CN203546599U - Pier-side bracket - Google Patents
Pier-side bracket Download PDFInfo
- Publication number
- CN203546599U CN203546599U CN201320602605.9U CN201320602605U CN203546599U CN 203546599 U CN203546599 U CN 203546599U CN 201320602605 U CN201320602605 U CN 201320602605U CN 203546599 U CN203546599 U CN 203546599U
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- China
- Prior art keywords
- pier
- bracket
- side bracket
- steel truss
- truss girder
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- Expired - Lifetime
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Abstract
The utility model discloses a pier-side bracket and relates to the field of bridge construction. The pier-side bracket comprises a plurality of bracket stand columns and horizontal connecting systems. The bracket stand columns arranged on the two sides of a pier body are integrally connected through the horizontal connecting systems. The bracket stand columns are directly supported on a bearing platform, an expanded foundation or a pile foundation. A sliding way beam is arranged on the pier-side bracket and a pier top to enable the pier-side bracket and a bridge pier to form an integral body. A plurality of counter-pulled prestressed finishing tied rebar are arranged on the side surface of the sliding way beam and form an integral body together with pad stones at the pier top. One end of the sliding way beam is welded with an embedded part at the top of the pier body and the other end of the sliding way beam is welded with an embedded part at the top of the bracket stand columns. The pier-side bracket has the advantages that the lifting onto the pier is smoothly realized by adjusting the padding height of front and rear supporting points; since a guide beam at the front end of a steel trussed beam is canceled, the manpower, the material resources and the financial resources can be effectively saved, the requirements on the stress and the stability of the steel trussed beam are met and the steel trussed beam can also be guaranteed to be smoothly lifted onto the pier.
Description
Technical field
The utility model relates to field of bridge construction, particularly relates to a kind of pier-side bracket.
Background technology
Along with developing rapidly of China's economy, need the project of construction increasing, the bridge of Steel truss structure is more and more, more and more higher to safety, quality, the schedule requirement of construction, must employ new technology, new technology, could realize the high-quality, high-quality of infrastructure requirement.At present, steel truss girder sets up the loose method of spelling of general employing to carry out, and for greatly, across, long connection steel truss girder incremental launching construction, generally at steel truss girder front end, nose girder is set, and to alleviate front end cantilever segment weight, improves stress condition and upper pier condition.For the multi-joint steel truss girder construction of multispan, generally first will often across every steel truss girder, with interim rod member, be connected, form a long connection and carry out free cantilever erection or incremental launching construction, needing increases interim connecting rod and the nose girder rod member between a large amount of connection and connection, expends a large amount of human and material resources, financial resources.
Utility model content
The purpose of this utility model is in order to overcome the deficiency of above-mentioned background technology, a kind of pier-side bracket is provided, adjust front and rear fulcrum pad height, realize smoothly upper pier, cancel the nose girder of steel truss girder front end, can effectively save human and material resources, financial resources, meet the stressed and stability requirement of steel truss girder, can also guarantee that steel truss girder goes up pier smoothly.
The utility model provides a kind of pier-side bracket, pier-side bracket comprises bracket column and is laterally connected system, it is to link into an integrated entity by horizontal connection that respectively there are some bracket columns pier shaft both sides, bracket column is directly supported in cushion cap, expands in basis or pile foundation, on pier-side bracket and Dun Ding, be provided with slipway beam, make pier-side bracket and bridge pier form an integral body; Slipway beam side is provided with some and forms integral body to drawing prestressing force essence to prick indented bars or steel strand or rod iron or shaped steel pull bar with the pinner of Dun Ding, slipway beam one end and the welding of pier shaft top built-in fitting, the built-in fitting welding at the other end and bracket column top.
On the basis of technique scheme, described slipway beam horizontal spacing is corresponding with steel truss girder lower chord center, and vertical bridge is greater than each panel length of steel truss girder to length, is respectively greater than half steel truss girder panel length in bridge pier both sides.
On the basis of technique scheme, described slipway beam two ends are connected by bolt or pin joint between pushing up with Dun Ding and bracket.
Compared with prior art, advantage of the present utility model is as follows:
The utility model arranges special pier-side bracket and pier top slipway beam, adjusts front and rear fulcrum pad height, realizes smoothly upper pier, cancel the nose girder of steel truss girder front end, can effectively save human and material resources, financial resources, meet the stressed and stability requirement of steel truss girder, can also guarantee that steel truss girder goes up pier smoothly.
Accompanying drawing explanation
Fig. 1 is the middle pier slipway beam of the utility model embodiment and the structural representation of bracket.
