CN217499979U - Transverse anti-overturning reinforcing device for single-column pier bridge - Google Patents
Transverse anti-overturning reinforcing device for single-column pier bridge Download PDFInfo
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- CN217499979U CN217499979U CN202221061973.2U CN202221061973U CN217499979U CN 217499979 U CN217499979 U CN 217499979U CN 202221061973 U CN202221061973 U CN 202221061973U CN 217499979 U CN217499979 U CN 217499979U
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Abstract
The utility model relates to a bridge construction technical field specifically is a horizontal antidumping reinforcing apparatus of single-column mound bridge. The anti-overturning reinforcing device solves the technical problems that the existing anti-overturning reinforcing device is mainly provided with anti-overturning supporting force by an original single-column pier structure, and the whole service life of a bridge is shortened although the anti-overturning reinforcing device has the capability of resisting certain overturning. The single-column-pier-top-support-type combined structure comprises a foundation surface, a single-column pier, a pier top support and an upper-structure main beam, wherein the outer side surface of the single-column pier is fixedly connected with a reinforcing pier, the reinforcing pier is annular, the top end of the reinforcing pier is provided with a plurality of long bolts arranged in an annular array, the upper part of the reinforcing pier is connected with a connecting ring through the long bolts and nuts matched with the long bolts, and the side surface of the connecting ring is provided with a connecting seat; the vertical side face of the upper structure is fixedly connected with a first connecting piece, and the first connecting piece is connected with the connecting seat of the connecting ring through a tension rod. The utility model discloses do benefit to and consolidate on the single-column mound bridge of completion already constructed and use.
Description
Technical Field
The utility model relates to a bridge construction technical field specifically is a horizontal antidumping reinforcing apparatus of single-column mound bridge.
Background
The structure characteristics of small bridge width and small transverse distance of side supports of a column support beam type bridge result in weak torsional restraint of the side supports to the main beam, and simultaneously, because the middle pier adopts the defect of torsional restraint to the main beam when adopting single-point support (certain torsional restraint can be provided to the main beam when the middle pier is solidified), under the action of eccentric load, the phenomena of side support void, over-limit of the corner of the middle pier support, insufficient bearing capacity of the middle pier and the foundation and the like are easily caused, thereby leading to the change of a stable support system of the main beam structure and even the occurrence of the integral overturn accident of the bridge.
On some important single-column pier bridge structures, need set up horizontal antidumping reinforcing apparatus, increase the stability and the security of bridge, present antidumping reinforcing apparatus is many to provide antidumping holding power by former single-column pier structure, and the single-column pier does not have the ability of resisting the upset under former design condition, and the increase antidumping reinforcing apparatus of courage, though have the ability of resisting certain toppling, can make the whole life of bridge reduce.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to foretell not enough, provide an annular reinforcing mound that relies on self to set up and provide the power of antidumping, its well lower shift that can be with single-column mound guarantees the stability of former single-column mound structure.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a transverse anti-overturning reinforcing device for a single-column pier bridge comprises a foundation surface, a single-column pier, a pier top support and an upper structure main beam, wherein the single-column pier is integrally poured above the foundation surface, the top of the single-column pier is fixedly connected with the bottom of the upper structure main beam through the pier top support, the outer side surface of the single-column pier is fixedly connected with a reinforcing pier, the reinforcing pier is annular, the top end of the reinforcing pier is provided with a plurality of long bolts arranged in an annular array, the upper part of the reinforcing pier is connected with a connecting ring through the long bolts and nuts matched with the long bolts, and the side surface of the connecting ring is provided with a connecting seat;
the side of the upper structure main beam is provided with a vertical side, the vertical side is fixedly connected with a first connecting piece, and the first connecting piece is connected with the connecting seat of the connecting ring through a tension rod.
Furthermore, the tension rods are arranged in two groups and are symmetrically distributed.
Furthermore, the side of reinforcing mound is provided with reinforcing ear, reinforcing ear and tension bar are on the coplanar.
Further, the bottom of reinforcing mound, reinforcing ear all is provided with the reinforcing bar spare, the inside of reinforcing bar spare embedding ground face.
Further, the go-between comprises two fan ring pieces, the equal fixedly connected with in both ends of fan ring piece links the plate, link the side of plate and seted up the through-hole.
Further, an elastic support ring is arranged between the connecting ring and the reinforcing pier, and the inner side of the elastic support ring is hermetically connected with the outer side of the single-column pier.
Furthermore, the top end of the tension rod is connected with the first connecting piece through a hinge, and the bottom end of the tension rod is connected with the connecting seat through a hinge.
