CN218712134U - Groove body unit and groove body structure of assembled aqueduct - Google Patents

Abstract

The utility model provides a groove body unit and a groove body structure of an assembled aqueduct, wherein the groove body unit comprises a left groove body and a right groove body, the left groove body and the right groove body respectively comprise a side plate, a first bottom plate and a second bottom plate, one end of the first bottom plate is fixedly connected with the bottom of the side plate, the bottom of the other end of the first bottom plate is fixedly connected with one end of the second bottom plate, and the top of the other end of the second bottom plate is provided with a chamfer angle structure; a first L-shaped notch is formed between the top surface of the second bottom plate and the side surface of the first bottom plate, and a connecting steel bar is arranged in the first L-shaped notch; the side surfaces of the two second bottom plates of the two tank bodies are mutually attached, the two chamfer structures of the two second bottom plates form a first filling groove together, and waterproof materials are filled in the first filling groove; two first L-shaped notches of the two groove bodies jointly form a second filling groove, structural steel bars are arranged in the second filling groove, and concrete is poured in the second filling groove. The utility model discloses can improve security, the total cost of construction that reduces in the aqueduct groove body work progress.

Description

Groove body unit and groove body structure of assembled aqueduct

Technical Field

The utility model relates to an assembly type structure technical field, in particular to groove body unit and groove body structure of assembled aqueduct.

Background

The aqueduct body has the characteristics of large span and large dead weight, the prior prefabricated aqueduct body generally adopts a full-section aqueduct body structure, the full-section aqueduct body structure has the defect of large quality of the aqueduct body, the quality of the aqueduct body can reach 150T-200T under the general condition, two 300T automobile cranes are needed to hoist in the hoisting process of a single aqueduct body, the safety risk is large in the hoisting process, the requirement on the bearing capacity of a foundation in a construction site is high in the hoisting process, and the construction cost is high.

In order to improve the safety of the installation process of the aqueduct body and reduce the total construction cost, the prior art needs to develop a body unit and a body structure of an assembled aqueduct to solve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a groove body unit and groove body structure of assembled aqueduct to improve the security in the aqueduct groove body construction installation, reduce the total cost of construction.

In order to realize the purpose, the utility model discloses the technical scheme who adopts is: a groove body unit of an assembled aqueduct comprises a left groove body and a right groove body, wherein the left groove body and the right groove body respectively comprise a side plate, a first bottom plate and a second bottom plate;

a first L-shaped notch is formed between the top surface of the second bottom plate and the side surface of the first bottom plate, connecting steel bars are arranged in the first L-shaped notch, and the connecting steel bars are anchored in the first bottom plate and/or the second bottom plate;

the left groove body and the right groove body are oppositely arranged, the side surface of a second bottom plate of the left groove body is attached to the side surface of a second bottom plate of the right groove body, the chamfer structures at the tops of the two second bottom plates form a first filling groove together, and waterproof materials are filled in the first filling groove;

the first L-shaped notch of the left groove body and the first L-shaped notch of the right groove body jointly form a second filling groove, structural steel bars are arranged in the second filling groove and fixedly connected with the connecting steel bars, and concrete is poured in the second filling groove.

The aqueduct body unit of the assembled aqueduct divides the aqueduct body into a left aqueduct body and a right aqueduct body which are prefabricated separately and then transported to a construction site for assembly construction, the single body of the left aqueduct body and the right aqueduct body has small weight, and the requirements on hoisting equipment and a construction site can be reduced; the bottom fixedly connected with second bottom plate of first bottom plate, form first L shape notch between the top surface of second bottom plate and the side of first bottom plate, the side of two second bottom plates of left and right cell body is laminated each other, two chamfer structures of two second bottom plates form first filling groove jointly, the intussuseption of first filling groove is filled with waterproof material, can guarantee the water-proof effects of left cell body and right cell body junction, can avoid setting up the template in left cell body and right cell body junction simultaneously, reducible construction process. Therefore, the groove body unit of the assembled aqueduct can improve the safety of the aqueduct body in the installation process and reduce the total construction cost of the aqueduct body.

