CN211872643U - Supporting structure of bridge panel - Google Patents
Supporting structure of bridge panel Download PDFInfo
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- CN211872643U CN211872643U CN201922245209.5U CN201922245209U CN211872643U CN 211872643 U CN211872643 U CN 211872643U CN 201922245209 U CN201922245209 U CN 201922245209U CN 211872643 U CN211872643 U CN 211872643U
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- precast slab
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Abstract
The utility model is suitable for a bridge construction technical field provides a bearing structure of bridge panel. The utility model provides a supporting structure of bridge panel, include: and arranging a first lug plate on a web plate of the main beam and a second lug plate on the precast slab, detachably connecting a supporting piece with the first lug plate and the second lug plate to support the precast slab, and removing the supporting piece after forming the bridge deck. The detachable support for the precast slabs is formed by arranging the ear plates and the supporting pieces, only a small amount of ear plates and supporting pieces are needed, and the construction process is simple, so that the construction time of the bridge is saved; compared with the traditional full hall scaffold supporting structure, the lug plates and the supporting pieces occupy small space, and the influence on the convenience of under-bridge traffic is avoided.
Description
Technical Field
The utility model belongs to the technical field of the bridge construction, especially, relate to a bearing structure of bridge panel.
Background
The composite structure bridge mainly comprises two parts, namely a main beam and an overhanging bridge panel, when the overhanging bridge panel is built, a template is generally required to be arranged on the main beam for supporting, and then concrete is cast on the template in situ to form the overhanging bridge panel. Under the condition that the formwork engineering quantity is great or the main beam can not completely support the formwork, a full framing scaffold is usually required to be arranged, the construction process of erecting the scaffold in the horizontal direction is required to be fully paved, the construction period is long due to the fact that the density of the scaffold is relatively high, and convenience of traffic under a bridge is influenced.
SUMMERY OF THE UTILITY MODEL
In view of this, the embodiment of the utility model provides a supporting structure of bridge panel to solve combination bridge construction cycle length and influence the convenient technical problem of traffic.
In order to solve the above problem, the embodiment of the present invention provides a technical solution that:
an embodiment of the utility model provides a bearing structure of bridge panel, bearing structure of bridge panel includes: the main beam comprises a web plate and an upper flange connected with the upper end of the web plate, and a first lug plate is arranged on the web plate; one part of the precast slab is arranged on the upper surface of the upper flange, the other part of the precast slab is provided with a second ear plate, and the precast slab and the upper flange are used for forming a bottom plate of the bridge deck; and the supporting piece is used for supporting the precast slab, one end of the supporting piece is detachably connected with the first ear plate, and the other end of the supporting piece is detachably connected with the second ear plate.
Further, the support structure of the bridge panel further includes: and the connecting piece is arranged on the upper surface of the upper flange and used for connecting the bridge panel and the main beam.
Further, the connector includes a plurality of spaced apart pegs.
Furthermore, connecting holes are formed in the first ear plate and the second ear plate, the one end of the support piece and the other end of the support piece are provided with buckling pieces, and the buckling pieces are buckled and connected with the connecting holes.
Further, the first ear plate includes: the first bottom plate is fixedly connected with the web plate; the first upright post is connected with the first bottom plate, and a connecting hole for connecting the support piece is formed in the first upright post; and/or the second ear panel comprises: the second bottom plate is fixedly connected with the precast slab; and the second upright column is connected with the second bottom plate, and a connecting hole for connecting the support piece is formed in the second upright column.
Further, the first ear plate is arranged on one side of the web plate close to the precast plate, and the second ear plate is arranged on the lower surface of the precast plate.
Further, the quantity of first otic placode is two that the interval set up from top to bottom, the quantity of second otic placode is one, every first otic placode with all through one between the second otic placode support piece detachably connects.
Furthermore, bent ribs are arranged on the upper surface of the precast slab.
Further, the bent rib includes: an outer convex portion disposed above the precast slab; and the embedded part is arranged in the precast slab.
