CN103321350B - A kind of multi-link heavy in section combined box type slab side column and construction method thereof - Google Patents

A kind of multi-link heavy in section combined box type slab side column and construction method thereof Download PDF

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Publication number
CN103321350B
CN103321350B CN201310213925.XA CN201310213925A CN103321350B CN 103321350 B CN103321350 B CN 103321350B CN 201310213925 A CN201310213925 A CN 201310213925A CN 103321350 B CN103321350 B CN 103321350B
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box type
assembling
casing
bracket
plate
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CN103321350A (en
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顾晓付
周永明
甘国军
蒋良军
张富强
王小宁
马建为
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Jiangsu Huning Steel Mechanism Co Ltd
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Jiangsu Huning Steel Mechanism Co Ltd
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Abstract

The invention discloses a kind of multi-link heavy in section combined box type slab side column and construction method thereof, carry out as follows: the setting of (1) assembling jig frame; (2) the docking and positioning marking of exterior node plate and corner post scab; (3) assembling of casing interior nodes stiffening rib; (4) assembling of box side unit; (5) junction plate assembling; (6) assembling of box cover; (7) processing of casing end face; (8) casing connects the assembling of bracket, completes the construction of multi-link heavy in section combined box type slab side column.Meanwhile, the present invention also provides a kind of multi-link heavy in section combination box slab side column.The present invention is directed to huge post appearance and size large, factory process must make in segmentation, according to the Hoisting Program drafted and transportation clearance restriction, makes stage by stage, solves the problem of factorial praluction, greatly accelerate the progress of making, shorten the duration.

Description

A kind of multi-link heavy in section combined box type slab side column and construction method thereof
Technical field
The present invention relates to combined box type slab side column and construction method thereof, be specifically related to multi-link heavy in section combined box type slab side column and construction method thereof, belong to construction steel structure processing and fabricating building technology field.
Background technology
Guangzhou Pearl River New Town The East Pagoda is positioned at Zhujiang New City CBD center lot, and project borders on Zhujiang River main road in the west, and flower city main road is hoped in north, double tower is formed together with the Xi Ta bound in opposite, lay respectively at both sides, axis, new town, the Guangzhou New TV Tower newly-built every river isologue in the south, north is Milky Way sports center.
The East Pagoda comprises high building, annex and basement three part, high building is high 518 meters, 112 layers on the ground, Guangzhou West Tower (440.75 meters) will be surmounted after building up, become South China first high building, Zhujiang New City " three is high "---The East Pagoda, Xi Ta, Zhujiang River TV transmission tower will enhance each other's beauty, and jointly become the landmark that Zhujiang New City axis has world level when the time comes, meanwhile, also the new City Skyline in Guangzhou will be become.
Because the appearance and size of typical complicated multi-link heavy in section combined box type slab side column is comparatively large, factory process must make in segmentation, is a difficult problem for construction.
Summary of the invention
Goal of the invention: the object of the invention is to for the deficiencies in the prior art, provides a kind of multi-link heavy in section combined box type slab side column accelerating making process, reduction of erection time.
Meanwhile, the present invention also provides the construction method of a kind of multi-link heavy in section combined box type slab side column.
Technical scheme: one of the present invention multi-link heavy in section combined box type slab side column, comprise combined box type corner post, described combined box type corner post comprises four blocks of side plates and two cover plates, described four blocks of side plates and two cover plates are welded to each other formation casing, also comprise interior nodes plate, exterior node plate, lower edge bracket, the bracket that winds up, diagonal brace bracket and two attached flooring girder steel brackets, the corner of described exterior node plate is fixedly welded on the first half of described combined box type corner post, meanwhile, described interior nodes plate is welded and fixed at each solder joint place; Described diagonal brace bracket is fixed on described interior nodes plate place, and tilts outside described combined box type corner post; Described lower edge bracket is fixed on the first half of described combined box type corner post, described in the bracket that winds up be fixed on described combined box type corner post the latter half, the center line of described lower edge bracket and the center line of the described bracket that winds up are on the same line; The center line of two attached flooring girder steel brackets is arranged in parallel, and vertical welding is in the top of corner post and middle part respectively.
Described attached flooring girder steel bracket is H profile steel plate.
Described exterior node plate is that corner horizontal direction is fixedly welded on described combined box type corner post.
Described combined box type corner post inside is also welded with at least two transverse stiffeners and at least two longitudinal stiffeners.
Another technical scheme provided by the invention is: the construction method of a kind of multi-link heavy in section combined box type slab side column, carries out as follows:
(1) setting of assembling jig frame: mark the center line of the steel column of combination box, the segmentation position line and the two ends tongue and groove position line on platform after, carries out the erection of moulding bed according to described center line, the segmentation position line and the two ends tongue and groove position line;
(2) docking of exterior node plate and corner post scab and positioning marking: one piece of scab exterior node plate and parallel co-planar being formed box corner post 2 carries out docking jigsaw and welds on moulding bed, postwelding is corrected, the scab moulding bed of exterior node plate and this corner post is positioned, the fixed corner levelness to center line, floor position line, exterior node plate and corner post scab, and mark box house framework installation site line;
(3) assembling of casing interior nodes stiffening rib: the assembling carrying out the floor of putting more energy in casing interior nodes region is located and welds;
(4) assembling of box side unit: box side first carried out the assembly welding of longitudinal stiffener and transverse stiffener and correct formation side plate unit, then assembling the side plate unit of casing both sides;
(5) junction plate assembling: install the gusset plate be connected with combined box type corner post lower edge, inserts interior nodes plate in casing, and arranges overhanging bracket node in interior nodes plate insert division, then complete the welding of box house framework and bracket node;
(6) assembling of box cover: box cover first carried out the assembly welding of vertical and horizontal stiffening rib and correct formation cover plate unit, then assembling cover plate unit, then carry out the welding of casing longitudinal weld longitudinal seam and the welding of box house;
(7) processing of casing end face: be connected the center line of bracket for benchmark with combined box type corner post lower edge with casing, marks casing end face processing line, carries out end face processing with facing cut;
(8) casing connects the assembling of bracket: with the lower edge bracket center line of combined box type corner post for benchmark, mark the position line of the bracket that winds up, then the connection bracket of erecting and welding panel point and girder steel, completes the construction of multi-link heavy in section combined box type slab side column.
Check the moulding bed template arranged in step (1), check criteria is: the horizontal gradient error suitable for reading of moulding bed template is not more than 0.5mm, and described moulding bed template is qualified.
When carrying out the assembling location of the floor of putting more energy in casing interior nodes region in step (3), an interim technique dividing plate is set in casing port.
When carrying out the assembling location of the floor of putting more energy in casing interior nodes region in step (3), stiffening rib adopts the method for overall package after first assembly welding.
When the assembling of step (4) raising middle flask side Slab element is located, diagonal brace is adopted to assist.
In step (7) after the processing of casing end face, again position on moulding bed, fixed to casing corner levelness and central axis degree.
Beneficial effect: multi-link heavy in section combined box type slab side column provided by the invention and construction method thereof, large for huge post appearance and size, factory process must make in segmentation, according to the Hoisting Program drafted and transportation clearance restriction, make stage by stage, solve the problem of factorial praluction, greatly accelerate the progress of making, shorten the duration, reasonably segment design decreases difficulty and the workload of welding simultaneously, convenient construction, reduce working measure expense, save the duration, and, the present invention adopts overall reasonably assembling sequence and welding sequence, further ensure the quality of the side column produced.
Accompanying drawing explanation
Fig. 1 is the axonometric drawing of multi-link heavy in section of the present invention combined box type slab side column;
Fig. 2 is the top view of multi-link heavy in section of the present invention combined box type slab side column;
Fig. 3 is the elevation of multi-link heavy in section of the present invention combined box type slab side column;
Fig. 4 is the right view of multi-link heavy in section of the present invention combined box type slab side column.
Detailed description of the invention
Below technical solution of the present invention is described in detail, but protection scope of the present invention is not limited to described embodiment.
embodiment:the invention provides a kind of multi-link heavy in section combined box type slab side column, its structural representation as Figure 1-4, comprise combined box type corner post 2, described combined box type corner post 2 comprises four blocks of side plates and two cover plates, and described four blocks of side plates and two cover plates are welded to each other formation casing.
Also comprise interior nodes plate 1, exterior node plate, lower edge bracket 3, the bracket 4 that winds up, diagonal brace bracket 5 and two attached flooring girder steel brackets 6.
The corner of described exterior node plate is fixedly welded on the first half of described combined box type corner post 2, meanwhile, is welded and fixed described interior nodes plate 1 at each solder joint place; Described diagonal brace bracket 5 is fixed on described interior nodes plate 1 place, and tilts outside described combined box type corner post 2; Described lower edge bracket 3 is fixed on the first half of described combined box type corner post 2, described in the bracket 4 that winds up be fixed on described combined box type corner post 2 the latter half, the center line of described lower edge bracket 3 and the center line of the described bracket 4 that winds up are on the same line; Two attached flooring girder steel brackets 6 are H profile steel plate, and its center line is arranged in parallel, and vertical welding is in the top of corner post 2 and middle part respectively.In addition, in order to ensure the stable of combined box type corner post 2, described combined box type corner post inside is also welded with at least two transverse stiffeners and at least two longitudinal stiffeners.
The present invention builds the combined box type corner post 2 provided, and volume and size greatly, need segmented making.Described side column cross section is of a size of 1500 × 2000mm, wall thickness 25mm.
The construction method of above-mentioned multi-link heavy in section combined box type slab side column, carries out as follows:
(1) setting of assembling jig frame: mark the center line of the steel column of described combination box, the segmentation position line and the two ends tongue and groove position line on platform after, carries out the erection of moulding bed according to described center line, the segmentation position line and the two ends tongue and groove position line.
Must check template is suitable for reading after moulding bed is arranged, check criteria is: the horizontal gradient error suitable for reading of moulding bed template is not more than 0.5mm, and described moulding bed template is qualified, can use after moulding bed passed examination.
(2) docking of exterior node plate and corner post scab and positioning marking: one piece of scab exterior node plate and parallel co-planar being formed box corner post 2 carries out docking jigsaw and welds on moulding bed, postwelding is corrected, the scab moulding bed of exterior node plate and this corner post is positioned, the fixed corner levelness to center line, floor position line, exterior node plate and corner post scab, and mark box house framework installation site line.
(3) assembling of casing interior nodes stiffening rib: the assembling carrying out the floor of putting more energy in casing interior nodes region is located and welds.First carry out the assembling location of the floor of putting more energy in casing interior nodes region, less stiffening rib is adopted to the method for overall package after first assembly welding, because casing cross section is comparatively large, for ensureing the sectional dimension at casing mating interface place, an interim technique dividing plate is set in casing port.
(4) assembling of box side unit: box side first carried out the assembly welding of vertical and horizontal stiffening rib and correct formation side plate unit, then assembling the side plate unit of casing both sides.Because side plate height is comparatively large, when the assembling of step (4) raising middle flask side Slab element is located, diagonal brace is adopted to assist.
Namely first weld after stiffening rib assembling in casing, then the side plate unit of casing two side is assembled, first carry out in length and breadth to assembly welding and the rectification of stiffening rib before side plate assembling, form Slab element, side plate location must ensure verticality and relative position, because side plate height is comparatively large, location adopts diagonal brace to assist, and arranges ring batter brace bracket 5.
(5) junction plate assembling: install the gusset plate be connected with combined box type corner post 2 lower edge, inserts interior nodes plate in casing, and arranges overhanging bracket node two pieces of interior nodes plate insert divisions, then complete the welding of box house framework and bracket node.
Behind side plate unit location, the gusset plate (inserting in casing) be connected with combined box type corner post 2 lower edge is installed, and assembles the overhanging bracket node in this place, determine the verticality to relative position and bracket face, then the welding of inlet body internal framework and bracket node, welding is submitted to and is checked.
(6) assembling of box cover: box cover first carried out the assembly welding of vertical and horizontal stiffening rib and correct formation cover plate unit, then assembling cover plate unit, then carry out the welding of casing longitudinal weld longitudinal seam and the welding of box house.
Box house has welded and after correcting, carry out box cover, before cover plate, frange plate is the same with side plate, should first and longitudinal stiffener carry out assembly welding rectification, assemble with the form of Slab element, what should ensure casing upper and lower port after box cover opens gear size, and the straightness accuracy of casing, torsion etc., then carries out the welding of casing longitudinal weld longitudinal seam and the welding of box house.
(7) processing of casing end face: with the center line of casing and lower edge bracket 3 for benchmark, mark casing end face processing line, carry out end face processing with facing cut.After the processing of casing end face, again position on moulding bed, fixed to casing corner levelness and central axis degree.
(8) casing connects the assembling of bracket: with lower edge bracket 3 center line for benchmark, mark the position line of the bracket 4 that winds up of combined box type corner post 2, then the bracket 4 that winds up of erecting and welding panel point and girder steel, completes the construction of multi-link heavy in section combined box type slab side column.
For ensureing processing and fabricating quality, in whole making link, need the Quality Control Links carrying out following operation:
1, setting-out: each work progress such as steel plate cutting is cut, each parts and assembling parts, the pre-splicing assembling of component has all needed professional linesman to carry out accurate setting-out on machined surface He in frock.Must check through inspector after setting-out, to guarantee the accurate of physical dimension, form and position tolerance, angle, installation contact surface etc. that part, parts, component are processed;
2, line and number material: to less, comparatively simple plate, tubing when without Numerical control cutting necessity, adopt manually line, number material.Line, number material personnel should accomplish skillfully to make model, sample bar, and be familiar with symbol that model, sample bar mark and word connotation, the number of getting clear expects quantity;
3, blanking cutting is containing groove: comprise gas cutting, intersection cutting and groove.The capital equipment of blanking cutting has Yi Sa-Chinese cock plasma panel, flame multi-head numerical control cutting machine, cart type torch-cutting machine, numerical-control tube to pass through cutter, beveling machine, horizontal band sawing machine, plate shearing machine etc. mutually.The requirement of processing by company inner quality standard inspection cut surface, physical dimension, form tolerance, cut-out section, splash etc., should be carried out rational stacking, does qualified mark and dash number after the assay was approved;
4, welding operation specifies: welder qualification copy must by qualification welder's welding, and send owner supervisor for core by the welder that this engineering is engaged in welding.Non-solder personnel must not welding.Welding personnel establishes electric welding engineer, the management of specially department's welding job.Before welding, welding bead end face and each 50mm in left and right must remove rust, grease and other foreign material.During multiple tracks welding, after welding completes, must welding slag be removed, and remove welding bead with steel brush, if desired can welding except unclean object space with grinding-wheel grinder.During two-sided docking welding, before the welding of the back side, welding slag and unclean thing must be removed with the instrument such as emery wheel, steel brush.Dry welding rod must be used during welding to guarantee quality.The inspection personnel of welding bead, with visual inspection, if there is any defect to revise immediately, has quality person again to check, until pass through;
5, welding inspection: the contiguity degree of composition backing and raw steel plate and termination are received, run-on tab fixing; The angle of groove; The cleaning of solder side; Preheating, thickness of slab is greater than the Q345 steel plate tacking place flame preheat 100 ~ 150 DEG C of 30mm; The state of tack weld is to check crack, lack of penetration.Whether welding method, welding parameter, preheating, interlayer temperature and welding after heat etc. are carried out on request;
6, correct: rectification work runs through the whole process of structure steel fabrication, all should correct to blanking cutting, assembling hand welding etc. from before blanking, guarantee that scantling, quality, shape meet code requirement.This depends on the accuracy of equipment and the operability of technique;
7, component surface process: the part after processing, parts, component all should be carried out in accordance with regulations edge processing, removal burr, welding slag, weldering are pressed splash, dirt etc., and are carried out surface inspection.After removing surface, surface derusting process is carried out with ballasting rust remover until component finished product.Derusting grade should more than Sa2.5 level;
8, check and accept: component finished product should carry out in factory by under the guidance of technology, quality engineer, to check total quality and the installation situation of component, guarantee that scene can be installed smoothly, by exclusive surveyor, the inspection of component, result of the test are checked simultaneously, on component, the quality certification is sticked, for packing and dispatching from the factory after above inspection is all qualified.
The tolerance that in construction method of the present invention, rational assemble method and assembling sequence can cause each parts machining or cumulative limit are repaired in time, thus ensure the total quality of structure, therefore, adopt which kind of assemble method and assembling sequence particularly important to the quality of engineering.Every link of quality control of the present invention, layer by layer control, improves quality fineness degree and the glamour of component containing groove, welding operation regulation, welding inspection, rectification, component surface process, examination from setting-out, line and number material, blanking cutting.
As mentioned above, although represented with reference to specific preferred embodiment and described the present invention, it shall not be construed as the restriction to the present invention self.Under the spirit and scope of the present invention prerequisite not departing from claims definition, various change can be made in the form and details to it.

Claims (6)

1. a construction method for multi-link heavy in section combined box type slab side column, is characterized in that,
Described multi-link heavy in section combined box type slab side column, comprise combined box type corner post (2), described combined box type corner post (2) comprises four blocks of side plates and two cover plates, described four blocks of side plates and two cover plates are welded to each other formation casing, it is characterized in that, also comprise interior nodes plate (1), exterior node plate, lower edge bracket (3), wind up bracket (4), diagonal brace bracket (5) and two attached flooring girder steel brackets (6), the corner of described exterior node plate is fixedly welded on the first half of described combined box type corner post (2), simultaneously, described interior nodes plate (1) is welded and fixed at each solder joint place, described diagonal brace bracket (5) is fixed on described interior nodes plate (1) place, and tilts to described combined box type corner post (2) outside, described lower edge bracket (3) is fixed on the latter half of described combined box type corner post (2), the described bracket that winds up (4) is fixed on described combined box type corner post (2) the first half, and the center line of described lower edge bracket (3) and the center line of the described bracket that winds up (4) are on the same line, the center line of two attached flooring girder steel brackets (6) is arranged in parallel, and vertical welding is in the top of corner post (2) and middle part respectively,
Described attached flooring girder steel bracket is H profile steel plate; Described exterior node plate is that corner horizontal direction is fixedly welded on described combined box type corner post (2); Described combined box type corner post inside is also welded with at least two transverse stiffeners and at least two longitudinal stiffeners;
The construction method following steps of described multi-link heavy in section combined box type slab side column are carried out:
(1) setting of assembling jig frame: mark the center line of the steel column of combination box, the segmentation position line and the two ends tongue and groove position line on platform after, carries out the erection of moulding bed according to described center line, the segmentation position line and the two ends tongue and groove position line;
(2) docking of exterior node plate and corner post scab and positioning marking: one piece of scab exterior node plate and parallel co-planar being formed box corner post carries out docking jigsaw and welds on moulding bed, postwelding is corrected, the scab moulding bed of exterior node plate and this corner post is positioned, the fixed corner levelness to center line, floor position line, exterior node plate and corner post scab, and mark box house framework installation site line;
(3) assembling of casing interior nodes stiffening rib: the assembling carrying out the floor of putting more energy in casing interior nodes region is located and welds;
(4) assembling of box side unit: box side first carried out the assembly welding of longitudinal stiffener and transverse stiffener and correct formation side plate unit, then assembling the side plate unit of casing both sides;
(5) junction plate assembling: install the gusset plate be connected with combined box type corner post lower edge, inserts interior nodes plate in casing, and arranges overhanging bracket node in interior nodes plate insert division, then complete the welding of box house framework and bracket node;
(6) assembling of box cover: box cover first carried out the assembly welding of vertical and horizontal stiffening rib and correct formation cover plate unit, then assembling cover plate unit, then carry out the welding of casing longitudinal weld longitudinal seam and the welding of box house;
(7) processing of casing end face: be connected the center line of bracket for benchmark with combined box type corner post lower edge with casing, marks casing end face processing line, carries out end face processing with facing cut;
(8) casing connects the assembling of bracket: with the lower edge bracket center line of combined box type corner post for benchmark, mark the position line of the bracket that winds up, then the connection bracket of erecting and welding panel point and girder steel, completes the construction of multi-link heavy in section combined box type slab side column.
2. the construction method of a kind of multi-link heavy in section according to claim 1 combined box type slab side column, it is characterized in that, check the moulding bed template arranged in step (1), check criteria is: the horizontal gradient error suitable for reading of moulding bed template is not more than 0.5mm, and described moulding bed template is qualified.
3. the construction method of a kind of multi-link heavy in section according to claim 1 combined box type slab side column, is characterized in that, when carrying out the assembling location of the floor of putting more energy in casing interior nodes region in step (3), arranges an interim technique dividing plate in casing port.
4. the construction method of a kind of multi-link heavy in section according to claim 1 combined box type slab side column, it is characterized in that, when carrying out the assembling location of the floor of putting more energy in casing interior nodes region in step (3), stiffening rib adopts the method for overall package after first assembly welding.
5. the construction method of a kind of multi-link heavy in section according to claim 1 combined box type slab side column, is characterized in that, when the assembling of step (4) raising middle flask side Slab element is located, adopts diagonal brace to assist.
6. the construction method of a kind of multi-link heavy in section according to claim 1 combined box type slab side column, is characterized in that, in step (7) after the processing of casing end face, again positions on moulding bed, fixed to casing corner levelness and central axis degree.
CN201310213925.XA 2013-06-03 2013-06-03 A kind of multi-link heavy in section combined box type slab side column and construction method thereof Active CN103321350B (en)

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CN105171354B (en) * 2015-09-29 2017-08-01 江苏沪宁钢机股份有限公司 A kind of pipe turns box column and its processing method
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