CN109457804A - A kind of recoverable assembled beam-column connecting node of function and construction method - Google Patents
A kind of recoverable assembled beam-column connecting node of function and construction method Download PDFInfo
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- CN109457804A CN109457804A CN201811557874.1A CN201811557874A CN109457804A CN 109457804 A CN109457804 A CN 109457804A CN 201811557874 A CN201811557874 A CN 201811557874A CN 109457804 A CN109457804 A CN 109457804A
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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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- 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
- E04B2001/2406—Connection nodes
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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
- E04B2001/2418—Details of bolting
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The recoverable assembled beam-column connecting node of a kind of function provided by the invention, the end of H-type short beam is connected on the edge of a wing of H-type column, H-type short beam and the long beam coaxial arrangement of H-type, splice sections are provided on H-type short beam and the long beam of H-type, the splice sections of H-type short beam are connect with the splice sections of the long beam of H-type by clamp device；Clamp device includes angle steel, gusset plate and bolt；Gusset plate is tightly attached to the outside of H-type short beam and the H-type long beam splice sections edge of a wing；The web of the web of H-type short beam and the junction on the edge of a wing and the long beam of H-type and the junction on the edge of a wing is arranged in angle steel；The edge of a wing of H-type short beam and the edge of a wing of the long beam of H-type are bolted with angle steel and gusset plate respectively, and angle steel of the web of the long beam of web and H-type of H-type short beam respectively with its two sides is bolted.The connecting joint structure is simple, easy for construction, it can be achieved that plastic hinge, energy consumption and replaceable " three-in-one " purpose.
Description
Technical field
The invention belongs to building engineering fields, and in particular to a kind of recoverable assembled beam-column connecting node of function and apply
Work method.
Background technique
Assembling type steel structure building is the component by factory process, is then spliced at the scene by bolt, has and applies
Work is quick, reduces labor intensity, reduces the advantages such as construction pollution, is the green building in life cycle management.
In recent years, country is repeatedly intensive puts into effect the policy requirements for promoting building industrialization.The development of Building Trade in China carries out
Structural adjustment and transition and upgrade start to develop to directions such as green, industrialization and informationizations, be attached most importance to developing assembled architecture
The novel building of point, which industrializes, to be paid attention to.Bean column node is the key that entire prefabricated assembled frame place, effectively reliable
Connection type and it is easy for construction be to guarantee the premise that works normally safely of fabricated construction.Node occurs crisp when to avoid earthquake
Property destroy, the measure often taken at present is by plastic hinge, or setting dissipative member establishes twice defence line, guarantees node with this
Safety.But this way purpose is relatively simple, fails effectively to melt plastic hinge, energy consumption and the theories such as replaceable
It is combined, therefore is difficult to realize the high performance structures target of real meaning.
Summary of the invention
Aiming at the problems existing in the prior art, the present invention provides a kind of recoverable assembled beam-column connection section of function
Point, structure is simple, easy for construction, it can be achieved that plastic hinge, energy consumption and replaceable " three-in-one " purpose.
The present invention is to be achieved through the following technical solutions:
A kind of recoverable assembled beam-column connecting node of function, including H-type column, H-type short beam and the long beam of H-type；
Wherein, the end of H-type short beam is connected on the edge of a wing of H-type column, and H-type short beam and the long beam coaxial arrangement of H-type, H-type are short
Splice sections are provided on beam and the long beam of H-type, the splice sections of H-type short beam are connect with the splice sections of the long beam of H-type by clamp device；
Clamp device includes angle steel, gusset plate and bolt；Gusset plate is tightly attached to H-type short beam and the H-type long beam splice sections edge of a wing
Outside；The web of the web of H-type short beam and the junction on the edge of a wing and the long beam of H-type and the junction on the edge of a wing is arranged in angle steel；
The edge of a wing of H-type short beam and the edge of a wing of the long beam of H-type are bolted with angle steel and gusset plate respectively, H-type short beam
Angle steel of the web of web and the long beam of H-type respectively with its two sides is bolted.
