CN114961065A - Frustum-shaped assembled plate column joint connection structure and construction process thereof - Google Patents
Frustum-shaped assembled plate column joint connection structure and construction process thereof Download PDFInfo
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- CN114961065A CN114961065A CN202210722531.6A CN202210722531A CN114961065A CN 114961065 A CN114961065 A CN 114961065A CN 202210722531 A CN202210722531 A CN 202210722531A CN 114961065 A CN114961065 A CN 114961065A
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- 238000010276 construction Methods 0.000 title claims abstract description 17
- 238000000034 method Methods 0.000 title claims abstract description 16
- 230000008569 process Effects 0.000 title claims abstract description 15
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 207
- 239000010959 steel Substances 0.000 claims abstract description 207
- 239000002131 composite material Substances 0.000 claims abstract description 76
- 239000004567 concrete Substances 0.000 claims abstract description 55
- 239000011150 reinforced concrete Substances 0.000 claims abstract description 6
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 37
- 230000003014 reinforcing effect Effects 0.000 claims description 26
- 238000003466 welding Methods 0.000 claims description 11
- 238000005452 bending Methods 0.000 claims description 6
- 230000035515 penetration Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 abstract description 8
- 238000005520 cutting process Methods 0.000 abstract description 7
- 230000002787 reinforcement Effects 0.000 description 6
- 230000007797 corrosion Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000003313 weakening effect Effects 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
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/02—Load-carrying floor structures formed substantially of prefabricated units
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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
- E04B1/58—Connections for building structures in general of bar-shaped building elements
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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
- E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
- E04B5/02—Load-carrying floor structures formed substantially of prefabricated units
- E04B5/023—Separate connecting devices for prefabricated floor-slabs
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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
- E04C3/34—Columns; Pillars; Struts of concrete other stone-like material, with or without permanent form elements, with or without internal or external reinforcement, e.g. metal coverings
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Abstract
The invention relates to a frustum-shaped assembled plate-column joint connecting structure and a construction process thereof, and the frustum-shaped assembled plate-column joint connecting structure comprises a composite floor and a concrete-filled steel tube composite column, wherein the composite floor is composed of a profiled steel sheet and reinforced concrete, a frustum-shaped opening is formed in the middle of the composite floor, a frustum-shaped embedded plate is embedded in the frustum-shaped opening, the lower part of the frustum-shaped embedded plate extends downwards from the lower end of the frustum-shaped opening, the concrete-filled steel tube composite column penetrates through the middle of the frustum-shaped embedded plate, frustum-shaped brackets which are enclosed into a circle and are positioned below the frustum-shaped opening of the composite floor are welded on the outer side of a steel tube of the concrete-filled steel tube composite column, frustum-shaped grooves matched with the lower part of the frustum-shaped embedded plate are enclosed on the inner sides of the frustum-shaped brackets, and the lower part of the frustum-shaped embedded plate and the frustum-shaped brackets are connected together. The invention can realize self-positioning installation, reduces the construction difficulty, greatly avoids the complicated installation and positioning process in the common plate column connection mode, and simultaneously the frustum-shaped bracket can also be used as an anti-cutting component to improve the anti-cutting capability of the plate column node.
Description
Technical Field
The invention relates to the technical field of building node connection, in particular to a frustum pyramid-shaped assembled plate column node connection structure and a construction process thereof.
Background
At present, people have higher and higher demands on the comfort and the functionality of buildings, and the requirements of concise, smooth, wide and flat inner spaces of the buildings, convenience for later-stage change of the purposes of the buildings and the like are provided. The plate column structure has the advantages of strong plane arrangement flexibility, capability of remarkably reducing the height of a structural layer, high construction speed, low engineering cost and the like, is applied more and more widely in multi-layer plants and underground garages, and can improve the service performance of the residential structure while meeting the seismic performance of the structure.
Compared with a beam column structure, the plate column structure belongs to a point support plate structure, and the stress of a node area is particularly complex under the action of load, and the plate column structure is usually matched with a frame or a shear wall structure for use. And the composite structure (including profiled steel sheet-concrete composite floor and steel pipe concrete composite column) can meet some building function requirements which cannot be met by the traditional concrete structure or steel structure to a certain extent, and at present, the composite floor and the composite column member show a development trend of replacing the traditional reinforced concrete or steel member to be applied to a plate column structure.
