CN214143356U - Structure for controlling cracking of double-arch bridge abdominal arch - Google Patents
Structure for controlling cracking of double-arch bridge abdominal arch Download PDFInfo
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- CN214143356U CN214143356U CN202023137654.9U CN202023137654U CN214143356U CN 214143356 U CN214143356 U CN 214143356U CN 202023137654 U CN202023137654 U CN 202023137654U CN 214143356 U CN214143356 U CN 214143356U
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Abstract
The utility model relates to an arch bridge reinforced structure technical field just discloses a control hyperbolic arch bridge binder cracking structure. Compared with the traditional belly arch reinforcing structure, the structure realizes light weight reinforcement, greatly reduces construction area, reduces construction difficulty, saves material consumption, reduces engineering cost, and has little damage to the arch bridge; meanwhile, dead load generated in the later period is effectively reduced, and the method has a large engineering application value; in addition, the structure is simple, the weight is light, and the use safety is high.
Description
Technical Field
The utility model relates to an arch bridge reinforced structure technical field specifically is a control hyperbolic arch bridge binder arch fracture structure.
Background
In the later stage of the 20 th century and the 60 th era, the utility model discloses a hyperbolic arch bridge built by adopting the technology of 'breaking whole into parts and integrating the whole into parts', and the hyperbolic arch bridge has the advantages of material saving, low manufacturing cost, convenient construction, beautiful appearance and the like. During actual construction, the main arch rings of the double-arch bridge are constructed in sequence by a method of 'breaking the whole into zero', and then the main arch rings are combined into a bearing integral structure in a 'zero-collecting-whole' mode. However, the load grade of the initially designed double arch bridge is low, and with the increase of service life and the increasing increase of traffic volume, most of the early built double arch bridges have the defects of a large number of longitudinal and transverse cracks, poor structural integrity, relatively low bearing capacity and the like. Therefore, a structure for reinforcing the abdominal arch of the double-arch bridge, which has the advantages of simple steps, simple operation, suitability for reinforcing the double-arch bridge with diseases of different degrees, good reinforcing effect and capability of fully exerting the concrete compression resistance of the original double-arch bridge structure, is needed at present.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a control hyperbolic arch bridge abdominal arch fracture structure reaches and realizes the lightweight reinforcement when improving arch bridge bearing capacity and safety in utilization, reduces the damage to the pontic, reduces the construction degree of difficulty and reduces construction cost's purpose.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a control hyperbolic arch bridge abdominal arch fracture structure, includes the pontic, abdominal arch and arch rib, the abdominal arch sets up the bottom at the pontic, the bottom and the arch rib of abdominal arch are connected, the side of pontic is provided with fixed reinforcement, fixed reinforcement's surface cover is equipped with connecting reinforcement, connecting reinforcement keeps away from a pot head of fixed reinforcement and establishes on the surface of horizontal pole, the top fixedly connected with stiffener of horizontal pole, the top of stiffener is provided with the reinforcing plate, the top fixed mounting of abdominal arch has the mount pad, the top and the stiffener fixed connection of mount pad.
Preferably, the reinforcing plate is an arc-shaped plate, and the radian of the top of the reinforcing plate is matched with the radian of the bottom of the abdominal arch.
Preferably, the left and right sides of the bridge body are provided with fixed reinforcing steel bars, the fixed reinforcing steel bars are embedded into the bridge body, and the embedding depth is not less than twenty centimeters.
Preferably, the middle part fixed mounting on stiffener bottom surface has the strengthening rib, the fixed welding of stiffener is in the bottom of reinforcing plate, the quantity of stiffener is three group settings, and three groups stiffener evenly distributed is on the bottom surface of reinforcing plate.
Preferably, the cross rod and the reinforcing rod are perpendicular to each other, and the reinforcing rod is fixedly welded to the top of the cross rod.
Preferably, both ends of the reinforcing rod are fixedly connected with mounting seats, and the mounting seats are fixedly connected with the arch ribs through fixing bolts.
