CN106312247A - Bilateral welding method for fillet seams of U rib and orthotropic steel deck plate - Google Patents
Bilateral welding method for fillet seams of U rib and orthotropic steel deck plate Download PDFInfo
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- CN106312247A CN106312247A CN201610910835.XA CN201610910835A CN106312247A CN 106312247 A CN106312247 A CN 106312247A CN 201610910835 A CN201610910835 A CN 201610910835A CN 106312247 A CN106312247 A CN 106312247A
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- Prior art keywords
- rib
- welding
- angle
- weld seam
- bridge deck
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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
- B23K9/00—Arc welding or cutting
- B23K9/02—Seam welding; Backing means; Inserts
- B23K9/025—Seam welding; Backing means; Inserts for rectilinear seams
- B23K9/0256—Seam welding; Backing means; Inserts for rectilinear seams for welding ribs on plates
-
- 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
- B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
- B23K35/22—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
- B23K35/38—Selection of media, e.g. special atmospheres for surrounding the working area
- B23K35/383—Selection of media, e.g. special atmospheres for surrounding the working area mainly containing noble gases or nitrogen
-
- 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
- B23K9/00—Arc welding or cutting
- B23K9/16—Arc welding or cutting making use of shielding gas
Abstract
The invention discloses a bilateral welding method for fillet seams of a U rib and an orthotropic steel deck plate and belongs to the technical field of bridge manufacturing. The bilateral welding method comprises the steps that the U rib and the plate are assembled; a solid wire without copper plating on the surface is adopted, ternary argon-rich mixed gas is selected as the protective gas, and the fillet seam in the root of the inner side of the U rib is welded; and a plate unit is transferred to a hydraulic reversible deformation molding frame, and the fillet seam in the outer side of the U rib is welded. According to the bilateral welding method, weld spattering is small, video surveillance is not influenced, slag on the surfaces of the seams is little, thus slag tapping is not needed, and small-section long-distance stable visual welding of the inner side of the U rib is achieved. In addition, weld penetration is large, fatigue cracks are not liable to occur, the welding quality is improved, and thus the durability of the steel deck plate is improved.
Description
Technical field
The present invention relates to bridge manufacturing technology field, particularly to a kind of Orthotropic Steel Bridge Deck U angle of rib weld seam bilateral
Soldering method.
Background technology
Orthotropic Steel Bridge Deck has lightweight and rapid construction advantage, is widely adopted on Large Span Bridges, but
Because vehicle-mounted load and CONSTRUCTED SPECIFICATION stress concentrate impact, all kinds of fatigue cracking outstanding problems, annoying bridge engineering construction always
Persons.Between in the past few decades, research worker achieves a large amount of experience and lessons, and has carried out substantial amounts of research work, purport
Improve and optimizing Orthotropic Steel Bridge Deck welding details, improve durability.Owing to U rib cross section is narrow and small, can only incite somebody to action from outside
It is soldered on floorings: this angle welding is eccentric state to the web of rib, and wheel weight acts on the U angle of rib by floorings
The bending stress of the root of weld is excessive, and at root of weld, the existence of residual tension improves lack of penetration root of weld tip maximum effectively in addition
Tensile stress value, is therefore easily generated the fatigue crack from root of weld germinating.
Along with the continuous progress to welding equipment and technology research, have been developed that to enter and carry out inside U rib welding
Welding equipment.U rib floorings element solder length is the most all about 12m, and some projects may relate to 18m, floorings list
Element substance also has about 10 tons.In the most either, weldering still outside weld all uses moulding bed to maintain static, and enters unit piece to be welded
Luggage is clamping fixed；Welding equipment carries out motion welding.Inside it is welded in the internal small cross-sectional size of U rib and can form the defeated of water, electricity, gas body
Enter, also have both tracking to moving exactly in time and emergency case can be tackled.For small cross-sectional size inside U rib, long away from
From the feature of welding, the technology controlling and process of welding is that the emphasis of weldering is also difficult point in whole U rib.And the welding of existing outer Welding flies
Spattering big and face of weld slag is many, can affect Online Video monitoring and the quality control of interior weldering, outer Welding is not suitable for
Interior weldering.In sum, the bilateral welding method developing a kind of U rib is significant, and U rib bilateral welding difficult point be right
The control of Welding in U rib.
