CN220433439U - Splicing device for splicing wide prefabricated T-beam bridge - Google Patents
Splicing device for splicing wide prefabricated T-beam bridge Download PDFInfo
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- CN220433439U CN220433439U CN202321743782.9U CN202321743782U CN220433439U CN 220433439 U CN220433439 U CN 220433439U CN 202321743782 U CN202321743782 U CN 202321743782U CN 220433439 U CN220433439 U CN 220433439U
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 44
- 239000010959 steel Substances 0.000 claims abstract description 44
- 230000002787 reinforcement Effects 0.000 abstract description 7
- 238000000034 method Methods 0.000 description 6
- 238000005553 drilling Methods 0.000 description 5
- 238000007789 sealing Methods 0.000 description 4
- 229910003460 diamond Inorganic materials 0.000 description 3
- 239000010432 diamond Substances 0.000 description 3
- 239000003292 glue Substances 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007943 implant Substances 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Abstract
The utility model provides a splicing device for a spliced wide prefabricated T-beam bridge. The splicing device for the spliced wide prefabricated T beam bridge comprises a transverse plate, wherein two ends of the transverse plate respectively abut against one end of the surfaces of an old T beam and a new T beam; a support structure supported between the old T-beam and the new T-beam; the positioning structure is arranged on the side wall of the anchor rod; the connecting structure is arranged on the side walls of the old T beam and the new T beam; the sleeve is abutted against the side wall of the I-steel; and the transverse steel bars are fixed on the side walls of the pull rods. The splicing device for the spliced wide prefabricated T-beam bridge has the advantages of improving the rigidity of a cast-in-place section of a diaphragm beam, improving the durability of the structure, effectively avoiding the generation of cracks, prolonging the service life of the spliced wide bridge, and improving the driving efficiency under the conditions of lane closure and the like caused by bridge overhaul, splicing and reinforcement.
Description
Technical Field
The utility model relates to the technical field of splicing of old and new bridges, in particular to a splicing device for a spliced wide prefabricated T-beam bridge.
Background
With the development of transportation in China, the existing bridge structure is more and more difficult to meet the current requirements, and the bearing capacity and load requirements of the existing bridge structure cannot meet the current relevant standards; the technical reconstruction measures of the existing bridge are enhanced, the powerful widening treatment is carried out on the existing bridge, the traffic capacity of the bridge is improved, the bearing performance of the bridge is improved, and the development of the traffic field is widened; the traditional T-beam bridge splicing mode is to achieve the purpose of not interrupting traffic under the condition of large traffic, the new bridge beam plate and the old bridge beam plate are connected only through the common concrete cast-in-situ wet joint and the diaphragm beam, the bridge deck concrete pavement layer is continuously paved, the construction difficulty is low, the process is simple, the connection part is damaged to form a longitudinal crack due to the asynchronous deformation of the upper beam plate under the action of various loads in the later period, and the splicing effect is not ideal.
Some prefabricated T bridging are with splicing apparatus now, can implant new reinforcing bar in bridge concatenation work progress inevitably in order to guarantee the connection of new and old bridge and the quality of bridge, but when planting the muscle construction, lead to the fact the destruction to the existing reinforcing bar on the old bridge easily, influence the bearing capacity and the quality of whole bridge, not only reduced the durability of structure, still reduced and pieced together wide bridge life, and in bridge concatenation in-process, the vehicle of passing also can cause certain influence to the bearing capacity of bridge self, also can influence the concatenation quality of bridge simultaneously.
Therefore, it is necessary to provide a new splicing device for splicing wide prefabricated T-beam bridges to solve the above technical problems.
Disclosure of Invention
In order to solve the technical problems, the utility model provides the splicing device for the spliced wide precast T-beam bridge, which can improve the rigidity of a cast-in-place section of a diaphragm beam, increase the durability of the structure, effectively avoid the generation of cracks, prolong the service life of the spliced wide bridge, and also avoid the improvement of the driving efficiency under the conditions of lane closure and the like caused by bridge overhaul, splicing and reinforcement.
