CN217758390U - Cantilever type steel box girder temporary consolidation structure - Google Patents
Cantilever type steel box girder temporary consolidation structure Download PDFInfo
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- CN217758390U CN217758390U CN202221487600.1U CN202221487600U CN217758390U CN 217758390 U CN217758390 U CN 217758390U CN 202221487600 U CN202221487600 U CN 202221487600U CN 217758390 U CN217758390 U CN 217758390U
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- steel box
- box girder
- pier
- leveling cushion
- steel
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Abstract
The utility model discloses a cantilever type steel box roof beam concreties structure temporarily, including the pier, be equipped with the steel box roof beam on the pier, vertically on steel box roof beam and the leveling cushion piece wear to be equipped with steel strand wires, steel strand wires wear to establish and arrange both ends around the steel box roof beam both sides side, steel strand wires's upper end is passed the steel box roof beam and is connected with last ground tackle, it presses the upper portion of establishing at the steel box roof beam to go up the ground tackle, steel strand wires's lower extreme passes the leveling cushion piece and is connected with lower anchor, lower anchor is pressed and is established the lower part at the leveling cushion piece, longitudinal arrangement is followed respectively in both sides to two leveling cushion pieces, the upper portion of leveling cushion piece and the lower part laminating contact of pier. The utility model has the advantages that: the steel strand is utilized to pull the leveling cushion block and the steel box girder in a counter-pulling manner, the leveling cushion block is pressed on the bridge pier, the buckling and locking of the steel box girder on the bridge pier are realized, the temporary consolidation of the steel box girder is realized, and unbalanced moment is offset; the temporary consolidation structure is simple, convenient to process, strong in operability and capable of being recycled.
Description
Technical Field
The utility model relates to a construction technical field specifically is a cantilever type steel box girder concreties structure temporarily.
Background
In recent years, with the continuous development of highways in mountainous areas, large-span steel box structures are widely applied under the promotion of advanced bridge technology and huge transportation requirements. Part bridge engineering receives the restriction of mountain and river topography conditions such as gorge area, adopts the cable hoist and mount system of collecting transportation and assembling in an organic whole to carry out steel box girder transportation and cantilever and assembles, because the construction of cable hoist and mount method only has a working face, can lead to the asymmetric construction of steel box girder certainly, to having unbalanced force all the time in the bolted connection steel box girder symmetrical balance cantilever construction that the cross-sectional height is higher, space size is big, not only need control steel box line type, camber in advance, bolt match hole, but also need eliminate unbalanced moment.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: the utility model provides a cantilever type steel box girder concreties structure temporarily, has solved the problem that there is the unbalance force all the time in the construction of current bolted connection steel box girder symmetry balance cantilever that the cross-sectional height is higher, spatial dimension is big.
The purpose of the utility model is realized through the following technical scheme:
a cantilever type steel box girder temporary consolidation structure comprises a pier, wherein a steel box girder is arranged on the pier, steel stranded wires vertically penetrate through the steel box girder and a leveling cushion block, the steel stranded wires penetrate through the front end and the rear end of two sides of the steel box girder, the upper ends of the steel stranded wires penetrate through the steel box girder and are connected with an upper anchorage device, the upper anchorage device is arranged on the upper portion of the steel box girder in a pressing mode, the lower ends of the steel stranded wires penetrate through the leveling cushion block and are connected with a lower anchorage device, the lower anchorage device is arranged on the lower portion of the leveling cushion block in a pressing mode, the two leveling cushion blocks are respectively arranged on two sides along the longitudinal direction, and the upper portion of the leveling cushion block is in contact with the lower portion of the pier in a laminating mode.
Furthermore, the bridge pier is provided with a support, and the steel box girder is arranged on the support.
Furthermore, the support on the pier forms an inclined support surface.
Furthermore, the upper part of the steel box girder forms an inclined supporting surface.
Furthermore, an anchorage backing plate is arranged between the upper anchorage and the steel box girder.
Furthermore, the steel box girder is provided with a reinforcing plate positioned at the position of the steel strand.
Furthermore, the inclined supporting surface at the upper part of the leveling cushion block is in contact with the inclined supporting surface at the lower part of the pier in a fitting manner.
Furthermore, the leveling cushion block comprises an upper support plate, a vertical support plate and a lower support plate, the upper support plate is in fit contact with the pier, the upper support plate is connected with the lower support plate through the vertical support plate, and the lower anchor is pressed on the lower part of the lower support plate.
Furthermore, a connecting beam is connected between the front end and the rear end of each of the two leveling cushion blocks.
Furthermore, a guy cable is connected between the steel box girder and the connecting cross beam.