Further, a walkway structure is arranged between the tops of the left tank body and the right tank body and comprises a support, a railing and a walkway plate; the top of the side plate of the left groove body and the top of the side plate of the right groove body are both provided with a plurality of first connecting holes at intervals along the length direction of the groove body, the top surface of the side plate is also provided with the support, one end of the support is provided with a plurality of vertically through second connecting holes at intervals along the length direction, and the other end of the support is provided with a tongue-and-groove downwards from the top end surface; the second connecting hole on the support is correspondingly communicated with the first connecting hole at the top of the side plate; the top of the side plate is provided with the handrail, the handrail comprises an upright post and a handrail, and the bottom end of the upright post passes through the second connecting hole and is arranged in the first connecting hole; filling materials are arranged in gaps between the first connecting hole and the second connecting hole; the walkway plate is arranged between the two grooves at the tops of the left groove body and the right groove body.

Further, the structural reinforcing bars include longitudinal reinforcing bars and ring reinforcing bars fixedly connected.

Furthermore, a groove is formed in the side face of the second bottom plate. Therefore, the bonding area between the concrete in the second filling groove and the first bottom plate can be increased, and the connection stability between the left groove body and the right groove body is improved.

Further, the concrete poured in the second filling groove is shrinkage-compensating concrete.

Further, the waterproof material is epoxy resin.

Based on the same invention concept, the utility model also provides a groove body structure of assembled aqueduct, it includes at least two the groove body unit, the junction between two adjacent groove body units is equipped with waterproof connection structure.

Furthermore, the waterproof connecting structure comprises an expansion joint arranged between the two groove body units, and a closed-cell foam board is arranged in the expansion joint;

the groove body units on two sides of the expansion joint are respectively provided with a second L-shaped notch from one side of the inner surface to one side of the outer surface, the two second L-shaped notches of the two groove body units form a third filling groove together, a water stop is paved on the bottom surface of the third filling groove, and the water stop is fixedly connected with the groove body units on two sides of the expansion joint through a connecting structure; and asphalt mortar is filled in the inner space of the third filling groove.

Further, the connecting structure comprises a screw and a nut; the screw rods are anchored in the corresponding groove body units, and the top ends of the screw rods are placed in the third filling grooves; the left side and the right side of the waterstop are both provided with connecting holes, and the top end of the screw rod penetrates through the corresponding connecting hole in the waterstop and is fixedly connected with the nut.

Furthermore, the bottom end of the screw rod is fixedly connected with an anchoring end. Therefore, the connection stability between the water stop and the tank body unit can be ensured, and the waterproof effect of the water stop is ensured.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a groove body unit falls into two left, right cell bodies with the groove body and prefabricates alone and then transports the job site and carry out the assembly construction, and the monomer weight of left and right cell body is little, reducible requirement to lifting device and construction site.

2. The bottom fixedly connected with second bottom plate of first bottom plate, form first L shape notch between the top surface of second bottom plate and the side of first bottom plate, the side of two second bottom plates of two left and right cell bodies is laminated each other, two chamfer structures of two second bottom plates form first filling groove jointly, the intussuseption of first filling groove is filled with waterproof material, can guarantee the water-proof effects of left cell body and right cell body junction, can avoid simultaneously setting up the template in left and right cell body junction, reducible construction process.

3. The support, the railing and the walkway plate of the walkway structure are all prefabricated components, so that the construction speed and the construction quality of the aqueduct structure can be improved.

Drawings

Fig. 1 is a schematic view of a fabricated aqueduct structure according to an embodiment of the present invention;

fig. 2 is a schematic view of a one-step fabricated aqueduct structure according to an embodiment of the present invention;

FIG. 3 is a top view of FIG. 2;

FIG. 4 is a front view of FIG. 2;

FIG. 5 is a side view of FIG. 2;

fig. 6 is a schematic view of an embodiment of the present invention in an unconnected state;

fig. 7 is a schematic view of a support structure according to an embodiment of the present invention in a connected state;

fig. 8 is a schematic view of a precast tubular pile according to an embodiment of the present invention;

FIG. 9 is a schematic view of a prefabricated platform according to an embodiment of the present invention;

fig. 10 is a schematic view of a prefabricated bent post according to an embodiment of the present invention;

fig. 11 is a perspective view (side view) of the connection between the precast tubular pile, the precast bent frame column and the precast pile cap according to an embodiment of the present invention;

fig. 12 is a perspective view (overhead view) of the connection between the precast tubular pile, the precast bent frame column and the precast pile cap according to an embodiment of the present invention;

fig. 13 is a schematic view of an anchoring bar according to an embodiment of the present invention;

fig. 14 is a schematic view of a tank body structure according to an embodiment of the present invention;

fig. 15 is a schematic structural view of a left tank body and a right tank body in an embodiment of the present invention;

fig. 16 is a schematic view of a structural reinforcement bar according to an embodiment of the present invention;

fig. 17 is a sectional view of the waterproof connecting structure along the length direction of the tank body according to an embodiment of the present invention;

fig. 18 is an enlarged view of a waterproof connecting structure according to an embodiment of the present invention.