For the assembled flat slab, the problem to be solved most urgently at present is to find a connection scheme between prefabricated components with practicability and economical efficiency while expanding a novel structure so as to ensure the strength, ductility and the like of the whole assembled structure. At present, the common construction processes of outer ring plate-bolt connection, top and bottom angle steel-bolt connection and annular flange connection are complex, and meanwhile, the exposed connecting parts are easy to generate local corrosion, so that the application of the plate column structure under relatively severe working conditions is restricted to a certain extent.
Disclosure of Invention
In view of the above, the invention aims to provide a frustum pyramid-shaped assembled plate column joint connection structure and a construction process thereof, which can realize self-positioning installation, reduce construction difficulty and improve anti-cutting capability of a plate column joint.
The invention is realized by adopting the following scheme: the utility model provides a terrace with edge assembled plate column nodal connection structure, includes composite floor and steel pipe concrete composite column, composite floor comprises profiled sheet and reinforced concrete, and composite floor middle part has terrace with edge shape opening, terrace with edge shape opening inlays and is equipped with terrace with edge shape panel, and terrace with edge shape panel lower part stretches out downwards from terrace with edge shape opening lower extreme, the steel pipe concrete composite column passes in the middle of by the terrace with edge shape panel, and the welding of the steel pipe outside of steel pipe concrete composite column has the terrace with edge shape bracket of enclosing into the round and being located composite floor terrace with edge shape opening below, the terrace with edge shape bracket inboard encloses synthetic terrace with edge shape panel lower part matched with terrace with edge shape groove, and terrace with edge shape panel lower part and terrace with edge shape bracket link together.
Furthermore, the reinforcing mesh of the composite floor slab is provided with distributed reinforcing bars and U-shaped reinforcing bars which extend into the middle of the frustum-shaped embedded plate, a reinforcing mesh plate is embedded in the concrete-filled steel tube composite column, the reinforcing mesh plate is formed by interweaving reinforcing bar rings, and the end parts of the reinforcing bar rings of the reinforcing mesh plate penetrate through the steel tube wall and are connected with the distributed reinforcing bars and the U-shaped reinforcing bars.
Furthermore, the upper part of the periphery of the frustum pyramid-shaped panel is provided with a first steel bar through hole for the penetration of the distributed steel bars and the U-shaped steel bars; and a second steel bar through hole which is consistent with the height of the steel bar through hole and is used for the steel bar end part of the steel bar mesh plate to penetrate out is formed in the steel pipe wall of the steel pipe concrete combination column, and the steel bar mesh plate is consistent with the height of the second steel bar through hole.
Furthermore, the reinforcing mesh plate is formed by welding a plurality of transverse long-strip reinforcing rings and a plurality of longitudinal long-strip reinforcing rings, and the U-shaped ends of the transverse long-strip reinforcing rings and the longitudinal long-strip reinforcing rings penetrate out of the second reinforcing through holes.
Furthermore, rectangular notches for the U-shaped end parts of the reinforcing steel rings to pass through are formed in the periphery of the lower end of the frustum pyramid shaped panel, and stiffening ribs are welded between every two adjacent rectangular notches in the periphery of the lower end of the frustum pyramid shaped panel; the welding of terrace with edge shape bracket downside has the bracket stiffening rib.
Furthermore, the end part of the steel bar mesh plate, the distributed steel bars and the U-shaped steel bars are connected together through a combined connecting piece, the combined connecting piece comprises an upper steel plate and a lower steel plate, a rectangular slotted hole is formed between the upper steel plate and the lower steel plate, the upper steel plate and the lower steel plate are connected together through a pair of threaded steel bars, and an annular rubber gasket positioned between the upper steel plate and the lower steel plate is sleeved outside the threaded steel bars; a bent reinforcing steel bar is arranged between the two threaded reinforcing steel bars, the vertical section at the upper part of the bent reinforcing steel bar is provided with a threaded part and is connected to the upper steel plate and the lower steel plate, and the bent section at the lower part of the bent reinforcing steel bar is provided with a threaded part and connects the lower part of the frustum-shaped panel and the frustum-shaped bracket together; first bending steel bar through holes are formed in the lower portion of the frustum pyramid-shaped panel, and second bending steel bar through holes corresponding to the first bending steel bar through holes are formed in the frustum pyramid-shaped brackets.
