CN105926856B - A kind of multitube composite steel column and preparation method thereof - Google Patents
A kind of multitube composite steel column and preparation method thereof Download PDFInfo
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- CN105926856B CN105926856B CN201610531600.XA CN201610531600A CN105926856B CN 105926856 B CN105926856 B CN 105926856B CN 201610531600 A CN201610531600 A CN 201610531600A CN 105926856 B CN105926856 B CN 105926856B
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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
- 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
- B23K9/173—Arc welding or cutting making use of shielding gas and of a consumable electrode
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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
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/04—Tubular or hollow articles
- B23K2101/06—Tubes
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Abstract
The present invention relates to a kind of composite steel column, more particularly to a kind of multitube composite steel column and preparation method thereof, belong to field of steel structure.Including column base plate, the top of described column base plate is provided with main steel pipe component, described main steel pipe component overcoat has outer shroud dividing plate, and the top of described column base plate is provided with the small steel pipe component mutually fixed with main steel pipe component, and the bottom of described column base plate is provided with some shear keies.A kind of multitube composite steel column and preparation method thereof compact-sized, low manufacture cost, assembly precision are high.
Description
Technical field
The present invention relates to a kind of composite steel column, more particularly to a kind of multitube composite steel column and preparation method thereof, belong to steel knot
Structure field.
Background technology
Conventional combination steel column intensity is relatively low, while assembles complexity, and cost of manufacture is of a relatively high, can not meet existing need
Ask.
Chinese patent 201010265503.3, discloses a kind of composite steel column, and it includes:Upper segmented column and lower segmented column；Under described
Segmented column bottom is provided with transition connecting plate, and upper segmented column is connected by transition connecting plate with lower segmented column.Its structural behaviour does not go out relatively
Color, endurance is poor, can not be adapted to existing demand.
The content of the invention
The present invention mainly solves the deficiencies in the prior art, there is provided and a kind of compact-sized, node power transmission is clear, by
Outstanding a kind of multitube composite steel column of power performance and preparation method thereof.
The above-mentioned technical problem of the present invention is mainly what is be addressed by following technical proposals：
A kind of multitube composite steel column, including column base plate, the top of described column base plate are provided with main steel pipe component, described master
Steel pipe component overcoat has outer shroud dividing plate, and the top of described column base plate is provided with the small steel pipe component mutually fixed with main steel pipe component,
The bottom of described column base plate is provided with some shear keies；
Described main steel pipe component includes the main steel pipe of 4 interruption-like square distributions, the symmetrical distribution of one pair of which
Mutually positioned by the long connecting plate of bar shaped between main steel pipe, described outer shroud dividing plate socket-connects with main steel pipe, is provided between 4 main steel pipes interior
Connector assembly, described interior connector assembly include the steel column built-in inserted plate with the matched fixation of main outer wall of steel pipe, described steel column built-in inserted plate
Top be provided with the interpolation cross strength plate mutually fixed with main outer wall of steel pipe, pass through bar between the main steel pipe of the symmetrical distribution of another pair
The short connecting plate of shape is mutually positioned, and the short connecting plate of described bar shaped is fixed with outer shroud dividing plate；
Described small steel pipe component includes connecting plate, the outer wall of described main steel pipe, the outer wall difference of the short connecting plate of bar shaped
Provided with the connecting plate to stretch out, the outer wall of described connecting plate is provided with small steel pipe, the upper end of connecting plate and small steel pipe respectively with
Outer shroud dividing plate is fixed, and the bottom of connecting plate and small steel pipe is mutually fixed with column base plate respectively；
The shearing resistance steel pipe of distribution corresponding with small steel pipe is provided with described shear key；
The outer wall of described small steel pipe is respectively equipped with equally distributed peg with the outer wall of shearing resistance steel pipe.
Preferably, the top of described main steel pipe is provided with Embedded shrouding, the inner on described main steel pipe top is set
There is the fixed plate upwardly extended, the long connecting plate of described bar shaped, interpolation cross strength plate are mutually fixed with fixed plate respectively, described bar
The top of the long connecting plate of shape, the top of the short connecting plate of bar shaped and the top of interpolation cross strength plate are in same level EDS maps.