The utility model provides a control hyperbolic arch bridge abdominal arch fracture structure. The method has the following beneficial effects:
the utility model discloses a fixed steel bar is fixedly installed on the left and right sides of the bridge body, and the fixed steel bar is fixedly connected with the cross bar through the connecting steel bar, and the reinforcing bar is fixedly welded on the top of the cross bar, and the reinforcing plate is fixedly welded on the top of the reinforcing bar, thereby the abdominal arch can be commonly supported through the fixed steel bar, the connecting steel bar, the cross bar, the reinforcing bar and the reinforcing plate, so that the bridge body and the abdominal arch are commonly stressed, thereby the effect of controlling the cracking of the abdominal arch is achieved, the bearing capacity of the bridge body is simultaneously improved, the service life of the reinforcing bar is further improved by arranging the reinforcing rib in the middle of the bottom surface of the reinforcing bar, the mounting seats are fixedly installed at the two ends of the reinforcing bar, and the mounting seats are fixedly installed at the top of the arch rib through the fixing bolts, through the arrangement of a plurality of sets of mounting seats, the supporting effect of the reinforcing bar to the reinforcing plate and the abdominal arch can be improved, compared with the traditional reinforcing mode of the abdominal arch, the lightweight reinforcement is realized, the construction area is greatly reduced, the construction difficulty is reduced, the material consumption is saved, the engineering cost is reduced, and the damage to the arch bridge is small; meanwhile, dead load generated in the later period is effectively reduced, and the method has a large engineering application value; in addition, the structure is simple, the weight is light, and the use safety is high.
Drawings
FIG. 1 is a schematic side view of the present invention;
FIG. 2 is a schematic view of the local bottom view structure of the present invention;
fig. 3 is a schematic top view of the connection between the mounting seat and the abdominal arch.
In the figure: 1 bridge body, 2 abdominal arches, 3 arch ribs, 4 fixed reinforcing steel bars, 5 connecting reinforcing steel bars, 6 cross bars, 7 reinforcing rods, 8 reinforcing ribs, 9 mounting seats, 10 fixing bolts and 11 reinforcing plates.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
As shown in fig. 1-3, the utility model provides a technical solution: a structure for controlling cracking of a hyperbolic arch bridge abdominal arch comprises a bridge body 1, an abdominal arch 2 and an arch rib 3, wherein the abdominal arch 2 is arranged at the bottom of the bridge body 1, the bottom of the abdominal arch 2 is connected with the arch rib 3, a fixing steel bar 4 is arranged on the side face of the bridge body 1, the fixing steel bar 4 is arranged on each of the left side and the right side of the bridge body 1, the fixing steel bar 4 is embedded into the bridge body 1, the embedding depth is not lower than twenty centimeters, a connecting steel bar 5 is sleeved on the surface of the fixing steel bar 4, one end, far away from the fixing steel bar 4, of the connecting steel bar 5 is sleeved on the surface of a cross bar 6, the top of the cross bar 6 is fixedly connected with a reinforcing rod 7, the cross bar 6 and the reinforcing rod 7 are perpendicular to each other, the reinforcing rod 7 is fixedly welded on the top of the cross bar 6, a reinforcing plate 11 is arranged on the top of the reinforcing rod 7, the reinforcing plate 11 is an arc-shaped plate, the radian of the top of the reinforcing plate 11 is matched with the radian of the bottom of the abdominal arch 2, a reinforcing rod 8 is fixedly arranged in the middle of the surface of the bottom of the reinforcing rod 7, the reinforcing rods 7 are fixedly welded at the bottom of the reinforcing plate 11, the number of the reinforcing rods 7 is three groups, the three groups of reinforcing rods 7 are uniformly distributed on the surface of the bottom of the reinforcing plate 11, the top of the abdominal arch 2 is fixedly provided with an installation seat 9, the top of the installation seat 9 is fixedly connected with the reinforcement, two ends of the reinforcing rods 7 are fixedly connected with the installation seat 9, the installation seat 9 is fixedly connected with the arch rib 3 through a fixing bolt 10, the fixing reinforcing steel bars 4 are fixedly installed at the left side and the right side of the bridge body 1, the fixing reinforcing steel bars 4 are fixedly connected with the cross bar 6 through the connecting reinforcing steel bars 5, the reinforcing rods 7 are fixedly welded at the top of the cross bar 6, the reinforcing plate 11 is fixedly welded at the top of the reinforcing rods 7, so that the abdominal arch 2 can be supported through the fixing reinforcing steel bars 4, the connecting reinforcing steel bars 5, the cross bar 6, the reinforcing rods 7 and the reinforcing plate 11, and the bridge body 1 and the abdominal arch 2 are stressed together, thereby reach control abdominal arch 2 fracture, improve the 1 bearing capacity of the pontic simultaneously, set up strengthening rib 8 through the middle part on 7 bottom surfaces of stiffener, thereby further improve the life of stiffener 7, at the both ends fixed mounting of stiffener 7 mount pad 9, and mount pad 9 passes through fixing bolt 10 fixed mounting at arch rib 3's top, through the setting of multiunit mount pad 9, can improve the 7 supporting effect to reinforcing plate 11 and abdominal arch 2 of stiffener.
