CN115492239B - Conversion beam column joint and construction process thereof - Google Patents
Conversion beam column joint and construction process thereof Download PDFInfo
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- CN115492239B CN115492239B CN202211253666.9A CN202211253666A CN115492239B CN 115492239 B CN115492239 B CN 115492239B CN 202211253666 A CN202211253666 A CN 202211253666A CN 115492239 B CN115492239 B CN 115492239B
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- 238000006243 chemical reaction Methods 0.000 title claims abstract description 54
- 238000010276 construction Methods 0.000 title claims abstract description 36
- 238000000034 method Methods 0.000 title claims abstract description 25
- 230000008569 process Effects 0.000 title claims abstract description 19
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 171
- 239000010959 steel Substances 0.000 claims abstract description 171
- 238000003466 welding Methods 0.000 claims description 14
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 3
- 238000013461 design Methods 0.000 abstract description 5
- 239000011150 reinforced concrete Substances 0.000 abstract description 2
- 239000004567 concrete Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 7
- 238000004873 anchoring Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 238000010008 shearing Methods 0.000 description 4
- 230000007704 transition Effects 0.000 description 4
- 239000002131 composite material Substances 0.000 description 3
- 230000008859 change Effects 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
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
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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
-
- 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
-
- 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
-
- 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
-
- 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
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention relates to the technical field of reinforced concrete construction and discloses a conversion beam column node and a construction process thereof, wherein the conversion beam column node comprises a shear steel plate, two section steel beams, a cross steel column and a steel pipe column, the section steel beams comprise a web plate, upper flanges and lower flanges which are respectively positioned on the upper side and the lower side of the web plate, the shear steel plate is vertically connected to the upper surface of the upper flanges, a stiffening plate is arranged on the web plate, the upper end and the lower end of the stiffening plate are respectively correspondingly connected with the upper flanges and the lower flanges, the two section steel beams are mutually and vertically connected, the cross steel column is arranged below the connection point of the two section steel beams, the steel pipe column is sleeved on the cross steel column, and the upper end of the cross steel column and the upper end of the steel pipe column are respectively connected with the lower surface of the lower flanges. The invention can ensure engineering quality and node bearing capacity, meet structural design requirements and effectively improve construction efficiency.
Description
Technical Field
The invention relates to the technical field of steel reinforced concrete construction, in particular to a conversion beam column node and a construction process thereof.
Background
Along with the rapid development of economy, commercial and residential composite buildings are increasingly increased, and in order to meet the use requirements of the buildings, commercial and residential composite buildings often adopt a frame-shear wall conversion structure, and the section steel-concrete frame support shear wall combined structure is widely applied to 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 beam, column and wall components and enabling the beam, column and wall components to work together, the stress is complex, and the design and the structure directly influence the overall safety of the structure.
At present, a conventional section steel-concrete frame support shear wall structure takes a section steel column as a main body at a conversion beam column node, and the section steel column and the conversion beam are connected through externally adding brackets or lap joint steel plates.
Disclosure of Invention
The purpose of the invention is that: the conversion beam column node and the construction process thereof are designed to ensure engineering quality and node bearing capacity, meet structural design requirements and effectively improve construction efficiency.
In order to achieve the above purpose, the invention provides a conversion beam column node, which comprises a shear steel plate, two section steel beams, a cross steel column and a steel pipe column, wherein the section steel beams comprise a web plate, upper flanges and lower flanges which are respectively positioned at the upper side and the lower side of the web plate, the shear steel plate is vertically connected to the upper surface of the upper flanges, stiffening plates are arranged on the web plate, the upper end and the lower end of each stiffening plate are respectively correspondingly connected with the upper flanges and the lower flanges, the two section steel beams are mutually and vertically connected, the cross steel column is arranged below the connection point of the two section steel beams, the steel pipe column is sleeved on the cross steel column, and the upper end of the cross steel column and the upper end of the steel pipe column are respectively connected with the lower surface of the lower flanges.