The other technical scheme of the invention is as follows: the construction process of the frustum pyramid assembled plate-column joint connection structure comprises the following steps: (1) prefabricating a composite floor slab: when the composite floor slab is prefabricated, a prefabricated frustum pyramid-shaped embedded plate is installed and welded in a square opening in the middle of a profiled steel sheet, a reinforcing mesh of the composite floor slab is installed, distributed reinforcing steel bars and U-shaped reinforcing steel bars of the reinforcing mesh extend into the middle of the frustum pyramid-shaped embedded plate, then concrete is poured, and the composite floor slab is prefabricated; (2) prefabricating a steel tube concrete combined column: when the concrete-filled steel tube combined column is prefabricated, a steel bar net plate is arranged in the steel tube, the end part of a steel bar of the steel bar net plate penetrates out of the side wall of the steel tube, a frustum-shaped bracket is welded outside the steel tube, and finally concrete is poured into the steel tube, so that the concrete-filled steel tube combined column is prefabricated; (3) prefabricating a combined connecting piece; (4) connecting the prefabricated parts; hoisting and sleeving a composite floor slab from the upper end of a concrete-filled steel tube composite column, attaching the lower part of a frustum-shaped panel on the composite floor slab to a frustum-shaped groove surrounded by frustum-shaped corbels on the concrete-filled steel tube composite column, connecting distributed reinforcing steel bars, U-shaped reinforcing steel bars and the end parts of reinforcing steel bar rings of a reinforcing steel bar mesh plate together by using a composite connecting piece, and connecting the lower part of the frustum-shaped panel and the frustum-shaped corbels together; and then pouring concrete into the middle of the frustum pyramid-shaped embedded plate until the concrete is flush with the upper surface of the composite floor slab.
Compared with the prior art, the invention has the following beneficial effects:
(1) the frustum-shaped embedded plate and the frustum-shaped bracket are matched to realize self-positioning installation, so that the construction difficulty is reduced, the complicated installation and positioning process in a common plate column connecting mode is greatly avoided, and the frustum-shaped bracket can be used as an anti-cutting component to improve the anti-cutting capability of a plate column node;
(2) the plate and column members are connected into a whole by using the special combined connecting piece, the force transfer is definite, the connection is reliable, the continuity is good, the joint is smooth and attractive, and the corrosion is difficult, the defect that the plate and column connection form is easy to generate brittle punching damage is overcome, and the combined connecting piece is embedded in concrete and is connected with the frustum-shaped embedded plate and the bracket through bolts to improve the integrity.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to specific embodiments and accompanying drawings.
