CN107988913A - A kind of bridge bilayer box beam upper former method for dismounting - Google Patents
A kind of bridge bilayer box beam upper former method for dismounting Download PDFInfo
- Publication number
- CN107988913A CN107988913A CN201711320710.2A CN201711320710A CN107988913A CN 107988913 A CN107988913 A CN 107988913A CN 201711320710 A CN201711320710 A CN 201711320710A CN 107988913 A CN107988913 A CN 107988913A
- Authority
- CN
- China
- Prior art keywords
- box beam
- steel pipe
- upper former
- dismounting
- former method
- 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
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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
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2/00—Bridges characterised by the cross-section of their bearing spanning structure
- E01D2/04—Bridges characterised by the cross-section of their bearing spanning structure of the box-girder type
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/20—Concrete, stone or stone-like material
- E01D2101/24—Concrete
Abstract
The present invention relates to a kind of bridge bilayer box beam upper former method for dismounting, include the following steps：Template suspension system is installed；Steel pipe post is removed；Upper former system is transferred；Support system is fixed and adjusted.Bridge bilayer box beam upper former method for dismounting provided by the invention, by optimizing construction procedure and execution conditions during firm structure box girder construction, so as to shorten the firm structure box girder construction cycle, construction cost is reduced, the probability for security incident occur is reduced, improves integral construction quality.
Description
Technical field
The present invention relates to technical field of bridge construction, more particularly to a kind of bridge bilayer box beam upper former method for dismounting.
Background technology
Box beam：Hollow or the beam in the day font section put upside down.More with the longspan structures such as viaduct, making material
There are armored concrete (prestressing force), steel (plate) structure.Firm structure box beam has compared with armored concrete mechanism：It is fast (just from heavy and light, installation
Structure box beam be mostly post stretching field fabrication), good rigidity the features such as be better than concrete box girder.
But box girder construction method of the prior art, long construction period is of high cost, it is higher the probability of security incident occur,
Integral construction quality is low.
The content of the invention
The technical solution adopted by the present invention to solve the technical problems is：A kind of bridge bilayer box beam upper former dismounting side
Method, it is characterised in that include the following steps：
Template suspension system is installed；
Steel pipe post is removed；
Upper former system is transferred；
Support system is fixed and adjusted.
Further it is improved to, the upper strata is directly removed and template system suspention decentralization, including：
Suspension system preformed hole is set in advance in the edge of a wing Board position during box girder construction of upper strata, treats that box beam reaches design strength
Afterwards, suspension system is installed, fixed suspention spandrel girder template system supported above, removes steel pipe post upper segment, then utilize
Suspension system transfers form bracing system to designed elevation, the support shuttering as lower floor's Cast-in-situ Beam.
Further it is improved to, the template suspension system installation, including：
Trestle pile top spandrel girder both ends set suspention preformed hole, corresponding with upper strata box beam top plate preformed hole, using finish rolling spiral shell
Line steel locks strutting system.
Further it is improved to, the steel pipe post is removed, including：
After the suspention locking of upper former support system, upper strata steel pipe support column is removed using crawler crane or truck crane, is torn open
The steel pipe post classification removed is stored by number, is gone to next hole box beam bracket week and is recycled.
Further it is improved to, the upper former system decentralization, including：
Hoist engine is installed on upper strata box beam top, utilizes the synchronous symmetrical decentralization of hoist engine to lower floor's box beam bracket designed elevation.
Further it is improved to, the support system is fixed and adjusted, including：
After template system decentralization in place, suspension system is removed, spandrel girder and steel pipe post reinforce again and welded, root
Template system is readjusted according to lower floor's box-beam structure size and absolute altitude.
The beneficial effects of the invention are as follows：
Bridge double layer box beam construction method provided by the invention, by optimizing the construction procedure during firm structure box girder construction
And execution conditions, so as to shorten the firm structure box girder construction cycle, construction cost is reduced, reduces the probability for security incident occur,
Improve integral construction quality.
Brief description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is the bridge double layer box beam construction method flow diagram of the present invention；
Fig. 2 is the bridge bilayer box beam upper former method for dismounting flow diagram of the present invention.
Embodiment
In conjunction with the accompanying drawings, the present invention is further explained in detail.These attached drawings are simplified schematic diagram, only with
Illustration illustrates the basic structure of the present invention, therefore it only shows composition related to the present invention.
In the description of invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " up time
The orientation or position relationship of the instruction such as pin ", " counterclockwise " are based on orientation shown in the drawings or position relationship, are for only for ease of
Description is invented and simplified in description, rather than indicates or imply that the device of meaning or element must have specific orientation, with specific
Azimuth configuration and operation, therefore it is not intended that limitation to invention.
In addition, term " first ", " second " are only used for description purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or
Implicitly include one or more this feature.In the description of invention, " multiple " are meant that two or more, remove
It is non-separately to have clearly specific limit.