Optionally, the bolt hole in the angle steel, gusset plate, H-type short beam splice sections and the long beam splice sections of H-type is bar shaped
The length direction in hole, strip-shaped hole is identical as the extending direction of H-type short beam.
Optionally, there is splicing gap between the H-type short beam splice sections and the long beam splice sections of H-type.
Optionally, the length in the splicing gap is 20mm.
Optionally, the length of the long beam splice sections of the H-type short beam splice sections and H-type is identical.
Optionally, the plasticity for bearing deformation is provided in the H-type short beam splice sections and the long beam splice sections of H-type
Area, plastic zone are separately positioned on the web end of H-type short beam and the web end of the long beam of H-type.
Optionally, the plastic zone is the V-groove for extending vertically through web, U-type groove or semicircle type groove.
Optionally, the bolt is frictional high-strength bolts.
The present invention also provides a kind of construction method of above-mentioned recoverable assembled beam-column connecting node of function, features
It is, includes the following steps；
Step 1 uses full welding manner to connect H-type short beam on the edge of a wing of H-type column, and H-type column is at right angles set with H-type short beam
It sets；
Two ribbed stiffeners being parallel to each other, two ribbed stiffener difference are respectively welded in the web two sides of H profile steel column in step 2
It is generally aligned in the same plane with two edges of a wing of H-type short beam；
Step 3 prepares gusset plate and angle steel, and opens up bar shaped bolt hole on gusset plate and angle steel, the length of strip-shaped hole
The extending direction of direction H-type short beam is identical；
Open up the bar shaped bolt to match with gusset plate and angle steel respectively on the edge of a wing of H-type short beam splice sections and web
Hole；It opens up the bar shaped bolt hole to match with gusset plate and angle steel respectively on the edge of a wing of the long beam splice sections of H-type and web, and divides
Plastic zone is not opened up in H-type short beam splice sections and the long beam splice sections of H-type；
Step 4, right angle setting is in place at the construction field (site) for the H profile steel column for obtaining step 3, is then lifted to the long beam of H-type
Predetermined position, and splicing gap is reserved between H-type short beam and the long beam of H-type；
Step 5 installs gusset plate on the outside of the edge of a wing of H-type short beam and the edge of a wing of the long beam of H-type, and in the web of H-type short beam
With angle steel is installed at the node of the web and the edge of a wing of the junction on the edge of a wing and the long beam of H-type, using bolt by gusset plate, the edge of a wing and angle
Steel connection, and web is connected with the manomelia of its two sides angle steel；
Step 6, the pretightning force for adjusting bolt.
Compared with prior art, the invention has the following beneficial technical effects:
The recoverable assembled beam-column connecting node of a kind of function provided by the invention, by H-type short beam and H-type column by
Factory's welding, improves welding quality；Angle steel, the size of gusset plate, the number of bolt and arrangement are according to uniform strength design principle
It determines, ensure that the intensity and bearing capacity of node；Web aperture is weakened in splice sections simultaneously, makes the deformation master of node
Plastic zone is concentrated on, so that weld be avoided brittle break occur, meets the design requirement of " strong column and weak beam "；Secondly, angle steel
It is detachable and interchangeable after being damaged with gusset plate, it is quickly repaired after achieving the purpose that shake.
Further, twice ribbed stiffener is welded in the web two sides of H-type column, with the Aseismic Design of guarantee " the strong weak component of node "
It is required that.
Further, angle steel, gusset plate and H-type beam all use high-strength friction bolt connection in splice sections, so as to reality
Existing prefabricated construction.
Further, bolt hole is slotted hole, slot reservation 20mm between short beam and the splicing of long beam, when guaranteeing big shake the edge of a wing with
Angle steel has the space of sliding between connecting with gusset plate three, realize friction energy-dissipating, reduces eaerthquake damage.
The construction method ensure that welding quality, while each since H-type column and H-type short beam carry out full weldering in factory and connect
The aperture of the bolt hole and web of component is completed in factory, ensure that dimensional accuracy；Prefabricated profiled all parts are transported
It send to scene, is then spliced by high-strength bolt, to improve construction efficiency.
Detailed description of the invention
Fig. 1 is the main view of connecting node of the present invention；
Fig. 2 is the top view of connecting node of the present invention；
Fig. 3 is the right view of connecting node of the present invention.
In figure: 1, H-type column；1-1, the column edge of a wing；1-2, column web；2, H-type short beam；2-1, the short beam edge of a wing；2-2, short beam abdomen
Plate；3, the long beam of H-type；3-1, long flange of beam；3-2, long web；4, angle steel；5, gusset plate；6, bolt；7, ribbed stiffener；8, web
Aperture；9, splice gap.
Specific embodiment
Present invention will be described in further detail below with reference to the accompanying drawings, described to be explanation of the invention rather than limit
It is fixed.
As shown in Figure 1 to Figure 3, the recoverable assembled beam-column connecting node of a kind of function, including H profile steel column 1, H profile steel
The long beam 3 of short beam 2, H profile steel, angle steel 4 and gusset plate 5；
Wherein, H-type short beam 2 is connected on the column edge of a wing 1-1 of H profile steel column 1 by full welding manner, H profile steel column 1 and H-type
Short beam 2 is arranged at right angle.
The two sides column web 1-2 of H profile steel column 1 are welded with twice transverse stiffener 7, the wing of ribbed stiffener 7 and H-type short beam 2 respectively
Edge 2-1 is generally aligned in the same plane.By welding twice ribbed stiffener at position corresponding with 2 edge of a wing of H-type short beam on H profile steel column 1,
Meet the Seismic Design Requirements of " the strong weak component of node ".
The other end of H-type short beam 2 connects the long beam 3 of H profile steel by fastening structure；Clamp device includes angle steel 4, gusset plate 5
With bolt 6.
There is one section of isometric splice sections respectively on H-type short beam 2 and the long beam 3 of H profile steel, gusset plate 5 is tightly attached to H-type short beam 2 and H
The outside on the long 3 splice sections edge of a wing of beam of type；The abdomen of the web of H-type short beam 2 and the junction on the edge of a wing and the long beam 3 of H-type is arranged in angle steel 4
The junction of plate and the edge of a wing.
Gusset plate 5 is provided with two rows of bolt hole groups, and every row's bolt hole group is used to connect the long limb an of angle steel 4, every row's spiral shell
Keyhole group includes multiple uniformly distributed bolts hole；Multiple bolts hole, and multiple spiral shells with gusset plate 5 are provided on the long limb of angle steel 4
The size of keyhole is consistent with position, and multiple bolts hole are provided on the manomelia of angle steel 4, for connecting short beam web 2-2 and length
Web 3-2.
The long limb of the gusset plates 5 of H-type short beam splice ends, short beam edge of a wing 2-1 and angle steel 4 is fastened by bolt 6, the long beam 3 of H-type
The long limb of the gusset plate 5 of splice ends, long flange of beam 3-1 and angle steel 4 is fastened by bolt 6, so realize short beam edge of a wing 2-1 and
The connection of long flange of beam 3-1.
The manomelia of the angle steel 4 of the two sides H-type short beam web 2-2 is fastened by bolt 6, the long web of the long beam splice ends of H-type
The manomelia of the angle steel 4 of the two sides 3-2 is fastened by bolt 6, and then realizes the connection of short beam web 2-2 and long web 3-2.
Above-mentioned bolt hole is slotted hole, and the size of bolt hole is greater than the diameter of screw rod, so that bolt is existed using slotted hole
With certain slipping space when big shake；The contact surface of gusset plate 5 and angle steel 4 and H-type short beam and the long fine strain of millet edge of a wing of H-type in big shake
It slides and friction energy-dissipating can be achieved, dissipate seismic energy during sliding, reduces eaerthquake damage.
Bolt 6 is frictional high-strength bolts.
Splicing segment length on the long beam 3 of H-type short beam 2 and H profile steel is identical, the splice ends on H-type short beam 2 and the long beam 3 of H profile steel
Between be provided with splicing gap 9, splicing gap 9 length be 20mm.
It is provided with semicircle orifice on H-type short beam 2 and the web of long 3 stitching portion of beam of H profile steel, is cut by carrying out aperture to web
It is weak, so that the deformation of node is concentrated on the plastic zone of design, thus avoid beam-ends weld from brittle break occur far from styletable, it is full
The design requirement of foot " strong column and weak beam ".
A kind of principle of recoverable assembled beam-column connecting node of application is described in detail below.To steel section
For point, when earthquake occurs, is often destroyed at first at weakness or stress least favorable, then expands to entire node,
Finally make node failure.Since welding quality is difficult to ensure, weak link is usually located at weld, and the connection of Liang Yuzhu
It is again complex to locate stress condition, stress is also maximum, therefore when beam-to-column joint is in by earthquake is easy to that brittle break occurs.
For this purpose, the present invention avoids bean column node that brittle break occurs using following technological means: firstly, short beam and column are welded in factory,
Welding quality is improved, welding defect is reduced, avoids becoming weak link；Secondly, being welded with twice lateral stiffening in column web two sides
Rib increases the intensity of node with this；Then, web aperture is weakened, weak link is made to come across this.Its thought is exactly:
On the one hand while being improved and being reinforced to node, on the other hand but beam is weakened, to make Liang Xianfa when earthquake
Raw destruction, the i.e. Seismic Design Thought of " the strong weak component of node ".
Stress energy consumption process: since web aperture weakens, Internal Force Redistribution will occur at node, maximum stress will be by beam
Column weld, which is transferred to, weakens area, further generates plastic deformation.Under geological process, the energy consumption such as angle steel and gusset plate of stitching portion
Part can participate in consuming energy in advance, after part surrender of consuming energy, carry out dismounting and change, restore energy dissipation capacity.
It is detailed to a kind of construction method progress of recoverable assembled beam-column connecting node provided by the present application below
It illustrates, includes the following steps；
Step 1, in factory by the column edge of a wing of the short beam edge of a wing 2-1 of 2 one end of H-type short beam and short beam web 2-2 and H-type column 1
1-1 is welded entirely；
Two ribbed stiffeners being parallel to each other 7 are respectively welded in the two sides column web 1-2 of H profile steel column 1 in step 2, and two are put more energy into
Rib 7 is generally aligned in the same plane with two short beam edge of a wing 2-1 of H-type short beam 2 respectively；
Step 3, stitching portion are determined angle steel 4, the size of gusset plate 5, the number of bolt 6 and cloth by uniform strength design principle
It sets；
Opened up on the long flange of beam of the short beam edge of a wing of 2 splice sections of H-type short beam and long 3 splice sections of beam of H-type with gusset plate and
The consistent slotted hole of the long limb of angle steel；In the long web of long 3 splice sections of beam of the short beam web and H-type of 2 splice sections of H-type short beam
On open up the slotted hole consistent with the manomelia of angle steel, and on the web of splice sections aperture weaken so that plastic hinge occur
In this；
Step 4, right angle setting is in place at the construction field (site) for the H profile steel column 1 for obtaining step 2, is then lifted to the long beam of H-type
Predetermined position, both height identical as H-type short beam 2, and the reserved splicing gap 9 between H-type short beam 2 and the long beam 3 of H-type；
Step 5 installs gusset plate 5 on the outside of the long flange of beam of the short beam edge of a wing of H-type short beam 2 and the long beam 3 of H-type, and every
Angle steel 4 is installed in the junction and long flange of beam of a short beam edge of a wing and short beam web and the junction of long web, will using bolt 6
Gusset plate is connected with the long limb of angle steel, and the manomelia of two angle steel is connected；The splicing of H-type short beam 2 and the long beam 3 of H-type is completed,
Step 6, the size for adjusting 6 pretightning force of bolt.