In the figure:

1. prefabricating a tubular pile; 2. prefabricating a bearing platform; 21. a cushion cap body; 22. a bellows; 23. a first layer of reinforcing mesh; 24. a second layer of reinforcing mesh; 25. anchoring the reinforcing steel bars; 3. prefabricating bent frame columns; 31. a column; 32. a keyway; 33. a tie-beam; 34. a top support end; 4. a tank body unit; 41. a side plate; 410. a first L-shaped slot; 411. a first connection hole; 42. a first base plate; 43. a second base plate; 44. anchoring the reinforcing steel bars; 45. a water-resistant material; 46. structural steel reinforcement; 47. a support; 471. a second connection hole; 472. a tongue-and-groove; 48. a railing; 481. a column; 482. a handrail; 49. a walkway plate; 51. an expansion joint; 52. a water stop; 53. a connecting structure; 531. screw rods, 532, nuts; 533. an anchoring end; 534. a gasket; 54. and (3) asphalt mortar.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments. It should be noted that, in the case of no conflict, the embodiments and features of the embodiments of the present invention may be combined with each other. For convenience of description, the words "upper", "lower", "left" and "right" in the following description are used only to indicate the correspondence between the upper, lower, left and right directions of the drawings themselves, and do not limit the structure.

As shown in fig. 1 to 18, a fabricated aqueduct structure of the present embodiment includes a support structure and a tank body structure. The supporting structures are arranged at intervals along the length direction of the aqueduct.

As shown in fig. 1-13, the supporting structure comprises a precast tubular pile 1, a precast cap 2 and a precast bent column 3 which are arranged in sequence from top to bottom. The top of precast tubular pile 1 with the bottom fixed connection of precast cushion cap 2, the top fixed connection of precast cushion cap 2 prefabricated framed bent post.

The precast tubular pile 1 is a hollow tubular pile. The prefabricated bearing platform 2 comprises a bearing platform body 21, wherein vertically-through corrugated pipes 22 are embedded at the left side and the right side of the bearing platform body 21, and a first layer of reinforcing mesh 23 and a second layer of reinforcing mesh 24 are respectively arranged at the bottom and the middle of each corrugated pipe 22 in a penetrating manner. The prefabricated bent frame column comprises upright columns 31, key grooves 32, connecting beams 33 and top supporting ends 34, the connecting beams 33 are arranged between the two upright columns 31, the key grooves 32 are arranged at the bottoms of the upright columns 31, and the top supporting ends 34 are arranged at the top ends of the upright columns.

Precast tubular pile 1 anchor is in the underground, precast tubular pile 1's top be equipped with precast cushion cap 2, precast cushion cap 2 is arranged in on the cushion cap earth's surface holding surface, corresponding bellows 22 bottom space is arranged in on precast tubular pile 1's top. The top end face of the precast tubular pile extends into the bottom of the precast pile cap to a depth of 5-10 cm. Therefore, the prefabricated bearing platform can be conveniently positioned and installed, and meanwhile, the connection stability of the prefabricated pipe pile and the prefabricated bearing platform can be ensured.

And the second layer of reinforcing mesh 24 is fixedly connected with vertical anchoring reinforcing bars 25, and the bottom ends of the anchoring reinforcing bars 25 are arranged in the inner space of the precast tubular pile 1. The anchoring steel bars 25 are U-shaped steel bars, and the anchoring steel bars 25 are bound with the second layer of reinforcing mesh 24 or connected with the second layer of reinforcing mesh by welding; the anchoring reinforcing steel bar 25 is provided with a plurality of pieces. Therefore, the connection stability of the connection part of the precast tubular pile and the precast bearing platform can be improved.

The bottom end of a column 31 of the prefabricated bent frame column 3 is arranged in the top space of the corresponding corrugated pipe 22, a key groove 32 is formed in the side wall of the bottom of the column 31, and the key groove 32 is a quadrangular frustum pyramid shaped key groove. Concrete is poured into the inner spaces of the precast tubular pile 1 and the corrugated pipe 22.

