CN112411763A - Steel column and profiled steel plate concrete composite board connecting joint and construction method - Google Patents
Steel column and profiled steel plate concrete composite board connecting joint and construction method Download PDFInfo
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- CN112411763A CN112411763A CN202011253122.3A CN202011253122A CN112411763A CN 112411763 A CN112411763 A CN 112411763A CN 202011253122 A CN202011253122 A CN 202011253122A CN 112411763 A CN112411763 A CN 112411763A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 543
- 239000010959 steel Substances 0.000 title claims abstract description 543
- 239000004567 concrete Substances 0.000 title claims abstract description 147
- 239000002131 composite material Substances 0.000 title claims abstract description 125
- 238000010276 construction Methods 0.000 title claims abstract description 18
- 238000003466 welding Methods 0.000 claims abstract description 20
- 238000004519 manufacturing process Methods 0.000 claims abstract description 19
- 238000000034 method Methods 0.000 claims abstract description 8
- 238000013461 design Methods 0.000 claims description 18
- 230000003014 reinforcing effect Effects 0.000 claims description 17
- 230000000149 penetrating effect Effects 0.000 claims description 8
- 238000012545 processing Methods 0.000 claims description 7
- 230000002457 bidirectional effect Effects 0.000 claims description 6
- 238000003754 machining Methods 0.000 claims description 2
- 239000011150 reinforced concrete Substances 0.000 claims 1
- 230000008901 benefit Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000000463 material Substances 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
- E04B1/38—Connections for building structures in general
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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
- E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
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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
- E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
- E04B1/4114—Elements with sockets
- E04B1/4121—Elements with sockets with internal threads or non-adjustable captive nuts
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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
- E04B1/41—Connecting devices specially adapted for embedding in concrete or masonry
- E04B1/4157—Longitudinally-externally threaded elements extending from the concrete or masonry, e.g. anchoring bolt with embedded head
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Abstract
A steel column and profiled steel plate concrete composite board connecting node and a construction method are provided, the node comprises a steel column, a profiled steel plate concrete composite board and a stiffening steel plate, an upper outer ring board, a lower outer ring board and a through bolt are further included when an outer ring board is matched with the through bolt, and a top angle steel, a bottom angle steel and a high-strength bolt are further included when top and bottom angle steel is matched with the high-strength bolt. The method comprises the following steps: manufacturing a steel column, a profiled steel plate concrete composite plate, an outer ring plate or top and bottom angle steel; installing a steel column; mounting a lower outer ring plate or bottom angle steel to a specified position of the steel column; lifting the profiled steel plate concrete composite slab to fall after aiming at the steel column, so that the steel column passes through the reserved hole; installing an upper outer ring plate after the profiled steel sheet concrete composite plate falls on a lower outer ring plate, and installing a top angle steel after the profiled steel sheet concrete composite plate falls on a bottom angle steel horizontal limb; aligning the reserved bolt holes, and installing through bolts or high-strength bolts until the assembly is finished; the vertical limbs of the top and bottom angle steels can be connected with the steel columns by expansion bolts or welding.
Description
Technical Field
The invention belongs to the technical field of constructional engineering, and particularly relates to a steel column and profiled steel plate concrete composite board connecting node and a construction method.
Background
The stress characteristic of the plate column structure under the action of horizontal load is similar to that of a frame structure, and a column upper plate replaces a frame beam, so that the plate column structure belongs to a special condition of the frame structure. At present, the prefabricated concrete structure system is in an important development stage in China, and is widely applied to a plate column structure. Compared with the traditional cast-in-place construction mode, the assembly type building greatly reduces the energy resource consumption in the engineering construction process, reduces the environmental pollution and the project site temporary land caused by the traditional construction, improves the working environment of workers and effectively improves the labor production efficiency.
The profiled steel plate concrete composite board can fully utilize two materials, namely steel and concrete, has the advantages of high rigidity, high bearing capacity, convenience in construction operation and the like, and is widely applied to high-rise buildings, large-span structures and large bridge structures. In the profiled steel sheet concrete composite slab, the profiled steel sheet functions as a tensile main reinforcement for resisting the positive bending moment of the slab face.
The steel column is used as a bearing structure, so that the dead weight is light, the vertical load and the earthquake action transmitted to a foundation by the structure can be obviously reduced, the ductility is good, the adaptability to dynamic load is strong, and the structure has the deformation capability of resisting strong earthquake.
