CN219839948U

CN219839948U - Concrete guardrail

Info

Publication number: CN219839948U
Application number: CN202321366915.5U
Authority: CN
Inventors: 邢积峰; 赵瑞生; 张乾吉; 张凯峰; 武华健; 杨振华; 席瑞发; 李旺旺
Original assignee: Shanxi Linfen Municipal Engineering Group Co Ltd
Current assignee: Shanxi Linfen Municipal Engineering Group Co Ltd
Priority date: 2023-05-31
Filing date: 2023-05-31
Publication date: 2023-10-17
Anticipated expiration: 2033-05-31

Abstract

The utility model provides a concrete guardrail, which comprises a cast-in-situ box girder top plate, a bridge deck, a first guardrail template, a second guardrail template and a steel plate, wherein the upper end of the cast-in-situ box girder top plate supports the bridge deck, the first guardrail template is arranged on the bridge deck, the second guardrail template is arranged on the steel plate, and the steel plate is arranged at the lower end of the cast-in-situ box girder top plate. The utility model is different from the mode of directly connecting the second guardrail template with the cast-in-situ box girder top plate in the prior art, and the second guardrail template is arranged on the steel plate by adding the steel plate, so that the possibility of contact between water flow and the bottom of the cast-in-situ box girder top plate is reduced, the problem of loose connection is solved, and the service life of the concrete guardrail is prolonged.

Description

Concrete guardrail

Technical Field

The utility model relates to the technical field of guardrails, in particular to a concrete guardrail.

Background

The lower part of the existing concrete guardrail is directly provided with a dripping and extending template at the lower end of the beam body concrete, and as a certain gap exists between the dripping and extending template at the lower part of the concrete guardrail and the beam body concrete, the leakage caused by the infirm blocking by foam rubber can occur.

Disclosure of Invention

The present utility model has been made to solve the technical problems occurring in the prior art. Therefore, a concrete guardrail is needed, a second guardrail template is installed by arranging a steel plate, water is prevented from flowing into the top plate of the cast-in-situ box girder along the second guardrail template, and the service life of the guardrail is prolonged.

In order to solve the problems, the utility model provides a concrete guardrail, which adopts the following technical scheme:

the utility model provides a concrete guardrail, includes cast-in-situ box girder roof, bridge floor, first guardrail template, second guardrail template and steel sheet, the upper end of cast-in-situ box girder roof supports the bridge floor, first guardrail template is installed on the bridge floor, the second guardrail template is installed on the steel sheet, the steel sheet is installed the lower extreme of cast-in-situ box girder roof.

As a preferable technical scheme, the steel plate is obliquely arranged at the lower end of the cast-in-situ box girder top plate.

As a preferable technical scheme, the top of the first guardrail template is flush with the top of the second guardrail template.

As a preferable technical scheme, the second guardrail template is welded with the steel plate.

As the preferable technical scheme, still include the bolt fastening assembly, the one end of second guardrail template sets up first mounting hole, set up the second mounting hole on the steel sheet, the bolt fastening assembly passes through first mounting hole and second mounting hole will the one end of second guardrail template is fixed on the steel sheet.

As an optimal technical scheme, a slotted hole is formed in the lower end of the cast-in-situ box girder top plate, and the steel plate is arranged at the lower end of the cast-in-situ box girder top plate through the slotted hole.

As a preferable technical scheme, the size of the slot hole is larger than that of the steel plate, and one end of the steel plate is fixed in the slot hole through a sealing material layer.

The beneficial effects of the utility model are as follows: according to the concrete guardrail, the second guardrail template is arranged on the steel plate by adding the steel plate in a mode of directly connecting the second guardrail template with the cast-in-situ box girder top plate, so that the possibility of contact between water flow and the bottom of the cast-in-situ box girder top plate is reduced, the problem of loose connection is solved, and the service life of the concrete guardrail is prolonged.

Drawings

Fig. 1 shows a structural diagram of a concrete guard rail according to an embodiment of the present utility model.

Fig. 2 shows a plan view of a steel plate of a concrete guard rail according to an embodiment of the present utility model.

Fig. 3 shows another structural view of a concrete guard rail according to an embodiment of the present utility model.

In the figure, 1 is a cast-in-situ box girder top plate, 2 is a bridge deck, 3 is a first guardrail template, 4 is a second guardrail template, 5 is a steel plate, 6 is a bolt fixing assembly, 7 is a slotted hole, and 8 is a sealing material layer.

Detailed Description

Other advantages and effects of the present utility model will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present utility model with reference to specific examples. The utility model may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present utility model. It should be noted that the following embodiments and features in the embodiments may be combined with each other without conflict.

In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples.

The embodiment of the utility model provides a concrete guardrail. As shown in fig. 1, the concrete guardrail comprises a cast-in-situ box girder top plate 1, a bridge deck 2, a first guardrail template 3, a second guardrail template 4 and a steel plate 5, wherein the upper end of the cast-in-situ box girder top plate 1 supports the bridge deck 2, the first guardrail template 3 is installed on the bridge deck 2, the second guardrail template 4 is installed on the steel plate 5, and the steel plate 5 is installed at the lower end of the cast-in-situ box girder top plate 1.

In this embodiment, the cast-in-place box girder top plate 1 is a top plate constructed based on the existing cast-in-place box girder construction process, and is used for supporting the bridge deck 2. The first guardrail templates 3 can be fixed to the bridge deck 2 in a pouring manner, and the bridge deck 2 is generally paved with waterproof measures, so that the steel plates 5 are not required to be arranged to reduce the contact between water and the bridge deck 2.

According to the utility model, the steel plate 5 is mainly added, the steel plate 5 is arranged at the lower end of the cast-in-situ box girder top plate 1 and is used as a mounting plate of the second guardrail template 4, even if water flows downwards along the second guardrail template 4, the existence of the steel plate 5 reduces the possibility of contact between the water and the cast-in-situ box girder top plate 1, so that the problem of weak blocking with foam rubber and slurry leakage is avoided, the problem of weak connection is effectively solved, the service life of the concrete guardrail is prolonged, and the concrete guardrail has better aesthetic property.

In some embodiments, as shown in fig. 1, the steel plate 5 is obliquely installed at the lower end of the cast-in-place box girder top plate 1. The inclination angle is between 45 and 75 degrees, so that the steel plate 5 is more conveniently installed and the second guardrail template 4 is installed through the steel plate 5, and the water can not contact with the cast-in-situ box girder top plate 1 along the steel plate 5 under the action of gravity, so that the service life is prolonged.

In some embodiments, as shown in fig. 1, the top of the first guardrail module 3 is flush with the top of the second guardrail module 4.

In some embodiments, the second guardrail form 4 is welded to the steel plate 5.

In some embodiments, as shown in fig. 2, the concrete guardrail further includes a bolt fixing assembly 6, a first mounting hole is formed at one end of the second guardrail module 4, a second mounting hole is formed in the steel plate 5, and the bolt fixing assembly 6 fixes one end of the second guardrail module 4 to the steel plate 5 through the first mounting hole and the second mounting hole.

It is to be noted that the first mounting hole and the second mounting hole are not shown in the drawings because they are shielded by other members. The bolt fixing assembly 6 may include a bolt and a nut, the bolt is penetrated out through the first mounting hole and the second mounting hole, and one end of the second guardrail template 4 is fixed on the steel plate 5 by matching with the nut, so as to realize stable installation of the second guardrail template 4.

In some embodiments, as shown in fig. 3, a slot 7 is provided at the lower end of the cast-in-situ box girder top plate 1, and the steel plate 5 is installed at the lower end of the cast-in-situ box girder top plate 1 through the slot 7. Wherein the size of the slot 7 should be larger than the size of the steel plate 5 so that the steel plate 5 can be placed in the slot 7, and then the steel plate 5 is fixed inside the slot 7 by pouring a sealing material to form a sealing material layer 8. The slot 7 may be provided with a reasonable depth, so that when the steel plate 5 is assembled into the structure shown in fig. 1, the height of the steel plate is adjustable, that is, the second guardrail template 4 can be adjusted in height by different extending lengths of the steel plate 5 in the slot 7, so that the top of the first guardrail template 3 is level with the top of the second guardrail template 4, and the steel plate is suitable for cast-in-situ box girder top plates 1 with different heights.

The above embodiments are only for illustrating the present utility model, not for limiting the present utility model, and various changes and modifications may be made by one of ordinary skill in the relevant art without departing from the spirit and scope of the present utility model, and therefore, all equivalent technical solutions are also within the scope of the present utility model, and the scope of the present utility model is defined by the claims.

Claims

1. The concrete guardrail is characterized by comprising a cast-in-situ box girder top plate, a bridge deck, a first guardrail template, a second guardrail template and a steel plate, wherein the bridge deck is supported by the upper end of the cast-in-situ box girder top plate, the first guardrail template is installed on the bridge deck, the second guardrail template is installed on the steel plate, and the steel plate is installed at the lower end of the cast-in-situ box girder top plate.

2. The concrete guardrail as claimed in claim 1, characterized in that said steel plate is obliquely mounted to the lower end of said cast-in-place box girder ceiling.

3. The concrete guardrail of claim 1, wherein the top of said first guardrail form is flush with the top of said second guardrail form.

4. The concrete guardrail of claim 1, wherein said second guardrail form is welded to said steel plate.

5. The concrete guardrail of claim 1, further comprising a bolt securing assembly, wherein a first mounting hole is provided at one end of the second guardrail template and a second mounting hole is provided in the steel plate, and wherein the bolt securing assembly secures one end of the second guardrail template to the steel plate through the first and second mounting holes.

6. The concrete guardrail as claimed in any one of claims 1-5, characterized in that said cast-in-place box girder top plate has a slot provided at its lower end, said steel plate being mounted at its lower end through said slot.

7. The concrete guardrail of claim 6, wherein said slot is sized larger than said steel plate, one end of said steel plate being secured within said slot by a layer of sealing material.