CN219825120U - Seepage-proofing reinforcing structure for aqueduct shell groove - Google Patents

Abstract

The utility model belongs to the technical field of hydraulic engineering, and particularly provides an anti-seepage reinforcing structure for a aqueduct shell groove, which comprises a steel aqueduct arranged between two adjacent groove bodies, wherein the steel aqueduct comprises a support frame, and steel pipes are welded on the support frame; the two ends of the steel pipe are provided with extension parts which are inserted into the adjacent groove bodies; the end plate is detachably clamped on the steel pipe and is positioned and abutted against the end face of the end of the groove body to form a plugging structure; the end plate is connected with the end face of the tank body in a sealing way to form a third impermeable layer; a pouring area is formed between the pipe orifice of the steel pipe and the end plate, impervious concrete is poured, a concrete layer is formed, and the second impervious layer is formed; the end face of the concrete layer is sprayed with a polyurea coating to form a first impermeable layer. The steel-structured aqueduct is used for maintaining the old aqueduct, the steel pipe of the steel-structured aqueduct is in sealing connection with the original aqueduct body to form a combined form of the steel-structured aqueduct and the concrete aqueduct body, and three anti-seepage layers are arranged between the steel pipe and the aqueduct body, so that the steel-structured aqueduct is simple in construction and good in anti-seepage effect.

Description

Seepage-proofing reinforcing structure for aqueduct shell groove

Technical Field

The utility model belongs to the technical field of hydraulic engineering, and particularly relates to an anti-seepage reinforcing structure for a aqueduct shell groove.

Background

The aqueduct is an overhead water delivery building for conveying channel water flow to cross the barriers such as rivers, channels, roads, valleys and the like, and is one of the most widely applied cross building in the hydraulic building in the irrigation area. The aqueduct consists of shell and groove (body), supporting structure, foundation and entrance and exit building. A common aqueduct has a beam-type aqueduct, with the shell of the beam-type aqueduct being placed on a bent, as shown in fig. 1-2. In some rural areas or urban areas of China, a large number of precast concrete beam type aqueducts constructed in the last century are still applied to the aspects of farmland irrigation, water drainage and the like, some aqueducts cross roads, in recent years, the road surface is continuously heightened and paved, the clearance between the shell groove and the road surface is reduced, and some ultrahigh vehicles are easy to collide with the shell groove, so that the aqueducts are damaged, and the problem of dismantling and repairing is subsequently faced. At present, with the development of technology, the application of the steel structure aqueduct is more and more widespread, for example, the truss type steel aqueduct with the corrugated web disclosed in the patent with the application publication number of CN 112049078A and the consequent type corrugated steel aqueduct disclosed in the patent with the issued publication number of CN 214061223U have the advantages of light weight, convenient construction and short construction period, aiming at the maintenance of the old aqueduct crossing roads, the steel structure aqueduct becomes a better choice according to the advantages of the steel structure aqueduct, but the anti-seepage connection between the steel structure aqueduct and the original aqueduct body is a technical problem, and the construction and construction method of the steel-concrete composite structure aqueduct are disclosed in the patent with the application publication number of CN 110725282A in the prior art.

Disclosure of Invention

In order to solve the problems in the prior art, the anti-seepage reinforcing structure for the aqueduct shell groove is provided.

The technical scheme adopted for solving the technical problems is as follows:

the technical scheme provides an anti-seepage reinforcing structure for a aqueduct shell groove, which comprises a steel aqueduct arranged between two adjacent groove bodies, wherein the steel aqueduct comprises a support frame, steel pipes are welded on the support frame, and the support frame is pressed and held on a bent post; the two ends of the steel pipe are provided with extension parts, and the extension parts are inserted into adjacent groove bodies; the end plate is detachably clamped on the steel pipe and is positioned and abutted against the end face of the end of the groove body to form a plugging structure; the end plate is in sealing connection with the end face of the tank body to form a third impermeable layer; a pouring area is formed between the pipe orifice of the steel pipe and the end plate, impervious concrete is poured, and a concrete layer is formed, wherein the concrete layer is a second impervious layer; the end face of the concrete layer is sprayed with a polyurea coating to form a first impermeable layer.

Preferably, the end plates are formed by involution of two groups of half end plates, and a through hole for a steel pipe to pass through is formed in the center of each end plate; two groups of fixing pieces which are arranged up and down are welded on one side of the end plate, each group of fixing pieces is provided with two sleeves, the two sleeves are respectively welded with the two groups of semi-end plates correspondingly, fastening bolts are arranged between the sleeves in a penetrating way, and the end plate is fixed on the steel pipe; the other side of the end plate is adhered with a rubber water stop, and the cross section of the rubber water stop is of a U-shaped structure matched with the cross section of the groove body.

