CN215164815U

CN215164815U - Concrete bridge steel sheet reinforced structure

Info

Publication number: CN215164815U
Application number: CN202120366677.2U
Authority: CN
Inventors: 杨森; 罗艳民; 程行勇; 程文度; 张晶
Original assignee: Anhui Hetong Construction Engineering Group Co ltd
Current assignee: Anhui Hetong Construction Engineering Group Co ltd
Priority date: 2021-02-07
Filing date: 2021-02-07
Publication date: 2021-12-14
Anticipated expiration: 2031-02-07

Abstract

The utility model relates to a concrete bridge steel sheet reinforced structure belongs to the technical field of concrete bridge, and it includes the bridge body, fix stand, the coupling assembling that sets up at the gusset plate of bridge body bottom surface and be used for connecting gusset plate and stand at bridge body lower extreme, coupling assembling includes first connecting rod and the second connecting rod of being connected with the gusset plate, the upper end of first connecting rod with the upper end of second connecting rod all with the gusset plate is fixed, the lower extreme of first connecting rod with the lower extreme of second connecting rod is fixed just first connecting rod with the junction of second connecting rod with the lateral wall of stand is fixed, first connecting rod with distance between the second connecting rod reduces from last to down gradually. The utility model provides a form triangle-shaped stable structure between first connecting rod, second connecting rod and the stand, under the support of first connecting rod and second connecting rod, firm in connection between gusset plate and the bridge body to improve the reinforcing effect of gusset plate to the bridge body.

Description

Concrete bridge steel sheet reinforced structure

Technical Field

The application relates to the technical field of concrete bridges, in particular to a concrete bridge steel plate reinforcing structure.

Background

Concrete bridges are widely used as bridges mainly made of construction materials in small and medium-sized rivers, domestic and foreign countries, working bridges in hydraulic engineering and the like, and bridge decks in upper structures of the concrete bridges are mostly cast-in-place or fabricated reinforced concrete plates. When concrete crack and degree of depth surpass certain limit value, can accelerate the carbonization of concrete, lead to the reinforcing bar corrosion, reduce the intensity of concrete bridge, consequently need consolidate the concrete bridge. The steel plate pasting method is a common concrete bridge reinforcing method, and is suitable for the situations that the bearing capacity of a bridge is reduced, longitudinal main ribs are seriously corroded, or a main beam of a beam-slab bridge is seriously cracked, and the like. The method for adhering steel plates mainly adopts epoxy resin or building structural adhesive to tightly adhere the steel plates and the tensioned regions or shear-resistant weak parts of reinforced concrete structures together, so that the steel plates and the reinforced concrete bridges form a whole.

The utility model discloses a concrete bridge steel sheet reinforced structure is disclosed for chinese utility model patent that the publication number is CN205329561U for the authorization of correlation technique, including the bridge body, at the gusset plate that this bridge body lower surface was equipped with, the lower fixed surface of this gusset plate is connected with the vertical deep floor that suits with this bridge body, distributes a plurality of keyhole on the gusset plate, passes the crab-bolt in the keyhole and fixes the gusset plate on the bridge body.

In view of the above-mentioned related arts, the inventor believes that if the anchor bolt loosens, the connection strength between the reinforcing plate and the bridge body is reduced, and there is a defect that the reinforcing effect between the reinforcing plate and the concrete bridge is poor.

SUMMERY OF THE UTILITY MODEL

In order to improve the fixed strength between gusset plate and the concrete bridge, this application provides a concrete bridge steel sheet reinforced structure.

The application provides a pair of concrete bridge steel sheet reinforced structure adopts following technical scheme:

the utility model provides a concrete bridge steel sheet reinforced structure, includes the bridge body, fixes at the stand of bridge body lower extreme, sets up the gusset plate in bridge body bottom surface and is used for connecting the coupling assembling of gusset plate and stand, coupling assembling includes first connecting rod and the second connecting rod of being connected with the gusset plate, the upper end of first connecting rod with the upper end of second connecting rod all with the gusset plate is fixed, the lower extreme of first connecting rod with the lower extreme of second connecting rod is fixed just first connecting rod with the junction of second connecting rod with the lateral wall of stand is fixed, first connecting rod with distance between the second connecting rod reduces from last to down gradually.

Through adopting above-mentioned technical scheme, form triangle-shaped stable structure between first connecting rod, second connecting rod and the stand, under the support of first connecting rod and second connecting rod, firm in connection between gusset plate and the bridge body to improve the reinforcing effect of gusset plate to the bridge body.

Preferably, a fixing plate is fixed at the joint of the first connecting rod and the second connecting rod, the end face, close to the stand column, of the fixing plate is an arc-shaped face, and the fixing plate is fixed with the stand column.