Summary of the invention
It is an object of the invention to provide a kind of Orthotropic Steel Bridge Deck U angle of rib weld seam bilateral soldering method, spatter is little
Not interfering with video monitoring, face of weld slag is few without carrying out striking slag, it is achieved that inside U rib, the visualization of small bore distance is steady
Fixed welding；And weld penetration is big, it is not likely to produce fatigue crack.
For achieving the above object, the invention provides a kind of Orthotropic Steel Bridge Deck U angle of rib weld seam bilateral soldering method, bag
Include:
U rib and panel are carried out assembling fixing；
Use surface without copper-plated solid core welding wire, selection ternary rich argon mixture gas as protective gas, inside welding U rib
The angle welding of root；
Slab element is transported on hydraulic pressure reversely deformed jig frame, welds U rib laterior horn weld seam.
Further, described welding wire is barreled wire welding.
Further, described ternary rich argon mixture gas is Ar+CO2+O2。
Further, described ternary rich argon mixture gas by volume percentage ratio by 84% Ar, the CO of 14%2With 2% O2
Composition.
Further, the flow controlling described ternary rich argon mixture gas is 18～22L/min.
Further, the angle welding of described welding U rib inboard root, including: the bevel angle controlling U rib is 50 °, groove
Root face is 1.5mm.
Further, the angle welding of described welding U rib inboard root, including: controlling welding current is 270～290A, electricity
Arc voltage is 30-32V, and weldering speed is 360～400mm/min.
Further, after described welding U rib laterior horn weld seam, also include: angle welding is carried out Non-Destructive Testing, according to
Defective region is repaired by testing result.
The one or more technical schemes provided in the embodiment of the present invention, at least have the following technical effect that or advantage:
1, in the embodiment of the present invention provide Orthotropic Steel Bridge Deck U angle of rib weld seam bilateral soldering method, by by U rib with
It is fixing that panel carries out assembling；Use surface without copper-plated solid core welding wire, selection ternary rich argon mixture gas as protective gas, weldering
Connect the angle welding of U rib inboard root；Slab element is transported on hydraulic pressure reversely deformed jig frame, welds U rib laterior horn weld seam.Wherein,
In using surface to weld without copper-plated solid core welding wire, splashing amount is low, and face of weld silica scum is few；Ternary is argon-rich gas shielded
Welding arc can be improved flexible, reduce spatter and increase weld penetration, it is achieved the stable welding inside U rib；And use double
Side welding method, compared with welding outside one side, welding penetration is big, is not likely to produce fatigue crack, improves welding quality, and then
Improve the durability of steel bridge deck.
2, in the embodiment of the present invention provide Orthotropic Steel Bridge Deck U angle of rib weld seam bilateral soldering method, by welding wire,
Protective gas and the control of welding parameter, it is possible to reduce spatter such that it is able to detected by video monitoring system intuitively
Weld appearance quality, it is achieved that the visualization welding within U rib structure, improves welding quality further.
3, the Orthotropic Steel Bridge Deck U angle of rib weld seam bilateral soldering method provided in the embodiment of the present invention, in welding process
In monitor in real time by arc light butt welded seam outward appearance, can find and identify defect in time, the occupancy of soldering equipment in reducing, raising sets
Standby use and production efficiency, brought up to 1.5 hours/block by 4 hours initial/block.
Accompanying drawing explanation
Fig. 1 is the Orthotropic Steel Bridge Deck U angle of rib weld seam bilateral soldering method flow chart that the embodiment of the present invention provides；
Fig. 2 is bevel for welding figure inside U rib in the embodiment of the present invention.