Therefore, the plate-column structure of the steel column and profiled steel plate concrete composite plate can fully utilize respective structural characteristics, and further improve the lateral force resistance and the seismic performance of the plate-column structure. However, it is critical in which way the steel columns are connected to the profiled steel sheet concrete composite panel.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides the connection node of the steel column and the profiled steel plate concrete composite board and the construction method, which can take the construction efficiency and the economic benefit into consideration while ensuring the stable connection of the steel column and the profiled steel plate concrete composite board, avoid the problems of heavy concrete floor slab, low strength and high steel structure cost, reduce the self weight of the structure and improve the integrity, the stability and the earthquake resistance of the slab-column structure.
In order to achieve the purpose, the invention adopts the following technical scheme: a steel column and profiled steel plate concrete composite board connecting node adopts a mode that an outer ring plate is matched and connected with a through bolt, and comprises a steel column, a profiled steel plate concrete composite board, a stiffening steel plate, an upper outer ring plate, a lower outer ring plate and a through bolt; a steel column preformed hole is formed in the middle of the profiled steel plate concrete composite board, the steel column penetrates through the steel column preformed hole, and the stiffening steel plate is welded and fixed on the steel column at the position of the steel column preformed hole; the upper outer ring plate is positioned on the upper surface of the profiled steel plate concrete composite plate and distributed along the circumferential direction of the steel column, and the inner end of the upper outer ring plate is fixedly connected to the stiffening steel plate and the steel column in a welding manner; the lower outer ring plate is positioned on the lower surface of the profiled steel plate concrete composite plate and distributed along the circumferential direction of the steel column, and the inner end of the lower outer ring plate is fixedly connected to the stiffening steel plate and the steel column in a welding manner; a plurality of reserved bolt holes are correspondingly distributed on the upper outer ring plate, the profiled steel plate concrete composite plate and the lower outer ring plate, a through bolt is installed in each reserved bolt hole, and the upper outer ring plate, the profiled steel plate concrete composite plate and the lower outer ring plate are fixedly connected through the through bolts.
The construction method of the steel column and profiled steel plate concrete composite board connecting joint comprises the following steps:
the method comprises the following steps: manufacturing a steel column, an upper outer ring plate, a lower outer ring plate and a profiled steel plate concrete composite plate;
firstly, when manufacturing a steel column, firstly, selecting section steel as the steel column according to design requirements, and then welding stiffening steel plates between flanges at two sides of the middle part of a web plate of the section steel to ensure that the stiffening steel plates are parallel to the web plate of the section steel;
when the upper outer ring plate and the lower outer ring plate are manufactured, firstly, selecting steel plates as the upper outer ring plate and the lower outer ring plate according to the design size, and then machining the preset number of reserved bolt holes at the set positions on the upper outer ring plate and the lower outer ring plate;
thirdly, when the profiled steel plate concrete composite slab is manufactured, firstly, profiled steel plates are selected according to design requirements, steel column reserved holes are machined in the middle of the profiled steel plates, then, a specified number of reserved bolt holes are machined in set positions of the profiled steel plates, then, a template is supported above the profiled steel plates, a bidirectional reinforcing mesh and a reserved bolt hole forming die are laid in the template, and finally, concrete is poured in the template until the concrete is cured and formed;
step two: mounting and positioning the manufactured steel column to a specified position;
step three: welding and fixing the manufactured lower outer ring plate to a specified position on the steel column;
step four: hoisting and lifting the manufactured profiled steel plate concrete composite board to the upper part of the top of the steel column, enabling a steel column preformed hole in the middle of the profiled steel plate concrete composite board to be opposite to the top of the steel column, then controlling the profiled steel plate concrete composite board to descend, enabling the steel column to penetrate through the steel column preformed hole in the middle of the profiled steel plate concrete composite board until the profiled steel plate concrete composite board accurately falls on the lower outer ring board, and simultaneously ensuring that the profiled steel plate concrete composite board is aligned with a preformed bolt hole in the lower outer ring board;
step five: the manufactured upper outer ring plate is horizontally placed on the upper surface of the profiled steel plate concrete composite plate and located at a designated position on the steel column, the upper outer ring plate is ensured to be aligned with a reserved bolt hole in the profiled steel plate concrete composite plate, and then the upper outer ring plate and the steel column are welded together;
step six: and penetrating a through bolt into each reserved bolt hole and screwing a nut until the assembly is finished.
