CN113550235A - Cast-in-place bent cap support and construction method thereof - Google Patents
Cast-in-place bent cap support and construction method thereof Download PDFInfo
- Publication number
- CN113550235A CN113550235A CN202111010336.2A CN202111010336A CN113550235A CN 113550235 A CN113550235 A CN 113550235A CN 202111010336 A CN202111010336 A CN 202111010336A CN 113550235 A CN113550235 A CN 113550235A
- Authority
- CN
- China
- Prior art keywords
- support
- main body
- cast
- bracket
- bent cap
- 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.)
- Pending
Links
- 238000010276 construction Methods 0.000 title claims abstract description 21
- 238000000034 method Methods 0.000 claims abstract description 6
- 238000004873 anchoring Methods 0.000 claims description 15
- 238000011065 in-situ storage Methods 0.000 abstract description 3
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 244000035744 Hura crepitans Species 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000004567 concrete Substances 0.000 description 2
- 238000009415 formwork Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000011150 reinforced concrete Substances 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000013102 re-test Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention discloses a cast-in-situ bent cap support which comprises a support main body, an unloading block and a jacking device. The unloading block is arranged at the bottom end of the bracket main body and is used for bearing on the bearing platform. The jacking device is used for being installed on the bearing platform, is connected with the bottom of support main part, and the jacking device is used for driving the support main part to go up and down. The invention also discloses a construction method of the cast-in-place bent cap support. According to the cast-in-place bent cap support and the construction method of the cast-in-place bent cap support, the unloading block is arranged at the bottom end of the support main body and is borne on the bearing platform, and the unloading block is transferred to the land from high altitude, so that the safety risk is reduced. Moreover, the processes of unloading removal and elevation adjustment are simple and convenient, the operation is convenient on land, and the working efficiency is improved.
Description
Technical Field
The invention relates to the technical field of bridge construction, in particular to a cast-in-place bent cap support and a construction method thereof.
Background
In recent years, with the rapid development of the large-scale construction of the railway expressway network and the bridge construction in China, a large number of bridges crossing rivers and existing lines are built. The capping beam is a beam arranged on the top of the framed bent pile pier and a beam of reinforced concrete or less reinforced concrete arranged on the pier (platform) or the row pile for supporting, distributing and transmitting the load of the upper structure, and is mainly used for supporting the upper structure of the bridge and transmitting all the load to the lower structure.
At present, in the cast-in-place construction of a bent cap, a floor full-hall support is often adopted as a temporary support bearing structure, and the work of formwork installation, reinforcement, prestressed pipeline installation, concrete pouring and the like is carried out on the support. When unloading and elevation adjustment are carried out, an unloading sand box or a profile steel support pad is generally adopted above a support below a template. However, by adopting the method of unloading the sand box, if the load is large, the sand sedimentation is large, so that the sand box cannot play a role, but by adopting the profile steel support pad, cutting is needed during unloading, and the traditional unloading blocks are generally arranged above the profile steel distribution beam under the template, so that the quantity is large, the operation efficiency is low, and the safety risk of high-altitude operation is large.
Disclosure of Invention
Therefore, the cast-in-place bent cap support and the construction method of the cast-in-place bent cap support are needed to solve the problems that an existing cast-in-place bent cap support construction method is low in operation efficiency and high in overhead operation safety risk.
A cast-in-place bent cap support comprising:
a stent body;
the unloading block is arranged at the bottom end of the bracket main body and is used for bearing on a bearing platform; and
the jacking device is used for being installed on the bearing platform and connected with the bottom end of the support main body, and the jacking device is used for driving the support main body to lift.
In one embodiment, the support main body comprises two groups of upright columns and triangular brackets, the upright columns are arranged in parallel, the two groups of upright columns are arranged at intervals, the unloading block is installed at the bottom ends of the upright columns, the jacking device is connected with the bottom ends of the upright columns, the triangular brackets are installed at the top ends of the upright columns, the two triangular brackets are respectively installed on the two groups of upright columns, and the two triangular brackets are symmetrically arranged about the central line of the support main body.
In one embodiment, the main frame further comprises a main beam, and the main beam is mounted on a platform formed by the upright and the triangular bracket.
In one embodiment, the bracket main body further includes a pad frame and a bottom die, the pad frame is mounted on the main beam, and the bottom die is mounted on the pad frame to bear the cover beam.