As shown in fig. 1-5 and 14-16, the channel structure includes at least two channel units 4 along the length direction of the aqueduct, and the left and right ends of the channel unit 4 are placed on the top support ends 34 of the corresponding prefabricated bent columns 3. Cell body unit 4 includes left cell body and right cell body, left side cell body with right side cell body all includes curb plate 41, first bottom plate 42 and second bottom plate 43, the one end of first bottom plate 42 and the bottom fixed connection of curb plate 41, the bottom of the other end of first bottom plate 42 and the one end fixed connection of second bottom plate 43, and the top of the other end of second bottom plate 43 is equipped with the chamfer structure. A first L-shaped notch 40 is formed between the top surface of the second bottom plate 43 and the side surface of the first bottom plate 42, a connecting steel bar 44 is arranged in the first L-shaped notch 40, and the connecting steel bar 44 is anchored in the first bottom plate 42 and the second bottom plate 43.

The side surface of the second bottom plate 43 is provided with a groove 421. Therefore, the bonding area between the concrete in the second filling groove and the first bottom plate can be increased, and the connection stability between the left groove body and the right groove body is improved.

The left groove body and the right groove body are oppositely arranged, the side face of the left groove body second bottom plate 43 is attached to the side face of the right groove body second bottom plate 43, the chamfering structures at the tops of the two second bottom plates 43 jointly form a first filling groove, and the first filling groove is filled with a waterproof material 45. The first L-shaped notch 40 of left side cell body and the first L-shaped notch 40 of right cell body form the second filling groove jointly, be equipped with structural reinforcement 46 in the second filling groove, structural reinforcement 46 includes fixed continuous vertical reinforcing bar 461 and annular reinforcing bar 462, structural reinforcement 46 with connecting reinforcement 44 fixed connection, the concrete has been pour to the second filling inslot. And the concrete poured in the second filling groove is compensation shrinkage concrete.

As shown in fig. 14, a walkway structure is further provided between the top of the left and right tanks, and the walkway structure includes a support 47, a rail 48 and a walkway plate 49. The top of the side plate 41 of the left and right tank bodies is provided with a plurality of first connecting holes 411 at intervals along the length direction of the tank body, the top surface of the side plate 41 is also provided with the support 47, one end of the support 47 is provided with a plurality of vertically through second connecting holes 471 at intervals along the length direction, and the other end of the support 47 is provided with a rabbet 472 downwards from the top surface. The second connection hole 471 on the support 47 is correspondingly communicated with the first connection hole 411 on the top of the side plate 41; the balustrade 48 is disposed on the top of the side plate 41, the balustrade 48 includes a pillar 481 and a handrail 482, and the bottom end of the pillar 481 passes through the second connection hole 471 and is disposed in the first connection hole 411. A gap between the first connection hole 411 and the second connection hole 471 is filled with a filling material, and the filling material is concrete or grouting material. The walkway plate 49 is arranged between the two rabbets 472 at the tops of the left and right groove bodies.

As shown in fig. 1, 17-18, two adjacent channel body units 4 are fixedly connected by a waterproof connecting structure 5. The waterproof connecting structure 5 comprises an expansion joint 51 arranged between the two groove body units 4, and a closed-cell foam board is arranged in the expansion joint 51. The groove body units 4 at two sides of the expansion joint 51 are provided with second L-shaped notches from one side of the inner surface to one side of the outer surface, and the two second L-shaped notches of the two groove body units 4 form a third filling groove together. And a water stop belt 52 is laid on the bottom surface of the third filling groove, and the water stop belt 52 is fixedly connected with the groove body units 4 on two sides of the expansion joint 51 through connecting structures 53. The inner space of the third filling groove is filled with asphalt mortar 54.

As shown in fig. 17-18, the connecting structure 53 includes a threaded rod 531 and a nut 532. The screws 531 are anchored in the respective tank units 4, with their top ends placed in the third filling grooves. The left side and the right side of the water stop belt 52 are both provided with connecting holes, and the top end of the screw 531 penetrates through the corresponding connecting hole in the water stop belt 52 and is fixedly connected with the nut 532. The bottom end of the screw 531 is also fixedly connected with an anchoring end 533. A gasket 534 is also provided between the top surface of the water stop 52 and the bottom surface of the nut 532.

The construction steps of the fabricated aqueduct of the embodiment are as follows:

1. and (4) after the prefabricated pipe pile is produced and inspected to be qualified in a factory, transporting the prefabricated pipe pile to a construction site, and driving the prefabricated pipe pile into a specified position by using a pile driver.

2. And hoisting the prefabricated bearing platform to the upper part of the prefabricated pipe pile, and adjusting the coordinate and elevation of the prefabricated bearing platform.

3. And (4) installing anchoring reinforcing steel bars in the corrugated pipes reserved in the prefabricated bearing platform, wherein the bottom ends of the anchoring reinforcing steel bars are arranged in the middle of the prefabricated pipe pile.

4. And pouring concrete in the corrugated pipe of the prefabricated bearing platform until the distance between the concrete and the second layer of the steel bar net is about 25mm, and leveling.

5. And after curing for 3-5 days, hoisting the prefabricated bent frame columns into the corrugated pipes of the prefabricated bearing platform, adjusting the positions and the elevations of the prefabricated bent frame columns, fixing the bent frame columns by using steel wire ropes and temporary fixing facilities, pouring concrete into the corrugated pipes of the prefabricated bearing platform, and removing the temporary fixing facilities after the strength of the concrete meets the requirement.

6. The left and right groove bodies are prefabricated in a factory, and after the left and right groove bodies are inspected to be qualified, the left and right groove bodies are transported to a construction site to be hoisted to the bent frame column, and are temporarily fixed by adopting a steel supporting structure.

7. And filling epoxy resin in the first filling groove.

8. And binding the structural steel bars in the second filling groove.

9. And pouring and curing concrete in the second filling groove.

10. The construction of the support is carried out by adopting a hoisting mode, and the support is temporarily fixed by adopting a steel supporting structure.

11. And constructing the walkway plate by adopting a hoisting mode.

12. And constructing the railing upright post by adopting a hoisting mode, and pouring concrete in the first connecting hole and the second connecting hole.

13. And constructing the handrail.

14. And (4) repeating the steps 1 to 13 to carry out the construction of the next spanning groove, and carrying out the construction of a waterproof connecting structure between the two groove body units.

15. And (5) repeating the step 14 to complete the assembly type construction of the residual span of the aqueduct.

The lower supporting structure of the assembled aqueduct is formed by assembling and connecting the precast tubular piles, the precast bearing platforms and the precast bent frame columns, the precast tubular piles, the precast bearing platforms and the precast bent frame columns are all precast in a factory in advance, only a small amount of steel bar binding and concrete pouring compaction are needed to be carried out on the connecting parts of the precast tubular piles, the precast bent frame columns and the precast bearing platforms in the field assembling process, the rapid construction and construction of the precast tubular piles, the precast bent frame columns and the precast bearing platforms can be improved, the field wet operation in the construction process is reduced, and the construction period is shortened.

The groove body structure of the assembled aqueduct is formed by assembling and connecting a plurality of groove body units, the groove body units divide the groove body into two half groove bodies to be prefabricated independently and then transported to a construction site for assembly construction, the weight of the single body of the half groove body is small, and the requirements on hoisting equipment and a construction site can be reduced; the bottom of the first bottom plate is fixedly connected with a second bottom plate, a first L-shaped notch is formed between the top surface of the second bottom plate and the side surface of the first bottom plate, the side surfaces of the two second bottom plates of the left and right groove bodies are mutually attached, two chamfer structures of the two second bottom plates form a first filling groove together, and a waterproof material is filled in the first filling groove, so that the waterproof effect of the joint of the left groove body and the right groove body can be ensured, and meanwhile, a template can be prevented from being erected at the joint of the left and right groove bodies, and the construction process can be reduced; the support, the railing upright post and the walkway plate of the walkway structure are all prefabricated components, so that the construction speed and the construction quality can be improved.

In order to realize the rapid construction of the aqueduct, the support structure and the aqueduct body structure are formed by assembling and connecting prefabricated components, the construction speed and the quality of the aqueduct are improved, the assembled components of the aqueduct can be produced and installed in a standardized manner, the assembly construction efficiency of the aqueduct is high, the assembled components of the aqueduct can be designed in a modularized manner and prefabricated and assembled, the streamlined operation degree is high, the prefabricated components are manufactured and finished in a factory, the stacking of a large amount of materials on a construction site can be avoided, and the template materials and the construction site on the construction site are saved. Meanwhile, the aqueduct assembling construction process can reduce the pollution of site construction to the environment and reduce the construction noise, and has the characteristic of environmental friendliness.

The above-mentioned embodiments are to be construed as illustrative and not limitative of the remainder of the disclosure, and it is to be understood that various equivalent modifications can be made without departing from the spirit and scope of the disclosure as set forth in the appended claims.

