CN219195625U

CN219195625U - Anchor detail structure of stay cable and girder

Info

Publication number: CN219195625U
Application number: CN202320398354.0U
Authority: CN
Inventors: 何通; 巩亚琦; 朱忠明; 涂金平; 王耀军; 王智龙; 唐辉; 宁文伟; 郑智
Original assignee: CCCC Infrastructure Maintenance Group Co Ltd
Current assignee: CCCC Infrastructure Maintenance Group Co Ltd
Priority date: 2023-02-25
Filing date: 2023-02-25
Publication date: 2023-06-16
Anticipated expiration: 2033-02-25

Abstract

The application relates to the technical field of bridge construction, especially, relate to an anchor detail structure of suspension cable and girder, including being used for setting up the crossbeam on the girder, the crossbeam runs through the girder setting along the length direction of perpendicular to girder, and coupling assembling is installed to the both ends of crossbeam setting respectively, and coupling assembling is used for being connected with the suspension cable. The application has the effect that the pulling force that is convenient for make the stay cable produce acts on the girder.

Description

Anchor detail structure of stay cable and girder

Technical Field

The application relates to the technical field of bridge construction, in particular to an anchoring detail structure of a stay cable and a main beam.

Background

At present, a rigid frame bridge is a commonly used structural system in the construction of a large-span bridge. Most rigid frame bridges can generate mid-span downwarping phenomenon in the actual operation stage, and the structure of the continuous rigid frame bridge is easy to damage.

The prior art can refer to Chinese patent with publication number of CN102286938B, which discloses a cable stayed system reinforcing structure suitable for a large-span box girder bridge and a continuous rigid frame bridge, two new pile foundations for drilling and pouring are respectively added at two sides of an original foundation, the new pile foundations have the same structure as the original pile, the diameter of an upper pile is 2.4m, the diameter of a lower pile is 2.0m, a new pile cap adopting reinforcement planting and circumferential prestress measures is connected with the original pile cap, a cable tower is arranged on the new pile cap, the height of the part above the cable tower deck is 19 m, the bridge tower at the continuous pier adopts a prestressed concrete structure, the tower body is provided with vertical prestress, the bridge tower at the rigid frame pier adopts a common concrete structure, a bracket is an all-welded box-shaped variable-section steel joist, the reinforcement is planted at the bottom surface of the original concrete girder, the steel joist is fixed through bolts, and a 1X 7-15.20-1860 prestress steel hinge line is adopted by the cable.

For the related art in the above: in order to enable the stay cable to act on the main beam, the joist needs to be arranged at the bottom of the main beam, and the length of the joist is larger than the width of the main beam, so that the joist is large in structural size and heavy in weight, and the stay cable is inconvenient to set on the main beam, and the tension generated by the stay cable is inconvenient to act on the main beam.

Disclosure of Invention

In order to facilitate the pulling force generated by the stay cable to act on the main beam, the application provides an anchoring detail structure of the stay cable and the main beam.

The application provides an anchor detail structure of stay cable and girder adopts following technical scheme:

the utility model provides an anchor detail structure of suspension cable and girder, is including being used for setting up the crossbeam on the girder, the crossbeam runs through the girder setting along the length direction of perpendicular to girder, the both ends of crossbeam set up respectively and install coupling assembling, coupling assembling is used for being connected with the suspension cable.

Through adopting above-mentioned technical scheme, the crossbeam runs through the girder setting for the crossbeam can play the support reinforcement effect to the girder, thereby is favorable to reducing the local possibility of taking place to warp of girder, and the stay cable can be connected with coupling assembling, coupling assembling can direct mount on the crossbeam, and then is convenient for through the mode of predetermineeing the crossbeam on the girder, makes the pulling force that the stay cable produced can act on the girder, consolidates the girder.

Optionally, the connection assembly comprises a steel member mounted on the cross beam, the steel member being for connection with a stay cable.

Through adopting above-mentioned technical scheme, stay cable and steel member are connected, and the steel member is installed on the crossbeam to be convenient for make the pulling force that the stay cable produced can act on the crossbeam, and then be convenient for make the pulling force that the stay cable produced can act on the girder.

Optionally, the steel member is provided with a plurality of fixing holes, and the fixing holes are used for providing mounting positions for the anchor bolts on the steel member.

Through adopting above-mentioned technical scheme, the setting of a plurality of fixed orifices for the steel member can be fixed with different angles through the crab-bolt on the crossbeam, thereby be convenient for according to the required angle of connection between suspension cable and the crossbeam, adjust the angle of steel member, and then be convenient for adjust the inclination of cable anchor head, be convenient for suspension cable and cable anchor head be connected to a certain extent.

Optionally, reserved steel plates are respectively arranged at two ends of the cross beam.