A connecting node of a steel column and a profiled steel plate concrete composite board adopts a top and bottom angle steel and high-strength bolt matching connection mode, and comprises the steel column, the profiled steel plate concrete composite board, a stiffening steel plate, top angle steel, bottom angle steel and high-strength bolts; a steel column preformed hole is formed in the middle of the profiled steel plate concrete composite board, the steel column penetrates through the steel column preformed hole, and the stiffening steel plate is welded and fixed on the steel column at the position of the steel column preformed hole; the top angle steel is positioned above the profiled steel plate concrete composite board and distributed along the circumferential direction of the steel column, a plurality of horizontal reserved bolt holes are correspondingly distributed among the vertical limb of the top angle steel, the stiffening steel plate and the steel column, each reserved bolt hole is provided with a high-strength bolt, and the vertical limb of the top angle steel is fixedly connected with the stiffening steel plate and the steel column through the high-strength bolt; the bottom angle steel is positioned below the profiled steel plate concrete composite board and distributed along the circumferential direction of the steel column, a plurality of horizontal reserved bolt holes are correspondingly distributed among the vertical limb of the bottom angle steel, the stiffening steel plate and the steel column, each reserved bolt hole is provided with a high-strength bolt, and the vertical limb of the bottom angle steel is fixedly connected with the stiffening steel plate and the steel column through the high-strength bolt; the horizontal limb of top angle steel, the horizontal limb of profiled steel sheet concrete compoboard and bottom angle steel correspond to distribute and have a plurality of vertical to reserve the bolt hole, all install high strength bolt in every reservation bolt hole, carry out fixed connection through high strength bolt between the horizontal limb of above-mentioned top angle steel, the horizontal limb of profiled steel sheet concrete compoboard and bottom angle steel.
The high-strength bolts used for fixedly connecting the top angle steel vertical limb and the bottom angle steel vertical limb with the steel column and the stiffening steel plate can be replaced by expansion bolts, or the high-strength bolts and the expansion bolts are not used, and the top angle steel vertical limb and the bottom angle steel vertical limb are directly connected with the steel column and the stiffening steel plate in a welding mode.
The construction method of the steel column and profiled steel plate concrete composite board connecting joint comprises the following steps:
the method comprises the following steps: manufacturing a steel column, top angle steel, bottom angle steel and a profiled steel sheet concrete composite board;
firstly, when manufacturing a steel column, firstly, selecting section steel as the steel column according to design requirements, and then welding stiffening steel plates between flanges at two sides of the middle part of a web plate of the section steel to ensure that the stiffening steel plates are parallel to the web plate of the section steel;
secondly, when manufacturing top angle steel and bottom angle steel, selecting right angle steel as the top angle steel and the bottom angle steel according to the design size, and then processing a specified number of reserved bolt holes at set positions on horizontal limbs and vertical limbs of the top angle steel and the bottom angle steel;
thirdly, when the profiled steel plate concrete composite slab is manufactured, firstly, profiled steel plates are selected according to design requirements, steel column reserved holes are machined in the middle of the profiled steel plates, then, a specified number of reserved bolt holes are machined in set positions of the profiled steel plates, then, a template is supported above the profiled steel plates, a bidirectional reinforcing mesh and a reserved bolt hole forming die are laid in the template, and finally, concrete is poured in the template until the concrete is cured and formed;
step two: mounting and positioning the manufactured steel column to a specified position;
step three: the manufactured bottom angle steel is sent to a designated position on the steel column, and the vertical limb of the bottom angle steel is ensured to be aligned with the reserved bolt holes on the steel column and the stiffening steel plate;
step four: penetrating a high-strength bolt into each reserved bolt hole and screwing a nut until bottom angle steel is fixed on the steel column;
step five: hoisting and lifting the manufactured profiled steel plate concrete composite board to the upper part of the top of the steel column, enabling a steel column preformed hole in the middle of the profiled steel plate concrete composite board to be opposite to the top of the steel column, then controlling the profiled steel plate concrete composite board to descend, enabling the steel column to penetrate through the steel column preformed hole in the middle of the profiled steel plate concrete composite board until the profiled steel plate concrete composite board accurately falls on the bottom angle steel horizontal limb, and simultaneously ensuring that the profiled steel plate concrete composite board is aligned with a preformed bolt hole in the bottom angle steel horizontal limb;
step six: placing the manufactured top angle steel on the upper surface of the profiled steel plate concrete composite board and at a specified position on the steel column, ensuring that the horizontal limb of the top angle steel is aligned with a reserved bolt hole on the profiled steel plate concrete composite board, and simultaneously ensuring that the vertical limb of the top angle steel is aligned with the reserved bolt holes on the steel column and the stiffening steel plate;
step seven: and penetrating a high-strength bolt into each reserved bolt hole and screwing a nut until the assembly is finished.
