CN110144809A - A kind of bridge arch rib production method - Google Patents
A kind of bridge arch rib production method Download PDFInfo
- Publication number
- CN110144809A CN110144809A CN201910423646.3A CN201910423646A CN110144809A CN 110144809 A CN110144809 A CN 110144809A CN 201910423646 A CN201910423646 A CN 201910423646A CN 110144809 A CN110144809 A CN 110144809A
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- Prior art keywords
- arch
- arch tube
- tube
- welding
- production method
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D4/00—Arch-type bridges
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The present invention relates to steel construction production technical fields, and disclose a kind of bridge arch rib production method, include the following steps: the forward purchasing of S1. material and screening, S2. pretreatment, S3. arch section production, S4. finished product detection, S5. composite assembly, S6. finish coatings.The advantages of bridge arch rib production method, has and can be carried out effectively effective ballistic support to the load at the arch tube place of being stressed directly, improve integral strength significantly, greatly improves conevying efficiency and avoids welding plant the space is insufficient the problem of influencing arch tube storage.
Description
Technical field
The present invention relates to steel construction production technical field, specially a kind of bridge arch rib production method.
Background technique
With China railways, expressway construction project it is increasing, built in the poor deep mountain valleys of natural conditions
The engineering of bridge is more and more, especially long-span steel arch bridge because the structure particularly suitable for paddy stream deeply anxious, construction environment
Severe plateau narrow valley region.Therefore the production method for being directed to bridge arch rib, also more and more by the attention of company, especially
It is for execution conditions adverse conditions, then its production method is just particularly important.
The arch tube of current production bridge arch rib only sets reinforcing rib and enhances the structural strength of arch tube, but reinforcing rib by interior
Easy stress deforms, and not can be carried out effective ballistic support to the load at the arch tube place of being stressed directly, and arch tube and inside add
Strong component is directly to weld completion transport to construction site in welding plant, is not only caused to the storage area of welding plant very big
Pressure and arch tube after the completion of both transports welding is very inconvenient, effective automobile-used area cannot prevent more arch tube,
Conevying efficiency is affected, transportation cost is increased.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides a kind of bridge arch rib production method, have and place is stressed directly to arch tube
Load can be carried out effectively effective ballistic support, improve integral strength significantly, greatly improve conevying efficiency and
The advantages of avoiding welding plant the space is insufficient the problem of influencing arch tube storage, solves the arch tube of current production bridge arch rib only
It sets reinforcing rib by interior and enhances the structural strength of arch tube, but reinforcing rib is easy stress and deforms, be stressed directly place to arch tube
Load not can be carried out effective ballistic support, and arch tube and internal stiffener are directly weld completion in welding plant to transport extremely
Construction site, very big pressure and the arch tube ten after the completion of both transports welding not only are caused to the storage area of welding plant
The inconvenience divided, effective automobile-used area cannot prevent more arch tube, affect conevying efficiency, increase asking for transportation cost
Topic.
(2) technical solution
Effective ballistic support can be carried out effectively to the load at the arch tube place of being stressed directly to realize, improve entirety significantly
Intensity greatly improves conevying efficiency and avoids welding plant the space is insufficient the purpose for the problem of influencing arch tube storage, the present invention
Provide the following technical solutions: a kind of bridge arch rib production method includes the following steps:
S1. material forward purchasing and screening
A. specific material and material quantity needed for obtaining production bridge arch rib according to designer and cost personnel pool, by material
Material demand inventory gives the purchase collection that purchasing department carries out material；
B. quality inspection back is collected to purchasing department purchase, screening show that meet state quality standard prepares material；
S2. pretreatment
Sheet material to be cut is subjected to underlining according to the size of the arch tube of required preparation, by various sizes of reinforcement
Floor combination is placed；
S3. arch section production
A. the sheet material Jing Guo underlining is cut into required plate through cutting machine, the sheet material after cutting is carried out
The polishing on surface and edge, so that the flush of sheet material is smooth, edge impulse- free robustness exists, then by the plate after polishing
Material material is transported at veneer reeling machine, plate is rolled into cylindric arch tube via veneer reeling machine, then arch tube is transported to weld, right
The junction of arch tube is sealed welding；
B. multiple deep floors are made to form umbrella-shaped structure corresponding with arch tube internal diameter together multiple deep floor Combination Weldings；
S4. finished product detection
A. arch tube obtained in S3 is first passed through into carrying out flaw detection instrument and ultrasonic examination detection is carried out to the commissure that arch tube connects, protected
The welding quality for demonstrate,proving arch tube welding, welds the arch tube for not reaching welding standard, then will be examined by welding standard again
The arch tube of survey is delivered to the detection carried out at three core roller beds to arch tube internal diameter circularity, guarantees that the arch tube rolled out meets circularity standard,
