CN216999249U - Novel corrugated steel web box girder structure - Google Patents
Novel corrugated steel web box girder structure Download PDFInfo
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- CN216999249U CN216999249U CN202220432797.2U CN202220432797U CN216999249U CN 216999249 U CN216999249 U CN 216999249U CN 202220432797 U CN202220432797 U CN 202220432797U CN 216999249 U CN216999249 U CN 216999249U
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 133
- 239000010959 steel Substances 0.000 title claims abstract description 133
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 39
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 18
- 230000000149 penetrating effect Effects 0.000 claims description 12
- 230000002787 reinforcement Effects 0.000 claims description 4
- 239000011148 porous material Substances 0.000 claims 5
- 238000005457 optimization Methods 0.000 abstract description 4
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000010276 construction Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 238000005336 cracking Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of bridge construction, in particular to a novel corrugated steel web box girder structure which comprises corrugated steel web supporting structures symmetrically arranged between an upper beam top plate and a lower beam bottom plate, wherein each corrugated steel web supporting structure comprises a corrugated steel web, an upper connection reinforcing mechanism arranged at the upper end of the corrugated steel web and a lower connection reinforcing mechanism arranged at the lower end of the corrugated steel web; the side surface of the corrugated steel web plate is provided with transverse reinforcing support rods, and the transverse reinforcing support rods are horizontally distributed in a V-shaped area on the side surface of the corrugated steel web plate; the corrugated steel web box girder has the advantages that the structure is simple, the deformation resistance of the corrugated steel web box girder in the transverse direction and the longitudinal direction is improved through structural improvement and structural optimization of the corrugated steel web supporting structure, the structural strength and the supporting stability of the connecting part are improved, and the cost is low.
Description
Technical Field
The utility model relates to the technical field of bridge construction, in particular to a novel corrugated steel web box girder structure.
Background
The corrugated steel web plate combined box girder structure is a combined structure in which a web plate of a concrete box girder is replaced by steel with higher strength, and the corrugated steel web plate and a top bottom plate are connected through shear force keys to form the steel and concrete which respectively exert the characteristics. The adoption of the corrugated steel web can greatly reduce the dead weight of the upper structure of the bridge, which is particularly obvious in economic benefit in regions with poor geological conditions. Meanwhile, the corrugated steel web with higher shear strength is used for replacing a concrete web, so that the problems of web cracking of a large-span continuous rigid frame (continuous beam) bridge and excessive beam body deflection caused by the web cracking can be solved in a targeted manner, and the structure has a wide application prospect.
According to the dynamic characteristics of the corrugated steel web box girder structure, the structure of the easily-deformed part of the corrugated steel web box girder is optimized by analyzing the relevant vibration pattern diagram, the processing method adopts the additional reinforcing structure to reinforce the deformation resistance of the corrugated steel web box girder in the transverse direction and the longitudinal direction, the symmetry of the structure is reasonably utilized, the bearing capacity of the corrugated steel web box girder is improved, the load bearing capacity of the optimized corrugated steel web box girder is greatly improved, the optimization cost is reduced, the optimized design of the structural structure of the corrugated steel web box girder meets the actual engineering requirements, and meanwhile, the optimized corrugated steel web box girder can better meet the actual engineering standards.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a novel corrugated steel web box girder structure.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the novel corrugated steel web box girder structure comprises corrugated steel web supporting structures symmetrically arranged between an upper cross beam top plate and a lower cross beam bottom plate, wherein each corrugated steel web supporting structure comprises a corrugated steel web, an upper connection reinforcing mechanism arranged at the upper end of the corrugated steel web and a lower connection reinforcing mechanism arranged at the lower end of the corrugated steel web;
the side surface of the corrugated steel web plate is provided with transverse reinforcing support rods, and the transverse reinforcing support rods are horizontally distributed in a V-shaped area on the side surface of the corrugated steel web plate;
the upper end of the upper connecting and reinforcing mechanism is poured into the top plate of the upper cross beam, and the lower end of the lower connecting and reinforcing mechanism is poured into the bottom plate of the lower cross beam.
Preferably, the upper connection reinforcing mechanism comprises an upper flange plate, perforated steel plates, an upper waveform positioning block and a first penetrating steel bar, the upper flange plate is welded with the upper end of the waveform steel web plate, the upper waveform positioning block is arranged at the lower end of the upper flange plate, the upper end of the waveform steel web plate is fixedly connected with the upper waveform positioning block through a secondary fastener, the two perforated steel plates are horizontally arranged at the upper end of the upper flange plate, and the first penetrating steel bar horizontally penetrates through the perforated steel plates;
the first penetrating steel bar is perpendicular to the extending direction of the upper flange plate;
the perforated steel plate and the penetrating steel bars are poured in the top plate of the upper cross beam.
