CN221235903U - Wet seam combination formula of variable height decking reserves reinforced bar structure - Google Patents
Wet seam combination formula of variable height decking reserves reinforced bar structure Download PDFInfo
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- CN221235903U CN221235903U CN202323140785.6U CN202323140785U CN221235903U CN 221235903 U CN221235903 U CN 221235903U CN 202323140785 U CN202323140785 U CN 202323140785U CN 221235903 U CN221235903 U CN 221235903U
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- 230000003014 reinforcing effect Effects 0.000 claims abstract description 25
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims abstract description 20
- 210000001503 joint Anatomy 0.000 claims abstract description 17
- 229910000831 Steel Inorganic materials 0.000 claims description 52
- 239000010959 steel Substances 0.000 claims description 52
- 238000003466 welding Methods 0.000 claims description 4
- 238000004873 anchoring Methods 0.000 abstract description 3
- 239000002131 composite material Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 4
- 230000002787 reinforcement Effects 0.000 description 3
- 230000008719 thickening Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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Abstract
The utility model relates to a wet joint combined reserved reinforcing steel structure of a variable-height bridge deck, which comprises a plurality of variable-height prefabricated bridge decks, joints are formed between adjacent variable-height prefabricated bridge decks at intervals, a plurality of reinforcing steel bars extending to the outer sides of the variable-height prefabricated bridge decks are arranged on the sides of the variable-height prefabricated bridge decks close to the joints, the plurality of reinforcing steel bars are transversely distributed along the variable-height prefabricated bridge decks, a plurality of anchor plate reinforcing steel bars extending to the outer sides of the variable-height prefabricated bridge decks are further arranged on the sides of the variable-height prefabricated bridge decks close to the joints, the plurality of anchor plate reinforcing steel bars are arranged below the reinforcing steel bars at intervals, and the variable-height prefabricated bridge decks and the reinforcing steel bars on the two sides and the anchor plate reinforcing steel bars are formed into an integrated structure through concrete pouring. Compared with the prior art, the odd-even staggered joint butt joint arrangement of the wet joint reinforcing bars at the left side and the right side fully utilizes the wet joint space, strengthens the structural rigidity and the integrity of the wet joint, and fully uses the widening thickness of the bridge deck plate by the reinforcing bars of the lower anchoring plate, so that the joint connection is more reliable.
Description
Technical Field
The utility model relates to the field of wet joint reinforcement structures, in particular to a wet joint combined reserved reinforcement structure of a variable-height bridge deck.
Background
At present, the construction of the domestic expressway is rapidly developed, and a large number of highway bridges are rapidly and normally constructed. The steel plate composite beam is widely used because of high standardization level and high construction efficiency. The steel plate composite beam is formed by combining an upper layer sectional height-variable prefabricated bridge deck and a lower layer steel main beam. Because the prefabricated bridge deck boards with variable heights are connected through wet joints, the connection performance of the wet joints becomes the guarantee of the durability of the steel plate composite beam bridge under the action of long-term vehicle load. Current steel plate composite girder bridges are often wet-joint rebar arrangements by means of loop rebar.
In addition, the connecting position of the height-variable prefabricated bridge deck and the steel girder is provided with a thickened section due to the fact that structural stress safety is guaranteed, but due to size limitation, two layers of annular steel bars cannot be arranged on the thickened section, but if the bridge deck is connected through straight bars, the connecting performance of the bridge deck is poor, if the bridge deck is connected through straight bar spot welding, site construction is complex, and efficiency is low.
Disclosure of utility model
The utility model aims to provide a variable-height bridge deck wet joint combined reserved reinforcing steel bar structure which is a novel structure for optimizing the connection performance of a steel plate combined beam at a thickened section wet joint of a bridge deck, and can ensure the integrity of the wet joint and the durability of the bridge. In the utility model, the odd-even staggered joint butt joint of the wet joint reinforcing bars at the left side and the right side fully utilizes the wet joint space, strengthens the structural rigidity and the integrity of the wet joint, and fully uses the widening thickness of the bridge deck plate by the reinforcing bars of the anchor plate at the lower side, so that the joint connection is more reliable, and the joint connection strength of the joint is ensured.
