CN215210628U

CN215210628U - Assembled concrete culvert

Info

Publication number: CN215210628U
Application number: CN202121384602.3U
Authority: CN
Inventors: 郭相武
Original assignee: Guangxi Polytechnic of Construction
Current assignee: Guangxi Polytechnic of Construction
Priority date: 2021-06-22
Filing date: 2021-06-22
Publication date: 2021-12-17
Anticipated expiration: 2031-06-22

Abstract

The utility model discloses an assembled concrete culvert, which relates to the technical field of culvert construction, the assembled concrete culvert of the utility model adopts a first precast block, a connecting precast block, a second precast block and a third precast block which are overlapped to form, wherein an overlapping structure is arranged between the first precast block and the connecting precast block, the contact area between the first precast block and the connecting precast block is increased, and the assembly efficiency is improved by contraposition connection; connect and assemble the shaping through overlap joint notch and overlap joint structure matched with mode between prefabricated section, second prefabricated section and the third prefabricated section, overlap joint notch and the equal atress of overlap joint structure support the prefabricated section of waiting to assemble when assembling, need not to assemble the bed-jig and also can realize rapid Assembly, easy operation improves assembly efficiency.

Description

Assembled concrete culvert

Technical Field

The utility model relates to a culvert construction technical field especially relates to an assembled concrete culvert.

Background

The culvert and the channel are one of important components in the highway engineering, both the engineering quantity and the engineering cost have a considerable proportion, the construction of the culvert in China generally adopts a cast-in-place process at present, but with the upgrade and transformation from labor intensive industry to industrialized and standardized construction of highway traffic engineering construction, the prefabricated assembled concrete culvert with short construction period, good quality and good durability is gradually popularized and applied in recent years; most of the existing assembly type concrete culverts are troublesome to assemble, can be completed by means of assembling jig frames, and is low in efficiency.

Disclosure of Invention

The utility model discloses aim at solving one of the above-mentioned technical problem at least, provide an assembled concrete culvert, can not realize the installation with the help of assembling the bed-jig, improve assembly efficiency.

In order to realize the purpose, the utility model discloses a technical scheme be:

an fabricated concrete culvert, comprising: the upper end surface and/or the lower end surface of the first precast block are/is provided with a superposed structure, and the group of first precast blocks positioned at the lowest part is integrally bonded with the foundation surface; the connecting precast blocks are superposed on the first precast block, the lower end faces of the connecting precast blocks are provided with superposed structures, and the upper end faces of the connecting precast blocks are provided with lap joint notches; the two sides of the second precast blocks are respectively provided with a lap joint structure; the two sides of each third precast block are respectively provided with a lap joint notch; the lap joint notch is matched and connected with the lap joint structure, and the second precast block and the third precast block are alternately connected to form an arch.

As an improvement of the above technical solution, the lap joint structure and the second precast block are integrally formed.

As an improvement of the above technical solution, the lap joint structure is a block or plate shape protruding outward from both sides of the second precast block.

As an improvement of the technical scheme, the plurality of lap joint structures are arranged on two sides of the second precast block at intervals

As an improvement of the technical scheme, a reinforcing structure is arranged in the lap joint structure.

As an improvement of the above technical solution, the stacking structure is integrally formed with the first precast block and/or the connection precast block.

As an improvement of the technical scheme, the stacked structure is in a tooth shape or a wave shape.

As an improvement of the technical scheme, a reinforcing structure is arranged in the overlapping structure.

As the improvement of the technical scheme, the prefabricated building block structure further comprises connecting components, and the adjacent first prefabricated blocks and the connecting prefabricated blocks, the connecting prefabricated blocks and the second prefabricated blocks and the third prefabricated blocks are connected through the connecting components.

As an improvement of the technical scheme, the connecting assembly comprises two connecting plates and a stud penetrating through the two connecting plates, and connecting nuts are arranged at two ends of the stud; all be provided with on first prefabricated section, the connection prefabricated section, second prefabricated section and the third prefabricated section and be used for the joint the spread groove of connecting plate.

Compared with the prior art, the beneficial effects of this application are:

the assembled concrete culvert of the utility model adopts the first precast block, the connecting precast block, the second precast block and the third precast block which are formed in a lap joint way, wherein a superposition structure is arranged between the first precast block and the connecting precast block, the contact area between the first precast block and the connecting precast block is increased, and the assembly efficiency can be improved by contraposition connection; connect and assemble the shaping through overlap joint notch and overlap joint structure matched with mode between prefabricated section, second prefabricated section and the third prefabricated section, overlap joint notch and the equal atress of overlap joint structure support the prefabricated section of waiting to assemble when assembling, need not to assemble the bed-jig and also can realize rapid Assembly, easy operation improves assembly efficiency.

Drawings

The following detailed description of embodiments of the invention is provided in conjunction with the accompanying drawings, in which:

fig. 1 is a schematic structural diagram of one embodiment of the present invention;

fig. 2 is a schematic structural diagram of another embodiment of the present invention;

fig. 3 is a schematic structural diagram of a second precast block according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a third precast block according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a second precast block/a third precast block according to another embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or there can be intervening components, and when a component is referred to as being "disposed in the middle," it is not just disposed in the middle, so long as it is not disposed at both ends, but rather is within the scope of the middle. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items

As shown in fig. 1 to 4, the present invention provides an assembled concrete culvert, which includes at least one set of first prefabricated blocks 200, at least one set of connection prefabricated blocks 300, a plurality of second prefabricated blocks 400 and a plurality of third prefabricated blocks 500, the present embodiment is illustrated by sequentially stacking two sets of first prefabricated blocks 200 and one set of connection prefabricated blocks 300, wherein one set of first prefabricated blocks 200 is disposed on a base surface 100, specifically, two sets of first prefabricated blocks 200 are disposed at intervals, the interval distance between the two first prefabricated blocks 200 is the width of the culvert, the first prefabricated block 200 at the bottom is bonded with the base surface 100, the upper end surface and/or the lower end surface of the first prefabricated block 200 is provided with a stacking structure 201, in the present embodiment, the upper end surface and the lower end surface of the first prefabricated block 200 are both provided with a stacking structure 201, and the lower end surface of the connection prefabricated block 300, which is matched with the first prefabricated block 200, is also provided with the stacking structure 201, this superimposed structure 201 can be with first prefabricated section 200 and connect prefabricated section 300 integrated into one piece's dentate or wavy structure, and its aim at realizes adjacent first prefabricated section 200 and connects prefabricated section 300 counterpoint stack assembly through superimposed structure 201, avoids taking place the dislocation when the installation to adopt the bonding glue to bond between adjacent first prefabricated section 200 and the connection prefabricated section 300, dentate or wavy structure can increase two adjacent prefabricated sections, first prefabricated section 200 in this application and the area of contact of connecting prefabricated section 300 promptly.

The upper end face of the connection prefabricated block 300 is provided with an overlapping notch 301, two sides of the second prefabricated block 400 are respectively provided with an overlapping structure 401, the overlapping structure 401 can be a block or a plate which is respectively protruded outwards from two sides of the second prefabricated block 400, concretely, the overlapping structure 401 can be integrally formed with the second prefabricated block 400, the second prefabricated block 400 can be overlapped on the connection prefabricated block 300 through matching the overlapping structure 401 and the overlapping notch 301 during assembly, at the moment, a certain gradient is generated between the second prefabricated block 400 and the connection prefabricated block 300 during overlapping, and the overlapping structure 401 is clamped or buckled on the overlapping notch 301, so that the quick assembly of the connection prefabricated block 300 and the second prefabricated block 400 can be realized without an assembling jig frame, and the assembly efficiency is improved; specifically, the second prefabricated section 400 and the third prefabricated section 500 are both arch-shaped blocks, the two sides of the third prefabricated section 500 are respectively provided with an overlapping notch 301, the overlapping notch 301 can be integrally formed with the third prefabricated section 500 or the connection prefabricated section 300, and the second prefabricated section 400 and the third prefabricated section 500 are alternately assembled to form an arch culvert structure.

In some embodiments, the overlapping structures 401 are spaced on two sides of the second prefabricated section 400, and the overlapping notches 301 of the connecting prefabricated section 300 and the third prefabricated section 500 are correspondingly spaced, so that the overlapping notches 301 are formed between two adjacent overlapping structures 401, and the overlapping structures 401 are formed between two adjacent overlapping notches 301, so that the second prefabricated section 400 and the third prefabricated section 500 have the same structure in the present embodiment, that is, the overlapping structures 401 and the overlapping notches 301 are alternately arranged on the side surfaces of the second prefabricated section 400 and/or the third prefabricated section 500, in order to avoid stress concentration between the second prefabricated section 400 and the connecting prefabricated section 300 and between the second prefabricated section 500 and the third prefabricated section 500, that is, the overlapping structures 401 and the overlapping notches 301 are matched to assemble through the overlapping structures 401, stress concentrations are avoided at the connections between the second precast block 400 and the third precast block 500 and between the second precast block 400 and the connection precast block 300.

In some embodiments, referring to fig. 3 to 5, a reinforcing structure 700 is disposed in each of the stacking structure 201 and the overlapping structure 401, the reinforcing structure 700 may be a steel bar disposed along the length direction of the prefabricated block, or may be a metal mesh, and the reinforcing structure 700 is wrapped in the prefabricated block with concrete, so as to increase the structural strength of the stacking structure 201 and the overlapping structure 401, and further ensure the structural strength of the culvert at the assembling position. In some improved embodiments, the reinforcing structure 700 is preferably a steel bar, and two ends of the reinforcing structure can tighten the limiting piece along the adjacent second prefabricated section 400 or third prefabricated section 500 in the whole culvert direction by means of nuts or welding, and can provide a prestress.

In some embodiments, referring to fig. 1 and 2, the fabricated concrete culvert further includes a connection assembly 600, where the connection assembly 600 includes two connection plates and a stud penetrating through the two connection plates and fixedly installed at both ends by a setback nut, and specifically, the connection assembly 600 is disposed between two adjacent prefabricated blocks, that is, a connection between two first prefabricated blocks 200, a connection between the first prefabricated block 200 and the connection prefabricated block 300, a connection between the first prefabricated block 300 and the second prefabricated block 400, and a connection between the second prefabricated block 400 and the third prefabricated block 500 in this application; specifically, all be provided with the spread groove that is used for the joint connecting plate on the prefabricated section and hold the connecting hole that stud passed, further strengthen the assembly structure intensity of concrete culvert through coupling assembling 600. In some embodiments, the connection assembly 600 may also be a conventional rubber sealing structure, which may be a waterproof structure on a bridge joint for reference, which is not detailed herein.

The assembled concrete culvert of the utility model adopts the first precast block 200, the connecting precast block 300, the second precast block 400 and the third precast block 500 which are overlapped, wherein a superposition structure is arranged between the first precast block 200 and the connecting precast block 300, the contact area between the first precast block 200 and the connecting precast block 300 is increased, and the assembly efficiency can be improved by contraposition connection; connect and assemble the shaping through overlap joint notch 301 and overlap joint structure 401 matched with mode between prefabricated section 300, second prefabricated section 400 and the third prefabricated section 500, overlap joint notch 301 and the equal atress of overlap joint structure 401 support the prefabricated section of waiting to assemble when assembling, need not to assemble the bed-jig and also can realize rapid Assembly, easy operation improves assembly efficiency.

The above embodiments are only used for illustrating the technical solutions of the present invention and are not limited thereto, and any modification or equivalent replacement that does not depart from the spirit and scope of the present invention should be covered by the scope of the technical solutions of the present invention.

Claims

1. An assembled concrete culvert, comprising:

the upper end surface and/or the lower end surface of the first precast block are/is provided with a superposed structure, and the group of first precast blocks positioned at the lowest part is integrally bonded with the foundation surface;

the connecting precast blocks are superposed on the first precast block, the lower end faces of the connecting precast blocks are provided with superposed structures, and the upper end faces of the connecting precast blocks are provided with lap joint notches;

the two sides of the second precast blocks are respectively provided with a lap joint structure;

the two sides of each third precast block are respectively provided with a lap joint notch;

the lap joint notch is matched and connected with the lap joint structure, and the second precast block and the third precast block are alternately connected to form an arch.

2. The fabricated concrete culvert of claim 1, wherein the lap joint structure is integrally formed with the second precast block.

3. The fabricated concrete culvert according to claim 2, wherein the lap joint structure is in the shape of a block or a plate protruding outwards from two sides of the second precast block.

4. The fabricated concrete culvert of claim 3, wherein the overlapping structures are arranged in a plurality of numbers and are arranged at intervals on two sides of the second precast block.

5. The fabricated concrete culvert according to any one of claims 1 to 4, wherein a reinforcing structure is arranged in the lap joint structure.

6. The fabricated concrete culvert of claim 1, wherein the stacking structure is integrally formed with the first precast block and/or the connection precast block.

7. The fabricated concrete culvert of claim 6, wherein the stacking structure is in the shape of teeth or waves.

8. An assembled concrete culvert according to claim 6 or 7, wherein a reinforcing structure is provided in the stacking structure.

9. The fabricated concrete culvert of claim 1, further comprising connecting components, wherein the connecting components are connected between the adjacent first precast blocks and the connecting precast blocks, between the connecting precast blocks and the second precast blocks, and between the second precast blocks and the third precast blocks.

10. The fabricated concrete culvert of claim 9, wherein the connection assembly comprises two connecting plates and a stud penetrating through the two connecting plates, and the two ends of the stud are provided with connecting nuts; all be provided with on first prefabricated section, the connection prefabricated section, second prefabricated section and the third prefabricated section and be used for the joint the spread groove of connecting plate.