CN103161224A - Rectangular concrete filled steel tubular column - steel beam connection node and construction methods thereof - Google Patents

Rectangular concrete filled steel tubular column - steel beam connection node and construction methods thereof Download PDF

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Publication number
CN103161224A
CN103161224A CN2013100732448A CN201310073244A CN103161224A CN 103161224 A CN103161224 A CN 103161224A CN 2013100732448 A CN2013100732448 A CN 2013100732448A CN 201310073244 A CN201310073244 A CN 201310073244A CN 103161224 A CN103161224 A CN 103161224A
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CN
China
Prior art keywords
dividing plate
steel
flange
girder steel
perforation dividing
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CN2013100732448A
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Chinese (zh)
Inventor
陈志华
罗松
王小盾
周婷
秦颖
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天津大学
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Priority to CN2013100732448A priority Critical patent/CN103161224A/en
Publication of CN103161224A publication Critical patent/CN103161224A/en

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Abstract

The invention belongs to the technical field of architectural structure engineering and relates to a rectangular concrete filled steel tubular column - steel beam connection node. The rectangular concrete filled steel tubular column - steel beam connection node comprises an upper through partition board (3), a lower through partition board (4), a connection board (5) and a high-strength bolt (6). The rectangular concrete filled steel tubular column - steel beam connection node is characterized in that the upper through partition board (3) and the lower through partition board (4) penetrate through the wall of a rectangular concrete filled steel tubular column (1) and are in bevel welding connection with the periphery of the wall, the connection board (5) is connected between the lateral wall of the rectangular concrete filled steel tubular column (1) and a web of a steel beam (2), the lower through partition board (4) is connected with the bottom flange of the steel beam (2) through the high-strength bolt (6), and the upper through partition board (3) is in bevel welding connection with the upper flange of the steel beam (2). The invention further provides two construction methods of the rectangular concrete filled steel tubular column - steel beam connection node. The rectangular concrete filled steel tubular column - steel beam connection node and the construction methods thereof have the advantages that location is fast for site installation, the construction period can be shortened obviously, and the prefabricated construction progress is promoted.

Description

A kind of rectangular steel-tube concrete column-steel beam connecting joint and job practices thereof
Affiliated technical field
The invention belongs to the structural engineering technical field, particularly a kind of rectangular steel-tube concrete column-steel beam connecting joint and preparation method thereof.
Background technology
Encased structures is that fill concrete consists of in steel pipe, the existence of steel pipe can prevent that concrete from ftractureing too early, concrete existence can prevent the too early flexing of steel pipe, both co-operation can be given full play to the high and good advantage of concrete compression performance of steel examining tensile behavior, thus have that bearing capacity is high, many advantages such as plasticity and good toughness, anti-seismic performance are good, remarkable in economical benefits and construction environmental protection.
The concrete-filled rectangular steel tube structure has advantages of that bending rigidity is large, node is easy to connect.And the frame structure system that rectangular steel-tube concrete column and girder steel form, because of characteristics such as layout are flexible, simple in structure, member is easy to standardization, speed of application is fast, cost is low, have good application prospect in high level and super highrise building, now be subject to the generally attention in domestic and international project field.
At present, rectangular steel-tube concrete column-steel beam connecting joint that " the concrete-filled rectangular steel tube structure technology rules " of China (CECS159:2004) are recommended comprises four kinds: the internal partition formula connects, band short beam internal partition formula connects, the board-like connection of outer shroud, the through connection of dividing plate.These nodes remain in following problem:
(1) inner diaphragm joint is because the intra-node welding is more difficult, and the cast of pipe inner concrete is also influenced, often is subject to the restriction of the tubing string length of side in application.In addition, the both sides of steel pipe column same position have respectively flange of beam to weld mutually at this with internal partition, and steel easily produce larger residual stress through twice hot-working, cause near weld seam, brittle fracture occuring easily.Although node self structure meaning makes plastic hinge appear at beam-ends, the stress of commissure is concentrated the development that has affected plastic hinge.
(2) the outer shroud gusset-type joint is due to the construction features of node self, and compliance and flexibility are relatively poor.Node needs enough large horizontal ring flat-plate to guarantee node strength, and steel using amount obviously increases.In addition, the setting of outer ring plate makes the node difficult arrangement that is positioned at edge, has brought unnecessary trouble to architectural design, and indoor bight has salient angle to occur, and affects attractive in appearance
(3) the overhanging dividing plate in the through node of dividing plate up and down blocks shaft, for shaft, certain weakening is arranged, but the integral node section can prefabrication, and work progress is fairly simple, also helps to realize in addition the variation of column cross-section size in highrise building.Form of architecture joints is simple, and is easy to make, interior space flexible arrangement.The stressed post side that directly is passed to of flange of beam, power transmission mechanism is clear and definite, is conducive to the transmission of beam-ends bending and shearing, has reduced the local distortion of steel pipe post jamb, has guaranteed the service behaviour of node.But also exist the welding job amount large, the bottom flange weld seam needs twice welding, and welding quality is difficult for the shortcomings such as assurance.
Weldering mixes connected node to be subjected to weld seam to affect anti-seismic performance relatively poor in view of traditional bolt, and domestic some propose to construct with full bolt joint.Practical engineering experience shows that full bolt joint stress performance is better, has avoided the especially impact of bottom flange weld defect of weld seam.But due to needs processing and construct a large amount of bolts and bolt hole, so cost is very high; And because bolt install to need long overhanging dividing plate, therefore to the bolt machining accuracy, it is very high that on-the-spot beam column is installed positioning accuracy request, in case column inclination or beam can not centerings, construction will be very difficult.
Summary of the invention
The objective of the invention is for the deficiencies in the prior art, connect at dividing plate on the basis of node, provide a kind of construction comparatively quick, the rectangular steel-tube concrete column of more reasonable structure-girder steel dividing plate connects connection and the job practices of node.Technical scheme of the present invention is as follows:
a kind of rectangular steel-tube concrete column-steel beam connecting joint, comprise perforation dividing plate (3), lower perforation dividing plate (4), junction plate (5), high-strength bolt (6), it is characterized in that, upper perforation dividing plate (3), lower perforation dividing plate (4) runs through rectangular steel-tube concrete column (1) post jamb, and be connected with the groove weld seam with the post jamb surrounding, junction plate (5) is connected between rectangular steel-tube concrete column (1) post sidewall and girder steel (2) web, it is characterized in that, lower perforation dividing plate (4) is by the bottom flange of high-strength bolt (6) to girder steel (2), upper perforation dividing plate (3) is connected to the top flange of girder steel (2) by the groove weld seam.
The present invention provides two kinds of job practicess of above-mentioned connected node simultaneously,
A kind ofly be:
1) connect dividing plate (3) and lower perforation dividing plate (4) on the dimensioned according to rectangular steel-tube concrete column (1), in the post side that does not have beam to connect, then by the quadrant arc, dividing plate is transitioned into girder steel wide together;
2) upper connect dividing plate (3) by arc transition arrive with girder steel neat wide after and to overhanging;
3) at the upper prepared screw-bolt hole of lower perforation dividing plate (4), its slightly larger in diameter is in the diameter of high-strength bolt (6), and preformed hole quantity obtains by the calculation of Bending Moment that flange of beam bears;
4) upper perforation dividing plate (3) is connected by the groove weld seam with the post jamb of lower perforation dividing plate (4) with rectangular steel-tube concrete column (1);
5) according to the spacing processing junction plate (5) of upper perforation dividing plate (3) and lower perforation dividing plate (4), junction plate (5) is connected with groove weld seam or fillet weld with the post sidewall;
6) at girder steel (2) bottom flange prepared screw-bolt hole, its slightly larger in diameter is in the diameter of high-strength bolt (6), and preformed hole needs corresponding with lower perforation dividing plate (3) upper hole;
7) at girder steel (2) top flange cutting and fluting, cutting and the same perforation dividing plate of slotting length (3) extension coupling;
8) girder steel (2) is inserted junction plate (5), alignd with upper perforation dividing plate (3) in the top flange of girder steel (2), the bottom flange is positioned on lower perforation dividing plate (4), the web of girder steel (2) is connected 5 with junction plate) connect with high-strength bolt (6), the bottom flange of girder steel (2) connects with high-strength bolt (6) with lower perforation dividing plate (4), the top flange of girder steel (2) and upper perforation dividing plate (3) alignment adopt the groove weld seam to connect.
Another kind is:
1) connect dividing plate (3) and lower perforation dividing plate (4) on the dimensioned according to rectangular steel-tube concrete column (1), in the post side that is not connected with beam, then by the quadrant arc, dividing plate is transitioned into girder steel wide together;
2) upper connect dividing plate (3) by arc transition arrive with girder steel neat wide after and to overhanging;
3) at the upper prepared screw-bolt hole of lower perforation dividing plate (4), its slightly larger in diameter is in the diameter of high-strength bolt (6), and preformed hole quantity obtains by the calculation of Bending Moment that flange of beam bears;
4) upper perforation dividing plate (3) is connected by the groove weld seam with the post jamb of lower perforation dividing plate (4) with rectangular steel-tube concrete column (1);
5) according to the spacing processing junction plate (5) of upper perforation dividing plate (3) and lower perforation dividing plate (4), junction plate (5) is connected with groove weld seam or fillet weld with the post sidewall;
6) at girder steel (2) bottom flange prepared screw-bolt hole, its slightly larger in diameter is in the diameter of high-strength bolt (6), and preformed hole needs corresponding with lower perforation dividing plate (3) upper hole;
7) at girder steel (2) top flange cutting and fluting, cutting and the same perforation dividing plate of slotting length (3) extension coupling;
8) girder steel (2) is inserted junction plate (5), alignd with upper perforation dividing plate (3) in the top flange of girder steel (2), the bottom flange is positioned on lower perforation dividing plate (4), the web of girder steel (2) is connected 5 with junction plate) connect with high-strength bolt (6), the bottom flange of girder steel (2) connects with high-strength bolt (6) with lower perforation dividing plate (4), the top flange of girder steel (2) and upper perforation dividing plate (3) alignment adopt the groove weld seam to connect.
On lower bolt, weldering mixes connection to node provided by the invention owing to adopting, and the bottom flange is by being connected with the lower clapboard high-strength bolt, and on-the-spot installation in position is fast, obviously the reduction of erection time, promotes the assemblingization process; Upper spacer is the weld seam welding together with the scene is adopted in the top flange, reducing full bolt connects because of post tilt or misalign the hard problem in place that brings, the installation of roofing floor is convenient in the upper surface absolute altitude unification of upper spacer and top flange, realized the purpose of easy construction, and too much junction plate need be set, simple structure, power transmission is clear and definite; Simultaneously, owing to having adopted perforation dividing plate node, can realize the requirement of beam-ends plastic hinge, make the destruction of girder steel prior to the destruction of node, guarantee the safety of node, reach the requirements for fortification against earthquake of " strong node, weak member ".Particularly, beneficial effect is as follows:
1) this node due to the existence that connects dividing plate, has increased the rigidity of node area, makes plastic hinge, and the destruction of girder steel has been realized the antidetonation criterion of " the weak member of strong node " early than the destruction of node.
2) the perforation dividing plate of this node and post jamb adopt the groove weldering, have avoided the repeatedly welding of post jamb, and the stress that has reduced post jamb is concentrated and fragility, has improved the ductility of nodes domains.
3) this node bottom flange employing high-strength bolt connects, and the workload of Site Welding reduces, and has saved manpower, improved efficiency of construction, connect the dividing plate extension large, be connected with the girder steel bottom flange by high-strength bolt, girder steel hogging moment area supporting capacity is greatly strengthened; Avoided simultaneously the adverse effect of bottom flange weld defect, effectively prevented from welding the stress that brings and concentrate, good anti-seismic performance is provided.
4) top flange adopts the groove weld seam to be connected with upper perforation dividing plate, has reduced full bolt and has connected due to the post inclination or the risk that girder steel that construction error brings can't be in place such as misalign, and reduces precision sensitiveness, has accelerated installation rate.
5) this node can pass through girder steel bottom flange and lower clapboard link position relationship change, forms the node of multiple different connected modes, can satisfy different engineerings to the requirement of joint behavior and node construction mode.
6) this node junction plate is less, simple structure, and power transmission is clear and definite, and is easy to process, shortened the duration, reduced cost at links.
Description of drawings
Fig. 1: embodiment one lateral view;
Fig. 2: embodiment one 1-1 sectional drawing;
Fig. 3: embodiment one 2-2 sectional drawing;
Fig. 4: embodiment two lateral views;
Fig. 5: embodiment two 3-3 sectional drawings;
Fig. 6: embodiment two 4-4 sectional drawings;
The specific embodiment
The present invention will be described below in conjunction with the embodiment of accompanying drawing.
The present invention proposes to weld on bolt under a kind of rectangular steel-tube concrete column-girder steel dividing plate and connects connected node, consists of the following components: rectangular steel-tube concrete column, girder steel, upper perforation dividing plate, lower perforation dividing plate, junction plate and high-strength bolt.The present invention has two kinds of principal modes, and its implementation is as follows:
1, for embodiment one:
Referring to Fig. 1, Fig. 2, Fig. 3, rectangular steel-tube concrete column 1, girder steel 2, upper perforation dividing plate 3, lower perforation dividing plate 4, junction plate 5, high-strength bolt 6, wherein, upper perforation dividing plate 3, lower perforation dividing plate 4 run through rectangular steel-tube concrete column 1 post jamb, and be connected with the groove weld seam with steel pipe post jamb surrounding, junction plate 5 and the welding of post sidewall, girder steel 2 webs are connected with junction plate 5 bolts, the bottom flange is connected with lower perforation dividing plate 4 use high-strength bolts 6, and the top flange is connected with upper perforation dividing plate 3 use groove weld seams.
In above-mentioned beam-column connection, the rectangular steel pipe of rectangular steel-tube concrete column 1 is welding steel, docking channel-section steel or cold-bent pipe.
Girder steel 2 is H section steel beam or steel I-beam.
Concrete is ordinary concrete, high-strength concrete or self-compacting concrete.
Junction plate 5 adopts groove weld seam or fillet weld to be connected with the post sidewall.
The present embodiment is when concrete the use, and implementation process is:
1) according to connecting dividing plate 3 and lower perforation dividing plate 4 on the dimensioned of rectangular steel-tube concrete column 1, in the post side that is not connected with beam, the desirable 50mm of dividing plate extension, the post side that is being connected with beam, the at first overhanging 100mm of dividing plate, then be the quadrant arc of 60mm by radius, dividing plate be transitioned into girder steel wide together;
2) the upper dividing plate 3 that connects arrives and the neat wide rear overhanging 40mm of girder steel by arc transition;
3) prepared screw-bolt hole on lower perforation dividing plate 4, its slightly larger in diameter is in the diameter of high-strength bolt 6, and preformed hole quantity obtains by the calculation of Bending Moment that flange of beam bears;
4) upper perforation dividing plate 3 is connected by the groove weld seam with the post jamb of rectangular steel-tube concrete column 1 with lower perforation dividing plate 4;
5) according to the spacing processing junction plate 5 of upper perforation dividing plate 3 and lower perforation dividing plate 4, junction plate 5 is connected with groove weld seam or fillet weld with the post sidewall;
6) at girder steel 2 bottom flange prepared screw-bolt holes, its slightly larger in diameter is in the diameter of high-strength bolt 6, and preformed hole needs corresponding with hole on lower perforation dividing plate 3;
7) at girder steel 2 top flange cutting and flutings, the same perforation dividing plate 3 extension couplings of cutting and slotting length;
8) girder steel 2 is inserted junction plate 5, alignd with upper perforation dividing plate 3 in the top flange of girder steel 2, the bottom flange is positioned on lower perforation dividing plate 4, the web of girder steel 2 is connected with junction plate with high-strength bolt 6 connections, the bottom flange of girder steel 2 connects with lower perforation dividing plate 4 use high-strength bolts 6, the top flange of girder steel 2 and 3 alignment of upper perforation dividing plate adopt the groove weld seam to connect.
2, for embodiment two:
Referring to Fig. 4, Fig. 5, Fig. 6, rectangular steel-tube concrete column 1, girder steel 2, upper perforation dividing plate 3, lower perforation dividing plate 4, junction plate 5, high-strength bolt 6, wherein, upper perforation dividing plate 3, lower perforation dividing plate 4 run through rectangular steel-tube concrete column 1 post jamb, and be connected with the groove weld seam with steel pipe post jamb surrounding, junction plate 5 and the welding of post sidewall, girder steel 2 webs are connected with junction plate 5 bolts, the bottom flange is connected with lower perforation dividing plate 4 use high-strength bolts 6, and the top flange is connected with upper perforation dividing plate 3 use groove weld seams.
In above-mentioned beam-column connection, the rectangular steel pipe of rectangular steel-tube concrete column 1 is welding steel, docking channel-section steel or cold-bent pipe.
Girder steel 2 is H section steel beam or steel I-beam.
Concrete is ordinary concrete, high-strength concrete or self-compacting concrete.
Junction plate 5 adopts groove weld seam or fillet weld to be connected with the post sidewall.
The present embodiment is when concrete the use, and implementation process is:
1) according to connecting dividing plate 3 and lower perforation dividing plate 4 on the dimensioned of rectangular steel-tube concrete column 1, in the post side that is not connected with beam, the desirable 50mm of dividing plate extension, the post side that is being connected with beam, the at first overhanging 100mm of dividing plate, then dividing plate sponson taper in width, be transitioned into girder steel dividing plate wide together in the end;
2) the upper at first overhanging 100mm of dividing plate 3 that connects, then the spacer width convergent be transitioned into girder steel wide together, convergent length 100mm;
3) prepared screw-bolt hole on lower perforation dividing plate 4, its slightly larger in diameter is in the diameter of high-strength bolt 6, and preformed hole quantity obtains by the calculation of Bending Moment that flange of beam bears;
4) upper perforation dividing plate 3 is connected by the groove weld seam with the post jamb of rectangular steel-tube concrete column 1 with lower perforation dividing plate 4;
5) according to the spacing processing junction plate 5 of upper perforation dividing plate 3 and lower perforation dividing plate 4, junction plate 5 is connected with groove weld seam or fillet weld with the post sidewall;
6) at girder steel 2 bottom flange prepared screw-bolt holes, its slightly larger in diameter is in the diameter of high-strength bolt 6, and preformed hole needs corresponding with hole on lower perforation dividing plate 3;
7) at girder steel 2 middle part, bottom flange flutings, groove depth needs with the bolt hole position and inserts junction plate degree of depth coupling.
8) top flange is cut and slot in girder steel 2 top flanges, the same perforation dividing plate 3 extensions of cutting and slotting length are mated;
Girder steel 2 is inserted junction plate 5, alignd with upper perforation dividing plate 3 in the top flange of girder steel 2, the bottom flange is positioned under lower perforation dividing plate 4, the web of girder steel 2 is connected with junction plate with high-strength bolt 6 connections, the bottom flange of girder steel 2 connects with lower perforation dividing plate 4 use high-strength bolts 6, the top flange of girder steel 2 and 3 alignment of upper perforation dividing plate adopt the groove weld seam to connect.

Claims (3)

1. rectangular steel-tube concrete column-steel beam connecting joint, comprise perforation dividing plate (3), lower perforation dividing plate (4), junction plate (5), high-strength bolt (6), it is characterized in that, upper perforation dividing plate (3), lower perforation dividing plate (4) runs through rectangular steel-tube concrete column (1) post jamb, and be connected with the groove weld seam with the post jamb surrounding, junction plate (5) is connected between rectangular steel-tube concrete column (1) post sidewall and girder steel (2) web, it is characterized in that, lower perforation dividing plate (4) is by the bottom flange of high-strength bolt (6) to girder steel (2), upper perforation dividing plate (3) is connected to the top flange of girder steel (2) by the groove weld seam.
2. the job practices of a connected node claimed in claim 1 comprises:
1) connect dividing plate (3) and lower perforation dividing plate (4) on the dimensioned according to rectangular steel-tube concrete column (1), in the post side that does not have beam to connect, then by the quadrant arc, dividing plate is transitioned into girder steel wide together;
2) upper connect dividing plate (3) by arc transition arrive with girder steel neat wide after and to overhanging;
3) at the upper prepared screw-bolt hole of lower perforation dividing plate (4), its slightly larger in diameter is in the diameter of high-strength bolt (6), and preformed hole quantity obtains by the calculation of Bending Moment that flange of beam bears;
4) upper perforation dividing plate (3) is connected by the groove weld seam with the post jamb of lower perforation dividing plate (4) with rectangular steel-tube concrete column (1);
5) according to the spacing processing junction plate (5) of upper perforation dividing plate (3) and lower perforation dividing plate (4), junction plate (5) is connected with groove weld seam or fillet weld with the post sidewall;
6) at girder steel (2) bottom flange prepared screw-bolt hole, its slightly larger in diameter is in the diameter of high-strength bolt (6), and preformed hole needs corresponding with lower perforation dividing plate (3) upper hole;
7) at girder steel (2) top flange cutting and fluting, cutting and the same perforation dividing plate of slotting length (3) extension coupling;
8) girder steel (2) is inserted junction plate (5), alignd with upper perforation dividing plate (3) in the top flange of girder steel (2), the bottom flange is positioned on lower perforation dividing plate (4), the web of girder steel (2) is connected 5 with junction plate) connect with high-strength bolt (6), the bottom flange of girder steel (2) connects with high-strength bolt (6) with lower perforation dividing plate (4), the top flange of girder steel (2) and upper perforation dividing plate (3) alignment adopt the groove weld seam to connect.
3. the job practices of a connected node claimed in claim 1 comprises:
1) connect dividing plate (3) and lower perforation dividing plate (4) on the dimensioned according to rectangular steel-tube concrete column (1), in the post side that is not connected with beam, then by the quadrant arc, dividing plate is transitioned into girder steel wide together;
2) upper connect dividing plate (3) by arc transition arrive with girder steel neat wide after and to overhanging;
3) at the upper prepared screw-bolt hole of lower perforation dividing plate (4), its slightly larger in diameter is in the diameter of high-strength bolt (6), and preformed hole quantity obtains by the calculation of Bending Moment that flange of beam bears;
4) upper perforation dividing plate (3) is connected by the groove weld seam with the post jamb of lower perforation dividing plate (4) with rectangular steel-tube concrete column (1);
5) according to the spacing processing junction plate (5) of upper perforation dividing plate (3) and lower perforation dividing plate (4), junction plate (5) is connected with groove weld seam or fillet weld with the post sidewall;
6) at girder steel (2) bottom flange prepared screw-bolt hole, its slightly larger in diameter is in the diameter of high-strength bolt (6), and preformed hole needs corresponding with lower perforation dividing plate (3) upper hole;
7) at girder steel (2) top flange cutting and fluting, cutting and the same perforation dividing plate of slotting length (3) extension coupling;
8) girder steel (2) is inserted junction plate (5), alignd with upper perforation dividing plate (3) in the top flange of girder steel (2), the bottom flange is positioned on lower perforation dividing plate (4), the web of girder steel (2) is connected 5 with junction plate) connect with high-strength bolt (6), the bottom flange of girder steel (2) connects with high-strength bolt (6) with lower perforation dividing plate (4), the top flange of girder steel (2) and upper perforation dividing plate (3) alignment adopt the groove weld seam to connect.
CN2013100732448A 2013-03-07 2013-03-07 Rectangular concrete filled steel tubular column - steel beam connection node and construction methods thereof CN103161224A (en)

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CN103526829A (en) * 2013-10-30 2014-01-22 国家电网公司 Connection assembly of square steel column and I-shaped steel beam
CN103967133A (en) * 2014-04-18 2014-08-06 天津大学 Stud welding mixed connection node of rectangular concrete filled steel tubular column and H-shaped steel girder
CN104234181A (en) * 2013-12-26 2014-12-24 福建鑫晟钢业有限公司 Steel building product and combination method thereof
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CN105863079A (en) * 2016-05-20 2016-08-17 西安建筑科技大学 Through clapboard-type multi-chamber concrete filled steel tube combination column and steel beam joint and assembly method thereof
CN106168055A (en) * 2016-07-01 2016-11-30 天津大学 The edge of a wing, rectangular steel-tube concrete column H profile steel Liangping external rib circular board node
CN107386463A (en) * 2017-08-30 2017-11-24 天津大学 A kind of lower logical upper link point
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CN103526829A (en) * 2013-10-30 2014-01-22 国家电网公司 Connection assembly of square steel column and I-shaped steel beam
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CN103967133A (en) * 2014-04-18 2014-08-06 天津大学 Stud welding mixed connection node of rectangular concrete filled steel tubular column and H-shaped steel girder
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CN104912196A (en) * 2015-06-15 2015-09-16 山东建筑大学 Connection joint of concrete filled steel tubular column and enclosed U-shaped steel concrete composite beam
CN104912197A (en) * 2015-06-15 2015-09-16 山东建筑大学 Connecting node for steel pipe concrete post and outside U-shaped steel and concrete composite beam
CN105464221A (en) * 2015-12-28 2016-04-06 天津大学 Partition plate penetrating node for connecting rectangular steel tube concrete column with box-shaped steel beam
CN105863082A (en) * 2016-05-20 2016-08-17 西安建筑科技大学 T-shaped through clapboard-type multi-chamber concrete filled steel tube combination column and steel beam joint and assembly method thereof
CN105863079A (en) * 2016-05-20 2016-08-17 西安建筑科技大学 Through clapboard-type multi-chamber concrete filled steel tube combination column and steel beam joint and assembly method thereof
CN106168055A (en) * 2016-07-01 2016-11-30 天津大学 The edge of a wing, rectangular steel-tube concrete column H profile steel Liangping external rib circular board node
CN107386463A (en) * 2017-08-30 2017-11-24 天津大学 A kind of lower logical upper link point
CN110206146A (en) * 2019-05-31 2019-09-06 西安建筑科技大学 A kind of connecting node of square tubing string and H profile steel beam

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Application publication date: 20130619