The aim of the utility model can be achieved by the following technical scheme:
A wet joint combined reserved steel bar structure of a variable-height bridge deck comprises a plurality of variable-height prefabricated bridge deck boards, joints are formed between adjacent variable-height prefabricated bridge deck boards at intervals,
The seam-approaching sides of the height-variable prefabricated bridge deck boards at two sides are provided with a plurality of reinforcing bars extending to the outer sides of the height-variable prefabricated bridge deck boards, the plurality of reinforcing bars are transversely distributed along the height-variable prefabricated bridge deck boards,
The seam-approaching sides of the height-variable prefabricated bridge deck boards at two sides are also provided with a plurality of anchor plate reinforcing bars extending to the outer sides of the height-variable prefabricated bridge deck boards, the anchor plate reinforcing bars are arranged below the reinforcing bars at intervals,
The variable-height prefabricated bridge deck plates and the steel bars on the two sides and the anchor plate steel bars are formed into an integral structure through concrete pouring.
In one embodiment of the utility model, a plurality of main beams are arranged below the variable-height prefabricated bridge deck, and the main beams are I-shaped and made of steel.
In one embodiment of the utility model, the girder comprises a girder upper flange plate, a girder lower flange plate and a girder web, wherein the girder upper flange plate and the girder lower flange plate are arranged in parallel up and down, a girder web is vertically fixed between the girder upper flange plate and the girder lower flange plate, and the girder upper flange plate is connected with the height-variable prefabricated bridge deck.
In one embodiment of the utility model, a thickened section is arranged at the joint section of the variable-height prefabricated bridge deck and the main girder, the upper layer of the thickened section is provided with reinforcing steel bars, and the lower layer of the thickened section is provided with anchoring plate reinforcing steel bars.
In one embodiment of the utility model, the anchor sheet steel bar comprises a straight bar and an anchor sheet, wherein one end of the straight bar is provided with the anchor sheet, and the other end of the straight bar is arranged on the variable-height prefabricated bridge deck of the thickened section.
In one embodiment of the utility model, the straight ribs and the anchor plate are welded or bolted.
In one embodiment of the utility model, the rebars on both sides and the anchor sheet rebars are butt-joined in odd-even staggered joints on the two side variable height prefabricated deck boards connected by wet joints.
In one embodiment of the utility model, the bars and anchor sheet bars on one side penetrate 4-6 cm, preferably 5cm, into the corresponding bars or anchor sheet bars on the other side.
In one embodiment of the utility model, a plurality of the steel bars are arranged in a full-section horizontal through length mode by taking the upper surface of the variable-height prefabricated bridge deck as a reference;
the anchor plate steel bars are horizontally arranged at the thickened section by taking the lower surface of the prefabricated bridge deck with variable height as a reference.
In one embodiment of the present utility model, the rebar is a loop rebar.
Compared with the prior art, the utility model has the following beneficial effects:
(1) In the utility model, the odd-even staggered joint butt joint of the wet joint reinforcing bars at the left side and the right side fully utilizes the wet joint space, enhances the structural rigidity and the integrity of the wet joint, and fully uses the widening thickness of the bridge deck plate by the reinforcing bars of the lower anchoring plate, so that the joint connection is more reliable, and the joint connection strength of the joint is ensured.
(2) According to the variable-height bridge deck wet joint combined reserved steel bar structure, the joint performance of joints is enhanced, the thickened sections of the variable-height prefabricated bridge deck are fully utilized, and the rigidity of the joints and the integrity of a bridge are improved;
(2) Compared with the traditional straight rib welding connection, the height-variable bridge deck wet joint combined reserved steel bar structure greatly improves construction efficiency.
Drawings
Fig. 1 is a schematic view of a side of a wet joint combined reserved reinforcement structure of a variable height deck slab according to the present utility model;
fig. 2 is a schematic view of a partial structure of a thickened section of one side of a wet joint combined reserved reinforcing steel bar structure of a variable-height bridge deck according to the present utility model;
Fig. 3 is a schematic view of a partial structure of a thickened section on the other side of a wet joint combined reserved reinforcing steel bar structure of a variable-height bridge deck corresponding to fig. 2;
FIG. 4 is a top plan view of a seam connection of a wet-seam modular pre-reserved rebar structure of a variable-height deck slab in accordance with the present utility model;
fig. 5 is a schematic diagram of a partial structure of a thickened section of a seam-connected seam-type bridge deck slab wet-seam-combined reserved reinforcing steel bar structure according to the present utility model;
description of the drawings: 1. girder, 2, prefabricated bridge deck of variable height, 3, reinforcing bar, 4, anchor plate reinforcing bar, 4a, straight muscle, 4b, anchor plate.