Further, a ratio of a length of the one portion of the prefabricated panel to the other portion of the prefabricated panel in a length direction of the prefabricated panel is less than 1/5.
The embodiment of the utility model provides a bearing structure of bridge panel, include: and arranging a first lug plate on a web plate of the main beam and a second lug plate on the precast slab, detachably connecting a supporting piece with the first lug plate and the second lug plate to support the precast slab, and removing the supporting piece after forming the bridge deck. The detachable support for the precast slab is formed by arranging the ear plates and the supporting pieces, only a small amount of ear plates and supporting pieces are needed, the construction process is simple, and the time is saved; and the ear plates and the supporting pieces occupy small space, so that the influence on the convenience of under-bridge traffic is avoided.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a supporting structure of a bridge panel according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a main beam of a supporting structure of a bridge panel according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a prefabricated plate in a supporting structure of a bridge deck according to an embodiment of the present invention;
fig. 4 is a side view of an ear plate in a supporting structure of a bridge deck according to an embodiment of the present invention;
fig. 5 is a top view of an ear plate in a supporting structure of a bridge deck according to an embodiment of the present invention.
Description of reference numerals:
10-bridge deck slab; 11-a main beam; 111-a web; 112-upper flange; 113-a first ear plate; 12-precast slab; 121-a second ear plate; 13-a support; 14-a peg; 15-connecting holes; 16-bending the ribs; 161-a convex portion; 162-pre-buried part; 18-bottom plate through hole.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The individual features described in the embodiments can be combined in any suitable manner without departing from the scope, for example different embodiments and aspects can be formed by combining different features. In order to avoid unnecessary repetition, various combinations of the specific features of the present invention are not described separately.
In a specific embodiment, the construction method of the bridge panel and the support structure thereof can be applied to the construction process of various small, medium and large bridges, for example, the support structure can be used for river-crossing bridges, river-crossing bridges and pedestrian overpasses in urban transportation hubs; the support structure of the bridge deck may also be used in the construction of building construction, for example, the support structure may be used to construct overhanging floor sections of a building. The following description will take the support structure as an example for use in the construction of a bridge deck for a pedestrian bridge.
As shown in fig. 1, the embodiment of the utility model provides a supporting structure of bridge panel, supporting structure includes: main girders 11, prefabricated panels 12, and supports 13, the supports 13 supporting the prefabricated panels 12 on the main girders 11.
As shown in fig. 2, the main beam 11 includes a web 111 and an upper flange 112 fixed to an upper end of the web 111, and a first ear plate 113 is disposed on the web 111. Specifically, the main beam 11 may be a concrete main beam, a steel-concrete mixed main beam, or a laminated main beam, and may have other shapes such as "i" shape, "T" shape, and "7" shape, and it is only necessary that the main beam 11 includes a web 111 and an upper flange 112 fixedly connected to an upper end of the web 111. In addition, the number of the first ear plates 113 may be plural, and a plurality of the first ear plates 113 may be distributed at different positions on the web 111, thereby facilitating the support of the prefabricated panel 12 from a plurality of angles together with the supporting member 13 and the second ear plates 121. The first ear plate 113 is disposed on the web 111 by means including, but not limited to, welding, screwing, etc.
One part of the precast slab 12 is arranged on the upper surface of the upper flange 112, and the other part of the precast slab 12 is provided with a second ear plate 121, and the precast slab 12 and the upper flange 112 are used for forming a bottom plate of the bridge deck 10. As shown in fig. 2, in particular, the prefabricated panels 12 can be arranged on the upper surface of the upper flange 112 by simply erecting, or by using pins, or by arranging concrete on the portion of the prefabricated panels 12 contacting the upper flange 112, and the area of the portion of the prefabricated panels 12 arranged on the upper surface of the upper flange 112 can be adjusted according to the actual engineering requirements, so as to form the bottom slab of the bridge deck 10 meeting the engineering requirements. The number of the second ear plates 121 can also be multiple, and the second ear plates are arranged on the part of the precast slab 12 which is not arranged on the upper flange 112 by adopting a threaded connection or welding mode, and the like, and optionally, the specific arrangement position can be located on the part of the precast slab 12 which is far away from the upper flange 112, so that the support moment arm of the support structure is increased, and the support stability of the support structure is further improved.
The supporting member 13 is used for supporting the prefabricated slab 12, one end of the supporting member 13 is detachably connected to the first ear plate 113, and the other end of the supporting member 13 is detachably connected to the second ear plate 121. As shown in fig. 2, the supporting member 13 may be a rigid material such as steel, and it should be noted that the rigid material means a material that has no deformation or little deformation after being stressed, so as to ensure that the supporting member can bear enough pressure from the precast slab 12 and the bridge deck 10 without significant deformation. In this case, if there are a plurality of, for example two, supporting members 13, one end of each supporting member 13 is connected to the first ear plate 113, and the other opposite end is connected to the second ear plate 121, and different supporting members can be connected to the same second ear plate or the same first ear plate according to the actual situation. The two ends of the supporting member 13 and the first ear plate 113 and the second ear plate 121 can be respectively connected by detachable connection methods such as snap connection, threaded connection, key connection and the like; for example: the both ends of support piece 13 set up the external screw thread, and connecting hole 15 inner wall sets up the internal thread, and first otic placode 113 and second otic placode 121 carry out threaded connection with support piece 13, also can adopt support piece 13's both ends to set up buckle spare, carry out the buckle with connecting hole 15 on first otic placode 113 and the second otic placode 121 and be connected. Optionally, one or more of the first ear plate 113 or the second ear plate 121 can be removably coupled to at least one end of one of the support members 13, thereby increasing the support capacity of the support structure without increasing the number of ear plates.
The detachable support for the precast slabs is formed by arranging the ear plates and the supporting pieces, so that the support structure is simple, the stress is clear, only a small amount of ear plates and supporting pieces are needed, the construction process is simple, and the construction time of the bridge is saved; compared with the traditional full hall scaffold supporting structure, the lug plates and the supporting pieces occupy small space, and the influence on the traffic under the bridge is avoided.
Optionally, as shown in fig. 1, the supporting structure of the bridge deck 10 further includes: and a connecting member, provided on a portion of the upper surface of the upper flange 112 where the precast slab 12 is not provided, for connecting the bridge deck 10 and the main girder 11. The connecting member may be a plurality of studs 14 arranged at intervals, and the studs 14 are used as a high-strength rigid connecting fastener for connecting the main beam 11 and the concrete bridge panel 10, and the studs 14 are also called shear pins, where it is noted that the rigidity refers to the ability of the material or structure to resist elastic deformation when being stressed, and the greater the rigidity is, the less the material or structure is prone to elastic deformation when being stressed. Specifically, the number of the studs 14 is at least 3, and the studs can be fixed to the upper flange 112 of the main beam 11 by a stud welding machine and a stud welding gun so as to protrude from the upper surface of the upper flange 112. The specific welding positions and the intervals among the studs 14 are in accordance with the regulations on engineering construction design drawings. By arranging the studs 14 on the upper flanges 112 of the main beams 11, the bonding strength between the main beams 11 and the bridge panel 10 is improved, and the overall stress performance of the bridge is improved.
Optionally, as shown in fig. 1 and 4, a connection hole 15 is formed in the first ear plate 113 and/or the second ear plate 121, and both the one end and the other end of the support 13 are provided with a fastener, and the fastener is connected to the connection hole 15 in a fastening manner. Specifically, the fasteners at the two ends of the supporting member 13 may be a right-angle fastener, a butt-joint fastener, or a rotation fastener. In some embodiments, the supporting member 13 is detachably fastened to the connecting holes 15 formed in the first ear plate 113 and/or the second ear plate 121 through the fasteners at both ends, so as to fix the position of the supporting member 13 and provide reliable support for the prefabricated plate 12, and the fastening means of the fasteners is simple to install and convenient to detach, which helps to improve the practicability of the supporting structure.
Optionally, the first ear plate 113 includes: the first bottom plate is used for being fixedly connected with the web plate 111, and a connecting hole used for being connected with the web plate 111 is formed in the first bottom plate; the first upright post is connected with the first bottom plate, and a connecting hole 15 used for being connected with the supporting piece 13 is formed in the first upright post; and/or the second ear panel 121 comprises: the second bottom plate is used for being fixedly connected with the precast slab 12, and a connecting hole used for being connected with the precast slab 12 is formed in the second bottom plate; and the second upright post is connected with the second bottom plate, and a connecting hole 15 for connecting with the supporting piece 13 is formed in the second upright post. The bottom plate and the upright post can be connected together by welding to form the lug plate, and the lug plate with the upright post and the bottom plate can also be manufactured by casting and molding by designing a mold comprising the two parts. Alternatively, a plurality of base plate through holes 18 (as shown in fig. 5) may be formed in the base plate, the base plate through holes 18 may be uniformly arranged on the base plate, and the first ear plate 113 and the web plate 111 may be detachably connected by using connecting members, which may be studs, screw nuts, or expansion screws, through the base plate through holes 18, and the second ear plate 121 and the lower surface of the prefabricated plate 12 are detachably connected. The bottom plate through holes 18 are formed in the bottom plates of the ear plates, so that the connection strength of the ear plates, the main beam web plates and the prefabricated plates is enhanced, and the supporting performance of the supporting structure is improved.
Optionally, the first ear plate 113 is disposed on a side of the web 111 close to the precast slab 12, and the second ear plate 121 is disposed on a lower surface of the precast slab 12. Specifically, the first ear plate 113 is positioned on the web 111 on the side close to the precast panel 12, for example, as shown in FIG. 1, when the precast panel 12 is disposed on the right side of the web 111, the first ear plate 113 is disposed on the right side of the web 111. When the prefabricated panel 12 is disposed on the left side of the web 111, the first ear panel 113 is disposed on the left side of the web 111, accordingly. The second ear plate 121 is disposed on the lower surface of the portion of the precast slab 12 that is not erected on the upper flange 112, and optionally, the second ear plate 121 may be specifically disposed at a position that is as far away from the upper flange 112 as possible, so as to conveniently form a supporting structure with the supporting member 13, increase the supporting force arm, and improve the stability of the supporting structure.
Optionally, the number of the first ear plates 113 is two, the number of the second ear plates 121 is one, and each of the first ear plates 113 and the second ear plates 121 is detachably connected through one of the supporting members 13. Specifically, as shown in fig. 1, the two first ear plates 113 spaced from each other up and down are not in contact with each other but spaced at a certain distance from each other, the specific distance can be adjusted according to actual engineering requirements, and the centers of gravity of the two first ear plates 113 can be located on the same vertical line or on two vertical lines respectively. The two first ear plates 113 and the second ear plates 121 are detachably connected through one supporting piece 13, so that the two supporting pieces 13 and the web 111 form a triangular structure, and the stability of the supporting structure is improved.
Optionally, as shown in fig. 3, the upper surface of the precast slab 12 is provided with a bent rib 16, and the bent rib 16 includes: an outwardly convex portion 161 provided above the prefabricated panel 12; and an embedded part 162 disposed in the prefabricated panel 12. Specifically, the bent ribs 16 may be distributed on the upper surface of the precast slab 12 in an array manner, and the specific distribution distance between two adjacent bent ribs 16 should meet the requirement of construction strength. The bent ribs 16 at different positions on the precast slab 12 can be specifically adjusted in the distribution density of the bent ribs 16, the diameter of the bent ribs 16, or the height of the outer convex portions 161 of the bent ribs 16 and the embedded depth of the embedded portions 162 according to the actual required bonding strength between the precast slab 12 and the bridge deck 10. The bent ribs 16 are arranged on the precast slabs 12, so that the bonding strength between the bridge deck 10 and the precast slabs 12 can be improved, and the overall reliability of the bridge can be improved.