The utility model has the advantages that:
1. the steel strand is utilized to pull the leveling cushion blocks and the steel box girder in a counter-pulling manner, the leveling cushion blocks are pressed on the bridge pier, buckling and locking of the steel box girder on the bridge pier are achieved, temporary consolidation of the steel box girder is achieved, and unbalanced moment is offset.
2. The temporary consolidation structure is simple, convenient to process, strong in operability and capable of being recycled.
3. The leveling cushion block is attached to the bridge pier through cutting operation, and is suitable for temporary consolidation of 0# steel box girders of bridge piers with different sections.
The main scheme and the further selection schemes of the utility model can be freely combined to form a plurality of schemes, which are the schemes that can be adopted and claimed by the utility model; in addition, the utility model can be freely combined between the (non-conflict selection) selections and other selections. The skilled person will understand that there are many combinations, which are the technical solutions to be protected by the present invention, and the embodiments are not exhaustive, according to the prior art and the common general knowledge.
Drawings
Fig. 1 is a front view of the structure of the present invention.
Fig. 2 is a side view of the structure of the present invention.
Fig. 3 is a front view of the leveling cushion block structure of the present invention.
Fig. 4 is a side view of the leveling pad structure of the present invention.
In the figure: 1-pier, 2-steel box girder, 3-steel strand, 4-upper anchorage device, 5-lower anchorage device, 6-leveling cushion block, 7-connecting beam, 8-anchorage device cushion plate, 9-reinforcing plate and 10-support; 61-upper supporting plate, 62-vertical supporting plate and 63-lower supporting plate.
Detailed Description
The invention will be further described with reference to the following specific embodiments and the accompanying drawings.
Referring to fig. 1 to 4, the temporary cantilever steel box girder consolidation structure includes a pier 1, a steel box girder 2, a steel strand 3, an upper anchor 4, a lower anchor 5, a leveling cushion block 6, a connecting beam 7, an anchor backing plate 8, a reinforcing plate 9 and a support 10.
The pier 1 is of a reinforced concrete structure, a plurality of supports 10 are arranged on the pier 1, the supports 10 on the pier 1 form an inclined supporting surface, the steel box girder 2 is obliquely arranged on the supports 10, and the pier 1 supports the steel box girder 2 through the supports 10. The upper part of the steel box girder 2 forms an inclined supporting surface to meet the gradient requirement of the road.
The steel strand wires 3 vertically penetrate through the steel box girder 2 and the leveling cushion block 6, the steel strand wires 3 penetrate through the front end and the rear end of the two sides of the steel box girder 2, and the four corners and the end angles of the steel box girder 2 are pulled down to ensure buckling effect.
The upper ends of the steel strands 3 penetrate through the steel box girder 2 and are connected with the upper anchorage device 4, the upper anchorage device 4 is pressed on the upper portion of the steel box girder 2, prestress is applied to the upper anchorage device for fastening, and the pressing effect of the upper anchorage device 4 on the upper portion of the steel box girder 2 is guaranteed. Meanwhile, an anchorage backing plate 8 is arranged between the upper anchorage 4 and the steel box girder 2, and the anchorage backing plate 8 is used for pressure dispersion, so that the upper anchorage 4 is prevented from damaging the steel box girder 2 due to stress concentration. The steel box girder 2 is welded with a reinforcing plate 9 positioned at the steel strand 3, and the opposite pulling action part of the steel box girder 2 is reinforced.
The lower end of the steel strand 3 penetrates through the leveling cushion block 6 and is connected with the lower anchor 5, the lower anchor 5 is pressed on the lower portion of the leveling cushion block 6 and is fastened by applying prestress, and the upper jacking effect of the lower anchor 5 on the lower portion of the leveling cushion block 6 is guaranteed.
The two leveling cushion blocks 6 are respectively arranged on two sides along the longitudinal direction, and the upper parts of the leveling cushion blocks 6 are in contact with the lower parts of the piers 1 in a fitting manner. Through the counter-pulling of the steel strands 3, the leveling cushion blocks 6 perform jacking action on the bridge piers 1, the steel box girders 2 are buckled and pressed on the upper parts of the bridge piers 1, the temporary consolidation is realized, and the unbalanced moment of the steel box girders 2 is eliminated.
The front ends and the rear ends of the two leveling cushion blocks 6 are connected with a connecting crossbeam 7, and the connecting crossbeam 7 can be welded or bolted with the leveling cushion blocks 6. The connecting beam 7 connects the leveling cushion blocks 6 on the two sides into a whole, so that the integral consolidation strength is improved. The steel box girder 2 is connected with the cable between the connecting beam 7, and the cable is oppositely pulled between the connecting beam 7 and the steel box girder 2, so that the integral consolidation strength is improved.
