CN213740889U

CN213740889U - Prefabricated aqueduct of segment embedded

Info

Publication number: CN213740889U
Application number: CN202022096633.0U
Authority: CN
Inventors: 邱毅; 李丽欣; 刘振英; 许声鹏; 储斌斌
Original assignee: Guangdong Ysd Surveying & Designing Co ltd
Current assignee: Guangdong Ysd Surveying & Designing Co ltd
Priority date: 2020-09-22
Filing date: 2020-09-22
Publication date: 2021-07-20
Anticipated expiration: 2030-09-22

Abstract

The utility model discloses a prefabricated aqueduct of segment mosaic mainly comprises cell body, outer lug, inboard aqueduct piece and lower connecting block. The tank body comprises a first end face and a second end face, wherein a supporting platform is arranged on the first end face and the second end face, and the supporting platform is flush with the first end face and the second end face. The outer convex block comprises an outer side transition groove block and an upper connecting block, and the outer convex block is processed at a supporting platform of the first end face. The inner side aqueduct block and the lower connecting block are processed at the supporting platform of the second end surface and are in butt joint communication with the cell bodies at the two ends through the inner side aqueduct block and the outer side aqueduct block. An inner groove is formed between the lower connecting block and the inner side transition groove block. This prefabricated aqueduct of segment embedded is through setting up outer lug and inner groovy, with the cell body and the supporting bench gomphosis of each other at both ends as an organic whole, improved the overall stability of junction, not only solved the joint line not closely knit, the water delivery resistance is big and lead to the serious problem of infiltration, has solved aqueduct concrete surface again and has erodeed and influence durability and security problem.

Description

Prefabricated aqueduct of segment embedded

Technical Field

The utility model relates to a channel lining cutting field, in particular to prefabricated aqueduct of segment mosaic type.

Background

The aqueduct joint protection and seepage-proofing system is uneven in China and domestic, the section of the existing precast concrete aqueduct is of a U-shaped structure, and cement mortar joints are used for connecting a field irrigation channel in the field for convenience of building and protecting and installation due to the heavy weight of concrete. The prefabricated length is short, and the construction seam is many, and the joint pointing is not closely knit, and the quality is relatively poor, and the field work volume is big. After a winter freeze-thaw cycle, the joints are deformed, cracked, dropped and damaged, and after being used for several years, the aqueducts have serious water seepage, so that irrigation water is seriously wasted.

At the present stage, the aqueduct is generally made of concrete with the strength of C15 and is molded. The aqueduct prefabricated by the forming mode has low construction strength, rough surface, pitted surface of the honeycomb and incompact density. The surface of the aqueduct needs to be soaked by water for a long time, the water scouring force is large, the traditional concrete aqueduct is not suitable for a humid and low-temperature construction environment and a long-term water-soaking and high-speed water-scouring use environment, and the durability and the safety coefficient of the aqueduct can be threatened after the aqueduct is worn for a certain time.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prefabricated aqueduct of segment mosaic has solved the joint line and has not closely knit, the serious problem of infiltration.

The utility model adopts the technical proposal that: a segment-inlaid prefabricated aqueduct, comprising:

the tank body comprises a first end face and a second end face, wherein the first end face and the second end face are provided with support tables, and the support tables are flush with the first end face and the second end face;

the outer convex block comprises an outer side aqueduct block and an upper connecting block, the upper connecting block is arranged on the outer side of the outer side aqueduct block and integrated with the outer side aqueduct block, and the outer convex block is arranged at the supporting table of the first end face;

the inner side aqueduct block is arranged at the support table of the second end surface and is in butt joint communication with the cell bodies at the two ends through the inner side aqueduct block and the outer side aqueduct block; and

the lower connecting block is arranged on the outer side of the inner side transition groove block, an inner groove is formed between the lower connecting block and the inner side transition groove block, the outer convex block is embedded into the inner groove, and the lower connecting block and the upper connecting block are in butt joint communication with the supporting tables at two ends.

Has the advantages that: this prefabricated aqueduct of segment embedded is through setting up outer lug and inner groovy, with the cell body and the supporting bench gomphosis of each other at both ends as an organic whole, through inboard aqueduct piece, outer lug, the multilayer structure setting of lower connecting block, combine the supporting bench base with the cell body together to inlay the cooperation, improved the overall stability of junction, it is not only uncompacted to have solved the joint line, water delivery resistance is big and lead to the serious problem of infiltration, solved aqueduct concrete surface again and erodeed and influence durability and security problem.