The invention has the beneficial effects that:
according to the connection node of the steel column and the profiled steel plate concrete composite board and the construction method, stable connection of the steel column and the profiled steel plate concrete composite board is guaranteed, meanwhile, construction efficiency and economic benefits can be considered, the problems of heaviness, low strength and high steel structure cost of a concrete floor slab are solved, the self weight of the structure is reduced, and the integrity, stability and earthquake resistance of a slab-column structure are improved.
Drawings
FIG. 1 is a schematic structural view of a steel column and profiled steel sheet concrete composite panel connection node (adopting an outer ring plate and through bolts for matching connection) according to the present invention;
FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;
FIG. 3 is a cross-sectional view taken along line B-B of FIG. 1;
FIG. 4 is a schematic structural view of a connection node (adopting a top-bottom angle steel and high-strength bolt matching connection mode) of a steel column and a profiled steel plate concrete composite board according to the invention;
FIG. 5 is a cross-sectional view taken along line C-C of FIG. 4;
FIG. 6 is a cross-sectional view taken along line D-D of FIG. 4;
FIG. 7 is a schematic structural view of a profiled steel sheet concrete composite panel;
FIG. 8 is a cross-sectional view taken along line E-E of FIG. 7;
in the figure, 1-steel column, 2-upper outer ring plate, 3-through bolt, 4-two-way reinforcing mesh, 5-lower outer ring plate, 6-profiled steel plate concrete composite plate, 7-concrete, 8-stiffening steel plate, 9-reserved bolt hole, 10-profiled steel plate, 11-high-strength bolt, 12-top angle steel, 13-bottom angle steel.
Detailed Description
The invention is described in further detail below with reference to the figures and the specific embodiments.
As shown in fig. 1, 2, 3, 7 and 8, a steel column and profiled steel sheet concrete composite panel connecting node adopts a manner that an outer ring plate is matched and connected with a through bolt, and comprises a steel column 1, a profiled steel sheet concrete composite panel 6, a stiffening steel plate 8, an upper outer ring plate 2, a lower outer ring plate 5 and a through bolt 3; a steel column preformed hole is formed in the middle of the profiled steel plate concrete composite board 6, the steel column 1 penetrates through the steel column preformed hole, and the stiffening steel plate 8 is welded and fixed on the steel column 1 at the position of the steel column preformed hole; the upper outer ring plate 2 is positioned on the upper surface of the profiled steel plate concrete composite plate 6 and is distributed along the circumferential direction of the steel column 1, and the inner end of the upper outer ring plate 2 is fixedly connected to the stiffening steel plate 8 and the steel column 1 in a welding manner; the lower outer ring plate 5 is positioned on the lower surface of the profiled steel plate concrete composite plate 6 and distributed along the circumferential direction of the steel column 1, and the inner end of the lower outer ring plate 5 is fixedly connected to the stiffening steel plate 8 and the steel column 1 in a welding manner; a plurality of reserved bolt holes 9 are correspondingly distributed on the upper outer ring plate 2, the profiled steel plate concrete composite plate 6 and the lower outer ring plate 5, a through bolt 3 is installed in each reserved bolt hole 9, and the upper outer ring plate 2, the profiled steel plate concrete composite plate 6 and the lower outer ring plate 5 are fixedly connected through the through bolts 3.
