CN218667082U

CN218667082U - Limiting structure of bridge deck

Info

Publication number: CN218667082U
Application number: CN202221885464.1U
Authority: CN
Inventors: 彭世恩; 刘元刚; 林桂萍; 秦礼学; 李宇; 郭益明; 王云
Original assignee: Sichuan Highway Planning Survey and Design Institute Ltd
Current assignee: Sichuan Highway Planning Survey and Design Institute Ltd
Priority date: 2022-07-21
Filing date: 2022-07-21
Publication date: 2023-03-21
Anticipated expiration: 2032-07-21

Abstract

The utility model relates to a bridge technical field discloses a limit structure of decking. This limit structure includes setting element and first locating part, the setting element is fixed with the bridge floor board, first locating part is fixed mutually with the crossbeam of bridge, the setting element includes interconnect and all along the vertical first vertical board and the first horizontal board that sets up of bridge, first locating part includes the spout structure, the inside spout space that has along vertical setting of spout structure, spout structure top has been seted up intercommunication spout space and has been followed the fore-and-aft spacing slotted hole of bridge, the first vertical board of setting element is located spacing slotted hole, the first horizontal board of setting element is located the spout space, the inner of spout structure is connected with the crossbeam, the setting of the spacing slotted hole outer end of spout structure has the second locating part. This limiting structure of decking can guarantee that the decking displacement is in reasonable appropriate space, prevents that the bridge floor later stage from endangering the safe operation of bridge in the damage of operation in-process.

Description

Limiting structure of bridge deck

Technical Field

The utility model belongs to the technical field of the bridge technique and specifically relates to a limit structure of decking.

Background

The deck plate structure on the flexible cable bridge steel truss girder is a bridge girder body structure commonly used in bridges, in the operation process of the deck plate on the steel truss girder, the deck plate is not welded with the steel truss to be connected into a whole, usually, the steel truss girder is erected first and then the combined deck plate on the steel truss girder is laid, and most of the time, a rubber support is placed on the steel truss girder to be used as a contact support of the girder body and the deck plate; because flexible bridge is great in the deformation of operation in-process, the condition of sliding often appears to simple and easy flexible suspension bridge at vertical and transverse position, if do not have the limit measure structure to the roof beam body and steel longeron, can lead to the decking to appear the dislocation displacement for the steel longeron, the phenomenon that the support also can appear droing will make the decking appear the disease of damage, the potential safety hazard appears in the safe in utilization and the decking durability of flexible cable bridge in later stage, influence the later stage operation safety of structure.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a limit structure of decking is provided, guarantee the decking displacement in reasonable appropriate space, prevent that the bridge floor later stage from endangering the safe operation of bridge in the damage of operation in-process.

The utility model discloses a limiting structure of decking, including setting element and first locating part, the setting element is fixed with the bridge floor board, first locating part is fixed mutually with the crossbeam of bridge, the setting element includes interconnect's and all along the vertical first vertical board and the first horizontal board that set up of bridge, first locating part includes the spout structure, the inside spout space along vertical setting that has of spout structure, spout structure top has been seted up and has been fed through the spout space and follow the fore-and-aft spacing slotted hole of bridge, the first vertical board of setting element is located spacing slotted hole, the first horizontal board of setting element is located the spout space, the inner of spout structure is connected with the crossbeam, the setting of the spacing slotted hole outer end of spout structure has the second locating part.

Preferably, the locating piece is a first I-steel, the top flange plate of the first I-steel is connected with the bridge deck, the web of the first I-steel is the first vertical plate, and the web of the bottom of the first I-steel is the first transverse plate.

Preferably, the first limiting part comprises two second i-beams arranged side by side, a gap between top flange plates of the two second i-beams forms the limiting slot, a space between web plates of the two second i-beams forms the chute space, inner end parts of the two second i-beams are connected with a cross beam of the bridge, and a first connecting plate is connected between outer end parts of the top flange plates of the two second i-beams and serves as the second limiting part.

Preferably, a second connecting plate is connected between the outer end and the inner end of the two second I-steel bottom flange plates of the first limiting part.

Preferably, the thickness of the first connecting plate is consistent with that of the top flange plate of the second I-shaped steel.

Preferably, the first I-steel and the second I-steel are of the same type.

Preferably, the gap between the top flange plates of the two second i-beams of the first limiting part is 5-15 mm larger than the web plate thickness of the first i-beam.

Preferably, a sliding plate is arranged between the first transverse plate and the chute structure.

Preferably, the sliding plate is made of polytetrafluoroethylene.

The utility model has the advantages that: the utility model discloses a set up setting element and locating part, carry on the longitudinal bridge of decking to fixed position spacingly, simultaneously also carry on spacingly with the transverse bridge of decking upwards, ensure that operation in-process decking takes place the off normal phenomenon, only allow its suitable longitudinal bridge to the displacement, very big reduction longitudinal shift and the transverse deformation of decking in operation process, guaranteed that decking and steel truss roof beam form wholly, the in-process that warp at the flexible bridge can warp jointly all the time, thereby improve the spacing deformation of whole decking, satisfy the requirements such as the structural safety nature of its bridge and decking's durability, this limit structure simple structure is reasonable, high durability and convenient use.

Drawings

Fig. 1 is a schematic elevation view of a limiting structure in operation of a bridge deck according to an embodiment of the present invention;

FIG. 2 is a schematic front view of a spacing structure;

FIG. 3 is a schematic view of the top view structure of the limiting structure of the embodiment of the present invention during the operation of the bridge deck

Fig. 4 is a top down schematic view of the spacing structure.

Reference numerals: the bridge comprises a second I-shaped steel 1, a first I-shaped steel 2, a second connecting plate 3, a cross beam 4, a support 5, a bridge deck 6, a first connecting plate 7 and a sliding plate 8.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

As shown in fig. 1-4, the utility model discloses a limiting structure of decking 6, including setting element and first locating part, the setting element is fixed mutually with decking 6, first locating part is fixed mutually with crossbeam 4 of bridge, the setting element includes interconnect and all along the first vertical board and the first transverse plate of the vertical setting of bridge, first locating part includes the spout structure, the inside spout space of following vertical setting that has of spout structure, spout structure has seted up at the top intercommunication spout space and has followed the fore-and-aft spacing slotted hole of bridge, the first vertical board of setting element is located the spacing slotted hole, the first transverse plate of setting element is located the spout space, the inner of spout structure is connected with crossbeam 4, the setting of the spacing slotted hole outer end of spout structure has the second locating part.

This limit structure uses in pairs usually, and two limit structure set up respectively in the both sides of bridge, and first locating part is fixed mutually with the crossbeam 4 of bridge, and the setting element is fixed mutually with decking 6, and the preferred welding that adopts of fixed mode also can adopt modes such as high-strength bolted connection under the few circumstances. The spout space of first locating part and the lateral shifting of spacing slotted hole can limit the setting element, thereby restriction decking 6 is for the lateral shifting of crossbeam 4, the setting element can carry out certain distance's removal along spacing slotted hole, thereby make decking 6 can carry out certain distance's longitudinal movement for crossbeam 4, the second locating part can limit the distance that the setting element removed in spacing slotted hole simultaneously, thereby under the condition that satisfies 6 flexible requirements of decking, reach its spacing purpose, fabulous vertical and horizontal spacing of satisfying steel-concrete combination decking 6 between the flexible cable bridge, decking 6 safety during the operation has been guaranteed, can not have slip and big vibrations, cause bridge construction's whole safety.

Setting element, first locating part and second locating part can process the preparation by oneself according to the demand, specifically can adopt panel, section bar welding, and in the preferred embodiment of this application, the setting element is first I-steel 2, the top flange board of first I-steel 2 is connected with decking 6, the web of first I-steel 2 does first vertical board, the web of 2 bottoms of first I-steel is first horizontal board. The I-shaped steel has higher strength, and the original shape of the I-shaped steel is directly utilized, so that the processing can be simplified. The first i-section 2 is typically welded to the bottom plate of the decking 6, preferably securely by girth welding. Similarly, in another preferred embodiment of the present application, the first limiting member includes two second i-beams 1 arranged side by side, a gap between top flange plates of the two second i-beams 1 forms the limiting slot, a space between web plates of the two second i-beams 1 forms the chute space, inner end portions of the two second i-beams 1 are both connected with the cross beam 4 of the bridge, and a first connecting plate 7 is connected between outer end portions of the top flange plates of the two second i-beams 1 as the second limiting member.

In order to ensure the rigidity and integrity of the first limiting part, in a preferred embodiment, a second connecting plate 3 is connected between the outer end and the inner end of the bottom flange plate of each of the two second i-beams 1 of the first limiting part. Specifically, before the first i-steel 2 of the bridge deck 6 is fixed, two second i-steels 1 are welded, but the first connecting plate 7 of the upper flanges of the two second i-steels 1 cannot be welded, the lower flanges of the two i-steels can be welded into a whole by the second connecting plate 3, the requirement on rigidity of the bridge deck is met, after the first i-steel 2 penetrates through the gap between the two parallel second i-steels 1, the first connecting plate 7 of the upper flange is welded, and finally the bridge deck 6 and the first i-steel 2 are welded and fixed, so that the purpose of limiting the bridge deck 6 is achieved. The position of the first connecting plate 7 needs to take the length of the first i-beam 2 and the gap of the bridge bearing 5 into consideration.

In the preferred embodiment of the present application, the thickness of the first connecting plate 7 is the same as the thickness of the top flange plate of the second i-beam 1.

The top flange plate of the second I-steel 1 is consistent with the first connecting plate 7 in thickness, the quality of the second I-steel can be better guaranteed in welding, and the longitudinal deformation force of the bridge deck 6 can be met by adopting girth welding to achieve the limiting purpose.

The first I-beam 2 and the second I-beam 1 are preferably of the same type. The purchase and the welding in the later stage of being convenient for are unanimous, and whole rigidity also can better matching on the atress, in addition, can make the clearance of the web of second I-steel 1 and the lower part flange board of first I-steel 2 equal the clearance of the top flange board of second I-steel 1 and the web of first I-steel 2, and both two are spacing simultaneously, can reach better atress effect. In terms of the width of the specific gap, in the preferred embodiment of the present application, the gap between the top flange plates of the two second i-beams 1 of the first limiting member is 5mm to 15mm greater than the web thickness of the first i-beam 2, and more preferably 10mm.

Relative sliding can be generated between the first transverse plate and the sliding chute structure, namely, the first I-shaped steel 2 and the second I-shaped steel 1, so that in order to reduce friction and prevent clamping, a sliding plate 8 is arranged between the first transverse plate and the sliding chute structure. The sliding plate 8 can be made of copper, polytetrafluoroethylene and the like, wherein the polytetrafluoroethylene is preferable due to high corrosion resistance. The polytetrafluoroethylene can be pasted on the first I-beam 2 or the second I-beam 1 to avoid falling off.

Claims

1. Limiting structure of decking, its characterized in that, including setting element and first locating part, the setting element is fixed mutually with decking (6), first locating part is fixed mutually with crossbeam (4) of bridge, the setting element includes interconnect and all along the vertical first vertical board and the first transverse plate that set up of bridge, first locating part includes the spout structure, the inside spout space that has along vertical setting of spout structure, spout structure top has been seted up intercommunication spout space and has been followed the fore-and-aft spacing slotted hole of bridge, the first vertical board of setting element is located spacing slotted hole, the first transverse plate of setting element is located the spout space, the inner of spout structure is connected with crossbeam (4), the setting of the spacing slotted hole outer end of spout structure has the second locating part.

2. The bridge deck confining structure as recited in claim 1, wherein: the setting element is first I-steel (2), the top flange board of first I-steel (2) is connected with decking (6), the web of first I-steel (2) is first vertical board, the web of first I-steel (2) bottom is first horizontal board.

3. The bridge deck confining structure as claimed in claim 1 or 2, wherein: the first limiting part comprises two second I-shaped steels (1) arranged side by side, a gap between top flange plates of the two second I-shaped steels (1) forms the limiting slotted hole, a space between web plates of the two second I-shaped steels (1) forms the chute space, inner end parts of the two second I-shaped steels (1) are connected with a cross beam (4) of a bridge, and a first connecting plate (7) is connected between outer end parts of the top flange plates of the two second I-shaped steels (1) to serve as the second limiting part.

4. The bridge deck confining structure as recited in claim 3, wherein: and a second connecting plate (3) is connected between the outer end and the inner end of the bottom flange plate of the two second I-shaped steels (1) of the first limiting part.

5. The limiting structure of the bridge deck according to claim 3, wherein: the thickness of the first connecting plate (7) is consistent with that of the top flange plate of the second I-shaped steel (1).

6. The bridge deck confining structure as recited in claim 1, wherein: the positioning piece is a first I-shaped steel (2), a top flange plate of the first I-shaped steel (2) is connected with a bridge deck (6), a web plate of the first I-shaped steel (2) is a first vertical plate, and a web plate at the bottom of the first I-shaped steel (2) is a first transverse plate;

the first limiting part comprises two second I-beams (1) which are arranged side by side, a gap between top flange plates of the two second I-beams (1) forms the limiting slotted hole, a space between web plates of the two second I-beams (1) forms the sliding chute space, inner end parts of the two second I-beams (1) are connected with a cross beam (4) of the bridge, and a first connecting plate (7) is connected between outer end parts of the top flange plates of the two second I-beams (1) and serves as the second limiting part;

the first I-shaped steel (2) and the second I-shaped steel (1) are of the same type.

7. The limiting structure of the bridge deck according to claim 5, wherein: the gap between the top flange plates of the two second I-beams (1) of the first limiting part is 5-15 mm larger than the web plate thickness of the first I-beam (2).

8. The bridge deck confining structure as recited in claim 1, wherein: a sliding plate (8) is arranged between the first transverse plate and the sliding groove structure.

9. The bridge deck confining structure as recited in claim 8, wherein: the sliding plate (8) is made of polytetrafluoroethylene.