Detailed description of the invention
The embodiment of the present invention provides a kind of Orthotropic Steel Bridge Deck U angle of rib weld seam bilateral soldering method, and spatter is little not
Can affect video monitoring, face of weld slag is few without carrying out striking slag, it is achieved that inside U rib, the visualization of small bore distance is stable
Welding；And weld penetration is big, it is not likely to produce fatigue crack, improves welding quality, and then improve steel bridge deck durability.
For achieving the above object, the general thought of the embodiment of the present application offer technical scheme is as follows:
A kind of Orthotropic Steel Bridge Deck U angle of rib weld seam bilateral soldering method, comprises the following steps:
U rib and panel are carried out assembling fixing；
Use surface without copper-plated solid core welding wire, selection ternary rich argon mixture gas as protective gas, inside welding U rib
The angle welding of root；
Slab element is transported on hydraulic pressure reversely deformed jig frame, welds U rib laterior horn weld seam.
By foregoing it can be seen that the embodiment of the present invention is by using bilateral welding method, wherein: interior weldering uses table
During face is welded without copper-plated solid core welding wire, splashing amount is low, and face of weld silica scum is few；Ternary argon-rich gas can improve welding
Electric arc is flexible, reduces spatter and increases weld penetration, it is achieved that inside U rib, small bore distance stably visualizes welding；
Use bilateral welding penetration high, be not likely to produce fatigue crack, improve welding quality, and then improve the durable of steel bridge deck
Property, it is possible to realize mass production.
In order to be better understood from technique scheme, below in conjunction with Figure of description and detailed description of the invention to above-mentioned
Technical scheme is described in detail.
The invention provides a kind of Orthotropic Steel Bridge Deck U angle of rib weld seam bilateral soldering method, see Fig. 1, including following
Step:
Step S110: U rib and panel are carried out assembling fixing；
Step S120: use surface without copper-plated solid core welding wire, selection ternary rich argon mixture gas as protective gas, weldering
Connect the angle welding of U rib inboard root；
Step S130: be transported to by Slab element on hydraulic pressure reversely deformed jig frame, welds U rib laterior horn weld seam.
In step s 110, specifically carry out U rib and floorings on assembly machine assembling without horse, U rib on panel unit
Interior weldering operation platform positioning and clamping is fixed.
In the present embodiment, selected welding wire is barreled wire welding.In U rib, weldering needs remote wire feed, for welding wire, needs
There is good wire feeding property, to ensure the stability of electric arc and good appearance of weld.The most freely may draw if as wire feed
Sending out current interruption, the most unavoidably produce seam in inside, increasing weld defect, to produce risk, impact bigger.Simultaneously take account of welding
Efficiency and inside and outside U rib welding process sex chromosome mosaicism, reduce welding point and wlding replacement frequency.Therefore in U rib, external welding is all adopted
With the barreled wire welding meeting efficient welding.
Spatter can cause nozzle and ignition tip blocking, thus causes current interruption phenomenon, welds especially in U rib, if
In welding, current interruption is frequent, can have a strong impact on its welding efficiency.Spatter amount is often relevant to quality of weld seam molding, spatter
Little, illustrate that the droplet transfer stable, thus the more smooth fairing of weld appearance.Therefore spatter amount is also the key evaluating technique
Factor.
Solid core welding wire splashing amount is high relative to flux-cored wire, and surface is without copper-plated solid core welding wire, and its splashing amount is more real than tradition
Core welding wire is decreased obviously, and solves the spattering problem of wlding.Therefore, in U rib, weldering uses surface without copper-plated solid core welding wire.Real core
Welding wire gas shield welding face of weld only has minimal amount of silica scum, overcomes and cannot observe asking of weldquality because welding slag splashes
Topic, does not affect the Online Video monitoring of U rib inner corners weld appearance, it is achieved visualization welding.
