CN113175106A - Corrugated steel web beam steel frame beam column connecting node and assembling method - Google Patents
Corrugated steel web beam steel frame beam column connecting node and assembling method Download PDFInfo
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- CN113175106A CN113175106A CN202110603218.6A CN202110603218A CN113175106A CN 113175106 A CN113175106 A CN 113175106A CN 202110603218 A CN202110603218 A CN 202110603218A CN 113175106 A CN113175106 A CN 113175106A
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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
- E04B1/38—Connections for building structures in general
- E04B1/58—Connections for building structures in general of bar-shaped building elements
- E04B1/5806—Connections for building structures in general of bar-shaped building elements with a cross-section having an open profile
- E04B1/5812—Connections for building structures in general of bar-shaped building elements with a cross-section having an open profile of substantially I - or H - form
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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
- E04B2001/2448—Connections between open section profiles
Abstract
The invention discloses a corrugated steel web beam steel frame beam-column connection node and an assembly method, which adopts a box column, a transition beam section and a connection beam section structure, wherein a transition web plate of the transition beam section is vertically fixed between a transition upper flange and a transition lower flange plate, one end parts of the transition web plate, the transition upper flange and the transition lower flange plate are fixedly connected with the outer wall of the box column, one end of the connection beam section is fixed with an end plate, the transition web plate of the transition beam section is fixedly connected with the end plate through a bolt, the transition beam section and the connection beam section are spliced to form a spliced installation structure connected by the bolt, the connection part of the transition beam section and the connection beam section does not yield under the design bending moment action, the connection part of the transition beam section and the connection beam section generates yield before a main body steel frame under the earthquake action, and the high ductility and high energy consumption capacity of low yield point steel are intensively damaged at the connection part of the transition beam section and the connection beam section, the purpose of protecting the main structure is achieved, and the quick recovery of the structure function is realized by replacing the flange buckling restraining device after the earthquake.
Description
Technical Field
The invention belongs to the field of constructional engineering, and particularly relates to a beam-column connecting node of a corrugated steel web beam and a steel frame and an assembling method.
Background
Along with the development of urban construction, the building body formed in the urban construction is required to enable the city to resist disasters and recover quickly, so that the normal operation of urban functions is kept, and the risk prevention and control capability of the city is improved. To achieve the aim of 'recoverable function earthquake-resistant city', a 'recoverable function earthquake-resistant structure' after earthquake is a key problem to be solved urgently. The welding rigid connection is widely applied to part of components of a traditional steel structure system in practical engineering, and because the stress peak value of a beam flange welding line is connected at the arc extinguishing part of the welding line, the welding line is more easily broken and torn at the welding line, so that the connected plastic rotation capacity is poor, the traditional steel frame node beam column connecting welding line is easy to damage, and the post-earthquake repair is not easy to realize.
Disclosure of Invention
The invention aims to provide a corrugated steel web beam steel frame beam column connecting node and an assembling method, which are used for overcoming the defects of the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a corrugated steel web roof beam steel frame beam column connected node, it includes the box post, transition beam section and tie-beam section, the transition beam section is including the transition top flange, flange board and transition web under the transition, transition web vertical fixation is between the transition top flange and the transition lower flange board, the transition web, the transition top flange and transition lower flange board one end tip and box post outer wall fixed connection, the one end of tie-beam section is fixed with the end plate, the transition web and the end plate of transition beam section pass through bolt-up connection.
Furthermore, at least two diaphragm plates are fixed in the box column, wherein the end face of one diaphragm plate is aligned with the end face of the transition upper flange, and the upper surfaces of the diaphragm plates are flush with the upper surface of the transition upper flange; the end surface of the other diaphragm plate is aligned with the end surface of the transition lower flange, and the lower surface of the diaphragm plate is flush with the lower surface of the transition lower flange.
Furthermore, the thickness of the transition upper flange is consistent with that of the transition lower flange, and the thickness of the transverse partition plate is larger than that of the transition upper flange.
Furthermore, the thickness difference between the diaphragm plate and the transition upper flange is 2 mm.
Furthermore, the connecting beam section comprises an upper flange, a lower flange plate and a connecting web plate, the connecting web plate is vertically fixed between the upper flange and the lower flange plate, and the end plate is vertically arranged at the end parts of the upper flange, the lower flange plate and the connecting web plate.
Furthermore, the connecting web plate is a corrugated web plate H-shaped steel beam.
Furthermore, bolt holes are formed in the flange and the web of the transition beam section, the flange of the transition beam section is fixedly connected with the flange of the connecting beam section through a flange buckling restraining device, the flange buckling restraining device comprises a flange connecting plate and buckling restraining plates arranged on the flange connecting plate, and end thickening plates are arranged on two sides, located on two sides of the buckling restraining plates, of the flange connecting plate respectively.
Furthermore, a transition web plate of the transition beam section is fixedly connected with the end plate through web plate angle steels, two web plate angle steels are arranged on two sides of the transition web plate respectively, and the two web plate angle steels are symmetrically arranged on two sides of the transition web plate and are in fastening connection with the end plate through bolts.
Furthermore, the transition upper flange and the transition lower flange plate are arranged in parallel, and two ends of the transition web plate are respectively welded with the transition upper flange and the transition lower flange plate.
A method for assembling a beam-column connecting joint of a steel frame of a corrugated steel web beam comprises the following steps:
s1, fixing the diaphragm plate at the node of the box column by adopting an electroslag pressure welding method, and then welding the transition beam section at the outer side of the node of the box column;
s2, prefabricating a connecting beam section, welding an end plate at the end of the connecting beam section, and reserving bolt holes on a flange plate and a web plate of the transition beam section, the flange plate of the connecting beam section and the end plate;
and S3, connecting the transition beam section and the connecting beam section by using a flange buckling restraining device, pre-tightening the transition beam section and the connecting beam section by using bolts in the installation process, aligning the transition beam section and the connecting beam section, and then tightening the transition beam section and the connecting beam section, thereby completing the assembly of the beam-column connecting node of the corrugated steel web beam steel frame.
Compared with the prior art, the invention has the following beneficial technical effects:
the invention relates to a corrugated steel web plate beam steel frame beam-column connection node, which adopts a box column, a transition beam section and a connection beam section structure, wherein the transition beam section comprises a transition upper flange, a transition lower flange plate and a transition web plate, the transition web plate is vertically fixed between the transition upper flange and the transition lower flange plate, one end parts of the transition web plate, the transition upper flange and the transition lower flange plate are fixedly connected with the outer wall of the box column, one end of the connection beam section is fixed with an end plate, the transition web plate of the transition beam section is fixedly connected with the end plate through a bolt, the transition beam section and the connection beam section are spliced by utilizing the transition beam section and the connection beam section to form a spliced installation structure connected by the bolt, the connection part of the transition beam section and the connection beam section does not yield under the design bending moment action, the connection part of the transition beam section and the connection beam section yields before a main body steel frame under the earthquake action, and the high ductility and high energy consumption capacity of low yield point steel are intensively damaged at the connection part of the transition beam section and the connection beam section, the purpose of protecting the main structure is achieved, and the quick recovery of the structure function is realized by replacing the connecting part after the earthquake.
Further, the alignment of the transverse partition plate in the box column and the flange of the transition beam section can effectively avoid the main structure from being damaged by acting force, and the connection strength of the main structure is improved.
Furthermore, the thickness of the transverse partition plate is larger than that of the transition upper flange, so that the supporting stability of the box column side wall structure is ensured.
Furthermore, the flange of the transition beam section is fixedly connected with the flange of the connecting beam section through a flange buckling restraining device, the middle section of a flange connecting plate of the flange buckling restraining device is made of low-yield-point steel, a restraining plate for preventing buckling of core materials is arranged on the periphery of the flange connecting plate, end thickening plates are arranged on the flange connecting plate and located on two sides of the buckling restraining plate respectively, the flange connecting plate is used for connection, the buckling restraining plate is arranged in the middle of the flange connecting plate, under the action of an earthquake, the core component in the middle section of the flange connecting plate yields before the main steel frame, the core component in the flange connecting plate is intensively damaged by the high ductility and the high energy consumption capacity of the low-yield-point steel, the purpose of protecting the main structure is achieved, and quick recovery of the structural function is achieved by replacing the flange buckling restraining device after the earthquake.
The assembling method of the corrugated steel web beam steel frame beam column connecting joint can be prefabricated in a factory to ensure the quality of welding seams, is transported to a site to be connected in a mode of splicing the transition beam section and the connecting beam section by bolts to complete the assembly, is convenient for factory processing, site installation, centralized damage and post-earthquake repair, and has good life-cycle cost benefit.
Drawings
Fig. 1 is an assembly diagram of a connection node according to an embodiment of the present invention.
