CN217203587U

CN217203587U - Pedestrian overpass structure with special-shaped curve modeling

Info

Publication number: CN217203587U
Application number: CN202221018572.9U
Authority: CN
Inventors: 李韩; 褚文涛; 涂满明; 周功建; 周超舟; 陈世明; 代皓; 夏刚; 罗晓甜; 张卫红; 杨帆; 李娜; 张涵理; 雷雨劼
Original assignee: China Railway Major Bridge Engineering Group Co Ltd MBEC
Current assignee: China Railway Major Bridge Engineering Group Co Ltd MBEC
Priority date: 2022-04-20
Filing date: 2022-04-20
Publication date: 2022-08-16
Anticipated expiration: 2032-04-20

Abstract

The application relates to a pedestrian bridge structure with dysmorphism curved modeling, it includes: a body beam; the main body beam includes: the first steel box girder is arc-shaped, the second steel box girder is arc-shaped, two ends of the first steel box girder are respectively connected with a second ladder way and a fourth ladder way, a first connecting point is arranged on the first steel box girder, and the first connecting point is positioned between the second ladder way and the fourth ladder way; two ends of the second steel box girder are respectively connected with a first ladder way and a third ladder way, a second connecting point is arranged on the second steel box girder, and the second connecting point is positioned between the first ladder way and the third ladder way; the first steel box girder is connected with one end of the second ladder way and is connected to the second connecting point, and the second steel box girder is connected with one end of the third ladder way and is connected to the first connecting point. The utility model discloses first steel box girder and second steel box girder atress system are continuous beam atress system in the main part roof beam, and the structure is comparatively simple, does not have the complicated structure molding and the complicated member of atress, and the economic nature is better.

Description

Pedestrian overpass structure with special-shaped curve modeling

Technical Field

The application relates to the field of landscape bridges, in particular to a pedestrian overpass structure with a special-shaped curve model.

Background

Compared with the conventional bridge, the landscape design of the bridge is more concerned with the landscape design of the bridge, the bridge landscape is the design subject of the environments of landscape audiences, landscape main bodies, landscape carriers and the like, the landscape bridge establishes a novel design mode of landscape design and structural design in parallel at the initial design stage, and therefore the mode that the bridge landscape design is carried out after the structural design of the bridge main bodies is finished in the prior art is changed.

In bridge design, in order to realize landscape effect, unique structural forms such as a suspension bridge, a cable-stayed bridge, an arch bridge and a complex space curve are generally adopted, the construction cost is greatly increased, and the construction difficulty is increased due to the complexity of the structure.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application provides a pedestrian bridge structure with special-shaped curve modeling to solve and adopt complicated structural style for realizing the bridge landscape effect among the correlation technique, can increase engineering cost and construction degree of difficulty.

In order to achieve the above object, the utility model provides a following technical scheme: a pedestrian overpass structure with a special-shaped curve model comprises: the main body beam is of a special-shaped curve structure; the main body beam includes: the steel box girder comprises a first steel box girder and a second steel box girder, wherein the first steel box girder is arc-shaped, two ends of the first steel box girder are respectively connected with a second ladder way and a fourth ladder way, a first connecting point is arranged on the first steel box girder, and the first connecting point is positioned between the second ladder way and the fourth ladder way; two ends of the second steel box girder are respectively connected with a first ladder way and a third ladder way, a second connecting point is arranged on the second steel box girder, and the second connecting point is positioned between the first ladder way and the third ladder way; and one end of the first steel box girder, which is connected with the second ladder way, is connected to the second connecting point, and one end of the second steel box girder, which is connected with the third ladder way, is connected to the first connecting point.

In some embodiments, the first steel box girder and the second steel box girder are straight web steel box girders with equal height.

In some embodiments, the arc is a circular arc or an elliptical arc.

In some embodiments, the body beam further comprises a third steel box beam disposed between the first and second steel box beams.

In some embodiments, the third steel box girder is a circular ring structure.

In some embodiments, the first steel box girder and the second steel box girder are both in communication with a third steel box girder.

In some embodiments, the third steel box girder is a straight web steel box girder.

In some embodiments, the included angle between lane three and lane four is an acute angle.

In some embodiments, the body beam has a full length of 241.616m and a bridge width of 4.0 m.

In some embodiments, the first lane and the second lane are parallel to each other.

The beneficial effect that technical scheme that this application provided brought includes:

the embodiment of the application provides a pedestrian bridge structure with dysmorphism curved modeling, first steel box girder and second steel box girder atress system are continuous beam atress system in the main part roof beam, and its structure is comparatively simple, does not have complicated structural modeling and the complicated member of atress, and its cost is lower than unique structural style such as other suspension bridge, cable-stay bridge, arched bridge and complicated space curve, and the economic nature is better.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a top view of the overall structure provided in the embodiments of the present application.

In the figure: 1. a body beam; 10. a first steel box girder; 11. a second steel box girder; 12. a third steel box girder; 2. a first ladder way; 3. a second ladder way; 4. a third ladder way; 5. and step four.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Referring to fig. 1, an embodiment of the present application provides a pedestrian bridge structure with a shaped curve, which includes: the main body beam 1 is of a special-shaped curve structure; the body beam 1 includes: the first steel box girder 10 is arc-shaped, two ends of the first steel box girder 10 are respectively connected with a second ladder way 3 and a fourth ladder way 5, a first connecting point is arranged on the first steel box girder 10, and the first connecting point is positioned between the second ladder way 3 and the fourth ladder way 5; the two ends of the second steel box girder 11 are respectively connected with a first ladder way 2 and a third ladder way 4, the second steel box girder 11 is provided with a second connecting point, and the second connecting point is positioned between the first ladder way 2 and the third ladder way 4; and one end of the first steel box girder 10 connected with the second ladder way 3 is connected to the second connection point, and one end of the second steel box girder 11 connected with the third ladder way 4 is connected to the first connection point.

First

steel box girder

10 and 11 atress systems of second steel box girder are continuous beam atress system, and the structure is comparatively simple, does not have complicated structural modeling and the complicated member of atress, and main part roof beam 1 is whole length 241.616m, and the bridge face transverse arrangement is for 4.0m, bridge floor transverse arrangement: 0.25 (railing) +3.5 (sidewalk) +0.25 (railing) ═ 4.0m, and first steel box girder 10 and second steel box girder 11 cross the motor vehicle way, have realized people's car reposition of redundant personnel.

In some embodiments, the first steel box girder 10 and the second steel box girder 11 are straight web steel box girders having equal heights.

The first steel box girder 10 and the second steel box girder 11 are 1.2m high and 4.0m wide at the top, and the bridge deck is provided with a longitudinal slope and is not provided with a transverse slope.

In some embodiments, the arc shape is a circular arc or an elliptical arc, the main body beam 1 further includes a third steel box beam 12, the third steel box beam 12 is disposed between the first steel box beam 10 and the second steel box beam 11, and the third steel box beam 12 is a circular ring structure.

The radius of the circular arcs of the first steel box girder 10 and the second steel box girder 11 are both 55m, the total length is 81.334m and 110.017m respectively, the inner sides of the circular arcs of the first steel box girder 10 and the second steel box girder 11 are close to each other to form the shape of the outline of eyes, and the tail parts of the eyes of the first steel box girder 10 and the second steel box girder 11 extend across the motor vehicle lane.

In some embodiments, the first steel box girder 10 and the second steel box girder 11 are both in communication with the third steel box girder 12.

The third steel box girder 12 is a straight web steel box girder, the third steel box girder 12 is positioned at the center of the eye outline formed by the first steel box girder 10 and the second steel box girder 11 and is fixedly connected with the first steel box girder 10 and the second steel box girder 11, a pedestrian can walk on the third steel box girder 12 through the first steel box girder 10 and the second steel box girder 11, and meanwhile, the pedestrian can stand on the third steel box girder 12 to watch the landscape under the pedestrian overpass, so that the landscape design of the device is parallel to the structural design.

In some embodiments, the angle between lane three 4 and lane four 5 is acute, and lane one 2 and lane two 3 are parallel to each other.

The first ladder way 2, the second ladder way 3, the third ladder way 4 and the fourth ladder way 5 are all steel structure stairs and are respectively arranged on two sides of the motor vehicle way to be connected with a ground sidewalk, the first ladder way 2 and the fourth ladder way 5 are placed on the bracket at the beam end of the main body beam 1, the third ladder way 4 and the second ladder way 3 are respectively fixedly connected with the main body beam 1 beside the first ladder way to form a whole, and then the third ladder way and the fourth ladder way are placed on the bracket of the crossed main body beam 1.

In the description of the present application, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present application. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It is noted that, in the present application, relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The above description is merely exemplary of the present application and is presented to enable those skilled in the art to understand and practice the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a pedestrian bridge structure with dysmorphism curvilinear figure which characterized in that, it includes: the main body beam (1), the main body beam (1) is of a special-shaped curve structure;

the main body beam (1) comprises:

the steel box girder comprises a first steel box girder (10) which is arc-shaped, wherein two ends of the first steel box girder (10) are respectively connected with a second ladder way (3) and a fourth ladder way (5), the first steel box girder (10) is provided with a first connecting point, and the first connecting point is positioned between the second ladder way (3) and the fourth ladder way (5);

the steel box girder comprises a first steel box girder (11) and a second steel box girder (11), wherein the two ends of the first steel box girder (11) are respectively connected with a first ladder way (2) and a third ladder way (4), the second steel box girder (11) is provided with a second connecting point, and the second connecting point is positioned between the first ladder way (2) and the third ladder way (4);

and one end of the first steel box girder (10) connected with the second ladder way (3) is connected to the second connecting point, and one end of the second steel box girder (11) connected with the third ladder way (4) is connected to the first connecting point.

2. The pedestrian overpass structure with the irregularly-shaped curved configuration of claim 1, wherein: the first steel box girder (10) and the second steel box girder (11) are straight web steel box girders with equal height.

3. The pedestrian overpass structure with the irregularly-shaped curved configuration of claim 1, wherein: the arc is a circular arc or an elliptical arc.

4. The pedestrian overpass structure with the irregularly-shaped curved configuration of claim 1, wherein: the main body beam (1) further comprises a third steel box beam (12), and the third steel box beam (12) is arranged between the first steel box beam (10) and the second steel box beam (11).

5. The pedestrian overpass structure with the irregularly-shaped curved configuration of claim 4, wherein: and the third steel box girder (12) is of a circular ring structure.

6. The pedestrian overpass structure with the irregularly-shaped curved configuration of claim 4, wherein: and the first steel box girder (10) and the second steel box girder (11) are communicated with the third steel box girder (12).

7. The pedestrian overpass structure with the irregularly-shaped curved configuration of claim 4, wherein: and the third steel box girder (12) adopts a straight web steel box girder.

8. The pedestrian overpass structure with the irregularly-shaped curved configuration of claim 1, wherein: and an included angle between the third ladder way (4) and the fourth ladder way (5) is an acute angle.

9. The pedestrian overpass structure with the heteromorphic curve modeling of claim 1, wherein: the total length of the main body beam (1) is 241.616m, and the bridge width is 4.0 m.

10. The pedestrian overpass structure with the heteromorphic curve modeling of claim 1, wherein: the first ladder way (2) and the second ladder way (3) are parallel to each other.