CN216739205U

CN216739205U - Combined arch bridge

Info

Publication number: CN216739205U
Application number: CN202220178223.7U
Authority: CN
Inventors: 张利民; 王泽刚; 高峰立; 张立华; 肖虹强; 欧阳天武
Original assignee: Fourth Engineering Co Ltd of China Railway 20th Bureau Group Co Ltd
Current assignee: Fourth Engineering Co Ltd of China Railway 20th Bureau Group Co Ltd
Priority date: 2022-01-21
Filing date: 2022-01-21
Publication date: 2022-06-14
Anticipated expiration: 2032-01-21

Abstract

The utility model relates to a combined arch bridge, which has the technical scheme that the combined arch bridge comprises piers and a bridge body arranged on the piers, wherein the bridge body comprises a bridge floor matrix and support frames arranged on two sides of the lower part of the bridge floor matrix; two ends of the lower part of the support frame are respectively fixedly connected with the bridge piers; the support frame comprises an arched frame body; the upper part of the arched frame body is provided with a plurality of vertical supporting columns along the radian direction of the arched frame body, and the lower ends of the vertical supporting columns are fixedly connected with the arched frame body; the upper end of the vertical supporting column is provided with a plurality of transverse supporting beams arranged along the width direction of the bridge deck matrix, and the transverse supporting beams are fixedly connected with the vertical supporting column at the lower part of the transverse supporting beams; the upper part of the transverse supporting beam is provided with a plurality of longitudinal supporting beams arranged along the length direction of the bridge deck matrix, and the longitudinal supporting beams are respectively and fixedly connected with the transverse supporting beams; the bridge floor matrix is laid on the upper parts of the longitudinal support beams; the utility model adopts a modular design, and can conveniently and quickly construct the arch bridge.

Description

Combined arch bridge

Technical Field

The utility model relates to the technical field of bridge construction, in particular to a combined arch bridge.

Background

An arch bridge is a common bridge form and is widely applied to various bridge facilities. When the traditional arch bridge is constructed, the construction is usually carried out by adopting a field stacking or pouring mode. Along with the development of the building industry, the modular building is more and more widely applied, and has the advantages of high construction efficiency, convenience in monitoring and management and the like. In the construction of bridge, especially in the construction of small-size bridge, adopt the modularization structure to construct the bridge, its construction is high-efficient, and the advantage that the reliability is high is more outstanding.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a combined arch bridge, which adopts a modular design and can conveniently and quickly construct the arch bridge.

The technical purpose of the utility model is realized by the following technical scheme: a combined arch bridge comprises piers and a bridge body arranged on the piers, wherein the bridge body comprises a bridge floor matrix and support frames arranged on two sides of the lower part of the bridge floor matrix; the two ends of the lower part of the support frame are respectively fixedly connected with the bridge piers; the support frame comprises an arched frame body; the upper part of the arched frame body is provided with a plurality of vertical supporting columns along the radian direction of the arched frame body, and the lower ends of the vertical supporting columns are fixedly connected with the arched frame body; the upper end of the vertical supporting column is provided with a plurality of transverse supporting beams arranged along the width direction of the bridge deck matrix, and the transverse supporting beams are fixedly connected with the vertical supporting column at the lower part of the transverse supporting beams; the upper part of the transverse supporting beam is provided with a plurality of longitudinal supporting beams arranged along the length direction of the bridge deck base body, and the longitudinal supporting beams are respectively and fixedly connected with the transverse supporting beams; the bridge deck base body is laid on the upper portion of the longitudinal supporting beam.

According to the technical scheme, the combined arch bridge is formed by splitting a bridge body into a plurality of parts, namely a support frame, a transverse support beam, a longitudinal support beam and a bridge deck base body, and an arch frame body serving as the main part of the bridge body of the arch bridge can be prefabricated through a steel structure; the transverse supporting beams and the longitudinal supporting beams can also be prefabricated in batches in the form of concrete beams; when the facility is built for the arch bridge, all parts of the arch bridge are assembled and constructed in sequence according to the procedures, and the construction efficiency is high.