Preferably, the outer surfaces of the upper flange and the lower flange are provided with a plurality of shear studs which are arranged at equal intervals.
Preferably, a plurality of lacing wire otic placodes have been laid to the both sides face of web symmetry respectively, be equipped with at least one hole that is used for lacing wire to pass on the lacing wire otic placode.
Preferably, the stiffening plate is located directly above the steel pipe column.
Preferably, a plurality of brackets are connected to the upper end of the outer peripheral wall of the steel pipe column, and each bracket is 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 for converting the beam column node, which comprises the following steps:
s1, respectively processing and welding two steel beams and a cross steel column into a whole in advance in a factory, and conveying to a construction site;
s2, hoisting the steel pipe column on a construction site by adopting a rotary straightening method;
s3, integrally hoisting the welded integrated steel beam and the cross steel column;
s4, splicing the conversion beams among the plurality of conversion beam column nodes.
Preferably, the specific operation steps of S2 are as follows: the lifting point is arranged on the bracket at the top end of the steel pipe column, a lifting hole reserved on the steel bracket is used for fixing a sling, a jack and chain-pouring equipment are used for correcting after lifting, and then the steel pipe column is temporarily fixed and welded.
Preferably, the specific operation steps of S3 are as follows: and slowly lifting the steel section beam and the cross steel column which are welded integrally to the upper part of the steel pipe column, ensuring that the cross steel column correctly stretches into the steel pipe column, adjusting the direction and the position of the steel section beam, enabling the steel section beam to be located right above the bracket, and then fixing and welding.
Preferably, the specific operation steps of S4 are as follows: after the conversion beam is hoisted in place, the conversion beam is fixed at the end part of the section steel beam of the conversion beam-column node by bolts, and then the splice is welded.
Preferably, when the profiled steel beam is processed, the lacing wire lug plates on the two sides 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, firstly cutting the steel plate into a saw-tooth strip shape, and then welding one side with saw teeth on the web plate to enable the saw teeth and the web plate to enclose to form a plurality of holes, so that the continuous lacing wire lug 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 abrupt change of rigidity and strength, strengthen the shearing resistance of the node, promote the continuity of vertical force transmission, ensure the stability and the integrity of the structure, ensure the engineering quality and the node bearing capacity, and has simple overall design and structure, thereby being convenient for hoisting construction.
Drawings
FIG. 1 is an overall block diagram of a conversion beam column node in accordance with an embodiment of the present invention;
FIG. 2 is a block diagram of a steel pipe column in a transition beam column node in accordance with an embodiment of the present invention;
FIG. 3 is a top view of a cross steel column and steel pipe column in a transfer beam column joint according to an embodiment of the present invention;
fig. 4 is a structural diagram of welding a medium-sized steel beam and a cross steel column into a whole in a construction process S1 for converting beam column joints according to the embodiment of the invention;
fig. 5 is a schematic installation diagram of a cross steel column and a steel pipe column in a construction process S3 for converting a beam column node according to an embodiment of the present invention;
fig. 6 is a schematic diagram of splicing a section steel beam of a conversion beam-column node with the conversion beam in the construction process S4 of the conversion beam-column node according to the embodiment of the present invention.
FIG. 7 is a block diagram of a conversion beam column node medium-sized steel beam and a discontinuous lacing wire ear plate according to an embodiment of the invention;
FIG. 8 is a block diagram of a conversion beam column node medium-sized steel beam and a continuous lacing wire ear plate according to an embodiment of the invention;
fig. 9 is a schematic cross-sectional view of a middle-sized steel girder tie bar for converting a beam column node 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. stiffening plates; 3. a cross steel column; 4. a steel pipe column; 41. a bracket; 5. a shear pin; 6. lacing wire ear plates; 61. a hole; 62. continuous lacing wire ear plates; 7. lacing wires; 8. and (5) hooping.
Detailed Description
The following describes in further detail the embodiments of the present invention with reference to the drawings and examples. The following examples are illustrative of the invention and are not intended to limit the scope of the invention.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. in the present invention are based on the orientation or positional relationship shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not 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 the present invention in a broad sense, and for example, may be fixedly connected, detachably connected, or integrated; the mechanical connection can be realized, and the welding connection can be realized; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
The terms "first", "second", etc. are used in the present invention to describe various information, but the information should not be limited to these terms, which are only used to distinguish the same type of information from each other. For example, a "first" message may also be referred to as a "second" message, and similarly, a "second" message may also be referred to as a "first" message, without departing from the scope of the 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 steel plate 1, two section steel beams 2, a cross steel column 3 and a steel pipe column 4, the section steel beams 2 include a web 21, and an upper flange 22 and a lower flange 23 respectively located at the upper side and the lower side of the web 21, the shear steel plate 1 is vertically connected to the upper surface of the upper flange 22, a stiffening plate 24 is disposed on the web 21, the upper end and the lower end 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 mutually and vertically connected, the cross steel column 3 is disposed right below the connection point of the two section steel beams 2, the steel pipe column 4 is sleeved on the cross steel column 3, and the upper end of the cross steel column 3 and the upper end of the steel pipe column 4 are respectively connected to the lower surface of the lower flange 23.
The main body structure of the conversion beam is vertically welded between the two section steel beams 2, the cross steel column 3 is used as the upper end of the anchoring structure to be welded with the lower flange 23 of the section steel beam 2, the lower end of the cross steel column stretches into the steel pipe column 4, the shearing resistant steel plate 1 is arranged at the connection part of the upper part of the section steel beam 2 and the cast-in-place concrete shear wall, the shearing resistant steel plate 1 is used as a transition section, the shearing resistance of the constraint edge component of the shear wall can be improved, and meanwhile the lap joint and the anchoring of the longitudinal ribs of the shear wall are facilitated. The transition beam column node structure can avoid abrupt change of rigidity and strength, strengthen shear resistance of the node, promote continuity of vertical force transmission, ensure stability and integrity of the structure, and has simple overall design and construction, and is convenient for hoisting construction.
Further, the outer surfaces of the upper flange 22 and the lower flange 23 are provided with a plurality of shear studs 5 which are arranged at equal intervals. The shear-resistant stud 5 has a rigid combined connection function, can increase the adhesive force between the concrete and the section steel beam 2, ensures that the shear force is effectively transmitted, prevents relative sliding between the concrete and the section steel beam 2, ensures that the section steel beam 2 and the concrete surface are firmly combined, and ensures common stress. The four ends of the cross steel column 3 are also provided with four flange plates, and the outer surfaces of the flange plates are also provided with a plurality of shear studs 5 which are arranged at equal intervals.
Further, as shown in fig. 7 and 9, a plurality of lacing wire ear plates 6 are symmetrically disposed on two side surfaces of the web 21, and at least one hole 61 for the lacing wire 7 to pass through is disposed on the lacing wire ear plates 6. The setting of lacing wire otic placode 6 can avoid opening the hole on shaped steel roof beam 2 web 21, makes things convenient for the arrangement and the ligature of lacing wire 7 when not reducing shaped steel roof beam 2 structural strength, can also strengthen the adhesion between steel skeleton and the concrete when later watering concrete. When the lacing wires are arranged, one end of each lacing wire 7 is hooked by 90 degrees, and the other end is hooked by 135 degrees, and the lacing wires are respectively pulled at the crossing points of the holes 61 of the lacing wire lug plates 6, the constructional steel bars and the hoops 8.
When the tie-bar ear plates 6 of the profiled steel beam 2 are densely arranged and the number is large, the continuous tie-bar ear plates 62 can be arranged, the continuous tie-bar ear plates 62 are made of 10-12 mm thick steel plates, firstly, the steel plates are processed into zigzag strips, then, one side with sawteeth is welded on the side face of the web 21 of the profiled steel beam 2, and a plurality of holes 61 for tie bars 7 are formed by enclosing with the web 21.
Further, the stiffening plate 24 is located directly over the steel pipe column 4, the stiffening plate 24 can increase rigidity and stability of the conversion beam column node, continuity of vertical force transmission is guaranteed, and the stiffening plate is arranged directly over the peripheral wall of the steel pipe column 4 and can facilitate transmission of axial force.
Further, as shown in fig. 2, a plurality of brackets 41 are connected to the upper end of the outer peripheral wall of the steel pipe column 4, and each bracket 41 is disposed below each section steel beam 2 in one-to-one correspondence and is connected to the corresponding section steel beam 2. The bracket 41 is of an inverted T shape, a hanging hole is reserved on the bracket 41 and can be used as a hanging point for hanging the steel pipe column 4, and meanwhile, the bracket 41 can also be used for welding and anchoring the longitudinal bottom ribs of the section steel beam 2.
Further, the outer end portion of the web 21 is provided with a bolt hole 211, and the bolt hole 211 facilitates splicing and fixing between 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 for converting beam-column nodes, comprising the following steps:
s1, respectively processing and welding two-section steel beams 2 and a cross steel column 3 into a whole in a factory in advance, and conveying to a construction site;
s2, hoisting the steel pipe column 4 on a construction site by adopting a rotary straightening method;
s3, integrally hoisting the welded integrated profile steel beam 2 and the cross steel column 3;
s4, splicing the conversion beams among the plurality of conversion beam column nodes.
The main parts of the conversion beam column node are processed and manufactured in a factory and then transported to a construction site, so that the on-site welding operation can be reduced, the welding quality is ensured, the procedures are simplified, and the on-site construction efficiency is improved.
Further, the specific operation steps of S2 are as follows: the lifting point is arranged on the bracket 41 at the top end of the steel pipe column 4, a lifting rope is fixed by utilizing a lifting hole reserved on the steel bracket 41, the lifting is corrected by utilizing a jack and chain-pouring equipment after being lifted, and then the steel pipe column 4 is temporarily fixed and welded.
Further, the specific operation steps of S3 are as follows: and slowly lifting the welded integral section steel beam 2 and the cross steel column 3 above the steel pipe column 4, ensuring that the cross steel column 3 correctly stretches into the steel pipe column 4, adjusting the direction and the position of the section steel beam 2, enabling the section steel beam 2 to be located right above the bracket 41, and then fixing and welding.
Further, the specific operation steps of S4 are as follows: after the conversion beam is hoisted in place, the conversion beam is fixed at the end part of the section steel beam 2 of the conversion beam-column node by bolts, and then the seam is welded. The conversion beam here is also a section steel beam 2.
Further, as shown in fig. 7, when the profiled steel beam 2 is processed, the lacing wire ear plates 6 on both sides of the web 21 are made of steel plates, and at least two holes through which the lacing wires 7 pass are provided.
Further, as shown in fig. 8, when the distance between two adjacent holes is smaller than 300mm, the tie-bar ear plates 6 of the profiled steel beam 2 are densely arranged and more in number, and the continuous tie-bar ear plates 62 can be arranged, wherein the continuous tie-bar ear plates 62 are made of thick steel plates with the thickness of 10-12 mm, firstly the steel plates are processed into a saw-tooth strip shape, then one side with saw teeth is welded on the side surface of the web plate 21 of the profiled steel beam 2, and a plurality of holes 61 for the tie bars 7 are formed by enclosing with the web plate 21.
In summary, the embodiment of the invention provides a conversion beam column node and a construction process thereof, which avoid forming holes on a web 21 of a section steel beam 2 by arranging lacing lugs 6, do not reduce the structural strength of the section steel beam 2, facilitate the arrangement and binding of lacing wires 7, and enhance 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 steel column 3 as an anchoring structure, the upper end of the cross steel column is welded with the lower flange 23 of the section steel beam 2, and the lower end of the cross steel column extends into the lower steel pipe column 4, so that the conversion beam column node structure is reinforced, and the stability and the integrity of the structure are improved; in order to avoid abrupt changes in rigidity and strength, a shear steel plate 1 is arranged at the connection 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 node structure adopts a sectional and block mounting method, the section steel beam 2 and the cross steel column 3 are processed and manufactured in a factory, and then transported to a construction site for mounting, so that the on-site welding operation is reduced, the welding quality is ensured, the working procedure is simple, and the construction efficiency is improved.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present invention, and these modifications and substitutions should also be considered as being within the scope of the present invention.
Claims (6)
1. A construction process of a conversion beam-column joint, characterized in that the conversion beam-column joint comprises: the steel tube column is sleeved on the cross steel column, and the upper end of the cross steel column and the upper end of the steel tube column are respectively connected with the lower surface of the lower flange; the stiffening plate is positioned right above the steel pipe column; the upper end of the peripheral wall of the steel pipe column is connected with a plurality of brackets, each bracket is arranged below each section steel beam in a one-to-one correspondence manner and is connected with the corresponding section steel beam, hanging holes are reserved in the brackets, the brackets are in an inverted T shape, and each bracket and each web plate are arranged in a one-to-one correspondence manner;
the construction process of the conversion beam column node specifically comprises the following steps:
s1, respectively processing and welding two steel beams and a cross steel column into a whole in advance in a factory, and conveying to a construction site;
s2, hoisting the steel pipe column on a construction site by adopting a rotary straightening method;
s3, integrally hoisting the welded integrated steel beam and the cross steel column;
s4, splicing the conversion beams among the plurality of conversion beam column nodes;
the specific operation steps of the S3 are as follows: and slowly lifting the steel section beam and the cross steel column which are welded integrally to the upper part of the steel pipe column, ensuring that the cross steel column correctly stretches into the steel pipe column, adjusting the direction and the position of the steel section beam, enabling the steel section beam to be located right above the bracket, and then fixing and welding.
2. The construction process of the conversion beam column node according to claim 1, wherein a plurality of shear studs are arranged on the outer surfaces of the upper flange and the lower flange at equal intervals.
3. The construction process of the conversion beam column node according to claim 1, wherein a plurality of lacing wire ear plates are symmetrically paved on two side surfaces of the web plate respectively, and at least one hole for a lacing wire to pass through is formed in the lacing wire ear plates.
4. The construction process of the conversion beam column node according to claim 1, wherein the specific operation steps of S2 are as follows: the lifting point is arranged on the bracket at the top end of the steel pipe column, a lifting hole reserved on the steel bracket is used for fixing a sling, a jack and chain-pouring equipment are used for correcting after lifting, and then the steel pipe column is temporarily fixed and welded.
5. The construction process of the conversion beam column node according to claim 1, wherein the specific operation steps of S4 are as follows: after the conversion beam is hoisted in place, the conversion beam is fixed at the end part of the section steel beam of the conversion beam-column node by bolts, and then the splice is welded.
6. The construction process of the conversion beam column node according to any one of claims 1 to 5, wherein when the section steel beam is processed, the lacing wire lug plates on the two sides of the web plate are made of steel plates and are provided with at least two holes for lacing wires to pass through, when the distance between every two adjacent holes is smaller than 300mm, the steel plates are cut into a saw-tooth strip shape, and then one side with 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 lug plates are 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 |
Applications Claiming Priority (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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115492239A CN115492239A (en) | 2022-12-20 |
| CN115492239B true CN115492239B (en) | 2023-12-15 |
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| Application Number | Title | Priority Date | Filing Date |
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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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| 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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| CN109653354A (en) * | 2019-01-08 | 2019-04-19 | 天津大学 | A kind of detachable assembling type steel building connecting node |
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