CN217948750U - Bridge side flange structure and box girder - Google Patents

Abstract

The utility model discloses a bridge side flange structure and a box girder, relating to the technical field of bridge structures; bridge side edge of a wing structure, including the edge of a wing body, the edge of a wing body outside is equipped with the step that sinks, the step lateral wall that sinks is equipped with many transverse connection muscle, transverse connection muscle is followed edge of a wing body width direction outwards extends, just transverse connection muscle is followed edge of a wing body length direction interval sets up, only need lay asphalt concrete at the bridge floor when, through asphalt concrete landfill can to protect transverse connection muscle, later stage needs enlargement or intercommunication transformation, and asphalt concrete and edge of a wing body, reinforcing bar and asphalt concrete's bonding strength, far less than integrated into one piece's edge of a wing body, can reduce the later stage construction degree of difficulty by a wide margin and shorten construction cycle, and can avoid can causing certain influence to the structural stress of case roof beam body. The box girder comprises a box girder body, and the bridge side flange structure is arranged on the box girder body.

Description

Bridge side flange structure and box girder

Technical Field

The utility model relates to a bridge structures technical field, concretely relates to bridge side edge of a wing structure and case roof beam.

Background

In order to ensure the construction progress, the existing bridge adopts a combined box girder or a cast-in-place integral box girder, wherein the combined box girder can be prefabricated in a pump station in advance, the construction efficiency is higher, and the construction method is widely applied. The single box girder of combination box girder through pouring mould integrated into one piece, and the preparation is efficient, only goes out the muscle at the terminal surface on its edge of a wing, though be convenient for connect two adjacent box girders, but each roof beam body molding of combination box girder is all the same, to the box girder that is located the bridge outside, when later stage need expand or intercommunicate the transformation, need chisel the edge of a wing of marginal box girder or plant the muscle on this edge of a wing, the construction degree of difficulty is big, construction cycle length.

SUMMERY OF THE UTILITY MODEL

Aiming at the technical problem that the existing box girder is not beneficial to later-stage extension and intercommunication transformation; the utility model provides a bridge side edge of a wing structure and case roof beam is provided with sunken step on the case roof beam edge of a wing, can directly lay asphalt concrete on sunken step during bridge construction, and during later stage enlargement or intercommunication transformation, directly chisel out asphalt concrete layer alright to reduce the construction degree of difficulty of later stage enlargement or intercommunication transformation and shorten construction cycle by a wide margin.

The utility model discloses a following technical scheme realizes:

in a first aspect, the utility model provides a bridge side edge of a wing structure, including the edge of a wing body, the edge of a wing body outside is equipped with the step that sinks, it is equipped with many transverse connection muscle to sink the step lateral wall, transverse connection muscle is followed edge of a wing body width direction is outwards extended, just transverse connection muscle is followed edge of a wing body length direction interval sets up.

The outer side wing flange of the box girder positioned on the outermost side of the existing combined box girder type bridge is of a structure flush with the upper end face of the box girder, when the box girder needs to be expanded or intercommunicated and transformed in the later period, the top surface part of the flange needs to be chiseled off or the steel bars need to be planted on the flange, the construction difficulty is large, the construction period is long, and certain influence can be caused on the structural stress of the box girder body.

And the utility model provides a bridge side edge of a wing structure is equipped with the step that sinks in the edge of a wing body outside, and the step lateral wall that sinks is equipped with many transverse connection muscle, when normally buildding, need not to do too much processing to the step that sinks, only need lay asphalt concrete at the bridge floor when, through asphalt concrete landfill can, protect transverse connection muscle through asphalt concrete simultaneously, avoid transverse connection muscle to rust.

Need expand or intercommunication transformation when the later stage, directly chisel remove the asphalt concrete in the step that sinks can, because transverse connection muscle outwards extends along edge of a wing body width direction, and transverse connection muscle sets up along edge of a wing body length direction interval, therefore, directly be connected the reinforcing bar in the later stage structure with transverse connection muscle, carry out concrete placement again, can guarantee the joint strength of later stage structure and this edge of a wing body.

Wherein, because the bonding strength of asphalt concrete and edge of a wing body, be far less than integrative edge of a wing body structural strength who pours, simultaneously, the bonding strength of reinforcing bar and asphalt concrete also is far less than the bonding strength of reinforcing bar and concrete, therefore, when the chisel removed the asphalt concrete in the step that sinks, its degree of difficulty and chisel removed the effort of operation and be far less than the direct chisel and remove integrated into one piece's edge of a wing body.

To sum up, the utility model provides a bridge side edge of a wing structure, when later stage enlargement or intercommunication were reformed transform, directly chisel remove asphalt concrete layer alright, can reduce the construction degree of difficulty that later stage enlargement or intercommunication were reformed transform and shorten construction cycle by a wide margin to can avoid leading to the fact certain influence to the structural stress of case roof beam body.

