Impermeable sealing assembly for connecting prefabricated aqueduct body

Abstract

The utility model relates to the technical field of aqueduct construction, and particularly discloses an anti-permeation sealing assembly for connecting a prefabricated aqueduct body, the anti-permeation sealing assembly comprises a backwater sealing layer, an upstream sealing layer, a water retaining strip component, an upstream sealing strip component and a pressing strip assembly, the backwater sealing layer is arranged on the backwater surface of the water retaining strip component; the upstream sealing strip part is arranged on the upstream face of the water retaining strip part; the pressing strip assembly is arranged on the upstream face of the upstream sealing strip component and connected with the aqueduct after penetrating through the upstream sealing strip component and the water retaining strip component. The upstream sealing layer is arranged on the upstream face of the pressing strip assembly. According to the aqueduct, the sealing effect of the aqueduct seam is improved.

Description

Technical Field

[0001] The present application relates to the technical field of aqueduct construction, and in particular to an anti-permeation sealing assembly for connecting a prefabricated aqueduct body. Background Art

[0002] At present, aqueducts are widely used in water transport projects and long-distance water diversion projects in mountainous areas. Navigable aqueducts are often used in water transport projects, while high-pier and large-span aqueducts are often used in long-distance water diversion projects in mountainous areas. Aqueducts are formed by connecting multiple sections, and there are slots between two adjacent sections. In order to prevent water leakage at the slots, sealing structures are set at the slots.

[0003] In the related technology, a water-stopping structure for an aqueduct is disclosed, in which a sealing groove is opened at the groove of the inner wall of the aqueduct, and the sealing groove includes a first groove portion and a second groove portion, the first groove portion is located on the first side groove section of the groove, and the second groove portion is located on the second side groove section of the groove, and embedded steel plates, waterstops and pressure plates are sequentially arranged from the bottom of the sealing groove to the groove mouth, and the pressure plate cooperates with bolts to press the embedded steel plates and waterstops to the bottom of the sealing groove, one side edge of the waterstop is located at the first groove portion, and the other side edge of the waterstop is located at the second groove portion, thereby being able to seal the groove.

[0004] The above-mentioned related technologies have the following defects: the above-mentioned aqueduct water-stopping structure has only the water-stopping effect of the water-stopping strip, and the water-stopping effect is poor. Utility Model Content

[0005] In order to improve the sealing effect at the seams of aqueducts, the present application provides an anti-permeability sealing assembly for connecting the bodies of prefabricated aqueducts.

[0006] The present application provides an anti-permeation sealing assembly for connecting a prefabricated aqueduct body, which adopts the following technical solution:

[0007] An anti-permeability sealing assembly for connecting a prefabricated aqueduct body, comprising a back water sealing layer, a front water sealing layer, a water retaining strip component, a front water sealing strip component and a pressure strip component, wherein the back water sealing layer is arranged on the back water surface of the water retaining strip component;

[0008] The water-facing sealing strip component is arranged on the water-facing surface of the water retaining strip component;

[0009] The pressure strip assembly is arranged on the water-facing surface of the water-facing sealing strip component, and the pressure strip assembly passes through the water-facing sealing strip component and the water retaining strip component, and is connected to the aqueduct;

[0010] The water-facing sealing layer is arranged on the water-facing surface of the pressure strip assembly.

[0011] By adopting the above technical scheme, when sealing the slot of the aqueduct, the anti-permeation sealing strip assembly is installed at the bottom of the slot where the seal is set. From the bottom of the slot where the seal is set to the slot mouth, the water retaining strip component, the water-facing sealing strip component and the pressure strip assembly are sequentially arranged. After the pressure strip assembly passes through the water-facing sealing strip component and the water retaining strip component, it is connected to the bottom of the slot where the seal is set, and a part of the water retaining strip component and a part of the water-facing sealing strip component are pressed on the bottom of the first slot, and another part of the water retaining strip component and another part of the water-facing sealing strip component are pressed on the bottom of the second slot. The back water sealing layer is used to fill the slot located at the back water surface of the water retaining strip component, and the water-facing sealing layer is used to fill the slot located at the water-facing surface of the pressure strip assembly. The back water sealing layer forms the first seal of the slot. The water retaining strip component forms the second seal of the slot. The water-facing sealing strip component forms the third seal of the slot. The water-facing sealing layer forms the fourth seal of the slot. The quadruple seal improves the sealing effect at the slot of the aqueduct.