Preferably, described outer shroud dividing plate is located at the upper end of main steel pipe, the specification of described column base plate and outer shroud dividing plate
Equal, described steel column built-in inserted plate is with being respectively equipped with defoaming hole in outer shroud dividing plate.
Preferably, described main steel pipe outer end wall is provided with three connecting plates being distributed in a uniform distribution, described bar
The short connecting plate of shape is distributed with the perpendicular shape of connecting plate, and described shear key is distributed with small steel pipe, the number of described small steel pipe
Amount is equal with the quantity of shearing resistance steel pipe.
Preferably, the outer wall on described main steel pipe top is provided with lifting ear plate.
Preferably, the thickness of slab of described connecting plate is 36mm, the long connecting plate of described bar shaped and the short connecting plate of bar shaped
Thickness of slab is respectively 50mm.
A kind of preparation method of multitube composite steel column, is carried out according to the following steps：
(1), main steel pipe assembling：
1st, check numbering, material, the information of specification of 4 main steel pipes, it is fixed to assembling position line, control main steel pipe with
The perpendicularity of column base plate, carry out positioning welding and fix；
2nd, main steel-pipe welding uses CO2Gas shielded arc welding, antisymmetric main steel pipe preferably weld simultaneously, and welding uses CO2Gas
Flux-cored wire welding is protected, welding condition is shown in Table 1.1；Postwelding local heating corrects column base plate, and local heating temperature is preferably controlled
For system at 750 DEG C~850 DEG C, highest must not exceed 900 DEG C；Ensure column base plate flatness, meet design tolerance≤
1.0mm；The perpendicularity for detecting main steel pipe and column base plate is not more than 3.0mm；
The CO2 gas shielded arc welding welding conditions of table 1.1
(2), main steel pipe and the long connecting plate of bar shaped assemble：
1st, the long connecting plate of bar shaped is hung on into assembling jig frame, the long connecting plate groove of bar shaped assembles towards main steel pipe outside, alignment
Position line, the linearity and the perpendicularity of the long connecting plate of bar shaped and column base plate for controlling the long connecting plate of bar shaped are not more than 3.0mm, then
Positioning welding is carried out to fix；
2nd, the long connecting plate of bar shaped and main steel pipe seam groove type are unilateral V-arrangement, and level weld seam requirement is full penetration, and welding uses
CO2Gas shielded arc welding, the long side weld of connecting plate two of bar shaped are symmetrically welded simultaneously；
3rd, to prevent welding deformation, weld seam is segmented skip welding and multilayer multiple tracks welding weld seam flakiness ratio cannot be greater than 22；Control
Temperature is more than preheating temperature between per pass weld seam road, but less than 230 DEG C.
(3), outer shroud dividing plate assembles：
1st, outer shroud dividing plate is inserted in from the top of main steel pipe, alignment assembling position line, control outer shroud dividing plate hangs down with main steel pipe
Straight degree and the depth of parallelism of outer shroud dividing plate and column base plate, outer shroud dividing plate cannot be greater than 0.05mm with the column base plate depth of parallelism；Then carry out
Positioning welding is fixed；
2nd, outer shroud dividing plate welding uses CO2Gas shielded arc welding, take even numbers worker's symmetrical rotary welding, postwelding local heating
Correct outer shroud dividing plate；
(4), interpolation cross strength plate assembles：
1st, first carry out interpolation cross strength plate and steel column internal partition group is welded, ensure the weldering of interpolation cross strength plate and steel column internal partition
Welding is stitched to complete；
When interpolation cross strength plate welds with steel column internal partition group, it should be ensured that organize the interpolation cross strength plate of postwelding and main steel pipe seam
Groove towards the long connecting side of rear cover strip, steel column internal partition and outer shroud dividing plate weld groove are towards column base plate；
2nd, the interpolation cross strength plate positioned in alignment line of group postwelding is assembled, first welds the connection of interpolation cross strength plate and main steel pipe
Weld seam, then weld the attachment weld of steel column internal partition and outer shroud dividing plate；
Above-mentioned weld seam welding uses CO2 gas shielded flux cored wire weldings, and welding condition is shown in Table 1.1；
(5), main steel pipe and the short connecting plate of bar shaped assemble：
1st, the short connecting plate of bar shaped is hung on into assembled component, the short connecting plate groove of bar shaped assembles towards main steel pipe outside, alignment
Position line, carries out the assembling of each bar line short chain fishplate bar 7 successively, control the short connecting plate of bar shaped the depth of parallelism and the short connecting plate of bar shaped with
The perpendicularity of column base plate, then carry out positioning welding and fix；The depth of parallelism cannot be greater than 0.05mm, and perpendicularity cannot be greater than 3.0mm；
2nd, the short connecting plate of bar shaped and main steel pipe seam groove type are unilateral V-arrangement, and level weld seam requirement is full penetration, and welding uses
CO2Gas shielded arc welding, the short side weld of connecting plate two of bar shaped are symmetrically welded simultaneously；
3rd, to prevent welding deformation, weld seam segmentation skip welding and multilayer multiple tracks welding, temperature is more than between controlling per pass weld seam road
Preheating temperature, but less than 230 DEG C；
(6), small steel pipe and connecting plate assembling：
1st, first positioned in alignment line assembles four sides and is connected with the long connecting plate of bar shaped, the connecting plate in centre position, control connection
The perpendicularity of plate, is welded and fixed；
2nd, centered on the connecting plate in centre position, remaining connecting plate is assembled to both sides, during welding, symmetric position weld seam
Weld simultaneously；
(7), small steel pipe assembling：
1st, with connecting plate group weldering order；First positioned in alignment line assembles the small steel pipe in four side centre positions, is welded and fixed；
2 and then centered on the small steel pipe in centre position, assemble remaining small steel pipe to both sides.Carry out small steel pipe welding equipment
Connect, first weldering and connecting plate attachment weld, CO2 gas shield medicines are taken in then weldering and outer shroud dividing plate and bottom plate attachment weld, welding
Core welding wire welding, welding condition are shown in Table 1.1；Using local heating orthosis, correcting the flatness of column base plate should meet now
Tolerance≤1.0mm as defined in row national acceptance specification；
(8), post bottom shear key assembles：
Post bottom shear key is corresponding with the small steel pipe of main steel pipe periphery, and shear key assembling is opened from the centre position of four sides
Begin, symmetrically carried out to both sides；
(9), peg and lifting ear plate assemble：
1st, after the detection of steel column total quality is qualified, according to the peg location drawing, welding of peg is carried out from inside to outside；
2nd, the peg on main steel pipe is first welded, secondly the peg on the small steel pipe of welding.
Effect and advantage：
1st, node power transmission is clear, stress performance is good：
2nd, field operation is strong：
The present invention provides a kind of multitube composite steel column and preparation method thereof, compact-sized, low manufacture cost, assembly precision
It is high.
Brief description of the drawings
Fig. 1 is the dimensional structure diagram of the present invention；
Fig. 2 is dimensional structure diagram of the present invention without peg；
Fig. 3 is the structural representation of installation step in the present invention (one)；
Fig. 4 is the structural representation of installation step in the present invention (two)；
Fig. 5 is installation step in the present invention (three) structural representation；
Fig. 6 is installation step in the present invention (four) structural representation；
Fig. 7 is the structural representation of interpolation cross strength plate and steel column built-in inserted plate in the present invention；
Fig. 8 is installation step in the present invention (five) structural representation；
Fig. 9 is installation step in the present invention (six) structural representation；
Figure 10 is installation step in the present invention (seven) structural representation；
Figure 11 is installation step in the present invention (eight) structural representation.
Embodiment
Below by embodiment, and with reference to accompanying drawing, technical scheme is described in further detail.