In one embodiment, the pad frame comprises an edge pad frame and a middle pad frame, the edge pad frame is installed on the main beam, the two edge pad frames are arranged on the main beam at intervals, and the middle pad frame is installed on the main beam and located between the two edge pad frames.
In one embodiment, the support further comprises an anchoring structure, and the anchoring structure is used for anchoring the bottom end of the support main body on the bearing platform after the elevation of the support main body is adjusted.
In one embodiment, the anchoring structure comprises a bracket, a distribution beam, an anchor rod and a tensioning mechanism, wherein the bracket is installed on the bracket main body, the distribution beam is installed on the bracket, the tensioning mechanism is installed on the distribution beam, one end of the anchor rod is anchored in the bearing platform, and the other end of the anchor rod is connected with the tensioning mechanism.
A construction method of a cast-in-place bent cap support comprises the following steps:
an unloading block is arranged on the bearing platform;
a bracket main body is arranged on the unloading block;
installing a jacking device on the bearing platform, and connecting the jacking device with the bottom end of the support main body;
the jacking device jacks the support main body to be lifted, and a support is constructed on the bearing platform;
the jacking device drives the support main body to descend, the unloading block falls on the support, and finally the bottom end of the support main body is anchored with the bearing platform.
In one embodiment, the step of mounting the bracket main body on the unloading block specifically includes:
mounting an upright post on an unloading block, mounting a triangular bracket on the upright post, and then mounting a main beam on a platform formed by the upright post and the triangular bracket;
and sequentially installing a side cushion frame and a middle cushion frame on the main cross beam, and finally installing a bottom die on the side cushion frame and the middle cushion frame.
In one embodiment, the height of the support is equal to the difference between the retested height of the support body and the designed elevation.
According to the cast-in-situ cover beam support and the construction method thereof, when unloading is removed and the elevation is adjusted, the unloading block is arranged at the bottom end of the support main body and is borne on the bearing platform, and the unloading block is transferred to the land from high altitude, so that the safety risk is reduced. When the elevation is adjusted, the jacking device drives the support main body to lift, then a support is constructed below the unloading block, and then the unloading block falls down and is loaded on the support; when the unloading is removed, the jacking device jacks the support main body to be lifted, then the unloading block is removed, and the jacking device drives the support main body to descend onto the bearing platform; the processes of unloading removal and elevation adjustment are simple and convenient, the operation is convenient on land, and the working efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention, the drawings, which are required to be used in the embodiments, will be briefly described below. In all the drawings, the elements or parts are not necessarily drawn to actual scale.
FIG. 1 is a schematic view of a cast-in-place bent cap support according to an embodiment;
FIG. 2 is a side view of the cast-in-place capping beam bracket of FIG. 1;
FIG. 3 is a schematic structural diagram of the unloading block, the first upright post and the jacking device in FIG. 1;
FIG. 4 is a schematic view of a construction seat on the bearing platform of FIG. 1;
fig. 5 is a flowchart of a construction method of a cast-in-place bent cap support according to an embodiment.
Reference numerals:
10-bearing platform, 20-cover beam, 100-bracket main body, 110-upright post, 112-first upright post, 114-second upright post, 120-triangular bracket, 130-main beam, 142-side cushion frame, 144-middle cushion frame, 200-unloading block, 300-jacking device, 400-anchor rod structure, 410-bracket, 420-distribution beam, 430-anchor rod, 440-tensioning mechanism and 500-support.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, but rather should be construed as broadly as the present invention is capable of modification in various respects, all without departing from the spirit and scope of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
Referring to fig. 1 and 2, a cast-in-place bent cap support according to an embodiment includes a support body 100, an unloading block 200, and a jacking device 300.
The top end of the bracket main body 100 is used for bearing the capping beam 20, the unloading block 200 is installed at the bottom end of the bracket main body 100, and the unloading block 200 is used for bearing on the bearing platform 10. In one embodiment, the bracket body 100 includes two sets of upright columns 110 and triangular brackets 120, the upright columns 110 are provided with two sets, the two sets of upright columns 110 are spaced and arranged in parallel, the unloading block 200 is installed at the bottom end of the upright column 110, the triangular brackets 120 are installed at the top end of the upright column 110, the two triangular brackets 120 are respectively installed on the two sets of upright columns 110, and the two triangular brackets 120 are symmetrically arranged about the center line of the bracket body 100. The bracket main body 100 is formed by assembling modules, so that the bracket main body 100 can be conveniently disassembled and reused.
