CN217128046U - Asymmetric pier supporting platform system device - Google Patents
Asymmetric pier supporting platform system device Download PDFInfo
- Publication number
- CN217128046U CN217128046U CN202220716917.1U CN202220716917U CN217128046U CN 217128046 U CN217128046 U CN 217128046U CN 202220716917 U CN202220716917 U CN 202220716917U CN 217128046 U CN217128046 U CN 217128046U
- Authority
- CN
- China
- Prior art keywords
- column
- steel pipe
- steel
- asymmetric
- system device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 119
- 239000010959 steel Substances 0.000 claims abstract description 119
- 238000010276 construction Methods 0.000 description 12
- 238000003466 welding Methods 0.000 description 11
- 239000004567 concrete Substances 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000004568 cement Substances 0.000 description 1
- 230000000875 corresponding Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Images
Abstract
An asymmetric pier supporting platform system device relates to the technical field of pier supporting platforms, and comprises bearing platforms symmetrically arranged on the ground at two sides of a pier, wherein a plurality of miniature steel pipe piles for transmitting load to a foundation are vertically and downwards arranged at the bottom of each bearing platform, three-column steel pipe stand columns are vertically and upwards arranged at the top of each bearing platform at one side, two-column steel pipe stand columns are vertically and upwards arranged at the top of each bearing platform at the other side, a distribution beam is jointly supported by the tops of the three-column steel pipe stand columns and the two-column steel pipe stand columns, a plurality of jacks for transmitting the load downwards are arranged on the top surface of the distribution beam, and the jacks support the bottom of a bridge body; the road is avoided according to the change of the road.
Description
Technical Field
The utility model relates to a pier supporting platform technical field, concretely relates to asymmetric pier supporting platform system device.
Background
With the development of cities, more and more cities build flyover bridges, and the flyover bridges have the advantages that the bridges can drive vehicles, and roads below the bridges can also drive vehicles, so that traffic jam is greatly reduced. Meanwhile, along with the development of cities, roads below the overpass may change such as expansion and lane change, and occupy more original space below the bridge, so that the space at the lower part of the bridge is little, and the condition of the bridge is as shown in fig. 1. Meanwhile, as the overpass is used for many years, the bridge capping beam is damaged or the support needs to be replaced. At the moment, the bridge body of the bridge needs to be jacked and unloaded, and then the bent cap maintenance or the support replacement can be carried out. However, the difficulty is mainly that the bottom of the first bridge is affected by a road, so that a working platform is not convenient to set up on a large scale, the second working platform of the expanded bridge of the road needs to conform to the change of the road and needs to avoid the road, and the third working platform of the expanded bridge of the road needs to be set up as soon as possible due to the fact that the bridge is jacked, so that the influence on traffic is reduced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an asymmetric pier supporting platform system device mainly solves the bridge bottom and is influenced by the road and inconveniently sets up the platform and provide a supporting platform device that area is little, adopts asymmetric outward appearance form in order to reduce to the road influence for complying with the road characteristics simultaneously, solves the slow difficult problem of platform construction speed simultaneously and adopts the device that mainly adopts the steel construction to reach the requirement of quick installation and quick dismantlement.
For solving the technical problem, the utility model discloses the technical scheme who adopts does:
the utility model provides an asymmetric pier supporting platform system device, sets up the subaerial cushion cap in pier both sides including the symmetry, the bottom of cushion cap is vertical to be provided with a plurality of miniature steel-pipe piles that transmit the load to the ground downwards, one side the top of cushion cap is vertical upwards to be provided with three post steel pipe stands, the opposite side the top of cushion cap is vertical upwards to be provided with two post steel pipe stands, three post steel pipe stands, two post steel pipe stand tops support the distribution roof beam jointly, the distribution roof beam top surface is provided with a plurality of jacks that down transmit the load, the jack supports bridge roof beam body bottom.
Further, the side parts of the two steel pipe columns are provided with steel pipe inclined struts, and the steel pipe inclined struts support the bottom of the bridge body in an inclined mode.
Furthermore, every two adjacent columns of the three-column steel tube column and the two-column steel tube column are connected through an I-shaped steel tie beam.
