CN215561944U - Cast-in-place beam cantilever structure - Google Patents

Abstract

The application discloses cast-in-place roof beam cantilever structure, including spandrel girder, cantilever template, the cantilever template is located the both sides of spandrel girder, the cantilever template with be equipped with vertical support bar one, vertical support bar two, diagonal support bar one, diagonal support bar two between the spandrel girder, be equipped with the web on the spandrel girder, the top of web is equipped with the roof, the both sides of web with the cantilever template is connected, the web with the upper end of being connected of cantilever template is equipped with the step. Through setting up the stuff at cast-in-place box girder cantilever inward flange, hide the construction joint inside the cantilever when concreting for the second time to guarantee that the construction is "interior beautiful outside. The structure is simple in construction and convenient to use, and the joint is prevented from being exposed, so that the attractiveness of concrete is guaranteed.

Description

Cast-in-place beam cantilever structure

Technical Field

The application relates to the technical field of bridges, in particular to a cast-in-place beam cantilever structure.

Background

The cast-in-place box girder is the common design form of present bridge construction, and cast-in-place roof beam pours and can divide into once pouring and secondary and pour, and once pour the wholeness good, but the construction degree of difficulty is great, and local construction quality is difficult to control. The secondary pouring construction quality is easy to control, but construction joints can be generated to influence the appearance.

When the cast-in-place box girder is poured twice, the connecting part of the web plate and the cantilever plate is poured for the first time, the designed position is poured for the second time, and because the concrete poured for the first time is finally set during the second time, the problems of poor contact of the concrete poured for the next time, slurry overflow and the like are easily caused, and a through long construction joint is formed after the form is removed, so that the integral attractiveness is influenced.

SUMMERY OF THE UTILITY MODEL

The main objective of this application provides a cast-in-place roof beam cantilever structure, can guarantee concrete placement's aesthetic property.

The main aim at of this application provides a cast-in-place roof beam cantilever structure, including spandrel girder, cantilever template is located the both sides of spandrel girder, cantilever template with be equipped with vertical support bar one, vertical support bar two, diagonal bracing piece one, diagonal bracing piece two between the spandrel girder, be equipped with the web on the spandrel girder, the top of web is equipped with the roof, the both sides of web with cantilever template connects, the web with cantilever template's the upper end of being connected the face is equipped with the step.

Preferably, the cantilever template is provided with an elongated end, and the length of the elongation is 45-55 mm.

Preferably, the upper surface of the cantilever formwork is covered with a layer of wood strips.

Preferably, the width of the wood strip is 20-40mm, and the height is 10-20 mm.

Preferably, the cantilever formwork is connected with the batten through iron nails.

Preferably, the cantilever template is in the shape of an inverted "L".

Preferably, the inclination angle of the first inclined supporting rod is 30-40 °, and the inclination angle of the second inclined supporting rod is 50-60 °.

Preferably, a reinforcing plate is arranged at the joint of the first inclined supporting rod, the second inclined supporting rod and the bearing beam.

Preferably, a first transverse connecting rod is arranged between the first vertical supporting rod and the second vertical supporting rod, and the length of the first transverse connecting rod is 100-150 mm.

Preferably, a lower support is arranged below the bearing beam, and the lower supports are connected through a second transverse connecting rod.

Preferably, two sides of the top plate are provided with vertical square timbers.

The beneficial effect of this application is: the long battens are arranged on the inner edge of the cast-in-place box girder cantilever, the height is 10-20mm, and the construction joint is hidden inside the cantilever when concrete is poured for the second time, so that the construction is guaranteed to be 'inside-out and beautiful'. The structure is simple in construction and convenient to use. And the construction joint is wrapped by secondary pouring concrete, so that the joint is prevented from being exposed, and the attractiveness of the concrete is ensured.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, serve to provide a further understanding of the application and to enable other features, objects, and advantages of the application to be more apparent. The drawings and their description illustrate the embodiments of the invention and do not limit it. In the drawings:

FIG. 1 is a schematic diagram of the overall structure of a beam cantilever structure;

fig. 2 is a partial schematic view of a beam cantilever structure.

1-a spandrel girder; 2, a first inclined supporting rod; 3, a second oblique supporting rod; 4, a first vertical supporting rod; 5, cantilever template; 6-web plate; 7-a top plate; 8, a vertical support rod II; 9-lower support; 10-a transverse connecting rod II; 11-transverse connecting rod one; 12-a reinforcing plate; 13-battens; 14-vertically placing square wood; 15-step.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

In addition, the term "plurality" shall mean two as well as more than two.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

Example 1

Please refer to fig. 1-2, the application provides a cast-in-place beam cantilever structure, which includes a bearing beam 1 and a cantilever template 5, wherein the cantilever template 5 is located at two sides of the bearing beam 1, a first vertical support rod 4, a second vertical support rod 8, a first oblique support rod 2 and a second oblique support rod 3 are arranged between the cantilever template 5 and the bearing beam 1, a web 6 is arranged on the bearing beam 1, a top plate 7 is arranged above the web 6, two sides of the web 6 are connected with the cantilever template 5, and a step 15 is arranged at the upper end of the connection surface of the web 6 and the cantilever template 5.

In this embodiment, the cantilever formwork 5 is provided with an elongated end, the length of the elongation being 45-55 mm.

In this embodiment, the upper surface of the cantilever formwork 5 is covered with a layer of wood strips 13.

In this embodiment, the width of the wood strip 13 is 20-40mm, and the height thereof is 10-20 mm.

In this embodiment, the cantilever formwork 5 is connected to the wooden bar 13 by iron nails.

In this embodiment, the cantilever formwork 5 has an inverted "L" shape.

In this embodiment, the inclination angle of the first inclined supporting rod 2 is 30-40 °, and the inclination angle of the second inclined supporting rod 3 is 50-60 °.

In this embodiment, a reinforcing plate 12 is disposed at a joint of the first diagonal support bar 2, the second diagonal support bar 3, and the bearing beam.

In this embodiment, a first transverse connecting rod 11 is arranged between the first vertical supporting rod 4 and the second vertical supporting rod 8, and the length of the first transverse connecting rod 11 is 100-150 mm.

In this embodiment, a lower bracket 9 is arranged below the bearing beam 1, and the lower brackets 9 are connected through a second transverse connecting rod 10.

In this embodiment, the top plate 7 is provided with vertical square timbers 14 on both sides.

This application is through setting up the stuff in cast-in-place box girder cantilever end inboard, contains the secondary construction joint of pouring in cantilever structure, realized cast-in-place roof beam construction quality "inside and outside beautiful", not only pleasing to the eye but also practical.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims (10)

1. The utility model provides a cast-in-place roof beam cantilever structure, its characterized in that includes spandrel girder, cantilever template is located the both sides of spandrel girder, cantilever template with be equipped with vertical support bar one, vertical support bar two, diagonal support bar one, diagonal support bar two between the spandrel girder, be equipped with the web on the spandrel girder, the top of web is equipped with the roof, the both sides of web with cantilever template connects, the web with the upper end of being connected of cantilever template is equipped with the step.

2. A cast-in-place beam cantilever structure as claimed in claim 1, wherein the cantilever formwork is covered with a layer of battens on its upper surface.

3. A cast-in-place beam cantilever structure as claimed in claim 2, wherein the width of the batten is 20-40mm, and the height is 10-20 mm.

4. A cast-in-place beam cantilever structure as claimed in claim 1, wherein the cantilever template is in the shape of an inverted "L".

5. A cast-in-place beam cantilever structure as claimed in claim 3, wherein the cantilever template and the batten are connected by iron nails.

6. The cast-in-place beam cantilever structure of claim 1, wherein the inclination angle of the first inclined supporting rod is 30-40 °, and the inclination angle of the second inclined supporting rod is 50-60 °.

7. The cantilever structure of claim 6, wherein a reinforcing plate is disposed at the joint of the first diagonal support bar, the second diagonal support bar and the load-bearing beam.

8. The cantilever structure of a cast-in-place beam of claim 1, wherein a first transverse connecting rod is disposed between the first vertical supporting rod and the second vertical supporting rod, and the length of the first transverse connecting rod is 100 mm and 150 mm.

9. The cast-in-place beam cantilever structure of claim 1, wherein, the lower portion of the bearing beam is provided with a lower support, and the lower support is connected with the lower support through a transverse connecting rod II.

10. A cast-in-place beam cantilever structure as claimed in any one of claims 1 to 9, wherein the top plate is provided with vertical square timber on both sides.

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