CN218813149U - Bridge single-column pier anti-overturning reinforcing structure - Google Patents
Bridge single-column pier anti-overturning reinforcing structure Download PDFInfo
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- CN218813149U CN218813149U CN202221325442.XU CN202221325442U CN218813149U CN 218813149 U CN218813149 U CN 218813149U CN 202221325442 U CN202221325442 U CN 202221325442U CN 218813149 U CN218813149 U CN 218813149U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
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Abstract
The utility model relates to an anti-overturning reinforcing structure for a single-column pier of a bridge, which comprises a single-column pier for supporting the bridge, wherein a reinforcing structure is additionally arranged on the periphery of the single-column pier; the reinforcing and reinforcing structure is coated on the reinforced concrete structure of the single-column pier, the cross section of the reinforcing and reinforcing structure is in the shape of a waist circle in the width direction of the bridge, and a support is installed between the two ends of the top of the reinforcing and reinforcing structure and the bridge. The utility model discloses an add outward at original single-column mound and establish reinforcement reinforced structure and form new single-column mound to the mode that increases the pier stud cross-section of original single-column mound increases the structural strength and the bearing capacity of single-column mound, and add the mode of support at the both ends of new single-column mound, change traditional single support bearing into double-support bearing (demolish original support) or three support bearings (keep original support), thereby improved the horizontal antidumping stability of bridge.
Description
Technical Field
The utility model relates to a bridge maintenance technical field especially relates to a single pier antidumping reinforcement reinforced structure of bridge.
Background
The single-column pier bridge has the advantages of small floor area, low space layout, aesthetic structure of the bridge and the like, and is widely applied to bridge construction of urban overpasses, high-speed ramps and the like in recent years, as shown in figure 4. However, the transverse stability of the single-column pier bridge lacks corresponding regulations in construction specifications, and overturning accidents may occur in the use process of the bridge, so that the existing single-column pier bridge needs to be subjected to anti-overturning reinforcement and remediation work. However, although the conventional reinforcing structure enhances the anti-overturning effect of the bridge, the structural strength and the bearing capacity of the pier are difficult to be improved. Therefore, it is necessary to provide an anti-overturning reinforcing structure for single-column piers of bridges, which can improve the bearing capacity of the single-column piers and has an anti-overturning effect.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a can improve single-column mound bearing capacity itself and have bridge single-column mound antidumping reinforcement reinforced structure of antidumping effect.
The utility model provides a technical scheme that its technical problem adopted is:
the single-column pier anti-overturning reinforcing structure comprises a single-column pier for supporting a bridge, wherein a reinforcing structure is additionally arranged on the periphery of the single-column pier; the reinforcing and reinforcing structure is coated on the reinforced concrete structure of the single-column pier, the cross section of the reinforcing and reinforcing structure is in the shape of a waist circle in the width direction of the bridge, and a support is installed between the two ends of the top of the reinforcing and reinforcing structure and the bridge.
The utility model provides a bridge single-column pier antidumping reinforcement reinforcing structure's a preferred embodiment, reinforcement reinforcing structure includes bar planting skeleton and concrete back up coat, wherein:
the steel bar planting framework comprises a plurality of lateral steel bars, a plurality of vertical main steel bars and a plurality of structural stirrups, wherein the vertical main steel bars are arranged in a bearing platform of the single-column pier in an equidistant mode, are distributed in the periphery of the single-column pier in a waist circle mode, and are a plurality of the structural stirrups are equidistantly hooped through the vertical main steel bars, a plurality of the lateral steel bars are arranged in the single-column pier in an equidistant mode, and the other ends of the lateral steel bars are connected with the vertical main steel bars and/or the structural stirrups.
The utility model provides a bridge single-column mound antidumping reinforcement structure's in a preferred embodiment, reinforcement structure still includes the pressurized stirrup, the pressurized stirrup is located reinforcement structure's top and bottom, and set up every 10 cm.
In the utility model provides a bridge single-column pier antidumping reinforcement and reinforcement structure's a preferred embodiment, the structure stirrup sets up every 20 cm.
In the utility model provides a bridge single-column pier antidumping reinforcement and reinforcement structure's a preferred embodiment, single-column pier surface chisel hair is handled.