Through adopting above-mentioned technical scheme, set up the area of contact between fixed plate increase coupling assembling and the stand, improve the joint strength between coupling assembling and the stand to improve the joint strength between gusset plate and the stand.

Preferably, the reinforcing plate includes integrated into one piece's first plate body and second plate body, first plate body with contained angle between the second plate body is the obtuse angle.

Through adopting above-mentioned technical scheme, in order to reduce the stress that the bridge body bore, the bridge body bottom surface generally can not set to the plane, and the gusset plate sets to first plate body and second plate body, is favorable to improving the laminating degree between gusset plate and the bridge body bottom surface.

Preferably, a first reinforcing rod is arranged on the first plate body, the upper end of the first reinforcing rod is fixed with the first plate body, and the lower end of the first reinforcing rod is fixed with the upright column close to the second plate body; the second plate body is provided with a second reinforcing rod, the upper end of the second reinforcing rod is fixed to the second plate body, and the lower end of the second reinforcing rod is fixed to the stand column close to the first plate body.

Through adopting above-mentioned technical scheme, set up first stiffener and second stiffener and can further improve the joint strength between gusset plate and the stand on the one hand, on the other hand decomposes the bearing capacity on the bridge body to the stand, improves the holistic bearing strength of concrete bridge roof beam.

Preferably, the lower extreme of first stiffener with the stand is fixed through first fixed subassembly, first fixed subassembly include with first stiffener articulated first locating plate, fix the first locating column on the stand and with first locating column threaded connection's first nut, set up on the first locating plate and supply first locating hole that first locating column passed, the axial of first locating column with the axial vertical of stand.

Through adopting above-mentioned technical scheme, first locating column inserts in first locating hole, and the first nut of screwing makes first nut and first locating plate butt to realize the fixed of first stiffener and stand.

Preferably, the lower end of the second reinforcing rod is fixed to the upright post through the second fixing assembly, the second fixing assembly comprises a second positioning plate hinged to the second reinforcing rod, a second positioning column fixed to the upright post and a second nut in threaded connection with the second positioning column, and a second positioning hole for the second positioning column to pass through is formed in the second positioning plate.

Through adopting above-mentioned technical scheme, the second locating column inserts in the second locating hole, screws the second nut and makes second nut and second locating plate butt to realize the fixed of second stiffener and stand.

Preferably, the first plate body is fixed with the bridge body through a first anchor rod, and the first anchor rod penetrates through the first plate body and is fixed in the bridge body; the second plate body is fixed with the bridge body through a second anchor rod, and the second anchor rod penetrates through the second plate body and is fixed in the bridge body.

By adopting the technical scheme, the first anchor rod is inserted into the bridge body, so that the first plate body and the bridge body are fixed; the second stock inserts in the bridge body, realizes the fixed of second plate body and bridge body.

Preferably, a plurality of reinforcing ribs are uniformly arranged between the first plate body and the second plate body along the length direction of the first plate body and the second plate body.

Through adopting above-mentioned technical scheme, set up the strengthening rib, can improve the intensity between first plate body and the second plate body to improve the reinforcing effect of gusset plate to the bridge body, avoid the bridge body to produce the crack.

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

1. a triangular stable structure is formed among the first connecting rod, the second connecting rod and the stand column, and the reinforcing plate is firmly connected with the bridge body under the support of the first connecting rod and the second connecting rod, so that the reinforcing effect of the reinforcing plate on the bridge body is improved;

2. the arrangement of the first reinforcing rod and the second reinforcing rod can further improve the connection strength between the reinforcing plate and the upright column on one hand, and decompose the bearing capacity of the bridge body onto the upright column on the other hand, so that the integral bearing strength of the concrete bridge is improved;

3. set up the strengthening rib between first plate body and the second plate body, can improve the intensity between first plate body and the second plate body to improve the reinforcing effect of gusset plate to the bridge body, avoid the bridge body to produce the crack.

Drawings

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

Fig. 2 is a schematic structural diagram of a connection assembly according to an embodiment of the present application.

Fig. 3 is a schematic structural view of a reinforcing plate according to an embodiment of the present application.

Description of reference numerals: 1. a bridge body; 2. a column; 3. a reinforcing plate; 31. a first plate body; 311. a first keyhole; 312. a first anchor rod; 32. a second plate body; 321. a second keyhole; 322. a second anchor rod; 33. reinforcing ribs; 4. a connecting assembly; 41. a first link; 42. a second link; 43. a fixing plate; 5. a first reinforcement bar; 6. a second reinforcement bar; 7. a first fixed component; 71. a first positioning plate; 711. a first positioning hole; 72. a first positioning post; 73. a first bolt; 8. a second fixed component; 81. a second positioning plate; 811. a second positioning hole; 82. a second positioning column; 83. a second nut.