In an optional implementation mode, the bottom of the sinking step is provided with a vertical connecting rib, and the vertical connecting rib extends upwards along the thickness direction of the flange body. Similarly, vertical splice bar protects through asphalt concrete layer in the early stage, chisels corresponding asphalt concrete layer in the later stage, can be directly with the internal reinforcing bar of later stage structure, further ensure later stage structure body and with the joint strength of this edge of a wing body.

In an optional embodiment, the vertical connecting rib is located outside the transverse connecting rib along the width direction of the flange body. Because the thickness on edge of a wing body reduces from inside to outside gradually, the transverse connection muscle that will play the main connection effect is equipped with the great place on edge of a wing body thickness, can ensure the joint strength of later stage constitution body and this edge of a wing body.

In an optional implementation mode, a first-level step is arranged at the bottom of the sinking step, and the transverse connecting rib is suspended above the first-level step, so that the flange body is ensured to have enough thickness as far as possible, and the influence of the sinking step on the bearing capacity of the flange body is avoided.

In an optional implementation mode, the step bottom that sinks is equipped with the portion of extending to one side, the portion of extending to one side by one-level ladder outside top downwardly extending to the edge of a wing body outside, just vertical splice bar is outstanding extend to one side top. Because the thickness of edge of a wing body reduces from inside to outside gradually, and the height that vertical splice bar need expose is higher, sets up the portion of extending to one side and can ensure as far as that the edge of a wing body has sufficient thickness, ensures that the edge of a wing body has sufficient bearing capacity.

In an optional implementation manner, a drain pipe is vertically arranged at the bottom of the sinking step, the upper end of the drain pipe is higher than the upper end of the flange body, the lower end of the drain pipe extends out of the lower end of the flange body, so that rainwater on the upper end surface of the bridge is drained through the drain pipe, and the lower end of the drain pipe protrudes out of the lower end of the flange body, so that adverse effects caused by rainwater spreading along the lower part of the beam can be avoided.

In an optional embodiment, edge of a wing body lower extreme is equipped with the annular, the annular encircles the drain pipe lower extreme sets up to make along the low extension of edge of a wing body rainwater canalization in the annular, and direct downward drippage, further avoid the rainwater to lead to the fact harmful effects along the low extension of roof beam.

In an alternative embodiment, the inner side of the ring groove extends to the outer wall of the drain pipe to facilitate the embedding of the drain pipe.

In an alternative embodiment, the drain pipe is a stainless steel pipe, which can ensure that the drain pipe has enough rigidity and can avoid rusting of the drain pipe.

The second aspect, the utility model also provides a box girder, including the box girder body, in be equipped with foretell bridge side flange structure on the box girder body, when bridge later stage enlargement or intercommunication were reformed transform, can reduce the construction degree of difficulty that later stage enlargement or intercommunication were reformed transform and shorten construction cycle by a wide margin to can avoid causing certain influence to the structural stress of box girder body.

Compared with the prior art, the utility model, following advantage and beneficial effect have:

1. the utility model provides a bridge side edge of a wing structure, be equipped with the step that sinks in the edge of a wing body outside, and the step lateral wall that sinks is equipped with many transverse connection muscle, when normally buildding, need not to do too much processing to the step that sinks, only need lay asphalt concrete at the bridge floor when, through asphalt concrete landfill can, protect transverse connection muscle through asphalt concrete simultaneously, avoid transverse connection muscle to rust, need expand or intercommunication transformation when the later stage, directly chisel remove the asphalt concrete in the step that sinks can, and asphalt concrete and the bonding strength of edge of a wing body, reinforcing bar and asphalt concrete's bonding strength, far be less than integrated into one piece's edge of a wing body, consequently the utility model discloses when expanding or intercommunication transformation in bridge later stage, can reduce the construction degree of difficulty that later stage expanded or intercommunication were transformed by a wide margin and shorten construction cycle to can avoid causing certain influence to the structural stress of case roof beam body.

2. The utility model provides a box girder, including the box girder body, in be equipped with foretell bridge side edge of a wing structure on the box girder body, when bridge later stage enlargement or intercommunication were reformed transform, can reduce the construction degree of difficulty that later stage enlargement or intercommunication were reformed transform by a wide margin and shorten construction cycle to can avoid leading to the fact certain influence to the structural stress of box girder body.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.

In the drawings:

fig. 1 is a schematic structural view of a side flange structure of a bridge according to an embodiment of the present invention;

fig. 2 is an enlarged schematic view of a portion a of fig. 1.

Reference numbers and corresponding part names in the figures:

10-flange body, 11-sunken step, 12-transverse connecting rib, 13-vertical connecting rib, 14-first step, 15-inclined extension part and 16-ring groove;

20-a drain pipe;

30-box girder body.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, 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 some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined or explained in subsequent figures. The embodiments and features of the embodiments in the present application may be combined with each other without conflict.