Embodiment 1：As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9, Figure 10 and Figure 11, a kind of multitube
Composite steel column, including column base plate 1, the top of described column base plate 1 are provided with main steel pipe component, and described main steel pipe component overcoat has
Outer shroud dividing plate 2, the top of described column base plate 1 are provided with the small steel pipe component mutually fixed with main steel pipe component, described column base plate 1
Bottom be provided with some shear keies 3；
Described main steel pipe component includes the main steel pipe 4 of 4 interruption-like square distributions, the symmetrical distribution of one pair of which
Positioned between main steel pipe 4 by the long phase of connecting plate 5 of bar shaped, described outer shroud dividing plate 2 socket-connects with main steel pipe 4, between 4 main steel pipes 4
Provided with interior connector assembly, described interior connector assembly includes the steel column built-in inserted plate 6 with the matched fixation of the main outer wall of steel pipe 4, described steel
The top of post built-in inserted plate 6 is provided with the interpolation cross strength plate 7 mutually fixed with the main outer wall of steel pipe 4,
Positioned between the main steel pipe 4 of the symmetrical distribution of another pair by the short phase of connecting plate 8 of bar shaped, the short connection of described bar shaped
Plate 8 is fixed with outer shroud dividing plate 2；
Described small steel pipe component includes connecting plate 9, the outer wall of described main steel pipe 4, the outer wall point of the short connecting plate 8 of bar shaped
The connecting plate 9 that She You do not stretch out, the outer wall of described connecting plate 9 are provided with small steel pipe 10, and connecting plate 9 is upper with small steel pipe 10
End is fixed with outer shroud dividing plate 2 respectively, and the bottom of connecting plate 9 and small steel pipe 10 is fixed with the phase of column base plate 1 respectively；
The shearing resistance steel pipe 11 with small 10 corresponding distribution of steel pipe is provided with described shear key 3；
The outer wall of described small steel pipe 10 is respectively equipped with equally distributed peg 12 with the outer wall of shearing resistance steel pipe 11.
The top of described main steel pipe 4 is provided with Embedded shrouding 13, and the inner on the described top of main steel pipe 4 is provided with upwards
The fixed plate 14 of extension, the long connecting plate 5 of described bar shaped, interpolation cross strength plate 7 are fixed with the phase of fixed plate 14 respectively, described bar
The top of the long connecting plate 5 of shape, the top of the short connecting plate 8 of bar shaped and the top of interpolation cross strength plate 7 are in same level EDS maps.
Described outer shroud dividing plate 2 is located at the upper end of main steel pipe 4, and described column base plate 1 is equal with the specification of outer shroud dividing plate 2,
Described steel column built-in inserted plate 6 is with being respectively equipped with defoaming hole 15 in outer shroud dividing plate 2.
The described outer end wall of main steel pipe 4 is provided with three connecting plates 9 being distributed in a uniform distribution, the short connection of described bar shaped
Plate 8 is distributed with 9 perpendicular shape of connecting plate, and described shear key 3 is distributed with small steel pipe 10, the quantity of described small steel pipe 10
It is equal with the quantity of shearing resistance steel pipe 11.
The outer wall on the described top of main steel pipe 4 is provided with lifting ear plate 16.
The thickness of slab of described connecting plate 9 is 36mm, and the thickness of slab of the long connecting plate 5 of described bar shaped and the short connecting plate 8 of bar shaped divides
Wei not 50mm.
A kind of preparation method of multitube composite steel column, is carried out according to the following steps：
(1), main steel pipe assembling：
1st, check numbering, material, the information of specification of 4 main steel pipes, it is fixed to assembling position line, control main steel pipe with
The perpendicularity of column base plate, carry out positioning welding and fix；
2nd, main steel-pipe welding uses CO2Gas shielded arc welding, antisymmetric main steel pipe preferably weld simultaneously, and welding uses CO2Gas
Flux-cored wire welding is protected, welding condition is shown in Table 1.1；Postwelding local heating corrects column base plate, and local heating temperature is preferably controlled
For system at 750 DEG C~850 DEG C, highest must not exceed 900 DEG C；Ensure column base plate flatness, meet design tolerance≤
1.0mm；The perpendicularity for detecting main steel pipe and column base plate is not more than 3.0mm；
The CO2 gas shielded arc welding welding conditions of table 1.1
(2), main steel pipe and the long connecting plate of bar shaped assemble：
1st, the long connecting plate of bar shaped is hung on into assembling jig frame, the long connecting plate groove of bar shaped assembles towards main steel pipe outside, alignment
Position line, the linearity and the perpendicularity of the long connecting plate of bar shaped and column base plate for controlling the long connecting plate of bar shaped are not more than 3.0mm, then
Positioning welding is carried out to fix；
2nd, the long connecting plate of bar shaped and main steel pipe seam groove type are unilateral V-arrangement, and level weld seam requirement is full penetration, and welding uses
CO2Gas shielded arc welding, the long side weld of connecting plate two of bar shaped are symmetrically welded simultaneously；
3rd, to prevent welding deformation, weld seam is segmented skip welding and multilayer multiple tracks welding weld seam flakiness ratio cannot be greater than 22；Control
Temperature is more than preheating temperature between per pass weld seam road, but less than 230 DEG C.
(3), outer shroud dividing plate assembles：
1st, outer shroud dividing plate is inserted in from the top of main steel pipe, alignment assembling position line, control outer shroud dividing plate hangs down with main steel pipe
Straight degree and the depth of parallelism of outer shroud dividing plate and column base plate, outer shroud dividing plate cannot be greater than 0.05mm with the column base plate depth of parallelism；Then carry out
Positioning welding is fixed；
2nd, outer shroud dividing plate welding uses CO2Gas shielded arc welding, take even numbers worker's symmetrical rotary welding, postwelding local heating
Correct outer shroud dividing plate；
(4), interpolation cross strength plate assembles：
1st, first carry out interpolation cross strength plate and steel column internal partition group is welded, ensure the weldering of interpolation cross strength plate and steel column internal partition
Welding is stitched to complete；
When interpolation cross strength plate welds with steel column internal partition group, it should be ensured that organize the interpolation cross strength plate of postwelding and main steel pipe seam
Groove towards the long connecting side of rear cover strip, steel column internal partition and outer shroud dividing plate weld groove are towards column base plate；
2nd, the interpolation cross strength plate positioned in alignment line of group postwelding is assembled, first welds the connection of interpolation cross strength plate and main steel pipe
Weld seam, then weld the attachment weld of steel column internal partition and outer shroud dividing plate；
Above-mentioned weld seam welding uses CO2 gas shielded flux cored wire weldings, and welding condition is shown in Table 1.1；
(5), main steel pipe and the short connecting plate of bar shaped assemble：
1st, the short connecting plate of bar shaped is hung on into assembled component, the short connecting plate groove of bar shaped assembles towards main steel pipe outside, alignment
Position line, carries out the assembling of each bar line short chain fishplate bar 7 successively, control the short connecting plate of bar shaped the depth of parallelism and the short connecting plate of bar shaped with
The perpendicularity of column base plate, then carry out positioning welding and fix；The depth of parallelism cannot be greater than 0.05mm, and perpendicularity cannot be greater than 3.0mm；
2nd, the short connecting plate of bar shaped and main steel pipe seam groove type are unilateral V-arrangement, and level weld seam requirement is full penetration, and welding uses
CO2Gas shielded arc welding, the short side weld of connecting plate two of bar shaped are symmetrically welded simultaneously；
3rd, to prevent welding deformation, weld seam segmentation skip welding and multilayer multiple tracks welding, temperature is more than between controlling per pass weld seam road
Preheating temperature, but less than 230 DEG C；
(6), small steel pipe and connecting plate assembling：
1st, first positioned in alignment line assembles four sides and is connected with the long connecting plate of bar shaped, the connecting plate in centre position, control connection
The perpendicularity of plate, is welded and fixed；
2nd, centered on the connecting plate in centre position, remaining connecting plate is assembled to both sides, during welding, symmetric position weld seam
Weld simultaneously；
(7), small steel pipe assembling：
1st, with connecting plate group weldering order；First positioned in alignment line assembles the small steel pipe in four side centre positions, is welded and fixed；
2 and then centered on the small steel pipe in centre position, assemble remaining small steel pipe to both sides.Carry out small steel pipe welding equipment
Connect, first weldering and connecting plate attachment weld, CO2 gas shield medicines are taken in then weldering and outer shroud dividing plate and bottom plate attachment weld, welding
Core welding wire welding, welding condition are shown in Table 1.1；Using local heating orthosis, correcting the flatness of column base plate should meet now
Tolerance≤1.0mm as defined in row national acceptance specification；
(8), post bottom shear key assembles：
Post bottom shear key is corresponding with the small steel pipe of main steel pipe periphery, and shear key assembling is opened from the centre position of four sides
Begin, symmetrically carried out to both sides；
(9), peg and lifting ear plate assemble：
1st, after the detection of steel column total quality is qualified, according to the peg location drawing, welding of peg is carried out from inside to outside；
2nd, the peg on main steel pipe is first welded, secondly the peg on the small steel pipe of welding.