Detailed Description

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

The embodiment of the application discloses concrete bridge steel sheet reinforced structure. Referring to fig. 1, a concrete bridge steel plate reinforcing structure includes a bridge body 1, columns 2, reinforcing plates 3, and a connecting assembly 4.

As shown in fig. 1, the bottom surface of the bridge body 1 is arranged in an inverted V shape, the included angle of the V shape is an obtuse angle, and the upright column 2 is arranged on the bottom surface of the bridge body 1 for supporting the bridge body 1. The cross section of stand 2 is circular, and the upper end of stand 2 is fixed with the bottom surface of bridge body 1, and stand 2 all evenly sets up a plurality ofly in the length direction and the width direction of bridge body 1.

As shown in fig. 2, the reinforcing plate 3 is disposed on the bottom surface of the bridge body 1, the reinforcing plate 3 is made of a steel plate, the reinforcing plate 3 includes a first plate 31 and a second plate 32, and an included angle between the first plate 31 and the second plate 32 is an obtuse angle, so as to adapt to the bottom surface structure of the bridge body 1. The first plate body 31 and the second plate body 32 are integrally formed, and the length directions of the first plate body 31 and the second plate body are consistent with the length direction of the bridge body 1. First bolt hole 311 is opened on the first plate body 31, the cross section of first bolt hole 311 is circular and first bolt hole 311 is evenly opened in the length direction of first plate body 31, first stock 312 has passed in the first bolt hole 311, and first stock 312 extends and inserts in the bridge body 1 and fixed with bridge body 1. The second plate body 32 is provided with a second bolt hole 321, the cross section of the second bolt hole 321 is circular, the second bolt hole 321 is uniformly arranged in the length direction of the second plate body 32, a second anchor rod 322 penetrates through the second bolt hole 321, and the second anchor rod 322 extends into the bridge body 1 and is fixed with the bridge body 1.

As shown in fig. 3, a reinforcing rib 33 is provided between the first plate 31 and the second plate 32, the longitudinal section of the reinforcing rib 33 is in an isosceles triangle shape, and both side walls of the reinforcing rib 33 are fixed to the bottom surface of the first plate 31 and the bottom surface of the second plate 32, respectively. Set up strengthening rib 33 and can improve the intensity between first plate body 31 and the second plate body 32 to improve the reinforcing effect of gusset plate 3 to bridge body 1, avoid bridge body 1 to produce the crack.

As shown in fig. 2, the two sets of connecting assemblies 4 are disposed on two sides of the fixing plate 43, each connecting assembly 4 includes a first connecting rod 41 and a second connecting rod 42, the first connecting rod 41 and the second connecting rod 42 are both obliquely disposed and are close to the high ends of the first connecting rod 41 and the second connecting rod 42 of the first plate 31 and are fixed to the side wall of the first plate 31, and the high ends of the first connecting rod 41 and the second connecting rod 42 close to the second plate 32 are both fixed to the side wall of the second plate 32. The distance between the first connecting rod 41 and the second connecting rod 42 is gradually reduced from top to bottom, the lower ends of the first connecting rod 41 and the second connecting rod 42 are fixed, a fixing plate 43 is fixed at the joint of the first connecting rod 41 and the second connecting rod 42, the end face, close to the upright post 2, of the fixing plate 43 is arc-shaped, and the fixing plate 43 is fixed with the upright post 2.

As shown in fig. 2, the first plate 31 is provided with a first reinforcing bar 5, the second plate 32 is provided with a second reinforcing bar 6, and the first reinforcing bar 5 and the second reinforcing bar 6 are arranged in a crossing manner. The upper end of the first reinforcing rod 5 is fixed to the bottom surface of the first plate 31, and the lower end of the first reinforcing rod 5 is fixed to the upright 2 near the second plate 32 by the first fixing assembly 7. The first fixing assembly 7 comprises a first positioning plate 71, a first positioning column 72 and a first bolt 73, the first positioning plate 71 is hinged to the lower end of the first reinforcing rod 5, and a first positioning hole 711 is formed in the first positioning plate 71. The axial of first locating post 72 is perpendicular to the axial of stand 2 and first locating post 72 is fixed on the lateral wall of stand 2, and first locating hole 711 is passed to the one end that first locating post 72 is kept away from stand 2, first nut and first locating post 72 screw-thread fit. The upper end of the second reinforcing rod 6 is fixed to the bottom surface of the second plate 32, and the lower end of the second reinforcing rod 6 is fixed to the upright 2 near the first plate 31 by the second fixing assembly 8. The second fixing assembly 8 includes a second positioning plate 81, a second positioning column 82 and a second nut 83, the second positioning plate 81 is hinged to the lower end of the second reinforcing rod 6, and the second positioning plate 81 is provided with a second positioning hole 811. The axial direction of the second positioning column 82 is perpendicular to the axial direction of the upright column 2, the second positioning column 82 is fixed with the upright column 2, one end, far away from the upright column 2, of the second positioning column 82 penetrates through the second positioning hole 811, and the second positioning column 82 is in threaded connection with the second nut 83.