So that the stable connection of subsequent arch rib is accurate；
B. the deep floor of Combination Welding is subjected to detection assay to weld seam junction using carrying out flaw detection instrument, uses calibrated ruler school
At the solder design of quasi- multiple deep floors whether at center, guarantee the both ends of multiple deep floors on same a circumference, into
And the deep floor after combination is accurately welded in arch tube；
S5. composite assembly
Arch tube and deep floor after will test are put together, and deep floor is placed in arch tube, and by deep floor
Both ends all seamless weldings enhance the overall structure stability of arch tube in arch tube, then pass through hoisting machine for multiple arch tubes according to thing
The position of preceding Loft Line is in place, welds to multiple arch tubes, and floor connects on the equal assemble welding in the junction of multiple arch tubes
Head guarantees the stable structure of arch tube composition；
S6. finish coatings
It is combined and spliced it is good after one layer of antirust, anti-corrosive of arch rib surface even application exclusion seal paint, avoid arch rib be easy by
The influence of environmental factor, which causes corrosion to addle, influences arch rib service life.
Preferably, multiple flue gas aspirators are added in welding place.
Preferably, the connection of deep floor and arch tube carries out at the construction field (site).
Preferably, it is stored in the warehouse of aeration-drying for carrying out the coating of finish coatings, far from sunshine, water source, fire
Source and heat source.
Preferably, the detection of commissure is reprocessed and is no more than twice, given up beyond directly cancelling twice.
(3) beneficial effect
Compared with prior art, the present invention provides a kind of bridge arch rib production method, have it is following the utility model has the advantages that
The bridge arch rib production method can by the deep floor that arch tube inner wall adds in the production for carrying out bridge arch rib
The integral strength for greatly increasing arch tube, can be carried out effectively effective ballistic support to the load at the arch tube place of being stressed directly,
Integral strength is improved significantly, has greatly ensured the construction quality of bridge arch rib, and can by multiple finished product detection
Effective control is carried out to each production key aspect, ensure that the quality of production, and deep floor and being welded on for arch tube are constructed now
It carries out that conevying efficiency can be greatly improved and avoids welding plant the space is insufficient the problem of influencing arch tube storage.
Specific embodiment
The technical scheme in the embodiments of the invention will be clearly and completely described below, it is clear that described implementation
Example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
A kind of bridge arch rib production method, includes the following steps:
S1. material forward purchasing and screening
A. specific material and material quantity needed for obtaining production bridge arch rib according to designer and cost personnel pool, by material
Material demand inventory gives the purchase collection that purchasing department carries out material；
B. quality inspection back is collected to purchasing department purchase, screening show that meet state quality standard prepares material；
S2. pretreatment
Sheet material to be cut is subjected to underlining according to the size of the arch tube of required preparation, by various sizes of reinforcement
Floor combination is placed；
S3. arch section production
A. the sheet material Jing Guo underlining is cut into required plate through cutting machine, the sheet material after cutting is carried out
The polishing on surface and edge, so that the flush of sheet material is smooth, edge impulse- free robustness exists, then by the plate after polishing
Material material is transported at veneer reeling machine, plate is rolled into cylindric arch tube via veneer reeling machine, then arch tube is transported to weld, right
The junction of arch tube is sealed welding；
B. multiple deep floors are made to form umbrella-shaped structure corresponding with arch tube internal diameter together multiple deep floor Combination Weldings；
S4. finished product detection
A. arch tube obtained in S3 is first passed through into carrying out flaw detection instrument and ultrasonic examination detection is carried out to the commissure that arch tube connects, protected
The welding quality for demonstrate,proving arch tube welding, welds the arch tube for not reaching welding standard, then will be examined by welding standard again
The arch tube of survey is delivered to the detection carried out at three core roller beds to arch tube internal diameter circularity, guarantees that the arch tube rolled out meets circularity standard,
So that the stable connection of subsequent arch rib is accurate；
B. the deep floor of Combination Welding is subjected to detection assay to weld seam junction using carrying out flaw detection instrument, uses calibrated ruler school
At the solder design of quasi- multiple deep floors whether at center, guarantee the both ends of multiple deep floors on same a circumference, into
And the deep floor after combination is accurately welded in arch tube；
S5. composite assembly
Arch tube and deep floor after will test are put together, and deep floor is placed in arch tube, and by deep floor
Both ends all seamless weldings enhance the overall structure stability of arch tube in arch tube, then pass through hoisting machine for multiple arch tubes according to thing
The position of preceding Loft Line is in place, welds to multiple arch tubes, and floor connects on the equal assemble welding in the junction of multiple arch tubes
Head guarantees the stable structure of arch tube composition；
S6. finish coatings
It is combined and spliced it is good after one layer of antirust, anti-corrosive of arch rib surface even application exclusion seal paint, avoid arch rib be easy by
The influence of environmental factor, which causes corrosion to addle, influences arch rib service life.
