CN105937264A - Construction process of removable special-shaped three-dimensional steel-frame structure - Google Patents
Construction process of removable special-shaped three-dimensional steel-frame structure Download PDFInfo
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- CN105937264A CN105937264A CN201610122217.9A CN201610122217A CN105937264A CN 105937264 A CN105937264 A CN 105937264A CN 201610122217 A CN201610122217 A CN 201610122217A CN 105937264 A CN105937264 A CN 105937264A
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
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- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
Abstract
The invention relates to the technical field of building construction, in particular to construction process of a removable special-shaped three-dimensional steel-frame structure. The process comprises following steps: pre-embedment construction of a foundation, a basement and supporting pipelines, construction of a steel structure, mechanical and electrical installation and construction and installation of internal and external decoration machines. A removable special-shaped three-dimensional steel frame is composed of connection between different special-shaped box-shaped steel structure columns. The special-shaped box-shaped steel structure columns comprise brackets, partition plates, box column-shaped bodies, gusset plates, H-shaped steel and column bottom plates. The machining steps of the special-shaped box-shaped steel structure columns comprise machining of the partition plates, machining of the box column-shaped bodies, assembly columns brackets, the gusset plates, and other parts. During assembly, positive allowance is utilized to plus and minus welding shrinkage allowance. The distance between column centers and floor elevations and bolt holes can be controlled. The positioning assembly can be carried out on the brackets and the gusset plates with angles. The construction process of the removable special-shaped three-dimensional steel-frame structure featuring novelty, high construction efficiency, and high construction safety factor is provided in order to satisfy construction demands of different buildings.
Description
[technical field]
The present invention relates to technical field of building construction, a kind of removable irregular stereo steel frame construction architectural construction technology.
[background technology]
Along with rapid urban, various moulding architectural design emerges in an endless stream, and the construction to building structure requires also to get more and more.But construction method of the prior art cannot meet the requirement of speed of application, construction precision.As whole in main structure, substantial amounts of irregular box Steel section member, therefore make in factory and bring sizable difficulty of construction with in-site installation.
[summary of the invention]
The purpose of the present invention is contemplated to solve drawbacks described above of the prior art, a kind of removable irregular stereo steel frame construction architectural construction technology is provided, including basis and basement and cooperation steel pipe buried in advance construction, Construction of Steel Structure, dynamo-electric installation and internal and external ornament construction machine equipment are installed, described removable irregular stereo steelframe is connected by different irregular box formed steel construction posts and forms, irregular box formed steel construction post includes cattle lower limb, dividing plate, box column body, gusset plate, H profile steel and column base plate, box column body includes wing plate and web, the procedure of processing of irregular box formed steel construction post is as follows:
A) processing of dividing plate:
First cutting the groove of dividing plate blanking and manual welding position, after then holing dividing plate, correcting, use pattern assembling manual welding and electroslag welding lining plank, during assembling, every limit places milling surplus 4mm；
Ii. the seam at manual welding lining plank and electroslag welding lining plank outputs otch, and incision size presses welding requirements, to ensure the welding quality of dividing plate；
Iii. welding dividing plate, after dividing plate welding, surrounding carries out milling limit, it is orthogonal that precision after processing should meet four edges, the non-perpendicularity≤1.0mm of four edges, diagonal deviation≤1.5mm, the overall dimensions range of error of dividing plate is+1～+2mm, does not allow minus deviation occur；
B) processing of box column body:
I. should put welding when wing plate and web blanking in advance to shrink and milling surplus, length places 25mm, and width is overgauge, the groove of longitudinal seam is cut by drawing or welding procedure, the groove of complete penetraction and fusion in welding and part through welding after cutting, should need to correct and check the glacing flatness of wing plate and web with along transition；
Ii. on web, complete penetraction and fusion in welding lining plank is assembled, it should be noted that lining plank and the closely connected and glacing flatness of web during assembling；
Iii. on wing plate and web, mark assembly line and dividing plate location line, between every piece of dividing plate, place the welding allowance for shrinkage of 1.5mm；
Iv. being placed on levelling moulding bed by one block of wing plate, after adjusting position, assemble in diaphragm, end-plate, dividing plate must be adjacent to wing plate, local gap ＜ 0.5mm；
V. the electroslag weld bond on web, can be cut when blanking, but be should ensure that the correct of position when web assembling；
Vi., two coxostermums are installed, and make it be adjacent to dividing plate, at welding position spot welding, local gap ＜ 0.5mm, the position line of dividing plate is drawn out to the outside on wing plate and web stamping simultaneously and develops and prints；
The welding of the most non-electroslag welding dividing plate, flaw detection, weld, detecting a flaw is carried out by concrete welding process requirement, wing plate and electroslag welding dividing plate welding position, must check whether dividing plate is adjacent to wing plate, must carry out bottoming with welding if any gap；
Viii. weld, detect a flaw qualified after, remove the foreign material in casing, measure and record electroslag welding dividing plate and the issuable gap of upper flange with ruler, then fit on wing plate, according to assembly line capturing position, at electroslag welding dividing plate, apply external force, make wing plate and electroslag welding dividing plate carry out tack welding again after being adjacent to, to prevent from producing electroslag welding hourglass slag due to gap, electroslag welding is carried out by welding process requirement with welding sequence and the flaw detection of four longitudinal joints；
Ix. weld, qualified rear body of detecting a flaw is corrected, and corrects the way that can use local heating pressurization；
X. according to the actual side sway value of box column body, the centrage of amending column；
Xi. before length milling, at top spacer on the basis of, add 5Kg pulling force with tape measure and mark the length line of post, and according to the node weld situation of post, reserved welding allowance for shrinkage；
Xii. cut out the groove of column bottom, assemble bottom liner plate, during the assembling of bottom liner plate, should ensure that the precision of size, reserved milling surplus, milling after welding；
Xiii. milling should adjust position, carries out milling again after confirming the post center perpendicularity with milling end face, after an end milling, during the tune milling other end, it is desirable to identical；
C) assembling post bracket, gusset plate and other parts, utilize plus tolerance to place welding allowance for shrinkage, and control post center and the floor absolute altitude distance to screw during assembling, uses model to carry out location assembling angled bracket, gusset plate.
This removable irregular stereo steel frame construction architectural construction technology also includes the erection welding of the irregular box each component of formed steel construction post, including: the dimensions that wing plate and web are specified by processing sketch, carry out the bevel for welding processing of blanking and process stipulation after putting allowance；Should remove the harmful substances such as the welding rust of contact surface, greasy dirt before H profile steel group is vertical, removal scope is each 75mm in contact surface both sides；H profile steel kludge is used to assemble and put solid；The biggest H profile steel, should install the most interim technique gusset additional and support, to prevent the deformation of H profile steel and to ensure the safety of handling, and solderable interim angular and horizontal support；During longitudinal seam welding, use two longitudinal joints first welding bottom wing, and use ship type to weld；The method using backstep during longitudinal seam welding, to reduce welding deformation；Postwelding carries out machinery rectification；The H profile steel antidote of irregular box formed steel construction post assembling is:
A) H profile steel assembles and welds；
B) assembling of internal partition with weld；
C) flaw detection is corrected；
D) half hollow assembles: places, on the moulding bed of smoothing, the lower cover corrected, thus constitutes half hollow of opening upwards；
E) hollow assembles: upper cover plate is welded to moulding bed on half hollow, forms hollow post, should ensure that upper and lower cover plate side sway direction is consistent.
D) dividing plate electroslag welding；
E) longitudinal seam welding, note the while that the welding of longitudinal joint answering two, equidirectional, weld with specification；
F) flaw detection is corrected, and dividing plate assembles；
The welding method of box column body is:
A) place, on the moulding bed of smoothing, the box steel lower wing plate corrected；
B) lower wing plate, welding top plate, dividing plate are installed.
Before component lifting, need to go through the clean-up performance of component surface, must remove contamination polluted position, the lifting of initial workpiece steel column must select external corner vertical column, after alignment, need to use steel cable tension in surrounding, it is ensured that its perpendicularity and stability；Batter post lifting location does not use temporary support, and at the batter post the most loose hook of aft engine in place, the lifting using truck crane to carry out center-to-center girder steel immediately connects, form portal frame, and two laybacks set steel cable with correction fixing after, two loop wheel machines could pine hooks.
When this irregular stereo steel frame construction building removed by needs, carry out according to existing dismounting operation.
The present invention solves in prior art the defect that special-shaped steel structure construction is slow, construction is difficult, designed by rational construction technology, provide a method that novelty, efficiency of construction are high, construction safety coefficient is high and easy-to-dismount irregular stereo steel frame construction architectural construction technology, meet the construction demand of multiple building.
[accompanying drawing explanation]
Fig. 1 is the manufacturing process flow schematic diagram of the irregular box formed steel construction post in the embodiment of the present invention；
Fig. 2 is the dividing plate processing structure schematic diagram in the embodiment of the present invention；
Fig. 3 is the manual welding processing structure schematic diagram in the embodiment of the present invention；
Fig. 4 is the box column body processing structure schematic diagram in the embodiment of the present invention；
Fig. 5 is the moulding bed in the embodiment of the present invention and assembling schematic diagram；
Fig. 6 is the box column correction step structural representation in the embodiment of the present invention；
Fig. 7 is the case structure scattergram in the embodiment of the present invention；
In figure: 1. manual welding lining plank 2. electroslag welding lining plank 3. dividing plate 4. box column wing plate 5. lining plank 6. fixture 7. moulding bed 8. wing plate 9. web 10. revises CB a, b be layout design size e for revising central point B, C, D, E, F, G, H, I, M, N, O, P is exhibition room；
Specifying Fig. 1 is the Figure of abstract of the present invention.
[detailed description of the invention]
The invention will be further described below in conjunction with the accompanying drawings, and the structure of this device and principle are the most clearly for the people of this specialty.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
This technique is only used for factory's fabrication and processing of this engineering steel construction box column, box beam.
The adaptation foundation of this technics institution, specification, standard:
(1) structure steel fabrication and erection code (DG-TJ08-216-2007)；
(2) construction steel structure solder technology code (JGJ81-2002)；
(3) code for acceptance of construction quality of steel structures (GB50205-2001)；
In the making welding process of steel construction piece, every regulation of factory quality management should be strictly observed, it is ensured that the crudy of component.Construction should strictly observe the every management system of production safety and the safe practice rule of operation of factory, it is ensured that safety in production.
Box column manufacturing process flow is as it is shown in figure 1, plane Milling Machining tolerance is as shown in the table:
| Project | Tolerance |
| Part width, length | ±1.0mm |
| Processing limit linearity | L/3000 and≤2.0mm |
| Adjacent both sides non-perpendicularity | ≤1.0mm |
| Adjacent both sides angle angle | Less than or equal to ± 6, |
| Machined surface non-perpendicularity | 0.025t and≤0.5mm |
| Machined surface roughness | 50um |
Facet required precision is as shown in the table:
The processing of dividing plate:
(1) dividing plate blanking cutting, the groove at manual welding position is cut by drawing or welding procedure, after holing, correcting, use pattern assembling manual welding and electroslag welding lining plank, during assembling, every limit places milling surplus 4mm, and welding is carried out by welding process requirement, as shown in Figure 2.
(2) seam at manual welding lining plank and electroslag welding lining plank must output otch, and concrete size presses welding requirements to ensure the welding quality of dividing plate.
(3), after dividing plate welding, surrounding carries out milling limit, and the precision after processing should meet: four edges is orthogonal, non-perpendicularity≤1.0mm.Diagonal deviation≤1.5mm.
(4) overall dimensions+1 ∽+2mm, does not allow minus deviation occur.
(5) end-plate and technique dividing plate do not set lining plank
Box column body is processed:
(1) as shown in Figure 4, should put welding in advance and shrink and milling surplus when the wing, web blanking, length places 25mm, and width is overgauge, and the groove of longitudinal seam is cut by drawing or welding procedure.(groove of complete penetraction and fusion in welding and part through welding should be with suitable transition).After cutting, need to correct and check the glacing flatness of the wing, web.
(2) on web, complete penetraction and fusion in welding lining plank is assembled, it should be noted that lining plank and the closely connected and glacing flatness of web during assembling.
(3) on the wing, web, mark assembly line and dividing plate location line, between every piece of dividing plate, place the welding allowance for shrinkage of 1.5mm.
(4) being placed on levelling moulding bed by one block of wing plate, after adjusting position, assemble in diaphragm, end-plate, dividing plate must be adjacent to wing plate, local gap ＜ 0.5mm.
(5) the electroslag weld bond on web, can be cut when blanking, but be should ensure that the correct of position when web assembling.
(6) two coxostermums are installed, and make it be adjacent to dividing plate, spot welding after centering good position.The position line of dividing plate is drawn out to the outside on the wing, web stamping simultaneously and develops and prints by (clearance requirement is ibid).
(7) non-electroslag welding dividing plate welding, flaw detection, weld, detecting a flaw is carried out by welding process requirement.
(8) wing plate and electroslag welding dividing plate welding position, must check whether dividing plate is adjacent to wing plate, must carry out bottoming with welding if any gap.
(9) weld, detect a flaw qualified after, remove the foreign material in casing.Measure and record electroslag welding dividing plate and the issuable gap of upper flange with ruler, then fit on wing plate, according to assembly line capturing position, applies external force at electroslag welding dividing plate, wing plate and electroslag welding dividing plate is made to carry out tack welding again, to prevent from producing electroslag welding hourglass slag due to gap after being adjacent to.
(10) electroslag welding is carried out by welding process requirement with welding sequence and the flaw detection of four longitudinal joints.
(11) weld, qualified rear body of detecting a flaw is corrected, and corrects the way that can use local heating pressurization.
(12) according to the actual side sway value of box column, the centrage of amending column.
(13) before length milling, at top spacer on the basis of, mark the length line of post with tape measure (adding 5Kg pulling force), and according to the node weld situation of post, reserved welding allowance for shrinkage.
(14) cut out the groove of column bottom, assemble bottom liner plate, during the assembling of bottom liner plate, should ensure that the precision of size, reserved milling surplus, milling after welding.
(15) milling should adjust position, carries out milling again after confirming the post center perpendicularity with milling end face.After one end milling, during the tune milling other end, it is desirable to identical.
The parts such as assembling post bracket, gusset plate, utilize plus tolerance to place welding allowance for shrinkage, and control post center and the floor absolute altitude distance to screw, use model to carry out location assembling angled bracket, gusset plate, weld and carry out by welding main points during assembling.
The erection welding of typical members:
The dimensions that wing web is specified by processing sketch, carries out the bevel for welding processing of blanking and process stipulation after putting allowance.
Should remove the harmful substances such as the welding rust of contact surface, greasy dirt before BH group is vertical, removal scope is each 75mm in contact surface both sides, and BH is H profile steel.BH kludge is used to assemble and put solid.The biggest BH, should install the most interim technique gusset additional and support, to prevent the deformation of BH and to ensure the safety of handling, and solderable interim angular and horizontal support.During longitudinal seam welding, two longitudinal joints first welding bottom wing should be used, and use ship type to weld.The method that can use backstep during longitudinal seam welding, to reduce welding deformation.
Postwelding carries out machinery rectification.
The assembling BH of steel box column corrects:
(1) BH assembles and welds.
(2) assembling of internal partition with weld.
(3) flaw detection is corrected.
(4) half hollows assemble: place, on the moulding bed of smoothing, the lower cover corrected, thus constitute half hollow of opening upwards.
(5) hollow assembles: upper cover plate is welded to moulding bed on half hollow, forms hollow post, should ensure that upper and lower cover plate side sway direction is consistent.
(6) dividing plate electroslag welding.
(7) longitudinal seam welding.Note the while that the welding of longitudinal joint answering two, equidirectional, weld with specification.
(8) flaw detection is corrected.Dividing plate assembles
Box column welds:
(1) place, on the moulding bed of smoothing, the lower wing plate corrected.
(2) install, welding top plate, dividing plate.
Note:
A. top board, the processing of dividing plate are answered polylith to happen frequently by same benchmark and are processed, and the distortion that the poor appearance of dividing plate is brought, submerged arc welding casing longitudinal seam should be avoided in the location of dividing plate.
B., when dividing plate is relatively thin, electroslag welding groove can be made close to square by increasing the thickness of lining plank.
The selection of welding material:
Note: when Q345B steel welds with Q345 steel, selects welding wire or welding rod by the requirement of Q345.
The baking of material and storage:
Welding method and welding equipment select:
Main construction principle:
Considering duration reason, for reducing building-site assembly workload, all steel box columns of this engineering refuse segmentation (the long 22.35m of the longest steel column), all dispatch from the factory in the processing of internal field integral manufacturing.For guarantee component in factory's entrucking and transport, and not producing damageability deformation in the installation process of building site, haulage vehicle torr must use overlength flat car, and the lifting of steel column plays plate and uses two-shipper coordinating operation.
The component mark of all in-site installation needs, labelling, be both needed to complete in factory.Before component lifting, the clean-up performance of component surface need to be gone through, polluted position must be removed contamination.
The lifting of initial workpiece steel column must select external corner vertical column, after alignment, need to use steel cable tension in surrounding, it is ensured that its perpendicularity and stability.Batter post lifting location does not use temporary support, and at the batter post the most loose hook of aft engine in place, the lifting using truck crane to carry out center-to-center girder steel immediately connects, form portal frame, and two laybacks set steel cable with correction fixing after, two loop wheel machines could pine hooks.
For the steel cable that component is fixing, as having interference with neighbouring loop wheel machine operation, before not taking to change and adding the measure of rope, anyone must not release without authorization, and it is on the scene by project engineer that conversion adds Suo Bixu.After only exhibition room forms overall space rigid frame, just can release selectively for fixing steel cable.
Facility of ascending a height in monomer steel column hoisting process uses the simple hanging ladder (band steel and round steel assembly welding fitting) that lifting is special.After alien invasion steel frame is formed, go along with sb. to guard him setting up of operation scaffold the most accordingly.After each exhibition room plane floor steel girder erection, carry out drawing of handguard hawser immediately and set.Measurement and positioning in work progress, takes installation site angle ranging and ground unwrapping wire to hang down plesiochronous control.
The shape of typical steel shelf structure post beam includes that base angle is 120 degree, the parallelogram of 60 degree, base angle is 45 degree, the parallelogram of 135 degree, base angle is 60 degree trapezoidal, base angle is the inverted trapezoidal of 118 degree, base angle is 81 degree, the parallelogram of 99 degree, base angle is 109 degree, the parallelogram of 71 degree, and base angle is 99 degree, the parallelogram etc. of 81 degree.Irregular stereo steel frame construction is change frame structure on the basis of typical steel shelf structure, as replaced tradition Cross Braced etc. with random diagonal brace.
With an embodiment citing, the main building of its museum's aerial parts is the planar rectangular of 60m × 70m, and building height is 20m, and main structure is removable irregular stereo steelframe, is made up of 12 asymmetric spaces of independence.
The three-dimensional steelframe of main structure is according to the irregular moulding of each exhibition room, as it is shown in fig. 7, connected composition by different irregular box formed steel construction post beams.Installing in view of detachable and strange land, the joint connection in site of steel beam column all uses high strength exploitation, the material of steel structure to be Q345B.The internal floor of museum is Composite Slab with Metal Deck.
Main body steel structure lifting sequence is: the vertical steel column of G exhibition room external corner → adjacent east elevation steel column and contact girder steel → C exhibition room east elevation post joist steel frame → other main member of C exhibition room → B exhibition room component (first alien invasion, internal again, other exhibition room all with) → F exhibition room component → other component of D exhibition room component → G exhibition room → M exhibition room component → O exhibition room component → P exhibition room component → H exhibition room component → I exhibition room component → N exhibition room component → E exhibition room component.
Claims (3)
1. a removable irregular stereo steel frame construction architectural construction technology, including basis and basement and cooperation pipeline
Embedment Construction, Construction of Steel Structure, dynamo-electric installation and internal and external ornament construction machine equipment are installed, its feature
It is that described removable irregular stereo steelframe is connected by different irregular box formed steel construction posts to form, abnormity
Box shape steel structure post includes bracket, dividing plate, box column body, gusset plate, H profile steel and column base plate, case
Type post body includes wing plate and web, and the procedure of processing of irregular box formed steel construction post is as follows:
A) processing of dividing plate:
First the groove of dividing plate blanking and manual welding position is cut, then dividing plate is bored
After hole, rectification, using pattern assembling manual welding and electroslag welding lining plank, during assembling, every limit places
Milling surplus 4mm；
Ii. the seam at manual welding lining plank and electroslag welding lining plank outputs otch, and incision size is by welding
Requirement, to ensure the welding quality of dividing plate；
Iii. welding dividing plate, after dividing plate welding, surrounding carries out milling limit, and the precision after processing should
Meet four edges orthogonal, the non-perpendicularity≤1.0mm of four edges, diagonal deviation≤
1.5mm, the overall dimensions range of error of dividing plate is+1～+2mm, does not allow minus deviation occur；
B) processing of box column body:
I. should put welding when wing plate and web blanking in advance to shrink and milling surplus, length places 25mm, width
For overgauge, the groove of longitudinal seam is cut by drawing or welding procedure, complete penetraction and fusion in welding and portion
The groove of point through welding after cutting, should need to correct and check the straight of wing plate and web with along transition
Degree；
Ii. on web, assemble complete penetraction and fusion in welding lining plank, during assembling it should be noted that lining plank and web closely connected with
Glacing flatness；
Iii. on wing plate and web, mark assembly line and dividing plate location line, place between every piece of dividing plate
The welding allowance for shrinkage of 1.5mm；
Iv. one block of wing plate is placed on levelling moulding bed, after adjusting position, assemble in diaphragm, end-plate,
Dividing plate must be adjacent to wing plate, local gap ＜ 0.5mm；
V. the electroslag weld bond on web, can be cut when blanking, but be should ensure that when web assembling
Position correct；
Vi., two coxostermums are installed, and make it be adjacent to dividing plate, in welding position spot welding, local gap ＜
0.5mm, is drawn out to the position line of dividing plate the outside on wing plate and web stamping simultaneously and develops and prints；
The welding of the most non-electroslag welding dividing plate, flaw detection, weld, detecting a flaw is carried out by concrete welding process requirement,
Wing plate and electroslag welding dividing plate welding position, must check whether dividing plate is adjacent to wing plate, if any gap
Bottoming must be carried out with welding；
Viii. weld, detect a flaw qualified after, remove the foreign material in casing, measure with ruler and record electroslag
Weldering dividing plate and the issuable gap of upper flange, then fit on wing plate, find accurately according to assembly line
Position, applies external force at electroslag welding dividing plate, makes wing plate carry out after being adjacent to electroslag welding dividing plate again
Tack welding, to prevent from producing electroslag welding hourglass slag due to gap, electroslag welding and four longitudinal joints
Welding sequence and flaw detection are carried out by welding process requirement；
Ix. weld, qualified rear body of detecting a flaw is corrected, and corrects the way that can use local heating pressurization；
X. according to the actual side sway value of box column body, the centrage of amending column；
Xi. before length milling, at top spacer on the basis of, add 5Kg pulling force with tape measure and mark the length of post
Line, and according to the node weld situation of post, reserved welding allowance for shrinkage；
Xii. cut out the groove of column bottom, assemble bottom liner plate, should ensure that during the assembling of bottom liner plate
The precision of size, reserved milling surplus, milling after welding；
Xiii. milling should adjust position, is confirming that post center is carried out after the perpendicularity of milling end face again
Milling, after an end milling, during the tune milling other end, it is desirable to identical；
C) assembling post bracket, gusset plate and other parts, utilize plus tolerance to place welding allowance for shrinkage during assembling,
And control post center and the floor absolute altitude distance to screw, angled bracket, gusset plate are used sample
Plate carries out location assembling.
A kind of removable irregular stereo steel frame construction architectural construction technology the most as claimed in claim 1, its feature exists
In also including the erection welding of the irregular box each component of formed steel construction post, including: wing plate and web are by processing grass
The size of figure regulation, carries out the bevel for welding processing of blanking and process stipulation after putting allowance；H profile steel group
Should remove the harmful substances such as the welding rust of contact surface, greasy dirt before Li, removal scope is that contact surface both sides are each
75mm；H profile steel kludge is used to assemble and put solid；The biggest H profile steel, should install additional and suitably face
Time technique gusset support, with prevent H profile steel deformation and ensure handling safety, solderable interim angle
To and horizontal support；During longitudinal seam welding, use two longitudinal joints first welding bottom wing, and use ship type to weld；Vertical
The method using backstep during seam welding, to reduce welding deformation；Postwelding carries out machinery rectification；Abnormity
The H profile steel antidote of box shape steel structure post assembling is:
A) H profile steel assembles and welds；
B) assembling of internal partition with weld；
C) flaw detection is corrected；
D) half hollow assembles: place, on the moulding bed of smoothing, the lower cover corrected, thus constitute opening to
On half hollow；
E) hollow assembles: upper cover plate is welded to moulding bed on half hollow, forms hollow post, should ensure that
Upper and lower cover plate side sway direction is consistent.
F) dividing plate electroslag welding；
G) longitudinal seam welding, note the while that the welding of longitudinal joint answering two, equidirectional, weld with specification；
H) flaw detection is corrected, and dividing plate assembles；
The welding method of box column body is:
A) place, on the moulding bed of smoothing, the box steel lower wing plate corrected；
B) lower wing plate, welding top plate, dividing plate are installed.
A kind of removable irregular stereo steel frame construction architectural construction technology the most as claimed in claim 2, its feature exists
Before component lifts by crane, the clean-up performance of component surface need to be gone through, polluted position must be removed contamination,
The lifting of initial workpiece steel column must select external corner vertical column, after alignment, need to use steel cable tension in surrounding,
Ensure its perpendicularity and stability；Batter post lifting location does not use temporary support, at batter post aft engine in place
The most loose hook, the lifting using truck crane to carry out center-to-center girder steel immediately connects, and forms portal frame, and two
Layback set steel cable with correction fixing after, two loop wheel machines could pine hooks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610122217.9A CN105937264A (en) | 2016-03-04 | 2016-03-04 | Construction process of removable special-shaped three-dimensional steel-frame structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610122217.9A CN105937264A (en) | 2016-03-04 | 2016-03-04 | Construction process of removable special-shaped three-dimensional steel-frame structure |
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| Publication Number | Publication Date |
|---|---|
| CN105937264A true CN105937264A (en) | 2016-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610122217.9A Pending CN105937264A (en) | 2016-03-04 | 2016-03-04 | Construction process of removable special-shaped three-dimensional steel-frame structure |
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| CN (1) | CN105937264A (en) |
Cited By (6)
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| CN106346316A (en) * | 2016-09-30 | 2017-01-25 | 中建钢构有限公司 | Intelligent H-shaped bracket production line |
| CN107283130A (en) * | 2017-08-07 | 2017-10-24 | 沈阳宝通门业有限公司 | The integrated manufacture method and system of hangar door or aircraft maintenance depressed place frame structure |
| CN109304384A (en) * | 2018-12-07 | 2019-02-05 | 中冶建工集团有限公司 | A kind of apparatus for correcting and antidote of welding combination T-steel column |
| CN111571057A (en) * | 2020-05-29 | 2020-08-25 | 中国二十二冶集团有限公司 | Method for manufacturing groove of special-shaped box-shaped steel member |
| CN111794376A (en) * | 2020-06-13 | 2020-10-20 | 中国化学工程第十一建设有限公司 | Box-shaped steel structure column and processing and manufacturing method thereof |
| CN112743250A (en) * | 2020-12-24 | 2021-05-04 | 太原重工股份有限公司 | Non-standard H-shaped steel manufacturing method and special tool |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106346316A (en) * | 2016-09-30 | 2017-01-25 | 中建钢构有限公司 | Intelligent H-shaped bracket production line |
| CN107283130A (en) * | 2017-08-07 | 2017-10-24 | 沈阳宝通门业有限公司 | The integrated manufacture method and system of hangar door or aircraft maintenance depressed place frame structure |
| CN107283130B (en) * | 2017-08-07 | 2019-06-04 | 沈阳宝通门业有限公司 | The integrated manufacturing method and system of hangar door or aircraft maintenance depressed place frame structure |
| CN109304384A (en) * | 2018-12-07 | 2019-02-05 | 中冶建工集团有限公司 | A kind of apparatus for correcting and antidote of welding combination T-steel column |
| CN109304384B (en) * | 2018-12-07 | 2024-04-05 | 中冶建工集团有限公司 | Correcting device and correcting method for welding combination T-shaped steel column |
| CN111571057A (en) * | 2020-05-29 | 2020-08-25 | 中国二十二冶集团有限公司 | Method for manufacturing groove of special-shaped box-shaped steel member |
| CN111571057B (en) * | 2020-05-29 | 2021-08-27 | 中国二十二冶集团有限公司 | Method for manufacturing groove of special-shaped box-shaped steel member |
| CN111794376A (en) * | 2020-06-13 | 2020-10-20 | 中国化学工程第十一建设有限公司 | Box-shaped steel structure column and processing and manufacturing method thereof |
| CN112743250A (en) * | 2020-12-24 | 2021-05-04 | 太原重工股份有限公司 | Non-standard H-shaped steel manufacturing method and special tool |
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Application publication date: 20160914 |