[0012] Optionally, the water retaining strip component comprises a limit water retaining strip, a first arcuate water retaining strip and a second arcuate water retaining strip, in the width direction of the water retaining strip component, the first arcuate water retaining strip, the limit water retaining strip and the second arcuate water retaining strip are sequentially connected, and a limit groove is provided on the water-facing surface of the limit water retaining strip;

[0013] The length directions of the first arc-shaped water retaining strip, the position-limiting water retaining strip, the second arc-shaped water retaining strip and the position-limiting groove are consistent with the length direction of the water retaining strip component.

[0014] By adopting the above technical solution, when installing the water retaining strip component, the limiting water retaining strip is inserted into the groove between the first setting groove portion and the second setting groove portion to limit the position of the water retaining strip component. The first arc-shaped water retaining strip is pressed against the bottom of the first setting groove portion to seal the first side of the groove. The second arc-shaped water retaining strip is pressed against the bottom of the second setting groove portion to seal the second side of the groove.

[0015] Optionally, the water-facing sealing strip component comprises a limit strip, a first sealing strip and a second sealing strip, and in the width direction of the water-facing sealing strip component, the limit strip, the first sealing strip and the second sealing strip are sequentially connected;

[0016] The limiting strip is located in the limiting groove, the first sealing strip is arranged on the water-facing surface of the first arc-shaped water retaining strip, and the second sealing strip is arranged on the water-facing surface of the second arc-shaped water retaining strip.

[0017] By adopting the above technical solution, the limiting strip is inserted into the limiting groove to limit the position of the water-facing sealing strip component. The first sealing strip contacts the first arcuate water retaining strip and the groove wall of the first groove portion to seal the first side of the groove. The second sealing strip contacts the second arcuate water retaining strip and the groove wall of the second groove portion to seal the second side of the groove.

[0018] Optionally, the pressure strip assembly includes a first pressure plate, a first bolt, a second pressure plate and a second bolt, the first pressure plate is arranged on the water-facing surface of the first sealing strip, and the first bolt passes through the first pressure plate, the first sealing strip and the first arc-shaped water retaining strip in sequence and is installed on the aqueduct;

[0019] The second pressing plate is arranged on the water-facing surface of the second sealing strip, and the second bolt passes through the second pressing plate, the second sealing strip and the second arc-shaped water retaining strip in sequence and is then installed on the aqueduct.

[0020] By adopting the above technical solution, the first bolt passes through the first pressure plate, the first sealing strip and the first arc-shaped water retaining strip in sequence, and is installed at the bottom of the first groove portion, so as to press the first pressure plate, the first sealing strip and the first arc-shaped water retaining strip at the bottom of the first groove portion. The second bolt passes through the second pressure plate, the second sealing strip and the second arc-shaped water retaining strip in sequence, and is installed at the bottom of the second groove portion, so as to press the second pressure plate, the second sealing strip and the second arc-shaped water retaining strip at the bottom of the second groove portion.

[0021] Optionally, the back water sealing layer includes a first two-component flow-gathering sealing paste layer, and the first two-component flow-gathering sealing paste layer is arranged on the back water surface of the position-limiting water retaining strip.

[0022] By adopting the above technical solution, the first two-component flow-concentrating sealing paste layer is used to fill the groove located at the back water surface of the water retaining strip component to seal the groove.