In the description of the embodiments of the present application, the terms "central," "upper," "lower," "left," "right," "transverse," "longitudinal," "lateral," "horizontal," "inner," "outer," "front," "rear," "top," "bottom," and the like refer to orientations or positional relationships that are conventionally used in the manufacture of the present application, or that are routinely understood by those of ordinary skill in the art, but are merely used to facilitate the description and to simplify the description of the present application and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be considered limiting of the present application.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "disposed," "open," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

Combine fig. 1 and fig. 2, this embodiment provides a bridge side flange structure, including edge of a wing body 10, the edge of a wing body 10 outside is equipped with step 11 that sinks, 11 lateral walls that sink are equipped with many transverse connection muscle 12, transverse connection muscle 12 is followed edge of a wing body 10 width direction is outwards extended, just transverse connection muscle 12 is followed edge of a wing body 10 length direction interval sets up.

Referring to fig. 2, a vertical connecting rib 13 is arranged at the bottom of the sunken step 11, and the vertical connecting rib 13 extends upwards along the thickness direction of the flange body 10. Similarly, vertical splice bar 13 protects through asphalt concrete layer in the earlier stage, chisels out corresponding asphalt concrete layer in the later stage, can be directly with the internal reinforcing bar of later stage structure, further ensure later stage structure body and with this edge of a wing body 10's joint strength.

Generally, the vertical connecting rib 13 is located outside the transverse connecting rib 12 along the width direction of the flange body 10. Because the thickness of edge of a wing body 10 reduces from inside to outside gradually, the transverse connection muscle 12 that will play the main connection effect is equipped with the great place of edge of a wing body 10 thickness, can ensure later stage structure body and this edge of a wing body 10's joint strength.

In this embodiment, sunken step 11 bottom is equipped with one-level ladder 14, transverse connection muscle 12 hang in one-level ladder 14 top to ensure as far as flange body 10 has sufficient thickness, avoid setting up sunken step 11 and cause the influence to flange body 10's bearing capacity.

Correspondingly, sunken step 11 bottom is equipped with oblique extension portion 15, oblique extension portion 15 by 14 outside tops of one-level ladder downwardly extending to the edge of a wing body 10 outside, just vertical splice bar 13 is outstanding extend 15 tops of oblique extension portion. Because the thickness of flange body 10 reduces from inside to outside gradually, and the height that vertical splice bar 13 need expose is higher, sets up the inclined extension portion 15 and can ensure as far as flange body 10 has sufficient thickness, ensures that flange body 10 has sufficient bearing capacity.

It can be understood that, in the existing bridge of the combined box girder type, the flange of the outer side wing of the box girder positioned at the outermost side is of a structure flush with the upper end surface of the box girder, and when extension or intercommunication transformation is needed in the later stage, the top surface part of the flange needs to be chiseled off or ribs need to be planted on the flange, so that the construction difficulty is high, the construction period is long, and certain influence can be caused on the structural stress of the box girder body 30.

And the bridge side flange structure that this embodiment provided is equipped with step 11 that sinks in the edge of a wing body 10 outside, and 11 lateral walls of step that sink are equipped with many transverse connection muscle 12 and vertical connecting rib 13, when normally building, need not to do too much processing to step 11 that sinks, only need when the bridge floor lays asphalt concrete, through asphalt concrete landfill can, protect transverse connection muscle 12 and vertical connecting rib 13 through asphalt concrete simultaneously, avoid transverse connection muscle 12 and vertical connecting rib 13 to rust.

Need expand or intercommunication transformation when the later stage, directly chisel remove the sunken interior asphalt concrete of step 11 can, because transverse connection muscle 12 outwards extends along edge of a wing body 10 width direction, the vertical setting of vertical splice bar 13, and transverse connection muscle 12 and vertical splice bar 13 all set up along edge of a wing body 10 length direction interval, therefore, directly be connected the reinforcing bar in the later stage structure with transverse connection muscle 12 and vertical splice bar 13, carry out concrete placement again, can guarantee later stage structure and this edge of a wing body 10's joint strength.

Wherein, because the bonding strength of asphalt concrete and edge of a wing body 10, be far less than the edge of a wing body 10 structural strength that integrative pouring, simultaneously, the bonding strength of reinforcing bar and asphalt concrete also is far less than the bonding strength of reinforcing bar and concrete, therefore, when chisel removes the asphalt concrete in sinking step 11, its degree of difficulty and the effort of chiseling the operation are far less than directly chiseling the edge of a wing body 10 that removes integrated into one piece.

In conclusion, the bridge side flange structure that this embodiment provided, when later stage enlargement or intercommunication transformation, directly chisel remove asphalt concrete layer alright, can reduce the construction degree of difficulty that later stage enlargement or intercommunication transformed and shorten construction cycle by a wide margin to can avoid causing certain influence to the structural stress of box girder body 30.