The implementation principle of the concrete bridge steel plate reinforcing structure provided by the embodiment of the application is as follows: a triangular stable structure is formed among the first connecting rod 41, the second connecting rod 42 and the upright post 2, and under the support of the first connecting rod 41 and the second connecting rod 42, the reinforcing plate 3 is firmly connected with the bridge body 1, so that the reinforcing effect of the reinforcing plate 3 on the bridge body 1 is improved. Set up first stiffener 5 and 6 joint strength that can further improve between gusset plate 3 and the stand 2 of second stiffener on the one hand, on the other hand decomposes the bearing capacity on the bridge body 1 to stand 2, improves the holistic bearing strength of concrete bridge roof beam.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above 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 a concrete bridge steel sheet reinforced structure which characterized in that: including bridge body (1), fix stand (2) at bridge body (1) lower extreme, set up gusset plate (3) and be used for connecting coupling assembling (4) of gusset plate (3) and stand (2) at bridge body (1) bottom surface, coupling assembling (4) include first connecting rod (41) and second connecting rod (42) be connected with gusset plate (3), the upper end of first connecting rod (41) with the upper end of second connecting rod (42) all with gusset plate (3) are fixed, the lower extreme of first connecting rod (41) with the lower extreme of second connecting rod (42) is fixed just first connecting rod (41) with the junction of second connecting rod (42) with the lateral wall of stand (2) is fixed, first connecting rod (41) with distance between the second connecting rod (42) reduces from top to bottom gradually.

2. The concrete bridge steel plate reinforcing structure according to claim 1, wherein: the fixing plate (43) is fixed at the joint of the first connecting rod (41) and the second connecting rod (42), the end face, close to the upright post (2), of the fixing plate (43) is an arc-shaped face, and the fixing plate (43) is fixed with the upright post (2).

3. The concrete bridge steel plate reinforcing structure according to claim 1, wherein: the reinforcing plate (3) comprises a first plate body (31) and a second plate body (32) which are integrally formed, and an included angle between the first plate body (31) and the second plate body (32) is an obtuse angle.

4. A concrete bridge steel plate reinforcing structure according to claim 3, wherein: a first reinforcing rod (5) is arranged on the first plate body (31), the upper end of the first reinforcing rod (5) is fixed with the first plate body (31), and the lower end of the first reinforcing rod (5) is fixed with the upright post (2) close to the second plate body (32); the second plate body (32) is provided with a second reinforcing rod (6), the upper end of the second reinforcing rod (6) is fixed to the second plate body (32), and the lower end of the second reinforcing rod (6) is fixed to the upright post (2) close to the first plate body (31).

5. The concrete bridge steel plate reinforcing structure according to claim 4, wherein: the lower extreme of first stiffener (5) through first fixed subassembly (7) with stand (2) are fixed, first fixed subassembly (7) include with first stiffener (5) articulated first locating plate (71), fix first locating column (72) on stand (2) and with first locating column (72) threaded connection's first nut, offer the confession on first locating plate (71) first locating hole (711) that first locating column (72) passed, the axial of first locating column (72) with the axial vertical of stand (2).

6. The concrete bridge steel plate reinforcing structure according to claim 4, wherein: the lower end of the second reinforcing rod (6) is fixed with the upright post (2) through a second fixing component (8), the second fixing component (8) comprises a second positioning plate (81) hinged with the second reinforcing rod (6), a second positioning column (82) fixed on the upright post (2) and a second nut (83) in threaded connection with the second positioning column (82), and a second positioning hole (811) for the second positioning column (82) to pass through is formed in the second positioning plate (81).

7. A concrete bridge steel plate reinforcing structure according to claim 3, wherein: the first plate body (31) is fixed with the bridge body (1) through a first anchor rod (312), and the first anchor rod (312) penetrates through the first plate body (31) and is fixed in the bridge body (1); the second plate body (32) is fixed with the bridge body (1) through a second anchor rod (322), and the second anchor rod (322) penetrates through the second plate body (32) and is fixed in the bridge body (1).

8. A concrete bridge steel plate reinforcing structure according to claim 3, wherein: first plate body (31) with be provided with strengthening rib (33) between second plate body (32), strengthening rib (33) are along the length direction of first plate body (31) and second plate body (32) evenly sets up a plurality ofly.