[0023] Optionally, the back water sealing layer further comprises a closed-cell foam board, and the closed-cell foam board is arranged on the back water surface of the first two-component flow-concentrating sealing paste layer.

[0024] By adopting the above technical solution, the closed-cell foam board is used to fill the groove located at the back water surface of the first two-component concentrating sealing paste layer to seal the groove.

[0025] Optionally, the water-facing sealing layer includes an asphalt hemp layer, and the asphalt hemp layer is arranged on the water-facing surface of the limiting water retaining strip.

[0026] By adopting the above technical solution, the asphalt hemp fiber layer is used to fill the grooves on the water-facing surface of the limit water retaining strip, and the asphalt hemp fiber layer can also be waterproof and anti-corrosive, thereby increasing the service life of the components at the grooves.

[0027] Optionally, the water-facing sealing layer further comprises a second two-component flow-gathering sealing paste layer, and the second two-component flow-gathering sealing paste layer is arranged on the water-facing surface of the asphalt hemp layer.

[0028] By adopting the above technical solution, the second two-component concentrated sealing paste layer further improves the sealing effect at the asphalt hemp fiber layer.

[0029] Optionally, the water-facing sealing layer further includes a first mortar layer and a second mortar layer, wherein the first mortar layer is arranged on the water-facing surface of the first pressing plate, and the second mortar layer is arranged on the water-facing surface of the second pressing plate;

[0030] The asphalt hemp layer and the second two-component flow-collecting sealant layer are both located between the first mortar layer and the second mortar layer.

[0031] By adopting the above technical solution, after the asphalt hemp fiber layer and the second two-component flow-gathering sealant layer are arranged on the groove of the water-facing surface of the limit water retaining strip, the sealing groove is uneven. The first mortar layer and the second mortar layer are used to fill the remaining space in the sealing groove and smooth the sealing groove area.

[0032] In summary, the present application includes at least one of the following beneficial technical effects:

[0033] 1. In the present application, the water retaining strip component forms the first seal for the slot, the water-facing sealing strip component forms the second seal for the slot, the back-water sealing layer forms the third seal for the slot, and the water-facing sealing layer forms the fourth seal for the slot. The quadruple seal improves the sealing effect at the slot of the aqueduct.

[0034] 2. In the present application, the limiting water retaining strip is inserted into the groove between the first groove portion and the second groove portion to limit the position of the water retaining strip component. The first arc-shaped water retaining strip is pressed on the bottom of the first groove portion to seal the first side of the groove. The second arc-shaped water retaining strip is pressed on the bottom of the second groove portion to seal the second side of the groove.

[0035] 3. In the present application, the limit strip is inserted into the limit groove to limit the position of the water-facing sealing strip component. The first sealing strip contacts the first arc-shaped water retaining strip and the groove wall of the first groove portion to seal the first side of the groove. The second sealing strip contacts the second arc-shaped water retaining strip and the groove wall of the second groove portion to seal the second side of the groove.

[0036] 4. In the present application, the first bolt passes through the first pressure plate, the first sealing strip and the first arc-shaped water retaining strip in sequence, and is installed at the bottom of the first groove portion, which is used to press the first pressure plate, the first sealing strip and the first arc-shaped water retaining strip to the bottom of the first groove portion; the second bolt passes through the second pressure plate, the second sealing strip and the second arc-shaped water retaining strip in sequence, and is installed at the bottom of the second groove portion, which is used to press the second pressure plate, the second sealing strip and the second arc-shaped water retaining strip to the bottom of the second groove portion.

[0037] 5. The back water sealing layer in the present application is used to fill the grooves located at the back water surface of the water retaining bar component.

[0038] 6. The water-facing sealing layer in the present application is used to fill the grooves located on the water-facing surface of the layering strip assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0039] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0040] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the present application;

[0041] Figure 2 is a schematic diagram of a cross-sectional three-dimensional structure of an embodiment of the present application;

[0042] Figure 3 yes Figure 2 A magnified schematic diagram of part A;

[0043] Figure 4 It is a schematic diagram of the cross-sectional structure of an embodiment of the present application.