In the step s 120, described ternary rich argon mixture gas is Ar+CO2+O2.In actual production, by weldering in U rib
The restriction of the use condition of particularity requirement and welding equipment, can only use gas shielded welding.Examine from the composition of protective gas
Consider, not reselection CO2Or tradition binary is argon-rich gas shielded, but select ternary argon-rich gas, welding process can be improved
The reaction in middle molten bath, improves welding arc flexible, increases sweating heat output, reduces spatter and increases weld penetration.
Preferably, described ternary rich argon mixture gas by volume percentage ratio by 84% Ar, the CO of 14%2, the O of 2%2Group
Become.The three-element mixed gas body of this ratio composition, can be reduced to less than 1/3rd of common binary gas by spatter loss coefficient, although weldering
Connecing heat increased, the welding deformation of Slab element is brought up to 15mm by original about 10mm, but mounted welder the most outside
In equipment allowed band, and improve effective fusion penetration of outside weld principal weld to a certain extent.
During interior weldering, can be monitored in real time by the welding video monitoring system of welding equipment, feed back in time
Welding process quality, but spatter can affect video pictures, it is impossible to see welding process.In the present embodiment, interior weldering uses
Surface is argon-rich gas shielded without copper-plated solid core welding wire and ternary, can reduce in welding and splash, it is achieved visualization welding.General weldering
Connect artistic face slag more, need to carry out striking slag, but U rib inside cross-sectional is little, distance, it is impossible to carry out striking slag operation, use
Solid core welding wire and ternary are argon-rich gas shielded, and face of weld slag is few, it is not necessary to strike slag.
In the step s 120, the flow that interior weldering controls ternary rich argon mixture gas is 18～22L/min.Use Ar+CO2+O2
Three-element mixed gas body is protected, and gas flow 18～22L/min can improve welding arc stablility, improves appearance forming, reduces weldering
Connect splashing, it is to avoid welding process current interruption phenomenon produces.
Seeing Fig. 2, in the step s 120, when welding the angle welding of U rib inboard root, the bevel angle controlling U rib is
50 °, root face is 1.5mm, this groove type meet weld under conditions of effective fusion penetration does not reduces the most stable.When in U rib
When weldering occurs arc burn, interior welding line can be affected and shape, and welding parameter can be caused unstable, therefore need to optimize groove ruler
Very little and welding parameter, it is to avoid arc burn, priority control pauses limit size and groove gap.When groove pause limit excessive time, then can shadow
Ring outside weld fusion penetration, cause weld penetration not enough.
In the step s 120, when welding the angle welding of U rib inboard root, controlling welding current is 270～290A, electric arc
Voltage is 30-32V, and weldering speed is 360～400mm/min.Welding slag is splashed by the selection of welding condition, weld seam slag also has relatively
Impact, and welding condition greatly is affected by material and the protective gas of core wire, need to combine in conjunction with core wire material and protective gas
Conjunction determines.
In step s 130, after fillet weld seam completes outside U rib, U finned surface Slab element part transshipment type welder position is completed U
Weld cleaning and welding outside rib, the welding of U rib laterior horn weld seam uses existing common process to carry out, by plate list after having welded
Unit goes to district to be checked, and postwelding 24h carries out Non-Destructive Testing to angle welding, repairs defective region according to testing result.
By to the optimization of Welding in U rib, in conjunction with existing outer welding technology, rear outer or first outside and then inside bilateral in using first
Welding method, weld penetration is big, is not likely to produce fatigue crack, improves welding quality, and then improve the durable of steel bridge deck
Property.
The embodiment of the present invention, in the internal fillet weld seam of U rib, uses solid core welding wire three-element mixed gas body protection Welding,
Having following advantage compared to existing technology: first, prior art uses flux-cored wire, and it is high that weld crack produces probability, and the present invention adopts
With solid welding wire, because solid welding wire weld seam diffusible hydrogen is low, without brittle tissue, weld crack risk is extremely low, beneficially welding quality
Control；Second, prior art uses flux-cored wire, and face of weld has the slag of one layer of all standing, affects weld appearance and regards online
Frequency monitoring, the present invention uses solid welding wire face of weld slag amount little, does not affect the Online Video monitoring of weld appearance quality；
3rd, welding uses the rich argon-mixed protection of ternary, spatter amount is little, can avoid producing in the internal fillet weld seam of U rib
Raw current interruption phenomenon, and weld appearance shapes the most attractive in appearance.
