CN220665948U - Bridge - Google Patents

Abstract

The utility model discloses a bridge, which comprises a beam body, a support, a bent cap and an upright post, wherein the support is arranged on the beam body; the beam body comprises a plurality of main beams, and two adjacent main beams are connected through a transverse partition plate; the cover beam passes through the support beam body; the top surface of the bent cap is provided with a stop block; the stop blocks are arranged between the main beams; the upright post supports the cover beam; grooves are formed in the sides of the bent cap and the upright post. The utility model realizes the hiding of the beam body limit stop and the underbridge drain pipe, reduces the risks of difficult construction and scratch by foreign objects such as vehicles and the like when the bridge deck is widened and the bent cap is spliced in the later period, prolongs the service life, and simultaneously greatly improves the landscape of the whole bridge structure.

Description

Bridge

Technical Field

The utility model relates to the technical field of bridge engineering, in particular to a bridge.

Background

In municipal bridge construction in China, the concrete small box girder can be prefabricated and assembled, and has reasonable span, good economic index and good appearance, so that the concrete small box girder is widely applied. The bent cap that concrete small box roof beam adopted often sets up limit stop at the both ends of bent cap, and this kind of dog's setting not only outward appearance nature is relatively poor, has to demolish again when the bent cap concatenation is widened to the bridge floor in the later stage moreover. The external dog is easily scratched by foreign objects, and the service life of the dog is influenced. Meanwhile, the urban bridge needs to be subjected to bridge floor drainage, the mode of externally hanging drain pipes on the sides of the bent cap and the upright posts is adopted, the externally hanging drain pipes protrude out of the surfaces of the bent cap and the upright posts, the appearance is poor, foreign objects such as vehicles are easily scraped and rubbed, and the service life of the drain pipes is seriously influenced.

Disclosure of Invention

The utility model aims to overcome the defects that limit stops at two ends of a bent cap in the prior art are easily scratched by foreign objects, the service life is influenced, and the bent cap has to be dismantled when being widened.

The utility model solves the technical problems by the following technical scheme:

the utility model provides a bridge, the bridge includes the roof beam body, the roof beam body includes the multi-disc girder of interval placement, its characterized in that, the bridge still includes the dog, the dog sets up in between two partly adjacent girders, the dog is followed the width direction of bridge extends between the girder.

In this scheme, adopt above-mentioned structural style to hide the roof beam body limit stop is built-in, kept the smoothness of the outer facade of structure, reduced the bridge floor and widened the construction difficulty when the bent cap concatenation when avoiding outer thing such as vehicle to cut and scratch.

Preferably, a gap is formed between the stop and the side surface of the main beam.

In this scheme, adopt above-mentioned structural style, through leaving the clearance between the side of dog and girder, can reduce because of girder vibration or thermal expansion and the dog frequent friction produce wearing and tearing.

Preferably, the number of the stop blocks is several, and a plurality of the main beams are sequentially arranged at intervals along the width direction of the bridge, and a plurality of accommodating spaces are formed; the plurality of containing spaces are internally provided with the stop blocks at intervals in sequence.

In this scheme, adopt above-mentioned structural style, guarantee spacing effect in the time of can saving limit stop quantity through above-mentioned mode of placing.

Preferably, the stop block comprises a plurality of sub stop blocks, the sub stop blocks are sequentially arranged along the width direction of the bridge, and two of the sub stop blocks are respectively positioned at one side of two adjacent main beams.

In this scheme, use a plurality of sub-dog in combination bridge whole atress condition can reduce dog occupation space when playing limiting displacement.

Preferably, the bridge further comprises a cover beam, the main beam is located on the cover beam, and the stop block is arranged on the upper surface of the cover beam.

In this scheme, adopt above-mentioned structural style, in order to support the dog through the bent cap.

Preferably, the bridge is further provided with a diaphragm, and two adjacent main beams are connected through the diaphragm.

In the scheme, the structure is adopted to realize the functions of keeping the cross section shape and enhancing the transverse rigidity through the diaphragm plate.

Preferably, when the diaphragm is directly above the stop block, a gap is formed between the bottom of the diaphragm and the top surface of the stop block.

In this scheme, adopt above-mentioned structural style, through leaving the clearance between dog and diaphragm bottom, can reduce and produce wearing and tearing because of diaphragm vibration or thermal expansion along with the girder and the frequent friction of dog.

Preferably, along the length direction of the bridge, the stop blocks are arranged between two adjacent diaphragm plates, the stop blocks extend into the space between two adjacent diaphragm plates, the stop blocks are higher than the bottom edges of the diaphragm plates, and gaps are reserved between the diaphragm plates and the stop blocks.

In this scheme, adopt above-mentioned structural style, through leaving the clearance between dog and diaphragm side, can reduce and produce wearing and tearing with the frequent friction of dog because of diaphragm vibration or thermal expansion along with the girder, also can realize the spacing at bridge length direction to the roof beam body through utilizing the spacing of dog to the diaphragm simultaneously.