[0044] Reference numerals:

[0045] 1. Aqueduct; 10. Sealing member setting groove; 101. First setting groove portion; 102. Second setting groove portion; 100. Slot; 11. First side groove section; 12. Second side groove section; 2. Back water sealing layer; 21. First two-component flow-gathering sealant layer; 22. Closed-cell foam board; 3. Water-facing sealing layer; 31. Asphalt hemp fiber layer; 32. Second two-component flow-gathering sealant layer; 301. First mortar layer; 302. Second mortar layer; 4. Water retaining strip component; 40. Position-limiting water retaining strip; 401. Position-limiting groove; 41. First arc-shaped water retaining strip; 42. Second arc-shaped water retaining strip; 5. Water-facing sealing strip component; 50. Position-limiting strip; 51. First sealing strip; 52. Second sealing strip; 6. Pressure strip assembly; 61. First pressure plate; 611. First bolt; 62. Second pressure plate; 621. Second bolt. DETAILED DESCRIPTION

[0046] The following is combined with Figure 1-4 This application is further described in detail. Figure 1 and Figure 2 As shown, the aqueduct 1 is formed by connecting multiple sections, and there is a slot 100 between two adjacent sections. In order to prevent water leakage at the slot 100, an anti-permeation sealing strip assembly is set at the slot 100. In order to facilitate the description of the installation of the anti-permeation sealing strip assembly, the slot section on one side of the slot 100 is set as the first side slot section 11, and the slot section on the other side of the slot 100 is set as the second side slot section 12. When the anti-permeation sealing strip assembly is set, a sealing member setting groove 10 is opened at the slot 100 on the inner wall of the aqueduct 1. The sealing member setting groove 10 includes a first setting groove portion 101 and a second setting groove portion 102. The first setting groove portion 101 is located on the first side slot section 11, and the second setting groove portion 102 is located on the second side slot section 12.

[0047] The embodiment of the present application discloses an anti-permeation sealing assembly for connecting the body of a prefabricated aqueduct.

[0048] Reference Figure 2 , Figure 3 and Figure 4, an anti-permeation sealing assembly for connecting a prefabricated aqueduct body, comprising a back water sealing layer 2, a front water sealing layer 3, a water retaining strip component 4, a front water sealing strip component 5 and a pressure strip component 6, wherein the back water sealing layer 2 is located in a slot 100 below the bottom of a sealing groove 10, and is used to fill the slot 100 below the bottom of the sealing groove 10, so as to form a first seal of the slot 100. The water retaining strip component 4 is arranged on the front water surface of the back water sealing layer 2, the water retaining strip component 4 contacts the bottom of the sealing groove 10, a part of the water retaining strip component 4 is located at the bottom of a first setting groove 101, and another part contacts the bottom of a second setting groove 102, and the water retaining strip component 4 forms a second seal of the slot 100. The front water sealing strip component 5 is arranged on the front water surface of the water retaining strip component 4, a part of the water retaining strip component 5 is located in the first setting groove 101, and another part is located in the second setting groove, and the water retaining strip component 5 forms a third seal of the slot 100. The pressure strip assembly 6 is arranged on the water-facing surface of the water-facing sealing strip component 5. After passing through the water-facing sealing strip component 5 and the water-retaining strip component 4, the pressure strip assembly 6 is connected to the aqueduct 1, and is used to press a part of the water-retaining strip component 4 and a part of the water-facing sealing strip component 5 on the bottom of the first groove 101, and press another part of the water-retaining strip component 4 and another part of the water-facing sealing strip component 5 on the bottom of the second groove 102, and fix the water-retaining strip component 4 and the water-facing sealing strip component 5, so that the water-retaining strip component 4 and the water-facing sealing strip component 5 can effectively seal the groove 100. The water-facing sealing layer 3 is arranged on the water-facing surface of the pressure strip assembly 6, and is used to fill the sealing component setting groove 10 above the water-facing sealing strip component 5. The water-facing sealing layer 3 forms the fourth seal of the groove 100. The quadruple seal improves the sealing effect at the groove 100 of the aqueduct 1.