Fig. 2 is the abutment pier slipway beam of the utility model embodiment and the structural representation of bracket.
Fig. 3 is the view of steel truss girder front end maximum cantilever in the utility model embodiment.
Fig. 4 is the view of steel truss girder rear end maximum cantilever in the utility model embodiment.
The specific embodiment
Below in conjunction with drawings and the specific embodiments, the utility model is described in further detail.
Shown in Fig. 1, Fig. 2, the utility model embodiment provides a kind of pier-side bracket and pier top slipway beam, pier-side bracket comprises bracket column and is laterally connected system, it is to link into an integrated entity by horizontal connection that respectively there are some bracket columns pier shaft both sides, bracket column is directly supported in cushion cap, expands in basis or pile foundation, slipway beam is arranged on bracket and Dun Ding is upper, makes bracket and bridge pier form an integral body, together stressed; Each Dun Ding all arranges slideway, upstream and downstream synchronously starts horizontal continuity jack, slipway beam side is provided with some to drawing prestressing force essence to prick indented bars or steel strand or rod iron or shaped steel pull bar, form integral body with the pinner of Dun Ding, slipway beam one end and the welding of pier shaft top built-in fitting, the built-in fitting welding at the other end and bracket column top; Slipway beam horizontal spacing is corresponding with steel truss girder lower chord center, and vertical bridge is greater than each panel length of steel truss girder to length, is respectively greater than half steel truss girder panel length in bridge pier both sides, guarantees joints in steel truss girder pushing tow process, and reserves operating space.Slipway beam two ends are connected by bolt or pin joint between pushing up with Dun Ding and bracket.
Slipway beam is longitudinally divided into three sections, be respectively the slipway beam between Dun Ding and two heel posts, bearing pad stone top slipway beam, after its root slipway beam length composition puts in place according to girder steel pushing tow, remove both sides slipway beam, top lifting jack is installed, after jacking girder steel, remove bearing pad stone top slipway beam, erection support.
For realizing the function of steel truss girder self-balancing pushing tow, the utility model embodiment is provided with special pier-side bracket and pier top slipway beam, guarantees that steel truss girder meets stressed and stability requirement by Equilibrium, and can above pier.Shown in Figure 3, when simply connected twin spans steel truss girder is forward during pushing tow, at first half connection steel truss girder, also do not go up the slipway beam of last Dun Ding and while forming large cantilever position, after later half steel truss girder backend nodes is also supported on the pier top slipway beam of a pier.Now, integrin steel truss girder is being still longitudinally that 2 supports of intermediate pier and rear pier are stressed, and the center of gravity of steel truss girder is still between two strong points, and the coefficient of stability meets safety requirements; Shown in Figure 4, after first half has joined on steel truss girder after the pier top slipway beam of last pier, and later half steel truss girder just departs from, the pier top slipway beam of pier, has formed the front pier of steel truss girder and 2 supports of intermediate pier stressed, and rear end steel truss girder has become large cantilever position.Now, the center of gravity of steel truss girder is still between two strong points, and steel truss girder is stressed and the coefficient of stability meets safety requirements.In steel truss girder pushing tow process, just realized simply connected twin spans steel truss girder self-balancing pushing tow and advanced like this.
Pier-side bracket and slide into beam and possess the function that scoops out pier on steel truss girder and steel truss girder slide plane is provided, the nose girder having arranged at steel truss girder front end while having saved conventional incremental launching construction.After each internode of steel truss girder pushing tow puts in place, by steel truss girder top lifting, the slide block under steel truss girder node moves an internode toward post-tensioning, again steel truss girder is fallen on slide block, starts horizontal continuity jack, by steel truss girder internode of pushing tow forward.So repeatedly, realize constantly slippage forward of steel truss girder.
Those skilled in the art can carry out various modifications and variations to the utility model embodiment; if these are revised and modification belongs within the scope of the utility model claim and equivalent technologies thereof, these modifications and modification are also within protection domain of the present utility model.
The prior art that the content of not describing in detail in manual is known to the skilled person.
Claims (3)
1. a pier-side bracket, pier-side bracket comprises bracket column and is laterally connected system, it is to link into an integrated entity by horizontal connection that respectively there are some bracket columns pier shaft both sides, bracket column is directly supported in cushion cap, expands in basis or pile foundation, it is characterized in that: on pier-side bracket and Dun Ding, be provided with slipway beam, make pier-side bracket and bridge pier form an integral body; Slipway beam side is provided with some and forms integral body to drawing prestressing force essence to prick indented bars or steel strand or rod iron or shaped steel pull bar with the pinner of Dun Ding, slipway beam one end and the welding of pier shaft top built-in fitting, the built-in fitting welding at the other end and bracket column top.
2. pier-side bracket as claimed in claim 1, is characterized in that: described slipway beam horizontal spacing is corresponding with steel truss girder lower chord center, and vertical bridge is greater than each panel length of steel truss girder to length, is respectively greater than half steel truss girder panel length in bridge pier both sides.
3. pier-side bracket as claimed in claim 1 or 2, is characterized in that: described slipway beam two ends are connected by bolt or pin joint between pushing up with Dun Ding and bracket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320602605.9U CN203546599U (en) | 2013-09-27 | 2013-09-27 | Pier-side bracket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320602605.9U CN203546599U (en) | 2013-09-27 | 2013-09-27 | Pier-side bracket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203546599U true CN203546599U (en) | 2014-04-16 |
Family
ID=50464736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320602605.9U Expired - Lifetime CN203546599U (en) | 2013-09-27 | 2013-09-27 | Pier-side bracket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203546599U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108265634A (en) * | 2018-03-12 | 2018-07-10 | 中铁建大桥工程局集团第四工程有限公司 | A kind of high pier girder steel pushing tow support device and construction method |
| CN108677741A (en) * | 2018-07-27 | 2018-10-19 | 中国铁建大桥工程局集团有限公司 | A kind of construction method promoting high pier large-tonnage steel bearing |
| CN109356036A (en) * | 2018-11-26 | 2019-02-19 | 中铁六局集团有限公司 | Middle pier pier-side bracket and its construction method |
| CN110258293A (en) * | 2019-07-22 | 2019-09-20 | 中铁大桥局集团有限公司 | Cable-stayed bridge steel truss girder main pylon pier top erection construction method |
-
2013
- 2013-09-27 CN CN201320602605.9U patent/CN203546599U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108265634A (en) * | 2018-03-12 | 2018-07-10 | 中铁建大桥工程局集团第四工程有限公司 | A kind of high pier girder steel pushing tow support device and construction method |
| CN108265634B (en) * | 2018-03-12 | 2023-09-29 | 中铁建大桥工程局集团第四工程有限公司 | High pier steel beam pushing supporting device and construction method |
| CN108677741A (en) * | 2018-07-27 | 2018-10-19 | 中国铁建大桥工程局集团有限公司 | A kind of construction method promoting high pier large-tonnage steel bearing |
| CN109356036A (en) * | 2018-11-26 | 2019-02-19 | 中铁六局集团有限公司 | Middle pier pier-side bracket and its construction method |
| CN110258293A (en) * | 2019-07-22 | 2019-09-20 | 中铁大桥局集团有限公司 | Cable-stayed bridge steel truss girder main pylon pier top erection construction method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: GROUP CO., LTD., ZHONGTIE DAQIAO BUREAU Free format text: FORMER OWNER: CHINA ZHONGTIE MAJOR BRIDGE ENGINEERING CO., LTD. Effective date: 20150225 Owner name: NO.1 ENGINEERING CO., LTD., ZHONGTIE BRIDGE BUREAU Free format text: FORMER OWNER: NO.1 ENGINEERING CO., LTD., ZHONGTIE BRIDGE BUREAU GROUP GROUP CO., LTD., ZHONGTIE DAQIAO BUREAU Effective date: 20150225 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 430074 WUHAN, HUBEI PROVINCE TO: 430050 WUHAN, HUBEI PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20150225 Address after: 430050 Hanyang Road, Hanyang District, Hubei, No. 38, No. Patentee after: CHINA RAILWAY MAJOR BRIDGE ENGINEERING GROUP Co.,Ltd. Patentee after: 1ST ENGINEERING CO., LTD. OF CHINA RAILWAY MAJOR BRIDGE ENGINEERING GROUP Co.,Ltd. Address before: 430074 Hubei province Wuhan Dongxin East Lake New Technology Development Zone Road SBI Venture Street No. 6 Building 12 layer Patentee before: CHINA RAILWAY MAJOR BRIDGE ENGINEERING Co.,Ltd. Patentee before: 1ST ENGINEERING CO., LTD. OF CHINA RAILWAY MAJOR BRIDGE ENGINEERING GROUP Co.,Ltd. Patentee before: CHINA RAILWAY MAJOR BRIDGE ENGINEERING GROUP Co.,Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20140416 |
|
| CX01 | Expiry of patent term |