Drawings
FIG. 1 is a schematic view of the overall configuration of an embodiment of the present invention;
FIG. 2 is a schematic view of a bottom partial structure of an embodiment of the present invention;
FIG. 3 is a partial schematic view of FIG. 1;
FIG. 4 is a schematic view of a composite floor structure according to an embodiment of the present invention;
FIG. 5 is a schematic view of a portion of the construction of FIG. 4;
FIG. 6 is a schematic view showing the construction of a steel pipe concrete composite column according to an embodiment of the present invention;
FIG. 7 is a schematic view of a steel mesh plate structure according to an embodiment of the present invention;
FIG. 8 is a schematic view of the bottom configuration of FIG. 6;
FIG. 9 is a schematic view of a modular connector configuration according to an embodiment of the present invention;
FIG. 10 is a schematic view of a modular connector installation process according to an embodiment of the present invention;
the reference numbers in the figures illustrate: 1-composite floor slab, 11-profiled steel sheet, 12-frustum-shaped panel, 121-first steel bar through hole, 122-first bent steel bar through hole, 123-stiffening rib, 13-U-shaped steel bar, 14-distributed steel bar, 15-reinforced concrete, 2-steel tube concrete composite column, 211-steel tube, 212-second steel bar through hole, 213-steel bar ring, 22-frustum-shaped bracket, 221-second bent steel bar through hole, 23-bracket stiffening rib, 3-composite connector, 31-upper steel plate, 32-lower steel plate, 33-annular rubber gasket, 34-threaded steel bar, 35-bent steel bar and 36-nut.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
As shown in fig. 1 to 10, a frustum-shaped assembled plate-column joint connection structure comprises a composite floor slab 1 and a concrete-filled steel tube composite column 2, wherein the composite floor slab 1 is composed of a profiled steel sheet 11 and reinforced concrete 15, a frustum-shaped opening is formed in the middle of the composite floor slab, a frustum-shaped panel 12 is embedded in the frustum-shaped opening, the lower portion of the frustum-shaped panel 12 extends downwards from the lower end of the frustum-shaped opening, the concrete-filled steel tube composite column 2 penetrates through the middle of the frustum-shaped panel, frustum-shaped brackets 22 which surround a circle and are positioned below the frustum-shaped opening of the composite floor slab are welded on the outer sides of steel tubes 211 of the concrete-filled steel tube composite column, frustum-shaped grooves matched with the lower portions of the frustum-shaped panels are formed on the inner sides of the frustum-shaped brackets 22, and the lower portions of the frustum-shaped panels are connected together; the frustum-shaped embedded plate welded on the composite floor slab and the frustum-shaped corbel welded on the concrete-filled steel tube composite column can realize self-positioning installation, the construction difficulty is reduced, the self-positioning can be realized by utilizing the characteristic that the frustum-shaped embedded plate and the corbel are mutually embedded, the complicated installation and positioning process in a common plate-column connecting mode is greatly avoided, meanwhile, the frustum-shaped corbel can also be used as an anti-cutting component to improve the anti-cutting capability of a plate-column node, and meanwhile, the connecting member disclosed by the invention is embedded in concrete, so that the flatness and the attractiveness of the outer surface of the node are ensured, the local corrosion problem of the common connecting mode is well solved, and the problems that the installation and positioning are difficult and the connecting member protrudes out of the surface of the floor slab in the connecting process of the composite floor slab and the concrete-filled steel tube composite column are solved.
In this embodiment, the steel mesh of the composite floor slab 1 has distributed steel bars 14 and U-shaped steel bars 13 extending into the middle of the frustum-shaped panel, a steel mesh plate is embedded inside the concrete-filled steel tube composite column, the steel mesh plate is formed by interweaving steel bar rings, and the ends of the steel bar rings of the steel mesh plate penetrate through the steel tube wall and are connected with the distributed steel bars and the U-shaped steel bars.
In this embodiment, the upper portion of the periphery of the frustum-shaped panel 12 is provided with a first steel bar through hole 121 for the distributed steel bars and the U-shaped steel bars to penetrate through; and a second steel bar through hole 212 which is consistent with the height of the steel bar through hole and is used for the penetration of the steel bar end part of the steel bar net plate is formed in the steel pipe wall of the steel pipe concrete composite column, and the height of the steel bar net plate is consistent with that of the second steel bar through hole.
In this embodiment, the mesh reinforcement plate is formed by welding a plurality of transverse elongated reinforcement rings and a plurality of longitudinal elongated reinforcement rings 213, and the U-shaped ends of the transverse elongated reinforcement rings and the longitudinal elongated reinforcement rings are passed through the second reinforcement through holes.
In this embodiment, rectangular notches are formed around the lower end of the frustum-shaped panel 12 for the U-shaped ends of the steel bar rings to pass through, and stiffening ribs 123 are welded between two adjacent rectangular notches around the lower end of the frustum-shaped panel to prevent local buckling caused by weakening of the bottom section of the steel plate; the welding of frustum of a pyramid bracket downside has bracket stiffening rib 23.