[0049] Reference Figure 2 , Figure 3 and Figure 4 The water retaining bar component 4 is integrally formed, and the water retaining bar component 4 includes a limiting water retaining bar 40, a first arc-shaped water retaining bar 41 and a second arc-shaped water retaining bar 42. In the width direction of the water retaining bar component 4, the first arc-shaped water retaining bar 41, the limiting water retaining bar 40 and the second arc-shaped water retaining bar 42 are sequentially connected, and a limiting groove 401 is provided on the water-facing surface of the limiting water retaining bar 40, and the limiting groove 401 is formed by bending the middle part of the limiting water retaining bar 40. The length direction of the first arc-shaped water retaining bar 41, the limiting water retaining bar 40, the second arc-shaped water retaining bar 42 and the limiting groove 401 is consistent with the length direction of the water retaining bar component 4. The first arc-shaped water retaining bar 41 and the second arc-shaped water retaining bar 42 are symmetrically arranged with the limiting water retaining bar 40 as the symmetry axis.

[0050] Reference Figure 2 , Figure 3 and Figure 4In the embodiment of the present application, when the water barrier strip component 4 is installed, the position-limiting water barrier strip 40 is inserted into the slot 100 between the first setting slot portion 101 and the second setting slot portion 102 to limit the position of the water barrier strip component 4. The first arc-shaped water barrier strip 41 is pressed on the bottom of the first setting slot portion 101 to seal the first side of the slot 100. The second arc-shaped water barrier strip 42 is pressed on the bottom of the second setting slot portion 102 to seal the second side of the slot 100.

[0051] Reference Figure 2 , Figure 3 and Figure 4 The water-facing sealing strip component 5 is integrally formed, and includes a limiting strip 50, a first sealing strip 51, and a second sealing strip 52. In the width direction of the water-facing sealing strip component 5, the limiting strip 50, the first sealing strip 51, and the second sealing strip 52 are sequentially connected. The limiting strip 50 is located in the limiting groove 401, the first sealing strip 51 is arranged on the water-facing surface of the first arc-shaped water retaining strip 41, and the second sealing strip 52 is arranged on the water-facing surface of the second arc-shaped water retaining strip 42.

[0052] Reference Figure 2 , Figure 3 and Figure 4 In the embodiment of the present application, the limiting strip 50 is inserted into the limiting groove 401 to limit the position of the water-facing sealing strip component 5. The first sealing strip 51 contacts the first arcuate water retaining strip 41 and the groove wall of the first setting groove portion 101 to seal the first side of the slot 100. The second sealing strip 52 contacts the second arcuate water retaining strip 42 and the groove wall of the second setting groove portion 102 to seal the second side of the slot 100.

[0053] Reference Figure 2 , Figure 3 and Figure 4 The pressure strip assembly 6 includes a first pressure plate 61, a plurality of first bolts 611, a second pressure plate 62 and a plurality of second bolts 621. The first pressure plate 61 is arranged on the water-facing surface of the first sealing strip 51. The first pressure plate 61 is arranged along the length direction of the first sealing strip 51. The plurality of first bolts 611 are arranged at intervals along the length direction of the first pressure plate 61. The first bolt 611 passes through the first pressure plate 61, the first sealing strip 51 and the first arc-shaped water retaining strip 41 in sequence, and is installed at the bottom of the first setting groove portion 101, so as to press the first pressure plate 61, the first sealing strip 51 and the first arc-shaped water retaining strip 41 at the bottom of the first setting groove portion 101.