The construction method ensure that welding quality, while each since H-type column and H-type short beam carry out full weldering in factory and connect
The aperture of the bolt hole and web of component is completed in factory, ensure that dimensional accuracy；Prefabricated profiled all parts are transported
It send to scene, is then spliced by high-strength bolt, to improve construction efficiency.
The above content is merely illustrative of the invention's technical idea, and this does not limit the scope of protection of the present invention, all to press
According to technical idea proposed by the present invention, any changes made on the basis of the technical scheme each falls within claims of the present invention
Protection scope within.
Claims (9)
1. a kind of recoverable assembled beam-column connecting node of function, which is characterized in that including H-type column (1), H-type short beam (2) and
The long beam of H-type (3)；
Wherein, the end of H-type short beam (2) is connected on the edge of a wing of H-type column (1), and H-type short beam (2) and the long beam of H-type (3) are coaxially set
It sets, splice sections, the splice sections of H-type short beam (2) and the spelling of the long beam of H-type (3) is provided on H-type short beam (2) and the long beam of H-type (3)
Section is connect to connect by clamp device；
Clamp device includes angle steel (4), gusset plate (5) and bolt (6)；Gusset plate (5) is tightly attached to H-type short beam (2) and the long beam of H-type
(3) outside on the splice sections edge of a wing；The both ends of angle steel (4) are separately positioned on the web of H-type short beam (2) and junction and the H on the edge of a wing
The web of the long beam of type (3) and the junction on the edge of a wing；
The edge of a wing of H-type short beam and the edge of a wing of the long beam of H-type are connect with angle steel (4) and gusset plate (5) by bolt (6) respectively, and H-type is short
The web of the long beam of web and H-type of beam is connect with the angle steel of its two sides (4) by bolt (6) respectively.
2. the recoverable assembled beam-column connecting node of function according to claim 1, which is characterized in that the angle steel (4),
Bolt hole in gusset plate (5), H-type short beam (2) splice sections and the long beam of H-type (3) splice sections is strip-shaped hole, the length of strip-shaped hole
Direction is identical as the extending direction of H-type short beam.
3. the recoverable assembled beam-column connecting node of function according to claim 1, which is characterized in that the H-type short beam
(2) there are splicing gap (9) between splice sections and the long beam of H-type (3) splice sections.
4. the recoverable assembled beam-column connecting node of function according to claim 3, which is characterized in that the splicing gap
(9) length is 20mm.
5. the recoverable assembled beam-column connecting node of function according to claim 1, which is characterized in that the H-type short beam
(2) length of the long beam of splice sections and H-type (3) splice sections is identical.
6. the recoverable assembled beam-column connecting node of function according to claim 1, which is characterized in that the H-type short beam
(2) plastic zone for bearing deformation is provided in splice sections and the long beam of H-type (3) splice sections, plastic zone is separately positioned on H-type
The web end of short beam (2) and the web end of the long beam of H-type (3).
7. the recoverable assembled beam-column connecting node of function according to claim 6, which is characterized in that the plastic zone is
Extend vertically through V-groove, U-type groove or the semicircle type groove of web.
8. the recoverable assembled beam-column connecting node of function according to claim 1, which is characterized in that the bolt is to rub
Wiping type high-strength bolt.
9. a kind of construction method of any one of claim 1 to 8 recoverable assembled beam-column connecting node of function, special
Sign is, includes the following steps；
Step 1 uses full welding manner to connect H-type short beam (2) on the edge of a wing of H-type column (1), H-type column (1) and H-type short beam (2)
At right angles setting；
Two ribbed stiffeners being parallel to each other (7), two ribbed stiffeners (7) are respectively welded in the web two sides of H profile steel column (1) in step 2
It is generally aligned in the same plane respectively with two edges of a wing of H-type short beam (2)；
Step 3 prepares gusset plate (5) and angle steel (4), and opens up bar shaped bolt hole on gusset plate and angle steel, the length of strip-shaped hole
The extending direction for spending direction H-type short beam is identical；
The bar shaped bolt hole to match with gusset plate and angle steel is opened up respectively on the edge of a wing of H-type short beam (2) splice sections and web；
It opens up the bar shaped bolt hole to match with gusset plate and angle steel respectively on the edge of a wing of the long beam of H-type (3) splice sections and web, and divides
Plastic zone is not opened up in H-type short beam (2) splice sections and the long beam of H-type (3) splice sections；
Step 4, right angle setting is in place at the construction field (site) for the H profile steel column (1) for obtaining step 3, then lifts by crane the long beam of H-type (3)
To predetermined position, and splicing gap (9) is reserved between H-type short beam (2) and the long beam of H-type (3)；
Step 5 installs gusset plate (5) on the outside of the edge of a wing of H-type short beam (2) and the edge of a wing of the long beam of H-type (3), and in H-type short beam
(2) angle steel is installed at the junction of web and the edge of a wing and the web of the long beam of H-type (3) and the node on the edge of a wing, it will using bolt (6)
Gusset plate (5), the edge of a wing and angle steel (4) connection, and web is connected with the manomelia of its two sides angle steel (4)；
Step 6, the pretightning force for adjusting bolt (6).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811557874.1A CN109457804A (en) | 2018-12-19 | 2018-12-19 | A kind of recoverable assembled beam-column connecting node of function and construction method |
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| CN201811557874.1A CN109457804A (en) | 2018-12-19 | 2018-12-19 | A kind of recoverable assembled beam-column connecting node of function and construction method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110273482A (en) * | 2019-06-28 | 2019-09-24 | 西安建筑科技大学 | A kind of box column connecting joint structure and assembly method |
| CN115030309A (en) * | 2022-06-21 | 2022-09-09 | 中国矿业大学 | Take cantilever beam section concrete beam column assembled node |
| CN116005796A (en) * | 2023-01-31 | 2023-04-25 | 北京工业大学 | Semi-rigid steel frame beam column node based on buckling-restrained angle steel |
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| CN102363979A (en) * | 2011-11-15 | 2012-02-29 | 福州大学 | High-ductility steel structure beam column node in angle steel connection and construction method of high-ductility steel structure beam column node |
| CN102817413A (en) * | 2012-07-05 | 2012-12-12 | 北京工业大学 | Steel frame precast prestressed beam column joint with post-earthquake recovering function |
| CN205475692U (en) * | 2016-03-10 | 2016-08-17 | 苏州科技学院 | Fricative steel structure beam and column of shape memory alloy composite wing reason concatenation node |
| CN205399689U (en) * | 2016-03-15 | 2016-07-27 | 青岛腾远设计事务所有限公司 | Web trompil power consumption assembled node |
| CN106049671A (en) * | 2016-05-25 | 2016-10-26 | 北京交通大学 | Fabricated steel frame and steel plate shear wall structure replaceable after earthquake |
| CN106638961A (en) * | 2017-01-10 | 2017-05-10 | 北京交通大学 | Assembly type steel frame connection node with post-seismic recoverable function |
| CN108978863A (en) * | 2018-09-11 | 2018-12-11 | 青岛理工大学 | A kind of designing and manufacturing method of the assembled beam-column node of lower flange of girder edge use energy consumption splice plate |
| CN209369037U (en) * | 2018-12-19 | 2019-09-10 | 长安大学 | A kind of recoverable assembled beam-column connecting node of function |
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| CN110273482A (en) * | 2019-06-28 | 2019-09-24 | 西安建筑科技大学 | A kind of box column connecting joint structure and assembly method |
| CN115030309A (en) * | 2022-06-21 | 2022-09-09 | 中国矿业大学 | Take cantilever beam section concrete beam column assembled node |
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