Preferably, the lower connection reinforcing mechanism comprises a lower flange plate, perforated equilateral angle steels, a lower waveform positioning block, U-shaped reinforcing steel bars and a second penetrating reinforcing steel bar, the lower flange plate is welded with the lower end of a corrugated steel web plate, the lower waveform positioning block is arranged at the upper end of the lower flange plate, the lower end of the corrugated steel web plate is fixedly connected with the lower waveform positioning block through a secondary fastener, the perforated equilateral angle steels are arranged at the lower end of the lower flange plate side by side at equal intervals, vertical U-shaped reinforcing steel bars are arranged on the side wall of each perforated equilateral angle steel, and the second penetrating reinforcing steel bar horizontally penetrates through the perforated equilateral angle steels;
the second penetrating steel bar is parallel to the extending direction of the lower flange plate;
and opening equilateral angle steel, a second penetrating steel bar and the U-shaped steel bar are all poured in the bottom plate of the lower cross beam.
Preferably, the U-shaped reinforcing steel bar is opened downwards.
Has the advantages that: when the corrugated steel web box girder is used, the transverse reinforcing support rods are symmetrically arranged on the side surface of the corrugated steel web, the upper end of the upper connecting reinforcing mechanism is poured into the top plate of the upper cross beam, the lower end of the lower connecting reinforcing mechanism is poured into the bottom plate of the lower cross beam, the transverse and longitudinal deformation resistance of the corrugated steel web box girder is improved, the upper end and the lower end of the corrugated steel web are fastened through the upper corrugated positioning block and the lower corrugated positioning block and the secondary fastening piece, the structural strength and the supporting stability of a connecting part are improved, the cost is lower, and the overall structural strength of the corrugated steel web box girder is improved.
The corrugated steel web box girder has a simple structure, the transverse and longitudinal deformation resistance of the corrugated steel web box girder is improved by carrying out structural improvement and structural optimization on the corrugated steel web supporting structure, the structural strength and the supporting stability of the connecting part are improved, and the cost is lower.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings in the embodiments of the present invention are briefly described below.
FIG. 1 is a schematic distribution diagram of two corrugated steel web support structures;
FIG. 2 is a schematic view of an upper attachment reinforcement mechanism;
FIG. 3 is a schematic view of a lower attachment reinforcement mechanism;
FIG. 4 is a side view of a corrugated steel web support structure;
FIG. 5 is a schematic diagram of the distribution of transverse reinforcing struts on a corrugated steel web;
1-corrugated steel web plate, 2-upper flange plate, 3-perforated steel plate, 4-first penetrating steel bar, 5-upper corrugated positioning block, 6-lower flange plate, 7-equilateral perforated angle steel, 8-second penetrating steel bar, 9-U-shaped steel bar, 10-lower corrugated positioning block and 11-transverse reinforcing support rod.
Detailed Description
The technical scheme of the utility model is further explained by the specific implementation mode in combination with the attached drawings.
Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; to better illustrate the embodiments of the present invention, some components of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product.
Referring to fig. 1 to 5, the novel corrugated steel web box girder structure comprises corrugated steel web support structures symmetrically arranged between a top plate of an upper cross beam and a bottom plate of a lower cross beam, wherein each corrugated steel web support structure comprises a corrugated steel web 1, an upper connection reinforcing mechanism arranged at the upper end of the corrugated steel web 1 and a lower connection reinforcing mechanism arranged at the lower end of the corrugated steel web 1;
the side surface of the corrugated steel web plate 1 is provided with transverse reinforcing support rods 11, and the transverse reinforcing support rods 11 are horizontally distributed in a V-shaped area on the side surface of the corrugated steel web plate 1;
the upper end of the upper connecting and reinforcing mechanism is poured into the top plate of the upper cross beam, and the lower end of the lower connecting and reinforcing mechanism is poured into the bottom plate of the lower cross beam.
In this embodiment, the upper connection reinforcing mechanism includes an upper flange plate 2, perforated steel plates 3, upper corrugated positioning blocks 5 and a first through reinforcing bar 4, the upper flange plate 2 is welded to the upper end of the corrugated steel web 1, the upper corrugated positioning blocks 5 are arranged at the lower end of the upper flange plate 2, the upper end of the corrugated steel web 1 is fastened and connected to the upper corrugated positioning blocks 5 through secondary fasteners, the two perforated steel plates 3 are horizontally arranged at the upper end of the upper flange plate 2, and the first through reinforcing bar 4 horizontally penetrates through the perforated steel plates 3;
the first through steel bar 4 is perpendicular to the extending direction of the upper flange plate 2;
the perforated steel plate 3 and the penetrating steel bars 4 are both poured in the top plate of the upper cross beam.
In this embodiment, the lower connection reinforcing mechanism includes a lower flange plate 6, an opening equilateral angle steel 7, a lower waveform positioning block 10, a U-shaped steel bar 9 and a second through steel bar 8, the lower flange plate 6 is welded to the lower end of the waveform steel web plate 1, the lower waveform positioning block 10 is arranged at the upper end of the lower flange plate 6, the lower end of the waveform steel web plate 1 is fastened and connected with the lower waveform positioning block 10 through a secondary fastener, the plurality of opening equilateral angle steels 7 are arranged at the lower end of the lower flange plate 6 side by side at equal intervals, a vertical U-shaped steel bar 9 is arranged on the side wall of each opening equilateral angle steel 7, and the second through steel bar 8 horizontally penetrates through the opening equilateral angle steel 7;
the second through reinforcing steel bars 8 are parallel to the extending direction of the lower flange plate 6;
and the opening equilateral angle steel 7, the second through reinforcing steel bars 8 and the U-shaped reinforcing steel bars 9 are all poured in the bottom plate of the lower cross beam.