Claims (10)

1. The tank body unit of the assembled aqueduct is characterized by comprising a left tank body and a right tank body, wherein the left tank body and the right tank body respectively comprise a side plate (41), a first bottom plate (42) and a second bottom plate (43), one end of the first bottom plate (42) is fixedly connected with the bottom of the side plate (41), the bottom of the other end of the first bottom plate (42) is fixedly connected with one end of the second bottom plate (43), and the top of the other end of the second bottom plate (43) is provided with a chamfer structure;

a first L-shaped notch is formed between the top surface of the second bottom plate (43) and the side surface of the first bottom plate (42), a connecting steel bar (44) is arranged in the first L-shaped notch, and the connecting steel bar (44) is anchored in the first bottom plate (42) and/or the second bottom plate (43);

the left groove body and the right groove body are oppositely arranged, the side surface of a second bottom plate (43) of the left groove body is attached to the side surface of a second bottom plate (43) of the right groove body, and chamfer structures at the tops of the two second bottom plates (43) form a first filling groove which is filled with waterproof materials (45);

the first L-shaped notch of the left groove body and the first L-shaped notch of the right groove body jointly form a second filling groove, structural steel bars (46) are arranged in the second filling groove, the structural steel bars (46) are fixedly connected with the connecting steel bars (44), and the second filling groove is internally used for pouring concrete.

2. The trough body unit of an assembled aqueduct according to claim 1, wherein a walkway structure is further provided between the top of the left trough body and the top of the right trough body, the walkway structure comprises a support (47), a railing (48) and a walkway plate (49); the top parts of the side plates (41) of the left tank body and the right tank body are respectively provided with a plurality of first connecting holes (411) at intervals along the length direction of the tank body, the top surface of the side plate (41) is also provided with the support (47), one end of the support (47) is provided with a plurality of vertically through second connecting holes (471) at intervals along the length direction, and the other end of the support is provided with a rabbet (472) downwards from the top end surface; the second connecting hole (471) on the support (47) is correspondingly communicated with the first connecting hole (411) on the top of the side plate (41); the top of the side plate (41) is provided with the handrail (48), the handrail (48) comprises a stand column (481) and a handrail (482), and the bottom end of the stand column (481) passes through the second connecting hole (471) and is arranged in the first connecting hole (411); a filling material is arranged in a gap between the first connecting hole (411) and the second connecting hole (471); the walkway plate (49) is arranged between the two tongue-and-groove joints (472) at the tops of the left and right groove bodies.

3. A trunk unit of a fabricated aqueduct according to claim 1, wherein the structural reinforcement (46) comprises fixedly connected longitudinal reinforcement (461) and annular reinforcement (462).

4. The tank body unit of a fabricated aqueduct according to claim 1, characterized in that the side of the second bottom plate (43) is provided with a groove (421).

5. The channel unit of a fabricated aqueduct according to any one of claims 1 to 4, wherein the concrete poured in the second filling channel is shrinkage-compensating concrete.

6. The channel unit of a fabricated aqueduct according to any one of claims 1 to 4, characterised in that the waterproof material (45) is epoxy resin.

7. A structure of a body of a fabricated aqueduct, characterized in that it comprises at least two body units (4) according to any one of claims 1 to 6, the connection between two adjacent body units (4) being provided with a waterproof connection structure (5).

8. The trough body structure of an assembled aqueduct according to claim 7, wherein the waterproof connecting structure (5) comprises an expansion joint (51) arranged between two trough body units (4), a closed-cell foam board is arranged in the expansion joint (51);

the groove body units (4) on two sides of the expansion joint (51) are respectively provided with a second L-shaped notch from the inner surface side to the outer surface side, a third filling groove is formed between the two second L-shaped notches of the two groove body units (4), a water stop belt (52) is paved on the bottom surface of the third filling groove, and the water stop belt (52) is fixedly connected with the groove body units (4) on two sides of the expansion joint (51) through a connecting structure (53); the inner space of the third filling groove is filled with asphalt mortar (54).

9. The channel structure of a fabricated aqueduct according to claim 8, wherein the connecting structure (53) comprises a threaded rod (531) and a nut (532);

the screw rods (531) are anchored in the corresponding tank body units (4), and the top ends of the screw rods are placed in the third filling grooves; the left side and the right side of the water stop belt (52) are both provided with connecting holes, and the top end of the screw rod (531) penetrates through the corresponding connecting hole in the water stop belt (52) and is fixedly connected with the nut (532).

10. The tank body structure of a fabricated aqueduct according to claim 9, wherein the bottom end of the screw (531) is further fixedly connected with an anchoring end (533).

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