The construction method of the steel column and profiled steel plate concrete composite board connecting joint comprises the following steps:
the method comprises the following steps: manufacturing a steel column 1, an upper outer ring plate 2, a lower outer ring plate 5 and a profiled steel plate concrete composite plate 6;
firstly, when manufacturing a steel column 1, firstly, selecting section steel as the steel column 1 according to design requirements, and then welding stiffening steel plates 8 between flanges at two sides of the middle part of a web plate of the section steel to ensure that the stiffening steel plates 8 are parallel to the web plate of the section steel;
when the upper outer ring plate 2 and the lower outer ring plate 5 are manufactured, firstly, steel plates are selected as the upper outer ring plate 2 and the lower outer ring plate 5 according to the design size, and then, a specified number of reserved bolt holes 9 are processed at set positions on the upper outer ring plate 2 and the lower outer ring plate 5;
thirdly, when manufacturing the profiled steel sheet concrete composite panel 6, firstly selecting a profiled steel sheet 10 according to design requirements, processing a steel column reserved hole in the middle of the profiled steel sheet 10, then processing a specified number of reserved bolt holes 9 in a set position of the profiled steel sheet 10, then supporting a template above the profiled steel sheet 10, laying a bidirectional reinforcing mesh 4 and a reserved bolt hole 9 forming mold in the template, and finally pouring concrete 7 in the template until the concrete 7 is cured and formed;
step two: mounting and positioning the manufactured steel column 1 to a specified position;
step three: welding and fixing the manufactured lower outer ring plate 5 to a specified position on the steel column 1;
step four: hoisting and lifting the manufactured profiled steel plate concrete composite panel 6 above the top of the steel column 1, enabling a steel column preformed hole in the middle of the profiled steel plate concrete composite panel 6 to be opposite to the top of the steel column 1, then controlling the profiled steel plate concrete composite panel 6 to descend, enabling the steel column 1 to penetrate through the steel column preformed hole in the middle of the profiled steel plate concrete composite panel 6 until the profiled steel plate concrete composite panel 6 accurately falls on the lower outer ring plate 5, and simultaneously ensuring that the profiled steel plate concrete composite panel 6 is aligned with a preformed bolt hole 9 in the lower outer ring plate 5;
step five: flatly placing the manufactured upper outer ring plate 2 on the upper surface of the profiled steel sheet concrete composite plate 6 and at a specified position on the steel column 1, ensuring that the upper outer ring plate 2 is aligned with a reserved bolt hole 9 on the profiled steel sheet concrete composite plate 6, and then welding the upper outer ring plate 2 and the steel column 1 together;
step six: the through bolt 3 is inserted into each of the reserved bolt holes 9 and the nut is tightened until the assembly is completed.
As shown in fig. 4, 5, 6, 7 and 8, a connection node of a steel column and a profiled steel plate concrete composite board adopts a top-bottom angle steel and high-strength bolt matching connection mode, and comprises a steel column 1, a profiled steel plate concrete composite board 6, a stiffening steel plate 8, a top angle steel 12, a bottom angle steel 13 and a high-strength bolt 11; a steel column preformed hole is formed in the middle of the profiled steel plate concrete composite board 6, the steel column 1 penetrates through the steel column preformed hole, and the stiffening steel plate 8 is welded and fixed on the steel column 1 at the position of the steel column preformed hole; the top angle steel 12 is located above the profiled steel plate concrete composite slab 6 and distributed along the circumferential direction of the steel column 1, a plurality of horizontal reserved bolt holes 9 are correspondingly distributed between the vertical limb of the top angle steel 12 and the stiffening steel plate 8 as well as between the vertical limb of the top angle steel 12 and the steel column 1, each reserved bolt hole 9 is provided with a high-strength bolt 11, and the vertical limb of the top angle steel 12 is fixedly connected with the stiffening steel plate 8 and the steel column 1 through the high-strength bolt 11; the bottom angle steel 13 is positioned below the profiled steel plate concrete composite board 6 and distributed along the circumferential direction of the steel column 1, a plurality of horizontal reserved bolt holes 9 are correspondingly distributed between the vertical limb of the bottom angle steel 13 and the stiffening steel plate 8 as well as between the vertical limb of the bottom angle steel 13 and the steel column 1, each reserved bolt hole 9 is provided with a high-strength bolt 11, and the vertical limb of the bottom angle steel 13 is fixedly connected with the stiffening steel plate 8 and the steel column 1 through the high-strength bolt 11; a plurality of vertical reserved bolt holes 9 are correspondingly distributed on the horizontal limb of the top angle steel 12, the horizontal limb of the profiled steel plate concrete composite board 6 and the horizontal limb of the bottom angle steel 13, a high-strength bolt 11 is installed in each reserved bolt hole 9, and the horizontal limb of the top angle steel 12, the horizontal limb of the profiled steel plate concrete composite board 6 and the horizontal limb of the bottom angle steel 13 are fixedly connected through the high-strength bolt 11.