In this embodiment, the U-shaped reinforcement 9 is open downwards.
Has the beneficial effects that: when the corrugated steel web box girder is used, the transverse reinforcing support rods 11 are symmetrically arranged on the side surface of the corrugated steel web 1, the upper end of the upper connecting reinforcing mechanism is poured into the top plate of the upper cross beam, the lower end of the lower connecting reinforcing mechanism is poured into the bottom plate of the lower cross beam, the transverse and longitudinal deformation resistance of the corrugated steel web box girder is improved, the upper end and the lower end of the corrugated steel web 1 are fastened through the upper corrugated positioning block 6 and the lower corrugated positioning block 10 and the secondary fastening piece, the structural strength and the supporting stability of a connecting part are improved, the cost is low, and the overall structural strength of the corrugated steel web box girder is improved.
The corrugated steel web box girder has a simple structure, the transverse and longitudinal deformation resistance of the corrugated steel web box girder is improved by carrying out structural improvement and structural optimization on the corrugated steel web supporting structure, the structural strength and the supporting stability of the connecting part are improved, and the cost is lower.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; 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 (4)
1. A novel corrugated steel web box girder structure comprises corrugated steel web supporting structures symmetrically arranged between an upper beam top plate and a lower beam bottom plate, and is characterized in that each corrugated steel web supporting structure comprises a corrugated steel web (1), an upper connection reinforcing mechanism arranged at the upper end of the corrugated steel web (1) and a lower connection reinforcing mechanism arranged at the lower end of the corrugated steel web (1);
the side surface of the corrugated steel web plate (1) is provided with transverse reinforcing support rods (11), and the transverse reinforcing support rods (11) are horizontally distributed in V-shaped areas on the side surface of the corrugated steel web plate (1);
the upper end of the upper connecting and reinforcing mechanism is poured into the top plate of the upper cross beam, and the lower end of the lower connecting and reinforcing mechanism is poured into the bottom plate of the lower cross beam.
2. The novel corrugated steel web box girder structure of claim 1, wherein the upper connection reinforcing mechanism comprises an upper flange plate (2), an open pore steel plate (3), an upper corrugated positioning block (5) and a first through reinforcing steel bar (4), the upper flange plate (2) is welded with the upper end of the corrugated steel web (1), the upper corrugated positioning block (5) is arranged at the lower end of the upper flange plate (2), the upper end of the corrugated steel web (1) is fixedly connected with the upper corrugated positioning block (5) through a secondary fastener, the two open pore steel plates (3) are horizontally arranged at the upper end of the upper flange plate (2), and the first through reinforcing steel bar (4) horizontally penetrates through the open pore steel plates (3);
the first through reinforcing steel bar (4) is perpendicular to the extending direction of the upper flange plate (2);
and the perforated steel plate (3) and the first through reinforcing steel bar (4) are both poured in the top plate of the upper cross beam.
3. The novel corrugated steel web box girder structure of claim 1, the lower connection reinforcing mechanism comprises a lower flange plate (6), perforated equilateral angle steel (7), a lower waveform positioning block (10), a U-shaped reinforcing steel bar (9) and a second through reinforcing steel bar (8), the lower flange plate (6) is welded with the lower end of the corrugated steel web plate (1), the lower corrugated positioning block (10) is arranged at the upper end of the lower flange plate (6), the lower end of the corrugated steel web plate (1) is fixedly connected with the lower corrugated positioning block (10) through a secondary fastener, a plurality of open-pore equilateral angle steels (7) are arranged at the lower end of the lower flange plate (6) side by side at equal intervals, the side wall of each open-pore equilateral angle steel (7) is provided with vertical U-shaped reinforcing steel bars (9), the second penetrating steel bar (8) horizontally penetrates through the perforated equilateral angle steel (7);
the second through reinforcing steel bar (8) is parallel to the extending direction of the lower flange plate (6);
and opening equilateral angle steel (7), a second through reinforcing steel bar (8) and the U-shaped reinforcing steel bar (9) are poured in the bottom plate of the lower cross beam.
4. A novel corrugated steel web box girder structure according to claim 3, characterized in that the U-shaped reinforcement bars (9) are open downwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220432797.2U CN216999249U (en) | 2022-03-01 | 2022-03-01 | Novel corrugated steel web box girder structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220432797.2U CN216999249U (en) | 2022-03-01 | 2022-03-01 | Novel corrugated steel web box girder structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216999249U true CN216999249U (en) | 2022-07-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220432797.2U Expired - Fee Related CN216999249U (en) | 2022-03-01 | 2022-03-01 | Novel corrugated steel web box girder structure |
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| Country | Link |
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| CN (1) | CN216999249U (en) |
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2022
- 2022-03-01 CN CN202220432797.2U patent/CN216999249U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
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Granted publication date: 20220719 |