In invention, unless otherwise clearly defined and limited, the art such as term " installation ", " connected ", " connection ", " fixation "
Language should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can be machinery
Connection or electrical connection；It can be directly connected, can also be indirectly connected by intermediary, can be two elements
Internal connection.For the ordinary skill in the art, it can understand above-mentioned term in invention as the case may be
Concrete meaning.
As described in Figure 1, the present invention provides a kind of bridge double layer box beam construction method, include the following steps：
S1, basement process；
S2, upper layer bracket and template system installation；
S3, upper strata is directly removed and template system suspention decentralization；
S4, cast-in-situ box girder pour.
Further it is improved to, the basement process, including：
First desurfacing unfavorable geology soil, foundation excavation to fresh scar simultaneously carry out leveling processing, then carry out ground and hold
Power experiment is carried, after meeting requirement for bearing capacity, pours bar shaped Extended chemotherapy, basis uses C25 concrete, and top surface sets steel pipe post
Built-in fitting.
Further it is improved to, the upper layer bracket and template system installation, including：
Steel pipe post is installed；
Spandrel girder is installed；
Bailey beam is installed；
Horizontal I-steel installation；
Adjust the installation of wrist buckle frame；
Template system is installed.
Further it is improved to, the upper layer bracket and template system installation, including：
Steel pipe support column uses Φ 800*8mm steel pipes, and steel pipe column vertically uses flanged joint, and merogenesis height is according to up and down
Layer box girder construction headroom determines, is interconnected and fixed between column using lateral and bridging.Stake top spandrel girder using 3HN500 ×
200 shaped steel, for stent longitudinally using Bailey beam as Anti-bending structure, Bailey beam top uses bowl buckle bracket support template system, and
Box beam longitudinal slope and each position absolute altitude are effectively adjusted, box girder formwork uses bamboo slab rubber.
Further it is improved to, the cast-in-situ box girder pours, including：
Levels cast-in-situ box girder is single box double room prestressed concrete skew web plate continuous box girder, using placement layer by layer work twice
Skill, pours to box girder web top surface first.
As shown in Fig. 2, being further improved to, the upper strata is directly removed and template system suspention decentralization, including：
S31, the installation of template suspension system；
S32, steel pipe post are removed；
S33, the decentralization of upper former system；
S34, support system are fixed and adjusted.
Further it is improved to, the upper strata is directly removed and template system suspention decentralization, including：
Suspension system preformed hole is set in advance in the edge of a wing Board position during box girder construction of upper strata, treats that box beam reaches design strength
Afterwards, suspension system is installed, fixed suspention spandrel girder template system supported above, removes steel pipe post upper segment, then utilize
Suspension system transfers form bracing system to designed elevation, the support shuttering as lower floor's Cast-in-situ Beam.
Further it is improved to, the template suspension system installation, including：
Trestle pile top spandrel girder both ends set suspention preformed hole, corresponding with upper strata box beam top plate preformed hole, using finish rolling spiral shell
Line steel locks strutting system.
Further it is improved to, the steel pipe post is removed, including：
After the suspention locking of upper former support system, upper strata steel pipe support column is removed using crawler crane or truck crane, is torn open
The steel pipe post classification removed is stored by number, is gone to next hole box beam bracket week and is recycled.
Further it is improved to, the upper former system decentralization, including：Hoist engine is installed on upper strata box beam top, utilizes volume
The synchronous symmetrical decentralization of machine is raised to lower floor's box beam bracket designed elevation；
The support system is fixed and adjusted, including：After template system decentralization in place, suspension system is removed, to spandrel girder
With steel pipe post reinforce again and weld, template system is readjusted according to lower floor's box-beam structure size and absolute altitude.
It is complete by above-mentioned description, relevant staff using the above-mentioned desirable embodiment according to the present invention as enlightenment
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property scope is not limited to the content on specification, it is necessary to determines its technical scope according to right.
Claims (6)
1. a kind of bridge bilayer box beam upper former method for dismounting, it is characterised in that include the following steps：
Template suspension system is installed；
Steel pipe post is removed；
Upper former system is transferred；
Support system is fixed and adjusted.
2. bridge bilayer box beam upper former method for dismounting according to claim 1, it is characterised in that the upper strata is direct
Remove and template system suspention is transferred, including：
Suspension system preformed hole is set in advance in the edge of a wing Board position during box girder construction of upper strata, after box beam reaches design strength, peace
Suspension system is filled, fixed suspention spandrel girder template system supported above, removes steel pipe post upper segment, then utilizes suspention system
System decentralization form bracing system is to designed elevation, the support shuttering as lower floor's Cast-in-situ Beam.
3. bridge bilayer box beam upper former method for dismounting according to claim 1, it is characterised in that the template suspension
System is installed, including：
Trestle pile top spandrel girder both ends set suspention preformed hole, corresponding with upper strata box beam top plate preformed hole, using fining twisted steel
Lock strutting system.
