CN115492239A - Conversion beam column node and construction process thereof - Google Patents
Conversion beam column node and construction process thereof Download PDFInfo
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- CN115492239A CN115492239A CN202211253666.9A CN202211253666A CN115492239A CN 115492239 A CN115492239 A CN 115492239A CN 202211253666 A CN202211253666 A CN 202211253666A CN 115492239 A CN115492239 A CN 115492239A
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- 238000006243 chemical reaction Methods 0.000 title claims abstract description 49
- 238000010276 construction Methods 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 title claims abstract description 23
- 230000008569 process Effects 0.000 title claims abstract description 19
- 229910000831 Steel Inorganic materials 0.000 claims description 169
- 239000010959 steel Substances 0.000 claims description 169
- 238000012546 transfer Methods 0.000 claims description 13
- 238000003466 welding Methods 0.000 claims description 11
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 239000003351 stiffener Substances 0.000 claims 1
- 238000013461 design Methods 0.000 abstract description 5
- 239000011150 reinforced concrete Substances 0.000 abstract 1
- 238000004873 anchoring Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 5
- 239000002131 composite material Substances 0.000 description 4
- 230000007704 transition Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 229910000746 Structural steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
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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
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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
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/56—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/56—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members
- E04B2/64—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members with elongated members of concrete
- E04B2/68—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members with elongated members of concrete made by filling-up wall cavities
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
- E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/30—Columns; Pillars; Struts
- E04C3/32—Columns; Pillars; Struts of metal
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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
- E04B2001/2457—Beam to beam connections
-
- 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
- E04B2001/2466—Details of the elongated load-supporting parts
- E04B2001/2472—Elongated load-supporting part formed from a number of parallel profiles
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
- E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
- E04C2003/0404—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects
- E04C2003/0443—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by substantial shape of the cross-section
- E04C2003/0452—H- or I-shaped
Abstract
The invention relates to the technical field of reinforced concrete construction, and discloses a conversion beam column node and a construction process thereof. The invention can ensure the engineering quality and the node bearing capacity, meet the structural design requirement and effectively improve the construction efficiency.
Description
Technical Field
The invention relates to the technical field of section steel concrete construction, in particular to a conversion beam column node and a construction process thereof.
Background
With the rapid development of economy, commercial and residential composite buildings are increasing, in order to meet the use requirements of the buildings, the commercial and residential composite buildings often adopt a frame-shear wall conversion structure, and the profile steel-concrete frame-supported shear wall composite structure is widely applied to the commercial and residential composite buildings by virtue of the advantages of high strength, high rigidity and good anti-seismic performance. The steel rib conversion beam column node is used as an important part for effectively connecting a beam, a column and a wall component and enabling the beam, the column and the wall component to work together, the stress is complex, and the design structure directly influences the overall safety of the structure.
At present, in a conventional section steel-concrete frame-supported shear wall structure, a section steel column is taken as a main body of a conversion beam column node, the connection between the section steel column and the conversion beam is realized through an additional bracket or an overlapping steel plate, the node is large in size, difficult in component installation and splicing and low in construction efficiency, and an effective transition structure is lacked between the node and a cast-in-place shear wall, so that the interruption of a vertical force transmission path is easily caused.
Disclosure of Invention
The purpose of the invention is: the conversion beam column node and the construction process thereof are designed, which can ensure the engineering quality and the bearing capacity of the node, meet the structural design requirements and effectively improve the construction efficiency.
In order to achieve the purpose, the invention provides a conversion beam column node which comprises a shear-resistant steel plate, two section steel beams, a cross-shaped steel column and a steel pipe column, wherein the section steel beam comprises a web plate and an upper flange and a lower flange which are respectively positioned on the upper side and the lower side of the web plate, the shear-resistant steel plate is vertically connected to the upper surface of the upper flange, a stiffening plate is arranged on the web plate, the upper end and the lower end of the stiffening plate are respectively and correspondingly connected with the upper flange and the lower flange, the two section steel beams are vertically connected with each other, the cross-shaped steel column is arranged below a connection point of the two section steel beams, the steel pipe column is sleeved on the cross-shaped steel column, and the upper end of the cross-shaped steel column and the upper end of the steel pipe column are respectively connected with the lower surface of the lower flange.
Preferably, the outer surfaces of the upper flange and the lower flange are provided with a plurality of shear studs arranged at equal intervals.
Preferably, a plurality of lacing wire ear plates are symmetrically paved on two side faces of the web plate respectively, and at least one hole for the lacing wire to pass through is formed in each lacing wire ear plate.
Preferably, the stiffening plate is positioned right above the steel pipe column.