Preferably, the upper end of the vertical supporting column is provided with an inserting block; and the two ends of the lower part of the transverse supporting beam are respectively provided with a slot for being inserted with the inserting block.

Through the technical scheme, the inserting blocks are arranged at the upper ends of the vertical supporting columns, the inserting grooves used for being connected with the inserting blocks in an inserting mode are respectively formed in the two ends of the lower portion of the transverse supporting beam, then the transverse supporting beam is installed, the inserting blocks are connected with the inserting grooves in an inserting mode, the transverse supporting beam is located, and the installation is efficient and convenient.

Preferably, the lower part of the longitudinal supporting beam is provided with a positioning bulge arranged along the length direction of the longitudinal supporting beam; and the upper part of the transverse supporting beam is provided with a plurality of positioning grooves for positioning the positioning bulges along the length direction of the transverse supporting beam.

Through the technical scheme, the positioning bulge is arranged at the lower part of the longitudinal supporting beam, so that the overall structural strength of the longitudinal supporting beam can be effectively improved; and the positioning groove is formed in the upper part of the transverse supporting beam, and the longitudinal supporting beam is installed and positioned through the matching of the positioning groove and the positioning bulge, so that the operation is convenient and quick.

Preferably, the inner arc surface of the arch frame body is provided with an arc reinforcing rib.

Through above-mentioned technical scheme, through be provided with the arc strengthening rib on the intrados of arch support body, and then through the setting of arc strengthening rib, can effectively improve the structural strength of arch support body.

Preferably, the arched frame body is provided with a plurality of lightening holes transversely penetrating through the arched frame body along the radian direction of the arched frame body.

Through above-mentioned technical scheme, through set up the lightening hole on the arch support body, and then effectively alleviate the weight of arch support body, conveniently construct the installation to effectively reduce the dead weight deformation of arch support body when using.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description, serve to explain the principles of the utility model.

Fig. 1 is a schematic structural view of a modular arch bridge.

Fig. 2 is a schematic structural diagram of the support frame.

FIG. 3 is a schematic structural view of a cross support beam.

FIG. 4 is a schematic structural diagram showing the fitting relationship between the longitudinal support beam and the transverse support beam.

FIG. 5 is a schematic view of the structure of the longitudinal support beam.

Wherein, 1, bridge piers; 2. a deck substrate; 3. a support frame; 31. an arched frame body; 311. an arc-shaped reinforcing rib; 312. lightening holes; 32. a vertical support column; 321. inserting a block; 4. a transverse support beam; 41. inserting slots; 42. positioning a groove; 5. a longitudinal support beam; 51. and a positioning projection.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

Example (b):

a combined arch bridge, referring to fig. 1 and 2, comprises a bridge pier 1 and a bridge body arranged on the bridge pier 1. The bridge body comprises a bridge deck base body 2 and support frames 3 arranged on two sides of the lower portion of the bridge deck base body 2. The pier 1 is a concrete foundation pile arranged in water and used for supporting a bridge body. The supporting frame 3 is a steel structure, and includes an arch frame body 31 and a plurality of vertical supporting columns 32 located on the upper portion of the arch frame body 31, and the lower ends of the vertical supporting columns 32 are fixedly connected with the arch frame body 31. The vertical support columns 32 are arranged along the radian direction, the lengths of the vertical support columns 32 are the same or different, and the upper ends of the vertical support columns 32 are positioned in the same horizontal plane. The upper end of the vertical supporting column 32 is provided with a plurality of transverse supporting beams 4 arranged along the width direction of the bridge deck base body 2, and the transverse supporting beams 4 are fixedly connected with the vertical supporting column 32 at the lower part of the transverse supporting beams; the upper part of the transverse supporting beam 4 is provided with a plurality of longitudinal supporting beams 5 arranged along the length direction of the bridge deck base body 2, and the longitudinal supporting beams 5 are respectively and fixedly connected with the transverse supporting beams 4; the bridge deck base body 2 is laid on the upper portion of the longitudinal support beam 5.

Referring to fig. 2, arc-shaped ribs 311 are provided on the inner arc surface of the arched frame body 31. The arched frame body 31 is provided with a plurality of lightening holes 312 which transversely penetrate through the arched frame body 31 along the radian direction thereof. The arc-shaped reinforcing ribs 311 are arranged on the inner arc surface of the arched frame body 31, so that the structural strength of the arched frame body 31 can be effectively improved. Through set up lightening hole 312 on arched frame body 31, and then effectively alleviate arched frame body 31's weight, conveniently construct the installation to effectively reduce arched frame body 31 dead weight when using and warp.

Referring to fig. 1 and 3, the upper end of the vertical supporting column 32 is provided with an insert block 321; two ends of the lower part of the transverse supporting beam 4 are respectively provided with a slot 41 for being inserted into the inserting block 321. When the transverse supporting beam 4 is installed, the inserting block 321 is inserted into the inserting groove 41 to position the transverse supporting beam 4, and the installation is efficient and convenient.

Referring to fig. 4 and 5, the lower portion of the longitudinal support beam 5 is provided with a positioning protrusion 51 provided along the length direction thereof; the upper portion of the transverse supporting beam 4 is provided with a plurality of positioning grooves 42 along the length direction thereof for positioning the positioning protrusions 51. When the longitudinal supporting beam 5 is installed, the positioning groove 42 is matched with the positioning protrusion 51 to install and position the longitudinal supporting beam 5, and the operation is convenient and quick.

Although some specific embodiments of the present invention have been described in detail by way of illustration, it should be understood by those skilled in the art that the above illustration is only for the purpose of illustration and is not intended to limit the scope of the utility model. It will be appreciated by those skilled in the art that modifications can be made to the above embodiments without departing from the scope and spirit of the utility model. The scope of the utility model is defined by the appended claims.

Claims

1. The utility model provides a modular arch bridge, includes pier (1) and sets up the pontic on pier (1), its characterized in that: the bridge body comprises a bridge deck base body (2) and support frames (3) arranged on two sides of the lower portion of the bridge deck base body (2); the two ends of the lower part of the support frame (3) are respectively fixedly connected with the bridge piers (1); the support frame (3) comprises an arched frame body (31); the upper part of the arched frame body (31) is provided with a plurality of vertical supporting columns (32) along the radian direction of the arched frame body, and the lower ends of the vertical supporting columns (32) are fixedly connected with the arched frame body (31); the upper end of the vertical supporting column (32) is provided with a plurality of transverse supporting beams (4) arranged along the width direction of the bridge deck base body (2), and the transverse supporting beams (4) are fixedly connected with the vertical supporting column (32) at the lower part of the transverse supporting beams; the upper part of the transverse supporting beam (4) is provided with a plurality of longitudinal supporting beams (5) arranged along the length direction of the bridge deck base body (2), and the longitudinal supporting beams (5) are respectively and fixedly connected with the transverse supporting beams (4); the bridge deck base body (2) is laid on the upper portion of the longitudinal supporting beam (5).

2. A modular arch bridge as defined in claim 1, wherein: the upper end of the vertical supporting column (32) is provided with an inserting block (321); and two ends of the lower part of the transverse supporting beam (4) are respectively provided with a slot (41) for being spliced with the inserting block (321).

3. A modular arch bridge as defined in claim 1, wherein: the lower part of the longitudinal support beam (5) is provided with a positioning bulge (51) arranged along the length direction of the longitudinal support beam; and a plurality of positioning grooves (42) for positioning the positioning bulges (51) are formed in the upper part of the transverse supporting beam (4) along the length direction of the transverse supporting beam.

4. A modular arch bridge as defined in claim 1, wherein: and an arc-shaped reinforcing rib (311) is arranged on the inner arc surface of the arch frame body (31).

5. A modular arch bridge as defined in claim 1, wherein: the arched frame body (31) is provided with a plurality of lightening holes (312) which transversely penetrate through the arched frame body (31) along the radian direction.