Based on using, this technique spatter loss coefficient is low, can monitor in real time by arc light butt welded seam outward appearance in welding process, and
Shi Faxian also identifies defect, the occupancy of soldering equipment in reducing, and improves use and the production efficiency of equipment, by initial 4 hours/
Block brings up to now only need 1.5 hours/block.Outward appearance is inspected by random samples and is reprocessed and can synchronize in other regions carry out.And by video
Some supplementary meanss of monitoring, intuitively determine the problem points of the quality that exceeds standard in outward appearance, do not have to splash and the interference of welding slag, really
Realize this narrow and small, semiclosed, distance in meaning is clear visual.The welding method using the present invention can realize in U rib
The transition that weldering quantifies to industry from laboratory.
For a more detailed description to the present invention by the following examples.These embodiments are only embodiment party optimal to the present invention
The description of formula, does not have any restriction to the scope of the present invention.The solid core welding wire trade mark that following example use is GWL-
W56, a diameter of 1.2mm, for surface without copper facing barreled wire welding, certainly, also may select the solid core welding wire of other trade mark, used
Welding equipment is prior art.
Embodiment 1
Carry out U rib and floorings on assembly machine assembling without horse, weldering operation platform positioning and clamping in U rib on panel unit
Fixing；
6 U rib inner corners weld seam Full-automatic welding machine people enter inside Slab element U rib, and run to U rib other end end
Portion, completes the system scanning of welding gun track and attitude in U rib；Every welding robot has two welding guns, starts weldering system in U rib
System, equipment has once welded the angle welding of the internal bilateral of whole U rib；Using three-element mixed gas body protection Welding, gas is joined
Ratio is Ar+CO2+O2, concrete ratio be Ar be 84%, CO2It is 14%, O2It is 2%, controls gas flow 18L/min；Control U rib
Bevel angle be 50 °, root face is 1.5mm；Control welding current 270A, arc voltage 30V, weldering speed 360mm/min；
After being inside soldered into, U finned surface Slab element part transshipment type welder position is completed weld cleaning and welding outside U rib, outside
Weld seam is carried out according to existing welding procedure, and Slab element goes to after having welded district to be checked, and angle welding is carried out lossless by postwelding 24h
Detection, repairs defective region according to testing result.
Embodiment 2
Carry out U rib and floorings on assembly machine assembling without horse, weldering operation platform positioning and clamping in U rib on panel unit
Fixing；
6 U rib inner corners weld seam Full-automatic welding machine people enter inside Slab element U rib, and run to U rib other end end
Portion, completes the system scanning of welding gun track and attitude in U rib；Every welding robot has two welding guns, starts weldering system in U rib
System, equipment has once welded the angle welding of the internal bilateral of whole U rib；Using three-element mixed gas body protection Welding, gas is joined
Ratio is Ar+CO2+O2, concrete ratio be Ar be 84%, CO2It is 14%, O2It is 2%, controls gas flow 20L/min；Control U rib
Bevel angle be 50 °, root face is 1.5mm；Control welding current 280A, arc voltage 31V, weldering speed 380mm/min；
After being inside soldered into, U finned surface Slab element part transshipment type welder position is completed weld cleaning and welding outside U rib, outside
Weld seam is carried out according to existing welding procedure, and Slab element goes to after having welded district to be checked, and angle welding is carried out lossless by postwelding 24h
Detection, repairs defective region according to testing result.