Preferably, the upper end of the peripheral wall of the steel pipe column is connected with a plurality of brackets, and each bracket is respectively arranged below each section steel beam in a one-to-one correspondence manner and is connected with the corresponding section steel beam.
The invention also provides a construction process of the conversion beam column joint, which comprises the following steps:
s1, two steel beams and a cross-shaped steel column are processed in advance in a factory and then welded into a whole, and the whole is conveyed to a construction site;
s2, hoisting the steel pipe column by adopting a rotating and straightening method on a construction site;
s3, integrally hoisting the section steel beam and the cross-shaped steel column which are welded into a whole;
and S4, splicing the conversion beams among the plurality of conversion beam column nodes.
Preferably, the specific operation steps of S2 are: and arranging a lifting point on a bracket at the top end of the steel pipe column, fixing a sling by using a lifting hole reserved on the steel bracket, correcting by using a jack and chain block equipment after lifting, and temporarily fixing and welding the steel pipe column.
Preferably, the specific operation steps of S3 are: the steel beam and the cross-shaped steel column which are welded into a whole are slowly hoisted to the upper side of the steel pipe column, the cross-shaped steel column is guaranteed to correctly extend into the steel pipe column, the direction and the position of the steel beam are adjusted, the steel beam is just positioned right above the bracket, and then the steel beam is fixed and welded.
Preferably, the specific operation steps of S4 are: after the transfer beam is hoisted in place, the transfer beam is fixed at the end part of the section steel beam of the transfer beam column node by using bolts, and then the abutted seams are welded.
Preferably, when the section steel beam is processed, the lacing wire ear plates on the two side surfaces of the web plate are made of steel plates and are provided with at least two holes for the lacing wires to pass through; when the distance between two adjacent holes is smaller than 300mm, the steel plate is cut into a saw-tooth rack shape, then one side with the saw teeth is welded on the web plate, so that the saw teeth and the web plate are enclosed to form a plurality of holes, and the continuous lacing wire ear plate is manufactured.
Compared with the prior art, the conversion beam column node and the construction process thereof have the beneficial effects that:
the conversion beam column node provided by the embodiment of the invention can avoid sudden change of rigidity and strength, strengthen the shearing resistance of the node, improve the continuity of vertical force transmission, ensure the stability and integrity of the structure and ensure the engineering quality and the bearing capacity of the node, has a simple integral design structure, and is convenient for hoisting construction.
Drawings
FIG. 1 is an overall block diagram of a conversion beam-column joint in accordance with an embodiment of the present invention;
FIG. 2 is a structural diagram of a steel pipe column in a conversion beam column node according to an embodiment of the present invention;
FIG. 3 is a top view of a cross steel column and a steel pipe column in a conversion beam column node according to an embodiment of the present invention;
FIG. 4 is a structural diagram of a middle-sized steel beam and a cross-shaped steel column welded together in a construction process S1 of a conversion beam column joint according to an embodiment of the invention;
fig. 5 is a schematic view illustrating installation of a cross steel column and a steel pipe column in a construction process S3 of a conversion beam-column joint according to an embodiment of the present invention;
fig. 6 is a schematic diagram of splicing a section steel beam and a transfer beam of a transfer beam-column joint in the construction process S4 of the transfer beam-column joint according to the embodiment of the present invention.
FIG. 7 is a structural diagram of a middle-sized steel beam and a discontinuous lacing wire ear plate of a conversion beam column node according to an embodiment of the present invention;
FIG. 8 is a structural diagram of a medium-sized steel beam and a continuous lacing wire ear plate of a transition beam column node according to an embodiment of the present invention;
fig. 9 is a schematic cross-sectional structure view of a medium-sized steel beam tie bar in a conversion beam column joint according to an embodiment of the present invention.
In the figure, 1, a shear steel plate; 2. a section steel beam; 21. a web; 211. bolt holes; 22. an upper flange; 23. a lower flange; 24. a stiffening plate; 3. a cross-shaped steel column; 4. steel pipe columns; 41. a bracket; 5. shear resistant studs; 6. stretching the ear plate; 61. a hole; 62. a continuous lacing wire ear plate; 7. stretching a rib; 8. and (5) hooping.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. used herein are used to indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
In the description of the present invention, it should be understood that the terms "connected," "fixed," and the like are used in a broad sense, and for example, the terms "connected," "connected," and "fixed" may be fixed, detachable, or integrated; the connection can be mechanical connection or welding connection; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The terms "first", "second", and the like are used herein to describe various information, but the information should not be limited to these terms, which are used only to distinguish the same type of information from each other. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present invention.
As shown in fig. 1 and 3, a conversion beam-column node according to a preferred embodiment of the present invention includes a shear-resistant steel plate 1, two section steel beams 2, a cross-shaped steel column 3 and a steel pipe column 4, where the section steel beam 2 includes a web 21, and an upper flange 22 and a lower flange 23 respectively located on upper and lower sides of the web 21, the shear-resistant steel plate 1 is vertically connected to an upper surface of the upper flange 22, a stiffening plate 24 is disposed on the web 21, upper and lower ends of the stiffening plate 24 are respectively and correspondingly connected to the upper flange 22 and the lower flange 23, the two section steel beams 2 are vertically connected to each other, the cross-shaped steel column 3 is disposed right below a connection point of the two section steel beams 2, the steel pipe column 4 is sleeved on the cross-shaped steel column 3, and an upper end of the cross-shaped steel column 3 and an upper end of the steel pipe column 4 are respectively connected to a lower surface of the lower flange 23.
The two section steel beams 2 are vertically welded into a main body structure of the conversion beam, the cross-shaped steel column 3 is used as the upper end of an anchoring structure and welded with the lower flange 23 of the section steel beam 2, the lower end of the anchoring structure extends into the steel pipe column 4, the shear-resistant steel plate 1 is arranged at the connecting part of the upper part of the section steel beam 2 and the cast-in-place concrete shear wall, and the shear-resistant steel plate 1 is used as a transition section, so that the shear resistance of the shear wall constraint edge member can be improved, and meanwhile, the lap joint and the anchoring of longitudinal ribs of the shear wall are facilitated. This conversion beam column node structure can avoid the sudden change of rigidity and intensity, strengthens the shear resistance of node, promotes the continuity of vertical biography power, ensures the stability and the wholeness of structure, and the global design simple structure, convenient hoist and mount construction.
Further, a plurality of shear studs 5 are arranged on the outer surfaces of the upper flange 22 and the lower flange 23 at equal intervals. The shear-resistant stud 5 has a rigid combination connection effect, can increase the bonding force between the concrete and the section steel beam 2, and ensures effective transmission of the shear force so as to prevent relative sliding between the concrete and the section steel beam, so that the section steel beam 2 is firmly combined with the surface of the concrete, and common stress is ensured. Wherein, four ends of the cross-shaped steel column 3 are also provided with four flange plates, the outer surface of the flange plate is also provided with a plurality of equally spaced shear studs 5.
Further, as shown in fig. 7 and 9, a plurality of tie bar ear plates 6 are respectively and symmetrically arranged on two side surfaces of the web plate 21, and at least one hole 61 for the tie bar 7 to pass through is formed in the tie bar ear plate 6. The arrangement of the lacing wire ear plate 6 can avoid forming a hole on the section steel beam 2 web plate 21, so that the arrangement and binding of the lacing wire 7 are facilitated when the structural strength of the section steel beam 2 is not reduced, and the binding force between the steel rib and concrete can be enhanced during subsequent concrete pouring. When the tie bar is arranged, one end of the tie bar 7 is hooked by 90 degrees, and the other end of the tie bar is hooked by 135 degrees, and the tie bar is respectively pulled in the hole 61 of the tie bar ear plate 6 and the intersection point of the constructional steel bar and the stirrup 8.
When the tie bar ear plates 6 of the section steel beam 2 are densely arranged and are more in number, the continuous tie bar ear plates 62 can be arranged, the continuous tie bar ear plates 62 are made of thick steel plates with the thickness of 10-12 mm, the steel plates are firstly processed into a sawtooth strip shape, one side with sawteeth is welded on the side surface of a web plate 21 of the section steel beam 2, and the side with the sawteeth and the web plate 21 are enclosed to form a plurality of holes 61 for tie bars 7.
Furthermore, the stiffening plates 24 are located right above the steel pipe column 4, the stiffening plates 24 can increase the rigidity and stability of the conversion beam column node, the continuity of vertical force transmission is guaranteed, and the stiffening plates are located right above the peripheral wall of the steel pipe column 4, so that the transmission of axial force can be facilitated.
Further, as shown in fig. 2, a plurality of brackets 41 are connected to an upper end of the outer circumferential wall of the steel pipe column 4, and each of the brackets 41 is provided below each of the section steel beams 2 in a one-to-one correspondence and connected to the corresponding section steel beam 2. The bracket 41 is in an inverted T shape, a hanging hole is reserved in the bracket 41 and can be used as a hanging point of the steel pipe column 4, and meanwhile, the bracket 41 can also be used for welding and anchoring of the longitudinal bottom rib of the section steel beam 2.
Further, the outer end of the web plate 21 is provided with a bolt hole 211, and the bolt hole 211 facilitates splicing and fixing of the section steel beam 2 of the conversion beam column node and the conversion beam.
As shown in fig. 4, 5 and 6, the invention also provides a construction process of the conversion beam column node, which comprises the following steps:
s1, two steel beams 2 and a cross-shaped steel column 3 are processed in advance in a factory and then welded into a whole, and the whole is conveyed to a construction site;
s2, hoisting the steel pipe column 4 by adopting a rotating and straightening method on a construction site;
s3, integrally hoisting the section steel beam 2 and the cross-shaped steel column 3 which are welded into a whole;
and S4, splicing the conversion beams among the plurality of conversion beam column nodes.
The main parts of the conversion beam column joint are processed and manufactured in a factory and then are transported to a construction site, so that the field welding operation can be reduced, the welding quality is ensured, the process is simplified, and the field construction efficiency is improved.
Further, the specific operation steps of S2 are: and arranging a lifting point on a bracket 41 at the top end of the steel pipe column 4, fixing a sling by using a lifting hole reserved on the steel bracket 41, correcting by using a jack and chain block equipment after lifting, and temporarily fixing and welding the steel pipe column 4.
Further, the specific operation steps of S3 are: slowly hoisting the section steel beam 2 and the cross steel column 3 which are integrally welded to the upper part of the steel pipe column 4, ensuring that the cross steel column 3 correctly extends into the steel pipe column 4, adjusting the direction and the position of the section steel beam 2 to ensure that the section steel beam 2 is just above the bracket 41, and then fixing and welding.
Further, the specific operation steps of S4 are: after the transfer beam is hoisted in place, the transfer beam is fixed at the end part of the section steel beam 2 of the transfer beam column node by using bolts, and then the abutted seams are welded. The transfer beam here is also a section steel beam 2.
Further, as shown in fig. 7, when the structural steel beam 2 is processed, the tie bar ear plates 6 on the two side surfaces of the web plate 21 are made of steel plates, and at least two holes for the tie bars 7 to pass through are formed.
Further, as shown in fig. 8, when the distance between two adjacent holes is less than 300mm, the tie bar ear plates 6 of the section steel beam 2 are densely arranged and have a large number, and a continuous tie bar ear plate 62 can be provided, the continuous tie bar ear plate 62 is made of a thick steel plate with the thickness of 10-12 mm, the steel plate is firstly processed into a sawtooth strip shape, and then one side with sawteeth is welded on the side surface of the web plate 21 of the section steel beam 2 to form a plurality of holes 61 for the tie bars 7 by enclosing with the web plate 21.
To sum up, the embodiment of the invention provides a conversion beam column node and a construction process thereof, which avoids the opening of a hole on a web plate 21 of a section steel beam 2 by arranging a tie bar ear plate 6, does not reduce the structural strength of the section steel beam 2, facilitates the arrangement and binding of a tie bar 7, and simultaneously enhances the binding force between the section steel beam 2 and concrete; the lower part of the conversion beam column node is provided with a cross-shaped steel column 3 as an anchoring structure, the upper end of the cross-shaped steel column is welded with the lower flange 23 of the section steel beam 2, and the lower end of the cross-shaped steel column extends into the lower steel pipe column 4, so that the conversion beam column node structure is strengthened, and the stability and the integrity of the structure are improved; in order to avoid sudden change of rigidity and strength, a shear steel plate 1 is arranged at the connecting position of the conversion beam and the shear wall to serve as a transition section, so that the shear performance of the shear wall constraint edge member is improved, and meanwhile, the lap joint and the anchoring of longitudinal ribs of the shear wall are facilitated; the whole conversion beam column joint structure adopts a sectional and block mounting method, the section steel beam 2 and the cross-shaped steel column 3 are firstly processed and manufactured in a factory and then transported to a construction site for mounting, the field welding operation is reduced, the welding quality is ensured, the process is simple, and the construction efficiency is improved.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (10)
1. The conversion beam column node is characterized by comprising a shear-resistant steel plate, two section steel beams, a cross-shaped steel column and a steel pipe column, wherein the section steel beam comprises a web plate and an upper flange and a lower flange which are respectively positioned on the upper side and the lower side of the web plate, the shear-resistant steel plate is vertically connected to the upper surface of the upper flange, a stiffening plate is arranged on the web plate, the upper end and the lower end of the stiffening plate are respectively and correspondingly connected with the upper flange and the lower flange, the two section steel beams are mutually and vertically connected, the cross-shaped steel column is arranged below the connection point of the two section steel beams, the steel pipe column is sleeved on the cross-shaped steel column, and the upper end of the cross-shaped steel column and the upper end of the steel pipe column are respectively connected with the lower surface of the lower flange.
2. The conversion beam column node according to claim 1, wherein the outer surfaces of the upper and lower flanges are provided with a plurality of equally spaced shear studs.
3. The conversion beam column node according to claim 1, wherein a plurality of tie bar ear plates are symmetrically laid on two side surfaces of the web respectively, and at least one hole for a tie bar to pass through is formed in each tie bar ear plate.
4. The conversion beam column node of claim 1 wherein the stiffener is located directly above the steel pipe column.
5. The conversion beam column node according to any one of claims 1 to 4, wherein a plurality of brackets are connected to the upper end of the outer peripheral wall of the steel pipe column, and each bracket is correspondingly arranged below each section steel beam one by one and connected with the corresponding section steel beam.
6. The construction process of the conversion beam column node is characterized by comprising the following steps of:
s1, processing two steel beams and a cross-shaped steel column in advance in a factory, welding the two steel beams and the cross-shaped steel column into a whole, and conveying the whole to a construction site;
s2, hoisting the steel pipe column by adopting a rotating and straightening method on a construction site;
s3, integrally hoisting the section steel beam and the cross-shaped steel column which are welded into a whole;
and S4, splicing the conversion beams among the plurality of conversion beam column nodes.
7. The construction process of the conversion beam column node as claimed in claim 6, wherein the specific operation steps of S2 are as follows: and arranging a lifting point on a bracket at the top end of the steel pipe column, fixing a sling through a lifting hole reserved on the steel bracket, correcting by using a jack and chain block equipment after lifting, and temporarily fixing and welding the steel pipe column.
8. The construction process of the conversion beam column node as claimed in claim 6, wherein the specific operation steps of S3 are as follows: the steel beam and the cross-shaped steel column which are welded into a whole are slowly hoisted to the upper side of the steel pipe column, the cross-shaped steel column is guaranteed to correctly extend into the steel pipe column, the direction and the position of the steel beam are adjusted, the steel beam is just positioned right above the bracket, and then the steel beam is fixed and welded.
9. The construction process of a conversion beam column joint as claimed in claim 6, wherein the specific operation steps of S4 are as follows: after the transfer beam is hoisted in place, the transfer beam is fixed at the end part of the section steel beam of the transfer beam column node by using bolts, and then the abutted seams are welded.
10. The construction process of the conversion beam column joint according to any one of claims 6 to 9, wherein when the section steel beam is processed, the lacing wire ear plates on the two side surfaces of the web plate are made of steel plates and are provided with at least two holes for the lacing wires to pass through; when the distance between two adjacent holes is smaller than 300mm, the steel plate is cut into a saw-tooth rack shape, and then one side with the saw teeth is welded on the web plate, so that the saw teeth and the web plate are enclosed to form a plurality of holes, and the continuous lacing wire ear plate is manufactured.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211253666.9A CN115492239B (en) | 2022-10-13 | 2022-10-13 | Conversion beam column joint and construction process thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211253666.9A CN115492239B (en) | 2022-10-13 | 2022-10-13 | Conversion beam column joint and construction process thereof |
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| CN115492239A true CN115492239A (en) | 2022-12-20 |
| CN115492239B CN115492239B (en) | 2023-12-15 |
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| CN202211253666.9A Active CN115492239B (en) | 2022-10-13 | 2022-10-13 | Conversion beam column joint and construction process thereof |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002327495A (en) * | 2001-05-02 | 2002-11-15 | Token Corp | Section steel jointing fittings and connection construction |
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2022
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| JP2002327495A (en) * | 2001-05-02 | 2002-11-15 | Token Corp | Section steel jointing fittings and connection construction |
| CN101638916A (en) * | 2009-08-20 | 2010-02-03 | 广东省建科建筑设计院 | Connecting joint of coating composite steel concrete transformation column with composite steel concrete transformation box beam |
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| CN207846686U (en) * | 2018-01-18 | 2018-09-11 | 西京学院 | A kind of bean column node of quick assembled type steel construction |
| CN208563574U (en) * | 2018-05-28 | 2019-03-01 | 福建工程学院 | The half double girder steel connection structures of perforation coupled column-perforation |
| CN109653354A (en) * | 2019-01-08 | 2019-04-19 | 天津大学 | A kind of detachable assembling type steel building connecting node |
| CN211816926U (en) * | 2019-12-13 | 2020-10-30 | 中民筑友房屋科技集团有限公司 | Girder steel cross node beam column connection structure |
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| CN115492239B (en) | 2023-12-15 |
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