Furthermore, bottom base plates connected with the bearing platform are arranged at the bottoms of the three-column steel tube stand column and the two-column steel tube stand column.
Furthermore, the top of the three-column steel pipe stand column, the two-column steel pipe stand column and the steel pipe inclined strut is provided with an upper steel base plate connected with the bottom of the bridge body.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model provides a device such as a miniature steel pipe pile, a bearing platform, a stand column and a distribution beam, which can meet the unloading requirement after jacking; the asymmetrical pier supporting system is provided, and is mainly characterized in that the inclined struts are arranged on the stand columns, so that one stand column is reduced, the floor area is reduced and the underbridge road is effectively avoided under the condition that the bearing requirement is met; strutting arrangement has mainly adopted the steel construction, carries out steel-pipe pile construction, steel column erection in the work progress, distribution beam installation etc. and welding process is very fast and demolish convenient repeatedly practical.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, 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 according to these drawings without inventive exercise.
FIG. 1 is a schematic diagram of a prior art structure;
FIG. 2 is a schematic view of the connection structure between the micro steel pipe pile and the bearing platform of the present invention;
FIG. 3 is a schematic view of the installation structure of the three-column steel tube column and the two-column steel tube column of the present invention;
FIG. 4 is a schematic view of the I-steel tie beam mounting structure of the present invention;
FIG. 5 is a schematic view of the mounting structure of the distribution beam and the jack of the present invention;
fig. 6 is a schematic structural diagram of the present invention.
In the figure: 1. the steel pipe pile comprises a miniature steel pipe pile body, 2 bearing platforms, 3. a bottom base plate, 4. three-column steel pipe columns, 5. two-column steel pipe columns, 6. steel pipe inclined struts, 7. I-shaped steel tie beams, 8. an upper steel base plate, 9. a distribution beam and 10. jacks.
Detailed Description
The technical solutions in the embodiments of the present invention will be described below clearly and completely, and it should be apparent that the described embodiments are only some embodiments of the present invention, and 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.
As shown in fig. 2-6, an asymmetric pier supporting platform system device comprises bearing platforms 2 symmetrically arranged on the ground on two sides of a pier, wherein a plurality of miniature steel pipe piles 1 for transmitting load to a ground are vertically arranged downwards at the bottoms of the bearing platforms 2, three-column steel pipe columns 4 are vertically arranged upwards at the tops of the bearing platforms 2 on one side, two-column steel pipe columns 5 are vertically arranged upwards at the tops of the bearing platforms on the other side, distributing beams 9 are jointly supported by the tops of the three-column steel pipe columns 4 and the two-column steel pipe columns 5, a plurality of jacks 10 for transmitting the load downwards are arranged on the top surfaces of the distributing beams 9, and the jacks 10 support the bottoms of bridge bodies.
Specifically, as shown in the figure, the side parts of the two steel tube columns 5 are provided with steel tube inclined struts 6, and the steel tube inclined struts support the bottom of the bridge body in an inclined mode.
Specifically, as shown in the figure, every two adjacent three-column steel tube upright 4 and two-column steel tube upright 5 are connected through an i-beam tie 7.
Specifically, as shown in the figure, the bottom of the three-column steel tube upright 4 and the bottom of the two-column steel tube upright 5 are provided with a bottom cushion plate 3 connected with the bearing platform 2.
Specifically, as shown in the figure, the top of the three-column steel pipe column 4, the two-column steel pipe column 5 and the steel pipe inclined strut 6 is provided with an upper steel base plate 8 connected with the bottom of the bridge body.
The utility model discloses specific work progress as follows:
(1) and (5) constructing the miniature steel pipe pile. The pile length of the steel pipe pile is temporarily set to be 12m, the steel pipe of the pile body is a steel pipe with the diameter of 168mm, and the wall thickness is 6 mm. The construction method comprises the following steps of carrying out miniature steel pipe pile construction on the side portion of an original pier, drilling a hole in the miniature steel pipe pile construction step, then putting a steel pipe, injecting cement paste and sealing the opening of the steel pipe. The miniature steel pipe pile is used for bearing the load of the whole asymmetric pier supporting platform system device and the bridge body and transmitting the load to the foundation.