Example 2

With reference to fig. 2, the present embodiment provides a bridge side flange structure, based on the structure and principle recorded in embodiment 1, a drain pipe 20 is vertically arranged at the bottom of the sunken step 11, the upper end of the drain pipe 20 is higher than the upper end of the flange body 10, and the lower end of the drain pipe 20 extends out of the lower end of the flange body 10. When the flange body 10 is poured, the drain pipe 20 is embedded in the pouring mold cavity of the flange body 10, so that the drain pipe 20 and the flange body 10 are integrally formed, rainwater on the upper end face of the bridge is discharged through the drain pipe 20, and the lower end of the drain pipe 20 protrudes out of the lower end of the flange body 10, so that adverse effects caused by rainwater spread along the beam can be avoided.

On this basis, edge of a wing body 10 lower extreme is equipped with annular 16, annular 16 encircles the setting of drain pipe 20 lower extreme to make along the low spread rainwater of extending of edge of a wing body 10 canalization in annular 16, and direct drippage, further avoid the rainwater to lead to the fact the harmful effects along the low spread of roof beam.

Preferably, the inner side of the ring groove 16 extends to the outer wall of the drain pipe 20, so as to facilitate the embedding of the drain pipe 20.

Optionally, the drain pipe 20 is a stainless steel pipe. Because the upper end of the drain pipe 20 needs to bear the pressure of laying asphalt concrete after the bridge is built, the stainless steel pipe is adopted as the drain pipe 20, so that the drain pipe 20 can be ensured to have enough rigidity, and the drain pipe 20 is prevented from rusting. Of course, a thickened PVC pipe may be used as the drain pipe 20, or a combined pipe body having a stainless steel pipe at the upper end and a PVC pipe at the lower end may be used.

Example 3

With reference to fig. 1, this embodiment provides a box girder, which includes a box girder body 30, and the box girder body 30 is provided with the bridge side flange structure described in embodiment 1 or 2.

It can be understood that, edge of a wing body 10 and box girder body 30 integrated into one piece, the step 11 that sinks in edge of a wing body 10 upper end, build the completion back at the bridge, fill through asphalt concrete, consequently, when bridge later stage enlargement or intercommunication are reformed transform, can reduce the construction degree of difficulty that later stage enlargement or intercommunication were reformed transform and shorten construction cycle by a wide margin to can avoid leading to the fact certain influence to box girder body 30's structural stress.

The above-mentioned embodiments further describe the objects, technical solutions and advantages of the present invention in detail, it should be understood that the above-mentioned embodiments are only specific embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims (10)

1. The utility model provides a bridge side flange structure, includes edge of a wing body (10), its characterized in that, edge of a wing body (10) outside is equipped with step (11) that sinks, it is equipped with many transverse connection muscle (12) to sink step (11) lateral wall, transverse connection muscle (12) are followed edge of a wing body (10) width direction is outside to be extended, just transverse connection muscle (12) are followed edge of a wing body (10) length direction interval sets up.

2. The bridge side flange structure according to claim 1, wherein the bottom of the sinking step (11) is provided with a vertical connecting rib (13), and the vertical connecting rib (13) extends upwards along the thickness direction of the flange body (10).

3. The bridge side flange structure according to claim 2, wherein the vertical connecting ribs (13) are located outside the transverse connecting ribs (12) in the width direction of the flange body (10).

4. The bridge side flange structure according to claim 3, wherein the bottom of the sinking step (11) is provided with a first step (14), and the transverse connecting rib (12) is suspended above the first step (14).

5. The bridge side flange structure of claim 4, wherein the bottom of the sinking step (11) is provided with an inclined extension part (15), the inclined extension part (15) extends downwards from the top of the outer side of the first-level step (14) to the outer side of the flange body (10), and the vertical connecting rib (13) protrudes out of the top end of the inclined extension part (15).

6. The bridge side flange structure according to claim 1, wherein a drain pipe (20) is vertically arranged at the bottom of the sinking step (11), the upper end of the drain pipe (20) is higher than the upper end of the flange body (10), and the lower end of the drain pipe (20) extends out of the lower end of the flange body (10).

7. The bridge side flange structure according to claim 6, wherein the flange body (10) is provided at a lower end thereof with a ring groove (16), and the ring groove (16) is provided around a lower end of the drain pipe (20).

8. The bridge side flange structure according to claim 7, wherein the ring groove (16) extends inside to the outer wall of the drain pipe (20).

9. The bridge side flange structure according to claim 6, wherein the drain pipe (20) is a stainless steel pipe.

10. A box girder comprising a box girder body (30), characterized in that the box girder body (30) is provided with the bridge side flange structure of any one of claims 1 to 9.

Images