In this embodiment, the end portions of the steel bars of the steel bar mesh plate, the distributed steel bars and the U-shaped steel bars are connected together through a combined connecting piece 3, the combined connecting piece 3 comprises an upper steel plate 31 and a lower steel plate 32, a rectangular slotted hole is formed between the upper steel plate and the lower steel plate, the upper steel plate and the lower steel plate are connected together through a pair of deformed steel bars 34, and an annular rubber gasket 33 positioned between the upper steel plate and the lower steel plate is sleeved outside the deformed steel bars; a bent reinforcing steel bar is arranged between the two threaded reinforcing steel bars, the vertical section at the upper part of the bent reinforcing steel bar 35 is provided with a threaded part and is connected to the upper steel plate and the lower steel plate, and the bent section at the lower part of the bent reinforcing steel bar is provided with a threaded part and connects the lower part of the frustum-shaped panel and the frustum-shaped bracket together; a first bent steel bar through hole 122 is formed in the lower portion of the frustum pyramid-shaped panel, and a second bent steel bar through hole 221 corresponding to the first bent steel bar through hole is formed in the frustum pyramid-shaped bracket; the invention utilizes the special combined connecting piece to connect the plate and the column component into a whole, has definite force transfer, reliable connection, good continuity, and smooth and beautiful node and is not easy to corrode.
The construction process of the frustum pyramid assembled plate-column joint connection structure comprises the following steps: (1) prefabricating a composite floor slab: when the composite floor slab is prefabricated, a prefabricated frustum pyramid-shaped panel is installed and welded in a square opening in the middle of a profiled steel sheet, a first steel bar through hole 121 is formed in the top of the frustum pyramid-shaped panel so that a U-shaped steel bar 13 and a distribution steel bar 14 on a steel bar net of the composite floor slab can penetrate out, a first bent steel bar through hole 122 is formed in the lower portion of the frustum pyramid-shaped panel so that a bent steel bar of a combined connecting piece can penetrate out, the steel bar net of the composite floor slab is installed, the distribution steel bar and the U-shaped steel bar of the steel bar net extend into the middle of the frustum pyramid-shaped panel, then concrete is poured, and the prefabrication of the composite floor slab is completed; (2) prefabricating a steel tube concrete combined column: when the steel pipe concrete composite column is prefabricated, a second steel bar through hole 212 is formed in the wall of a steel pipe 211 at the same height as the first steel bar through hole 121 of the frustum pyramid-shaped panel, a steel bar net plate is arranged in the steel pipe, the steel bar net plate is manufactured in a lap welding mode, the end part of a steel bar of the steel bar net plate penetrates out of the side wall of the steel pipe, and is welded and fixed with the steel pipe after positioning is finished, and holes are adhered and repaired by using an all-purpose adhesive and a plastic sheet; welding a frustum pyramid bracket outside the steel pipe, wherein the frustum pyramid bracket 22 needs to be provided with a second bent steel bar through hole 221 at a position corresponding to the first bent steel bar through hole 121 at the lower part of the frustum pyramid panel, and finally pouring concrete into the steel pipe, so that the steel pipe concrete composite column is prefabricated; (3) prefabricating a combined connecting piece; (4) connecting the prefabricated parts; the combined floor slab is hoisted and sleeved from the upper end of the concrete-filled steel tube combined column, supports are arranged at the bottom of the combined slab, the lower part of a frustum-shaped embedded plate on the combined floor slab and a frustum-shaped groove formed by frustum-shaped corbels on the concrete-filled steel tube combined column are adjusted in supporting height, the frustum-shaped groove is attached to the position of a reinforcing steel bar through hole which is bent at the bottom, the positioning of a plate member and a column member is completed, the distributed reinforcing steel bars, the U-shaped reinforcing steel bars and the reinforcing steel bar ring end parts of a reinforcing steel bar mesh plate are connected together by using a combined connecting piece, and meanwhile, the lower part of the frustum-shaped embedded plate and the frustum-shaped corbel are connected together; and then pouring concrete into the middle of the frustum pyramid-shaped panel until the concrete is flush with the upper surface of the composite floor slab, and removing the support after the concrete is cured to perform subsequent construction.
Any embodiment disclosed herein above is meant to disclose, unless otherwise indicated, all numerical ranges disclosed as being preferred, and any person skilled in the art would understand that: the preferred ranges are merely those values which are obvious or representative of the technical effect which can be achieved. Since the numerical values are too numerous to be exhaustive, some of the numerical values are disclosed in the present invention to illustrate the technical solutions of the present invention, and the above-mentioned numerical values should not be construed as limiting the scope of the present invention.
