CN210086030U - Connecting device of assembled steel-concrete composite beam - Google Patents
Connecting device of assembled steel-concrete composite beam Download PDFInfo
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- CN210086030U CN210086030U CN201920689350.1U CN201920689350U CN210086030U CN 210086030 U CN210086030 U CN 210086030U CN 201920689350 U CN201920689350 U CN 201920689350U CN 210086030 U CN210086030 U CN 210086030U
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Abstract
The utility model relates to a construction method of steel-concrete composite beam connection position provides a connecting device of assembled steel-concrete composite beam. The connecting device of the assembled steel-concrete composite beam is used for connecting a precast concrete bridge deck and a steel beam; the middle part of the lower end surface of the precast concrete bridge deck is provided with a through groove arranged along the length direction of the precast concrete bridge deck; the steel beam is I-shaped steel; the middle part of the upper end surface of the steel beam is provided with a ribbed slab which protrudes upwards; the rib plate is positioned in the through groove of the precast concrete bridge deck and is in clearance fit with the through groove; the gap between the rib plate and the through groove is filled with grouting material; the lower end face of the precast concrete bridge deck is attached to the upper end face of the steel beam; the two ends of the gap between the rib plate and the through groove are respectively sealed by end plates. The utility model discloses an effective connection between the reinforced concrete composite beam ensures the construction quality at connection position, has practiced thrift the time limit for a project simultaneously, has improved the efficiency of construction, has that the construction speed is fast, construction quality is good, economical and practical's characteristics.
Description
Technical Field
The utility model relates to a construction method at steel-concrete composite beam connection position, concretely relates to connecting device of assembled steel-concrete composite beam.
Background
At present, in the construction process of a steel-concrete composite structure bridge, on-site connection is often adopted between a steel member and a concrete bridge deck, specifically, post-cast shear nails are arranged on the steel member, reserved holes are arranged on the concrete bridge deck, splicing is carried out on the site, and concrete wet joints are poured on the post.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem that the connection position appears in the current steel-concrete composite structure bridge work progress, the utility model aims at providing a connecting device of assembled steel-concrete composite beam.
The utility model adopts the following technical scheme for accomplishing the above purpose:
a connecting device of an assembled steel-concrete composite beam is used for connecting a precast concrete bridge deck with a steel beam; the middle part of the lower end face of the precast concrete bridge deck is provided with a through groove arranged along the length direction of the precast concrete bridge deck; the steel beam is I-shaped steel; the middle part of the upper end surface of the steel beam is provided with a rib plate protruding upwards; the rib plate is positioned in the through groove of the precast concrete bridge deck and is in clearance fit with the through groove; the gap between the rib plate and the through groove is filled with grouting material; the lower end surface of the precast concrete bridge deck is attached to the upper end surface of the steel beam; two ends of a gap between the rib plate and the through groove are respectively sealed by end plates; the end plate is provided with a grouting hole for communicating the clearance between the rib plate and the through groove.
And a sealing strip is arranged between the lower end face of the precast concrete bridge deck and the upper end face of the steel beam.
The utility model provides a connecting device of assembled steel-concrete composite beam, through the design of the logical groove of design on the precast concrete decking and girder steel upper rib plate, and the clearance intussuseption between floor and logical groove is filled with the grout material, it is filling the grout material, carry out the technological means of shutoff mud jacking through the mud jacking hole of reserving on the end plate, the release of effective control prestressing steel beam stress, reach the purpose that girder steel and precast beam body effectively combine, effective connection between the steel-concrete composite beam has been realized, the construction quality at connection position is ensured, the time limit for a project has been practiced thrift simultaneously, the efficiency of construction is improved, it is fast to have the construction speed, construction quality is good, economical and practical's characteristics.
Drawings
FIG. 1 is a schematic view of a concrete deck structure;
FIG. 2 is a schematic view of a steel beam structure;
FIG. 3 is a schematic view of the end plate construction;
FIG. 4 is a front view of the assembled steel-concrete composite beam connection;
FIG. 5 is a side view of an assembled steel and concrete composite beam connection;
in the figure: 1. the concrete bridge comprises a precast concrete bridge deck, 1-1 through grooves, 2 steel beams, 2-1 rib plates, 3 sealing strips, 4 end plates, 4-1 grouting holes and 5 grouting materials.
Detailed Description
The invention is described in connection with the accompanying drawings and the embodiments:
as shown in fig. 4 and 5, a connecting device for an assembly type steel-concrete composite girder is used for connecting a precast concrete deck 1 with a steel girder 2; referring to fig. 1, the middle of the lower end surface of the precast concrete deck slab 1 is provided with a through groove 1-1 arranged along the length direction of the precast concrete deck slab; referring to fig. 2, the steel beam 2 is an i-beam; the middle part of the upper end face of the steel beam is provided with a ribbed slab 2-1 which protrudes upwards; the rib plate 2-1 is positioned in the through groove 1-1 of the precast concrete bridge deck 1 and is in clearance fit with the through groove 1-1; the gap between the rib plate and the through groove is filled with grouting material 5; the lower end surface of the precast concrete bridge deck 1 is attached to the upper end surface of the steel beam 2; two ends of a gap between the rib plate and the through groove are respectively sealed by end plates 4; referring to fig. 3, the end plate 4 has grouting holes 4-1 communicating the gaps between the ribs and the through grooves.
And a sealing strip 3 is arranged between the lower end surface of the precast concrete bridge deck and the upper end surface of the steel beam.
After the precast concrete bridge deck 1 is installed on the steel beam 2, installing an end plate 4 on the end surface of the connecting part of the precast concrete bridge deck 1 and the steel beam 2, temporarily fixing the end plate 4, arranging a reserved grouting hole 4-1 on the end plate 4, filling grouting material 5 in the gap of the connecting part of the precast concrete bridge deck 1 and the steel beam 2 through the grouting hole 4-1, and densely filling the gap of the connecting part of the precast concrete bridge deck 1 and the steel beam 2 through the grouting material 5; and stopping grouting after the grouting amount and the grouting pressure meet the requirements, and dismantling the end plate 5 after the grouting strength meets the requirements, so that the connection of the assembled steel-concrete composite beam is completed, the construction efficiency can be greatly improved, and the construction quality can be effectively controlled.
When the components such as a concrete bridge deck and the like are prefabricated, a through groove is reserved at a steel-concrete connecting part, the shape of the through groove is consistent with that of a ribbed plate of the components such as a steel beam, the size of the through groove is slightly larger than that of the ribbed plate of the components such as the steel beam, the installation is convenient, enough space is guaranteed to carry out grouting, meanwhile, the processing quality of the ribbed plate is strictly controlled during the steel beam processing, the installation precision is guaranteed, after the concrete components such as the bridge deck and the steel components such as the steel beam are installed, the gap at the outer side of the connecting part is sealed by using a sealing strip, an end plate is installed at the end of an assembled steel-concrete structure segment, a grouting hole is reserved, after the sealing effect meets the requirement, grouting is carried out to the steel-concrete connecting part through the grouting hole, the sealing effect is checked, after the grouting amount and the grouting pressure meet the requirements, grouting is stopped, and after the strength, the construction speed is high, and the construction quality can be effectively controlled.
Finally, it is noted that the above preferred embodiments have been given by way of illustration and not limitation, and that while the invention has been described in detail with reference to the preferred embodiments described above, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the scope of the invention as defined by the appended claims.
Claims (2)
1. The utility model provides a connecting device of assembled steel-concrete composite beam which characterized in that: the connecting device is used for connecting the precast concrete bridge deck with the steel beam; the middle part of the lower end face of the precast concrete bridge deck is provided with a through groove arranged along the length direction of the precast concrete bridge deck; the steel beam is I-shaped steel; the middle part of the upper end surface of the steel beam is provided with a rib plate protruding upwards; the rib plate is positioned in the through groove of the precast concrete bridge deck and is in clearance fit with the through groove; the gap between the rib plate and the through groove is filled with grouting material; the lower end surface of the precast concrete bridge deck is attached to the upper end surface of the steel beam; two ends of a gap between the rib plate and the through groove are respectively sealed by end plates; the end plate is provided with a grouting hole for communicating the clearance between the rib plate and the through groove.
2. A connecting device of an assembled steel-concrete composite girder according to claim 1, wherein: and a sealing strip is arranged between the lower end face of the precast concrete bridge deck and the upper end face of the steel beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920689350.1U CN210086030U (en) | 2019-05-15 | 2019-05-15 | Connecting device of assembled steel-concrete composite beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920689350.1U CN210086030U (en) | 2019-05-15 | 2019-05-15 | Connecting device of assembled steel-concrete composite beam |
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| Publication Number | Publication Date |
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| CN210086030U true CN210086030U (en) | 2020-02-18 |
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| CN201920689350.1U Active CN210086030U (en) | 2019-05-15 | 2019-05-15 | Connecting device of assembled steel-concrete composite beam |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111549643A (en) * | 2020-05-29 | 2020-08-18 | 中铁桥研科技有限公司 | Steel-concrete composite bridge and construction method thereof |
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2019
- 2019-05-15 CN CN201920689350.1U patent/CN210086030U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111549643A (en) * | 2020-05-29 | 2020-08-18 | 中铁桥研科技有限公司 | Steel-concrete composite bridge and construction method thereof |
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