The leveling cushion block 6 comprises an upper support plate 61, a vertical support plate 62 and a lower support plate 63, wherein the upper support plate 61 is obliquely arranged, and the lower support plate 63 is horizontally arranged. The upper inclined support surface of the upper support plate 61 is in contact with the lower inclined support surface of the pier 1 in a fitting manner, the upper support plate 61 is connected with the lower support plate 63 through the vertical support plate 62, the vertical support plate 62 is welded between the upper support plate 61 and the lower support plate 63, and the lower part of the lower support plate 63 is pressed by the lower anchor 5. The upper support plate 61, the vertical support plate 62 and the lower support plate 63 form a box-type leveling cushion block 6 together, and the inclination angle of the upper support plate 61 can be flexibly adjusted according to the inclined support surface at the lower part of the pier 1.
The aforesaid the utility model discloses basic embodiment and each further alternative can the independent assortment in order to form a plurality of embodiments, is the utility model discloses can adopt and claim the embodiment of protection. In the scheme of the utility model, each selection example can be combined with any other basic examples and selection examples at will.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The utility model provides a cantilever type steel box girder concreties structure temporarily, includes pier (1), is equipped with steel box girder (2) on pier (1), its characterized in that: steel case roof beam (2) and leveling cushion (6) on vertical steel strand wires (3) of wearing to be equipped with, steel strand wires (3) are worn to establish and are arranged both ends around steel case roof beam (2) both sides side, the upper end of steel strand wires (3) is passed steel case roof beam (2) and is connected with last ground tackle (4), it presses the upper portion of establishing at steel case roof beam (2) to go up ground tackle (4), the lower extreme of steel strand wires (3) passes leveling cushion (6) and is connected with lower anchor (5), lower anchor (5) are pressed and are established in the lower part of leveling cushion (6), longitudinal arrangement is followed respectively in both sides in two leveling cushion (6), the upper portion of leveling cushion (6) and the lower part laminating contact of pier (1).
2. The cantilever-type steel box girder temporary consolidation structure of claim 1, wherein: the bridge pier is characterized in that a support (10) is arranged on the bridge pier (1), and the steel box girder (2) is arranged on the support (10).
3. The cantilever type steel box girder temporary consolidation structure of claim 2, characterized in that: the support (10) on the pier (1) forms an inclined support surface.
4. The cantilever type steel box girder temporary consolidation structure of claim 1, 2 or 3, wherein: the upper part of the steel box girder (2) forms an inclined supporting surface.
5. The cantilever-type steel box girder temporary consolidation structure of claim 1, wherein: an anchorage backing plate (8) is arranged between the upper anchorage (4) and the steel box girder (2).
6. The cantilever-type steel box girder temporary consolidation structure of claim 1 or 5, wherein: and the steel box girder (2) is provided with a reinforcing plate (9) positioned at the steel strand (3).
7. The cantilever-type steel box girder temporary consolidation structure of claim 1, wherein: and the inclined supporting surface at the upper part of the leveling cushion block (6) is in contact with the inclined supporting surface at the lower part of the pier (1).
8. The cantilever-type steel box girder temporary consolidation structure of claim 1 or 7, wherein: the leveling cushion block (6) comprises an upper support plate (61), a vertical support plate (62) and a lower support plate (63), the upper support plate (61) is in contact with the bridge pier (1) in a fitting mode, the upper support plate (61) is connected with the lower support plate (63) through the vertical support plate (62), and the lower anchor (5) is pressed on the lower portion of the lower support plate (63).
9. The cantilever-type steel box girder temporary consolidation structure of claim 1 or 7, wherein: and a connecting beam (7) is connected between the front end and the rear end of each of the two leveling cushion blocks (6).
10. The cantilever-type steel box girder temporary consolidation structure of claim 9, wherein: and a guy cable is connected between the steel box girder (2) and the connecting cross beam (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221487600.1U CN217758390U (en) | 2022-06-15 | 2022-06-15 | Cantilever type steel box girder temporary consolidation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221487600.1U CN217758390U (en) | 2022-06-15 | 2022-06-15 | Cantilever type steel box girder temporary consolidation structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217758390U true CN217758390U (en) | 2022-11-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221487600.1U Active CN217758390U (en) | 2022-06-15 | 2022-06-15 | Cantilever type steel box girder temporary consolidation structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217758390U (en) |
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2022
- 2022-06-15 CN CN202221487600.1U patent/CN217758390U/en active Active
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