The utility model has the advantages that:
in practical application, the reinforced pier is poured on the side surface of the single-column pier through the reinforced concrete structure, the center of the original single-column pier can be reduced, the supporting strength of the single-column pier can be increased through the reinforced pier, and then the two sides of the main beam of the upper structure are pulled towards the lower part of the middle part through the tension rods, so that the anti-overturning and reinforcing effects are achieved; through the arrangement of the connecting ring, the connecting ring is sleeved on the long bolt and is fixed through the matched nut, the high end of the connecting ring can be finely adjusted, and the tension degree of the tension rod is adjusted; the utility model discloses, to dimensional requirement low, add the convenience, can further increase the intensity of former single-column mound, increase the life of bridge.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an enlarged view at A in FIG. 1;
fig. 3 is a front view of the present invention;
fig. 4 is a side view of the present invention;
fig. 5 is a schematic partial cross-sectional view of the present invention;
reference numerals: a ground plane 1; a single column pier 2; a pier top support base 3; a superstructure main beam 4; a vertical side surface 41; a first connecting piece 5; a tension rod 6; a reinforcing pier 7; a reinforcing ear 8; a reinforcement member 9; a connecting ring 10; a connecting seat 11; a connecting plate member 12; a long bolt 13; an elastic support ring 14.
Detailed Description
As shown in fig. 1, 2, 3, 4 and 5, the single-column pier bridge transverse anti-overturning reinforcing device comprises a foundation surface 1, a single-column pier 2, a pier top support seat 3 and an upper structure girder 4, wherein the single-column pier 2 is integrally poured above the foundation surface 1 and is supported by a reinforced concrete structure, the top of the single-column pier 2 is fixedly connected with the bottom of the upper structure girder 4 through the pier top support seat 3, the pier top support seat 3 enables the single-column pier 2 and the upper structure girder 4 to be flexibly connected, so that the strong influence of factors such as vibration, thermal expansion and cold contraction, local deformation and the like on the whole bridge floor is avoided, the reinforcing pier 7 is fixedly connected with the outer side surface of the single-column pier 2, the reinforcing steel bar of the reinforcing pier 7 is also of the reinforced concrete structure and is embedded into the single-column pier 2 to ensure the integral connection as much as possible, so that the structure can be relatively stable, the reinforcing pier 7 is annular, the inner ring shape of the reinforcing pier 7 corresponds to the outer side surface shape of the single-column pier 2, so that the reinforcing pier 7 is perfectly matched, the top end of the reinforcing pier 7 is provided with a plurality of long bolts 13 arranged in an annular array, the long bolts 13 are welded with reinforcing steel bars inside the reinforcing pier 7, the length of the reinforcing pier 7 inside the reinforcing pier is not less than 30CM, the connecting ring 10 is connected above the reinforcing pier 7 through the long bolts 13 and nuts matched with the long bolts 13, one long bolt 13 can be connected with two or three nuts, and the side surface of the connecting ring 10 is provided with a connecting seat 11.
The side of superstructure girder 4 is provided with vertical side 41, and vertical side 41 department fixedly connected with connecting piece 5, connecting piece 5 are the steel construction, and the nail of its connection transversely gos deep into the inside of superstructure girder 4 at least 30CM, because transversely stretches into, and it can not destroy the structure of superstructure girder 4, connects through tension bar 6 between connecting seat 11 of connecting ring 10 and connecting piece 5.
The tension rods 6 are arranged in two groups and are symmetrically distributed, so that bidirectional stress can be applied, and the reinforcement is more stable.
The side of reinforcing mound 7 is provided with reinforcing ear 8, and reinforcing ear 8 and tension bar 6 are on the coplanar, and the plane atress that tension bar 6 is located is the biggest, and the ability that antidumping can further be increased in the setting of reinforcing ear 8.
Reinforcing mound 7, reinforcing ear 8's bottom all are provided with reinforcing bar spare 9, and reinforcing bar spare 9 embedding ground face 1's inside makes reinforcing mound 7, reinforcing ear 8 all be connected with ground face 1, further increases single-column pier 2's structural strength.
The go-between 10 comprises two fan ring pieces, and the equal fixedly connected with in both ends of fan ring piece links plate 12, links the side of plate 12 and has seted up the through-hole, and the hoist of being convenient for hangs and gets, and the design of two fan ring piece structures is convenient for follow both sides card and is in the single-column mound 2 side, is convenient for install and use.