In the utility model provides a bridge single-column pier antidumping reinforcement and reinforcement structure's a preferred embodiment, the support adopts one of GYZF4525 x 102 type tetrafluoro slide formula rubber support, GPZ8.0DX type basin formula support, GPZ12.5DX type basin formula support.
The utility model provides a bridge single-column mound antidumping reinforcement and reinforcement structure's in the preferred embodiment, reinforcement and reinforcement structure's both sides are pre-buried still have the stock, the tensile stock is implanted to the bottom both sides of bridge, the tensile stock anchor in the stock.
Compared with the prior art, the utility model provides a bridge single-column pier antidumping reinforcement reinforced structure's beneficial effect is:
1. the utility model adds a reinforcing and strengthening structure outside the original single-column pier to form a new single-column pier, so as to increase the structural strength and the bearing capacity of the single-column pier in a manner of increasing the pier column section of the original single-column pier, the mode of additionally arranging the support seats at two ends of the new single-column pier changes the traditional single-support-seat support into a double-support-seat support (the original support seat is removed) or a triple-support-seat support (the original support seat is reserved), so that the transverse anti-overturning stability of the bridge is improved;
2. the design of tensile stock has further improved the horizontal antidumping stability of bridge.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings 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 invention, and for those skilled in the art, other drawings can be obtained without inventive work, wherein:
fig. 1 is a structural diagram of a preferred embodiment of the single-pier anti-overturning reinforcing structure for a bridge provided by the present invention;
fig. 2 is a top view of the single-column pier anti-overturning reinforcing and reinforcing structure for the bridge provided in fig. 1 after reinforcement;
fig. 3 is a structural diagram of another preferred embodiment of the single-pier anti-overturning reinforcing structure for a bridge provided by the present invention;
fig. 4 is a schematic structural view of a single pier of a conventional bridge provided by the present invention.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; 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 invention can be understood as a specific case by those skilled in the art.
The structure of the existing single-column pier bridge 1 is shown in fig. 4, and comprises a bridge 10, a single-column pier 20, a cushion cap 30 and a pile foundation 40, and in order to solve the problems of poor lateral anti-overturning stability and improvement of the load-bearing capacity of the existing single-column pier bridge, the following embodiment schemes are implemented:
example one
In the present embodiment, as shown in fig. 1 and fig. 2, a reinforcing structure 50 is additionally provided on the outer periphery of the original single-column pier 20.
Preferably, the reinforcing and reinforcing structure 50 of this embodiment is a reinforced concrete structure covering the original single-column pier 20, and the cross section of the reinforcing and reinforcing structure 50 is in a waist-round shape in the width direction of the bridge 10, as shown in fig. 2, a support 60 is installed between the top two ends of the reinforcing and reinforcing structure 50 and the bridge.
This embodiment is through establishing the new single-column mound of reinforcement reinforced structure formation in addition outside original single-column mound to increase the structural strength and the bearing capacity of single-column mound in the mode of the pier stud cross-section of original single-column mound, and add the mode of support at the both ends of new single-column mound, change traditional single support bearing into double-support bearing (demolish original support) or three-support bearing (keep original support), thereby improved the horizontal antidumping stability of bridge.
Preferably, the seat 60 in the above embodiment is one of a tetrafluoroethylene sliding plate type rubber seat of GYZF 4525X 102 type, a basin type seat of GPZ8.0DX type, and a basin type seat of GPZ12.5DX type.
Example two
On the basis of the first embodiment, this embodiment specifically discloses the concrete structure of reinforcement reinforced structure, reinforcement reinforced structure 50 includes bar planting skeleton 501 and concrete reinforced layer 502, wherein:
the steel bar planting framework 501 comprises a plurality of lateral steel bars 5011, a plurality of vertical main steel bars 5012 and a plurality of structural stirrups 5013, and is shown in the attached drawings 1 and 2, a plurality of the bearing platform 30 of the single-column pier is implanted into one end of each vertical main steel bar 5012, and the periphery of the single-column pier is distributed in a waist circle manner, and is a plurality of the structural stirrups 5013 are equidistantly hooped in the vertical main steel bars 5012 and a plurality of the one ends of the lateral steel bars 5011 are placed into the single-column pier 20, and the other ends of the lateral steel bars 5012 and/or the structural stirrups 5013 are connected.
Preferably, the construction stirrup 5013 of the present embodiment is arranged every 20 cm.