(2) And (5) constructing a bearing platform. And (3) pouring concrete on the bearing platform, wherein the construction is carried out by adopting a one-step pouring method, the concrete is transported to a construction site by adopting a concrete transport vehicle, the concrete is directly self-unloaded for pouring, the concrete is cured after the pouring is finished, and the subsequent construction can be carried out after the design strength is reached. The bearing platform bears the load transmitted by the steel pipe upright post and transmits the load to the miniature steel pipe pile. The bearing platform is of a cast-in-place reinforced concrete structure.
(3) And (5) constructing a bottom steel base plate. The steel base plate and the top of the bearing platform are anchored into the bearing platform by adopting phi 22 anchor bars for connection, so that the bottom steel base plate is well connected with the bearing platform, and the stability of the subsequent steel tube stand column is ensured. The steel tube column load distribution device has the functions of uniformly distributing the load of the steel tube column and transmitting the load to a bearing platform, and the bottom steel base plates are arranged at the bottoms of the three-column steel tube column and the two-column steel tube column.
(4) And (5) constructing the steel pipe column. And hoisting the steel pipe stand column by using a crane, wherein the steel pipe stand column refers to a three-column steel pipe stand column and a two-column steel pipe stand column, aligning the bottom center of the steel pipe stand column with the center of the bottom steel base plate, and welding the steel pipe stand column and the steel base plate together by using a welding machine after alignment. The steel pipe upright is a main bearing part of the whole supporting platform system device, bears the load of the bridge and transmits the load to the bearing platform.
(5) And (5) constructing the inclined strut. After the welding of the two steel tube columns is finished, the inclined strut welding is carried out at the 1/3 height of the column and is directly welded at the side part of the column. A cantilever body is achieved by using the steel pipe inclined strut, and the load of the steel pipe inclined strut is transmitted to the stand column through the inclined strut.
(6) And (5) constructing the I-shaped steel tie beam. And after the three-column steel pipe upright post and the two-column steel pipe upright post are welded, welding the I-shaped steel tie beam, wherein the I-shaped steel tie beam is divided into two parts in height, namely the height of 1/3 and the height of 2/3 of the upright posts respectively. The I-shaped steel tie beam is welded on the steel upright post to form a ring shape.
(7) And constructing an upper steel base plate. And welding upper steel base plates at the tops of the three-column steel pipe stand column and the two-column steel pipe stand column, and welding the periphery of the stand columns by using a welding machine to ensure that the upper steel base plates are stably welded. The function is to evenly distribute the load of the steel tube upright post.
(8) And (5) constructing the distribution beam. The distribution amount is placed on the upper steel base plate, and the distribution beam is welded on the upper steel base plate by adopting a welding machine. The function is to evenly distribute the load of the beam body to the upright posts.
(9) And (5) installing a jack. The jack is arranged on the upper part of the distribution beam. The jack is installed in the geometric position corresponding to the upper part of each upright post.
(10) When the jack is installed, the whole supporting platform system is completed, as shown in fig. 6. And the jack forcibly jacks the bottom of the bridge beam to unload the cover beam of the bridge, the damaged cover beam is maintained, the jack is unloaded after the maintenance, and finally the whole supporting platform system can be dismantled. The jack is an object for directly bearing the load of the bottom of the beam.
The utility model provides a device such as a miniature steel pipe pile, a bearing platform, a stand column and a distribution beam, which can meet the unloading requirement after jacking; the asymmetrical pier supporting system is provided, and is mainly characterized in that the inclined struts are arranged on the stand columns, so that one stand column is reduced, the floor area is reduced and the underbridge road is effectively avoided under the condition that the bearing requirement is met; strutting arrangement has mainly adopted the steel construction, carries out steel-pipe pile construction, steel column erection in the work progress, distribution beam installation etc. and welding process is very fast and demolish convenient repeatedly practical.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. The utility model provides an asymmetric pier supporting platform system device, its characterized in that sets up subaerial cushion cap (2) in pier both sides including the symmetry, the bottom of cushion cap (2) is vertical to be provided with a plurality of miniature steel pipe piles (1) that transmit load to ground downwards, one side the top of cushion cap (2) is vertical upwards to be provided with three post steel pipe stands (4), the opposite side the top of cushion cap is vertical upwards to be provided with two post steel pipe stands (5), three post steel pipe stands (4), two post steel pipe stands (5) top support distributing beam (9) jointly, distributing beam (9) top surface is provided with jack (10) that a plurality of will load down transmit, jack (10) support bridge roof beam body bottom.
