CN216379113U - Assembled corrugated steel web continuous composite beam - Google Patents
Assembled corrugated steel web continuous composite beam Download PDFInfo
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- CN216379113U CN216379113U CN202122818540.9U CN202122818540U CN216379113U CN 216379113 U CN216379113 U CN 216379113U CN 202122818540 U CN202122818540 U CN 202122818540U CN 216379113 U CN216379113 U CN 216379113U
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Abstract
The utility model discloses an assembled corrugated steel web continuous composite beam which is a box beam and comprises a concrete top plate, a web, a concrete bottom plate and a diaphragm plate; the concrete top plate is arranged at the upper end of the web plate, and a first embedding groove is formed in the bottom surface of the concrete top plate and is matched with the web plate; the web plates are wave-shaped web plates arranged between the concrete top plate and the concrete bottom plate, and the transverse partition plates are clamped between the symmetrically arranged web plates; the concrete bottom plate is arranged at the lower end of the web plate, and a second embedding groove is formed in the concrete bottom plate and is matched with the web plate for use; this combination beam can hoist the assembly when the installation, has effectively avoided the problem of cast in situ difficulty, and single structure's weight is little simultaneously, the transportation and the assembly of being convenient for, and both ends communicate with each other around the case roof beam, can effectively avoid the difference in temperature problem, have transportation convenience, assemble simple, characteristics that the efficiency of construction is high.
Description
Technical Field
The utility model belongs to the technical field of bridge engineering, and particularly relates to an assembled corrugated steel web continuous composite beam.
Background
The composite beam structure is provided with the concrete bridge deck at the top edge of the steel beam, the performance advantages of steel and concrete materials are fully utilized, the main stressed member is the steel girder structure, the consumption of the concrete materials is less, the environmental pollution is less, and the composite beam structure is widely applied to bridge engineering construction; traditional continuous beam bridge adopts prestressed concrete box girder structural style more, and concrete box girder bridge exists: the self weight is large, the web plate is made of heavy concrete, the engineering quantity of the steel bar is large, the size of a lower structure is large, and the total cost is high; the concrete box girder structure adopts a longitudinal, transverse and vertical three-dimensional prestress system, and the prestress leading-in efficiency is low; the construction speed of the concrete box girder sections is low, the number of the required sections is more due to the larger self weight, and the construction period is prolonged; longitudinal cracks of a top plate and oblique cracks of a web plate are easy to occur in operation of the prestressed concrete box girder, so that the section rigidity is reduced, and the mid-span deflection is large;
the continuous composite beam with the corrugated steel web is a novel and efficient structural form, is rapidly developed in foreign countries in this year, and is mainly characterized by comprising the following components in percentage by weight: the web plate is made of corrugated steel plates, so that the dead weight of the box girder is reduced, and the anti-seismic performance is good; the problem of cracking of the concrete box girder web can be avoided, and the durability is good; because the corrugated steel web plate does not resist the acting axial force, the prestressed concrete top plate and the prestressed concrete bottom plate can be effectively prestressed, the structural performance is improved, and the efficiency of steel and concrete materials is fully exerted; in addition, the external prestressed cable is adopted, the complex process of pre-burying the pipeline in the concrete web is avoided, the assembling and dismantling operations of reinforcing steel bars and templates are correspondingly reduced, the construction period is shortened, compared with the traditional prestressed concrete box girder bridge, the bridge model is closed, and the construction cost can be reduced by 10-20%;
however, in the construction engineering of the traditional corrugated steel web continuous composite beam, the following problems still exist:
(1) the construction method adopts cast-in-place at most, the cast-in-place workload is large, the integral structure is heavy in weight and difficult to transport and hoist;
(2) a large amount of labor is needed, the construction time is long, the transportation and pouring dangerousness is high, and the efficiency is low;
(3) most of traditional corrugated steel web plate combined box girders are closed sections, the difference between the internal temperature and the external temperature of the box girders is large, the difference between the internal temperature and the external temperature is easy to generate additional stress on a concrete top plate and a concrete bottom plate, and the adverse effect on the structure is easy to generate;
therefore, it is desirable to design a fabricated corrugated steel web continuous composite beam to overcome the above problems of the prior art.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model aims to provide the assembled corrugated steel web continuous composite beam, the traditional beam is divided into four parts, namely a concrete top plate, a web plate, a concrete bottom plate and a transverse partition plate, and the prefabricated corrugated steel web continuous composite beam can be hoisted and assembled during installation, so that the problem of difficulty in on-site pouring is effectively solved, meanwhile, the composite beam is small in weight due to a single structure, convenient to transport and assemble, and the front end and the rear end of the box beam are communicated, so that the problem of temperature difference can be effectively avoided, and the assembled corrugated steel web continuous composite beam has the characteristics of convenience in transport, simplicity in assembly and high construction efficiency.
In order to achieve the purpose, the technical scheme adopted by the utility model is as follows:
an assembled corrugated steel web continuous composite beam is a box beam and comprises a concrete top plate, a web, a concrete bottom plate and a diaphragm plate;
the concrete top plate is arranged at the upper end of the web plate, a first embedding groove is formed in the bottom surface of the concrete top plate, and the first embedding groove is matched with the web plate for use;
the web is a corrugated web arranged between the concrete top plate and the concrete bottom plate, the corrugated web is formed by connecting a plurality of thin-wall steel plates, and the diaphragm plates are clamped between the symmetrically arranged webs;
the concrete bottom plate is arranged at the lower end of the web plate, and a second embedding groove is formed in the concrete bottom plate and is matched with the web plate for use;
the first embedding groove and the second embedding groove are both provided with a shear connector, and the first embedding groove and the second embedding groove are connected with the web plate through the shear connectors.
Preferably, the shear connector is corrugated groove steel pre-embedded in the first embedding groove and the second embedding groove, and a plurality of connecting holes are equidistantly formed in the shear connector and are matched with the fixed connection holes formed in the web plate.
Preferably, the thin-wall steel plates and the diaphragm plates are both corrugated steel plates, wherein two end parts of the diaphragm plates are tightly propped in wave troughs of the two thin-wall steel plates which are symmetrically arranged.
Preferably, the fixed connection holes are arranged at the wave crests on the outer side of the thin-wall steel plate and are matched with the connection holes arranged at the corresponding positions of the shear connectors for use.
Preferably, the inner side surface of the bottom plate of the concrete bottom plate is also provided with a plurality of prestressed steel cables.
Preferably, the bottom surface of the concrete top plate is further provided with a pull ring, the pull ring is matched with a pull hole formed in the concrete bottom plate for use, and the pull ring is connected with the pull hole through a pull cable.
Preferably, two adjacent thin-walled steel plates between through quick connect mechanism dislocation connection, quick connect mechanism includes connecting bolt, even board and fastening nut, even the board sticiss at the lateral surface of two adjacent thin-walled steel plate junctions, and all be provided with the screw and use with the connecting bolt cooperation in the junction of even board and thin-walled steel plate, fastening nut sets up the inboard at the thin-walled steel plate, and is connected with connecting bolt.
Preferably, the joints of the two adjacent thin-wall steel plates are provided with notches, and the notches are welded in an upright welding mode.
Preferably, the thickness of the thin-wall steel plate is 8-30 mm.
The utility model has the beneficial effects that: the utility model discloses an assembled corrugated steel web continuous composite beam, which is improved in the following aspects compared with the prior art:
(1) the utility model designs an assembled corrugated steel web continuous composite beam, which comprises a concrete top plate, a web, a concrete bottom plate and a transverse clapboard, wherein the traditional composite beam is divided into four parts, namely the concrete top plate, the web, the concrete bottom plate and the transverse clapboard, for prefabrication, so that the hoisting assembly of a single structure can be realized during the installation, the problem of difficulty in-situ pouring is effectively avoided, meanwhile, the single structure is light in weight and convenient to transport and assemble, the front end and the rear end of a box beam are communicated, the problem of temperature difference can be effectively avoided, and the installation is simple and convenient;
(2) meanwhile, two adjacent thin-wall steel plates are connected in a staggered mode through the quick connecting mechanism, so that the web plates are connected and installed quickly, and the assembling efficiency is guaranteed; after the two adjacent thin-wall steel plates are connected by the quick connecting mechanism, the connecting part of the two adjacent thin-wall steel plates is provided with the cut-outs, and the cut-outs are welded in a vertical welding mode, so that the web plates can be effectively prevented from being partially bent, the supporting force of the web plates is guaranteed, and the quick connecting mechanism has the advantages of convenience in transportation, simplicity in assembly and high construction efficiency.
Drawings
Fig. 1 is a schematic structural diagram of the fabricated corrugated steel web continuous composite beam of the present invention.
Fig. 2 is a sectional view of the fabricated corrugated steel web continuous composite beam according to the present invention.
FIG. 3 is a schematic view of the concrete top plate of the present invention with its top surface facing upward.
FIG. 4 is a schematic view of the concrete top plate of the present invention with its bottom surface facing upward.
Fig. 5 is a schematic structural view of the web of the present invention.
Fig. 6 is a schematic structural view of the concrete floor of the present invention.
Fig. 7 is an exploded view from above of the thin-walled steel sheet joint of the present invention.
Fig. 8 is a schematic structural view of the quick connect mechanism of the present invention.
Fig. 9 is an elevational view of the web of the present invention.
Fig. 10 is a sectional view of the fabricated corrugated steel web continuous composite beam according to the present invention.
Wherein: 1. the concrete structure comprises a concrete top plate, 11 parts of a first embedded groove, 12 parts of a pair of pull rings, 2 parts of a web plate, 21 parts of a thin-wall steel plate, 22 parts of a fixed connection hole, 3 parts of a concrete bottom plate, 31 parts of a prestressed steel cable, 32 parts of a second embedded groove, 33 parts of a pair of pull holes, 4 parts of a transverse partition plate, 5 parts of a pair of pull steel cables, 6 parts of a connecting bolt, 7 parts of a connecting plate, 8 parts of a fastening nut, 9 parts of a cut and 10 parts of a shear connector.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the following further describes the technical solution of the present invention with reference to the drawings and the embodiments.
Referring to the attached drawings 1-10, the fabricated corrugated steel web continuous composite beam is a box beam and comprises a concrete top plate 1, a web 2, a concrete bottom plate 3 and a diaphragm plate 4;
the concrete top plate 1 is arranged at the upper end of the web plate 2, a first embedding groove 11 is formed in the bottom surface of the concrete top plate 1, the first embedding groove 11 is matched with the web plate 2 for use, namely, the upper end of the web plate 2 is embedded in the first embedding groove 11 during assembly;
the web plates 2 are corrugated web plates arranged between the concrete top plate 1 and the concrete bottom plate 3, the corrugated web plates are formed by connecting a plurality of thin-wall steel plates 21 so as to reduce the overall weight of the box girder, and the transverse partition plates 4 are clamped between the symmetrically arranged web plates 2 and used for supporting the web plates 2 in the assembling process;
the concrete bottom plate 3 is arranged at the lower end of the web plate 2, the concrete bottom plate 3 is provided with a second embedding groove 32, and the second embedding groove 32 is matched with the web plate 2 for use, namely, the lower end of the web plate 2 is embedded in the second embedding groove 32 during assembly.
Preferably, in order to prevent the first fitting groove 11 and the second fitting groove 32 from being damaged by shearing force during use, the shear connectors 10 are disposed (cast in advance) in both the first fitting groove 11 and the second fitting groove 32, and are connected to the web 2 through the shear connectors 10.
Preferably, the shear connector 10 is a corrugated channel steel pre-embedded in the first embedding groove 11 and the second embedding groove 32, and in order to facilitate the utilization of the web 2 to connect the concrete top plate 1 with the concrete bottom plate 3, a plurality of connecting holes are equidistantly formed in the shear connector 10, and the connecting holes are matched with the fixing holes 22 formed in the web 2, that is, the connecting holes and the fixing holes 22 are penetrated by bolts to connect the concrete top plate 1 with the concrete bottom plate 3.
Preferably, for supporting, the thin-walled steel plates 21 and the diaphragm plates 4 are both corrugated steel plates, wherein when being installed, the two end portions of the diaphragm plates 4 are tightly pressed in the wave troughs of the two thin-walled steel plates 21 which are symmetrically arranged.
Preferably, for convenience of installation and connection, the fastening holes 22 are formed at the outer wave crests of the thin-wall steel plate 21 and are used in cooperation with the connection holes formed at the corresponding positions of the shear connector 10.
Preferably, the cross section of the concrete top plate 1 is wider than that of the concrete bottom plate 3, and in order to enhance the strength of the concrete bottom plate 3, a plurality of prestressed steel cables 31 are further arranged on the inner side surface of the concrete bottom plate 3.
Preferably, for being convenient for after assembling, fix concrete roof 1, web 2 and concrete floor 3 concrete roof 1's bottom surface on still be provided with pull ring 12, to pull ring 12 and the cooperation of the counter-bore 33 that sets up on concrete floor 3 use, and to pull ring 12 and counter-bore 33 through being connected to pull cable 5, during the use, be connected concrete roof 1 and concrete floor 3 through using counter-pull cable 5, fix concrete roof 1, web 2 and concrete floor 3.
Preferably, connect two adjacent thin-walled steel sheet 21 for being convenient for, two adjacent thin-walled steel sheet 21 between connect through quick connect mechanism dislocation connection, quick connect mechanism includes connecting bolt 6, even board 7 and fastening nut 8, even board 7 sticiss at the lateral surface of two adjacent thin-walled steel sheet 21 junctions, and all be provided with the screw and use with connecting bolt 6 cooperation in even board 7 and thin-walled steel sheet 21's junction, fastening nut 8 sets up in thin-walled steel sheet 21's inboard, and is connected with connecting bolt 6, connects two adjacent thin-walled steel sheet 21 through connecting bolt 6, forms web 2.
Preferably, the connecting parts of the two adjacent thin-wall steel plates 21 are provided with the notches 9, the notches 9 are welded in a vertical welding mode to form connection of the inner and outer notches 9, the web plate is prevented from being partially bent, and therefore the supporting force of the web plate is guaranteed.
Preferably, the thickness of the thin-wall steel plate 21 is 8-30 mm.
The assembling process of the assembled corrugated steel web continuous composite beam comprises the following steps:
firstly, hoisting a concrete bottom plate 3; after the concrete bottom plate 3 is hoisted, assembling the thin-wall steel plates 21 according to the length of the concrete bottom plate 3, namely assembling every two adjacent thin-wall steel plates 21 by using a quick connecting mechanism to form a web 2, hoisting and installing the web 2, and bolting by bolts; and after the installation of the formed web 2 is finished, hoisting the concrete top plate 1. The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (9)
1. The utility model provides a continuous composite beam of assembled wave form steel web which characterized in that: the combined beam is a box beam and comprises a concrete top plate (1), a web plate (2), a concrete bottom plate (3) and a diaphragm plate (4);
the concrete top plate (1) is arranged at the upper end of the web plate (2), a first embedding groove (11) is formed in the bottom surface of the concrete top plate (1), and the first embedding groove (11) is matched with the web plate (2) for use;
the web (2) is a corrugated web arranged between the concrete top plate (1) and the concrete bottom plate (3), the corrugated web is formed by connecting a plurality of thin-wall steel plates (21), and the diaphragm plates (4) are clamped between the symmetrically arranged webs (2);
the concrete bottom plate (3) is arranged at the lower end of the web plate (2), a second embedding groove (32) is formed in the concrete bottom plate (3), and the second embedding groove (32) is matched with the web plate (2) for use;
the first embedding groove (11) and the second embedding groove (32) are both internally provided with a shear connector (10) which is connected with the web (2) through the shear connector (10).
2. The fabricated corrugated steel web continuous composite beam of claim 1, wherein: the shear connector (10) is a corrugated channel steel pre-buried in the first embedding groove (11) and the second embedding groove (32), and a plurality of connecting holes are equidistantly formed in the shear connector (10) and are matched with the fixed connection holes (22) formed in the web plate (2) for use.
3. The fabricated corrugated steel web continuous composite beam of claim 2, wherein: the thin-wall steel plates (21) and the diaphragm plates (4) are both corrugated steel plates, wherein the two end parts of the diaphragm plates (4) are tightly propped in wave troughs of the two thin-wall steel plates (21) which are symmetrically arranged.
4. The fabricated corrugated steel web continuous composite beam of claim 3, wherein: the fixed connection holes (22) are arranged at the outer side wave crests of the thin-wall steel plate (21) and are matched with the connection holes arranged at the corresponding positions of the shear connectors (10) for use.
5. The fabricated corrugated steel web continuous composite beam of claim 1, wherein: and a plurality of prestressed steel cables (31) are also arranged on the inner side surface of the bottom plate of the concrete bottom plate (3).
6. The fabricated corrugated steel web continuous composite beam of claim 1, wherein: the concrete roof is characterized in that a pair of pull rings (12) are further arranged on the bottom surface of the concrete roof (1), the pair of pull rings (12) are matched with a pair of pull holes (33) formed in the concrete bottom plate (3) for use, and the pair of pull rings (12) are connected with the pair of pull holes (33) through a pair of pull steel cables (5).
7. The fabricated corrugated steel web continuous composite beam of claim 1, wherein: two adjacent thin-walled steel sheet (21) between connect through quick connect mechanism dislocation, quick connect mechanism includes connecting bolt (6), links board (7) and fastening nut (8), link board (7) sticiss at the lateral surface of two adjacent thin-walled steel sheet (21) junctions, and all be provided with the screw and use with connecting bolt (6) cooperation in the junction of linking board (7) and thin-walled steel sheet (21), fastening nut (8) set up the inboard at thin-walled steel sheet (21), and are connected with connecting bolt (6).
8. The fabricated corrugated steel web continuous composite beam of claim 7, wherein: the connecting parts of the two adjacent thin-wall steel plates (21) are provided with notches (9), and the notches (9) are welded in an upright welding mode.
9. The fabricated corrugated steel web continuous composite beam of claim 1, wherein: the thickness of the thin-wall steel plate (21) is 8-30 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122818540.9U CN216379113U (en) | 2021-11-17 | 2021-11-17 | Assembled corrugated steel web continuous composite beam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122818540.9U CN216379113U (en) | 2021-11-17 | 2021-11-17 | Assembled corrugated steel web continuous composite beam |
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| Publication Number | Publication Date |
|---|---|
| CN216379113U true CN216379113U (en) | 2022-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122818540.9U Active CN216379113U (en) | 2021-11-17 | 2021-11-17 | Assembled corrugated steel web continuous composite beam |
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| CN (1) | CN216379113U (en) |
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2021
- 2021-11-17 CN CN202122818540.9U patent/CN216379113U/en active Active
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