The splicing device for the spliced wide prefabricated T-beam bridge provided by the utility model comprises the following components: the two ends of the transverse plate are respectively abutted against one end of the surfaces of the old T beam and the new T beam; the support structure is supported between the old T beam and the new T beam and comprises I-steel and an anchor rod, wherein the I-steel is supported between the old T beam and the new T beam, and the anchor rod penetrates through the side wall of the I-steel; the positioning structure is arranged on the side wall of the anchor rod and comprises an upright rod and a connecting piece, the connecting piece is arranged on the side wall of the anchor rod, and the upright rod is arranged at the other end of the connecting piece; the connecting structure is arranged on the side walls of the old T beam and the new T beam and comprises a pull rod, nuts and a locating plate, wherein the locating plate is arranged on the old T beam and the new T beam, the pull rod penetrates through the side wall of the locating plate, and the nuts are connected to the two ends of the pull rod in a threaded manner; the sleeve is abutted against the side wall of the I-steel; the transverse steel bars are fixed on the side walls of the pull rods; and the diaphragm beam is poured between the old T beam and the new T beam.
Preferably, the anchor rod further penetrates through the side wall of the transverse plate, the vertical rod is vertically connected with the anchor rod through the connecting piece, and the vertical rod is in a vertical connection state with the transverse plate.
Preferably, the vertical rods are vertically connected with the I-steel through the connecting pieces and the anchor rods, and the side walls of the two opposite vertical rods are respectively abutted against the side walls of one ends of the old T-beam and the new T-beam.
Preferably, the side wall of the anchor rod is sleeved with the sleeve, and the sleeve is supported between the two I-steel bars.
Preferably, the pull rod is connected in series with the side walls of the old T beam and the new T beam, the nut is abutted against the side wall of the positioning plate, and the height of the pull rod is close to the position of the I-steel.
Preferably, the transverse reinforcement is fixed on the side wall of the pull rod through a binding wire, and the transverse reinforcement is fixed inside the transverse beam.
Compared with the related art, the splicing device for the spliced wide prefabricated T-beam bridge has the following beneficial effects:
the utility model provides a splicing device for a spliced-width prefabricated T-beam bridge, which comprises the steps of firstly drilling holes in the webs of the outer beams of an old T-beam and a new T-beam through a diamond water drilling machine, enabling the holes on the old T-beam and the new T-beam to be positioned at the same height and the same position, penetrating the old T-beam and the new T-beam through the connecting structure through the holes, enabling the old T-beam and the new T-beam to be connected together through the connecting structure, wedging the supporting structure between the old T-beam and the new T-beam according to the position of the connecting structure so as to prevent the deformation of a beam body, fixing the transverse steel bars on the connecting structure, erecting templates by taking the transverse steel bars as centers, and then respectively connecting the positioning structure with the supporting structure and the transverse plates in a vertical state, the positioning structure is used for positioning the transverse plates and the supporting structure, so that the transverse plates and the supporting structure cannot deviate in position when concrete is poured, then chemical glue hole sealing is injected into old T beams and new T beam web pore channels, finally concrete is poured into the interior of the template, the solidified concrete forms the transverse beams, and tensile stress caused by concrete shrinkage, creep, temperature and the like can be counteracted, so that the transverse beams have good cracking resistance and impermeability.
Drawings
FIG. 1 is a schematic view of a splicing apparatus for a prefabricated T-beam bridge according to a preferred embodiment of the present utility model;
FIG. 2 is a schematic view of the overall top view of FIG. 1;
FIG. 3 is a schematic view of the front cross-section of FIG. 1;
fig. 4 is a schematic structural diagram of a top-down section of the i-steel shown in fig. 2.
Reference numerals in the drawings: 1. the transverse plate, 2, location structure, 21, pole setting, 22, connecting piece, 3 bearing structure, 4, connection structure, 41, pull rod, 42, nut, 43, location plate, 5, old T roof beam, 6, new T roof beam, 7, sleeve pipe, 8, diaphragm roof beam, 9, diaphragm reinforcing bar.