If the invention discloses or relates to parts or structures which are fixedly connected to each other, the fixedly connected parts can be understood as follows, unless otherwise stated: a detachable fixed connection (for example using bolts or screws) is also understood as: non-detachable fixed connections (e.g. riveting, welding), but of course, fixed connections to each other may also be replaced by one-piece structures (e.g. manufactured integrally using a casting process) (unless it is obviously impossible to use an integral forming process).
In addition, terms used in any technical solutions disclosed in the present invention to indicate positional relationships or shapes include approximate, similar or approximate states or shapes unless otherwise stated.
Any part provided by the invention can be assembled by a plurality of independent components or can be manufactured by an integral forming process.
The foregoing is directed to preferred embodiments of the present invention, other and further embodiments of the invention may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow. However, any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present invention are within the protection scope of the technical solution of the present invention.
Claims (7)
1. The utility model provides a terrace with edge assembled board post nodal connection structure which characterized in that: including composite floor and steel pipe-concrete composite post, composite floor comprises profiled sheet and reinforced concrete, and composite floor middle part has terrace with edge shape opening, terrace with edge shape opening inlays and is equipped with terrace with edge shape panel, and terrace with edge shape panel lower part stretches out downwards from terrace with edge shape opening lower extreme, the steel pipe-concrete composite post passes in the middle of by terrace with edge shape panel, and the welding of the steel pipe outside of steel pipe-concrete composite post has the terrace with edge shape bracket that encloses into the round and be located composite floor terrace with edge shape opening below, the terrace with edge shape bracket inboard encloses synthetic terrace with edge shape panel lower part matched with terrace with edge shape groove, terrace with edge shape panel lower part and terrace with edge shape bracket link together.
2. The assembly type prismatic table plate-column joint connection structure according to claim 1, wherein: the steel bar mesh of the combined floor slab is provided with distributed steel bars and U-shaped steel bars which extend into the middle of the frustum pyramid-shaped embedded plate, a steel bar mesh plate is pre-embedded in the concrete-filled steel tube combined column, the steel bar mesh plate is formed by interweaving steel bar rings, and the end parts of the steel bar rings of the steel bar mesh plate penetrate through the steel tube wall and are connected with the distributed steel bars and the U-shaped steel bars.
3. The prismatic table-shaped assembled plate-column joint connecting structure according to claim 2, wherein: the upper part of the periphery of the frustum pyramid-shaped panel is provided with a first steel bar through hole for the penetration of distributed steel bars and U-shaped steel bars; and a second steel bar through hole which is consistent with the height of the steel bar through hole and is used for the penetration of the steel bar end part of the steel bar screen plate is formed in the steel pipe wall of the steel pipe concrete composite column, and the height of the steel bar screen plate is consistent with that of the second steel bar through hole.
4. The assembly type prismatic table panel-column node connecting structure according to claim 2 or 3, wherein: the reinforcing mesh plate is formed by welding a plurality of transverse long-strip reinforcing rings and a plurality of longitudinal long-strip reinforcing rings, and the U-shaped ends of the transverse long-strip reinforcing rings and the longitudinal long-strip reinforcing rings penetrate out of the second reinforcing through hole.
5. The assembly type prismatic table plate-column joint connection structure according to claim 4, wherein: rectangular notches for the U-shaped end parts of the reinforcing steel bar rings to pass through are formed in the periphery of the lower end of the frustum pyramid-shaped insert plate, and stiffening ribs are welded between every two adjacent rectangular notches in the periphery of the lower end of the frustum pyramid-shaped insert plate; the welding of terrace with edge shape bracket downside has the bracket stiffening rib.