Preferably, the bridge further comprises a support, the support is arranged between each main beam and each cover beam, and the cover beams support the main beams through the supports.

In the scheme, the upper structure is fixed on the capping beam through the support in the structural mode, and the support can adapt to the rotation angle and displacement of the upper structure under the actions of load, temperature, concrete shrinkage and creep, so that the upper structure can be freely deformed without generating additional internal force.

Preferably, the bridge further comprises an upright post, and the bent cap is arranged on the upper surface of the upright post.

Preferably, the bridge is further provided with a first groove and a second groove, and the first groove is communicated with the second groove; the first groove extends from the top end of the capping beam to the bottom end of the capping beam along the side surface of the capping beam; the second groove extends from the top end of the upright post to the bottom end of the upright post along the vertical direction.

In this scheme, adopt above-mentioned structural style, can set up the drain pipe under the bridge in the recess of bent cap and stand through the recess, avoided being scraped by other things such as vehicle and rubbed, promoted the durability, prolonged life.

Preferably, the cross section of the groove is trapezoidal.

The utility model has the positive progress effects that: by adopting the structural mode, the beam body limit stop is hidden in the interior, so that the smoothness of the outer vertical surface of the structure is maintained, and the construction difficulty in splicing the bridge deck widening capping beam is reduced while the scratch of foreign objects such as vehicles is avoided.

Drawings

Fig. 1 is a schematic cross-sectional view of a bridge according to embodiment 1 of the present utility model.

Fig. 2 is a partial enlarged view at a in fig. 1.

FIG. 3 is a schematic cross-sectional view of the section I-I of FIG. 1.

Fig. 4 is a schematic cross-sectional view of another bridge according to embodiment 2 of the present utility model.

Fig. 5 is a partial enlarged view at a in fig. 4.

FIG. 6 is a schematic cross-sectional view of the section I-I of FIG. 4.

FIG. 7 is a schematic cross-sectional view at II-II in FIGS. 1 and 4.

Fig. 8 is a schematic cross-sectional view at III-III in fig. 1 and 4.

Reference numerals illustrate: girder 1, support 2, bent cap 3, stand 4, dog 5, diaphragm 6, recess 7, first recess 71, second recess 72, drain pipe 8.

Detailed Description

The utility model is further illustrated by means of examples which follow, without thereby restricting the scope of the utility model thereto.

Example 1

As shown in fig. 1, the bridge of the utility model comprises a bridge body, wherein the bridge body comprises a plurality of main beams 1 which are arranged at intervals, the bridge further comprises a stop block 5, the stop block 5 is arranged between two adjacent main beams 1, and the stop block 5 extends between the main beams 1 along the width direction of the bridge. Therefore, when the cover beam is spliced in the later bridge deck widening process, the splicing can be realized only by simply chiseling off the surface concrete, and the stop block 5 is not required to be chiseled off in the past. Meanwhile, the stop block 5 is hidden in the beam body, so that the overall appearance of the bridge is greatly improved.

As shown in fig. 2, a gap is left between the stop block 5 and the side surface of the main beam 1, so that abrasion caused by frequent friction between the stop block 5 and the main beam 1 due to vibration or thermal expansion can be reduced.

As shown in fig. 1, a plurality of stoppers 5 are provided, and a plurality of main beams 1 are sequentially arranged at intervals along the width direction of the bridge, and a plurality of accommodating spaces are formed; the stop blocks 5 are sequentially arranged in the plurality of accommodating spaces at intervals, so that the number of the limit stop blocks 5 can be saved, and the limit effect can be ensured; the number of stops 5 may be determined based on the lateral seismic forces or other loads that the beam may be subjected to.

In specific implementation, the stop block can further comprise a plurality of sub stop blocks, the plurality of sub stop blocks are sequentially arranged along the width direction of the bridge, and two of the plurality of sub stop blocks are respectively located on one side of two adjacent main beams. The plurality of sub-stoppers are used in combination with the integral stress condition of the bridge, so that the occupied space of the stoppers can be reduced while the limiting effect is achieved.

As shown in fig. 1-3, the bridge further comprises a capping beam 3, the main beam 1 is located on the capping beam 3, and the stop block 5 is disposed on the upper surface of the capping beam 3.

As shown in fig. 1-3, the bridge also has a diaphragm 6, and two adjacent main beams 1 are connected by the diaphragm 6 to realize the functions of maintaining the cross-sectional shape and enhancing the transverse rigidity.

As shown in fig. 2-3, when the diaphragm 6 is directly above the stop 5, a gap is left between the bottom of the diaphragm 6 and the top surface of the stop 5, so that abrasion caused by frequent friction between the diaphragm 6 and the stop 5 due to vibration or thermal expansion of the main beam 1 can be reduced.

As shown in fig. 1 to 3, the bridge further comprises a support 2, each support 2 is arranged between each main beam 1 and the corresponding capping beam 3, the capping beams 3 support the main beams 1 through the supports 2, the upper structure is fixed on the capping beams 3 through the supports 2, and the supports 2 can adapt to the corner and displacement of the upper structure under the actions of load, temperature, concrete shrinkage and creep, so that the upper structure can be freely deformed without generating additional internal force. As shown in fig. 1, the bridge further includes a column 4, and the capping beam 3 is disposed on an upper surface of the column 4.

As shown in fig. 1, 7 and 8, the bridge is further provided with a groove 7, the groove 7 comprises a first groove 71 and a second groove 72, and the first groove 71 is communicated with the second groove 72; the first groove 71 extends from the top end of the capping beam 3 to the bottom end of the capping beam 3 along the side of the capping beam 3; the second groove 72 extends from the top end of the upright 4 to the bottom end of the upright 4 in the vertical direction; the cross-section of the groove 7 is trapezoidal, wherein the upper bottom of the trapezoid faces to the inner side of the bridge, and the lower bottom of the trapezoid faces to the outer side. The lower drainage pipe of the bridge can be arranged in the groove 7 of the bent cap and the upright post through the groove 7, so that the phenomenon that the lower drainage pipe is scratched by foreign objects such as vehicles is avoided, the durability is improved, and the service life is prolonged.

As shown in fig. 1, the main beam 1 is prefabricated, is not limited to the box beam in the figure, and can be a T-section beam, an i-section beam and other section beams, and is hoisted to the top of the capping beam.

As shown in fig. 1, after the main beams 1 are hoisted to the top of the capping beam, the diaphragm plates 6 connect two adjacent main beams 1 in a cast-in-situ mode.

Example 2

As shown in fig. 4, the bridge structure in this embodiment is substantially the same as that in embodiment 1, except for the stopper arrangement position in this embodiment.

As shown in fig. 5 and 6, when the stop blocks 5 are arranged between the adjacent diaphragm plates 6 along the length direction of the bridge, the stop blocks 5 extend into between the two adjacent diaphragm plates 6, the height of each stop block 5 is higher than the bottom edge of each diaphragm plate 6, and a gap is reserved between each diaphragm plate 6 and each stop block 5, so that abrasion caused by frequent friction between each diaphragm plate 6 and each stop block 5 due to vibration or thermal expansion of the corresponding main beam 1 can be reduced, and meanwhile, the limit of the corresponding diaphragm plate 6 to the length direction of the bridge can be realized by utilizing the limit of the stop blocks 5.

While specific embodiments of the utility model have been described above, it will be appreciated by those skilled in the art that this is by way of example only, and the scope of the utility model is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the principles and spirit of the utility model, but such changes and modifications fall within the scope of the utility model.

Claims (10)

1. The utility model provides a bridge, the bridge includes the roof beam body, the roof beam body includes the multi-disc girder of interval placement, its characterized in that, the bridge still includes the dog, the dog sets up in between two adjacent slices of girder of part, the dog is followed the width direction of bridge extends between the girder.

2. The bridge of claim 1, wherein the stop is spaced from the sides of the main beam.

3. The bridge according to claim 1, wherein a plurality of the stoppers are provided, and a plurality of the main beams are sequentially arranged at intervals along the width direction of the bridge and form a plurality of accommodating spaces; the stop blocks are sequentially arranged in the accommodating spaces at intervals;

or, the stop block comprises a plurality of sub stop blocks, the sub stop blocks are sequentially arranged along the width direction of the bridge, and two of the sub stop blocks are respectively positioned at one side of two adjacent main beams.

4. The bridge of claim 1, further comprising a cap beam, wherein the main beam is positioned on the cap beam, and wherein the stop is disposed on an upper surface of the cap beam.

5. The bridge of claim 1, wherein said bridge further comprises a bulkhead, and wherein adjacent ones of said main beams are connected by said bulkhead.

6. The bridge of claim 5, wherein when the diaphragm is directly above the stop, a gap is provided between the bottom of the diaphragm and the top surface of the stop;

or, along the length direction of the bridge, the stop blocks are arranged between two adjacent diaphragm plates, the stop blocks extend into the space between the two adjacent diaphragm plates, the stop blocks are higher than the bottom edges of the diaphragm plates, and gaps are reserved between the diaphragm plates and the stop blocks.

7. The bridge of claim 4, further comprising a support, wherein the support is disposed between each of the main beams and the capping beams, and wherein the capping beams support the main beams via the supports.

8. The bridge of claim 4, further comprising a post, wherein the cap beam is disposed on an upper surface of the post.

9. The bridge of claim 8, wherein the bridge is further provided with a first groove and a second groove, the first groove and the second groove being in communication; the first groove extends from the top end of the capping beam to the bottom end of the capping beam along the side surface of the capping beam; the second groove extends from the top end of the upright post to the bottom end of the upright post along the vertical direction.

10. The bridge of claim 9, wherein the groove has a trapezoidal cross-sectional shape.