The high-strength bolts 11 used for fixedly connecting the vertical limbs of the top angle steel 12 and the vertical limbs of the bottom angle steel 13 with the steel column 1 and the stiffening steel plate 8 can be replaced by expansion bolts, or the high-strength bolts 11 and the expansion bolts are not used, and the vertical limbs of the top angle steel 12 and the vertical limbs of the bottom angle steel 13 are directly connected with the steel column 1 and the stiffening steel plate 8 in a welding mode.
The construction method of the steel column and profiled steel plate concrete composite board connecting joint comprises the following steps:
the method comprises the following steps: manufacturing a steel column 1, top angle steel 12, bottom angle steel 13 and a profiled steel sheet concrete composite board 6;
firstly, when manufacturing a steel column 1, firstly, selecting section steel as the steel column 1 according to design requirements, and then welding stiffening steel plates 8 between flanges at two sides of the middle part of a web plate of the section steel to ensure that the stiffening steel plates 8 are parallel to the web plate of the section steel;
secondly, when manufacturing the top angle steel 12 and the bottom angle steel 13, selecting right angle steel as the top angle steel 12 and the bottom angle steel 13 according to the design size, and then processing a specified number of reserved bolt holes 9 at set positions on horizontal limbs and vertical limbs of the top angle steel 12 and the bottom angle steel 13;
thirdly, when manufacturing the profiled steel sheet concrete composite panel 6, firstly selecting a profiled steel sheet 10 according to design requirements, processing a steel column reserved hole in the middle of the profiled steel sheet 10, then processing a specified number of reserved bolt holes 9 in a set position of the profiled steel sheet 10, then supporting a template above the profiled steel sheet 10, laying a bidirectional reinforcing mesh 4 and a reserved bolt hole 9 forming mold in the template, and finally pouring concrete 7 in the template until the concrete 7 is cured and formed;
step two: mounting and positioning the manufactured steel column 1 to a specified position;
step three: the manufactured bottom angle steel 13 is sent to a designated position on the steel column 1, and the vertical limb of the bottom angle steel 13 is ensured to be aligned with the reserved bolt holes 9 on the steel column 1 and the stiffening steel plate 8;
step four: penetrating a high-strength bolt 11 into each reserved bolt hole 9 and screwing a nut until bottom angle steel 13 is fixed on the steel column 1;
step five: hoisting and lifting the manufactured profiled steel plate concrete composite board 6 above the top of the steel column 1, enabling a steel column preformed hole in the middle of the profiled steel plate concrete composite board 6 to be opposite to the top of the steel column 1, then controlling the profiled steel plate concrete composite board 6 to descend, enabling the steel column 1 to penetrate through the steel column preformed hole in the middle of the profiled steel plate concrete composite board 6 until the profiled steel plate concrete composite board 6 accurately falls on the horizontal limb of the bottom angle steel 13, and simultaneously ensuring that the profiled steel plate concrete composite board 6 is aligned with a preformed bolt hole 9 in the horizontal limb of the bottom angle steel 13;
step six: placing the manufactured top angle steel 12 on the upper surface of the profiled steel sheet concrete composite board 6 and at a specified position on the steel column 1, ensuring that the horizontal limb of the top angle steel 12 is aligned with the reserved bolt hole 9 on the profiled steel sheet concrete composite board 6, and ensuring that the vertical limb of the top angle steel 12 is aligned with the reserved bolt hole 9 on the steel column 1 and the stiffening steel plate 8;
step seven: and (4) penetrating a high-strength bolt 11 into each reserved bolt hole 9 and screwing a nut until the assembly is finished.
The embodiments are not intended to limit the scope of the present invention, and all equivalent implementations or modifications without departing from the scope of the present invention are intended to be included in the scope of the present invention.
Claims (5)
1. The utility model provides a steel column and profiled steel sheet concrete compoboard connected node which characterized in that: the steel column reinforced concrete composite plate comprises a steel column, a profiled steel plate concrete composite plate, a stiffening steel plate, an upper outer ring plate, a lower outer ring plate and a through bolt; a steel column preformed hole is formed in the middle of the profiled steel plate concrete composite board, the steel column penetrates through the steel column preformed hole, and the stiffening steel plate is welded and fixed on the steel column at the position of the steel column preformed hole; the upper outer ring plate is positioned on the upper surface of the profiled steel plate concrete composite plate and distributed along the circumferential direction of the steel column, and the inner end of the upper outer ring plate is fixedly connected to the stiffening steel plate and the steel column in a welding manner; the lower outer ring plate is positioned on the lower surface of the profiled steel plate concrete composite plate and distributed along the circumferential direction of the steel column, and the inner end of the lower outer ring plate is fixedly connected to the stiffening steel plate and the steel column in a welding manner; a plurality of reserved bolt holes are correspondingly distributed on the upper outer ring plate, the profiled steel plate concrete composite plate and the lower outer ring plate, a through bolt is installed in each reserved bolt hole, and the upper outer ring plate, the profiled steel plate concrete composite plate and the lower outer ring plate are fixedly connected through the through bolts.
2. The construction method of the connection node of the steel column and the profiled steel sheet concrete composite slab as claimed in claim 1, characterized by comprising the steps of:
the method comprises the following steps: manufacturing a steel column, an upper outer ring plate, a lower outer ring plate and a profiled steel plate concrete composite plate;
firstly, when manufacturing a steel column, firstly, selecting section steel as the steel column according to design requirements, and then welding stiffening steel plates between flanges at two sides of the middle part of a web plate of the section steel to ensure that the stiffening steel plates are parallel to the web plate of the section steel;
when the upper outer ring plate and the lower outer ring plate are manufactured, firstly, selecting steel plates as the upper outer ring plate and the lower outer ring plate according to the design size, and then machining the preset number of reserved bolt holes at the set positions on the upper outer ring plate and the lower outer ring plate;
thirdly, when the profiled steel plate concrete composite slab is manufactured, firstly, profiled steel plates are selected according to design requirements, steel column reserved holes are machined in the middle of the profiled steel plates, then, a specified number of reserved bolt holes are machined in set positions of the profiled steel plates, then, a template is supported above the profiled steel plates, a bidirectional reinforcing mesh and a reserved bolt hole forming die are laid in the template, and finally, concrete is poured in the template until the concrete is cured and formed;
step two: mounting and positioning the manufactured steel column to a specified position;
step three: welding and fixing the manufactured lower outer ring plate to a specified position on the steel column;
step four: hoisting and lifting the manufactured profiled steel plate concrete composite board to the upper part of the top of the steel column, enabling a steel column preformed hole in the middle of the profiled steel plate concrete composite board to be opposite to the top of the steel column, then controlling the profiled steel plate concrete composite board to descend, enabling the steel column to penetrate through the steel column preformed hole in the middle of the profiled steel plate concrete composite board until the profiled steel plate concrete composite board accurately falls on the lower outer ring board, and simultaneously ensuring that the profiled steel plate concrete composite board is aligned with a preformed bolt hole in the lower outer ring board;
step five: the manufactured upper outer ring plate is horizontally placed on the upper surface of the profiled steel plate concrete composite plate and located at a designated position on the steel column, the upper outer ring plate is ensured to be aligned with a reserved bolt hole in the profiled steel plate concrete composite plate, and then the upper outer ring plate and the steel column are welded together;
step six: and penetrating a through bolt into each reserved bolt hole and screwing a nut until the assembly is finished.
3. The utility model provides a steel column and profiled steel sheet concrete compoboard connected node which characterized in that: the steel column is connected with the high-strength bolt in a matched mode through top and bottom angle steels, and comprises a steel column, a profiled steel plate concrete composite board, a stiffening steel plate, top angle steels, bottom angle steels and high-strength bolts; a steel column preformed hole is formed in the middle of the profiled steel plate concrete composite board, the steel column penetrates through the steel column preformed hole, and the stiffening steel plate is welded and fixed on the steel column at the position of the steel column preformed hole; the top angle steel is positioned above the profiled steel plate concrete composite board and distributed along the circumferential direction of the steel column, a plurality of horizontal reserved bolt holes are correspondingly distributed among the vertical limb of the top angle steel, the stiffening steel plate and the steel column, each reserved bolt hole is provided with a reinforcing bolt, and the vertical limb of the top angle steel is fixedly connected with the stiffening steel plate and the steel column through the reinforcing bolt; the bottom angle steel is positioned below the profiled steel plate concrete composite board and distributed along the circumferential direction of the steel column, a plurality of horizontal reserved bolt holes are correspondingly distributed among the vertical limb of the bottom angle steel, the stiffening steel plate and the steel column, each reserved bolt hole is provided with a reinforcing bolt, and the vertical limb of the bottom angle steel is fixedly connected with the stiffening steel plate and the steel column through the reinforcing bolt; the horizontal limb of top angle steel, the horizontal limb of profiled steel sheet concrete compoboard and bottom angle steel correspond to distribute and have a plurality of vertical to reserve the bolt hole, all install the reinforcing bolt in every reservation bolt hole, carry out fixed connection through the reinforcing bolt between the horizontal limb of above-mentioned top angle steel, the horizontal limb of profiled steel sheet concrete compoboard and bottom angle steel.
4. The connection node of the steel column and the profiled steel sheet concrete composite slab as claimed in claim 3, wherein: the reinforcing bolts used for fixedly connecting the top angle steel vertical limb and the bottom angle steel vertical limb with the steel column and the stiffening steel plate can be replaced by expansion bolts, or the reinforcing bolts and the expansion bolts are not used, and the top angle steel vertical limb and the bottom angle steel vertical limb are directly connected with the steel column and the stiffening steel plate in a welding mode.
5. The construction method of the connection node of the steel column and the profiled steel sheet concrete composite slab as claimed in claim 3, characterized by comprising the steps of:
the method comprises the following steps: manufacturing a steel column, top angle steel, bottom angle steel and a profiled steel sheet concrete composite board;
firstly, when manufacturing a steel column, firstly, selecting section steel as the steel column according to design requirements, and then welding stiffening steel plates between flanges at two sides of the middle part of a web plate of the section steel to ensure that the stiffening steel plates are parallel to the web plate of the section steel;
secondly, when manufacturing top angle steel and bottom angle steel, selecting right angle steel as the top angle steel and the bottom angle steel according to the design size, and then processing a specified number of reserved bolt holes at set positions on horizontal limbs and vertical limbs of the top angle steel and the bottom angle steel;
thirdly, when the profiled steel plate concrete composite slab is manufactured, firstly, profiled steel plates are selected according to design requirements, steel column reserved holes are machined in the middle of the profiled steel plates, then, a specified number of reserved bolt holes are machined in set positions of the profiled steel plates, then, a template is supported above the profiled steel plates, a bidirectional reinforcing mesh and a reserved bolt hole forming die are laid in the template, and finally, concrete is poured in the template until the concrete is cured and formed;
step two: mounting and positioning the manufactured steel column to a specified position;
step three: the manufactured bottom angle steel is sent to a designated position on the steel column, and the vertical limb of the bottom angle steel is ensured to be aligned with the reserved bolt holes on the steel column and the stiffening steel plate;
step four: penetrating a reinforcing bolt into each reserved bolt hole and screwing a nut until bottom angle steel is fixed on the steel column;
step five: hoisting and lifting the manufactured profiled steel plate concrete composite board to the upper part of the top of the steel column, enabling a steel column preformed hole in the middle of the profiled steel plate concrete composite board to be opposite to the top of the steel column, then controlling the profiled steel plate concrete composite board to descend, enabling the steel column to penetrate through the steel column preformed hole in the middle of the profiled steel plate concrete composite board until the profiled steel plate concrete composite board accurately falls on the bottom angle steel horizontal limb, and simultaneously ensuring that the profiled steel plate concrete composite board is aligned with a preformed bolt hole in the bottom angle steel horizontal limb;
step six: placing the manufactured top angle steel on the upper surface of the profiled steel plate concrete composite board and at a specified position on the steel column, ensuring that the horizontal limb of the top angle steel is aligned with a reserved bolt hole on the profiled steel plate concrete composite board, and simultaneously ensuring that the vertical limb of the top angle steel is aligned with the reserved bolt holes on the steel column and the stiffening steel plate;
step seven: and penetrating a reinforcing bolt into each reserved bolt hole and screwing a nut until the assembly is finished.
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| CN202011253122.3A CN112411763A (en) | 2020-11-11 | 2020-11-11 | Steel column and profiled steel plate concrete composite board connecting joint and construction method |
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| CN202011253122.3A CN112411763A (en) | 2020-11-11 | 2020-11-11 | Steel column and profiled steel plate concrete composite board connecting joint and construction method |
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