6. The assembly type prismatic table plate-column joint connection structure according to claim 2, wherein: the reinforcing steel bar end part, the distributed reinforcing steel bars and the U-shaped reinforcing steel bars of the reinforcing steel bar mesh plate are connected together through a combined connecting piece, the combined connecting piece comprises an upper steel plate and a lower steel plate, a rectangular slotted hole is formed between the upper steel plate and the lower steel plate, the upper steel plate and the lower steel plate are connected together through a pair of threaded reinforcing steel bars, and an annular rubber gasket positioned between the upper steel plate and the lower steel plate is sleeved outside the threaded reinforcing steel bars; a bent reinforcing steel bar is arranged between the two threaded reinforcing steel bars, the vertical section at the upper part of the bent reinforcing steel bar is provided with a threaded part and is connected to the upper steel plate and the lower steel plate, and the bent section at the lower part of the bent reinforcing steel bar is provided with a threaded part and connects the lower part of the frustum-shaped panel and the frustum-shaped bracket together; first bending steel bar through holes are formed in the lower portion of the frustum pyramid-shaped panel, and second bending steel bar through holes corresponding to the first bending steel bar through holes are formed in the frustum pyramid-shaped brackets.
7. A construction process of the frustum-shaped assembled plate-column joint connection structure of claim 6, wherein: the method comprises the following steps: (1) prefabricating a composite floor slab: when the composite floor slab is prefabricated, a prefabricated frustum pyramid-shaped embedded plate is installed and welded in a square opening in the middle of a profiled steel sheet, a reinforcing mesh of the composite floor slab is installed, distributed reinforcing steel bars and U-shaped reinforcing steel bars of the reinforcing mesh extend into the middle of the frustum pyramid-shaped embedded plate, then concrete is poured, and the composite floor slab is prefabricated; (2) prefabricating a steel tube concrete combined column: when the concrete-filled steel tube combined column is prefabricated, a steel bar net plate is arranged in the steel tube, the end part of a steel bar of the steel bar net plate penetrates out of the side wall of the steel tube, a frustum-shaped bracket is welded outside the steel tube, and finally concrete is poured into the steel tube, so that the concrete-filled steel tube combined column is prefabricated; (3) prefabricating a combined connecting piece; (4) connecting the prefabricated parts; hoisting and sleeving a composite floor slab from the upper end of a concrete-filled steel tube composite column, attaching the lower part of a frustum-shaped panel on the composite floor slab to a frustum-shaped groove surrounded by frustum-shaped corbels on the concrete-filled steel tube composite column, connecting distributed reinforcing steel bars, U-shaped reinforcing steel bars and the end parts of reinforcing steel bar rings of a reinforcing steel bar mesh plate together by using a composite connecting piece, and connecting the lower part of the frustum-shaped panel and the frustum-shaped corbels together; and then pouring concrete into the middle of the frustum pyramid-shaped embedded plate until the concrete is flush with the upper surface of the composite floor slab.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210722531.6A CN114961065B (en) | 2022-06-24 | 2022-06-24 | Prismatic table-shaped assembled plate column node connection structure and construction process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109267584A (en) * | 2018-11-09 | 2019-01-25 | 沈阳建筑大学 | Assembly concrete prismoid shaped basis and column steel connection structure and assembly method |
| CN111677172A (en) * | 2020-06-03 | 2020-09-18 | 苏州科技大学 | Steel-concrete combined structure plate column structure system |
| CN111962949A (en) * | 2020-08-07 | 2020-11-20 | 北京工业大学 | Steel tube concrete column-H-shaped steel beam-steel support-pi-shaped connecting piece combined type center pillar middle node and manufacturing method |
| US10914061B1 (en) * | 2019-09-04 | 2021-02-09 | Qingdao university of technology | Assembled slab steel-wood composite joint and assembly method thereof |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109267584A (en) * | 2018-11-09 | 2019-01-25 | 沈阳建筑大学 | Assembly concrete prismoid shaped basis and column steel connection structure and assembly method |
| US10914061B1 (en) * | 2019-09-04 | 2021-02-09 | Qingdao university of technology | Assembled slab steel-wood composite joint and assembly method thereof |
| CN111677172A (en) * | 2020-06-03 | 2020-09-18 | 苏州科技大学 | Steel-concrete combined structure plate column structure system |
| CN111962949A (en) * | 2020-08-07 | 2020-11-20 | 北京工业大学 | Steel tube concrete column-H-shaped steel beam-steel support-pi-shaped connecting piece combined type center pillar middle node and manufacturing method |
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