[0054] Reference Figure 2 , Figure 3 and Figure 4The second pressure plate 62 is arranged on the water-facing surface of the second sealing strip 52, and the second pressure plate 62 is arranged along the length direction of the second sealing strip 52. A plurality of second bolts 621 are arranged at intervals along the length direction of the second pressure plate 62. The second bolts 621 pass through the second pressure plate 62, the second sealing strip 52 and the second arc-shaped water retaining strip 42 in sequence, and are installed at the bottom of the second setting groove portion 102, so as to press the second pressure plate 62, the second sealing strip 52 and the second arc-shaped water retaining strip 42 at the bottom of the second setting groove portion 102.

[0055] Reference Figure 2 , Figure 3 and Figure 4 The back water sealing layer 2 includes a first two-component flow-gathering sealing paste layer 21 and a closed-cell foam board 22. The first two-component flow-gathering sealing paste layer 21 is arranged on the back water surface of the limiting water retaining strip 40, and is used to fill the slot 100 located at the back water surface of the water retaining strip component 4, and seal the slot 100. The closed-cell foam board 22 is arranged on the back water surface of the first two-component flow-gathering sealing paste layer 21, and is used to fill the slot 100 located at the back water surface of the first two-component flow-gathering sealing paste layer 21, and further seal the slot 100.

[0056] Reference Figure 2 , Figure 3 and Figure 4 The water-facing sealing layer 3 includes an asphalt hemp layer 31, a second two-component flow-gathering sealing paste layer 32, a first mortar layer 301, and a second mortar layer 302. The asphalt hemp layer 31 is arranged on the water-facing surface of the limiting water retaining strip 40, and the green hemp layer is used to fill the slot 100 at the water-facing surface of the limiting water retaining strip 40, and the asphalt hemp layer 31 can also be waterproof and anti-corrosive, thereby improving the service life of the components at the slot 100. The second two-component flow-gathering sealing paste layer 32 is arranged on the water-facing surface of the asphalt hemp layer 31, and the second two-component flow-gathering sealing paste layer 32 further improves the sealing effect at the asphalt hemp layer 31. The first mortar layer 301 is arranged on the water-facing surface of the first pressing plate 61, and the second mortar layer 302 is arranged on the water-facing surface of the second pressing plate 62. The asphalt hemp layer 31 and the second two-component flow-gathering sealing paste layer 32 are both located between the first mortar layer 301 and the second mortar layer 302. After the asphalt hemp layer 31 and the second two-component flow-gathering sealant layer 32 are arranged on the groove 100 at the water-facing surface of the limit water retaining strip 40, the seal setting groove 10 is uneven. The first mortar layer 301 and the second mortar layer 302 are used to fill the remaining space in the seal setting groove 10 and smooth the seal setting groove 10 area.

[0057] The implementation principle of an anti-permeation sealing assembly for connecting the prefabricated aqueduct body in the embodiment of the present application is as follows:

[0058] The back water sealing layer 2 is located in the groove 100 below the bottom of the sealing element setting groove 10 and is used to fill the groove 100 below the bottom of the sealing element setting groove 10 to form a first sealing of the groove 100 .

[0059] The water retaining strip component 4 is arranged on the water-facing surface of the back water sealing layer 2, and the water retaining strip component 4 contacts the bottom of the sealing component setting groove 10. A part of the water retaining strip component 4 is located at the bottom of the first setting groove portion 101, and the other part contacts the bottom of the second setting groove portion 102. The water retaining strip component 4 forms a second seal for the slot 100.

[0060] The water-facing sealing strip component 5 is arranged on the water-facing surface of the water-blocking strip component 4 , a part of the water-facing sealing strip component 5 is located in the first setting groove 101 , and the other part is located in the second setting groove. The water-facing sealing strip component 5 forms a third seal for the slot 100 .

[0061] The pressure strip assembly 6 is arranged on the water-facing surface of the water-facing sealing strip component 5. After passing through the water-facing sealing strip component 5 and the water-retaining strip component 4, the pressure strip assembly 6 is connected to the aqueduct 1, and is used to press a part of the water-retaining strip component 4 and a part of the water-facing sealing strip component 5 on the bottom of the first groove portion 101, and press another part of the water-retaining strip component 4 and another part of the water-facing sealing strip component 5 on the bottom of the second groove portion 102, to fix the water-retaining strip component 4 and the water-facing sealing strip component 5, so that the water-retaining strip component 4 and the water-facing sealing strip component 5 can effectively seal the groove 100.

[0062] The water-facing sealing layer 3 is arranged on the water-facing surface of the pressure strip assembly 6 and is used to fill the sealing component setting groove 10 above the water-facing sealing strip component 5. The water-facing sealing layer 3 forms the fourth sealing of the slot 100.

[0063] The first two-component flow-gathering sealant layer 21 is arranged on the back surface of the limiting water retaining strip 40, and is used to fill the slot 100 located on the back surface of the water retaining strip component 4, and seal the slot 100. The closed-cell foam board 22 is arranged on the back surface of the first two-component flow-gathering sealant layer 21, and is used to fill the slot 100 located on the back surface of the first two-component flow-gathering sealant layer 21, and further seal the slot 100.

[0064] The asphalt hemp layer 31 is arranged on the water-facing surface of the limit water retaining strip 40, and the green hemp layer is used to fill the slot 100 at the water-facing surface of the limit water retaining strip 40, and the asphalt hemp layer 31 can also be waterproof and anti-corrosive, thereby improving the service life of the components at the slot 100. The second two-component flow-gathering sealant layer 32 is arranged on the water-facing surface of the asphalt hemp layer 31, and the second two-component flow-gathering sealant layer 32 further improves the sealing effect at the asphalt hemp layer 31. The first mortar layer 301 is arranged on the water-facing surface of the first pressing plate 61, and the second mortar layer 302 is arranged on the water-facing surface of the second pressing plate 62. The asphalt hemp layer 31 and the second two-component flow-gathering sealant layer 32 are both located between the first mortar layer 301 and the second mortar layer 302. After the asphalt hemp layer 31 and the second two-component flow-gathering sealant layer 32 are arranged on the water-facing surface of the limit water retaining strip 40 to fill the slot 100, the sealing member is arranged unevenly in the groove 10. The first mortar layer 301 and the second mortar layer 302 are used to fill the remaining space in the sealing member arrangement groove 10 and smooth the sealing member arrangement groove 10 area.

[0065] Unless otherwise defined, the technical terms or scientific terms used in this application should be understood by people with ordinary skills in the field to which this application belongs. The words "first", "second", "third" and similar words used in the specification and claims of this application do not indicate any order, quantity or importance, but are only used to distinguish different components. "One" or "one" and similar words do not indicate a quantitative limit, but indicate that there is at least one. "Include" or "comprise" and similar words mean that the elements or objects appearing before "include" or "comprise" include the elements or objects listed after "include" or "comprise" and their equivalents, and do not exclude other elements or objects. "Up", "down", "left", "right" and the like are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0066] The above are all optional embodiments of the present application, and are not intended to limit the protection scope of the present application. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. An anti-permeation sealing assembly for connecting a prefabricated aqueduct body, characterized in that: It comprises a back water sealing layer (2), a front water sealing layer (3), a water retaining strip component (4), a water retaining strip component (5) and a pressure strip assembly (6), wherein the back water sealing layer (2) is arranged on the back water surface of the water retaining strip component (4); The water-facing sealing strip component (5) is arranged on the water-facing surface of the water retaining strip component (4); The pressure strip assembly (6) is arranged on the water-facing surface of the water-facing sealing strip component (5); after the pressure strip assembly (6) passes through the water-facing sealing strip component (5) and the water retaining strip component (4), it is connected to the aqueduct (1); The water-facing sealing layer (3) is arranged on the water-facing surface of the layering strip assembly (6).

2. The anti-permeation sealing assembly for connecting the prefabricated aqueduct body according to claim 1, characterized in that: The water retaining strip component (4) comprises a position-limiting water retaining strip (40), a first arc-shaped water retaining strip (41) and a second arc-shaped water retaining strip (42); in the width direction of the water retaining strip component (4), the first arc-shaped water retaining strip (41), the position-limiting water retaining strip (40) and the second arc-shaped water retaining strip (42) are sequentially connected; and a position-limiting groove (401) is provided on the water-facing surface of the position-limiting water retaining strip (40); The length directions of the first arc-shaped water retaining strip (41), the position-limiting water retaining strip (40), the second arc-shaped water retaining strip (42) and the position-limiting groove (401) are consistent with the length direction of the water retaining strip component (4).

3. The anti-permeation sealing assembly for connecting the prefabricated aqueduct body according to claim 2, characterized in that: The water-facing sealing strip component (5) comprises a limit strip (50), a first sealing strip (51) and a second sealing strip (52); in the width direction of the water-facing sealing strip component (5), the limit strip (50), the first sealing strip (51) and the second sealing strip (52) are connected in sequence; The limiting strip (50) is located in the limiting groove (401), the first sealing strip (51) is provided on the water-facing surface of the first arc-shaped water retaining strip (41), and the second sealing strip (52) is provided on the water-facing surface of the second arc-shaped water retaining strip (42).

4. The anti-permeation sealing assembly for connecting the prefabricated aqueduct body according to claim 3, characterized in that: The pressure strip assembly (6) comprises a first pressure plate (61), a first bolt (611), a second pressure plate (62) and a second bolt (621); the first pressure plate (61) is arranged on the water-facing surface of the first sealing strip (51); the first bolt (611) passes through the first pressure plate (61), the first sealing strip (51) and the first arc-shaped water retaining strip (41) in sequence and is then installed on the aqueduct (1); The second pressing plate (62) is arranged on the water-facing surface of the second sealing strip (52), and the second bolt (621) is installed on the aqueduct (1) after passing through the second pressing plate (62), the second sealing strip (52) and the second arc-shaped water retaining strip (42) in sequence.

5. The anti-permeation sealing assembly for connecting the prefabricated aqueduct body according to claim 4, characterized in that: The back water sealing layer (2) comprises a first two-component flow-gathering sealing paste layer (21), wherein the first two-component flow-gathering sealing paste layer (21) is arranged on the back water surface of the position-limiting water retaining strip (40).

6. The anti-permeation sealing assembly for connecting the prefabricated aqueduct body according to claim 5, characterized in that: The back-water sealing layer (2) further comprises a closed-cell foam board (22), wherein the closed-cell foam board (22) is arranged on the back-water surface of the first two-component flow-gathering sealing paste layer (21).

7. The anti-permeation sealing assembly for connecting the prefabricated aqueduct body according to claim 6, characterized in that: The water-facing sealing layer (3) comprises an asphalt hemp layer (31), and the asphalt hemp layer (31) is arranged on the water-facing surface of the position-limiting water retaining strip (40).

8. The anti-permeation sealing assembly for connecting the prefabricated aqueduct body according to claim 7, characterized in that: The water-facing sealing layer (3) further comprises a second two-component flow-gathering sealing paste layer (32), wherein the second two-component flow-gathering sealing paste layer (32) is arranged on the water-facing surface of the asphalt hemp layer (31).

9. The anti-permeation sealing assembly for connecting the prefabricated aqueduct body according to claim 8, characterized in that: The water-facing sealing layer (3) further comprises a first mortar layer (301) and a second mortar layer (302), wherein the first mortar layer (301) is arranged on the water-facing surface of the first pressing plate (61), and the second mortar layer (302) is arranged on the water-facing surface of the second pressing plate (62); The asphalt hemp layer (31) and the second two-component flow-concentrating sealant layer (32) are both located between the first mortar layer (301) and the second mortar layer (302).

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