Detailed Description
The utility model will now be described in detail with reference to the drawings and specific examples. The present embodiment is implemented on the premise of the technical scheme of the present utility model, and a detailed implementation manner and a specific operation process are given, but the protection scope of the present utility model is not limited to the following examples.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present utility model, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," 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 "mounted," "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, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
Some embodiments of the present utility model are described in detail below with reference to the accompanying drawings. The embodiments described below and features of the embodiments may be combined with each other without conflict.
Example 1
Referring to fig. 1 to 5, the present embodiment provides a wet-joint combined type reserved reinforcing steel structure of a variable-height bridge deck, which comprises a plurality of variable-height prefabricated bridge deck panels 2, joints are formed between adjacent variable-height prefabricated bridge deck panels 2 at intervals,
The seam-near sides of the height-variable prefabricated bridge deck 2 on both sides are provided with a plurality of reinforcing bars 3 extending to the outer side of the height-variable prefabricated bridge deck 2, the plurality of reinforcing bars 3 are transversely distributed along the height-variable prefabricated bridge deck 2,
The seam-near side of the height-variable prefabricated bridge deck 2 at both sides is also provided with a plurality of anchor plate reinforcing bars 4 extending to the outer side of the height-variable prefabricated bridge deck 2, the anchor plate reinforcing bars 4 are arranged below the reinforcing bars 3 at intervals,
The variable-height prefabricated bridge deck 2 and the steel bars 3 and the anchor plate steel bars 4 on the two sides are formed into an integral structure through concrete pouring.
In this embodiment, a plurality of girders 1 are arranged below the height-variable prefabricated bridge deck 2, and the girders 1 are i-shaped and made of steel.
In this embodiment, the girder 1 includes girder top flange plate, girder bottom flange plate and girder web, parallel arrangement about girder top flange plate and the girder bottom flange plate, be fixed with a girder web perpendicularly between girder top flange plate and the girder bottom flange plate, girder top flange plate meets with the prefabricated bridge deck 2 of variable height.
In this embodiment, the section department that meets of prefabricated decking of variable height 2 and girder 1 is equipped with the thickening section, the thickening section upper strata is equipped with reinforcing bar 3, the thickening section lower floor is equipped with anchor plate reinforcing bar 4.
In this embodiment, the anchor plate reinforcing steel bar 4 includes a straight rib 4a and an anchor plate 4b, one end of the straight rib 4a is provided with the anchor plate 4b, and the other end of the straight rib 4a is arranged on the variable-height prefabricated bridge deck 2 of the thickened section.
In this embodiment, the straight ribs 4a and the anchor plate 4b are connected by welding or bolts.
In this embodiment, the reinforcing bars 3 and the anchor plate reinforcing bars 4 on both sides are butt-jointed in odd-even staggered joint on the prefabricated bridge deck 2 with variable height on both sides connected by wet joints.
In this embodiment, the steel bars 3 and the anchor plate steel bars 4 on one side go deep into the corresponding steel bars 3 or anchor plate steel bars 45cm on the other side.
In the embodiment, the plurality of steel bars 3 are arranged in a full-section horizontal through length way by taking the upper surface of the variable-height prefabricated bridge deck 2 as a reference;
The anchor plate reinforcing steel bars 4 are horizontally arranged at the thickened section by taking the lower surface of the variable-height prefabricated bridge deck 2 as a reference.
In this embodiment, the steel bar 3 is a ring-shaped steel bar.
The previous description of the embodiments is provided to facilitate a person of ordinary skill in the art in order to make and use the present utility model. It will be apparent to those skilled in the art that various modifications can be readily made to these embodiments and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present utility model is not limited to the above-described embodiments, and those skilled in the art, based on the present disclosure, should make improvements and modifications without departing from the scope of the present utility model.
Claims (10)
1. The wet joint combined type reserved reinforcing steel bar structure of the variable-height bridge deck is characterized by comprising a plurality of variable-height prefabricated bridge deck boards (2), joints are formed between adjacent variable-height prefabricated bridge deck boards (2) at intervals,
The seam-approaching sides of the height-variable prefabricated bridge deck boards (2) at two sides are provided with a plurality of reinforcing steel bars (3) extending to the outer sides of the height-variable prefabricated bridge deck boards (2), the plurality of reinforcing steel bars (3) are transversely distributed along the height-variable prefabricated bridge deck boards (2),
The seam-approaching side of the height-variable prefabricated bridge deck (2) at two sides is also provided with a plurality of anchor plate reinforcing bars (4) extending to the outer side of the height-variable prefabricated bridge deck (2), the anchor plate reinforcing bars (4) are arranged below the reinforcing bars (3) at intervals,
The variable-height prefabricated bridge deck plates (2) and the steel bars (3) on the two sides and the anchor plate steel bars (4) are formed into an integral structure through concrete pouring.
2. The wet joint combined type reserved steel bar structure of the variable-height bridge deck according to claim 1, wherein a plurality of main beams (1) are arranged below the variable-height bridge deck (2), and the main beams (1) are I-shaped and made of steel.
3. The wet joint combined type reserved steel bar structure of the variable-height bridge deck according to claim 2, wherein the main beam (1) comprises a main beam upper flange plate, a main beam lower flange plate and a main beam web plate, the main beam upper flange plate and the main beam lower flange plate are arranged in an up-down parallel mode, a main beam web plate is vertically fixed between the main beam upper flange plate and the main beam lower flange plate, and the main beam upper flange plate is connected with the variable-height prefabricated bridge deck (2).
4. The wet joint combined type reserved steel bar structure of the variable-height bridge deck according to claim 2, wherein a thickened section is arranged at the joint section of the variable-height bridge deck (2) and the main beam (1), steel bars (3) are arranged on the upper layer of the thickened section, and anchor plate steel bars (4) are arranged on the lower layer of the thickened section.
5. The wet joint combined type reserved steel bar structure of the variable-height bridge deck according to claim 4, wherein the anchor plate steel bars (4) comprise straight bars (4 a) and anchor plates (4 b), one ends of the straight bars (4 a) are provided with the anchor plates (4 b), and the other ends of the straight bars (4 a) are arranged on the variable-height prefabricated bridge deck (2) of the thickened section.
6. The wet joint combined type reserved steel bar structure of the variable-height bridge deck according to claim 5, wherein the straight bars (4 a) and the anchor plates (4 b) are formed by welding or bolting.
7. The variable-height bridge deck wet joint combined type reserved steel bar structure according to claim 1, wherein the steel bars (3) and the anchor plate steel bars (4) on two sides are arranged in a butt joint mode on the variable-height prefabricated bridge deck (2) on two sides connected by the wet joint.
8. The variable-height bridge deck wet joint combined type reserved steel bar structure according to claim 7, wherein one side of the steel bars (3) and the anchor plate steel bars (4) are deep into the corresponding steel bars (3) or the anchor plate steel bars (4) at the other side by 4-6 cm.
9. The wet joint combined type reserved steel bar structure of the variable-height bridge deck according to claim 4, wherein a plurality of steel bars (3) are arranged in a full-section horizontal through length mode by taking the upper surface of the variable-height prefabricated bridge deck (2) as a reference;
The anchor plate steel bars (4) are horizontally arranged at the thickened section by taking the lower surface of the variable-height prefabricated bridge deck (2) as a reference.
10. The wet joint combined type reserved steel bar structure of the variable-height bridge deck according to claim 1, wherein the steel bars (3) are annular steel bars.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323140785.6U CN221235903U (en) | 2023-11-21 | 2023-11-21 | Wet seam combination formula of variable height decking reserves reinforced bar structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323140785.6U CN221235903U (en) | 2023-11-21 | 2023-11-21 | Wet seam combination formula of variable height decking reserves reinforced bar structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221235903U true CN221235903U (en) | 2024-06-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323140785.6U Active CN221235903U (en) | 2023-11-21 | 2023-11-21 | Wet seam combination formula of variable height decking reserves reinforced bar structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221235903U (en) |
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2023
- 2023-11-21 CN CN202323140785.6U patent/CN221235903U/en active Active
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