The working principle is as follows: the fixed reinforcing steel bars 4 are fixedly installed on the left side and the right side of the bridge body 1, the fixed reinforcing steel bars 4 are fixedly connected with the cross bar 6 through the connecting reinforcing steel bars 5, the reinforcing rods 7 are fixedly welded on the top of the cross bar 6, and the reinforcing plates 11 are fixedly welded on the top of the reinforcing rods 7, so that the web arches 2 can be supported through the fixed reinforcing steel bars 4, the connecting reinforcing steel bars 5, the cross bar 6, the reinforcing rods 7 and the reinforcing plates 11, the bridge body 1 and the web arches 2 are stressed together, the cracking of the web arches 2 is controlled, the bearing capacity of the bridge body 1 is improved, the service life of the reinforcing rods 7 is further prolonged by arranging the reinforcing ribs 8 in the middle of the bottom surface of the reinforcing rods 7, the installation seats 9 are fixedly installed at the two ends of the reinforcing rods 7, the installation seats 9 are fixedly installed on the tops of the web arches 3 through the fixing bolts 10, and the supporting effect of the reinforcing rods 7 on the reinforcing plates 11 and the web arches 2 can be improved through the arrangement of the multiple groups of the installation seats 9, compared with the traditional abdominal arch reinforcement mode, the lightweight reinforcement is realized, the construction area is greatly reduced, the material consumption is saved, the engineering cost is reduced, and the damage to the arch bridge body 1 is small; meanwhile, dead load generated in the later period is effectively reduced, and the method has a large engineering application value; in addition, the structure is simple, the weight is light, and the use safety is high.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a control hyperbolic arch bridge abdominal arch fracture structure, includes the pontic (1), abdominal arch (2) and arch rib (3), its characterized in that: the utility model discloses a bridge, including the bridge body (1), the bottom of abdominal arch (2) is connected with arch rib (3), the side of the bridge body (1) is provided with fixed reinforcement (4), the surface cover of fixed reinforcement (4) is equipped with connecting reinforcement (5), the one end cover that fixed reinforcement (4) were kept away from in connecting reinforcement (5) is established on the surface of horizontal pole (6), the top fixedly connected with stiffener (7) of horizontal pole (6), the top of stiffener (7) is provided with reinforcing plate (11), the top fixed mounting of abdominal arch (2) has mount pad (9), the top and stiffener (7) fixed connection of mount pad (9).
2. The structure for controlling cracking of an abdominal arch of a double arch bridge as recited in claim 1, wherein: the reinforcing plate (11) is an arc-shaped plate, and the radian of the top of the reinforcing plate (11) is matched with the radian of the bottom of the abdominal arch (2).
3. The structure for controlling cracking of an abdominal arch of a double arch bridge as recited in claim 1, wherein: fixed reinforcing bar (4) all are provided with in both sides about the pontic (1), the inside and the embedding degree of depth of fixed reinforcing bar (4) embedding pontic (1) are not less than twenty centimetres.
4. The structure for controlling cracking of an abdominal arch of a double arch bridge as recited in claim 1, wherein: the middle part fixed mounting on stiffener (7) bottom surface has strengthening rib (8), stiffener (7) fixed welding is in the bottom of reinforcing plate (11), the quantity of stiffener (7) is three group settings, and three groups stiffener (7) evenly distributed is on the bottom surface of reinforcing plate (11).
5. The structure for controlling cracking of an abdominal arch of a double arch bridge as recited in claim 1, wherein: the cross rod (6) and the reinforcing rod (7) are perpendicular to each other, and the reinforcing rod (7) is fixedly welded to the top of the cross rod (6).
6. The structure for controlling cracking of an abdominal arch of a double arch bridge as recited in claim 1, wherein: the two ends of the reinforcing rod (7) are fixedly connected with mounting seats (9), and the mounting seats (9) are fixedly connected with the arch ribs (3) through fixing bolts (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023137654.9U CN214143356U (en) | 2020-12-23 | 2020-12-23 | Structure for controlling cracking of double-arch bridge abdominal arch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023137654.9U CN214143356U (en) | 2020-12-23 | 2020-12-23 | Structure for controlling cracking of double-arch bridge abdominal arch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214143356U true CN214143356U (en) | 2021-09-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023137654.9U Active CN214143356U (en) | 2020-12-23 | 2020-12-23 | Structure for controlling cracking of double-arch bridge abdominal arch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214143356U (en) |
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2020
- 2020-12-23 CN CN202023137654.9U patent/CN214143356U/en active Active
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