In one embodiment, each set of upright columns 110 includes a first upright column 112 and a second upright column 114, the first upright column 112 is connected with the second upright column 114, and the upright columns 110 are composed of two sections, which can reduce the processing difficulty of the upright columns 110. The unloader block 200 is mounted to the first upright 112 and the triangular bracket 120 is mounted to the second upright 114. Four unloading blocks 200 are mounted at the bottom end of the first upright post 112, and the four unloading blocks 200 are respectively mounted at four corners of the bottom end of the upright post 110.
In one embodiment, the stand body 100 further includes a main beam 130, and the main beam 130 is mounted on a platform formed by the upright 110 and the triangular bracket 120. In addition to the above embodiments, the support body 100 further includes a bolster (not shown) mounted on the main beam 130 and a bottom mold (not shown) mounted on the bolster for supporting the cover beam 20.
Specifically, the cushion frame includes side cushion frame 142 and well cushion frame 144, and side cushion frame 142 installs on main beam 130, and the quantity of side cushion frame 142 is two, and two side cushion frames 142 set up at the interval on main beam 130, and well cushion frame 144 installs on main beam 130, and well cushion frame 144 is located between two side cushion frames 142, is located the stand 110 directly over, and the die block is installed on side cushion frame 142 and well cushion frame 144.
Referring to fig. 3 and 4, the jacking device 300 is installed on the supporting platform 10, the jacking device 300 is connected to the bottom end of the supporting body 100, and the jacking device 300 is used for driving the supporting body 100 to ascend and descend. In one embodiment, jacking device 300 is coupled to the bottom end of mast 110. Specifically, jacking device 300 is connected to the bottom end of first upright 112. Two jacking devices 300 are all connected to the bottom of every first stand 112, and four jacking devices 300 are the synchronous jacking support main part 100.
In one embodiment, in order to ensure that the four jacking devices 300 are synchronously jacked, displacement meters are installed on the four jacking devices 300, and are used for measuring jacking heights of the jacking devices 300. The jacking device 300 may be a jack. It is understood that in other embodiments, the jacking device 300 may have other structures as long as the bracket body 100 can be lifted, for example, the jacking device 300 may be a hydraulic cylinder or the like.
In one embodiment, the cast-in-place bent cap bracket further includes an anchoring structure 400, and the anchoring structure 400 is used for anchoring the bottom end of the bracket main body 100 to the bearing platform 10 after the bracket main body 100 is adjusted to the height. Specifically, the anchoring structure 400 includes a corbel 410, a distribution beam 420, an anchor rod 430, and a tensioning mechanism 440.
The bracket 410 is mounted on the stand main body 100. In one embodiment, the bracket 410 is mounted to the upright 110. Specifically, a bracket 410 is mounted on the first upright 112. The distribution beam 420 is installed on the bracket 410, and the distribution beam 420 is perpendicular to the bracket 410. The tension mechanism 440 is installed on the distribution beam 420, one end of the anchor bar 430 is anchored in the bearing platform 10, and the other end of the anchor bar 430 is connected with the tension mechanism 440. The tensioning mechanism 440 can tension the pre-tensioning anchor rod 430 to anchor the upright post 110 to the bearing platform 10.
Specifically, the tensioning mechanism 440 may be a jack, the anchor rod 430 may be finish-rolled deformed steel bar, and one end of the anchor rod 430 is embedded in the bearing platform 10 and is fixed by an anchor plate. Each group of upright posts 110 is connected with two anchoring structures 400, and the two anchoring structures 400 are respectively arranged on two opposite sides of the upright post 110 to ensure the stress balance of the bracket main body 100.
Referring to fig. 5, the present invention further provides a construction method of a cast-in-place bent cap support, which is implemented by using the cast-in-place bent cap support. Specifically, the construction method comprises the following steps:
step S110: the unloading block 200 is installed on the platform 10.
Referring to fig. 1 and 3, specifically, a center point of the vertical columns 110 is set out on the bearing platform 10, and then the unloading blocks 200 are installed on the bearing platform 10, such that the four unloading blocks 200 of each group of vertical columns 110 are uniformly arranged around the center point.
Step S120: the bracket main body 100 is mounted on the unloading block 200.
Specifically, first, the first upright column 112 is installed on the unloading block 200, after the parallel bracing is welded, the second upright column 114 is hoisted, and is connected with the first upright column 112 by using a flange, and finally, the parallel bracing is welded. After the vertical column 110 is mounted, the triangular bracket 120 is mounted on the vertical column 110. Specifically, the triangular bracket 120 is hoisted, and the triangular bracket 120 is connected with the second upright column 114 by a flange.