Claims (7)
- A kind of 1. multitube composite steel column, it is characterised in that：Including column base plate (1), the top of described column base plate (1) is provided with main steel Tube assembly, described main steel pipe component overcoat have outer shroud dividing plate (2), and the top of described column base plate (1) is provided with and main steel pipe The small steel pipe component that part is mutually fixed, the bottom of described column base plate (1) is provided with some shear keies (3)；Described main steel pipe component includes the main steel pipe (4) of 4 interruption-like square distributions, the master of the symmetrical distribution of one pair of which Mutually positioned by the long connecting plate of bar shaped (5) between steel pipe (4), described outer shroud dividing plate (2) socket-connects with main steel pipe (4), 4 main steel Interior connector assembly is provided between pipe (4), described interior connector assembly includes the steel column built-in inserted plate with the matched fixation of main steel pipe (4) outer wall (6), the top of described steel column built-in inserted plate (6) is provided with the interpolation cross strength plate (7) mutually fixed with main steel pipe (4) outer wall,Mutually positioned by the short connecting plate of bar shaped (8) between the main steel pipe (4) of the symmetrical distribution of another pair, the short connection of described bar shaped Plate (8) is fixed with outer shroud dividing plate (2)；Described small steel pipe component includes connecting plate (9), outer wall, the outer wall of the short connecting plate of bar shaped (8) of described main steel pipe (4) Be respectively equipped with the connecting plate (9) to stretch out, the outer wall of described connecting plate (9) is provided with small steel pipe (10), connecting plate (9) with it is small The upper end of steel pipe (10) is fixed with outer shroud dividing plate (2) respectively, the bottom of connecting plate (9) and small steel pipe (10) respectively with column base plate (1) mutually fix；The shearing resistance steel pipe (11) of distribution corresponding with small steel pipe (10) is provided with described shear key (3)；The outer wall of described small steel pipe (10) is respectively equipped with equally distributed peg (12) with the outer wall of shearing resistance steel pipe (11).
- A kind of 2. multitube composite steel column according to claim 1, it is characterised in that：The top of described main steel pipe (4) is set There is Embedded shrouding (13), the inner on described main steel pipe (4) top is provided with the fixed plate (14) upwardly extended, described bar The long connecting plate of shape (5), interpolation cross strength plate (7) are mutually fixed with fixed plate (14) respectively, the long connecting plate of described bar shaped (5) it is upper Portion, the top of the short connecting plate of bar shaped (8) and the top of interpolation cross strength plate (7) are in same level EDS maps.
- A kind of 3. multitube composite steel column according to claim 1, it is characterised in that：Described outer shroud dividing plate (2) is positioned at master The upper end of steel pipe (4), described column base plate (1) is equal with the specification of outer shroud dividing plate (2), described steel column built-in inserted plate (6) with it is outer Defoaming hole (15) is respectively equipped with ring dividing plate (2).
- A kind of 4. multitube composite steel column according to claim 1, it is characterised in that：Described main steel pipe (4) outer end wall is set There are three connecting plates being distributed in a uniform distribution (9), the short connecting plate of described bar shaped (8) and connecting plate (9) perpendicular shape point Cloth, described shear key (3) are distributed with small steel pipe (10), quantity and the shearing resistance steel pipe (11) of described small steel pipe (10) Quantity is equal.
- A kind of 5. multitube composite steel column according to claim 1, it is characterised in that：Outside described main steel pipe (4) top Wall is provided with lifting ear plate (16).
- 6. according to a kind of multitube composite steel column described in claim 1, it is characterised in that：The thickness of slab of described connecting plate (9) is 36mm, the thickness of slab of the long connecting plate of described bar shaped (5) and the short connecting plate of bar shaped (8) is respectively 50mm.
- A kind of 7. preparation method of multitube composite steel column according to claim 1 or 2 or 3 or 4 or 5 or 6, it is characterised in that Carry out according to the following steps：(1), main steel pipe assembling：1st, numbering, material, the information of specification of 4 main steel pipes are checked, it is fixed to assembling position line, control main steel pipe and post bottom The perpendicularity of plate, carry out positioning welding and fix；2nd, main steel-pipe welding uses CO2Gas shielded arc welding, antisymmetric main steel pipe preferably weld simultaneously, and welding uses CO2Gas shield Flux-cored wire welding, welding condition are shown in Table 1.1；Postwelding local heating corrects column base plate, and local heating temperature preferably controls 750 DEG C~850 DEG C, highest must not exceed 900 DEG C；Ensure column base plate flatness, meet design tolerance≤1.0mm； The perpendicularity for detecting main steel pipe and column base plate is not more than 3.0mm；The CO2 gas shielded arc welding welding conditions of table 1.1(2), main steel pipe and the long connecting plate of bar shaped assemble：1st, the long connecting plate of bar shaped is hung on into assembling jig frame, the long connecting plate groove of bar shaped positions towards main steel pipe outside, alignment assembling Line, the linearity and the perpendicularity of the long connecting plate of bar shaped and column base plate for controlling the long connecting plate of bar shaped are not more than 3.0mm, then carried out Positioning welding is fixed；2nd, the long connecting plate of bar shaped and main steel pipe seam groove type are unilateral V-arrangement, and level weld seam requirement is full penetration, and welding uses CO2Gas Body protection weldering, the long side weld of connecting plate two of bar shaped are symmetrically welded simultaneously；3rd, to prevent welding deformation, weld seam is segmented skip welding and multilayer multiple tracks welding weld seam flakiness ratio cannot be greater than 22；Control per pass Temperature is more than preheating temperature between weld seam road, but less than 230 DEG C；(3), outer shroud dividing plate assembles：1st, outer shroud dividing plate is inserted in from the top of main steel pipe, alignment assembling position line, control outer shroud dividing plate and main steel pipe perpendicularity With the depth of parallelism of outer shroud dividing plate and column base plate, outer shroud dividing plate cannot be greater than 0.05mm with the column base plate depth of parallelism；Then positioned It is welded and fixed；2nd, outer shroud dividing plate welding uses CO2Gas shielded arc welding, take even numbers worker's symmetrical rotary welding, the correction of postwelding local heating Outer shroud dividing plate；(4), interpolation cross strength plate assembles：1st, first carry out interpolation cross strength plate and steel column internal partition group is welded, ensure that the weld seam of interpolation cross strength plate and steel column internal partition is applied It is soldered into；When interpolation cross strength plate welds with steel column internal partition group, it should be ensured that organize the interpolation cross strength plate of postwelding and the slope of main steel pipe seam Mouthful towards the long connecting side of rear cover strip, steel column internal partition and outer shroud dividing plate weld groove are towards column base plate；2nd, the interpolation cross strength plate positioned in alignment line of group postwelding is assembled, the connection for first welding interpolation cross strength plate and main steel pipe is welded Seam, then weld the attachment weld of steel column internal partition and outer shroud dividing plate；Above-mentioned weld seam welding uses CO2 gas shielded flux cored wire weldings, and welding condition is shown in Table 1.1；(5), main steel pipe and the short connecting plate of bar shaped assemble：1st, the short connecting plate of bar shaped is hung on into assembled component, the short connecting plate groove of bar shaped positions towards main steel pipe outside, alignment assembling Line, the assembling of each bar line short chain fishplate bar 7 is carried out successively, control the depth of parallelism and the short connecting plate of bar shaped and the post bottom of the short connecting plate of bar shaped The perpendicularity of plate, then carry out positioning welding and fix；The depth of parallelism cannot be greater than 0.05mm, and perpendicularity cannot be greater than 3.0mm；2nd, the short connecting plate of bar shaped and main steel pipe seam groove type are unilateral V-arrangement, and level weld seam requirement is full penetration, and welding uses CO2Gas Body protection weldering, the short side weld of connecting plate two of bar shaped are symmetrically welded simultaneously；3rd, to prevent welding deformation, weld seam segmentation skip welding and multilayer multiple tracks welding, temperature is more than preheating between controlling per pass weld seam road Temperature, but less than 230 DEG C；(6), connecting plate assembles：1st, first positioned in alignment line assembles four sides and is connected with the long connecting plate of bar shaped, the connecting plate in centre position, controls connecting plate Perpendicularity, it is welded and fixed；2nd, centered on the connecting plate in centre position, remaining connecting plate is assembled to both sides, during welding, symmetric position weld seam is simultaneously Welding；(7), small steel pipe assembling：1st, with connecting plate group weldering order；First positioned in alignment line assembles the small steel pipe in four side centre positions, is welded and fixed；2 and then centered on the small steel pipe in centre position, assemble remaining small steel pipe to both sides；Small steel pipe assembly welding is carried out, first CO2 gas shielded flux cored wires are taken in weldering and connecting plate attachment weld, then weldering and outer shroud dividing plate and bottom plate attachment weld, welding Welding, welding condition are shown in Table 1.1；Using local heating orthosis, existing country should be met by correcting the flatness of column base plate Tolerance≤1.0mm as defined in acceptance specification；(8), post bottom shear key assembles：Post bottom shear key is corresponding with the small steel pipe of main steel pipe periphery, and shear key is assembled since the centre position of four sides, to Both sides are symmetrically carried out；(9), peg and lifting ear plate assemble：1st, after the detection of steel column total quality is qualified, according to the peg location drawing, welding of peg is carried out from inside to outside；2nd, the peg on main steel pipe is first welded, secondly the peg on the small steel pipe of welding.
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| 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 |
| CN108179839B (en) * | 2018-01-09 | 2019-11-12 | 中国建筑土木建设有限公司 | Four round steel pipe coupled columns of one kind and preparation method thereof |
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| CN2549080Y (en) * | 2002-05-21 | 2003-05-07 | 中山市雅立洁具有限公司 | Improved structure of sectional materials |
| NL1026427C2 (en) * | 2004-06-16 | 2005-12-19 | Lunado B V | System construction comprises multiple number of parallel positioned pipes and has distance holder with coupling devices |
| CN202055413U (en) * | 2011-04-18 | 2011-11-30 | 江苏沪宁钢机股份有限公司 | Huge column shaped like double Chinese character YA |
| CN105040810A (en) * | 2015-07-28 | 2015-11-11 | 广东省建筑设计研究院 | Connecting node suitable for framed shear wall structure reverse construction method |
| CN205840141U (en) * | 2016-06-30 | 2016-12-28 | 浙江东南网架股份有限公司 | A kind of multitube composite steel column |
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| CN2549080Y (en) * | 2002-05-21 | 2003-05-07 | 中山市雅立洁具有限公司 | Improved structure of sectional materials |
| NL1026427C2 (en) * | 2004-06-16 | 2005-12-19 | Lunado B V | System construction comprises multiple number of parallel positioned pipes and has distance holder with coupling devices |
| CN202055413U (en) * | 2011-04-18 | 2011-11-30 | 江苏沪宁钢机股份有限公司 | Huge column shaped like double Chinese character YA |
| CN105040810A (en) * | 2015-07-28 | 2015-11-11 | 广东省建筑设计研究院 | Connecting node suitable for framed shear wall structure reverse construction method |
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