Through adopting above-mentioned technical scheme, reserve the setting of steel sheet, can consolidate the crossbeam on the one hand, on the other hand is favorable to providing the welding construction position for the reinforcement of follow-up girder.

Optionally, one side of the reserved steel plate, which faces away from the cross beam, is welded with the steel member.

By adopting the technical scheme, the steel member is conveniently welded on the reserved steel plate at any angle, so that the stay cable is convenient to connect with the steel member.

Optionally, the reserved steel plate and the steel member are respectively provided with a plurality of mounting holes correspondingly, and the mounting holes are used for providing mounting positions for the anchor bolts on the reserved steel plate and the steel member.

Through adopting above-mentioned technical scheme, the setting of mounting hole for steel member can be connected with the reservation steel sheet through the crab-bolt with arbitrary angle, thereby be convenient for stay cable and steel member connection.

Optionally, preformed holes are formed in the cross beam along the length direction of the cross beam, the preformed holes penetrate through two ends of the cross beam, and the preformed holes are used for providing mounting positions for reinforcing steel bars.

Through adopting above-mentioned technical scheme, the setting of preformed hole for when follow-up consolidates the girder, can adopt to wear to establish the mode of strengthening the reinforcing bar in the preformed hole, further consolidate the crossbeam, thereby be favorable to improving the crossbeam and consolidate the effect to the support of girder.

Optionally, a reinforcing rib is arranged in the preformed hole in a penetrating way, and the reinforcing rib is used for tensioning the connecting assembly on the cross beam.

Through adopting above-mentioned technical scheme, the setting of strengthening rib has further improved the structural stability of crossbeam to be favorable to improving the crossbeam and consolidate the support effect to the girder.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through the mutual matching of the girder, the cross beam and the connecting component, the pulling force generated by the stay cable can act on the girder through the connecting component and the cross beam, thereby being beneficial to simplifying the girder reinforcing construction step and reducing the girder reinforcing construction difficulty by presetting the cross beam on the girder, and being convenient for reinforcing the girder;

2. the cross beam and the steel member are matched with each other, so that the tensile force generated by the stay cable can act on the cross beam, and the tensile force generated by the stay cable can act on the main beam conveniently, so that the main beam is reinforced;

3. through the mutual cooperation of crossbeam and strengthening rib for the crossbeam can play stable support reinforcement effect to the girder, thereby is favorable to reducing the local probability of taking place to warp of girder.

Drawings

Fig. 1 is a schematic overall structure of the anchoring details of the stay cable and main beam according to embodiment 1 of the present application.

Fig. 2 is a schematic view of the structure of fig. 1 from another view angle.

Fig. 3 is a schematic overall structure of the anchoring details of the stay cable and the main beam according to embodiment 2 of the present application.

Fig. 4 is a schematic overall structure of the anchoring details of the stay cable and the main beam according to embodiment 3 of the present application.

Reference numerals illustrate:

1. a main beam; 2. a cross beam; 21. a preformed hole; 22. reinforcing ribs; 23. reserving a steel plate; 3. a connection assembly; 31. a steel member; 311. and a fixing hole.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-4.

The embodiment of the application discloses an anchor detail structure of stay cable and girder.

Example 1

Referring to fig. 1, the anchor detail structure of the stay cable and the main beam includes a cross beam 2 for being disposed on the main beam 1. Wherein crossbeam 2 runs through girder 1 setting along the length direction of perpendicular to girder 1 to make girder 1 can wrap up crossbeam 2, and make crossbeam 2 can play the support reinforcement effect to girder 1, and then be favorable to reducing girder 1 local emergence deformation's possibility.

Referring to fig. 1, two ends of a cross beam 2 are respectively penetrated out of a main beam 1, and two ends of the cross beam 2 are respectively provided with a connecting component 3, so that a stay cable is conveniently connected and fixed with the cross beam 2 through the connecting component 3.

Referring to fig. 2, the connection assembly 3 may be provided in various types, and the connection assembly 3 in this embodiment includes a steel member 31. The steel member 31 is provided with a plurality of fixing holes 311, in this embodiment, the plurality of fixing holes 311 are uniformly distributed on the steel member 31 in a rectangular array, and the beam 2 is also provided with fixing holes 311 corresponding to the fixing holes 311 on the steel member 31, so that the steel member 31 is fixed on the beam 2 through anchor bolt connection.

The setting of a plurality of fixed orifices 311 for steel member 31 can be fixed on crossbeam 2 with different inclination, thereby be convenient for adjust the inclination of steel member 31 on crossbeam 2 according to the required angle of connection between stay cable and the crossbeam 2, and then be convenient for stay cable and steel member 31 are connected, are favorable to making the pulling force that the stay cable produced can be whole act on crossbeam 2.

Referring to fig. 1, the beam 2 is provided with a preformed hole 21 along its length direction, the preformed hole 21 is provided through both ends of the beam 2, and the preformed hole 21 can be provided with a reinforcing rib 22. The reinforcing ribs 22 can strengthen the cross beam 2, so that the structural stability of the cross beam 2 is improved, and the supporting and reinforcing effects of the cross beam 2 on the main beam 1 are improved.

When need not consolidate girder 1, do not wear to establish strengthening rib 22 in the preformed hole 21 to be favorable to reducing strengthening rib 22 long-time work and take place corrosion or strain, when leading to follow-up needs consolidate girder 1, the possibility that the intensity of strengthening rib 22 reduces, and then be favorable to reducing the possibility that girder 1's support reinforcement effect was reduced to crossbeam 2. And the preformed holes 21 are preset on the cross beam 2, so that the material consumed in the construction of the cross beam 2 is reduced to a certain extent, and the cost is saved.

When the girder 1 needs to be reinforced, the reinforcing ribs 22 are arranged in the reserved holes 21 in a penetrating manner, the reinforcing ribs 22 are utilized to respectively penetrate through the steel members 31 at the two ends of the girder 2, nuts are sleeved on the reinforcing ribs 22, and the steel members 31 at the two ends of the girder 2 are tensioned, so that the connection stability of the steel members 31 and the girder 2 is improved, the stay cable can be conveniently pulled on the girder 2 completely, the stay cable can be pulled on the girder 1 to a certain extent, and the girder 1 is reinforced.

This embodiment 1 of the application anchor detail structure of suspension cable and girder is through the mode of pre-building crossbeam 2 on girder 1 for when need consolidate girder 1, can be with steel member 31 direct mount on crossbeam 2, rethread steel member 31 is connected with the suspension cable, and need not newly built crossbeam 2 on girder 1 any more, thereby simplified girder 1 reinforced construction step, reduced girder 1 and consolidated the construction degree of difficulty.

Example 2

Example 2 differs from example 1 in that: reserved steel plates 23 are respectively arranged at two ends of the cross beam 2.

Referring to fig. 2 and 3, the reserved steel plate 23 is located between the beam 2 and the steel member 31, at this time, the steel member 31 can be welded on the reserved steel plate 23 at any angle, so that the stay cable is connected with the steel member 31, and thus, the steel member 31 and the beam 2 do not need to be provided with a plurality of fixing holes 311, and further, the production and manufacturing processes of the steel member 31 and the beam 2 are simplified.

Example 3

Example 3 differs from example 2 in that: the reserved steel plate 23 and the steel member 31 are respectively provided with a plurality of mounting holes.

Referring to fig. 4, a plurality of mounting holes are uniformly distributed on the reserve steel plate 23 and the steel member 31, so that the steel member 31 can be mounted on the reserve steel plate 23 at an arbitrary angle through an anchor bolt, thereby facilitating connection of the stay cable with the steel member 31.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. An anchor detail structure of suspension cable and girder, its characterized in that: including being used for setting up crossbeam (2) on girder (1), crossbeam (2) run through girder (1) setting along the length direction of perpendicular to girder (1), coupling assembling (3) are installed to the both ends of crossbeam (2) set up respectively, coupling assembling (3) are used for being connected with the stay cable.

2. The stay cable and main beam anchoring detail structure of claim 1, wherein: the connecting assembly (3) comprises a steel member (31), wherein the steel member (31) is mounted on the cross beam (2), and the steel member (31) is used for being connected with a stay cable.

3. The stay cable and main beam anchoring detail structure of claim 2, wherein: a plurality of fixing holes (311) are formed in the steel member (31), and the fixing holes (311) are used for providing mounting positions for the anchor bolts on the steel member (31).

4. The stay cable and main beam anchoring detail structure of claim 2, wherein: reserved steel plates (23) are respectively arranged at two ends of the cross beam (2).

5. The stay cable and main beam anchoring detail structure of claim 4, wherein: and one side of the reserved steel plate (23) facing away from the cross beam (2) is welded with the steel member (31).

6. The stay cable and main beam anchoring detail structure of claim 4, wherein: the reserved steel plate (23) and the steel member (31) are respectively provided with a plurality of mounting holes correspondingly, and the mounting holes are used for providing mounting positions for the anchor bolts on the reserved steel plate (23) and the steel member (31).

7. The stay cable and main beam anchoring detail structure of claim 1, wherein: the novel reinforced concrete beam is characterized in that a preformed hole (21) is formed in the beam (2) along the length direction of the beam, the preformed hole (21) penetrates through two ends of the beam (2), and the preformed hole (21) is used for providing an installation position for reinforcing steel bars.

8. The stay cable and main beam anchoring detail structure of claim 7, wherein: reinforcing ribs (22) are arranged in the reserved holes (21) in a penetrating mode, and the reinforcing ribs (22) are used for tensioning the connecting assembly (3) on the cross beam (2).