Preferably, the surface of the single-column pier 20 of the embodiment is roughened, so that the bonding strength between the original single-column pier and the cast-in-place concrete is increased.
EXAMPLE III
On the basis of the second embodiment, the reinforcing and reinforcing structure 50 of the present embodiment further includes compression stirrups 5014, and the compression stirrups 5014 are disposed at the top and bottom of the reinforcing and reinforcing structure 50 and are disposed at intervals of 10 cm. The setting of pressurized stirrup of this embodiment has strengthened the structural strength at the pressurized position of the single-column mound after the reinforcement is consolidated.
Example four
Based on any of the above embodiments, anchor seats 70 are embedded in two sides of the reinforcing and reinforcing structure 50 of this embodiment, tensile anchor rods 80 are implanted into two sides of the bottom of the bridge 10, and the tensile anchor rods 80 are fixed to the anchor seats 70, as shown in fig. 3.
This embodiment is through design one between the single-column mound after bridge and reinforcement are consolidated the tensile stock has further improved the horizontal antidumping stability of bridge.
The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes made by the present specification can be changed, or directly or indirectly applied to other related technical fields, and all the same principles are included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a single-column pier antidumping reinforcement reinforced structure of bridge, is including the single-column pier that is used for supporting the bridge, its characterized in that: a reinforcing and reinforcing structure is additionally arranged on the periphery of the single column pier;
the reinforcing and reinforcing structure is coated on the reinforced concrete structure of the single-column pier, the cross section of the reinforcing and reinforcing structure is in the shape of a waist circle in the width direction of the bridge, and a support is installed between the two ends of the top of the reinforcing and reinforcing structure and the bridge.
2. The bridge single-column pier anti-overturning reinforcing and reinforcing structure according to claim 1, characterized in that: the reinforcement reinforced structure comprises a bar planting framework and a concrete reinforcing layer, wherein: the steel bar planting framework comprises a plurality of lateral steel bars, a plurality of vertical main steel bars and a plurality of structural stirrups, wherein the vertical main steel bars are arranged in a bearing platform of the single-column pier in an equidistant mode, are distributed in the periphery of the single-column pier in a waist circle mode, and are a plurality of the structural stirrups are equidistantly hooped through the vertical main steel bars, a plurality of the lateral steel bars are arranged in the single-column pier in an equidistant mode, and the other ends of the lateral steel bars are connected with the vertical main steel bars and/or the structural stirrups.
3. The anti-overturning reinforcing and reinforcing structure for the single-column pier of the bridge according to claim 2, characterized in that: the reinforcing and reinforcing structure further comprises a compression stirrup, wherein the compression stirrup is arranged at the top and the bottom of the reinforcing and reinforcing structure and is arranged every 10 cm.
4. The bridge single-column pier anti-overturning reinforcing and reinforcing structure as claimed in claim 2, wherein: the construction stirrups are arranged every 20 cm.
5. The bridge single-column pier anti-overturning reinforcing and reinforcing structure according to claim 1, characterized in that: and roughening the surfaces of the single-column piers.
6. The anti-overturning reinforcing and reinforcing structure for the single-column pier of the bridge according to claim 1, characterized in that: the support adopts one of GYZF4525 x 102 type tetrafluoro slide rubber support, GPZ8.0DX type basin type support and GPZ12.5DX type basin type support.
7. The anti-overturning reinforcing and reinforcing structure for the single-column pier of the bridge according to any one of claims 1 to 6, wherein: and anchor seats are pre-embedded on two sides of the reinforcing and strengthening structure, tensile anchor rods are implanted into two sides of the bottom of the bridge, and the tensile anchor rods are anchored on the anchor seats.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202221325442.XU CN218813149U (en) | 2022-05-30 | 2022-05-30 | Bridge single-column pier anti-overturning reinforcing structure |
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CN202221325442.XU CN218813149U (en) | 2022-05-30 | 2022-05-30 | Bridge single-column pier anti-overturning reinforcing structure |
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CN218813149U true CN218813149U (en) | 2023-04-07 |
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CN202221325442.XU Active CN218813149U (en) | 2022-05-30 | 2022-05-30 | Bridge single-column pier anti-overturning reinforcing structure |
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2022
- 2022-05-30 CN CN202221325442.XU patent/CN218813149U/en active Active
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