Embodiment 3
Carry out U rib and floorings on assembly machine assembling without horse, weldering operation platform positioning and clamping in U rib on panel unit
Fixing；
6 U rib inner corners weld seam Full-automatic welding machine people enter inside Slab element U rib, and run to U rib other end end
Portion, completes the system scanning of welding gun track and attitude in U rib；Every welding robot has two welding guns, starts weldering system in U rib
System, equipment has once welded the angle welding of the internal bilateral of whole U rib；Using three-element mixed gas body protection Welding, gas is joined
Ratio is Ar+CO2+O2, concrete ratio be Ar be 84%, CO2It is 14%, O2It is 2%, controls gas flow 22L/min；Control U rib
Bevel angle be 50 °, root face is 1.5mm；Control welding current 290A, arc voltage 32V, weldering speed 400mm/min；
After being inside soldered into, U finned surface Slab element part transshipment type welder position is completed weld cleaning and welding outside U rib, outside
Weld seam is carried out according to existing welding procedure, and Slab element goes to after having welded district to be checked, and angle welding is carried out lossless by postwelding 24h
Detection, repairs defective region according to testing result.
Using said method to carry out the welding of U rib bilateral, first-time qualification rate reaches 99.99%, and ten pieces of Slab element of current interruption rate go out
An existing current interruption, deposition efficiency reaches more than 95%.
The one or more technical schemes provided in the embodiment of the present invention, at least have the following technical effect that or advantage:
1, in the embodiment of the present invention provide Orthotropic Steel Bridge Deck U angle of rib weld seam bilateral soldering method, by by U rib with
It is fixing that panel carries out assembling；Use surface without copper-plated solid core welding wire, selection ternary rich argon mixture gas as protective gas, weldering
Connect the angle welding of U rib inboard root；Slab element is transported on hydraulic pressure reversely deformed jig frame, welds U rib laterior horn weld seam.Wherein,
In using surface to weld without copper-plated solid core welding wire, splashing amount is low, and face of weld silica scum is few；Ternary is argon-rich gas shielded
Welding arc can be improved flexible, reduce spatter and increase weld penetration, it is achieved the stable welding inside U rib；And use double
Side welding method, compared with welding outside one side, welding penetration is big, is not likely to produce fatigue crack, improves welding quality, and then
Improve the durability of steel bridge deck.
2, in the embodiment of the present invention provide Orthotropic Steel Bridge Deck U angle of rib weld seam bilateral soldering method, by welding wire,
Protective gas and the control of welding parameter, it is possible to reduce spatter such that it is able to detected by video monitoring system intuitively
Weld appearance quality, it is achieved that the visualization welding within U rib structure, improves welding quality further.
3, the Orthotropic Steel Bridge Deck U angle of rib weld seam bilateral soldering method provided in the embodiment of the present invention, in welding process
In monitor in real time by arc light butt welded seam outward appearance, can find and identify defect in time, the occupancy of soldering equipment in reducing, raising sets
Standby use and production efficiency, brought up to 1.5 hours/block by 4 hours initial/block.
It should be noted last that, above detailed description of the invention only in order to technical scheme to be described and unrestricted,
Although the present invention being described in detail with reference to example, it will be understood by those within the art that, can be to the present invention
Technical scheme modify or equivalent, without deviating from the spirit and scope of technical solution of the present invention, it all should be contained
In the middle of scope of the presently claimed invention.
Claims (8)
1. an Orthotropic Steel Bridge Deck U angle of rib weld seam bilateral soldering method, it is characterised in that including:
U rib and panel are carried out assembling fixing；
Use surface without copper-plated solid core welding wire, selection ternary rich argon mixture gas as protective gas, weld U rib inboard root
Angle welding；
Slab element is transported on hydraulic pressure reversely deformed jig frame, welds U rib laterior horn weld seam.
2. Orthotropic Steel Bridge Deck U angle of rib weld seam bilateral soldering method as claimed in claim 1, it is characterised in that described weldering
Silk is barreled wire welding.
3. Orthotropic Steel Bridge Deck U angle of rib weld seam bilateral soldering method as claimed in claim 1, it is characterised in that described three
Unit's rich argon mixture gas is Ar+CO2+O2。
4. Orthotropic Steel Bridge Deck U angle of rib weld seam bilateral soldering method as claimed in claim 3, it is characterised in that described three
Unit rich argon mixture gas by volume percentage ratio by 84% Ar, the CO of 14%2With 2% O2Composition.
5. the Orthotropic Steel Bridge Deck U angle of rib weld seam bilateral soldering method as described in claim 1 or 3 or 4, it is characterised in that
The flow controlling described ternary rich argon mixture gas is 18～22L/min.
6. Orthotropic Steel Bridge Deck U angle of rib weld seam bilateral soldering method as claimed in claim 1, it is characterised in that described weldering
Connect the angle welding of U rib inboard root, including: the bevel angle controlling U rib is 50 °, and root face is 1.5mm.
7. the Orthotropic Steel Bridge Deck U angle of rib weld seam bilateral soldering method as described in claim 1 or 6, it is characterised in that described
The angle welding of welding U rib inboard root, including: controlling welding current is 270～290A, and arc voltage is 30-32V, and weldering speed is
360～400mm/min.
8. Orthotropic Steel Bridge Deck U angle of rib weld seam bilateral soldering method as claimed in claim 1, it is characterised in that described
After welding U rib laterior horn weld seam, also include: angle welding is carried out Non-Destructive Testing, according to testing result, defective region is entered
Row is repaired.
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| CN201610910835.XA CN106312247A (en) | 2016-10-19 | 2016-10-19 | Bilateral welding method for fillet seams of U rib and orthotropic steel deck plate |
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| CN201610910835.XA CN106312247A (en) | 2016-10-19 | 2016-10-19 | Bilateral welding method for fillet seams of U rib and orthotropic steel deck plate |
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Cited By (6)
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| CN107442907A (en) * | 2017-08-30 | 2017-12-08 | 武船重型工程股份有限公司 | A kind of Steel Bridge U rib plate two-sided welding method based on deep molten gas shield welding |
| CN109570707A (en) * | 2018-11-15 | 2019-04-05 | 中铁宝桥（扬州）有限公司 | A kind of Steel Bridge U rib plate block complete penetration welding method |
| CN109570708A (en) * | 2018-11-15 | 2019-04-05 | 中铁宝桥（扬州）有限公司 | A kind of orthotropic steel bridge deck U rib K-type connector complex welding method |
| CN109760799A (en) * | 2019-02-14 | 2019-05-17 | 江苏科技大学 | The intelligent moulding bed system built towards boat segmental |
| CN110666290A (en) * | 2019-10-28 | 2020-01-10 | 中铁山桥集团有限公司 | Full penetration welding method for U-shaped rib angle welding seam |
| CN111318788A (en) * | 2018-12-17 | 2020-06-23 | 中核建中核燃料元件有限公司 | Lower pipe seat and positioning pin welding method |
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| CN109570707A (en) * | 2018-11-15 | 2019-04-05 | 中铁宝桥（扬州）有限公司 | A kind of Steel Bridge U rib plate block complete penetration welding method |
| CN109570708A (en) * | 2018-11-15 | 2019-04-05 | 中铁宝桥（扬州）有限公司 | A kind of orthotropic steel bridge deck U rib K-type connector complex welding method |
| CN111318788A (en) * | 2018-12-17 | 2020-06-23 | 中核建中核燃料元件有限公司 | Lower pipe seat and positioning pin welding method |
| CN109760799A (en) * | 2019-02-14 | 2019-05-17 | 江苏科技大学 | The intelligent moulding bed system built towards boat segmental |
| CN110666290A (en) * | 2019-10-28 | 2020-01-10 | 中铁山桥集团有限公司 | Full penetration welding method for U-shaped rib angle welding seam |
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Application publication date: 20170111 |