CN213772889U

CN213772889U - Environment-friendly steel structure bridge

Info

Publication number: CN213772889U
Application number: CN202022272871.2U
Authority: CN
Inventors: 李亚普
Original assignee: Hebei Yuechen Road And Bridge Engineering Co ltd
Current assignee: Hebei Yuechen Road And Bridge Engineering Co ltd
Priority date: 2020-10-13
Filing date: 2020-10-13
Publication date: 2021-07-23
Anticipated expiration: 2030-10-13

Abstract

The utility model relates to an environment-friendly steel structure bridge, it includes prefabricated pier and prefabricated box girder, the vertical setting of prefabricated pier, and prefabricated pier bottom and ground fixed connection, prefabricated box girder is located the top of prefabricated pier, prefabricated box girder is hollow tubular structure, the mounting hole has been seted up to the lower surface of prefabricated box girder, fixed surface is connected with the installation piece on the prefabricated pier, the installation piece cross-sectional area is less than the cross-sectional area of prefabricated pier, the installation piece is pegged graft in the mounting hole, the space between adjacent prefabrication is provided with folds the subassembly, it will fold the coupling assembling that subassembly and prefabricated box girder carry out the connection to fold to be provided with between subassembly and the prefabricated subassembly, this application has the effect that reduces the harm to the environment.

Description

Environment-friendly steel structure bridge

Technical Field

The application relates to the technical field of bridge construction, in particular to an environment-friendly steel structure bridge.

Background

The steel structure bridge is a bridge with a main bearing structure made of steel, and the assembled steel structure bridge is widely applied all over the world, and the main design concept is that the assembled steel bridge capable of bearing various loads and different spans is assembled by using the least unit components.

The existing steel structure bridge needs to foresee to beat the foundation firmly in the construction process, assumes steel structure skeleton on the foundation this moment, waters the concrete again, forms the pier after pouring the completion, and after the pier was accomplished, at first the fixed steel structure skeleton in pier upper surface, the steel form shell of fixing again, after the steel form shell is fixed, waters the concrete again and then realizes laying of bridge.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: a large amount of concrete is needed in the bridge construction process, and the large amount of concrete can cause great damage to the environment.

SUMMERY OF THE UTILITY MODEL

In order to reduce the harm to the environment, this application provides an environment-friendly steel structure bridge.

The application provides an environment-friendly steel structure bridge adopts following technical scheme: the utility model provides an environment-friendly steel structure bridge, including prefabricated pier and prefabricated box girder, the vertical setting of prefabricated pier, and prefabricated pier bottom and ground fixed connection, prefabricated box girder is located the top of prefabricated pier, prefabricated box girder is hollow tubular structure, the mounting hole has been seted up to the lower surface of prefabricated box girder, fixed surface is connected with the installation piece on the prefabricated pier, the installation piece cross-sectional area is less than the cross-sectional area of prefabricated pier, the installation piece is pegged graft in the mounting hole, space between the adjacent prefabricated box girder is provided with folds the subassembly, it will fold the coupling assembling that subassembly and prefabricated box girder carry out being connected to fold to be provided with between subassembly and the prefabricated box girder.

Through adopting above-mentioned technical scheme, environment-friendly steel structure bridge needs the staff to fix prefabricated pier and ground earlier in the use, after fixed the completion, peg graft the installation piece in the mounting hole, accomplish the simple connection of prefabricated pier and prefabricated box girder this moment, use coupling assembling to fold the subassembly and be connected with coupling assembling after accomplishing prefabricated pier and prefabricated box girder connection, and then accomplish the installation of whole environment-friendly steel structure bridge, the quantity of the concrete of field usage has been reduced, and then the harm to the environment has been reduced.

Optionally, the folding assembly comprises a supporting plate and a mounting plate, the mounting plate is vertically and fixedly connected to the center of the lower surface of the supporting plate, the mounting block and the side wall parallel to the two end faces of the prefabricated box girder are provided with limiting holes, the supporting plate is erected between two adjacent prefabricated box girders, and the connecting assembly is connected with the adjacent prefabricated box girders.

Through adopting above-mentioned technical scheme, when using to fold the subassembly and connect the space between two sets of adjacent prefabricated box girders, guarantee backup pad upper surface and prefabricated box girder upper surface parallel and level, use coupling assembling to pass spacing hole simultaneously, with adjacent prefabricated adjacent with fold the subassembly and connect, the setting that folds the subassembly has reduced the required concrete volume of environment-friendly steel structure bridge at the job site, and then has reduced the harm to the environment.

Optionally, coupling assembling includes even roof beam and shrouding, and the shrouding is provided with two, and the shrouding slip cap is established at the circumference outer wall of linking the roof beam, the circumference outer wall of shrouding and the axial inner wall butt of prefabricated case roof beam cavity, and the spliced eye has been seted up to the side that the mounting panel is parallel with prefabricated case beam-ends face, spacing hole and spliced eye all with even roof beam looks adaptation.

Through adopting above-mentioned technical scheme, when using coupling assembling to connect and fold subassembly and prefabricated box girder, peg graft the shrouding in the cavity of prefabricated box girder earlier, guarantee simultaneously that the shrouding is kept away from the lateral wall of prefabricated box girder and the terminal surface parallel and level of prefabricated box girder, at this moment, will link the roof beam and insert between the continuous prefabricated box girder from the one side that prefabricated box girder kept away from the shrouding, and then accomplish adjacent prefabricated box girder and fold the installation of subassembly, and then reduced the required concrete in scene, reduced the harm to the environment.

Optionally, the upper surface of the precast box girder is provided with an embedded groove, and the depth of the embedded groove is the same as the thickness of the supporting plate.

Through adopting above-mentioned technical scheme, the setting of caulking groove has improved the stability of being connected between backup pad and the prefabricated box girder, has guaranteed backup pad and prefabricated box girder upper surface parallel and level simultaneously, and then has improved the stability of environment-friendly steel construction bridge.

Optionally, even the roof beam is hollow columnar structure, and even the upper surface intercommunication of roof beam has pour the hole, even roof beam length direction both sides wall has seted up hourglass thick liquid hole, leaks thick liquid hole site in the both ends that two shroudings deviate from each other, is provided with in backup pad and the mounting panel and pours the pipe, pours the pipe just to pouring the hole.

Through adopting above-mentioned technical scheme, after using coupling assembling to connect adjacent prefabricated box girder and fold the subassembly and connect the completion, pour into the concrete in the pipe from pouring, the concrete flows to even in the roof beam through pouring the hole, flows to in the cavity of prefabricated box girder in the grout leaking hole again, and then accomplishes the installation and the concatenation of whole bridge.

Optionally, a sealing buffer layer is arranged between the supporting plate and the precast box girder.

Through adopting above-mentioned technical scheme, the setting up of sealed buffer layer has improved the leakproofness and the connection stability that link to each other and prefabricated box girder and fold between the subassembly, and then has guaranteed the stability in use of environment-friendly steel structure bridge.

Optionally, the shrouding circumference lateral wall fixedly connected with stopper has seted up the spacing groove in the cavity of prefabricated case roof beam, and the stopper is pegged graft at the spacing inslot.

Through adopting above-mentioned technical scheme, the shrouding is pegged graft earlier in the cavity of prefabricated case roof beam, and setting up of stopper has improved the stability of being connected of shrouding and prefabricated case roof beam, and the staff just need aim at the spacing groove with the stopper at the in-process of hoist and mount simultaneously and just can realize the installation, and then makes things convenient for the staff to use.

Optionally, the cross section of the limiting block is semicircular, and the plane of the limiting block is fixedly connected with the sealing plate.

Through adopting above-mentioned technical scheme, the shape setting of stopper can make things convenient for the staff to peg graft it in the spacing inslot, and then reduces staff's work load, improves staff work efficiency.

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

1. due to the arrangement of the prefabricated bridge piers, the prefabricated box girders and the folding assemblies, the concrete required by the environment-friendly steel structure bridge in a construction site is reduced, and further the harm to the environment is reduced;

2. the arrangement of the connecting components improves the connecting stability between the adjacent prefabricated box girders and the folding components, thereby ensuring the use stability of the bridge;

3. the arrangement of the sealing buffer layer increases the connection sealing property between the prefabricated box girder and the folding assembly, and further improves the service durability of the bridge.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 2 is a schematic view of a portion of the components showing the insertion hole;

fig. 3 is a partial part schematic view showing the mounting block.

In the figure, 1, prefabricating a pier; 11. mounting blocks; 111. a limiting hole; 2. prefabricating a box girder; 21. mounting holes; 22. caulking grooves; 23. a limiting groove; 3. a folding assembly; 31. a support plate; 32. mounting a plate; 321. inserting holes; 4. a connecting assembly; 41. connecting the beams; 411. pouring holes; 412. a slurry leakage hole; 42. closing the plate; 421. a limiting block; 5. pouring a pipe; 6. and sealing the buffer layer.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses environment-friendly steel structure bridge.

Referring to fig. 1 and 2, the environment-friendly steel structure bridge comprises a prefabricated pier 1 and a prefabricated box girder 2, the prefabricated box girder 2 is of a hollow cylindrical structure, the prefabricated pier 1 is vertically arranged, the upper surface of the prefabricated pier 1 is fixedly connected with an installation block 11, the central position of the lower surface of the prefabricated box girder 2 is provided with an installation hole 21, the installation block 11 is inserted into the installation hole 21 when in use, a folding component 3 for connecting the gap between the adjacent prefabricated box girders 2 is arranged between the connected prefabricated box girders 2, a connecting component 4 for connecting the folding component 3 with the prefabricated box girder 2 is arranged between the folding component 3 and the prefabricated box girder 2, the environment-friendly steel structure bridge firstly connects the prefabricated pier 1 with the prefabricated box girder 2 by using the installation block 11 in the use process, and after the connection of the connected prefabricated box girders 2 is completed, the folding assemblies 3 and the connecting assemblies 4 are used for connecting gaps between the adjacent prefabricated box girders 2, so that the installation of the whole environment-friendly steel structure bridge is completed, concrete required on site is reduced in the installation process, and further the damage to the environment is reduced.

Referring to fig. 2 and 3, the connecting assembly 4 includes a connecting beam 41 and two sealing plates 42, the two sealing plates 42 are provided, the sealing plates 42 are slidably sleeved on the circumferential outer wall of the connecting beam 41, the circumferential outer wall of the sealing plate 42 is abutted against the circumferential inner wall of the cavity of the precast box girder 2, the folding assembly 3 includes a supporting plate 31 and a mounting plate 32, the mounting plate 32 is vertically and fixedly connected to the central position of the lower surface of the supporting plate 31, the mounting plate 32 is parallel to the end surface of the precast box girder 2, the side surface of the mounting plate 32 parallel to the end surface of the precast box girder 2 is provided with an inserting hole 321, the side wall of the mounting block 11 parallel to the end surface of the precast box girder 2 is provided with a limiting hole 111, the upper surface of the precast box girder 2 near the two end surfaces is provided with an inserting groove 22, the depth of the inserting groove 22 is the same as the thickness of the supporting plate 31, when the connecting assembly 4 is used to connect the adjacent precast box girder 2 and the folding assembly 3, firstly connect the adjacent precast box girder 2 with the precast pier 1, after the connection is completed, the sealing plates 42 are inserted between the prefabricated box girders 2, the supporting plates 31 are inserted in the insertion grooves 22, the mounting plates 32 are ensured to be positioned between the adjacent prefabricated box girders 2, the connecting beam 41 penetrates through the insertion holes 321 and the limiting holes 111 from any end of the two connected prefabricated box girders 2 which are deviated from each other, and the connection between the adjacent prefabricated box girders 2 and the folding assembly 3 is realized. The arrangement of the folding component 3 and the connecting component 4 reduces the amount of concrete required by the environment-friendly steel structure bridge on site, and further reduces the damage to the environment.

Referring to fig. 3, shrouding 42's circumference outer wall fixedly connected with stopper 421, stopper 421 cross section is semi-circular, and stopper 421 the plane and shrouding 42 fixed connection, prefabricated case roof beam 2 cavity circumference inner wall seted up with stopper 421 to the spacing groove 23 of adaptation, when pegging graft shrouding 42 in prefabricated case roof beam 2, guarantee that stopper 421 pegs graft in spacing groove 23, stopper 421 and spacing groove 23 set up the stability of being connected between shrouding 42 and prefabricated case roof beam 2.

Referring to fig. 2 and 3, a pouring hole 411 is formed in the center of the upper surface of the coupling beam 41, slurry leakage holes 412 are formed in two symmetric side walls of the coupling beam 41 in the length direction, the slurry leakage holes 412 are formed in a plurality of positions, the slurry leakage holes 412 are located at two ends, which are away from each other, of the sealing plate 42, pouring pipes 5 are inserted in the supporting plate 31 and the mounting plate 32, the pouring pipes 5 are communicated with the pouring holes 411, after the connection of the coupled precast box girders 2 and the folding assembly 3 is completed by using the connecting assembly 4, concrete is poured into the coupling beam 41 from the pouring pipes 5, and at this time, the concrete in the coupling beam 41 flows into the precast box girders 2 from the slurry leakage holes 412, so that the stability between the coupling beam 41 and the precast box girders 2 is improved.

Referring to fig. 1, backup pad 31 and prefabricated box girder 2 are connected out and are provided with sealed buffer layer 6, and sealed buffer layer 6 chooses for use rubber to make as the raw materials, and the setting of sealed buffer layer 6 has improved the sealing nature of being connected between backup pad 31 and prefabricated box girder 2, guarantees environment-friendly steel structure bridge's stability in use simultaneously.

The implementation principle of an environment-friendly steel structure bridge in the embodiment of the application is as follows: prefabricated pier 1, prefabricated box girder 2 and fold subassembly 3 and all adopt prefabricated form to make, during the installation, be connected prefabricated pier 1 and ground, use installation piece 11 to carry out simple connection with prefabricated pier 1 and prefabricated box girder 2 first after the connection is accomplished, after adjacent prefabricated box girder 2 is connected, use and fold subassembly 3 and fill the space between adjacent prefabricated box girder 2, use coupling assembling 4 to fold subassembly 3 and continuous prefabricated box girder 2 and connect simultaneously, after connecting and connecting, pour the concrete in pipe 5, and then accomplish the installation of whole environment-friendly steel structure bridge, the required concrete in scene has been reduced, and then reduced the harm to the environment.

The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an environment-friendly steel structure bridge which characterized in that: including prefabricated pier (1) and prefabricated box girder (2), prefabricated pier (1) is vertical to be set up, and prefabricated pier (1) bottom and ground fixed connection, prefabricated box girder (2) are located the top of prefabricated pier (1), prefabricated box girder (2) are hollow tubular structure, mounting hole (21) have been seted up to the lower surface of prefabricated box girder (2), fixed surface is connected with installation piece (11) on prefabricated pier (1), installation piece (11) cross-sectional area is less than the cross-sectional area of prefabricated pier (1), install piece (11) are pegged graft in mounting hole (21), the space between adjacent prefabricated box girder (2) is provided with folds subassembly (3), it will fold coupling assembling (4) that subassembly (3) and prefabricated box girder (2) are connected to fold to be provided with between subassembly (3) and the prefabricated box girder (2).

2. The environment-friendly steel structure bridge of claim 1, wherein: fold subassembly (3) and include backup pad (31) and mounting panel (32), mounting panel (32) vertical fixation connects and puts in backup pad (31) lower surface central point, and spacing hole (111) have been seted up with the parallel lateral wall in prefabricated case roof beam (2) both ends face in installation piece (11), and backup pad (31) erect between two adjacent prefabricated case roof beams (2), and coupling assembling (4) connect adjacent prefabricated case roof beam (2).

3. The environment-friendly steel structure bridge of claim 2, wherein: coupling assembling (4) are including linking roof beam (41) and shrouding (42), and shrouding (42) are provided with two, and shrouding (42) slip cover is established at the circumference outer wall of linking roof beam (41), the circumference outer wall of shrouding (42) and the circumference inner wall butt of prefabricated box roof beam (2) cavity, and spliced eye (321) have been seted up to side that mounting panel (32) and prefabricated box roof beam (2) terminal surface are parallel, spacing hole (111) and spliced eye (321) all with linking roof beam (41) looks adaptation.

4. The environment-friendly steel structure bridge of claim 2, wherein: the upper surface of the precast box girder (2) is provided with an embedded groove (22), and the depth of the embedded groove (22) is the same as the thickness of the support plate (31).

5. The environment-friendly steel structure bridge of claim 3, wherein: even roof beam (41) are hollow columnar structure, and the upper surface intercommunication of even roof beam (41) has pouring hole (411), and even roof beam (41) length direction both sides wall has seted up hourglass thick liquid hole (412), leaks thick liquid hole (412) and is located the both ends that two shrouding (42) deviate from each other, is provided with in backup pad (31) and mounting panel (32) and pours pipe (5), pours pipe (5) and just to pouring hole (411).

6. The environment-friendly steel structure bridge of claim 2, wherein: and a sealing buffer layer (6) is arranged between the support plate (31) and the prefabricated box girder (2).

7. The environment-friendly steel structure bridge of claim 3, wherein: the side wall fixedly connected with stopper (421) of shrouding (42) circumference, seted up spacing groove (23) in the cavity of prefabricated case roof beam (2), stopper (421) are pegged graft in spacing groove (23).

8. The environment-friendly steel structure bridge of claim 7, wherein: the cross section of the limiting block (421) is semicircular, and the plane of the limiting block (421) is fixedly connected with the sealing plate (42).