4. bridge bilayer box beam upper former method for dismounting according to claim 1, it is characterised in that the steel pipe post
Remove, including：
After the suspention locking of upper former support system, upper strata steel pipe support column is removed using crawler crane or truck crane, dismounting
Steel pipe post classification is stored by number, is gone to next hole box beam bracket week and is recycled.
5. bridge bilayer box beam upper former method for dismounting according to claim 1, it is characterised in that the upper former
System is transferred, including：
Hoist engine is installed on upper strata box beam top, utilizes the synchronous symmetrical decentralization of hoist engine to lower floor's box beam bracket designed elevation.
6. bridge bilayer box beam upper former method for dismounting according to claim 1, it is characterised in that the support system
Fixed and adjustment, including：
After template system decentralization in place, suspension system is removed, spandrel girder and steel pipe post reinforce again and welded, under
Layer box-beam structure size and absolute altitude readjust template system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711320710.2A CN107988913A (en) | 2017-12-12 | 2017-12-12 | A kind of bridge bilayer box beam upper former method for dismounting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711320710.2A CN107988913A (en) | 2017-12-12 | 2017-12-12 | A kind of bridge bilayer box beam upper former method for dismounting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107988913A true CN107988913A (en) | 2018-05-04 |
Family
ID=62037373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711320710.2A Pending CN107988913A (en) | 2017-12-12 | 2017-12-12 | A kind of bridge bilayer box beam upper former method for dismounting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107988913A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108611981A (en) * | 2018-05-22 | 2018-10-02 | 江苏省交通工程集团有限公司 | A kind of door opening holder and its method for dismounting simply removed |
| CN111364365A (en) * | 2020-03-23 | 2020-07-03 | 中国十九冶集团有限公司 | Method for dismantling combined support of spiral steel pipe pile |
| CN113585076A (en) * | 2021-07-08 | 2021-11-02 | 中国建筑第六工程局有限公司 | Construction method of overwater large-span double-layer cast-in-place beam |
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| JP2003227108A (en) * | 2002-02-04 | 2003-08-15 | Teikoku Sekkei Jimusho:Kk | Stain-proof structure of side of bridge by setting small projection |
| KR100933637B1 (en) * | 2008-11-13 | 2009-12-23 | 덕주건설(주) | Rain water double draining device for bridge |
| CN202017181U (en) * | 2011-04-14 | 2011-10-26 | 中铁二十局集团第六工程有限公司 | Falsework for constructing steel and concrete combined beam crossing over conventional route and arranged parallel to existing line |
| CN103255838A (en) * | 2013-05-09 | 2013-08-21 | 北京安德固脚手架工程有限公司 | Construction method with adoption of large-tonnage long-stroke oil cylinder jacking mold frame |
| CN103669832A (en) * | 2013-12-13 | 2014-03-26 | 中建三局第一建设工程有限责任公司 | Standard Bailey truss assembling type jacking formwork system |
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| CN104695336A (en) * | 2015-01-15 | 2015-06-10 | 中铁大桥局集团第五工程有限公司 | Double-layer cast-in-situ beam support construction method adopting sequence from upper layer to lower layer |
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2017
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| JP2003227108A (en) * | 2002-02-04 | 2003-08-15 | Teikoku Sekkei Jimusho:Kk | Stain-proof structure of side of bridge by setting small projection |
| KR100933637B1 (en) * | 2008-11-13 | 2009-12-23 | 덕주건설(주) | Rain water double draining device for bridge |
| CN202017181U (en) * | 2011-04-14 | 2011-10-26 | 中铁二十局集团第六工程有限公司 | Falsework for constructing steel and concrete combined beam crossing over conventional route and arranged parallel to existing line |
| CN103255838A (en) * | 2013-05-09 | 2013-08-21 | 北京安德固脚手架工程有限公司 | Construction method with adoption of large-tonnage long-stroke oil cylinder jacking mold frame |
| CN103669832A (en) * | 2013-12-13 | 2014-03-26 | 中建三局第一建设工程有限责任公司 | Standard Bailey truss assembling type jacking formwork system |
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| CN104695336A (en) * | 2015-01-15 | 2015-06-10 | 中铁大桥局集团第五工程有限公司 | Double-layer cast-in-situ beam support construction method adopting sequence from upper layer to lower layer |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108611981A (en) * | 2018-05-22 | 2018-10-02 | 江苏省交通工程集团有限公司 | A kind of door opening holder and its method for dismounting simply removed |
| CN111364365A (en) * | 2020-03-23 | 2020-07-03 | 中国十九冶集团有限公司 | Method for dismantling combined support of spiral steel pipe pile |
| CN113585076A (en) * | 2021-07-08 | 2021-11-02 | 中国建筑第六工程局有限公司 | Construction method of overwater large-span double-layer cast-in-place beam |
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| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180504 |
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| RJ01 | Rejection of invention patent application after publication |