CN216379114U - Bridge hollow slab connection structure - Google Patents
Bridge hollow slab connection structure Download PDFInfo
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- CN216379114U CN216379114U CN202122884060.2U CN202122884060U CN216379114U CN 216379114 U CN216379114 U CN 216379114U CN 202122884060 U CN202122884060 U CN 202122884060U CN 216379114 U CN216379114 U CN 216379114U
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Abstract
The utility model discloses a bridge hollow slab connecting structure, and relates to the technical field of bridge buildings. Include the roof beam body that comprises a plurality of hollow core slabs that link to each other side by side, form the hinge joint between two adjacent hollow core slabs, the steel sheet is installed down to the lower extreme in the hinge joint, the bottom central authorities of lower steel sheet are fixed with the steel sheet, the bottom of steel sheet is worn out from the bottom of hinge joint, the bilateral symmetry of steel sheet lower extreme is provided with the fixed steel sheet of the type of falling L, pass through bolted connection between fixed steel sheet and the steel sheet, steel sheet's top is fixed with cross arrangement's supporting steel plate, all be provided with a plurality of fixed steel bars between the hollow core slab of the both sides of supporting steel sheet and both sides, be provided with a plurality of reinforcing bars between the steel sheet, steel sheet's top is fixed with the steel sheet, go up and all be provided with a plurality of connecting steel bars between the bottom both sides of steel sheet and two hollow core slabs. The utility model overcomes the defects of the prior art, enhances the transverse connection effect of the hollow slabs and improves the overall stability of the bridge.
Description
Technical Field
The utility model relates to the technical field of bridge construction, in particular to a bridge hollow slab connecting structure.
Background
The hollow slab bridge is one of the most common structural forms of a small-span bridge with the length of 10-20 m, most of the hollow slab bridge mainly takes a simply supported beam as a main part, the hollow slab bridge is suitable for industrial mass production and assembly construction, the section of the hollow slab bridge is composed of a plurality of hollow slabs, hinge joints are arranged among the hollow slabs, after the hollow slabs are erected, the hinge joints and bridge deck cast-in-place layer concrete are cast together, and the plurality of hollow slabs, the hinge joints and the bridge deck cast-in-place layer form a whole to bear loads of automobiles and the like.
The connection between the hollow slab roof beam of current bridge only relies on concrete and the top surface reinforcing bar net piece of pouring between the hollow slab to provide, and when the bridge substructure produced inhomogeneous settlement, connection performance was relatively poor between the hollow slab roof beam, leads to the whole stability ability of bridge not enough. Therefore, the bridge hollow slab connecting structure is provided.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Aiming at the defect of poor connection performance between hollow slab beams in the prior art, the utility model provides a bridge hollow slab connection structure.
(II) technical scheme
In order to achieve the purpose, the utility model is realized by the following technical scheme:
a bridge hollow slab connecting structure comprises a beam body formed by connecting a plurality of hollow slabs side by side, a hinge joint is formed between every two adjacent hollow slabs, a lower steel plate which is abutted against the two hollow slabs is installed at the lower end in the hinge joint, a connecting steel plate is fixed at the center of the bottom of the lower steel plate, the bottom end of the connecting steel plate penetrates out of the bottom of the hinge joint, inverted-L-shaped fixed steel plates are symmetrically arranged on the two sides of the lower end of the connecting steel plate, the fixed steel plates are connected with the connecting steel plate through bolts, supporting steel plates which are arranged in a crossed mode are fixed at the top of the connecting steel plate, a plurality of fixed reinforcing steel bars are symmetrically arranged on the two sides of the supporting steel plate, the fixed reinforcing steel bars on the two sides of the supporting steel plate respectively extend reversely and are inserted into the hollow slabs on the close side, a plurality of reinforcing steel bars are arranged between the supporting steel plates, an upper steel plate is installed at the top of the supporting steel plate, and the upper steel plate covers the top of the hinge joint, go up the bottom bilateral symmetry of steel sheet and be provided with connecting reinforcement, and the connecting reinforcement of both sides all downwardly extending inserts respectively in the hollow slab of close one side.
The technical scheme is optimized, the fixed steel plate comprises a horizontal portion and a vertical portion which are integrally formed and perpendicular to each other, the horizontal portion is abutted to the bottom of the hollow plate, the vertical portion is abutted to the side wall of the connecting steel plate, through holes are formed in the vertical portion and the connecting steel plate, bolts penetrate through the through holes of the fixed steel plate on one side, and the through holes of the connecting steel plate and the fixed steel plate on the other side are sequentially connected with locking nuts through threads.
According to the preferable technical scheme, through grooves are symmetrically formed in the two sides of the lower steel plate.
According to the preferable technical scheme, a plurality of transverse slots are symmetrically formed in one opposite side of each of the two hollow plates, one end of each fixing steel bar is fixed to the side wall of each supporting steel plate, and the other end of each fixing steel bar is inserted into the corresponding transverse slot of the hollow plate on the adjacent side.
According to the preferable technical scheme, vertical slots are symmetrically formed in the tops of the two hollow plates, the top ends of the connecting steel bars are fixed to the bottom of the upper steel plate, and the other ends of the connecting steel bars are respectively inserted into the vertical slots of the hollow plates on the adjacent sides.
According to the preferable technical scheme, concrete mortar is filled in the hinge joint.
(III) advantageous effects
The embodiment of the utility model provides a bridge hollow slab connecting structure. The method has the following beneficial effects:
1. the bottom of the two hollow plates are connected through the cooperation of the lower steel plate, the connecting steel plate, the fixing steel plate, the bolt and the locking nut, the middle of the two hollow plates are connected through the arrangement of the supporting steel plates, the fixing reinforcing steel bars and the reinforcing steel bars which are arranged in a crossed mode, and the top of the two hollow plates are connected through the arrangement of the upper steel plate and the connecting reinforcing steel bars, so that the transverse connection effect of the hollow plates is enhanced, the structural integral stability of the hollow plate bridge is improved, the bridge deck load can be better transmitted, and the purpose of common stress of the plates is achieved.
2. According to the utility model, the hinge joint is filled with concrete mortar to form a steel-concrete combined structure, so that the tensile property and the compressive property of the steel plate can be fully utilized, the defect of poor ductility of concrete can be made up, the advantage of good durability of the concrete can be fully utilized, the fatigue resistance performance is good under the working condition of bearing dynamic load, and the durability and the usability of the hollow plate connection are improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
FIG. 1 is a schematic front sectional view of the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is an enlarged view of portion B of FIG. 1 according to the present invention;
FIG. 4 is an enlarged view of the portion C of FIG. 1 according to the present invention.
In the figure: the concrete mortar comprises 1 hollow slab, 2 hinge joints, 3 lower steel plates, 4 connecting steel plates, 5 fixing steel plates, 51 horizontal parts, 52 vertical parts, 6 bolts, 7 locking nuts, 8 supporting steel plates, 9 fixing steel bars, 10 reinforcing steel bars, 11 upper steel plates, 12 connecting steel bars, 13 through holes, 14 through grooves, 15 transverse slots, 16 vertical slots and 17 concrete mortar.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. 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 invention.
Examples
Referring to the attached drawings 1-4, a bridge hollow slab connection structure comprises a beam body formed by connecting a plurality of hollow slabs 1 side by side, a hinge joint 2 is formed between two adjacent hollow slabs 1, a lower steel plate 3 abutting against the two hollow slabs 1 is installed at the lower end in the hinge joint 2, a connection steel plate 4 is fixed at the center of the bottom of the lower steel plate 3, the bottom end of the connection steel plate 4 penetrates out from the bottom of the hinge joint 2, inverted-L-shaped fixed steel plates 5 are symmetrically arranged on two sides of the lower end of the connection steel plate 4, the fixed steel plates 5 are connected with the connection steel plate 4 through bolts 6, supporting steel plates 8 arranged in a crossed manner are fixed at the top of the connection steel plate 4, a plurality of fixed steel bars 9 are symmetrically arranged on two sides of the supporting steel plate 8, the fixed steel bars 9 on two sides respectively extend reversely and are inserted into the hollow slabs 1 on one side close to each other, a plurality of reinforcing steel bars 10 are arranged between the supporting steel plates 8, last steel sheet 11 is installed at supporting steel plate 8's top, and goes up steel sheet 11 and cover at 2 tops of hinge joint, the bottom bilateral symmetry of going up steel sheet 11 is provided with connecting reinforcement 12, and the equal downwardly extending of connecting reinforcement 12 of both sides inserts respectively in the hollow slab 1 of close one side.