Detailed Description
The utility model will be further described with reference to the drawings and embodiments.
Referring to fig. 1, fig. 2, fig. 3 and fig. 4 in combination, fig. 1 is a schematic structural diagram of a preferred embodiment of a splicing device for a prefabricated T-beam bridge; FIG. 2 is a schematic view of the overall top view of FIG. 1; FIG. 3 is a schematic view of the front cross-section of FIG. 1; FIG. 4 is a schematic top view of the I-beam shown in FIG. 2, illustrating a splicing apparatus for splicing a prefabricated T-beam bridge, comprising; the two ends of the transverse plate 1 are respectively abutted against one end of the surfaces of the old T beam 5 and the new T beam 6; the support structure 3 is supported between the old T beam 5 and the new T beam 6, the support structure 3 comprises I-steel and anchor rods, the I-steel is supported between the old T beam 5 and the new T beam 6, and the anchor rods penetrate through the side walls of the I-steel; the positioning structure 2 is arranged on the side wall of the anchor rod, the positioning structure 2 comprises a vertical rod 21 and a connecting piece 22, the connecting piece 22 is arranged on the side wall of the anchor rod, and the vertical rod 21 is arranged on the other end of the connecting piece 22; the connecting structure 4 is mounted on the side walls of the old T beam 5 and the new T beam 6, the connecting structure 4 comprises a pull rod 41, a nut 42 and a positioning plate 43, the positioning plate 43 is mounted on the old T beam 5 and the new T beam 6, the pull rod 41 penetrates through the side walls of the positioning plate 43, and the nut 42 is connected with two ends of the pull rod 41 in a threaded manner; the sleeve 7 is abutted against the side wall of the I-steel; a cross bar 9, the cross bar 9 being fixed to a side wall of the tie bar 41; and a diaphragm beam 8, wherein the diaphragm beam 8 is poured between the old T beam 5 and the new T beam 6.
In the implementation process, as shown in fig. 1, 2 and 3, the anchor rod further penetrates through the side wall of the transverse plate 1, the upright rod 21 is vertically connected with the anchor rod through the connecting piece 22, and the upright rod 21 and the transverse plate 1 are in a vertical connection state; the upright rods 21 are vertically connected with the I-steel through the connecting pieces 22 and the anchor rods, and the side walls of the two opposite upright rods 21 are respectively abutted against the side walls of one ends of the old T-beam 5 and the new T-beam 6.
The upright rod 21 is conveniently connected with the transverse plate 1 and the I-steel respectively through the connecting piece 22, and the transverse plate 1 and the I-steel are connected on the same position plane through the upright rod 21.
In the implementation process, as shown in fig. 1, the side wall of the anchor rod is sleeved with the sleeve 7, and the sleeve 7 is supported between the two i-beams.
In the implementation process, as shown in fig. 1 and 3, the pull rod 41 is connected in series with the side walls of the old T-beam 5 and the new T-beam 6, the nut 42 abuts against the side wall of the positioning plate 43, and the height of the pull rod 41 is close to the position of the i-steel.
The tie bars 41 are convenient to connect the old T-beam 5 and the new T-beam 6 in series, and the I-steel supports the old T-beam 5 and the new T-beam 6 to prevent the beam body from deforming.
In the specific implementation, as shown in fig. 3, the transverse reinforcement 9 is fixed to the side wall of the tie rod 41 by a tie wire, and the transverse reinforcement 9 is fixed to the inside of the transverse beam 8.
The quality of the poured diaphragm beams 8 is enhanced, so that the old T beams 5 and the new T beams 6 are connected more firmly.
The utility model provides a splicing device for a spliced wide prefabricated T-beam bridge, which has the following working principle:
when in use, firstly, the accurate positions of the pre-stress steel strands in the webs of the outer edge beams of the old bridge and the spliced edge beams of the widened bridge are detected, the interference between the pore canal and the pre-stress steel strands of the old T beam 5 and the pre-stress steel strands of the new T beam 6 are prevented, after accurate positioning, the outer edge webs of the old T beam 5 and the new T beam 6 are drilled by using a diamond water drilling machine, the heights of the outer edge beams are uniform, then the pull rod 41 is penetrated and drilled, the old T beam 5 and the new T beam 6 are connected in series, I-shaped steel is arranged at the two lateral sides of the old T beam 5 and the new T beam 6 and wedged, the pull rod 41 is tensioned, pre-stress is applied to the pre-stress steel, the supported I-shaped steel can prevent the beam body from deforming, then the two ends of the pull rod 41 are sleeved with the positioning plates 43, the nuts 42 are connected to the two ends of the pull rod 41 in a threaded manner, the nut 42 is driven to press the positioning plate 43 to press against the outer side walls of the old T beam 5 and the new T beam 6, the pull rod 41 is positioned, then chemical glue hole sealing is injected into a hole, the diaphragm 1 is symmetrically and transversely placed on the surfaces of the old T beam 5 and the new T beam 6 and symmetrically supported by the I-steel below, the upright rod 21 is erected to press against the opposite side walls of the old T beam 5 and the new T beam 6, the upright rod 21 is respectively in a vertical state with the diaphragm 1 and the I-steel, the diaphragm 1 and the I-steel are respectively connected in series through the anchor rod, when the I-steel is connected in series, the diaphragm 9 is bound on the side walls of the pull rod 41 through a binding wire, the diaphragm 9 is taken as a center erection template, the anchor rod is connected in series with the I-steel, meanwhile, the sleeve 7 is sleeved on the side wall of the anchor rod, two ends of the sleeve 7 are abutted against the side wall of the I-shaped steel, then the connecting piece 22 connects the upright rods 21 together, the upright rods 21 are crossed, the transverse plates 1 and the I-shaped steel are limited through the anchor rods, concrete is poured into the erected templates, the I-shaped steel and the templates can be removed after the strength of the cast-in-place concrete reaches 80%, and the solidified concrete forms the transverse beams 8, so that the connecting strength of the old T beams 5 and the new T beams 6 is enhanced.
Compared with the related art, the splicing device for the spliced wide prefabricated T-beam bridge has the following beneficial effects:
the utility model provides a splicing device for a spliced wide prefabricated T-beam bridge, which comprises the steps of firstly drilling holes in the outer beam webs of an old T-beam 5 and a new T-beam 6 through a diamond water drilling machine, enabling the drilled holes on the old T-beam 5 and the new T-beam 6 to be positioned at the same height and the same position, enabling a connecting structure 4 to penetrate through the old T-beam 5 and the new T-beam 6 through the drilled holes, enabling the old T-beam 5 and the new T-beam 6 to be connected together through the connecting structure 4, wedging a supporting structure 3 between the old T-beam 5 and the new T-beam 6 according to the position of the connecting structure 4 so as to prevent the beam body from deforming, fixing a transverse steel bar 9 on the connecting structure 4, erecting a template by taking the transverse steel bar 9 as the center, and then respectively connecting a positioning structure 2 with the supporting structure 3 and the transverse plate 1 in a vertical state, the positioning structure 2 is used for positioning the transverse plate 1 and the supporting structure 3, so that the transverse plate cannot deviate in position when concrete is poured, then chemical glue hole sealing is injected into the web pore channels of the old T beam 5 and the new T beam 6, finally concrete is poured into the interior of the template, the solidified concrete forms the transverse beam 8, and the tensile stress caused by concrete shrinkage, creep, temperature and the like can be counteracted, so that the transverse beam has good cracking resistance and impermeability, the rigidity of a cast-in-place section of the transverse beam 8 can be improved, the durability of the structure is improved, the generation of cracks is effectively avoided, the service life of a spliced wide bridge is prolonged, and the driving efficiency can be improved under the conditions of lane sealing and the like caused by bridge overhaul, splicing and reinforcement can be avoided.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.