Preferably, the side edge of the semi-end plate is provided with a sealing strip.

Preferably, the end face of the tank body is adhered with a geomembrane, and the other face of the geomembrane is adhered with the rubber water stop belt.

Preferably, the support frame comprises a bottom bracket and two groups of side wall baffles welded above the bottom bracket; the bottom of the bottom bracket is connected with a supporting leg.

Preferably, the support frame is further provided with a plurality of groups of propping mechanisms for driving the end plates to move, each propping mechanism comprises a fixing nut welded on the support frame, and the fixing nuts are in threaded connection with a screw rod for propping the end plates.

Compared with the prior art, the utility model has the following advantages:

1. in the utility model, a steel aqueduct is adopted for maintaining an old aqueduct, the steel aqueduct is formed by welding a support frame and a steel pipe, the steel pipe and a tank body are in sealing connection to form a combined form of the steel aqueduct and a concrete aqueduct, three impermeable layers are arranged between the steel pipe and the tank body, wherein an end plate and the end face of the tank body are in sealing connection to form a third impermeable layer; a pouring area is formed between the pipe orifice of the steel pipe and the end plate, impervious concrete is poured, and a concrete layer is formed, wherein the concrete layer is a second impervious layer; the end face of the concrete layer is sprayed with a polyurea coating to form a first impermeable layer; the three impermeable layers are matched layer by layer, so that the impermeable effect is effectively ensured.

2. The end plates are of two groups of involutory semi-end plate structures, so that the disassembly and the assembly are convenient, and the two groups of semi-end plates with sealing strips are clamped on the steel pipe, so that the end plates and the steel pipe can be connected in a sealing way; the end plate is propped against the end face of the tank body, and a geomembrane and a rubber water stop belt are arranged between the end plate and the end face of the tank body to form a third impermeable layer; in addition, the end plate can also play a role of a template in the subsequent construction process, thereby being beneficial to the construction of pouring concrete; in addition, through setting up the rubber waterstop, can provide flexible volume, it not only satisfies the requirement of deformation but also satisfies the prevention of seepage requirement.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

fig. 1 is a front view of a concrete aqueduct structure of the prior art.

Fig. 2 is a side view of the concrete aqueduct structure of fig. 1.

Fig. 3 is a front view of the steel structured aqueduct structure of the present utility model.

Fig. 4 is a top view of the connection of the bottom bracket of the steel aqueduct of fig. 3 to a steel pipe.

Fig. 5 is a left side view of the end plate of the present utility model.

Fig. 6 is a right side view of the end plate of the present utility model.

Fig. 7 is a schematic view of the structure of the tank body to be maintained in fig. 1 after being removed.

Fig. 8 is a schematic view of the structure of the steel-structured aqueduct after installation.

Fig. 9 is an enlarged partial schematic view of the mating relationship between the lower end plate and the steel-structured aqueduct in the front view direction.

Fig. 10 is an enlarged schematic view of the structure of the region B in fig. 9.

Fig. 11 is a schematic view of a baffle plate mounted in a tank body.

Fig. 12 is an enlarged partial schematic view of the fit relationship between the steel structured aqueduct and the end plate and the baffle in the top view.

Fig. 13 is a schematic structural view of the cleaned end face of the tank body after the geomembrane is adhered.

FIG. 14 is a schematic view of the construction of the cast-in-place barrier concrete.

Fig. 15 is a schematic structural view of the end face of the concrete layer after being sprayed with a polyurea coating.

Fig. 16 is a schematic structural view of the enclosure support system.

Fig. 17 is a schematic view of the structure of the enclosure bracket system after being mounted to the tank body.