Through lower steel sheet 3, the cooperation of connecting steel sheet 4 and fixed steel sheet 5 realizes the connection of 1 bottoms of two hollow slabs, supporting steel plate 8 through the cross arrangement, the connection at 1 middle parts of two hollow slabs is realized in the setting of fixed reinforcement 9 and reinforcing bar 10, the connection at 1 tops of two hollow slabs is realized through the setting of last steel sheet 11 and connecting bar 12, the effect of 1 transverse connection of hollow slab has been strengthened, the structural overall stability of 1 bridge of hollow slab has been improved, can transmit the bridge floor load better, reach the purpose of each board common atress and cross to filling to hinge joint 2 and be equipped with concrete mortar 17 and form steel-concrete composite structure, the durability and the usability of 1 connections of hollow slab have been improved.
In order to facilitate the connection of two adjacent hollow slabs 1 bottoms, fixed steel sheet 5 includes horizontal part 51 and the vertical portion 52 that integrated into one piece and mutually perpendicular set up, and horizontal part 51 and hollow slab 1's bottom butt, vertical portion 52 and connecting steel sheet 4's lateral wall looks butt, through-hole 13 has all been seted up on vertical portion 52 and the connecting steel sheet 4, bolt 6 penetrates from the through-hole 13 of the fixed steel sheet 5 of one side, and threaded connection has lock nut 7 behind the through-hole 13 that passes connecting steel sheet 4's through-hole 13 and the fixed steel sheet 5 of opposite side's through-hole 13 in proper order.
In order to facilitate the injection of concrete mortar 17, through grooves 14 are symmetrically formed in the two sides of the lower steel plate 3. The through groove 14 is arranged to facilitate the concrete mortar 17 to enter the lower part of the hinge joint 2.
In order to facilitate the connection of the middle parts of two adjacent hollow plates 1, a plurality of transverse slots 15 are symmetrically formed in one opposite side of each hollow plate 1, one end of each fixed steel bar 9 is fixed to the side wall of each supporting steel plate 8, and the other end of each fixed steel bar 9 is inserted into the corresponding transverse slot 15 of the hollow plate 1 on one side.
In order to facilitate the connection of the tops of two adjacent hollow plates 1, vertical slots 16 are symmetrically formed in the tops of the two hollow plates 1, the top ends of the connecting steel bars 12 are fixed to the bottom of the upper steel plate 11, and the other ends of the connecting steel bars 12 are respectively inserted into the vertical slots 16 of the hollow plates 1 on the adjacent side.
In order to improve the durability and usability of the hollow slab 1 connection, the hinge joint 2 is filled with concrete mortar 17.
The working principle is as follows: during the use, will descend the hollow slab 1 butt of steel sheet 3 and one side, and insert the fixed reinforcement 9 of 8 one sides of supporting steel sheet in the horizontal slot 15 that the hollow slab 1 of one side corresponds, then insert the fixed reinforcement 9 of 8 opposite sides of supporting steel sheet in the horizontal slot 15 that the hollow slab 1 of opposite side corresponds, make connecting steel plate 4 wear out from 2 bottoms of hinge joint, the cooperation through bolt 6 and lock nut 7 realizes connecting steel plate 4 and fixed steel plate 5's connection, then pour into concrete mortar 17 and vibrations jolt in 2 to the hinge joint, at last will go up in the vertical slot 16 of two hollow slabs 1 of connecting reinforcement 12 of 11 bottom both sides of steel sheet, realize the firm connection between the hollow slab 1.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (6)
1. The utility model provides a hollow slab connection structure of bridge, includes the roof beam body that constitutes by a plurality of hollow slab (1) link to each other side by side, its characterized in that: a hinge joint (2) is formed between two adjacent hollow plates (1), a lower steel plate (3) which is connected with the two hollow plates (1) in an abutting mode is installed at the lower end in the hinge joint (2), a connecting steel plate (4) is fixed to the center of the bottom of the lower steel plate (3), the bottom end of the connecting steel plate (4) penetrates out of the bottom of the hinge joint (2), inverted-L-shaped fixed steel plates (5) are symmetrically arranged on two sides of the lower end of the connecting steel plate (4), the fixed steel plates (5) and the connecting steel plate (4) are connected through bolts (6), supporting steel plates (8) which are arranged in a crossed mode are fixed to the top of the connecting steel plate (4), a plurality of fixed reinforcing steel bars (9) are symmetrically arranged on two sides of the supporting steel plates (8), the fixed reinforcing steel bars (9) on two sides are respectively and reversely extend and are inserted into the hollow plates (1) on one side close to each other side, a plurality of reinforcing steel bars (10) are arranged between the supporting steel plates (8), last steel sheet (11) are installed at the top of supporting steel plate (8), and go up steel sheet (11) and cover at hinge joint (2) top, the bottom bilateral symmetry of going up steel sheet (11) is provided with connecting reinforcement (12), and the equal downwardly extending of connecting reinforcement (12) of both sides inserts respectively in close one side hollow core plate (1).
2. The bridge hollow slab connection structure of claim 1, wherein: fixed steel sheet (5) including horizontal part (51) and vertical portion (52) that integrated into one piece and mutually perpendicular set up, and horizontal part (51) and the bottom butt of hollow slab (1), vertical portion (52) and the lateral wall looks butt of connecting steel sheet (4), through-hole (13) have all been seted up on vertical portion (52) and connecting steel sheet (4), bolt (6) penetrate from through-hole (13) of one side fixed steel sheet (5), have lock nut (7) through-hole (13) the back threaded connection of through-hole (13) of passing connecting steel sheet (4) and the fixed steel sheet (5) of opposite side in proper order.
3. The bridge hollow slab connection structure of claim 1, wherein: through grooves (14) are symmetrically formed in the two sides of the lower steel plate (3).
4. The bridge hollow slab connection structure of claim 1, wherein: two a plurality of horizontal slots (15) have been seted up to hollow core slab (1) relative one side symmetry, the one end of fixed reinforcing bar (9) is fixed mutually with the lateral wall of supporting steel plate (8), the other end of fixed reinforcing bar (9) inserts respectively in horizontal slot (15) of the hollow core slab (1) of close one side.
5. The bridge hollow slab connection structure of claim 1, wherein: vertical slots (16) are symmetrically formed in the tops of the two hollow plates (1), the top ends of the connecting steel bars (12) are fixed to the bottom of the upper steel plate (11), and the other ends of the connecting steel bars (12) are inserted into the vertical slots (16) of the hollow plates (1) on the adjacent sides respectively.
6. The bridge hollow slab connection structure of claim 1, wherein: and concrete mortar (17) is filled in the hinge joint (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122884060.2U CN216379114U (en) | 2021-11-24 | 2021-11-24 | Bridge hollow slab connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122884060.2U CN216379114U (en) | 2021-11-24 | 2021-11-24 | Bridge hollow slab connection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216379114U true CN216379114U (en) | 2022-04-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122884060.2U Active CN216379114U (en) | 2021-11-24 | 2021-11-24 | Bridge hollow slab connection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216379114U (en) |
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2021
- 2021-11-24 CN CN202122884060.2U patent/CN216379114U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A Bridge Hollow Plate Connection Structure Effective date of registration: 20230608 Granted publication date: 20220426 Pledgee: China Postal Savings Bank Co.,Ltd. Bozhou Branch Pledgor: Bozhou mayor hengzhugong Intelligent Technology Co.,Ltd. Registration number: Y2023980043326 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |