CN107988908A - The total assembling method of tubular arch - Google Patents
The total assembling method of tubular arch Download PDFInfo
- Publication number
- CN107988908A CN107988908A CN201710500688.3A CN201710500688A CN107988908A CN 107988908 A CN107988908 A CN 107988908A CN 201710500688 A CN201710500688 A CN 201710500688A CN 107988908 A CN107988908 A CN 107988908A
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- total
- arch rib
- assembled
- arch
- preassembling
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Classifications
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- 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
- E01D4/00—Arch-type bridges
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The present invention discloses a kind of total assembling method of tubular arch.The total assembling method of tubular arch provided by the invention is included according to preassembled computer software setting-out gathered data, total place of spelling has been surveyed using the setting-out of total powerstation, theodolite and spirit level measuring apparatus progress truss arch rib on flat steel plate, and arch rib position and steel pipe interface position are set and lean on shelves；Step S2, sets the cushion block of not equal altitude in ground steel plate, ensures the requirement of truss arch rib plane and facade line style；Step S3, the position location of ring flange and arch rib diagonal brace built in the case that casts anchor on corresponding moulding bed position releasing arch rib, interface, ensures the total assembled splicing accuracy of arch rib, reduces always assembled error；Step S4, is detected total assembled fetalism, examining report is provided after detection is qualified.The present invention improves manufacture, sets up precision, realizes design idea, equipment is simple, and blanking is easily purchased, and can reuse；Difficulty of construction is reduced, improves production efficiency, improves economic benefit.
Description
Technical field
The present invention relates to the total assembling technique field of truss tubular arch, more particularly to a kind of total assembling method of tubular arch.
Background technology
Steel pipe arch bridge is as a kind of type of bridge with span ability is big, bearing capacity is high, cost economic, maintenance charge
With the distinctive technical advantage such as low, handsome in appearance, become one of indispensable structure type of modern architecture bridge.With the modern times
The variation of Bridge Design, the span of steel pipe arch bridge is increasing, and difficulty of construction is also higher and higher, this to steel pipe arch bridge especially
The manufacture of truss steel pipe arch bridge and erection precision are one very big " challenges ".
Original technique：Using arch rib unit making-preassembling-sanding-application-transport in factory.
The process that bridge location is set up.Since truss tubular arch unit sectional dimension is larger, the highway component conveying that transfinites is of high cost,
It is more dangerous in transportational process, and well damage is painted to steel box-girder surface.Since transit route is longer, component deforms upon
Possibility it is very big, directly affect component set up precision.
Solve the above problems therefore, it is necessary to provide a kind of total assembling method of new tubular arch.
The content of the invention
In order to solve the above technical problems, the present invention provides a kind of total assembling method of tubular arch, bridge space line style is converted
For the flat linearity effectively controlled, production efficiency is improved, manufacture cost and security risk is reduced, improves truss steel pipe arch bridge bridge
Position set up precision, ensure that the design line style of bridge, make appearance it is more beautiful, smooth-going.
The present invention provides a kind of total assembling method of tubular arch, includes the following steps：
Step S1, according to preassembled computer software setting-out gathered data, theory state is pressed assembled segment is needed
The plane coordinates size for keeping flat the point that on the table, needs are controlled has arranged form, and ground sample is established on Department service bench and is sat
Mark system, makes the workbench in workshop have the function of to detect, position, clamp, assembling, and total spelling place has been surveyed on flat steel plate and has been utilized
Total powerstation, theodolite and spirit level measuring apparatus carry out the setting-out of truss arch rib, and arch rib position and steel pipe interface position are set
Shelves are rested against, using the method for the horizontal assembling of arch rib, and tire fetalism is assembled, welded, repaired using arch rib；
Step S2, sets the cushion block of not equal altitude in ground steel plate, ensures the requirement of truss arch rib plane and facade line style,
On ground sample coordinate assembling table, base area sample coordinate points can reflect that camber, sunpender on arch rib control point link center
The detection coordinates numerical value of bonding wire between the exact position of line, segment, and check the total length and flatness of component；
Step S3, the positioning of ring flange and arch rib diagonal brace built in the case that casts anchor on corresponding moulding bed position releasing arch rib, interface
Position, ensures the total assembled splicing accuracy of arch rib, reduces total assembled error, when steel pipes with straight is assembled, butt weld is placed in flat
On the inside of yoke plate；The adjacent longitudinal seam size that staggers is more than 200mm；
Step S4, is detected total assembled fetalism, examining report is provided after detection is qualified；
Step S5, component is by the assembled parallel spot welding of line, always again into equidirectional symmetrical welding, and pass through after assembled all components
After crossing Non-Destructive Testing, rechecked again by fetalism setting-out position, bridge location is installed into position line, bridge location measurement position line in component
On mark, tire inspection is carried out out after meeting the requirements, component goes out tire after the assay was approved；After arch rib is detected a flaw, tire progress is returned again
Review, after meeting the requirements, gas flame cuttiug, reconditioning are carried out according to the prefabricated segment length of steel lagging jack, and carry out sanding, application, specifically,
In the range of the 50mm of butt weld both ends and web member contact site is without application, and is protected；
Step S6, goes out tire rear part and is transported to bridge location by sanding, application using heavy-load automobile and is lifted；
Step S7, carries out comprehensive repetition measurement to total assembled fetalism and is modified again, ensures that the precision of total assembled fetalism will
Ask, be ready for the total consolidation service of next round；Lifting rib-lifting section is transported using heavy-load automobile, is transported to bridge location,
Cable crane is coordinated to carry out rib-hoisting, set up.
Preferably, the arch rib preassembling is carried out using the pattern of prosposition " 3+1 "；Each pre-splicing 4 lifting elements, it is pre-splicing
A segment is reserved after dress as reset section, participates in next preassembling.
Preferably, the method for the arch rib preassembling, includes the following steps：
Put first steel lagging jack lifting elements successively on preassembling moulding bed, pre-control geometric accuracy when putting, puts
Accurate adjustment again afterwards；
After first unit preassembling is in place, complete detection geometric accuracy and interface precision are then interim fixed；
Second, third and the 4th lifting elements are put successively, and detect, adjust and fix temporarily accordingly；
The geometric accuracy and matching precision of one preassembling round of complete detection, then need to carry out if there is off-gage phenomenon
Corresponding adjustment；
After each corner is all met the requirements, each interface installs two groups and matches connector temporarily；
Rod piece is numbered, in order to install；
Disintegrate, in addition to reset unit gives over to the benchmark of preassembling next time, remaining lifting elements is transported to beam strorage area storage.
Preferably, the preassembled computer software is Atuo CAD.
Preferably, in step plays S4, the component detection is included in the appearance and size progress to unit member before tire
Detection, participates in total assembled after meeting the requirements.
The total assembling method of tubular arch provided by the invention carries out truss arch rib 1 according to design drawing requirement using computer software:1
Full-scale setting-out.The setting-out coordinate points of steel truss arch rib are gathered according to software setting-out and are arranged, by measuring apparatus total
Spell the arch rib line style that place releases actual Cheng Qiao (facade line style is converted into plane curve)；Arch rib is carried out according to the line style of releasing
Total assembled, welding, the finishing of unit, anchor box unit and ring flange unit, ensure the connection required precision between arch rib unit；Can
To utilize existing place, equipment near bridge location, the top-bottom chord that processing and fabricating in factory is completed, web member, ring flange, anchor case etc.
Unit member is sent to total assembled place, and the complex space line style of the total assembling technique of truss tubular arch is converted into flat linearity
Total consolidation service is carried out, not only increases making precision, is also effectively guaranteed the production efficiency and bridge location arch of truss tubular arch
The connection precision set up between rib unit, while risk in transit, difficulty of construction and the manufacture cost of the component that transfinites are reduced, reach
Truss tubular arch line style is beautiful, the requirement of smooth-going.
Brief description of the drawings
Fig. 1 is the steel tube arch rib setting-out schematic diagram of the total assembling method of tubular arch provided by the invention；
Fig. 2 is the steel tube arch rib sectional drawing of the total assembling method of tubular arch provided by the invention.
Embodiment
Below in conjunction with drawings and embodiments, the invention will be further described.
Please refer to Fig.1 and Fig. 2, Fig. 1 be the total assembling method of tubular arch provided by the invention steel tube arch rib setting-out schematic diagram；
Fig. 2 is the steel tube arch rib sectional drawing of the total assembling method of tubular arch provided by the invention.
The total assembling method of tubular arch includes the following steps：
Step S1, according to preassembled computer software setting-out gathered data, theory state is pressed assembled segment is needed
The plane coordinates size for keeping flat the point that on the table, needs are controlled has arranged form, and ground sample is established on Department service bench and is sat
Mark system, makes the workbench in workshop have the function of to detect, position, clamp, assembling, and total spelling place has been surveyed on flat steel plate and has been utilized
Total powerstation, theodolite and spirit level measuring apparatus carry out the setting-out of truss arch rib, and arch rib position and steel pipe interface position are set
Shelves are rested against, using the method for the horizontal assembling of arch rib, and tire fetalism is assembled, welded, repaired using arch rib；
Step S2, sets the cushion block of not equal altitude in ground steel plate, ensures the requirement of truss arch rib plane and facade line style,
On ground sample coordinate assembling table, base area sample coordinate points can reflect that camber, sunpender on arch rib control point link center
The detection coordinates numerical value of bonding wire between the exact position of line, segment, and check the total length and flatness of component；
Step S3, the positioning of ring flange and arch rib diagonal brace built in the case that casts anchor on corresponding moulding bed position releasing arch rib, interface
Position, ensures the total assembled splicing accuracy of arch rib, reduces total assembled error, when steel pipes with straight is assembled, butt weld is placed in flat
On the inside of yoke plate；The adjacent longitudinal seam size that staggers is more than 200mm；
Step S4, is detected total assembled fetalism, examining report is provided after detection is qualified；
Step S5, component is by the assembled parallel spot welding of line, always again into equidirectional symmetrical welding, and pass through after assembled all components
After crossing Non-Destructive Testing, rechecked again by fetalism setting-out position, bridge location is installed into position line, bridge location measurement position line in component
On mark, tire inspection is carried out out after meeting the requirements, component goes out tire after the assay was approved；After arch rib is detected a flaw, tire progress is returned again
Review, after meeting the requirements, gas flame cuttiug, reconditioning are carried out according to the prefabricated segment length of steel lagging jack, and carry out sanding, application, specifically,
In the range of the 50mm of butt weld both ends and web member contact site is without application, and is protected；
Step S6, goes out tire rear part and is transported to bridge location by sanding, application using heavy-load automobile and is lifted；
Step S7, carries out comprehensive repetition measurement to total assembled fetalism and is modified again, ensures that the precision of total assembled fetalism will
Ask, be ready for the total consolidation service of next round；Lifting rib-lifting section is transported using heavy-load automobile, is transported to bridge location,
Cable crane is coordinated to carry out rib-hoisting, set up.
Preferably, the arch rib preassembling is carried out using the pattern of prosposition " 3+1 "；Each pre-splicing 4 lifting elements, it is pre-splicing
A segment is reserved after dress as reset section, participates in next preassembling.
Preferably, the method for the arch rib preassembling, includes the following steps：
Put first steel lagging jack lifting elements successively on preassembling moulding bed, pre-control geometric accuracy when putting, puts
Accurate adjustment again afterwards；
After first unit preassembling is in place, complete detection geometric accuracy and interface precision are then interim fixed；
Second, third and the 4th lifting elements are put successively, and detect, adjust and fix temporarily accordingly；
The geometric accuracy and matching precision of one preassembling round of complete detection, then need to carry out if there is off-gage phenomenon
Corresponding adjustment；
After each corner is all met the requirements, each interface installs two groups and matches connector temporarily；
Rod piece is numbered, in order to install；
Disintegrate, in addition to reset unit gives over to the benchmark of preassembling next time, remaining lifting elements is transported to beam strorage area storage.
Preferably, the preassembled computer software is Atuo CAD.
Preferably, in step plays S4, the component detection is included in the appearance and size progress to unit member before tire
Detection, participates in total assembled after meeting the requirements.
Refer to list below；Respectively arch rib segmentation mouth coordinate parameters table, crossbeam central coordinate of circle parameter list, the stull center of circle
Coordinate parameters table, arch rib coordinate parameters table.
The technical measures of preassembling of the present invention, including：
1) establishment of preassembling technique guiding book will be with preassembling operation reasonable, simple and direct economy for principle, preassembling
Detection to accomplish overall scientific, strong operability, the moulding bed of preassembling is designed in addition to fulcrum requirement is met, while to consider basis
Firm, influence of the rigidity of stent to preassembling precision, while to consider the elasticity after the selection and moulding bed load-bearing of benchmark
The influence to benchmark is deformed, in order to avoid influence of the stent load-bearing to benchmark, detection benchmark must individually be located at steady outside stent
On the basis of Gu.
2) preassembling is carried out in strict accordance with the order of technological requirement, putting for first lifting elements will be in strict accordance with datum line
Aligned, as the benchmark of other cell locations.
3) during subsequent cell preassembling, not only to consider, with first segment matches precision and with respect to geometric accuracy, also to carry out
Overall measurement, to avoid the accumulation of error.
4) often increase the preassembling of a lifting elements, then complete detection is wanted, to provide foundation for follow-up preassembling.
5) after a preassembling totally detects qualification, the unwrapping wire of position baseline and interim matching connector can be carried out
Installment work.
The total assembling method of tubular arch provided by the invention carries out truss arch rib 1 according to design drawing requirement using computer software:1
Full-scale setting-out.The setting-out coordinate points of steel truss arch rib are gathered according to software setting-out and are arranged, by measuring apparatus total
Spell the arch rib line style that place releases actual Cheng Qiao (facade line style is converted into plane curve)；Arch rib is carried out according to the line style of releasing
Total assembled, welding, the finishing of unit, anchor box unit and ring flange unit, ensure the connection required precision between arch rib unit；Can
To utilize existing place, equipment near bridge location, the top-bottom chord that processing and fabricating in factory is completed, web member, ring flange, anchor case etc.
Unit member is sent to total assembled place, and the complex space line style of the total assembling technique of truss tubular arch is converted into flat linearity
Total consolidation service is carried out, not only increases making precision, is also effectively guaranteed the production efficiency and bridge location arch of truss tubular arch
The connection precision set up between rib unit, while risk in transit, difficulty of construction and the manufacture cost of the component that transfinites are reduced, reach
Truss tubular arch line style is beautiful, the requirement of smooth-going.
The foregoing is merely the embodiment of the present invention, is not intended to limit the scope of the invention, every to utilize this hair
The equivalent structure or equivalent flow shift that bright specification and accompanying drawing content are made, is directly or indirectly used in other relevant skills
Art field, is included within the scope of the present invention.
Claims (5)
1. a kind of total assembling method of tubular arch, it is characterised in that include the following steps：
Step S1, according to preassembled computer software setting-out gathered data, is kept flat assembled segment is needed by theory state
On the table, the plane coordinates size of point needs controlled has arranged form, and ground sample coordinate system is established on Department service bench,
The workbench in workshop had the function of to detect, positioned, clamp, assembling, total spelling place has been surveyed whole station is utilized on flat steel plate
Instrument, theodolite and spirit level measuring apparatus carry out the setting-out of truss arch rib, and arch rib position and steel pipe interface position are set and leaned on
Shelves, using the method for the horizontal assembling of arch rib, and tire fetalism is assembled, welded, repaired using arch rib；
Step S2, sets the cushion block of not equal altitude in ground steel plate, ensures the requirement of truss arch rib plane and facade line style, on ground
On sample coordinate assembling table, base area sample coordinate points can reflect that camber, sunpender on arch rib control point link center line
The detection coordinates numerical value of bonding wire between exact position, segment, and check the total length and flatness of component；
Step S3, the position location of ring flange and arch rib diagonal brace built in the case that casts anchor on corresponding moulding bed position releasing arch rib, interface,
Ensure the total assembled splicing accuracy of arch rib, reduce total assembled error, when steel pipes with straight is assembled, butt weld is placed in lateral plate
Side；The adjacent longitudinal seam size that staggers is more than 200mm；
Step S4, is detected total assembled fetalism, examining report is provided after detection is qualified；
Step S5, component always again into equidirectional symmetrical welding after assembled all components, and pass through nothing by the assembled parallel spot welding of line
After damage detection, rechecked again by fetalism setting-out position, bridge location installation position line, bridge location measurement position line are drawn on component
Go out, tire inspection is carried out out after meeting the requirements, component goes out tire after the assay was approved；After arch rib is detected a flaw, tire is returned again and is checked,
After meeting the requirements, gas flame cuttiug, reconditioning are carried out according to the prefabricated segment length of steel lagging jack, and carries out sanding, application, specifically, docking
In the range of the 50mm of weld seam both ends and web member contact site is without application, and is protected；
Step S6, goes out tire rear part and is transported to bridge location by sanding, application using heavy-load automobile and is lifted；
Step S7, carries out comprehensive repetition measurement to total assembled fetalism and is modified again, ensures the required precision of total assembled fetalism, accurate
It is standby to carry out the total consolidation service of next round；Lifting rib-lifting section is transported using heavy-load automobile, transports to bridge location, coordinates cable
Rope, which is hung, to carry out rib-hoisting, sets up.
2. the total assembling method of tubular arch according to claim 1, it is characterised in that the arch rib preassembling uses prosposition " 3
+ 1 " pattern carries out；Each pre-splicing 4 lifting elements, reserve a segment after preassembling and are used as reset section, participate in next
Preassembling.
3. the total assembling method of tubular arch according to claim 1, it is characterised in that the method for the arch rib preassembling, bag
Include following steps：
Put first steel lagging jack lifting elements successively on preassembling moulding bed, pre-control geometric accuracy when putting, after putting again
Precision adjustment；
After first unit preassembling is in place, complete detection geometric accuracy and interface precision are then interim fixed；
Second, third and the 4th lifting elements are put successively, and detect, adjust and fix temporarily accordingly；
The geometric accuracy and matching precision of one preassembling round of complete detection, then need to carry out corresponding if there is off-gage phenomenon
Adjustment；
After each corner is all met the requirements, each interface installs two groups and matches connector temporarily；
Rod piece is numbered, in order to install；
Disintegrate, in addition to reset unit gives over to the benchmark of preassembling next time, remaining lifting elements is transported to beam strorage area storage.
4. the total assembling method of tubular arch according to claim 1, it is characterised in that the preassembled computer software is
Atuo CAD。
5. the total assembling method of tubular arch according to claim 1, it is characterised in that in step plays S4, the component detection
The appearance and size of unit member is detected before being included in tire, is participated in after meeting the requirements total assembled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710500688.3A CN107988908A (en) | 2017-06-27 | 2017-06-27 | The total assembling method of tubular arch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710500688.3A CN107988908A (en) | 2017-06-27 | 2017-06-27 | The total assembling method of tubular arch |
Publications (1)
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| CN107988908A true CN107988908A (en) | 2018-05-04 |
Family
ID=62029625
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|---|---|---|---|
| CN201710500688.3A Pending CN107988908A (en) | 2017-06-27 | 2017-06-27 | The total assembling method of tubular arch |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109214099A (en) * | 2018-09-20 | 2019-01-15 | 中建三局基础设施建设投资有限公司 | A kind of arch rib steel pipe location Calculation and construction method |
| 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 |
| CN109815640A (en) * | 2019-03-19 | 2019-05-28 | 中国十九冶集团有限公司 | Method for erecting ground tire of curved-surface steel box bridge |
| CN110144809A (en) * | 2019-05-21 | 2019-08-20 | 安徽伟宏钢结构集团股份有限公司 | A kind of bridge arch rib production method |
| CN110725212A (en) * | 2019-10-24 | 2020-01-24 | 广西路桥工程集团有限公司 | Method for determining target pile number and target elevation of steel pipe arch rib installation control point |
| CN111395533A (en) * | 2020-03-30 | 2020-07-10 | 中铁二局第一工程有限公司 | Multi-mechanism resultant force air overturning construction method for large-span arc-shaped latticed shell structure |
| CN114438899A (en) * | 2022-02-28 | 2022-05-06 | 中铁大桥科学研究院有限公司 | Linear control method of hexagonal basket arch |
| CN115365690A (en) * | 2021-05-19 | 2022-11-22 | 南通振华重型装备制造有限公司 | Construction method of large-scale steel bridge S690 high-strength steel large-section box type arch rib |
| CN115422645B (en) * | 2022-09-22 | 2024-02-02 | 北京首钢建设集团有限公司 | Three-dimensional measurement space coordinate conversion method for large-span deformed steel truss structure |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109214099A (en) * | 2018-09-20 | 2019-01-15 | 中建三局基础设施建设投资有限公司 | A kind of arch rib steel pipe location Calculation and construction method |
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| 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 |
| CN109815640A (en) * | 2019-03-19 | 2019-05-28 | 中国十九冶集团有限公司 | Method for erecting ground tire of curved-surface steel box bridge |
| CN110144809A (en) * | 2019-05-21 | 2019-08-20 | 安徽伟宏钢结构集团股份有限公司 | A kind of bridge arch rib production method |
| CN110725212A (en) * | 2019-10-24 | 2020-01-24 | 广西路桥工程集团有限公司 | Method for determining target pile number and target elevation of steel pipe arch rib installation control point |
| CN110725212B (en) * | 2019-10-24 | 2021-03-16 | 广西路桥工程集团有限公司 | Method for determining target pile number and target elevation of steel pipe arch rib installation control point |
| CN111395533A (en) * | 2020-03-30 | 2020-07-10 | 中铁二局第一工程有限公司 | Multi-mechanism resultant force air overturning construction method for large-span arc-shaped latticed shell structure |
| CN115365690A (en) * | 2021-05-19 | 2022-11-22 | 南通振华重型装备制造有限公司 | Construction method of large-scale steel bridge S690 high-strength steel large-section box type arch rib |
| CN114438899A (en) * | 2022-02-28 | 2022-05-06 | 中铁大桥科学研究院有限公司 | Linear control method of hexagonal basket arch |
| CN115422645B (en) * | 2022-09-22 | 2024-02-02 | 北京首钢建设集团有限公司 | Three-dimensional measurement space coordinate conversion method for large-span deformed steel truss structure |
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Application publication date: 20180504 |