Reference numerals illustrate:

1-a rack column; 2-a groove body; 201 geomembrane; 3-supporting rods; 31-cross braces; 32-reinforcing ribs; 4-ejector rods; 5-stand columns; 6-diagonal bracing; 7-supporting legs; 8-a steel pipe; 9-fixing the nut; 10-screw rod; 11-locking nut; 12-end plates; 121-a semi-end plate; 122-through holes; 13-a rubber water stop; 14-a sleeve; 15-fastening bolts; 16-sealing strips; 17-baffle; 18-a first pair of tie rods; 19-a second pair of tie rods; 20-oppositely pulling a screw rod; 21-high strength nuts; 22-a boss; 23-pressing down the bolt; 24-channel steel; 25-supporting top frame; 26-a cross plate; 27-side pressure bolts; 28-flexible gaskets; 29-concrete layer; 30-polyurea coating.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

As shown in fig. 3-15, the embodiment provides an anti-seepage reinforcing structure for a aqueduct shell and a aqueduct, which comprises a steel aqueduct arranged between two adjacent aqueduct bodies 2, wherein the steel aqueduct comprises a support frame, a steel pipe 8 is welded on the support frame, and the support frame is pressed on a bent column 1 to play a role in supporting the steel pipe 8; the two ends of the steel pipe 8 are provided with extension parts which can be inserted into the adjacent groove bodies 2; the device also comprises an end plate 12 which is detachably clamped on the steel pipe 8, and the end plate 12 is positioned and abutted against the end face of the end of the groove body 2 to form a plugging structure; the end plate 12 is connected with the end face of the tank body 2 in a sealing way to form a third impermeable layer; a pouring area is formed between the pipe orifice of the steel pipe 8 and the end plate 12, impervious concrete is poured, a concrete layer 29 is formed, and the concrete layer 29 is a second impervious layer; the end face of the concrete layer 29 is sprayed with a polyurea coating 30 forming a first barrier layer.

The support frame includes the bottom support and welds in two sets of side wall fenders of bottom support top, and the bottom of bottom support is connected with landing leg 7, elaboration below:

the support frame comprises two groups of support rods 3, a plurality of cross braces 31 are connected between the two groups of support rods 3 to form a bottom support, and the bottom support is of a rectangular frame type structure; a plurality of upright posts 5 are welded above the support rods 3, ejector rods 4 are welded at the tops of the upright posts 5, and the upright posts 5 and the ejector rods 4 form side wall barriers; the bottom bracket and the side wall baffle together form the supporting frame; in the embodiment, the supporting rod 3, the upright post 5 and the ejector rod 4 can all adopt square tubes, so that the whole weight is reduced.

An accommodating space is formed between the two groups of side baffles, a steel pipe 8 is arranged in the accommodating space, and the steel pipe 8 is used for connecting the groove bodies 2 at two sides and conveying water flow; the steel pipe 8 is welded and fixed above the bottom bracket, and two ends of the steel pipe 8 penetrate through the accommodating space to form the extending part for being lapped with the tank body 2; the bottom welding of bottom support has landing leg 7 for raise the bottom support, and then landing leg 7 can raise steel pipe 8, just so make the headroom increase between bottom support and the road surface, improve limit for high standard, do benefit to the smooth passing of partial superelevation vehicle, reduce the possibility of follow-up incident emergence.

In order to improve the overall strength, a plurality of reinforcing ribs 32 are welded between the cross braces 31; a plurality of diagonal braces 6 are welded between the upright posts 5.

In this embodiment, as an alternative structural form: the end plate 12 is formed by the involution of two groups of half end plates 12, and a through hole for the steel pipe 8 to pass through is formed in the center of the end plate 12; two groups of fixing pieces which are arranged up and down are welded on one side of the end plate 12, each group of fixing pieces is provided with two sleeves, the two sleeves are respectively welded with the two groups of half end plates 12 correspondingly, fastening bolts are arranged between the sleeves in a penetrating way, and the end plate 12 is fixed on the steel pipe 8; the other side of the end plate 12 is adhered with a rubber water stop 13, and the cross section of the rubber water stop 13 is of a U-shaped structure matched with the cross section of the tank body 2; the side edges of the half end plates 12 are provided with sealing strips for realizing the sealing connection between the end plates 12 and the steel pipes 8.

Because the length of the base material is changed due to the expansion and contraction of the groove body 2 in four seasons, the expansion and contraction amount can be provided by arranging the rubber water stop 13, and the deformation requirement and the seepage prevention requirement are met.

The geomembrane 201 is adhered to the end face of the tank body 2, the other face of the geomembrane 201 is adhered to the rubber water stop 13, and a relatively flat base surface can be provided by adhering the geomembrane 201, so that sealing connection between the geomembrane 201 and the rubber water stop 13 is facilitated. Of course, the rubber water stop 13 may be directly bonded to the end surface of the housing 2 by an adhesive.

The above-described design of the end plate 12 may bring about the following advantages:

the extension part of the steel pipe 8 is provided with the end plate 12 in a matched manner, the end plate 12 adopts two groups of matched half end plates 12, the disassembly and the assembly are convenient, and the end plate 12 and the steel pipe 8 can be connected in a sealing manner by clamping the two groups of half end plates 12 with sealing strips on the steel pipe 8; the end plate 12 is propped against the end face of the tank body 2, and a geomembrane 201 and a rubber water stop 13 are arranged between the end plate 12 and the end face of the tank body 2 to form a third impermeable layer; in addition, the end plate 12 can also play a role of a template in the subsequent construction process, and the template cannot be additionally supported, so that the construction of pouring concrete is facilitated.

The support frame is also provided with a plurality of groups of propping mechanisms for driving the end plates 12 to move, each propping mechanism comprises a fixing nut 9 welded on the support frame, and the fixing nuts 9 are in threaded connection with a screw rod 10 for propping the end plates 12. When the screw 10 is rotated, the screw 10 can drive the end plate 12 to move, thereby tightly pressing the end plate 12 against the end face of the tank body 2. In the embodiment, the jacking mechanisms on each side are respectively provided with four groups, and the upper groups and the lower groups form four-point jacking, so that the device has the advantage of uniform stress.

As another possible embodiment, the screw 10 may be further screwed with a locking nut 11, and when the screw 10 is screwed, the locking nut 11 is screwed to play a role of preventing loosening, so as to ensure the propping effect.

As can be seen from the above description:

firstly, in the utility model, a steel aqueduct is used for maintaining an old aqueduct, the steel aqueduct is formed by welding a support frame and a steel pipe 8, the steel pipe 8 and a tank body 2 are in sealing connection to form a steel aqueduct-concrete aqueduct combined form, three impermeable layers are arranged between the steel pipe 8 and the tank body 2, wherein an end plate 12 is in sealing connection with the end face of the tank body 2 to form a third impermeable layer; a pouring area is formed between the pipe orifice of the steel pipe 8 and the end plate 12, impervious concrete is poured, a concrete layer 29 is formed, and the concrete layer 29 is a second impervious layer; the end face of the concrete layer 29 is sprayed with a polyurea coating 30 to form a first impermeable layer; the three impermeable layers are matched layer by layer, so that the impermeable effect is effectively ensured.

Secondly, the end plate 12 adopts two groups of involutory half end plate 12 structures, so that the disassembly and the assembly are convenient, and the end plate 12 and the steel pipe 8 can be in sealed connection by clamping the two groups of half end plates 12 with sealing strips on the steel pipe 8; the end plate 12 is propped against the end face of the tank body 2, and a geomembrane 201 and a rubber water stop 13 are arranged between the end plate 12 and the end face of the tank body 2 to form a third impermeable layer; in addition, the end plate 12 can also play a role of a template in the subsequent construction process, thereby being beneficial to the construction of pouring concrete; in addition, by providing the rubber water stop 13, the amount of expansion and contraction can be provided, which satisfies both the deformation requirement and the permeation prevention requirement.

The construction process comprises the following steps:

assuming that when the aqueduct crossing the road above the road surface is damaged, the aqueduct needs to be maintained and replaced, the steel aqueduct and the seepage-proofing reinforcing structure can be adopted for maintenance, and the method comprises the following steps:

s1, dismantling the corresponding section of groove body 2 above a road, and cleaning the top of the corresponding row frame column 1 to provide a flat base surface; meanwhile, the end faces of the existing groove body 2 corresponding to the two sides of the groove body 2 are cleaned.

S2, adhering the cleaned end face of the existing tank body 2 to a geomembrane 201, wherein the geomembrane 201 is of a U-shaped structure with the section of the tank body 2 being matched;

notice that: the concrete base surface of the tank body 2 needs to be flat and cleaned, and the concrete and the surface of the film are respectively glued and adhered. In order to improve the bonding strength with concrete, a 20% geomembrane 201 composite adhesive toluene solution is coated on the concrete surface, and after the composite adhesive toluene solution is dried, adhesive is coated for bonding. If the concrete base surface is wet or the concrete pouring time is short, the EF waterproof coating can be coated on the concrete surface to accelerate the construction progress, and then the adhesive is carried out after solidification.