Fig. 2 is a schematic view of a disassembly structure of a connection node in the embodiment of the present invention.
FIG. 3 is a schematic structural view of a flange buckling restraining device in an embodiment of the invention.
Fig. 4 is a schematic view of load destruction of a connection node in the embodiment of the present invention.
Fig. 5 is a load-displacement curve diagram of a connection node in an embodiment of the present invention.
In the figure: the beam comprises 1-box column, 2-transition beam section, 3-connecting beam section, 4-end plate, 5-flange buckling restraining device, 6-web angle steel and 7-bolt.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings:
as shown in fig. 1-2, a corrugated steel web beam steel frame beam column connected node, it includes box column 1, transition beam section 2 and tie beam section 3, transition beam section 2 includes the transition top flange, transition lower flange board and transition web, transition web vertical fixation is between transition top flange and the transition lower flange board, transition web, transition top flange and transition lower flange board one end tip and 1 outer wall fixed connection of box column, the one end of tie beam section 3 is fixed with end plate 4, the transition web and the end plate 4 of transition beam section 2 pass through bolt fastening connection.
The transition upper flange and the transition lower flange plate are arranged in parallel, two ends of the transition web plate are respectively welded with the transition upper flange and the transition lower flange plate, and the transition web plate is arranged along the geometric center line of the transition upper flange and the transition lower flange plate; one end parts of the transition web plate, the transition upper flange and the transition lower flange plate are welded with the outer wall of the box column 1 to form a stable connecting structure. The width direction of the transition web is parallel to the height direction of the box column 1.
At least two diaphragm plates are fixed in the box column 1, the two diaphragm plates are respectively positioned in the same plane with the transition upper flange and the transition lower flange of the transition beam section 2, namely the end surface of one diaphragm plate is aligned with the end surface of the transition upper flange, the upper surface of the diaphragm plate is flush with the upper surface of the transition upper flange, the end surface of the other diaphragm plate is aligned with the end surface of the transition lower flange, the lower surface of the diaphragm plate is flush with the lower surface of the transition lower flange, the thickness of the transition upper flange is consistent with that of the transition lower flange, the thickness of the diaphragm plate is greater than that of the transition upper flange, and the specific thickness difference is 2 mm.
The diaphragm plates are welded at the nodes of the box column 1 by adopting an electroslag pressure welding method, and the upper surfaces and the lower surfaces of the upper diaphragm plate and the lower diaphragm plate are respectively aligned with the upper surfaces and the lower surfaces of the transition upper flange plate and the transition lower flange plate; the transition beam section 2 is connected with the box column 1 by welding seams.
The connecting beam section 3 comprises an upper flange, a lower flange connecting plate and a connecting web plate, the connecting web plate is vertically fixed between the upper flange and the lower flange connecting plate, the end plate 4 is vertically arranged at the end parts of the upper flange, the lower flange and the connecting web plate, and the connecting web plate is a corrugated web plate H-shaped steel beam.
All be equipped with the bolt hole on the edge of a wing and the web of transition beam section 2, the edge of a wing of transition beam section 2 passes through edge of a wing bucking restraint device 5 fixed connection with the edge of a wing of coupling beam section 3, edge of a wing bucking restraint device 5 includes the edge of a wing connecting plate and sets up the bucking about plate on the edge of a wing connecting plate, be equipped with spacing platform on the edge of a wing connecting plate interlude, be equipped with spacing hole on the bucking about plate, fix a position the installation through the spacer pin, edge of a wing connecting plate upper end is located the bucking about plate both sides and is equipped with a tip thickening plate respectively for improve joint strength.
Specifically, the transition upper flange and the upper connecting flange are fixedly connected through an upper flange connecting plate, two ends of the upper flange connecting plate are respectively and fixedly connected with the transition upper flange and the upper connecting flange through bolts, a buckling restraining plate is arranged in the middle of the upper flange connecting plate, and the upper end of the upper flange connecting plate is positioned at two sides of the buckling restraining plate and is limited and fixed through end thickening plates while the connecting strength is further enhanced; in a similar way, the transition lower flange and the connection lower flange are fixedly connected through the lower flange connecting plate, the two ends of the lower flange connecting plate are respectively fixedly connected with the transition lower flange and the lower end face of the connection lower flange after being attached, the buckling restraining plate is arranged in the middle of the lower flange connecting plate, and the lower end of the lower flange connecting plate is located on the two sides of the buckling restraining plate and is further strengthened in connection strength when being limited and fixed through the end thickening plate. As shown in FIG. 3, the middle section of the flange connecting plate is a core yielding section.
The transition web of transition beam section 2 passes through web angle steel 6 fixed connection with end plate 4, and the transition web both sides are equipped with a web angle steel 6 respectively, and two web angle steels 6 symmetry set up in transition web both sides and pass through bolt-up connection with end plate 4.
The strength grade of the material of the transition beam section 2 is higher than that of the material of the connecting beam section 3. The bolt 7 is a high-strength bolt. Be two rows of transverse arrangement in the concatenation of flange board, middle bolt interval is great, a plurality of high strength bolts 7 are single row longitudinal arrangement in the concatenation of web.
Welding a transitional beam section 2 at the node position of the box column 1 to obtain a prefabricated node with a cantilever beam section; and then the beam is transported to the site and the transition beam section 2 is connected with the corrugated web H-shaped connecting beam section 3 in an all-bolt connection mode, so that the assembly is completed, and the corrugated steel web beam steel frame beam-column joint provided with the replaceable flange buckling restraining device is formed.
A method for assembling a beam-column connecting joint of a corrugated steel web beam steel frame comprises the following steps:
s1, welding the diaphragm plates at the nodes of the box column 1 by adopting an electroslag pressure welding method, wherein the upper surfaces and the lower surfaces of the upper diaphragm plate and the lower diaphragm plate are respectively aligned with the upper surfaces and the lower surfaces of the upper flange plate and the lower flange plate of the short beam section;
s2, the transition beam section 2 comprises a transition upper flange, a transition lower flange plate and a transition web plate, the transition beam section 2 is made of steel with a strength grade higher than that of the connecting beam section 3 or a thickness larger than that of the connecting beam section, and bolt holes are reserved in the flange plates and the web plate of the short beam section at the splicing position;
s3, connecting the transition beam section 2 with the box-shaped column 1 by adopting a welding seam to form a steel column with a cantilever beam section;
s4, prefabricating the connecting beam section 3: end plates 4 are welded at the ends of the connecting beam sections 3, bolt holes are reserved on flange plates and webs of the transition beam sections 2, flange plates of the connecting beam sections 3 and the end plates 4;
and S5, splicing the transition beam section 2 and the connecting beam section 3 by adopting a flange buckling restraining device and web splicing angle steel 6 through a reserved bolt hole by adopting a plurality of high-strength bolts 7, completing assembly, and forming the corrugated steel web beam steel frame beam-column connecting node.
According to the corrugated steel web beam steel frame beam column connecting joint, the transition beam section 2 and the connecting beam section 3 are fixedly connected by using the flange buckling restraining device and the web splicing angle steel 6, so that a detachable and replaceable corrugated steel web beam steel frame beam column connecting joint structure is formed, the structure is simple, the flange buckling restraining device is adopted for connection, the safety of the connecting end of the transition beam section 2 and the connecting beam section 3 can be ensured when the beam structure is damaged, and the disassembly is convenient; the invention has simple structure, and only needs to finish processing in a factory, thereby accelerating the construction speed and ensuring the engineering quality. The short beam section is connected with the corrugated web H-shaped steel beam in an all-bolt connection mode on site in a transportation mode, assembly is completed, a corrugated steel web beam steel frame beam column connection node provided with the flange buckling restraining device is formed, beam column connection is convenient, and practicability is good. Can utilize edge of a wing bucking restraint device kernel section to surrender repeatedly under the earthquake load effect and dissipate the energy, concentrate the damage to protect the major structure, simultaneously, can adopt the mode of changing edge of a wing bucking restraint device to connect the high strength bolted connection again with short beam section and corrugated web H shaped steel roof beam after the shake, convenient and fast. The node is convenient for factory processing, field installation, centralized damage and post-earthquake repair, and has good life-cycle economic benefit.
The above detailed description of the preferred embodiments of the present application is provided to facilitate understanding and application of the steel frame beam column node of the present invention to those skilled in the art. However, the present patent is not limited to the above embodiments, and those skilled in the art can make various changes within the knowledge of the person skilled in the art without departing from the gist of the present patent.
The failure mode and the bearing performance of the beam-column connection node of the corrugated steel web beam provided with the flange buckling restraining device are explained below.
Finite element software ABAQUS is used for simulating and analyzing the mechanical property of the corrugated steel web plate beam steel frame beam-column connecting node of the flange buckling restraining device, and the stress behavior of the corrugated steel web plate beam steel frame beam-column connecting node under the action of monotonic load is subjected to trial calculation in order to improve the calculation efficiency by considering that the model only provides reference for structural feasibility analysis. The section of the steel column is 300 multiplied by 16, the section of the short beam section is 353 multiplied by 200 multiplied by 10 multiplied by 16, and the section of the corrugated web H-shaped steel beam is 353 multiplied by 200 multiplied by 3.5 multiplied by 10. The height of the steel column is 3000mm, the length of the short beam is 600mm, and the length of the H-shaped beam is 2000 mm. The web plate splicing angle steel adopts L95 multiplied by 10, the thickness of an inner core of a flange connecting plate is 16mm, the thickness of the end reinforcement is 33mm, the thickness of a peripheral restraint plate is 16mm, the gap between the inner core of the flange connecting plate and the peripheral restraint plate is 1mm, LY225 steel is adopted as the inner core material of the flange connecting plate, and Q345 steel is adopted as the rest. The splicing of the upper flange plate and the lower flange plate needs 20 bolts respectively, the splicing of the web plate needs 9 bolts, 10.9-level high-strength bolt friction type connection is adopted, and the pretension force and the surface contact effect of the bolts are considered in a finite element. Firstly applying bolt pretightening force, then applying column top axial force, and finally applying column top horizontal displacement load. The results of the finite element analysis are as follows.
(1) A destructive mode. Fig. 4 shows a schematic diagram of the failure of the corrugated steel web beam-steel frame beam-column connection node equipped with the flange buckling restraint device. Under the action of a monotonous load, plastic strain is concentrated on the core component of the flange connecting plate, and the main structure of the beam column basically keeps elasticity, so that the joint form of the invention can basically realize the aims of concentrated damage and post-earthquake repair.
(2) And (4) carrying performance. Fig. 5 is a load-displacement curve diagram of a corrugated steel web beam steel frame beam-column connection node provided with a flange buckling restraint device, and it can be known that the node has good bearing performance and no descending section, and the node has strong anti-seismic performance, stable bearing performance and energy consumption capability.
The flange buckling restraining device is combined with the corrugated web H-shaped steel beam, so that the advantages of light self weight, low manufacturing cost, low carbon, energy conservation, higher stable bearing capacity and stable energy consumption capacity of low-yield-point steel products are exerted. Under the action of a designed bending moment, the inner core section of the flange connecting plate does not yield, under the action of an earthquake, the inner core component yields before the main steel frame, the inner core component of the flange connecting plate is intensively damaged by utilizing the high ductility and high energy consumption capacity of low-yield-point steel, the purpose of protecting the main structure is achieved, and the quick recovery of the structural function is realized by replacing the flange buckling restraining device after the earthquake.
The invention has simple structure, convenient connection and reasonable stress. The short beam section and the box column with the inner partition plate are connected through the full-welded seam and can be prefabricated in a factory to guarantee the quality of the welded seam, the short beam section and the corrugated web H-shaped steel beam are connected in a full-bolt splicing mode on the site in a transportation mode, assembly is completed, and the corrugated steel web beam steel frame beam column node provided with the replaceable flange buckling restraining device is formed. The node is convenient for factory processing, field installation, centralized damage and post-earthquake repair, and has good life-cycle cost benefit.
Claims (10)
1. The utility model provides a corrugated steel web roof beam steel frame beam column connected node, a serial communication port, it includes box post (1), transition beam section (2) and connecting beam section (3), transition beam section (2) are including the transition top flange, flange board and transition web under the transition, transition web vertical fixation is between the transition top flange and the transition lower flange board, transition web, transition top flange and transition lower flange board one end tip and box post (1) outer wall fixed connection, the one end of connecting beam section (3) is fixed with end plate (4), the transition web and end plate (4) of transition beam section (2) pass through bolt fastening connection.
2. A corrugated steel web beam steel frame beam column connection node according to claim 1, characterised in that at least two diaphragms are fixed within the box column (1), wherein the end face of one diaphragm is aligned with the end face of the transition upper flange, and the upper surface of the diaphragm is flush with the upper surface of the transition upper flange; the end surface of the other diaphragm plate is aligned with the end surface of the transition lower flange, and the lower surface of the diaphragm plate is flush with the lower surface of the transition lower flange.
3. A corrugated steel web beam steel frame beam column connection node as claimed in claim 1 or 2 wherein the thickness of the transition upper flange is the same as the thickness of the transition lower flange and the thickness of the diaphragm is greater than the thickness of the transition upper flange.
4. A corrugated steel web beam steel frame beam column connection node as claimed in claim 3 wherein the difference in thickness between the diaphragms and the transition upper flanges is 2 mm.
5. The beam-column connection node of a corrugated steel web beam steel frame according to claim 1, wherein the connection beam section (3) comprises an upper flange, a lower flange plate and a web plate, the web plate is vertically fixed between the upper flange and the lower flange plate, and the end plate (4) is vertically arranged at the end of the upper flange, the lower flange plate and the web plate.
6. The corrugated steel web beam steel frame beam column connection node of claim 4, wherein the connection web is a corrugated web H-beam.
7. The corrugated steel web beam steel frame beam-column connection node as claimed in claim 1, wherein the flanges and the webs of the transition beam section (2) are provided with bolt holes, the flanges of the transition beam section (2) and the flanges of the connection beam section (3) are fixedly connected through a flange buckling restraining device (5), the flange buckling restraining device (5) comprises a flange connecting plate and buckling restraining plates arranged on the flange connecting plate, and an end thickening plate is respectively arranged at the upper end of the flange connecting plate and positioned at two sides of the buckling restraining plates (5).
8. The corrugated steel web beam steel frame beam column connection node according to claim 1, wherein the transition web of the transition beam section (2) is fixedly connected with the end plate (4) through a web angle steel (6), two web angle steels (6) are respectively arranged on two sides of the transition web, and the two web angle steels (6) are symmetrically arranged on two sides of the transition web and are fixedly connected with the end plate (4) through bolts.
9. The corrugated steel web beam steel frame beam column connection node of claim 1, wherein the transition upper flange and the transition lower flange plate are arranged in parallel, and both ends of the transition web are respectively welded with the transition upper flange and the transition lower flange plate.
10. A method of assembling a corrugated steel web beam steel frame beam column connection node as claimed in claim 1, comprising the steps of:
s1, fixing the diaphragm plate at the node of the box column by adopting an electroslag pressure welding method, and then welding the transition beam section at the outer side of the node of the box column;
s2, prefabricating a connecting beam section, welding an end plate at the end of the connecting beam section, and reserving bolt holes on a flange plate and a web plate of the transition beam section, the flange plate of the connecting beam section and the end plate;
and S3, connecting the transition beam section and the connecting beam section by using a flange buckling restraining device, pre-tightening the transition beam section and the connecting beam section by using bolts in the installation process, aligning the transition beam section and the connecting beam section, and then tightening the transition beam section and the connecting beam section, thereby completing the assembly of the beam-column connecting node of the corrugated steel web beam steel frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110603218.6A CN113175106A (en) | 2021-05-31 | 2021-05-31 | Corrugated steel web beam steel frame beam column connecting node and assembling method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110603218.6A CN113175106A (en) | 2021-05-31 | 2021-05-31 | Corrugated steel web beam steel frame beam column connecting node and assembling method |
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| CN113175106A true CN113175106A (en) | 2021-07-27 |
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| CN202110603218.6A Pending CN113175106A (en) | 2021-05-31 | 2021-05-31 | Corrugated steel web beam steel frame beam column connecting node and assembling method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112262244A (en) * | 2018-03-26 | 2021-01-22 | 美国辛普森众泰公司 | One-piece structural safety device |
| CN113898120A (en) * | 2021-10-15 | 2022-01-07 | 时靖 | Assembly type box-shaped structure and connecting node thereof |
| CN117513543A (en) * | 2024-01-08 | 2024-02-06 | 山西一建集团有限公司 | Door type steel structure steel beam node connection structure |
-
2021
- 2021-05-31 CN CN202110603218.6A patent/CN113175106A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112262244A (en) * | 2018-03-26 | 2021-01-22 | 美国辛普森众泰公司 | One-piece structural safety device |
| CN113898120A (en) * | 2021-10-15 | 2022-01-07 | 时靖 | Assembly type box-shaped structure and connecting node thereof |
| CN117513543A (en) * | 2024-01-08 | 2024-02-06 | 山西一建集团有限公司 | Door type steel structure steel beam node connection structure |
| CN117513543B (en) * | 2024-01-08 | 2024-04-02 | 山西一建集团有限公司 | Door type steel structure steel beam node connection structure |
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