An elastic support ring 14 is arranged between the connecting ring 10 and the reinforcing pier 7, the inner side of the elastic support ring 14 is hermetically connected with the outer side of the single-column pier 2, rainwater is prevented from permeating into a gap between the reinforcing pier 7 and the single-column pier 2, and the concrete structure is effectively protected.
The top end of the tension rod 6 is connected with the first connecting piece 5 through a hinge, and the bottom end of the tension rod 6 is connected with the connecting seat 11 through a hinge.
The installation mode is as follows: punching holes on the upper part of a foundation surface 1 and the side surface of a single-column pier 2, binding a reinforcing mesh, constructing a template, fixing the position of a long bolt 13, welding the long bolt 13 and the reinforcing mesh together, and pouring concrete to form a reinforcing pier 7 and a reinforcing lug 8;
after the structure of the urheen is completely solidified, the elastic support ring 14 and the connecting ring 10 are installed, the connecting piece 5 is installed synchronously, finally the tension rod 6 is erected between the connecting seat 11 and the connecting piece 5 and is movably connected together by a hinge, finally the elastic support ring 14 is pressed downwards by fastening the bolt on the long bolt 13, so that the inner side of the elastic support ring 14 is tightly attached to the gap between the single-column pier 2 and the reinforced pier 2, and the reinforcement can be completed after the tension progress of the tension rod 6 is adjusted.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein will be apparent to those skilled in the art without departing from the scope and spirit of the invention as defined in the accompanying claims.
Claims (7)
1. Single-column pier bridge horizontal antidumping reinforcing apparatus, including ground face (1), single-column pier (2), mound top support (3), superstructure girder (4), single-column pier (2) an organic whole is pour in ground face (1) top, the bottom fixed connection of mound top support (3) and superstructure girder (4), its characterized in that are passed through to the top of single-column pier (2): the outer side surface of the single-column pier (2) is fixedly connected with a reinforcing pier (7), the reinforcing pier (7) is annular, the top end of the reinforcing pier (7) is provided with a plurality of long bolts (13) arranged in an annular array, the upper part of the reinforcing pier (7) is connected with a connecting ring (10) through the long bolts (13) and nuts matched with the long bolts (13), and the side surface of the connecting ring (10) is provided with a connecting seat (11);
the side of the upper structure main beam (4) is provided with a vertical side surface (41), the vertical side surface (41) is fixedly connected with a first connecting piece (5), and the first connecting piece (5) is connected with the connecting seat (11) of the connecting ring (10) through a tension rod (6).
2. The lateral anti-overturning reinforcing device for the single-column pier bridge of claim 1, which is characterized in that: the tension rods (6) are arranged in two groups and are symmetrically distributed.
3. The lateral anti-overturning reinforcing device for the single-column pier bridge of claim 1, which is characterized in that: the side of reinforcing pier (7) is provided with reinforcing ear (8), reinforcing ear (8) and tension bar (6) are on the coplanar.
4. The lateral anti-overturning reinforcing device for the single-column pier bridge of claim 3, which is characterized in that: the bottom of reinforcing mound (7), reinforcing ear (8) all is provided with reinforcing bar spare (9), reinforcing bar spare (9) embedding ground face (1) inside.
5. The lateral anti-overturning reinforcing device for the single-column pier bridge of claim 1, which is characterized in that: the connecting ring (10) is composed of two fan ring pieces, two ends of each fan ring piece are fixedly connected with a connecting plate piece (12), and a through hole is formed in the side face of each connecting plate piece (12).
6. The lateral anti-overturning reinforcing device for the single-column pier bridge of claim 1, which is characterized in that: an elastic support ring (14) is arranged between the connecting ring (10) and the reinforcing pier (7), and the inner side of the elastic support ring (14) is hermetically connected with the outer side of the independent pillar pier (2).
7. The lateral anti-overturning reinforcing device for the single-column pier bridge of claim 1, which is characterized in that: the top end of the tension rod (6) is connected with the first connecting piece (5) through a hinge, and the bottom end of the tension rod (6) is connected with the connecting seat (11) through a hinge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221061973.2U CN217499979U (en) | 2022-05-06 | 2022-05-06 | Transverse anti-overturning reinforcing device for single-column pier bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221061973.2U CN217499979U (en) | 2022-05-06 | 2022-05-06 | Transverse anti-overturning reinforcing device for single-column pier bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217499979U true CN217499979U (en) | 2022-09-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221061973.2U Active CN217499979U (en) | 2022-05-06 | 2022-05-06 | Transverse anti-overturning reinforcing device for single-column pier bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217499979U (en) |
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2022
- 2022-05-06 CN CN202221061973.2U patent/CN217499979U/en active Active
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