S3, processing, welding and manufacturing the steel-structured aqueduct in a factory in advance according to the design size; transporting the steel-structured aqueduct to a construction site, hoisting, positioning the supporting legs 7 at the top of the bent frame column 1, and extending the extension parts of the steel pipes 8 into the existing groove bodies 2 at the two sides;

s4, installing end plates 12 on the extension parts of the steel pipes 8, and pre-fixing the half end plates 12 through fastening bolts; screwing the screw 10, propping the end plate 12 to the end face of the tank body 2, tightly attaching the end plate 12 to the end face of the tank body 2, and tightly pressing the rubber water stop 13 on the geomembrane 201 to form an anti-seepage sealing layer; and then tightening the fastening bolt, and secondarily fixing the top, so as to realize tight connection between the end plate 12 and the steel pipe 8.

Note that: when the end plate 12 is pre-fixed, it is not fixed too tightly so that the end plate 12 cannot move along the length of the steel pipe 8.

S5, supporting a baffle 17 in the existing tank body 2, so that one side of the baffle 17 is propped against the end part of the steel pipe 8; a casting area is formed between the baffle 17 and the end plate 12.

S6, pouring impervious concrete in the pouring area to form a concrete layer 29, wherein the concrete layer 29 wraps the extension part of the steel pipe 8; the formed concrete layer 29 may serve as a second barrier layer.

S7, after the concrete pouring and curing are finished, the baffle 17 is disassembled;

and S8, spraying polyurea on the end face of the formed concrete layer 29 and the inner wall of the tank body 2 (the gap formed by the contact of the concrete layer 29 and the interior of the tank body 2 is sprayed), forming a polyurea coating 30, and forming a first impermeable layer by the polyurea coating 30.

The polyurea is formed by spraying semi-prepolymer, amino-terminated polyether, amine chain extender and other raw materials on site. The water-based paint has extremely strong hydrophobicity, is insensitive to environmental humidity, can be sprayed on water (or ice) to form a film, can be normally constructed under extremely severe environmental conditions, and has extremely outstanding performance. The appearance of polyurea breaks through the traditional corrosion prevention and protection concept completely, and establishes a higher standard for the material protection industry. The polyurea coating 30 is flexible, rigid, color-rich, dense, continuous, seamless, and completely isolated from the penetration of moisture and oxygen in the air, and has incomparable corrosion protection and protection properties. It has the functions of wear resistance, water resistance, impact resistance, fatigue resistance, aging resistance, high temperature resistance, nuclear radiation resistance, etc.

In the embodiment, a pouring area is formed between the end plate 12 and the port of the steel pipe 8, impervious concrete is poured in the pouring area, and a concrete layer 29 is formed, so that the impervious effect can be further improved as a second impervious layer; the polyurea coating 30 is sprayed on the end surface of the concrete layer 29 to form a first impermeable layer, and three impermeable layers are formed overall, so that the impermeable effect can be greatly improved.

What needs to be further explained is:

the method for supporting the baffle 17 in S5 is as follows: the baffle 17 is supported by a support system, wherein, referring to fig. 16-17, the support system comprises a first pair of pull rods 18 positioned at the bottom of the tank body 2 and a second pair of pull rods 19 positioned at the top of the tank body 2, the first pair of pull rods 18 and the second pair of pull rods 19 are fixedly connected through a pair of wire drawing rods 20, and threaded sections are arranged at two ends of the wire drawing rods 20 and used for connecting high-strength nuts 21; the top of the second pair of pull rods 19 is in threaded connection with a pressing bolt 23, specifically, the middle position of the second pair of pull rods 19 bulges upwards to form a protruding part 22, and the pressing bolt 23 is in threaded connection with the protruding part 22; the bottom end of the pressing bolt 23 is rotatably connected with a channel steel 24, the pressing bolt 23 and the channel steel 24 can rotate relatively, the cross section of the channel steel 24 is of an inverted U-shaped structure, the channel width of the channel steel 24 is larger than the thickness of the baffle 17, the channel steel 24 is used for being pressed and clamped at the top of the baffle 17, and the baffle 17 can move left and right relatively in a groove of the channel steel 24; and a supporting frame 25 is welded on one side of the second pair of pull rods 19, the supporting frame 25 is of a U-shaped structure, a transverse plate is welded on the supporting frame 25, 5 groups of side pressure bolts 27 are connected to the transverse plate and the supporting frame 25 in a threaded manner, and the side pressure bolts 27 form a five-point supporting system and are used for enabling the baffle 17 to be propped against the end part of the steel pipe 8.

In order to ensure that the baffle 17 has good sealing with the mouth of the steel pipe 8 during pouring, and concrete slurry is prevented from flowing into the steel pipe 8; a flexible gasket 28 is arranged between the pipe orifices of the steel pipes 8 of the baffle 17, so that a good sealing effect can be achieved.

The concrete use method of the enclosure support system comprises the following steps:

s51: selecting a proper position, installing a first pair of pull rods 18 at the bottom of the tank body 2 and installing a second pair of pull rods 19 at the top of the tank body 2, wherein the first pair of pull rods 18 and the second pair of pull rods 19 are fixedly connected through a pair of wire drawing rods 20, so that the first pair of pull rods 18 and the second pair of pull rods 19 are fixedly connected with the tank body 2;

s52: inserting a baffle 17 into the tank body 2, and adjusting the baffle 17 to a proper position;

s53: screwing the side pressure bolt 27 to press the baffle 17 against the end of the steel pipe 8;

s54: the pressing bolt 23 is screwed down so that the baffle 17 is pressed against the bottom inner wall of the tank body 2.

The steel-structured aqueduct is adopted for maintenance and reinforcement, a concrete structure is not adopted any more, the steel-structured aqueduct is provided with the steel pipe 8, and the steel pipe 8 and the groove body 2 are connected to form a combined form of the steel pipe 8 and the concrete groove body 2; the hoisting construction speed is high, a full framing is not required to be supported, and the influence on the traffic of the existing line is small; thirdly, the steel structure aqueduct is light in weight relative to the concrete tank body 2, the supporting legs 7 are arranged at the bottom of the steel structure aqueduct, and the supporting legs 7 can lift the steel pipe 8, so that the clearance between the bottom support and the road surface is increased, the height limiting standard is improved, smooth passing of the ultrahigh vehicle is facilitated, and the possibility of subsequent safety accidents is reduced; fourthly, three impermeable layers are adopted between the steel aqueduct and the existing groove body 2, so that the impermeable effect is good, and the steel aqueduct meets the deformation requirement and the impermeable requirement.

It should be noted that the construction process is also applicable to maintenance and replacement between any two adjacent aqueducts, and is not limited to maintenance of the aqueduct above the roadbed.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims (6)

1. The anti-seepage reinforcing structure of the aqueduct shell groove is characterized by comprising steel aqueducts arranged between two adjacent groove bodies, wherein each steel aqueduct comprises a support frame, steel pipes are welded on the support frames, and the support frames are pressed and held on bent posts; the two ends of the steel pipe are provided with extension parts, and the extension parts are inserted into adjacent groove bodies; the end plate is detachably clamped on the steel pipe and is positioned and abutted against the end face of the end of the groove body to form a plugging structure; the end plate is in sealing connection with the end face of the tank body to form a third impermeable layer; a pouring area is formed between the pipe orifice of the steel pipe and the end plate, impervious concrete is poured, and a concrete layer is formed, wherein the concrete layer is a second impervious layer; the end face of the concrete layer is sprayed with a polyurea coating to form a first impermeable layer.

2. The anti-seepage reinforcing structure of the aqueduct shell groove according to claim 1, wherein the end plates are formed by involution of two groups of half end plates, and a through hole for a steel pipe to pass through is formed in the center of each end plate; two groups of fixing pieces which are arranged up and down are welded on one side of the end plate, each group of fixing pieces is provided with two sleeves, the two sleeves are respectively welded with the two groups of semi-end plates correspondingly, fastening bolts are arranged between the sleeves in a penetrating way, and the end plate is fixed on the steel pipe; the other side of the end plate is adhered with a rubber water stop, and the cross section of the rubber water stop is of a U-shaped structure matched with the cross section of the groove body.

3. The anti-seepage reinforcing structure of the aqueduct shell groove according to claim 2, wherein sealing strips are arranged on the side edges of the semi-end plates.

4. The anti-seepage reinforcing structure of the aqueduct shell groove according to claim 2, wherein the end face of the groove body is adhered with a geomembrane, and the other face of the geomembrane is adhered with the rubber water stop.

5. The aqueduct shell trough seepage-proofing reinforcing structure according to claim 2, wherein the supporting frame comprises a bottom bracket and two sets of side barriers welded above the bottom bracket; the bottom of the bottom bracket is connected with a supporting leg.

6. The anti-seepage reinforcing structure of the aqueduct shell groove according to claim 2, wherein the supporting frame is further provided with a plurality of groups of supporting mechanisms for driving the end plates to move, the supporting mechanisms comprise fixing nuts welded on the supporting frame, and the fixing nuts are in threaded connection with screws for supporting the end plates.