Claims (6)
1. Splicing device for splicing wide prefabricated T beam bridges, which is characterized by comprising:
the two ends of the transverse plate (1) are respectively abutted against one end of the surfaces of the old T beam (5) and the new T beam (6);
the support structure (3), the support of the support structure (3) is between the old T-beam (5) and the new T-beam (6), the support structure (3) comprises I-steel and anchor rods, the I-steel is supported between the old T-beam (5) and the new T-beam (6), and the anchor rods penetrate through the side walls of the I-steel;
the positioning structure (2) is arranged on the side wall of the anchor rod, the positioning structure (2) comprises a vertical rod (21) and a connecting piece (22), the connecting piece (22) is arranged on the side wall of the anchor rod, and the vertical rod (21) is arranged on the other end of the connecting piece (22);
the connecting structure (4), the connecting structure (4) is installed on the side walls of the old T beam (5) and the new T beam (6), the connecting structure (4) comprises a pull rod (41), a nut (42) and a locating plate (43), the locating plate (43) is installed on the old T beam (5) and the new T beam (6), the pull rod (41) penetrates through the side walls of the locating plate (43), and the nut (42) is connected to two ends of the pull rod (41) in a threaded mode;
the sleeve (7) is abutted against the side wall of the I-steel;
a cross bar (9), wherein the cross bar (9) is fixed on the side wall of the pull rod (41);
and the diaphragm beam (8) is poured between the old T beam (5) and the new T beam (6).
2. The splicing device for the spliced wide prefabricated T-beam bridge according to claim 1, wherein the anchor rod further penetrates through the side wall of the transverse plate (1), the vertical rod (21) is vertically connected with the anchor rod through the connecting piece (22), and the vertical rod (21) and the transverse plate (1) are in a vertical connection state.
3. The splicing device for the spliced-width prefabricated T-beam bridge according to claim 2, wherein the upright rods (21) are vertically connected with the I-steel through the connecting pieces (22) and the anchor rods, and the side walls of the two opposite upright rods (21) are respectively abutted against the side walls of one ends of the old T-beam (5) and the new T-beam (6).
4. The splicing device for the spliced-width prefabricated T-beam bridge according to claim 1, wherein the side wall of the anchor rod is sleeved with the sleeve (7), and the sleeve (7) is supported between the two I-beams.
5. The splicing device for the spliced-width prefabricated T-beam bridge according to claim 1, wherein the pull rod (41) is connected in series with the side walls of the old T-beam (5) and the new T-beam (6), the nut (42) is abutted against the side wall of the positioning plate (43), and the pull rod (41) is close to the position of the I-steel in height.
6. The splicing device for a spliced wide prefabricated T-beam bridge according to claim 1, wherein the cross bar (9) is fixed to the side wall of the tie bar (41) by a tie wire, and the cross bar (9) is fixed to the inside of the cross beam (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321743782.9U CN220433439U (en) | 2023-07-05 | 2023-07-05 | Splicing device for splicing wide prefabricated T-beam bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321743782.9U CN220433439U (en) | 2023-07-05 | 2023-07-05 | Splicing device for splicing wide prefabricated T-beam bridge |
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| Publication Number | Publication Date |
|---|---|
| CN220433439U true CN220433439U (en) | 2024-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321743782.9U Active CN220433439U (en) | 2023-07-05 | 2023-07-05 | Splicing device for splicing wide prefabricated T-beam bridge |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117822410A (en) * | 2024-03-04 | 2024-04-05 | 中国建筑一局(集团)有限公司 | Steel-concrete combined diaphragm beam structure with transversely connected T beams and construction method |
-
2023
- 2023-07-05 CN CN202321743782.9U patent/CN220433439U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117822410A (en) * | 2024-03-04 | 2024-04-05 | 中国建筑一局(集团)有限公司 | Steel-concrete combined diaphragm beam structure with transversely connected T beams and construction method |
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