Further, the outer edge of the upper connecting block is arranged to be in the shape of the upper part of the supporting table, and the outer edge of the lower connecting block is arranged to be in the shape of the lower part of the supporting table.

Further, the groove body is a semicircular groove, the inner side face of the outer side transition groove block is an arc face with the inner diameter larger than the inner diameter of the groove body, the inner side face of the inner side transition groove block is aligned with the inner side face of the groove body, and the inner side face of the lower connecting block is an arc face with the inner diameter matched with the outer diameter of the outer side transition groove block.

Furthermore, the top ends of two sides of the groove body are also provided with side beams.

Furthermore, a composite impermeable layer is arranged on the inner side surface of the groove body.

Further, the composite impermeable layer comprises a primer layer and a coating waterproof layer, and the coating waterproof layer is arranged on the surface of the primer layer.

Further, the primer layer includes a first coating layer disposed on a surface of the inner side of the groove body and a second coating layer disposed on a surface of the first coating layer, with a silica sand layer disposed between the first coating layer and the second coating layer.

Furthermore, the coating waterproof layer is made of organic polymer elastomer materials.

Furthermore, the surface of the coating waterproof layer is also provided with an elastic finish paint layer.

Drawings

The invention will be further described with reference to the following figures and examples:

fig. 1 is a schematic view of a first end face of a tank body according to an embodiment of the present invention;

fig. 2 is a schematic view of a second end face of the tank body according to the embodiment of the present invention;

fig. 3 is a schematic view of the connection of the tank body according to the embodiment of the present invention;

fig. 4 is a structural view of a composite impermeable layer of a tank body in an embodiment of the present invention.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1 to 4, an embodiment of the present invention provides a segment-embedded prefabricated aqueduct, which mainly comprises a tank body 1, an outer convex block 3, an inner aqueduct block 4 and a lower connecting block 5. This cell body 1 includes first terminal surface and second terminal surface, and this first terminal surface and second terminal surface are provided with brace table 2, and this brace table 2 flushes with first terminal surface, second terminal surface. The supporting platform 2 is used for supporting the joint of the two ends of the tank body 1. The outer convex block 3 comprises an outer side transition groove block 302 and an upper connecting block 301, the upper connecting block 301 is arranged on the outer side of the outer side transition groove block 302 and is integrally processed with the outer side transition groove block 302, the outer convex block 3 is processed at the supporting platform 2 of the first end surface, the upper connecting block 301 is processed on the outer side of part of the outer side transition groove block 302, namely the outer edge of the upper part of the outer convex block 3 is the contour of the upper connecting block 301, the lower part of the outer convex block is the contour of the outer side transition groove block 302, and the outer convex block 3 is formed by combining the outer side transition groove block 302 and the upper connecting block 301 into a whole. The inner side transition groove block 4 and the lower connecting block 5 are processed at the support table 2 on the second end surface and are in butt joint communication with the two end groove bodies 1 through the inner side transition groove block 4 and the outer side transition groove block 302. This lower connecting block 5 sets up in the outside of crossing groove piece 4 in the inboard, and forms the inner groovy between the groove piece 4 is crossed to the inboard, and this evagination piece 3 imbeds the inner groovy in, through connecting block 5 and last connecting block 301 butt joint intercommunication both ends brace table 2 down. This prefabricated aqueduct of segment embedded is through setting up outer lug 3 and inner groovy, with the cell body 1 and the 2 gomphosis of brace table at both ends as an organic whole mutually, through inboard aqueduct piece 4, outer lug 3, the multilayer structure setting of lower connecting block 5, combine 2 bases of brace table with cell body 1 together to inlay the cooperation, the overall stability of junction has been improved, it is not only uncompacted to have solved the joint line, the water delivery resistance is big and lead to the serious problem of infiltration, aqueduct concrete surface has been solved again and has been erodeed and influence durability and security problem.

Preferably, should go up connecting block 301 outer edge and set up to the upper portion fractal form that should prop up supporting bench 2, should go up connecting block 5 outer edge and set up to supporting bench 2 lower part shape, should go up connecting

block

301 and 5 butt joint backs from top to bottom down of connecting block, the supporting bench 2 that both ends separated unites two into one, the gomphosis is a supporting bench 2, should go up connecting block 301 and connecting block 5 down and set up to the shape that props up supporting bench 2, and is rational in infrastructure, has improved connection fastening nature and structural stability.

Preferably, this cell body 1 sets up to the half slot, and the medial surface of this outside aqueduct piece 302 sets up to the arc surface that the internal diameter is greater than the internal diameter of cell body 1, and the medial surface of this inside aqueduct piece 4 aligns with the medial surface of cell body 1, and the medial surface of this lower connecting block 5 sets up to the arc surface of internal diameter and the external diameter looks adaptation of outside aqueduct piece 302. Specifically, the tank body 1 is divided into an inner half portion and an outer half portion, the outer side transition groove block 302 can be regarded as the outer half portion of the first end surface extending outward in the extension direction L, the inner side transition groove block 4 can be regarded as the inner half portion of the second end surface extending outward in the extension direction L, and the inner side transition groove block 4 and the outer side transition groove block 302 are butted and combined to form the complete tank body 1. The connecting seam of the tank body 1 is arranged to be of a step type, the compactness of the connecting seam is improved, and the problem of water seepage of the connecting seam of the tank body 1 in a high-pressure environment is avoided. The notch cuttype joint connection of connecting block 301 and lower connecting block 5 on the cooperation outside for 1 dual connection of cell body improves closely knit degree and structural stability.

Preferably, the top ends of both sides of the tank body 1 are further provided with side beams. The pull rod is convenient to install on the top of the tank body 1, and the overall stability is improved.

Preferably, a composite impermeable layer is arranged on the inner side surface of the tank body 1. The effects of seepage prevention, corrosion prevention, frost damage prevention, impact resistance and wear resistance of the inner side surface of the tank body 1 are improved, and the durability and the safety coefficient of the aqueduct are improved.

Preferably, the composite impermeable layer comprises a primer layer and a coating waterproof layer 7, wherein the coating waterproof layer 7 is arranged on the surface of the primer layer.

Preferably, the primer layer comprises a first coating layer 9 and a second coating layer 8, wherein the first coating layer 9 is arranged on the surface of the inner side face of the tank body 1, the second coating layer 8 is arranged on the surface of the first coating layer 9, and a silica sand layer 10 is arranged between the first coating layer 9 and the second coating layer 8. The wear resistance, the shear resistance and the impact resistance of the tank body 1 are improved.

Preferably, the coating waterproof layer 7 is made of an organic polymer elastomer material. So that the tank body 1 has excellent waterproof performance and water yield utilization rate.

Preferably, the surface of the coating waterproof layer 7 is also provided with an elastic finish layer 6, so that the sealing performance and the impact resistance of the tank body 1 are improved.

Specifically, the first coating 9 is made of special epoxy primer HDD-207, the silica sand layer 10 is made of 20-mesh silica sand, the second coating 8 is made of concrete base surface general primer SP-7881, the coating waterproof layer 7 is made of hydraulic special polyurea SKJ-II, and the elastic topcoat layer 6 is made of elastic topcoat SPUA-ALIP.

The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. A segment-inlaid prefabricated aqueduct, comprising:

2. The segment mosaic precast aqueduct of claim 1, wherein: the outer edge of the upper connecting block is set to be in the shape of the upper part of the supporting platform, and the outer edge of the lower connecting block is set to be in the shape of the lower part of the supporting platform.

3. The segment mosaic precast aqueduct of claim 1, wherein: the cell body sets up to the half slot, the medial surface of outside crossing the groove piece sets up to the arc surface that the internal diameter is greater than the cell body internal diameter, the medial surface of inboard crossing the groove piece with the medial surface of cell body aligns, the medial surface of lower connecting block sets up to the arc surface of internal diameter and the external diameter looks adaptation of outside crossing the groove piece.

4. The segment mosaic precast aqueduct of claim 1, wherein: and side beams are further arranged at the top ends of the two sides of the groove body.

5. The segment mosaic precast aqueduct of claim 1, wherein: and a composite impermeable layer is arranged on the inner side surface of the groove body.

6. The segment mosaic precast aqueduct of claim 5, wherein: the composite impermeable layer comprises a primer layer and a coating waterproof layer, and the coating waterproof layer is arranged on the surface of the primer layer.

7. The segment mosaic precast aqueduct of claim 6, wherein: the primer layer comprises a first coating layer and a second coating layer, the first coating layer is arranged on the surface of the inner side of the groove body, the second coating layer is arranged on the surface of the first coating layer, and a silica sand layer is arranged between the first coating layer and the second coating layer.

8. The segment mosaic precast aqueduct of claim 6, wherein: the coating waterproof layer is made of organic polymer elastomer materials.

9. The segment mosaic precast aqueduct of claim 6, wherein: and an elastic finish paint layer is also arranged on the surface of the coating waterproof layer.