CN100453750C - Box-type section beam-column node structure and welding method - Google Patents
Box-type section beam-column node structure and welding method Download PDFInfo
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- CN100453750C CN100453750C CNB2006102010427A CN200610201042A CN100453750C CN 100453750 C CN100453750 C CN 100453750C CN B2006102010427 A CNB2006102010427 A CN B2006102010427A CN 200610201042 A CN200610201042 A CN 200610201042A CN 100453750 C CN100453750 C CN 100453750C
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Abstract
The invention relates to a box section beam column node structure and sintering method that is sintered from box steel column and girder steel. Enforcing internal partition board is set in the steel column. Two sides of each horizontal steel board sinter clearance between steel column board and make the enhanced internal partition board with steel column to integrity. The total thickness of the two or three boards of horizontal steel boards matches to the external steel girder steel flange thickness that always larger or equal to the thickness of external steel girder steel flange. The invention ensures the sintering quality and saves producing cost.
Description
Technical field:
The present invention relates to a kind of construction steel structure joint structure and processing method thereof.
Background technology:
Domestic in recent years high-rise steel structure building is on the increase, and its pillar also adopts box-type section more and more, and much bigger steel box column is general is welded with four block plates, and also the employing is rigidly connected more between the Liang Yuzhu.For guarantee with girder steel that post links to each other between internal force transmit continuously, generally in the steel box column of the position corresponding, internal partition is set with plane, bottom flange on the beam.And require internal partition and beam flange plate uniform thickness and and column wall four limit full penetrations welding.During making, internal partition can get up with two wallboards weldering earlier of box post, internal partition and other two wallboards be connected to hidden weld seam, adopt electroslag welding to realize usually.
For the node of diaphragm relatively thin (less than 40mm), adopt electroslag welding to be easy to realize.But recently high-rise, stride in the structure with heavy load greatly, the application of slab steel is increasingly extensive, the frange plate thickness of crossbeam that is connected with steel column or huge transfer truss etc. usually surpasses 40mm, some structure even reach more than the 80mm, this just requires the thickness of the internal partition of the box post that is attached thereto also will reach 40mm even more than the 80mm.Node for this internal partition thicker (more than or equal to 40mm), roomy because of the molten bath, general electroslag welding easily produces incomplete fusion or fire check quality problems such as (mariages), and the process implementing difficulty is big, success rate is low, and speed of welding is slow, weld properties is poor, and weldquality is difficult to guarantee.The present invention takes appropriate measures from the structure construction angle exactly, has solved the application difficult problem of super thick dividing plate electroslag welding in box steel member connected node well.
Summary of the invention
The objective of the invention is to propose a kind of box-type section beam-column node structure and welding method thereof, solve the difficult problem that the interior thicker situation lower node of the diaphragm internal partition electroslag welding of steel box column is difficult for realization and difficult quality guarantee, thick dividing plate replaces the thick dividing plate of spy in two because of adopting in the present invention simultaneously, also reduces material cost and cost of production.
The object of the present invention is achieved like this: this box-type section beam-column node structure, intersect with girder steel by steel box column and to be welded, the horizontal internal partition of putting more energy into of welding in steel box column, it is characterized in that: the above-mentioned internal partition of putting more energy into is clipped between the horizontal steel plate to the three block-shaped sizes horizontal steel plate identical with cross section in the box post and three to four by two, and the stacked spot welding of steel filler strip interleaved that is positioned at horizontal steel plate both ends forms, the termination, both sides of every block of horizontal steel plate is apart from reserving the electroslag welding welded gaps between the steel box column wallboard, make put more energy into internal partition and steel box column integrally welded by electroslag welding.
The gross thickness of above-mentioned two or three blocks horizontal steel plates requires to be complementary with external girder steel edge of a wing thickness, gets usually more than or equal to external girder steel edge of a wing thickness.
The welding position of above-mentioned put more energy into internal partition and steel box column is in a side, both sides, three sides or four sides of the internal partition of putting more energy into.
Above-mentioned box-type section beam-column node can be cross king post joint, T-shaped king post joint or corner post node.
Above-mentioned girder steel and steel column can be chord member or web members in the truss.
Above-mentioned girder steel can be box-shaped, H type, T type or hollow circular-tube cross section.
A kind of welding method of above-mentioned box-type section beam-column node structure is characterized in that:
Step 1: the horizontal steel plate that two block-shaped sizes are identical with cross section in the steel box column and three stacked points of steel filler strip interleaved are welded into the internal partition of putting more energy into, and between per two steel filler strips and the termination, both sides of horizontal steel plate is apart from the reservation electroslag welding welded gaps that forms strip between the steel box column wallboard;
Step 2: the put more energy into internal partition good group is welded on the steel box column bottom wing listrium by preposition;
Step 3: steel box column two coxostermums and the welding of bottom wing listrium are formed the temporary transient box post that opens wide of one side, the not steely filler strip both sides of the internal partition of will putting more energy into then and the welding of column web full penetration;
Step 4: cover the top flange plate of steel box column, and finish the casing welding of box post;
Step 5: bore the electroslag welding hole with respect to the electroslag welding welded gaps from steel box column two web outside, the electroslag welding hole is communicated with the electroslag welding welded gaps;
Step 6: the used scolder of electroslag welding is sent in electroslag welding hole and the electroslag welding welded gaps, carried out the electroslag welding welding;
Step 7: at last at the precalculated position welded steel beam.
Above-mentioned steps 6 described scolders are welding wire or welded tube.
The welding method of another kind of box-type section beam-column node structure is characterized in that:
Step 1: three blocks of horizontal steel plates identical with cross section in the steel box column and four stacked points of steel filler strip interleaved are welded into the internal partition of putting more energy into, and between per two steel filler strips and the termination, both sides of horizontal steel plate is apart from the reservation electroslag welding welded gaps that forms strip between the box post steel wallboard;
Step 2: the put more energy into internal partition good group is welded on the steel box column bottom wing listrium by preposition;
Step 3: steel box column two coxostermums and the welding of bottom wing listrium are formed the temporary transient box post that opens wide of one side, the not steely filler strip both sides of the internal partition of will putting more energy into then and the welding of column web full penetration;
Step 4: cover the top flange plate of steel box column, and finish the casing welding of box post;
Step 5: bore the electroslag welding hole with respect to the electroslag welding welded gaps from steel box column two web outside, the electroslag welding hole is communicated with the electroslag welding welded gaps;
Step 6: the used scolder of electroslag welding is sent in electroslag welding hole and the electroslag welding welded gaps, carried out the electroslag welding welding;
Step 7: at last at the precalculated position welded grider.
Above-mentioned steps 6 described scolders are welding wire or welded tube.
Bean column node of the present invention is made up of box post, girder steel and the polylith internal partition of putting more energy into, and the internal partition of putting more energy into is arranged on corresponding position, flange of beam plane, is stacked by two or the horizontal steel plate of polylith and forms, and horizontal steel plate thickness is generally less than the edge of a wing thickness of slab of external girder steel.The present invention is under the prerequisite that does not weaken bearing capacity, guaranteed the welding quality of electroslag welding, globality is strong, reliability is high, it is excessive because of the molten bath to have solved ultra-thick plate (thickness of slab is greater than 40mm) electroslag welding well, the technology difficulty height, the success rate that cause are low, shortcomings such as speed of welding is slow, weld properties difference; Adopt simultaneously that thick dividing plate replaces the thick dividing plate of spy in two or the polylith, also reduced material cost and cost of production.The present invention is applicable to the beam column rigid joint that the box post connects, the beam-column node structure of girder steel edge of a wing thickness more than 40mm that especially links to each other with the box post.
Description of drawings:
Fig. 1 is a three-dimensional sectional view of the present invention;
Fig. 2 is the internal partition schematic diagram of putting more energy among Fig. 1;
Fig. 3 is the internal construction schematic diagram of the invention process example one;
Fig. 4 is the internal construction schematic diagram of the invention process example two.
Fig. 5 is the schematic diagram of step 2 of the present invention;
Fig. 6 is the schematic diagram of step 3 of the present invention;
Fig. 7 is the schematic diagram of step 4 of the present invention and step 5.
Among the figure: 1-steel box column, 2-girder steel, the 3-internal partition of putting more energy into, 4-steel filler strip, 5-electroslag welding welded gaps, the horizontal steel plate of 6-, 7-electroslag welding hole, 8-steel box column bottom wing listrium, 9-steel box column web, 10-steel box column top flange plate, 11-solder fusing zone.
The specific embodiment:
Embodiment sees in Fig. 1～3, this box-type section beam-column node structure, intersect with box girder steel 2 by steel box column 1 and to be welded, the horizontal internal partition 3 of putting more energy into of welding in steel box column, the above-mentioned internal partition 3 of putting more energy into is clipped between the horizontal steel plate by the two block-shaped sizes horizontal steel plate 6 and three identical with cross section in the box post, and the stacked spot welding of steel filler strip 4 interleaved that is positioned at horizontal steel plate both ends forms, the termination, both sides of every block of horizontal steel plate is apart from electroslag welding welded gaps 5 between the box post steel wallboard, welded gaps adopts the welding of electroslag welding penetration, makes the internal partition 3 of putting more energy into integrally welded with steel box column 1.The gross thickness of above-mentioned two blocks of horizontal steel plates is more than or equal to external girder steel edge of a wing thickness.
The welding concrete steps of embodiment one are as follows:
Step 1: horizontal steel plate 6 and three stacked points of steel filler strip 4 interleaved that two block-shaped sizes are identical with cross section in the steel box column 1 are welded into the internal partition 3 of putting more energy into, and between per two steel filler strips 4 and termination, both sides of horizontal steel plate 6 is apart from the reservation electroslag welding welded gaps 5 that forms strip between the steel box column wallboard.
Step 2: referring to Fig. 5, the put more energy into internal partition 3 good group is welded on the steel box column bottom wing listrium 8 by preposition.
Step 3:, steel box column both sides steel box column web 9 and 8 welding of steel box column bottom wing listrium are formed the temporary transient box post that opens wide of one side, the not steely filler strip both sides of the internal partition 3 of will putting more energy into then and the welding of steel box column web 9 full penetrations referring to Fig. 6.
Step 4: referring to Fig. 7, cover steel box column top flange plate 10, and finish the casing welding of box post.
Step 5:,, electroslag welding hole 7 is communicated with electroslag welding welded gaps 5 with respect to electroslag welding welded gaps 5 sidetracking electroslag welding hole 7 outside steel box column two webs 9 referring to Fig. 7.
Step 6: the used scolder of electroslag welding is sent in electroslag welding hole 7 and the electroslag welding welded gaps 5, carried out the electroslag welding welding, form solder fusing zone 11 (referring to Fig. 3).
Step 7: at last at precalculated position welded steel beam 2.
Above-mentioned steps 6 described scolders are welding wire or welded tube.
Embodiment two is seen Fig. 4, and the internal partition 3 of putting more energy into is divided into three blocks of horizontal steel plates 6, has adopted four blocks of steel filler strips 4.
The welding concrete steps of embodiment two are as follows:
Step 1: three horizontal steel plate 6 and four piece steel filler strip 4 interleaved stacked points identical with cross section in the steel box column 1 are welded into the internal partition 3 of putting more energy into, and between per two steel filler strips 4 and termination, both sides of horizontal steel plate 6 is apart from the electroslag welding welded gaps 5 that forms the reservation of strip between the box post steel wallboard.
Step 2: the put more energy into internal partition 3 good group is welded on the steel box column bottom wing listrium 8 by preposition.
Step 3: steel box column both sides steel box column web 9 and the welding of steel box column bottom flange 8 plates are formed the temporary transient box post that opens wide of one side, the not steely filler strip both sides of the internal partition 3 of will putting more energy into then and the welding of column web 9 full penetrations.
Step 4: cover steel box column top flange plate 10, and finish the casing welding of box post.
Step 5:, electroslag welding hole 7 is communicated with the electroslag welding welded gaps of reserving 5 with respect to electroslag welding welded gaps 5 sidetracking electroslag welding hole 7 outside steel box column two webs 9.
Step 6: the used scolder of electroslag welding is sent in electroslag welding hole 7 and the electroslag welding welded gaps 5, carried out the electroslag welding welding.
Step 7: at last at precalculated position welded steel beam 2.
Above-mentioned steps 6 described scolders are welding wire or welded tube.
The bean column node of steel work has cross king post joint, T-shaped king post joint and corner post node etc., the through node of some box-type section members is also arranged in the huge trussed construction, the interior diaphragm of these box-type section members all can adopt the mentioned structure of the present invention, to improve the weldquality of electroslag welding, the convenient making.
Claims (8)
1. box-type section beam-column node structure, intersect with girder steel by steel box column and to be welded, the horizontal internal partition of putting more energy into of welding in steel box column, it is characterized in that: the above-mentioned internal partition of putting more energy into is clipped between the horizontal steel plate by two to three appearance and size horizontal steel plate identical with cross section in the box post and three to four and the stacked spot welding of steel filler strip interleaved that is positioned at horizontal steel plate end forms, the termination, both sides of every block of horizontal steel plate is apart from reserving the electroslag welding welded gaps between the box post steel wallboard, make put more energy into internal partition and steel box column integrally welded by electroslag welding.
2. box-type section beam-column node structure according to claim 1 is characterized in that: the gross thickness of above-mentioned two or three blocks horizontal steel plates and external girder steel edge of a wing thickness are complementary, and get more than or equal to external girder steel edge of a wing thickness.
3. box-type section beam-column node structure according to claim 1 is characterized in that: the welding position of above-mentioned put more energy into internal partition and steel box column is in a side, both sides, three sides or four sides of the internal partition of putting more energy into.
4. according to claim 1 or 2 or 3 described box-type section beam-column node structures, it is characterized in that: above-mentioned box-type section beam-column node is cross king post joint, T-shaped king post joint or corner post node.
5. according to claim 1 or 2 or 3 described box-type section beam-column node structures, it is characterized in that: above-mentioned girder steel is chord member or a web member in the truss.
6. box-type section beam-column node structure according to claim 5 is characterized in that: above-mentioned girder steel is not a box-type section, but H type, T type or hollow circular-tube cross section.
7. the welding method of the described box-type section beam-column node structure of claim 1 is characterized in that:
Step 1: the horizontal steel plate that two block-shaped sizes are identical with cross section in the steel box column and three stacked points of steel filler strip interleaved are welded into the internal partition of putting more energy into, and between per two steel filler strips and the termination, both sides of horizontal steel plate is apart from the reservation electroslag welding welded gaps that forms strip between the steel box column wallboard;
Step 2: the put more energy into internal partition good group is welded on the steel box column bottom wing listrium by preposition;
Step 3: steel box column both sides steel box column web and the welding of steel box column bottom wing listrium are formed the temporary transient box post that opens wide of one side, the not steely filler strip both sides of the internal partition of will putting more energy into then and the welding of column web full penetration;
Step 4: cover the steel box column top flange plate, and finish the casing welding of box post;
Step 5: bore the electroslag welding hole with respect to the electroslag welding welded gaps from steel box column two web outside, the electroslag welding hole is communicated with the electroslag welding welded gaps;
Step 6: the used scolder of electroslag welding is sent in electroslag welding hole and the electroslag welding welded gaps, carried out the electroslag welding welding;
Step 7: at last at the precalculated position welded steel beam.
8. the welding method of the described box-type section beam-column node structure of claim 1 is characterized in that:
Step 1: three blocks of horizontal steel plates identical with cross section in the steel box column and four stacked points of steel filler strip interleaved are welded into the internal partition of putting more energy into, and between per two steel filler strips and the termination, both sides of horizontal steel plate is apart from the reservation electroslag welding welded gaps that forms strip between the box post steel wallboard;
Step 2: the put more energy into internal partition good group is welded on the steel box column bottom wing listrium by preposition;
Step 3: steel box column both sides steel box column web and the welding of steel box column bottom wing listrium are formed the temporary transient paper tinsel type post that opens wide of one side, the not steely filler strip both sides of the internal partition of will putting more energy into then and the welding of column web full penetration;
Step 4: cover the steel box column top flange plate, and finish the casing welding of box post;
Step 5: bore the electroslag welding hole with respect to the electroslag welding welded gaps from steel box column two web outside, the electroslag welding hole is communicated with the electroslag welding welded gaps;
Step 6: the used scolder of electroslag welding is sent in electroslag welding hole and the electroslag welding welded gaps, carried out the electroslag welding welding;
Step 7: at last at the precalculated position welded steel beam.
Priority Applications (1)
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| CNB2006102010427A CN100453750C (en) | 2006-10-30 | 2006-10-30 | Box-type section beam-column node structure and welding method |
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| CNB2006102010427A CN100453750C (en) | 2006-10-30 | 2006-10-30 | Box-type section beam-column node structure and welding method |
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| CN100453750C true CN100453750C (en) | 2009-01-21 |
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| CN103088998A (en) * | 2013-01-31 | 2013-05-08 | 朱宏宇 | Combination palace lattice scaffold and installing and dismantling method thereof |
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