CN108179839B - Four round steel pipe coupled columns of one kind and preparation method thereof - Google Patents
Four round steel pipe coupled columns of one kind and preparation method thereof Download PDFInfo
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- CN108179839B CN108179839B CN201810019580.7A CN201810019580A CN108179839B CN 108179839 B CN108179839 B CN 108179839B CN 201810019580 A CN201810019580 A CN 201810019580A CN 108179839 B CN108179839 B CN 108179839B
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- pipe
- tube steel
- horizontal baffle
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/30—Columns; Pillars; Struts
- E04C3/32—Columns; Pillars; Struts of metal
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
Abstract
Four round steel pipe coupled columns of one kind and preparation method thereof, including cylinder, the outer wall of cylinder is fixed with horizontal steel corbel, cylinder includes round tube steel column, horizontal baffle in pipe is welded on round tube steel column, it is welded with horizontal baffle between pipe between the outer wall of round tube steel column, sealing plate of vertically putting more energy into is fixedly connected between round tube steel column.Production method includes making sealing plate of vertically putting more energy between horizontal baffle, installing pipe between four round tube steel columns, installing pipes, the top end face of mounting cylinder.The present invention has taken into account the feasibility of workshop practical operation under the premise of guaranteeing component quality by reasonably being optimized to structure member welding sequence, to the strict control of sequence of erection and welding；Feasible technological measure and scientific and reasonable solution have been summed up in terms of assemble sequence, internal welding, groove type, longitudinal joint, member profile size has been effectively guaranteed, improves the total quality of component.
Description
Technical field
The present invention relates to a kind of building element, especially a kind of composite steel column and preparation method thereof.
Background technique
Period is grown rapidly in economic construction of China, various regions are constantly strengthened infrastructure, wherein the fields such as exhibition, sport
The construction in shop be it is in full flourish, more and more there is curved profile, changeable unique model in many venue buildings.Steel column is made
For the important supporting member of space structure, structure type also becomes more complicated therewith, and production difficulty of processing becomes increasingly
Greatly.When making such labyrinth, scientific and reasonable manufacture craft guarantees the appearance ruler of component to the welding quality for improving component
Very little and precision is of crucial importance.
The usual sectional dimension of composite column structure is big, monomer weight is big, pipe is interior and pipe spacing board is more, and multi-purpose slab system
Make, welding workload and welding operation difficulty are all very big, and production process is complicated.Combine that column section is larger simultaneously but between single column
Spacing it is smaller, in column, the operating space of intercolumniation it is more narrow, and welding requirements full penetration first-order weld, level weld seam requirement are higher.
The processing difficulties of component are in irregular shape, turn handling difficulty, high to lifting equipment requirement；Partition shape abnormity, certain portions
Position can not be constructed using common process；Component overall package, assembly precision require height, and assembled difficulty is big.Complicated for form
Steel column guarantees the machining accuracy of each process to increase the operability of construction, to reach the quality requirement of component, it is necessary to logical
Optimization processing technology is crossed, the accurate processing assembled and welded everywhere in complicated steel column, scientific and reasonable production work are rationally solved
Skill is of crucial importance the welding quality for improving component to the apparent size and precision that guarantee component.
Summary of the invention
The object of the present invention is to provide a kind of four round steel pipe coupled columns and preparation method thereof, to solve existing rod structure form
The technical issues of being unable to satisfy more complicated architecture structure form；And it is tired using common process construction welding to solve coupled column
Difficulty, assembled difficulty is big, the lower technical problem of construction operability.
To achieve the above object, the present invention adopts the following technical scheme:
A kind of four round steel pipe coupled columns, including cylinder, the outer wall of the cylinder are fixed with the horizontal steel corbel for beam connection,
The cylinder includes the identical round tube steel column of four sizes disposed in parallel, and four round tube steel columns are equidistant around the central axes of cylinder
Interval setting,
It is welded on the inner wall of the round tube steel column along the setting of the short transverse interval of round tube steel column, outer diameter and round tube steel column
The adaptable one group of round tube of internal diameter in horizontal baffle, be set to the position that horizontal baffle is arranged in the pipe in four round tube steel columns
Set respectively corresponded with number it is identical；
The water between the spaced one group of pipe of short transverse of round tube steel column is welded between the outer wall of the round tube steel column
Flat partition board, horizontal baffle is the square plate for the arc notch that four corners have between the pipe, four of the square plate
Virtual angle point is overlapped with the cross section center of circle of four round tube steel columns respectively, the size of the arc notch respectively with four round tube steel
The outer diameter of column is adapted and welds along its outer wall surface,
Be fixedly connected between the pipe contour with cylinder sealing plate of vertically putting more energy between the round tube steel column, between the pipe vertically plus
Strength sealing plate is respectively set together in four sides of cylinder, and the inner surface for sealing plate of vertically putting more energy between every deferent is sequentially connected with each
The end face outside of horizontal baffle the same side between pipe, the end face of left and right two for sealing plate of vertically putting more energy between every deferent respectively with adjacent circle
The outer wall of pipe steel column welds,
Horizontal baffle corresponds inside and outside the setting position on height of column direction between horizontal baffle and pipe in the pipe.
Horizontal baffle includes bracket connecting partition, connection reinforcement partition and capital sealing plate, the bracket connection in the pipe
Partition is arranged in horizontal steel corbel node area, and the connection reinforcement partition is arranged outside horizontal steel corbel node area.
The cylinder along short transverse be arranged the horizontal steel corbel of twice, the upper bracket being respectively closer with capital and with
Capital includes two pieces of brackets for respectively corresponding top flange and lower flange apart from farther away lower bracket, each horizontal steel corbel node area
Connecting partition.
The cylinder is bottom column, and cylinder further includes column base plate, and the bottom end of four round tube steel columns is fixedly connected on column base plate
On, column bottom deep floor is also fixedly welded between the bottom and column base plate of the round tube steel column,
The cylinder further includes that column bottom is reinforced, and the column bottom is reinforced setting up from column base plate, and setting height is not less than upper
The top flange height of bracket, column bottom are reinforced including the column concrete one that is poured into each round tube steel column, in the pipe level every
The center of plate be provided with for column concrete one pass through each pipe in horizontal baffle and be full of round tube steel column trickling hole,
The reinforcement of column bottom further includes the outside formwork in round tube steel column and the armored concrete for wrapping up round tube steel column, reinforced concrete
Soil includes column concrete two and column bottom stiffener net.
A kind of production method of four round steel pipes coupled column, making step are as follows:
Step 1 is designed the size and link position of each steel member；
Step 2 makes four round tube steel columns respectively:
Step a, cylinder is cut:
By the round tube steel column cutting between upper bracket and lower bracket, forms upper prop section and lower prop section, off-position are
At column section docking in the range of the upward 250mm-450mm in top flange of lower bracket；
Step b, horizontal baffle in the corresponding pipe of installation lower prop section:
First weld the docking of distance post section at distance farther out, partition one corresponding with the lower flange of lower bracket, then weld away from
From be closer at column section docking, partition two corresponding with the top flange of lower bracket；If lower prop section) it is arranged in more than two blocks pipes
Horizontal baffle, then i.e. according to sequentially horizontal baffle in welded pipe from the distant to the near with a distance from column section docking,
Step c, horizontal baffle in the corresponding pipe of installation upper prop section:
First welding distance post apex distance from farther out, partition three corresponding with the lower flange of upper bracket, then weld apart from capital
It is closer, partition four corresponding with the top flange of upper bracket；If interior horizontal baffle is managed in the setting of upper prop section more than two pieces,
I.e. according to the sequentially horizontal baffle in welded pipe from the distant to the near with a distance from capital, last welded post top sealing plate；
Step d, column section is docked:
One piece of connection reinforcement partition is welded in the bottom inner portion of upper prop section, the connection reinforcement partition is apart from off-position under
Distance of the bracket top flange apart from off-position is identical；
Then by upper prop section and lower prop section butt welding, splicing seams are welded on mechanical positioner, with anti-welding deformation
Round tube steel column is caused to be bent；The strong welds such as docking requirement, internal lined steel pipe pad, single groove is opened in docking two sides, conformal
It is welded at " V " type groove；
Step e, the rise of arch of curve control of whole round tube steel column:
The rise of arch of curve of round tube steel column controls in 1/1500 range of round tube steel column entire length, and is not more than 5mm, on
Bracing wire or messenger wire is taken to carry out rise of arch of curve inspection round tube steel column after the completion of column section and the splicing of lower prop section；
Step 3: horizontal baffle between four round tube steel column, that is, installing pipes of assembling；
Step 4: sealing plate of vertically putting more energy between installing pipe:
Step a, horizontal baffle between sealing plate and pipe of vertically putting more energy between pipe connects:
The position for sealing plate horizontal baffle between the corresponding pipe of bracket connecting partition of vertically putting more energy between pipe is disconnected, it is horizontal between pipe
Partition opens up double groove, back root cleaning, and the back side is lined with composition backing；Sealing plate of vertically putting more energy between the pipe of two sides opens single groove；
Gap forms four sides groove formation " W " type groove altogether and is welded；
Step b, sealing plate of vertically putting more energy between pipe is connect with round tube steel column:
Vertically put more energy between pipe sealing plate and round tube steel column junction using single groove, the back side is welded with connection pad lath, groove
Form is identical as the interior groove type of horizontal baffle is managed；First by welded gasket lath, spot welding is secured on round tube steel column, then again into
It vertically puts more energy between row pipe the welding of sealing plate and round tube steel column；
Step 5: the top end face of cylinder carries out end mill using milling machine, guarantee plane verticality.
In the step 2, the installation method for managing interior horizontal baffle is as follows:
Step f, the surrounding edge for managing interior horizontal baffle open the internal partition groove of single side；
Step g, composition backing are circular ring shape flat bar, are divided into 2/3 week composition backing and 1/3 week composition backing；
Step h, by 2/3 week composition backing, spot welding was connected on the design position of round tube steel column inner wall, then welded 1/3 week
Connection pad plate point is welded in the back surface of horizontal baffle corresponding position in pipe, guarantees to manage interior horizontal baffle edge and 1/3 week welded gasket
Edges of boards edge allowance weld gap, the weld gap namely in managing between the edge of horizontal baffle and the edge of composition backing away from
From；
Step i, when placing horizontal baffle in managing, rotation manage in horizontal baffle be aligned 1/3 week composition backing on the downside of it and
2/3 week composition backing makes the two piece together a complete circle, then again by horizontal baffle spot welding in 2/3 week composition backing and pipe
Connection；
Step j will use shutout backstep welding complete solder between horizontal baffle in pipe and round tube steel column inner wall；
Step k is done after the completion of managing interior horizontal baffle erection welding in the corresponding position of round tube steel column outer wall convenient for subsequent water
The position mark of flat steel corbel assembly.
The installation method of the step 3 is as follows:
Step a, horizontal moulding bed positioning, levelling through level meter, two sides set lever；
Step b, the round tube steel column of lower part two is placed on horizontal moulding bed, pay attention to the distance between round tube steel column with wait connect
Pipe between horizontal baffle position it is corresponding, and draw round tube center line, the fixed round tube steel column of spot welding prevents from moving；
Step c, double groove i.e. external partition groove, back root cleaning are opened up between pipe at the arc notch of horizontal baffle；
Step d, the horizontal baffle between the upside of two round tube steel columns assembly pipe, the arc of lower part two of horizontal baffle between pipe
Notch respectively corresponds two round tube steel columns, and horizontal baffle between round tube steel column and pipe is welded and checks size；
Step e, two, top round tube steel column positions on horizontal moulding bed；
Step f, two, top round tube steel column positions on horizontal baffle between pipe and carries out steel column overall dimensions review, then
The arc notch of horizontal baffle between remaining pipe is respectively corresponded into two, top round tube steel column, by level between round tube steel column and pipe every
Plate welds and checks size；
Assembly is aided with jack progress, guarantees section diagonal-size, when installation between pipe between horizontal baffle and round tube steel column
It using angle square or hangs and carries out degree control by the way of vertical line, guarantee that horizontal baffle is perpendicular to the central axes of round tube steel column between pipe.
In the step 2, upper prop section and lower prop section guarantee that the round tube longitudinal joint of different column sections is placed in inside and outside cylinder when welding
It is not ipsilateral.
Step 6 installs column base plate:
Center line and diagonal line are marked on column base plate and round tube steel column, column base plate is vertical with round tube steel column central axes, column
Angle square is used when bottom plate is installed or hangs vertical line row degree control；
The junction of column base plate and round tube steel column, round tube steel column use outer groove type, and the back side adds composition backing；When welding
Diagonal two round tube steel columns are first welded, then weld other diagonal two round tube steel columns, avoid welding deformation；
Step 7, mounting post bottom deep floor:
Between column base plate and round tube steel column, around one week welded post bottom deep floor of round tube steel column；
Step 8, construction column bottom are reinforced.
The work progress of the step 8 is as follows:
Step a reinforces weld stud on the round tube steel column in range at column bottom, vertical between the pipe that column bottom is reinforced in range
It puts more energy into and welds the reinforcement connecting plate of the vertical plate on sealing plate；
Step b pours column concrete one in round tube steel column；
Step c, binds column bottom stiffener net in the range of column bottom is reinforced, and column bottom stiffener net includes vertical muscle, hoop
Muscle and tension rib, on reinforcing connecting plate, the other end is connect one end two-sided welding of the tension rib with stirrup；
Step d installs the template of column bottom reinforcement, then pours column concrete two.
Compared with prior art the invention has the characteristics that and the utility model has the advantages that
The reinforcing bar of coupled column of the present invention is assembled using four reinforced concrete columns, and reinforced concrete column is arranged in the inside in bracket node area
Horizontal baffle guarantees the stress in node area in managing, and is attached between reinforced concrete column using horizontal baffle between pipe, while by between pipe
Horizontal baffle between each pipe is linked together by sealing plate of vertically putting more energy into, and not only reinforces the integrated connection to steel pipe, also in capping pipe
Portion keeps steel column overall appearance more attractive.Sealing plate is vertically put more energy between pipe also while being used as the side template for the column concrete being perfused between pipe.
Entire coupled column force design is reasonable, can satisfy the architecture structure form of Various Complex.
The structure of column bottom reinforcement has also been devised coupled column of the invention in bottom column, using in pouring concrete within steel pipe
The also construction reinforced bar concrete outside pipe simultaneously adopts various measures and guarantees the structure safety at column bottom.
It is unsound that the production method of coupled column of the present invention solves traditional welding production technology, frequently results in weldquality
Not up to standard, the larger problem of hidden danger of quality reasonably solves in pipe horizontal baffle between the assembly and welding, pipe of horizontal baffle
Assembly and welding, the soldering of horizontal baffle between sealing plate and pipe of vertically putting more energy between pipe, the processing of column base plate, column section splicing and vertical
Stitch the welding quality that position processing guarantees coupled column.
The production method of coupled column of the present invention, by reasonably being optimized to structure member welding sequence, to assembly and welding
The strict control of sequence has taken into account the feasibility of workshop practical operation under the premise of guaranteeing component quality；Assemble sequence,
Internal welding, groove type, longitudinal joint position etc. have summed up feasible technological measure and scientific and reasonable solution, have
It ensure that member profile size to effect, improve the total quality of component, and provide very well to the production of later similar component
Advisory opinion.
Detailed description of the invention
The present invention will be further described in detail with reference to the accompanying drawing.
Fig. 1 is the structural schematic diagram of index bed column of the present invention.
Fig. 2 is the partial enlarged view of upper prop section and lower prop section off-position.
Fig. 3 is the schematic diagram of the section structure of the position A-A in Fig. 2.
Fig. 4 is the schematic diagram of the section structure of the position B-B in Fig. 2.
Fig. 5 is the structural representation that 2/3 week composition backing of step h in step 2 in construction method is connect with round tube steel column
Figure.
Fig. 6 is that 1/3 week composition backing of step h shows with the structure that interior horizontal baffle is connect is managed in step 2 in construction method
It is intended to.
When Fig. 7 is that horizontal baffle and round tube steel column are installed also unwelded in step i pipe in step 2 in construction method
Plate between structural schematic diagram.
Fig. 8 is when step d upper prop section and lower prop section abutting joint complete also unwelded in step 2 in construction method between plate
Structural schematic diagram.
Fig. 9 is that the structure that two round tube steel columns are installed on horizontal moulding bed on the downside of step b in step 3 in construction method is shown
It is intended to.
Figure 10 is the structural representation that horizontal baffle is installed on horizontal moulding bed between step d pipe in step 3 in construction method
Figure.
When Figure 11 is that horizontal baffle and round tube steel column are installed also unwelded between step c pipe in step 3 in construction method
Plate between structural schematic diagram.
Figure 12 is that structural schematic diagram is completed in step 3 construction in construction method.
Figure 13 is the structural schematic diagram of bottom column of the present invention.
Figure 14 is C-C the schematic diagram of the section structure in Figure 13.
Appended drawing reference: bracket under the horizontal steel corbel of 1- column base plate, 2-, the upper bracket of 21-, 22-, 3- round tube steel column,
31- upper prop section, 32- lower prop section, 4- bracket connecting partition, 41- partition one, 42- partition two, 43- partition three, 44- every
It vertically puts more energy between horizontal baffle, 71- arc notch, 8- pipe between plate four, 5- connection reinforcement partition, the capital 6- sealing plate, 7- pipe
Sealing plate, 9- column concrete one, 10- trickling hole, 11- column concrete two, 12- column bottom stiffener net, 121- indulge muscle,
122- stirrup, 123- tension rib, 13- composition backing, 131-2/3 weeks composition backing, 132-1/3 weeks composition backing, 14-
The horizontal moulding bed of weld gap, 15-, 16- round tube longitudinal joint, 17- off-position, 18- column bottom deep floor, 19- peg,
20- reinforces connecting plate, 23- " W " type groove, 24- " V " type groove, 25- inner lining steel pipe pad, 26- internal partition groove, 27-
External partition groove.
Specific embodiment
Embodiment is shown in Figure 1, a kind of four round steel pipe coupled columns, including cylinder, and the cylinder is index bed column, described
The outer wall of cylinder is fixed with the horizontal steel corbel 2 for beam connection, and the cylinder includes the identical circle of four sizes disposed in parallel
Pipe steel column 3, four round tube steel columns are equidistantly spaced around the central axes of cylinder.
It is shown in Figure 1, be welded on the inner wall of the round tube steel column 3 along round tube steel column 3 short transverse interval setting,
Horizontal baffle in one group of adaptable round tube of the internal diameter of outer diameter and round tube steel column, is set in the pipe in four round tube steel columns 3
The position of horizontal baffle setting and number respectively correspond identical.
Referring to shown in Fig. 1-2, horizontal baffle includes bracket connecting partition 4, connection reinforcement partition 5 and capital envelope in the pipe
Plate 6, the bracket connecting partition 4 are arranged in horizontal steel corbel node area, and the connection reinforcement partition 5 is arranged in horizontal steel ox
Outside leg node area.Bracket connecting partition 4 at least needs to be arranged in a one-to-one correspondence with the upper lower flange of each bracket, can also be according to need
Bracket connecting partition to be added in the position on the horizontal steel corbel node area non-corresponding edge of a wing to guarantee stress.
Ginseng as shown in figure 1 to 3, is welded between the outer wall of the round tube steel column 3 along the short transverse interval of round tube steel column 3
Horizontal baffle 7 between one group of pipe being arranged, horizontal baffle 7 is the square bar for the arc notch 71 that four corners have between the pipe
Plate, the virtual angle point of four of the square plate are overlapped with the cross section center of circle of four round tube steel columns respectively, the arc notch
71 size is adapted with the outer diameter of four round tube steel columns 3 respectively and welds along its outer wall surface.
A pair inside and outside the setting position on height of column direction of horizontal baffle 7 between horizontal baffle and pipe in the pipe
It answers.
Referring to shown in Fig. 1-4, being fixedly connected between the pipe contour with cylinder sealing plate of vertically putting more energy between the round tube steel column 3
8, sealing plate 8 of vertically putting more energy between the pipe is respectively set together in four sides of cylinder, the interior of sealing plate 8 of vertically putting more energy between every deferent
Side surface is sequentially connected with the end face outside of 7 the same side of horizontal baffle between each pipe, the left and right two for sealing plate 8 of vertically putting more energy between every deferent
It is welded respectively with the outer wall of adjacent round tube steel column 3 a end face.
It is shown in Figure 1, cylinder described in the present embodiment along short transverse be arranged the horizontal steel corbel 2 of twice, respectively with
Upper bracket 21 that capital is closer and with capital apart from farther away lower bracket 22, upper bracket 21 is equipped with two, two upper brackets
In different height, therefore it is provided with four bracket connecting partitions 4 accordingly, lower bracket is equipped with four, four lower brackets
It is respectively positioned in the same height, therefore is provided with twice bracket connecting partition 4 accordingly.
The production method of this four round steel pipes coupled column, making step are as follows:
Step 1 is designed the size and link position of each steel member.
The weld seam is required to as full penetration first-order weld, 100% Ultrasonic Nondestructive of execution, it is necessary in each process section
Spot welding is completed and after non-destructive testing qualification, then carries out lower step process construction.
Step 2 makes four round tube steel columns respectively:
The inner space of single round tube steel column is narrow, and the corresponding bracket connecting partition depth of upper bracket is shallower, can be direct
Shutout backstep welding is taken, should be noted that vented exhaust in managing during welding equipment.The corresponding pipe internal partition depth of lower bracket is deeper, due into
It is deeper, and internal operation is narrow, difficulty of construction increases, and will significantly reduce the qualification rate of welding quality, generates to component quality
Adverse effect.And worker's welding in pipe, round tube has been blocked substantially, the interior welds flue dust generated in welding process, even if adopting
It is also difficult to that interior flue dust exclusion will be managed with exhaust fan both ends open air exhaust, had an adverse effect to construction safety.Lower bracket depth is deeper,
Therefore the mode for disconnecting round tube steel column is taken, carries out the shutout backstep welding of bracket connecting partition in off-position.Open position is selected in
Within the scope of the upward 250mm-450mm in lower layer's bracket upper surface.This position disconnects, that is, is convenient to the shutout backstep welding of pipe internal partition, again
Can by means of in the pipe of gap horizontal baffle control stitching portion round tube circularity, prevent open position due to stress release cause it is ellipse
Circle deformation.
Step a, cylinder is cut:
Referring to shown in Fig. 1-2, the round tube steel column between upper bracket 21 and lower bracket 22 is cut off, forms upper prop section 31
With lower prop section 32, off-position 17 is to be located at the range of the upward a=250mm-450mm in top flange of lower bracket 22 at the docking of column section
It is interior, it can be determined according to length of material.
Step b, horizontal baffle in the corresponding pipe of installation lower prop section:
Referring to shown in Fig. 1-2, first weld at the docking of distance post section distance farther out, it is corresponding with the lower flange of lower bracket 22 every
Then plate 1 is closer, partition 2 42 corresponding with the top flange of lower bracket 22 at welding distance post section docking；Under if
The setting of column section 32 managed more than two pieces in horizontal baffles, then i.e. according to sequentially welded pipe from the distant to the near with a distance from column section docking
Interior horizontal baffle.
Step c, horizontal baffle in the corresponding pipe of installation upper prop section:
Referring to shown in Fig. 1-2, first weld distance post apex distance from farther out, partition three corresponding with the lower flange of upper bracket 21
43, then weld distance post top be closer, partition 4 44 corresponding with the top flange of upper bracket 21；If upper prop section 31 is arranged
Horizontal baffles in being managed more than two pieces, then i.e. according to the sequentially horizontal baffle in welded pipe from the distant to the near with a distance from capital, finally
Welded post top sealing plate 6.
Step d, column section is docked:
Referring to shown in Fig. 1-2, weld one piece of connection reinforcement partition 5 in the bottom inner portion of upper prop section 31, the connection reinforcement every
Distance of the plate 5 apart from off-position with lower bracket top flange apart from off-position is identical.On the connection reinforcement partition 5 and lower bracket
The corresponding bracket connecting partition 4 in the edge of a wing is horizontal baffle in two deferents for control stitching portion round tube circularity.
Shown in Figure 8, then by 32 butt welding of upper prop section 31 and lower prop section, splicing seams should carry out on mechanical positioner
Welding causes round tube steel column to be bent with anti-welding deformation；The strong welds such as docking requirement, internal lined steel pipe pad 25, docking two
Single groove is opened in side, forms " V " type groove 24 altogether and is welded.
It is shown in Figure 3, cross crotch is avoided the occurrence of when docking, in the step 2, when upper prop section and lower prop section weld
It is not ipsilateral inside and outside cylinder to guarantee that the round tube longitudinal joint of different column sections is placed in.Such as the round tube longitudinal joint 16 of lower prop section is placed in cylinder
Side, the round tube longitudinal joint 16 of upper prop section can be placed on the outside of cylinder；If upper prop section or lower prop section are spliced to form by shorter unit,
Then round tube longitudinal joint successively by separating outward on the inside of cylinder.
Step e, the rise of arch of curve control of whole round tube steel column:
The rise of arch of curve of round tube steel column controls in 1/1500 range of round tube steel column entire length, and is not more than 5mm, on
Bracing wire or messenger wire is taken to carry out rise of arch of curve inspection round tube steel column after the completion of column section and the splicing of lower prop section.
In step 2, the installation method for managing interior horizontal baffle is as follows:
Step f, shown in Figure 7, it is 45 degree of slopes that the surrounding edge for managing interior horizontal baffle, which opens the internal partition groove 26 of single side,
Mouthful.
Step g, referring to shown in Fig. 5-6, composition backing 13 is circular ring shape flat bar, is divided into 2/3 week composition backing 131
With 1/3 week composition backing 132.
Step h, shown in Figure 5, by 2/3 week composition backing 131, spot welding connected on the design position of round tube steel column inner wall
It connects, it is shown in Figure 6, then by 1/3 week 132 points of composition backing back surface for being welded in horizontal baffle corresponding position in pipe, protect
Card manages interior horizontal baffle edge and 1/3 week 132 edge allowance weld gap 14 of composition backing, water in the weld gap 14 namely pipe
The edge of flat partition board and the distance between the edge of composition backing 13.In the present embodiment, weld gap b is 6mm, circular ring shape flat bar
Using with a thickness of 6mm, overall diameter 30mm.
Step i, when placing horizontal baffle in managing, horizontal baffle is aligned 1/3 week composition backing 132 on the downside of it in rotation pipe
With 2/3 week composition backing 131, the two is made to piece together a complete circle, it then again will 2/3 week composition backing 131 and the interior level of pipe
Partition spot welding connection.It is convenient for the push-in assembly of partition in this way, does not need cushion block it is ensured that the fit-up gap of 6mm requires.
Step j will use shutout backstep welding complete solder between 3 inner wall of horizontal baffle in pipe and round tube steel column.
Step k is done after the completion of managing interior horizontal baffle erection welding in the corresponding position of round tube steel column outer wall convenient for subsequent water
The position mark of flat steel corbel assembly.
Step 3: horizontal baffle between four round tube steel column, that is, installing pipes of assembling.
Spacing between round tube steel column is smaller, and welding operating space is limited, and level weld seam requirement is full penetration first-order weld, it is necessary to
Reasonable assemble sequence is worked out, to reduce the confined space to the limitation of constructing operation, while answering strict control assembly precision, is protected
Demonstrate,prove steel column global sections diagonal-size, it is ensured that the smoothly installation of steel column scene.
Installation method is as follows:
Step a, horizontal moulding bed 15 positions, and levelling through level meter, two sides set lever, to guarantee construction safety.
Step b, shown in Figure 9, the round tube steel column 3 of lower part two is placed on horizontal moulding bed, is paid attention between round tube steel column
Distance it is corresponding with the position of horizontal baffle between pipe to be connected, and draw round tube center line, the fixed round tube steel column of spot welding prevents
It is mobile.
Step c, shown in Figure 10, double groove i.e. external partition slope is opened up between pipe at the arc notch 71 of horizontal baffle 7
The slope angle of mouth 27, back root cleaning, double groove is different, and upper groove is 45 degree, and lower groove is 60 degree.
Step d, shown in Figure 11, the horizontal baffle 7 between the upside of two round tube steel columns 3 assembly pipe, between pipe level every
The arc notch 71 of lower part two of plate 7 respectively corresponds two round tube steel columns 3, simultaneously by the welding of horizontal baffle 7 between round tube steel column 3 and pipe
Check size.After the weld seam of horizontal baffle and lower circular pipe steel column will complete bottoming together between pipe, then carry out two, top round tube
The assembly of steel column, to prevent sliding.
Step e, two, top round tube steel column 3 positions on horizontal moulding bed 15.
Step f, two, top round tube steel column 3 positions on horizontal baffle 7 between pipe and carries out steel column overall dimensions review, so
The arc notch 71 of horizontal baffle between remaining pipe is respectively corresponded into two, top round tube steel column 3 afterwards, it will be between round tube steel column 3 and pipe
Horizontal baffle 7 welds and checks size.
Since the assembly of horizontal baffle between pipe is related to four round tube steel column entire combinations, the height of assembly precision is directly affected
The quality of component entirety, so to control following key point；Assembly is aided with jack progress, guarantees section diagonal-size,
It using angle square or hangs between horizontal baffle and round tube steel column between pipe when installation and carries out degree control by the way of vertical line, guarantee between pipe
Horizontal baffle sets support stationary barrier perpendicular to the central axes of round tube steel column when necessary, when to prevent subsequent assembly round tube steel column, makes
It topples at partition.It installs shown in Figure 12.
Step 4: sealing plate of vertically putting more energy between installing pipe:
Step a, horizontal baffle between sealing plate and pipe of vertically putting more energy between pipe connects:
Such as will vertically put more energy between pipe after sealing plate integrally assembles and weld again, then level of vertically putting more energy between pipe between sealing plate and pipe every
Plate will be unable to welding, take following measures to handle the position:
Referring to fig. 2 and shown in Fig. 4, will vertically put more energy into the horizontal baffle 7 between the corresponding pipe of bracket connecting partition of sealing plate 8 between pipe
Position disconnect, horizontal baffle 7 opens up double groove, back root cleaning between pipe, and the back side is lined with composition backing；It is vertical between the pipe of two sides
Sealing plate 8 of putting more energy into opens single groove；Gap forms four sides groove formation " W " type groove 23 altogether and is welded, and prevents two sides from welding
There is lamellar tearing.
Step b, sealing plate of vertically putting more energy between pipe is connect with round tube steel column:
Vertically put more energy between pipe sealing plate 8 and round tube steel column 3 junction using single groove, the back side is welded with connection pad lath, slope
Degree of lip-rounding formula is identical as the interior groove type of horizontal baffle is managed；First by welded gasket lath, spot welding is secured on round tube steel column, then again
Vertically put more energy between pipe the welding of sealing plate and round tube steel column.
Step 5: the top end face of cylinder carries out end mill using milling machine, guarantee plane verticality.
Referring to shown in Figure 13-14, when the cylinder is bottom column, cylinder further includes column base plate 1, four round tube steel columns
Bottom end is fixedly connected on column base plate 1, is also fixedly welded with column bottom ribs between the bottom and column base plate 1 of the round tube steel column
Plate 18.
The cylinder further includes that column bottom is reinforced, and the column bottom is reinforced setting up from column base plate 1, and setting height is not less than upper
The top flange height of bracket, column bottom are reinforced including the column concrete 1 being poured into each round tube steel column 3, level in the pipe
The center of partition is provided with for column concrete 1 across horizontal baffle in each pipe and full of the trickling hole 10 of round tube steel column 3.
The reinforcement of column bottom further includes the outside formwork in round tube steel column 3 and the armored concrete for wrapping up round tube steel column 3, and reinforcing bar is mixed
Solidifying soil includes column concrete 2 11 and column bottom stiffener net 12.Armored concrete, which pours, finishes rear pillar bottom cross section as pros
Shape.
Step 6: the installation of suspension column position column base plate:
Center line and diagonal line are marked on column base plate 1 and round tube steel column, column base plate is vertical with round tube steel column central axes, column
Angle square is used when bottom plate is installed or hangs vertical line row degree control.
The junction of column base plate and round tube steel column, round tube steel column use outer groove type, and the back side adds composition backing, and groove is adopted
It is opened with self-crawling type semi auto cutting machine；Diagonal two round tube steel columns are first welded when welding, then weld other diagonal two circles
Pipe steel column, avoids welding deformation.
Step 7, mounting post bottom deep floor:
Between column base plate and round tube steel column, around one week welded post bottom deep floor 18 of round tube steel column.
Step 8, construction column bottom are reinforced, and work progress is as follows:
Step a, the column bottom are reinforced being equipped with peg 19 on round tube steel column and horizontal steel corbel in range, be added at column bottom
It vertically puts more energy between pipe in strong range and welds the reinforcement connecting plate 20 of the vertical plate on sealing plate.
Step b pours column concrete 1 in round tube steel column.
Step c, binds column bottom stiffener net 12 in the range of column bottom is reinforced, and column bottom stiffener net 12 includes vertical muscle
121 stirrups 122 and tension rib 123, in the present embodiment, stirrup 122 encloses setting together along armored concrete edge, tension rib
123 include two kinds, and a kind of outside in round tube steel column 3 is close to the outside of round tube steel column, be provided with eight in Figure 14, four is oblique
, four is elongated, and there are also a kind of one end two-sided weldings of tension rib 123 on reinforcing connecting plate 20, the other end and stirrup 122
Connection, this tension rib is between two neighboring round tube steel column.
Step d installs the template of column bottom reinforcement, then pours column concrete 2 11.
The weld seam is required to as full penetration first-order weld, 100% Ultrasonic Nondestructive of execution, it is necessary in each process section
Spot welding is completed and after passed examination, then carries out lower step process construction.
Claims (10)
1. a kind of four round steel pipe coupled columns, including cylinder, the outer wall of the cylinder are fixed with the horizontal steel corbel for beam connection
(2), it is characterised in that: the cylinder includes the identical round tube steel column (3) of four sizes disposed in parallel, four round tube steel columns around
The central axes of cylinder are equidistantly spaced,
It is welded on the inner wall of the round tube steel column (3) along the setting of the short transverse interval of round tube steel column (3), outer diameter and round tube steel
Horizontal baffle in one group of adaptable round tube of the internal diameter of column, horizontal baffle is set in the pipe being set in four round tube steel columns (3)
The position and number set respectively correspond identical；
It is welded between the outer wall of the round tube steel column (3) between the spaced one group of pipe of short transverse of round tube steel column (3)
Horizontal baffle (7), horizontal baffle (7) is the square plate for the arc notch (71) that four corners have, the side between the pipe
The virtual angle point of four of shape steel plate is overlapped with the cross section center of circle of four round tube steel columns respectively, the size of the arc notch (71)
It is adapted with the outer diameter of four round tube steel columns (3) and is welded along its outer wall surface respectively,
It is fixedly connected between the pipe contour with cylinder vertically put more energy into sealing plate (8) between the round tube steel column (3), it is vertical between the pipe
Sealing plate (8) of putting more energy into is respectively set together in four sides of cylinder, and the inner surface for sealing plate (8) of vertically putting more energy between every deferent is sequentially
The end face outside of horizontal baffle (7) the same side between each pipe is connected, the end face of left and right two for sealing plate (8) of vertically putting more energy between every deferent
It is welded respectively with the outer wall of adjacent round tube steel column (3),
Horizontal baffle (7) corresponds inside and outside the setting position on height of column direction between horizontal baffle and pipe in the pipe.
2. four round steel pipes coupled column according to claim 1, it is characterised in that: horizontal baffle includes that bracket connects in the pipe
Partition (4), connection reinforcement partition (5) and capital sealing plate (6) are connect, the bracket connecting partition (4) is arranged in horizontal steel corbel section
In point area, the connection reinforcement partition (5) is arranged outside horizontal steel corbel node area.
3. four round steel pipes coupled column according to claim 2, it is characterised in that: twice are arranged along short transverse in the cylinder
Horizontal steel corbel (2), the upper bracket (21) being respectively closer with capital and with capital apart from farther away lower bracket (22), often
A horizontal steel corbel node area includes two pieces of bracket connecting partitions (4) for respectively corresponding top flange and lower flange.
4. four round steel pipes coupled column according to claim 3, it is characterised in that: the cylinder is bottom column, and cylinder also wraps
It includes column base plate (1), the bottom end of four round tube steel columns is fixedly connected on column base plate (1), the bottom and column bottom of the round tube steel column
Column bottom deep floor (18) is also fixedly welded between plate (1),
The cylinder further includes that column bottom is reinforced, and the column bottom is reinforced setting up from column base plate (1), and setting height is not less than upper ox
The top flange height of leg, column bottom are reinforced including the column concrete one (9) being poured into each round tube steel column (3), water in the pipe
The center of flat partition board is provided with for column concrete one (9) across horizontal baffle in each pipe and full of the trickling hole of round tube steel column (3)
(10),
The reinforcement of column bottom further includes the outside formwork in round tube steel column (3) and the armored concrete for wrapping up round tube steel column (3), and reinforcing bar is mixed
Solidifying soil includes column concrete two (11) and column bottom stiffener net (12).
5. a kind of production method of four round steel pipes coupled column according to claim 4, which is characterized in that making step is such as
Under:
Step 1 is designed the size and link position of each steel member；
Step 2 makes four round tube steel columns respectively:
Step a, cylinder is cut:
Round tube steel column between upper bracket (21) and lower bracket (22) is cut off, upper prop section (31) and lower prop section are formed
(32), at off-position (17) i.e. column section docking in the range of the upward 250mm-450mm in top flange of lower bracket (22)；
Step b, horizontal baffle in the corresponding pipe of installation lower prop section:
First weld the docking of distance post section at distance farther out, partition one (41) corresponding with the lower flange of lower bracket (22), then weld
Connect be closer at distance post section docking, partition two (42) corresponding with the top flange of lower bracket (22)；If lower prop section (32)
Setting managed more than two pieces in horizontal baffles, then i.e. according to a distance from column section docking from the distant to the near sequentially in welded pipe it is horizontal
Partition,
Step c, horizontal baffle in the corresponding pipe of installation upper prop section:
First welding distance post apex distance from farther out, partition three (43) corresponding with the lower flange of upper bracket (21), then weld distance
Capital is closer, partition four (44) corresponding with the top flange of upper bracket (21)；If upper prop section (31) setting is more than two pieces
Horizontal baffle in managing, then finally welding capital according to the sequentially horizontal baffle in welded pipe from the distant to the near with a distance from capital
Sealing plate (6)；
Step d, column section is docked:
One piece of connection reinforcement partition (5), the connection reinforcement partition (5) distance cutting position are welded in the bottom inner portion of upper prop section (31)
The distance set with lower bracket top flange apart from off-position is identical；
Then by upper prop section (31) and lower prop section (32) butt welding, splicing seams are welded on mechanical positioner, to prevent welding
Deformation causes round tube steel column to be bent；One-way slope is opened in the strong welds such as docking requirement, internal lined steel pipe pad (25), docking two sides
Mouthful, " V " type groove (24) are formed altogether is welded；
Step e, the rise of arch of curve control of whole round tube steel column:
The rise of arch of curve of round tube steel column controls in 1/1500 range of round tube steel column entire length, and is not more than 5mm, upper prop section
Bracing wire or messenger wire is taken to carry out rise of arch of curve inspection round tube steel column with after the completion of the splicing of lower prop section；
Step 3: horizontal baffle between four round tube steel column, that is, installing pipes of assembling；
Step 4: sealing plate of vertically putting more energy between installing pipe:
Step a, horizontal baffle between sealing plate and pipe of vertically putting more energy between pipe connects:
The position for sealing plate (8) horizontal baffle (7) between the corresponding pipe of bracket connecting partition of vertically putting more energy between pipe is disconnected, water between pipe
Flat partition board (7) opens up double groove, back root cleaning, and the back side is lined with composition backing；Sealing plate (8) of vertically putting more energy between the pipe of two sides opens list
Face groove；Gap forms four sides groove formation " W " type groove (23) altogether and is welded；
Step b, sealing plate of vertically putting more energy between pipe is connect with round tube steel column:
It vertically puts more energy between pipe sealing plate (8) and the junction of round tube steel column (3) uses single groove, the back side is welded with connection pad lath, slope
Degree of lip-rounding formula is identical as the interior groove type of horizontal baffle is managed；First by welded gasket lath, spot welding is secured on round tube steel column, then again
Vertically put more energy between pipe the welding of sealing plate and round tube steel column；
Step 5: the top end face of cylinder carries out end mill using milling machine, guarantee plane verticality.
6. the production method of four round steel pipes coupled column according to claim 5, it is characterised in that:
In the step 2, the installation method for managing interior horizontal baffle is as follows:
Step f, the surrounding edge for managing interior horizontal baffle open the internal partition groove (26) of single side；
Step g, composition backing (13) are circular ring shape flat bar, are divided into 2/3 week composition backing (131) and 1/3 week welded gasket
Plate (132)；
Step h connects composition backing (131) spot welding on the design position of round tube steel column inner wall in 2/3 week, then by 1/3 week
Composition backing (132) point is welded in the back surface of horizontal baffle corresponding position in pipe, guarantees to manage interior horizontal baffle edge and 1/3 week
Composition backing (132) edge allowance weld gap (14), the weld gap (14) namely edge and the welding for managing interior horizontal baffle
The distance between the edge of backing plate (13)；
Step i, place manage in horizontal baffle when, rotation manage in horizontal baffle be aligned on the downside of it 1/3 week composition backing (132) and
2/3 week composition backing (131) makes the two piece together a complete circle, then again by water in 2/3 week composition backing (131) and pipe
Flat partition board spot welding connection；
Step j will use shutout backstep welding complete solder between horizontal baffle in pipe and round tube steel column (3) inner wall；
Step k is done after the completion of managing interior horizontal baffle erection welding in the corresponding position of round tube steel column outer wall convenient for subsequent horizontal steel
The position mark of bracket assembly.
7. the production method of four round steel pipes coupled column according to claim 5, it is characterised in that:
The installation method of the step 3 is as follows:
Step a, horizontal moulding bed (15) positioning, levelling through level meter, two sides set lever；
Step b, the round tube steel column (3) of lower part two is placed on horizontal moulding bed, pay attention to the distance between round tube steel column with wait connect
Pipe between horizontal baffle position it is corresponding, and draw round tube center line, the fixed round tube steel column of spot welding prevents from moving；
Step c, double groove i.e. external partition groove (27) is opened up between pipe at the arc notch (71) of horizontal baffle (7), reverse side is clear
Root；
Step d, the horizontal baffle (7) between the upside of two round tube steel columns (3) assembly pipe, the lower part two of horizontal baffle (7) between pipe
A arc notch (71) respectively corresponds two round tube steel columns (3), by horizontal baffle (7) welding and school between round tube steel column (3) and pipe
Core size；
Step e, two, top round tube steel column (3) positions on horizontal moulding bed (15)；
Step f, two, top round tube steel column (3) positions on horizontal baffle (7) between pipe and carries out steel column overall dimensions review, so
The arc notch (71) of horizontal baffle between remaining pipe is respectively corresponded into two, top round tube steel column (3) afterwards, by round tube steel column (3)
Horizontal baffle (7) welds and checks size between pipe；
Assembly is aided with jack progress, guarantees section diagonal-size, is used between horizontal baffle and round tube steel column when installation between pipe
Angle square or the mode for hanging vertical line carry out degree control, central axes of the horizontal baffle perpendicular to round tube steel column between guarantee pipe.
8. the production method of four round steel pipes coupled column according to claim 5, it is characterised in that:
In the step 2, upper prop section and lower prop section guarantee that the round tube longitudinal joint (16) of different column sections is placed in inside and outside cylinder when welding
It is not ipsilateral.
9. the production method of four round steel pipes coupled column according to claim 5, it is characterised in that:
Step 6 installs column base plate:
Center line and diagonal line are marked on column base plate (1) and round tube steel column, column base plate is vertical with round tube steel column central axes, column bottom
Angle square is used when plate is installed or hangs vertical line row degree control；
The junction of column base plate and round tube steel column, round tube steel column use outer groove type, and the back side adds composition backing；It is first welded when welding
Diagonal two round tube steel columns are connect, then weld other diagonal two round tube steel columns, avoid welding deformation；
Step 7, mounting post bottom deep floor:
Between column base plate and round tube steel column, around one week welded post bottom deep floor (18) of round tube steel column；
Step 8, construction column bottom are reinforced.
10. the production method of four round steel pipes coupled column according to claim 9, it is characterised in that: the step 8 is applied
Work process is as follows:
Step a reinforces weld stud (19) on the round tube steel column in range at column bottom, vertical between the pipe that column bottom is reinforced in range
It puts more energy into and welds the reinforcement connecting plate (20) of the vertical plate on sealing plate；
Step b pours column concrete one (9) in round tube steel column；
Step c binds column bottom stiffener net (12) in the range of column bottom is reinforced, and column bottom stiffener net (12) includes vertical muscle
(121), stirrup (122) and tension rib (123), one end two-sided welding of the tension rib (123) on reinforcing connecting plate (20),
The other end is connect with stirrup (122)；
Step d installs the template of column bottom reinforcement, then pours column concrete two (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810019580.7A CN108179839B (en) | 2018-01-09 | 2018-01-09 | Four round steel pipe coupled columns of one kind and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810019580.7A CN108179839B (en) | 2018-01-09 | 2018-01-09 | Four round steel pipe coupled columns of one kind and preparation method thereof |
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| CN108179839B true CN108179839B (en) | 2019-11-12 |
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| CN103967199A (en) * | 2014-03-31 | 2014-08-06 | 浙江杭萧钢构股份有限公司 | Steel tube bundle combined structure provided with round tube web |
| CN105926856B (en) * | 2016-06-30 | 2018-03-23 | 浙江东南网架股份有限公司 | A kind of multitube composite steel column and preparation method thereof |
| CN107035069A (en) * | 2017-06-08 | 2017-08-11 | 浙江东南网架股份有限公司 | A kind of major-diameter thick-wall steel pipe column and preparation method thereof |
| CN107268894B (en) * | 2017-07-31 | 2022-10-11 | 江苏沪宁钢机股份有限公司 | Double-round-pipe column base and manufacturing method thereof |
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