Then, the main beam 130 is hoisted, and the main beam 130 is installed on the platform formed by the upright 110 and the triangular bracket 120. The side bolster 142 and the middle bolster 144 are prefabricated in advance in a factory, the side bolster 142 and the middle bolster 144 are hoisted after being transported to the site, the side bolster 142 and the middle bolster 144 are installed on the main beam 130, and finally the bottom die is installed on the side bolster 142 and the middle bolster 144.
Step S130: the jacking device 300 is installed on the platform 10, and the jacking device 300 is connected with the bottom end of the stand main body 100.
Specifically, the jacking device 300 is a jack, and the jack is mounted on the bearing platform 10 and connected to the bottom end of the support main body 100. In one embodiment, a jack is coupled to the column 110. Specifically, a jack is connected to the parallel connection of the first upright 112, and the jack is located between the two unloading blocks 200.
Step S140: the jacking device 300 lifts the support body 100 and forms the support 500 on the bearing platform 10.
Referring to fig. 4, specifically, after the installation of the support body 100 is completed, the elevation of the bottom mold is retested, and the support body 100 is lifted according to the difference value from the designed elevation. And then constructing below the unloading block 200 on the bearing platform 10 to form the support 500, wherein when the gap between the unloading block 200 and the bearing platform 10 is small, a cushion steel plate can be plugged to form the support 500, if the gap is large, high-strength slurry can be poured, and the support 500 is formed after the grouting slurry is solidified. Wherein, the height of the support 500 is equal to the difference between the retest height of the support body 100 and the designed elevation.
Step S150: the jacking device 300 drives the support main body 100 to descend, the unloading block 200 falls on the support 500, and finally the bottom end of the support main body 100 and the bearing platform 10 are anchored.
Specifically, the unloading jack lowers the unloading block 200 onto the support 500, and finally the bottom end of the support body 100 is anchored on the bearing platform 10 by using the anchoring structure 400. In one embodiment, the process of anchoring the bottom end of the stent main body 100 to the bearing platform 10 is specifically as follows: one end of the anchor rod 430 is embedded in the bearing platform 10 in advance, the bracket 410 is installed on the parallel connection of the first upright post 112 in advance, the distribution beam 420 is installed on the bracket 410, the tensioning mechanism 440 is installed on the distribution beam 420, the tensioning mechanism 440 is a jack, the tensioning mechanism 440 is connected with the other end of the anchor rod 430, and the anchor rod 430 is tensioned and pre-tightened, so that the bottom end of the support main body 100 is anchored on the bearing platform 10.
In one embodiment, when the cast-in-situ capping beam support is removed after the concrete is tensioned, the four jacking devices 300 are synchronously jacked, the jacking force is not less than the total weight of the whole support system and other construction loads, the unloading block 200 is removed, the jack is returned, the support main body 100 falls onto the bearing platform 10, and finally the support main body 100 is removed from top to bottom from the formwork.
According to the cast-in-place bent cap support and the construction method thereof, the unloading block 200 is arranged at the bottom end of the support main body 100, and the unloading block 200 is transferred to the land from high altitude, so that the safety risk is reduced. Moreover, the processes of unloading removal and elevation adjustment are simple and convenient, the operation is convenient on land, and the working efficiency is improved.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.
Claims (10)
1. The utility model provides a cast-in-place bent cap support which characterized in that includes:
a stent body;
the unloading block is arranged at the bottom end of the bracket main body and is used for bearing on a bearing platform; and
the jacking device is used for being installed on the bearing platform and connected with the bottom end of the support main body, and the jacking device is used for driving the support main body to lift.
2. The cast-in-place bent cap support according to claim 1, wherein the support main body comprises two groups of upright posts and triangular brackets, the two groups of upright posts are arranged in parallel at intervals, the unloading block is arranged at the bottom ends of the upright posts, the jacking device is connected with the bottom ends of the upright posts, the triangular brackets are arranged at the top ends of the upright posts, the two triangular brackets are respectively arranged on the two groups of upright posts, and the two triangular brackets are symmetrically arranged about the central line of the support main body.
3. The cast-in-place capping beam support of claim 2, wherein the support body further comprises a main beam mounted on a platform formed by the uprights and the triangular brackets.
4. The cast-in-place bent cap support according to claim 3, wherein the support main body further comprises a bolster frame and a bottom die, the bolster frame is mounted on the main beam, and the bottom die is mounted on the bolster frame to bear the bent cap.
5. The cast-in-place bent cap support of claim 4, wherein the pad frame comprises an edge pad frame and a middle pad frame, the edge pad frame is mounted on the main cross beam, the two edge pad frames are arranged on the main cross beam at intervals, and the middle pad frame is mounted on the main cross beam and located between the two edge pad frames.
6. The cast-in-place capping beam support of claim 1, further comprising an anchoring structure for anchoring the bottom end of the support body to the bearing platform after the elevation of the support body is adjusted.
7. The cast-in-place capping beam bracket of claim 6, wherein the anchoring structure comprises a bracket, a distribution beam, an anchor rod and a tensioning mechanism, the bracket is mounted on the bracket main body, the distribution beam is mounted on the bracket, the tensioning mechanism is mounted on the distribution beam, one end of the anchor rod is anchored in the bearing platform, and the other end of the anchor rod is connected with the tensioning mechanism.
8. A construction method of a cast-in-place bent cap support according to any one of claims 1 to 7, characterized by comprising the following steps:
an unloading block is arranged on the bearing platform;
a bracket main body is arranged on the unloading block;
installing a jacking device on the bearing platform, and connecting the jacking device with the bottom end of the support main body;
the jacking device jacks the support main body to be lifted, and a support is constructed on the bearing platform;
the jacking device drives the support main body to descend, the unloading block falls on the support, and finally the bottom end of the support main body is anchored with the bearing platform.
9. The construction method of the cast-in-place bent cap bracket according to claim 8, wherein the step of mounting the bracket main body on the unloading block is specifically as follows:
mounting an upright post on an unloading block, mounting a triangular bracket on the upright post, and then mounting a main beam on a platform formed by the upright post and the triangular bracket;
and sequentially installing a side cushion frame and a middle cushion frame on the main cross beam, and finally installing a bottom die on the side cushion frame and the middle cushion frame.
10. The method for constructing a cast-in-place bent cap support according to claim 8, wherein the height of the support is equal to the difference between the measured height of the support body and the designed elevation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111010336.2A CN113550235A (en) | 2021-08-31 | 2021-08-31 | Cast-in-place bent cap support and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111010336.2A CN113550235A (en) | 2021-08-31 | 2021-08-31 | Cast-in-place bent cap support and construction method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113550235A true CN113550235A (en) | 2021-10-26 |
Family
ID=78106282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111010336.2A Pending CN113550235A (en) | 2021-08-31 | 2021-08-31 | Cast-in-place bent cap support and construction method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113550235A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114086473A (en) * | 2021-11-10 | 2022-02-25 | 中铁四局集团第五工程有限公司 | High pier cast-in-place beam support and construction method thereof |
| CN114164765A (en) * | 2021-12-20 | 2022-03-11 | 中铁一局集团有限公司 | Assembly type dismounting method for temporary support of cast-in-place bent cap in narrow space |
| CN114575259A (en) * | 2022-03-18 | 2022-06-03 | 中电建路桥集团有限公司 | Template adjusting device |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201187039Y (en) * | 2008-04-25 | 2009-01-28 | 中交第二航务工程局有限公司 | Self-balance loading temporary anchoring device between main beam and platform |
| CN203487467U (en) * | 2013-09-30 | 2014-03-19 | 上海建工七建集团有限公司 | Multifunctional bracket for simply supported change continuous box beam construction |
| CN108149577A (en) * | 2017-12-05 | 2018-06-12 | 上海建工七建集团有限公司 | A kind of steel bracket system and its installation method |
| CN108755438A (en) * | 2018-07-10 | 2018-11-06 | 中铁五局集团第四工程有限责任公司 | A kind of Y types pier Construction of continuous beam π types holder and its construction method of installation |
| CN110203856A (en) * | 2019-01-11 | 2019-09-06 | 湖南金海钢结构有限公司 | A kind of hydraulic device of pair of supporting frame with steel structure unloading |
| CN111395204A (en) * | 2020-04-27 | 2020-07-10 | 浙江交工集团股份有限公司 | Prestressed cantilever support structure of large cantilever bent cap and construction method |
| CN111827090A (en) * | 2019-04-13 | 2020-10-27 | 中交二公局第一工程有限公司 | Large-size quick assembling steel pipe support |
| CN215714684U (en) * | 2021-08-31 | 2022-02-01 | 中交二航局第二工程有限公司 | Cast-in-situ bent cap support |
-
2021
- 2021-08-31 CN CN202111010336.2A patent/CN113550235A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201187039Y (en) * | 2008-04-25 | 2009-01-28 | 中交第二航务工程局有限公司 | Self-balance loading temporary anchoring device between main beam and platform |
| CN203487467U (en) * | 2013-09-30 | 2014-03-19 | 上海建工七建集团有限公司 | Multifunctional bracket for simply supported change continuous box beam construction |
| CN108149577A (en) * | 2017-12-05 | 2018-06-12 | 上海建工七建集团有限公司 | A kind of steel bracket system and its installation method |
| CN108755438A (en) * | 2018-07-10 | 2018-11-06 | 中铁五局集团第四工程有限责任公司 | A kind of Y types pier Construction of continuous beam π types holder and its construction method of installation |
| CN110203856A (en) * | 2019-01-11 | 2019-09-06 | 湖南金海钢结构有限公司 | A kind of hydraulic device of pair of supporting frame with steel structure unloading |
| CN111827090A (en) * | 2019-04-13 | 2020-10-27 | 中交二公局第一工程有限公司 | Large-size quick assembling steel pipe support |
| CN111395204A (en) * | 2020-04-27 | 2020-07-10 | 浙江交工集团股份有限公司 | Prestressed cantilever support structure of large cantilever bent cap and construction method |
| CN215714684U (en) * | 2021-08-31 | 2022-02-01 | 中交二航局第二工程有限公司 | Cast-in-situ bent cap support |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114086473A (en) * | 2021-11-10 | 2022-02-25 | 中铁四局集团第五工程有限公司 | High pier cast-in-place beam support and construction method thereof |
| CN114164765A (en) * | 2021-12-20 | 2022-03-11 | 中铁一局集团有限公司 | Assembly type dismounting method for temporary support of cast-in-place bent cap in narrow space |
| CN114575259A (en) * | 2022-03-18 | 2022-06-03 | 中电建路桥集团有限公司 | Template adjusting device |
| CN114575259B (en) * | 2022-03-18 | 2023-09-29 | 中电建路桥集团有限公司 | Template adjusting device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113550235A (en) | Cast-in-place bent cap support and construction method thereof | |
| CN112227232B (en) | Pier upright post underpinning method of pier-beam consolidation continuous beam bridge | |
| CN111794119B (en) | Temporary supporting system and hoisting method for basket type steel box tie bar arch | |
| CN106894346B (en) | A kind of the continuous beam bridge construction method | |
| CN215714684U (en) | Cast-in-situ bent cap support | |
| CN211472207U (en) | Suspension beam system for hoisting prefabricated section box girder | |
| CN210151596U (en) | Integrated construction system for side-span cast-in-place section and closure section of high-pier continuous beam | |
| CN111005324B (en) | Support-free suspension and locking construction method for assembled type segmental box girder | |
| CN219175013U (en) | Whole support that moves down of double-deck overhead bridge | |
| CN113403968B (en) | Bridge pier underpinning method and underpinning structure | |
| CN214328534U (en) | 0# block bracket pre-pressing device of continuous rigid frame bridge | |
| CN115961549A (en) | Rear-feeding beam type erection construction method for large-tonnage whole-section steel beam of cable-stayed bridge | |
| CN216765597U (en) | A construction structures for prefabricated bent cap installation of segmentation | |
| CN111576439A (en) | Concrete support dismantling prestressed support and construction method thereof | |
| CN218911163U (en) | Support system for pouring construction of large-span concrete arch bridge cable-stayed buckling cantilever | |
| CN220377112U (en) | Can have enough to meet need prefabricated bent cap self-stabilization balance installation device | |
| CN217517360U (en) | Novel main beam supporting structure at bridge tower | |
| CN115992490B (en) | Pouring construction method for cable-stayed buckling hanging cantilever of large-span concrete arch bridge | |
| CN220166687U (en) | Cast-in-situ construction arch frame for upper beam of cable tower | |
| CN113957795B (en) | Method and system for preparing beam by using large-span beam type bracket | |
| CN217629455U (en) | Dismantling device and system for box girder template supporting system | |
| CN113186835B (en) | T-shaped bridge jacking construction method | |
| CN215857280U (en) | High mound river-crossing bridge penetrating bar cantilever supporting system | |
| CN217128046U (en) | Asymmetric pier supporting platform system device | |
| CN215052020U (en) | Reaction frame for prepressing zero block of railway continuous beam |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |