] In a possible design, the filler layer comprises a filler body layer, a seepage-proof cover sheet and an edge seal;

[0024] The lower end of the filler body layer is arranged on the deformation layer and extends to the mounting surface, and the upper end of the filler body layer is configured as an arc surface;

[0025] The seepage-proof cover sheet is arranged on the filler body layer, and the end of the seepage-proof cover sheet extends to the outside of the filler body layer and connects the mounting surface;

[0026] The edge seal is arranged on the gap between the end of the seepage-proof cover sheet and the mounting surface.

[0027] In a possible design, the filler body layer is selected from SR plastic filler, and the SR plastic filler is kneaded into strips, and a plurality of SR plastic filler strips are extruded to form the filler body layer;

[0028] The seepage-proof cover sheet is selected from an SR ethylene-propylene-diene rubber seepage-proof cover sheet, a steel-edged rubber seepage-proof cover sheet, a composite seepage-proof cover sheet or an inorganic material-based seepage-proof cover sheet; the end of the seepage-proof cover sheet is connected to the mounting surface by a pressing strip and a screw rod;

[0029] The edge seal is configured as a layered structure formed by solidification of an elastic edge sealant, a primer or a sealant.

[0030] Compared with the prior art, the utility model has the following advantages and beneficial effects:

[0031] Each function layer has waterproof function, forms multiple water stop structure and provides multiple guarantee for seepage prevention, and greatly improves the waterproof and seepage prevention capacity.

[0032] When the installation position appears relative displacement due to external factors, the displacement influence on the composite water stop structure is eliminated through the cooperation of the shear layer and the deformation layer, and flexible connection is realized.The filler layer disconnects the communication between the shear layer and the deformation layer and the outside, effectively reduces the influence of external erosion, greatly prolongs the service life of the composite water stop structure, and also helps to reduce the maintenance cost of the composite water stop structure. BRIEF DESCRIPTION OF DRAWINGS

[0033] The drawings described herein are used to provide further understanding of the embodiments of the utility model, constitute a part of this application, and do not constitute the limitation to the embodiments of the utility model.In the drawings:

[0034] Figure 1 It is a structural schematic view of a composite water stop structure.

[0035] Figure 2 It is a cooperation schematic view of the deformation layer and the anchoring structure.

[0036] Figure 3 It is a structural schematic view of the filler layer.

[0037] Markings in the drawings and corresponding component names:

[0038] 1, base waterproof layer;101, main body part;102, first connecting part;2, shear layer;3, deformation layer;301, water stop part;302, second connecting part;4, filler layer;401, filler body layer;402, seepage prevention cover sheet;403, edge sealing;5, filling layer;6, anchoring structure;601, additional table;602, anchoring cylinder;603, anchor rod;701, batten;702, screw rod. DETAILED DESCRIPTION

[0039] In order to make the purpose, technical scheme and advantages of the utility model more clear and obvious, the utility model is further explained in detail below by combining with the embodiments and drawings, and the illustrative embodiment and the description of the utility model are only used to explain the utility model, and not as the limitation to the utility model.

[0040] Embodiment:

[0041] In the existing flexible connection waterproof structure, the flexible connection is realized by using elastic materials, such as the use of a steel edge rubber waterstop in a waterstop, the rubber body provides elastic deformation capacity; the two galvanized steel edges are respectively anchored with a steel tank body (welded) and a pre-embedded steel bar in concrete (welded), solving the reliable connection problem with heterogeneous materials; or, in the fastening and secondary sealing system, on the water-facing surface, a stainless steel pressing plate and a bolt are used to fasten the steel edge of the waterstop to the tank body, and the outside is filled with high-performance elastic sealant to form multiple defense lines.

[0042] However, the elastic materials in these waterproof structures are exposed to the outside world, and the aging speed under external erosion is extremely fast, so that the flexible connection waterproof structure cannot achieve the designed service life, or frequent maintenance is required. To this end, a composite waterstop structure is proposed, specifically:

[0043] As shown in Figures 1-3 A composite waterstop structure includes, from bottom to top:

[0044] A base waterproof layer 1 for foundation waterproofing;

[0045] A shear layer 2 for waterproofing and transmitting shear force;

[0046] A deformation layer 3 for waterproofing and absorbing deformation;

[0047] A filler layer 4 for waterproofing and adapting to the installation surface to cover and protect the base waterproof layer 1, the shear layer 2 and the deformation layer 3.

[0048] Among them, each functional layer has a waterproof function, forming a multiple waterstop structure and providing multiple safeguards for seepage prevention, greatly improving the waterproof and seepage prevention capacity.

[0049] The base waterproof layer 1 is used for foundation waterproofing, the shear layer 2 transmits shear force, the deformation layer 3 absorbs deformation, and the filler layer 4 provides overall covering and protection. Thus, when the installation position appears relative displacement due to external factors, the displacement effect on the composite waterstop structure is eliminated through the cooperation of the shear layer 2 and the deformation layer 3, realizing flexible connection. And the filler layer 4 disconnects the shear layer 2 and the deformation layer 3 from the outside world, effectively reducing the influence of external erosion, greatly prolonging the service life of the composite waterstop structure, and also helping to reduce the maintenance cost of the composite waterstop structure.

[0050] For the covering and protection of the filler layer 4, combined with Figure 1As an illustration, the installation gap is left between the external components (such as two oppositely arranged beam structures), and the top surface of the external components is used as the installation surface (such as the top surface of the beam structure). The functional layers of the composite waterstop structure can also be divided into two parts, one of which is the part embedded in the installation gap, including the base waterproof layer 1, the shear layer 2 and the deformation layer 3, which is located in the installation gap and only communicates with the outside through the opening of the top surface of the installation gap; the other is the filler layer 4 located outside the installation gap, which is located on the installation surface and covers the opening of the top surface of the installation gap, so that after the installation of the filler layer 4, the remaining functional layers of the composite waterstop structure are covered by the filler layer 4, cutting off the communication with the outside.

[0051] Further, as shown in Figure 1 , the filler layer 4 is a solid structure, which not only helps to improve its waterproof performance, but also can improve its service life. Even if part of the filler layer 4 is damaged, it can cover and protect the functional layers below, so that the other functional layers can work normally. Therefore, the maintenance of the composite waterstop structure can only be for the filler layer 4, the maintenance object is single, which effectively simplifies and reduces the difficulty and economic cost of the maintenance work.

[0052] In one possible implementation, the base waterproof layer 1 includes a main body part 101 and a first connecting part 102;

[0053] The main body part 101 is in a U shape and is placed below the installation surface. Correspondingly, a cavity is left between the base waterproof layer 1 and the shear layer 2, and a filler layer 5 is arranged in the cavity.

[0054] The first connecting part 102 is provided with two and respectively connects the two ends of the main body part 101, and correspondingly, the first connecting part 102 is used to connect the outside.

[0055] Based on the above design scheme, the main body part 101 is in a U shape, and when the pressure is greater, the main body part 101 deforms under pressure, and the connection part under pressure is also greater, realizing self-adaptive sealing and helping to improve the sealing effect. At the same time, the U-shaped main body part 101 can also absorb structural deformation, adapt to construction deviation and have good durability. In addition, since it is arranged in a U shape, a cavity is left between the base waterproof layer 1 and the shear layer 2, which can be filled by the filler layer 5. As can be easily understood, the filler layer 5 is preferably made of foam board, which has good waterproof sealing performance, deformation adaptability, durability and stability, and is convenient for construction, and has the functions of heat insulation, sound insulation and filling and leveling, which helps to improve the comprehensive performance of the base waterproof layer 1; or the filler layer 5 can also be made of other any suitable materials.

[0056] The first connecting part 102 is used for connecting the external environment, and the external environment refers to the structure around the installation site of the composite water stop structure, such as a aqueduct connection, a bridge connection and the like. Based on the specific shape, size, material and the like of the surrounding structure, the first connecting part 102 can be connected to the surrounding structure by any suitable fixing mode to achieve the best connection effect, and the utility model does not make any limitation on this.

[0057] It is easy to understand that the base waterproof layer 1 is selected from a copper water stop belt, a stainless steel water stop belt, a plastic water stop belt or a composite water stop belt. Among them, the composite water stop belt refers to two or more than two different materials combined by a specific process, and the construction personnel can select from the existing types. Alternatively, the base waterproof layer 1 can also be selected from any other suitable waterproof structure, and the selection range is wide to better adapt to the working environment.

[0058] In one possible implementation, the shear layer 2 is selected from a comb plate, and the two ends of the comb plate are respectively fixedly connected to the external environment. Based on the above design scheme, the comb plate can realize large displacement expansion, and then generate displacement under the action of the external load, so that the composite water stop structure can adapt to the external load through the deformation of the deformation layer 3 without being damaged, and the long-term waterproof effect is ensured.

[0059] It is easy to understand that the comb plate is made of galvanized steel, or made of any other suitable weather-resistant material, or provided with a corrosion-resistant layer to improve the service life of the comb plate.

[0060] It is worth noting that the two ends of the comb plate need to be connected to the external environment, and the connection mode is different for different types of surrounding structures. For example, when the external structure is a steel beam, the end of the comb plate is connected to the steel beam by welding; when the external structure is a concrete beam, the end of the comb plate is connected to the concrete beam by the anchoring structure 6.

[0061] It is easy to understand that when the external structure is other structure, the end of the comb plate can be connected to the external environment by any suitable existing connection mode. At the same time, the connection mode of the two ends of the comb plate is selected and combined according to the specific situation, and the connection scheme is various to adapt to different environments.

[0062] Optionally, as shown in Figure 2 The anchoring structure 6 includes an additional table 601, an anchoring cylinder 602 and an anchor rod 603, the additional table 601 is arranged on the concrete beam, the anchoring cylinder 602 is embedded in the additional table 601, and the anchor rod 603 passes through the end of the comb plate and is connected to the anchoring cylinder 602.

[0063] Based on the above design scheme, the additional table 601 is arranged at the end of the concrete beam, such as formed by concrete pouring, and the anchoring cylinder 602 is embedded in the concrete pouring, and then the end of the comb plate is fixed on the concrete beam by the anchor rod 603.

[0064] In a possible implementation, the deformation layer 3 includes a water stop part 301 for absorbing deformation and a second connecting part 302 for connecting the external environment, the water stop part 301 is selected from a rubber water stop belt, a plastic water stop belt, a plastic water stop belt, or a composite water stop belt, and the second connecting part 302 is used to connect the external environment, the shear layer 2 and the filler layer 4 to fix the water stop part 301.

[0065] Based on the above design scheme, the water stop part 301 needs to have both waterproof and deformation absorption functions, so a water stop structure with deformation capacity is selected, such as a water stop belt made of deformable materials such as a rubber water stop belt, a plastic water stop belt, a plastic water stop belt, or a composite water stop belt. The second connecting part 302 is used to realize the connection of the water stop part 301 and the surrounding structure, so as to ensure that the water stop part 301 is located at the designed position.

[0066] Alternatively, as shown in Figure 2 When the water stop part 301 is selected from a rubber water stop belt, the second connecting part 302 is selected from a steel plate;

[0067] Correspondingly, the two ends of the rubber water stop belt are respectively embedded in the adjacent steel plates, the middle part of the rubber water stop belt is provided with a wave part for preventing it from being twisted and compressed, and the wave part is staggered with the tooth gap of the comb plate;

[0068] Correspondingly, the steel plate connects the external environment, the shear layer 2 and the filler layer 4, and the top surface of the steel plate is flush with the installation surface.

[0069] Based on the above design scheme, the two ends of the rubber water stop belt are preferably embedded in the gap between the steel plate and the comb plate to avoid secondary processing of the steel plate. Preferably, in order to improve the fixing effect of the rubber water stop belt, grooves are arranged on the surfaces of the steel plate and the comb plate, and the ends of the rubber water stop belt can be inserted into the grooves to form mechanical limiting.

[0070] And the setting of the wave part ensures that the rubber water stop belt will not be twisted and compressed, so that it can stably and effectively absorb deformation in a long time use. And the wave part is staggered with the tooth gap of the comb plate, so as to ensure that the shear layer 2 and the deformation layer 3 will not interfere with each other.

[0071] The steel plate as a rigid skeleton has certain supporting and protection functions, protects the rubber water stop belt and provides support for other components, can also cooperate with the comb plate to transfer load and ensure the stability of the overall structure; also has a certain waterproof sealing function to form a composite waterproof barrier with the surrounding components to block the intrusion of water.

[0072] In a possible implementation, the filler layer 4 includes a filler body layer 401, a seepage prevention cover sheet 402 and an edge sealing 403;

[0073] The lower end of the filler body layer 401 is arranged on the deformation layer 3 and extends to the mounting surface, and the upper end of the filler body layer 401 is configured as an arc surface;

[0074] The impermeable cover sheet 402 is arranged on the filler body layer 401, and the end portion of the impermeable cover sheet 402 extends to the outside of the filler body layer 401 and is connected to the mounting surface;

[0075] The sealing edge 403 is arranged on the gap between the end portion of the impermeable cover sheet 402 and the mounting surface.

[0076] Based on the above design scheme, the filler body layer 401 should be uniformly coated with a primer in the area to be filled before filling, and the filling operation is performed after the primer is solidified. After the filling is completed, the outer surface is scraped by a tool to form a smooth arc surface, thereby improving the passability of the filler layer 4. The filler body layer 401 can also effectively adapt to the unevenness of the mounting surface to ensure the waterproof effect.

[0077] After the filler body layer 401 is constructed, the impermeable cover sheet 402 is arranged thereon, and the impermeable cover sheet 402 should be rolled from the middle to both sides during laying, so as to discharge the bubbles in the filler body layer 401. The impermeable cover sheet 402 has good sealing, protection and durability, so that the filler layer 4 can be in the designed shape for a long time, and can also effectively block external erosion, thereby improving the service life of the composite water stop structure.

[0078] The edge of the impermeable cover sheet 402 is sealed by the sealing edge 403, so as to ensure the waterproof and impermeable effect of the filler layer 4.

[0079] Optionally, the filler body layer 401 is made of SR plastic filler, and the SR plastic filler is kneaded into a strip, and a plurality of SR plastic filler strips are extruded to form the filler body layer 401. Based on this, when the filler body layer 401 is extruded, it should be ensured that the gap is filled, the bubbles are reduced, and the waterproof and impermeable performance is ensured.

[0080] Optionally, the impermeable cover sheet 402 is made of SR ethylene-propylene-diene rubber impermeable cover sheet, steel edge rubber impermeable cover sheet, composite impermeable cover sheet or inorganic material-based impermeable cover sheet. Alternatively, any other suitable existing type can also be selected, and the utility model does not make any limitation on this.

[0081] In addition, the end portion of the impermeable cover sheet 402 is connected to the mounting surface through the pressing strip 701 and the screw rod 702. Based on this, a lasting and uniform compressive stress is provided, so that the filler layer 4 is uniformly stressed, thereby improving the service life. Figure 3 As shown in the figure, the end portion of the impermeable cover sheet 402 extends to the outside of the filler body layer 401, the pressing strip 701 presses the end portion of the impermeable cover sheet 402, and the screw rod 702 penetrates the pressing strip 701, the impermeable cover sheet 402 and is inserted into the mounting surface in sequence.

[0082] Optionally, the edge seal 403 is configured as a layer structure solidified by elastic sealant, primer or sealant. Based on this, continuous and full sealing is performed at the edge of the caulking strip 701, the anchor head of the screw rod 702, the closing part of the impermeable cover sheet, etc.

[0083] The above detailed description of the specific embodiments has further detailed the purpose, technical scheme and beneficial effects of the present application. It should be understood that the above detailed description is only a specific embodiment of the present application and is not used to limit the protection scope of the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. A composite waterstop structure, characterized by, It comprises, from bottom to top, successively arranged: a base waterproof layer (1) for foundation waterproofing; a shear layer (2) for waterproofing and transmitting shear force; a deformation layer (3) for waterproofing and absorbing deformation; a filler layer (4) for waterproofing and adapting to the installation surface to cover and protect the base waterproof layer (1), the shear layer (2) and the deformation layer (3).

2. The composite waterstop structure of claim 1, wherein The base waterproof layer (1) comprises a main body part (101) and a first connecting part (102); The main body part (101) is in the shape of U and is placed below the installation surface; correspondingly, a cavity is left between the base waterproof layer (1) and the shear layer (2), and a filler layer (5) is arranged in the cavity; The first connecting part (102) is provided with two and is connected to the two ends of the main body part (101) respectively, and correspondingly, the first connecting part (102) is used for connecting the external environment.

3. The composite waterstop structure of claim 2, wherein The base waterproof layer (1) is selected from a group consisting of red copper waterstop, stainless steel waterstop, plastic waterstop and composite waterstop.

4. The composite waterstop structure of claim 1, wherein The shear layer (2) is selected from a group consisting of comb plate, and the two ends of the comb plate are fixedly connected to the external environment respectively.

5. The composite waterstop structure of claim 4, wherein When the external environment is a steel beam, the end of the comb plate is connected to the steel beam by welding; When the external environment is a concrete beam, the end of the comb plate is connected to the concrete beam by an anchoring structure (6).

6. The composite waterstop structure of claim 5, wherein The anchoring structure (6) comprises an additional platform (601), an anchoring cylinder (602) and an anchor rod (603), the additional platform (601) is arranged on the concrete beam, the anchoring cylinder (602) is embedded in the additional platform (601), and the anchor rod (603) passes through the end of the comb plate and is connected to the anchoring cylinder (602).

7. The composite waterstop structure of claim 4, wherein The deformation layer (3) comprises a waterstop part (301) for absorbing deformation and a second connecting part (302) for connecting the external environment, the waterstop part (301) is selected from a group consisting of rubber waterstop, plastic waterstop, plastic waterstop and composite waterstop, and the second connecting part (302) is used for connecting the external environment, the shear layer (2) and the filler layer (4) to fix the waterstop part (301).

8. The composite waterstop structure of claim 7, wherein When the waterstop part (301) is selected from a group consisting of rubber waterstop, the second connecting part (302) is selected from a group consisting of steel plate; Correspondingly, the two ends of the rubber waterstop are embedded in the adjacent steel plate respectively, the middle part of the rubber waterstop is provided with a wave part for preventing the rubber waterstop from being twisted and compressed, and the wave part is staggered with the tooth gap of the comb plate; Correspondingly, the steel plate is connected to the external environment, the shear layer (2) and the filler layer (4), and the top surface of the steel plate is flush with the installation surface.

9. The composite waterstop structure of claim 1, wherein The filler layer (4) comprises a filler body layer (401), an anti-seepage cover sheet (402) and an edge seal (403); The lower end of the filler body layer (401) is arranged on the deformation layer (3) and extends to the installation surface, and the upper end of the filler body layer (401) is in the shape of arc surface; The anti-seepage cover sheet (402) is arranged on the filler body layer (401), and the end of the anti-seepage cover sheet (402) extends to the outside of the filler body layer (401) and is connected to the installation surface; The edge seal (403) is arranged on the gap between the end of the anti-seepage cover sheet (402) and the installation surface.

10. The composite waterstop structure of claim 9, wherein The filler body layer (401) is selected from a group consisting of SR plastic filler, and the SR plastic filler is kneaded into strips, and a plurality of SR plastic filler strips are extruded to form the filler body layer (401); The impermeable cover sheet (402) is selected from SR ternary ethylene-propylene rubber impermeable cover sheet, steel edge rubber impermeable cover sheet, composite impermeable cover sheet or inorganic material-based impermeable cover sheet; the end of the impermeable cover sheet (402) is connected and installed on the surface through the pressing strip (701) and the screw rod (702); The edge sealing (403) is configured as a layered structure formed by solidification of elastic edge sealing agent, primer or sealant.

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