Multiple flue gas aspirators are added in welding place.
The connection of deep floor and arch tube carries out at the construction field (site), avoids the not readily transportable increase of arch tube after the completion of welding
The problem of transportation cost.
Coating for carrying out finish coatings is stored in the warehouse of aeration-drying, far from sunshine, water source, fire source and heat
Source.
The detection of commissure is reprocessed and is no more than twice, is given up beyond directly cancelling twice.
In conclusion the bridge arch rib production method is added in the production for carrying out bridge arch rib by arch tube inner wall
Deep floor can greatly increase the integral strength of arch tube, can be carried out effectively effectively to the load at the arch tube place of being stressed directly
Ballistic support, improve integral strength significantly, greatly ensured the construction quality of bridge arch rib, and by it is multiple at
Product examine, which is surveyed, to carry out effective control to each production key aspect, ensure that the quality of production, and the weldering of deep floor and arch tube
It connects to carry out that conevying efficiency can be greatly improved at the construction field (site) and avoid welding plant the space is insufficient and influences asking for arch tube storage
Topic.
It should be noted that the terms "include", "comprise" or its any other variant are intended to the packet of nonexcludability
Contain, so that the process, method, article or equipment for including a series of elements not only includes those elements, but also including
Other elements that are not explicitly listed, or further include for elements inherent to such a process, method, article, or device.
In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including the element
Process, method, article or equipment in there is also other identical elements.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (5)
1. a kind of bridge arch rib production method, characterized by the following steps:
S1. material forward purchasing and screening
A. specific material and material quantity needed for obtaining production bridge arch rib according to designer and cost personnel pool, by material
Material demand inventory gives the purchase collection that purchasing department carries out material；
B. quality inspection back is collected to purchasing department purchase, screening show that meet state quality standard prepares material；
S2. pretreatment
Sheet material to be cut is subjected to underlining according to the size of the arch tube of required preparation, by various sizes of reinforcement
Floor combination is placed；
S3. arch section production
A. the sheet material Jing Guo underlining is cut into required plate through cutting machine, the sheet material after cutting is carried out
The polishing on surface and edge, so that the flush of sheet material is smooth, edge impulse- free robustness exists, then by the plate after polishing
Material material is transported at veneer reeling machine, plate is rolled into cylindric arch tube via veneer reeling machine, then arch tube is transported to weld, right
The junction of arch tube is sealed welding；
B. multiple deep floors are made to form umbrella-shaped structure corresponding with arch tube internal diameter together multiple deep floor Combination Weldings；
S4. finished product detection
A. arch tube obtained in S3 is first passed through into carrying out flaw detection instrument and ultrasonic examination detection is carried out to the commissure that arch tube connects, protected
The welding quality for demonstrate,proving arch tube welding, welds the arch tube for not reaching welding standard, then will be examined by welding standard again
The arch tube of survey is delivered to the detection carried out at three core roller beds to arch tube internal diameter circularity, guarantees that the arch tube rolled out meets circularity standard,
So that the stable connection of subsequent arch rib is accurate；
B. the deep floor of Combination Welding is subjected to detection assay to weld seam junction using carrying out flaw detection instrument, uses calibrated ruler school
At the solder design of quasi- multiple deep floors whether at center, guarantee the both ends of multiple deep floors on same a circumference, into
And the deep floor after combination is accurately welded in arch tube；
S5. composite assembly
Arch tube and deep floor after will test are put together, and deep floor is placed in arch tube, and by deep floor
Both ends all seamless weldings enhance the overall structure stability of arch tube in arch tube, then pass through hoisting machine for multiple arch tubes according to thing
The position of preceding Loft Line is in place, welds to multiple arch tubes, and floor connects on the equal assemble welding in the junction of multiple arch tubes
Head guarantees the stable structure of arch tube composition；
S6. finish coatings
It is combined and spliced it is good after one layer of antirust, anti-corrosive of arch rib surface even application exclusion seal paint, avoid arch rib be easy by
The influence of environmental factor, which causes corrosion to addle, influences arch rib service life.
2. a kind of bridge arch rib production method according to claim 1, it is characterised in that: added in welding place multiple
Flue gas aspirator.
3. a kind of bridge arch rib production method according to claim 1, it is characterised in that: the connection of deep floor and arch tube
It carries out at the construction field (site).
4. a kind of bridge arch rib production method according to claim 1, it is characterised in that: for carrying out the painting of finish coatings
Material is stored in the warehouse of aeration-drying, far from sunshine, water source, fire source and heat source.
5. a kind of bridge arch rib production method according to claim 1, it is characterised in that: the detection of commissure is reprocessed
No more than twice, give up beyond directly cancelling twice.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910423646.3A CN110144809A (en) | 2019-05-21 | 2019-05-21 | A kind of bridge arch rib production method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910423646.3A CN110144809A (en) | 2019-05-21 | 2019-05-21 | A kind of bridge arch rib production method |
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| Publication Number | Publication Date |
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| CN110144809A true CN110144809A (en) | 2019-08-20 |
Family
ID=67592547
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910423646.3A Pending CN110144809A (en) | 2019-05-21 | 2019-05-21 | A kind of bridge arch rib production method |
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Citations (7)
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|---|---|---|---|---|
| JPH0220709A (en) * | 1988-07-08 | 1990-01-24 | Mitsubishi Heavy Ind Ltd | Oblique hanging method for building arch bridge |
| KR20070010449A (en) * | 2005-07-18 | 2007-01-24 | 정상욱 | Construction method for arched bridge |
| KR100898945B1 (en) * | 2009-02-09 | 2009-05-25 | 김영관 | Concrete arch bridge having water flow path and construction method thereof |
| CN103406733A (en) * | 2013-08-21 | 2013-11-27 | 安徽鸿路钢结构(集团)股份有限公司 | Method for fabricating great bridge arch rib |
| CN107988908A (en) * | 2017-06-27 | 2018-05-04 | 宝鸡中铁宝桥天元实业发展有限公司 | The total assembling method of tubular arch |
| CN109505266A (en) * | 2018-12-07 | 2019-03-22 | 中铁局集团厦门建设工程有限公司 | A kind of sleeping splicing method in the scene of tubular arch |
| CN109680619A (en) * | 2019-01-18 | 2019-04-26 | 中铁三局集团有限公司 | A kind of steel truss beam sling Arch Bridge Construction method big suitable for environmental restrictions |
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2019
- 2019-05-21 CN CN201910423646.3A patent/CN110144809A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0220709A (en) * | 1988-07-08 | 1990-01-24 | Mitsubishi Heavy Ind Ltd | Oblique hanging method for building arch bridge |
| KR20070010449A (en) * | 2005-07-18 | 2007-01-24 | 정상욱 | Construction method for arched bridge |
| KR100898945B1 (en) * | 2009-02-09 | 2009-05-25 | 김영관 | Concrete arch bridge having water flow path and construction method thereof |
| CN103406733A (en) * | 2013-08-21 | 2013-11-27 | 安徽鸿路钢结构(集团)股份有限公司 | Method for fabricating great bridge arch rib |
| CN107988908A (en) * | 2017-06-27 | 2018-05-04 | 宝鸡中铁宝桥天元实业发展有限公司 | The total assembling method of tubular arch |
| CN109505266A (en) * | 2018-12-07 | 2019-03-22 | 中铁局集团厦门建设工程有限公司 | A kind of sleeping splicing method in the scene of tubular arch |
| CN109680619A (en) * | 2019-01-18 | 2019-04-26 | 中铁三局集团有限公司 | A kind of steel truss beam sling Arch Bridge Construction method big suitable for environmental restrictions |
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| Title |
|---|
| 严慧等: "《结构与地基新进展》", 30 September 2005, 浙江大学出版社 * |
| 中铁电气化局集团有限公司: "《铁路工程(桥涵)施工作业操作手册》", 31 December 2014, 中国铁道出版社 * |
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Application publication date: 20190820 |