Alternatively, the ratio of the length of the one portion of the prefabricated panel 12 to the length of the other portion of the prefabricated panel 12 in the length direction of the prefabricated panel 12 is less than 1/5. Specifically, as shown in fig. 1, the prefabricated panels 12 are mounted on the upper flange 112 to a length less than 1/5 from the length of the prefabricated panels 12 not mounted on the upper flange 112, so that the overlapping of the prefabricated panels 12 and the upper flange 112 is formed, and the length of the prefabricated panels required to be used is saved.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A support structure for a bridge deck, comprising:
the main beam comprises a web plate and an upper flange fixed with the upper end of the web plate, and a first lug plate is arranged on the web plate;
one part of the precast slab is arranged on the upper surface of the upper flange, the other part of the precast slab is provided with a second ear plate, and the precast slab and the upper flange are used for forming a bottom plate of the bridge deck;
and the supporting piece is used for supporting the precast slab, one end of the supporting piece is detachably connected with the first ear plate, and the other end of the supporting piece is detachably connected with the second ear plate.
2. The bridge panel support structure of claim 1, further comprising:
and the connecting piece is arranged on the part, not provided with the precast slab, of the upper surface of the upper flange and is used for fixedly connecting the bridge panel and the main beam.
3. A bridge deck support structure according to claim 2, wherein the connection comprises a plurality of spaced apart pegs.
4. The bridge panel support structure according to claim 1 or 2, wherein the first ear plate and the second ear plate are provided with a connecting hole, and the one end and the other end of the support member are provided with a fastener, and the fastener is fastened and connected with the connecting hole.
5. A bridge deck support structure as claimed in claim 1 or 2, wherein the first ear plate comprises:
the first bottom plate is fixedly connected with the web plate; the first upright post is connected with the first bottom plate, and a connecting hole for connecting the support piece is formed in the first upright post;
and/or
The second ear panel includes:
the second bottom plate is fixedly connected with the precast slab;
and the second upright column is connected with the second bottom plate, and a connecting hole for connecting the support piece is formed in the second upright column.
6. A bridge deck support structure as claimed in claim 1 or 2, wherein the first ear panel is provided on a side of the web adjacent to the precast panel and the second ear panel is provided on a lower surface of the precast panel.
7. A bridge deck support structure as claimed in claim 6 wherein the number of first lugs is two spaced apart from one another and the number of second lugs is one, each of the first lugs and the second lugs being releasably connectable by one of the support members.
8. A support structure for a bridge deck as claimed in claim 1 or 2, wherein the upper surface of the precast slab is provided with a bent rib.
9. A bridge deck support structure as claimed in claim 8, wherein the bent ribs comprise:
an outer convex portion disposed above the precast slab;
and the embedded part is arranged in the precast slab.
10. A support structure for a bridge panel according to claim 8, wherein a ratio of the length of said one portion of said precast panel to the length of said another portion of said precast panel in the length direction of said precast panel is less than 1/5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922245209.5U CN211872643U (en) | 2019-12-13 | 2019-12-13 | Supporting structure of bridge panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922245209.5U CN211872643U (en) | 2019-12-13 | 2019-12-13 | Supporting structure of bridge panel |
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| CN211872643U true CN211872643U (en) | 2020-11-06 |
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| CN201922245209.5U Active CN211872643U (en) | 2019-12-13 | 2019-12-13 | Supporting structure of bridge panel |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110886231A (en) * | 2019-12-13 | 2020-03-17 | 中铁第四勘察设计院集团有限公司 | Construction method of bridge panel and supporting structure thereof |
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2019
- 2019-12-13 CN CN201922245209.5U patent/CN211872643U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110886231A (en) * | 2019-12-13 | 2020-03-17 | 中铁第四勘察设计院集团有限公司 | Construction method of bridge panel and supporting structure thereof |
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