2. The asymmetric pier supporting platform system device according to claim 1, wherein steel pipe diagonal braces (6) are arranged on the side portions of the two steel pipe columns (5), and obliquely support the bottom of the bridge body.
3. The asymmetric pier supporting platform system device according to claim 2, wherein every two adjacent three-column steel tube upright column (4) and two-column steel tube upright column (5) are connected through an I-shaped steel tie beam (7).
4. The asymmetric pier supporting platform system device according to claim 3, wherein bottom base plates (3) connected with the bearing platform (2) are arranged at the bottoms of the three-column steel tube upright column (4) and the two-column steel tube upright column (5).
5. The asymmetric pier supporting platform system device according to claim 4, wherein the top of the three-column steel tube column (4), the two-column steel tube column (5) and the steel tube diagonal brace (6) is provided with an upper steel base plate (8) connected with the bottom of the bridge body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220716917.1U CN217128046U (en) | 2022-03-29 | 2022-03-29 | Asymmetric pier supporting platform system device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220716917.1U CN217128046U (en) | 2022-03-29 | 2022-03-29 | Asymmetric pier supporting platform system device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217128046U true CN217128046U (en) | 2022-08-05 |
Family
ID=82644327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220716917.1U Active CN217128046U (en) | 2022-03-29 | 2022-03-29 | Asymmetric pier supporting platform system device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217128046U (en) |
-
2022
- 2022-03-29 CN CN202220716917.1U patent/CN217128046U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105821769A (en) | Large-angle inclined leg pier pouring construction method | |
| CN112411391A (en) | Single-column capping beam steel pipe column Bailey beam construction supporting system and construction method thereof | |
| CN110593114A (en) | Box girder construction method based on large-span box girder multi-hoop truss support bailey bracket | |
| CN112227232B (en) | Pier upright post underpinning method of pier-beam consolidation continuous beam bridge | |
| CN104452597B (en) | Pier prestressed cap beam with extra length Construction Supporting System in water | |
| CN111719436A (en) | Construction system and construction method for urban railway cast-in-place box girder support in soft foundation area | |
| CN217128046U (en) | Asymmetric pier supporting platform system device | |
| CN214656383U (en) | Line is alternately low headroom and is pieced together wide cast-in-place case roof beam support | |
| CN210031539U (en) | Highway bridge transfers slope jacking structure | |
| CN209906223U (en) | Beam gantry crane | |
| JP2005146695A (en) | Viaduct structure and method of constructing the same | |
| CN211772934U (en) | Zero number block support system of bridge | |
| CN215164713U (en) | Supporting and leveling structure of steel pipe concrete arch construction platform | |
| CN211872669U (en) | Uneven jacking system of current bridge superstructure | |
| CN212582721U (en) | Bearing platform of tower crane for vertical tower of top plate of foundation garage | |
| CN215052133U (en) | Steel case roof beam is alternately construction supporting structure from top to bottom | |
| CN210975550U (en) | Formwork support for capping construction by adopting beret frame | |
| CN216157148U (en) | Reverse-jacking supporting structure of concrete floor | |
| CN211973136U (en) | Cast-in-place bridge formwork support frame of large-span | |
| CN218322384U (en) | Cast-in-place strutting arrangement of big cantilever prestressed concrete bent cap of circulated use | |
| CN210621475U (en) | Cast-in-situ bent cap assembled steel pipe support | |
| CN213062136U (en) | Independent foundation underpinning system for storey-adding building | |
| CN112376440B (en) | Construction process for non-closure hoisting of main beam of cable-stayed bridge | |
| CN216947827U (en) | High-position beam falling buttress structure of steel box girder | |
| CN214738124U (en) | Reinforced concrete internal stay supporting structure applying conversion steel column cap |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |