CN114960937A - Novel quickly-assembled prefabricated concrete structure beam column space node system - Google Patents
Novel quickly-assembled prefabricated concrete structure beam column space node system Download PDFInfo
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- CN114960937A CN114960937A CN202210401555.1A CN202210401555A CN114960937A CN 114960937 A CN114960937 A CN 114960937A CN 202210401555 A CN202210401555 A CN 202210401555A CN 114960937 A CN114960937 A CN 114960937A
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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
- E04B1/20—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of concrete, e.g. reinforced concrete, or other stonelike material
- E04B1/21—Connections specially adapted therefor
- E04B1/215—Connections specially adapted therefor comprising metallic plates or parts
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—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
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/98—Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
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- Architecture (AREA)
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- Environmental & Geological Engineering (AREA)
- Physics & Mathematics (AREA)
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- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Rod-Shaped Construction Members (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention discloses a novel fast-assembly prefabricated concrete structure beam column space node system, which comprises a prefabricated concrete column section, a prefabricated concrete beam section, a core combined steel section and a connecting channel steel section, wherein a prefabricated concrete upper column and a prefabricated concrete lower column are inserted into a sleeve through a large channel steel embedded inside and a small channel steel and a combined I-steel slotted card inside a square steel outside the core combined steel section, a beam end double lug plate of the prefabricated concrete beam section and a combined I-steel end lug plate outside the square steel outside the core combined steel section are utilized to form a hinged connection, then an upper channel cover plate and a lower channel cover plate of the connecting channel steel section are respectively welded with an embedded steel plate of the prefabricated concrete beam section and an outside square steel of the core combined steel section, the invention has reasonable structure, the full-prefabricated concrete structure beam column is rigidly connected with earthquake-resistant energy consumption, and meets the requirements of 'strong node' and earthquake-resistant energy consumption of the structure, and the rapid assembly between the precast concrete column and the beam is realized.
Description
Technical Field
The invention relates to the technical field of building structures, in particular to a novel beam-column space node system with a quickly assembled prefabricated concrete structure.
Background
Along with the improvement of living standard of people, the requirement on buildings is higher and higher, the main direction and the characteristic of the future development of the modern building industry are greening, informatization, intellectualization and industrialization of buildings, and the prefabricated assembled building can solve the problems to a certain extent and is the future trend of the building field.
The node connection and the seismic performance of the prefabricated concrete beam column become bottlenecks which restrict the development of the prefabricated concrete beam column. The connections of prefabricated concrete structures that are currently in common use are mainly classified into wet connections and dry connections. The dry connection can reduce on-site wet operation, improve assembly speed, and construction quality is more guaranteed than wet connection, converts concrete structure connection into steel structure connection, and can give full play to the advantage that steel structure connection has natural dry connection.
Dry connection is one of connection methods of prefabricated concrete structures, and it should be ensured that a node has the ability to resist axial force, shear force and bending moment to satisfy the strength and deformation continuity of a node connection area, whereas a conventional dry-connected prefabricated concrete structure cannot achieve the ability of high strength and deformation continuity, and the conventional dry-connected prefabricated concrete structure has the problems of high assembly difficulty and low efficiency, and therefore, an improved technology is urgently needed to solve the above problems in the prior art.
Disclosure of Invention
The invention aims to provide a novel prefabricated concrete structure beam-column space node system capable of being quickly assembled, which utilizes a prefabricated concrete column section, a prefabricated concrete beam section, a core combined steel section and a connecting groove steel section to carry out rigid anti-seismic energy-consumption connection on a fully prefabricated concrete structure beam column, meets the requirements of a structure 'strong node' and anti-seismic energy consumption, realizes quick assembly of the connection performance between the prefabricated concrete column and the beam, and solves the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a fast-assembled novel prefabricated concrete structure beam column space node system comprises a prefabricated concrete column section, a prefabricated concrete beam section, a core combined steel section and a connecting groove steel section;
the precast concrete column section comprises a precast concrete upper column and a precast concrete lower column, wherein a small channel steel is pre-embedded in the precast concrete upper column, a large channel steel is pre-embedded in the precast concrete lower column, and the small channel steel and the large channel steel are double-channel steel with grooves formed in the surfaces;
the precast concrete beam section comprises a precast concrete beam body, a connecting piece, a pre-buried steel plate and a beam end double lug plate, wherein the pre-buried steel plate is arranged at one end of the precast concrete beam body;
the core combined steel section comprises outer-coated square steel and combined I-steel, the outer-coated square steel consists of four steel plates, the surfaces of the four steel plates are provided with holes coupled with the outer contour size of the combined I-steel, the four steel plates with holes penetrate through the combined I-steel to be assembled into the outer-coated square steel and welded into the integral core combined steel section, part of flanges of the combined I-steel, which are positioned inside the outer-coated square steel, are provided with clamping grooves and are coupled with small channel steel and large channel steel of the precast concrete column section, and part of ends of the combined I-steel, which extend out of the outer-coated square steel, are processed into lug plate shapes to be connected with double lug plates at the beam end;
the connecting groove steel section comprises a lower groove-shaped cover plate and an upper groove-shaped cover plate, two ends of the lower groove-shaped cover plate and two ends of the upper groove-shaped cover plate are respectively welded with the embedded steel plate of the precast concrete beam section and the outer-covering square steel surface of the core combined steel section, and the top end of the lower groove-shaped cover plate is connected with the bottom end of the upper groove-shaped cover plate.
Preferably, the size and the slot of the small channel steel and the large channel steel of the precast concrete column section are coupled with the core combined steel section.
Preferably, the novel rapidly-assembled prefabricated concrete structure beam column space node system provided by the invention is characterized in that the prefabricated concrete beam section connecting piece, the embedded steel plate and the beam end double-lug plate are all steel structures and are welded into a whole.
Preferably, the beam end double-lug plate and the combined i-steel of the core combined steel section extend out of the outer wrapping square steel, the parts processed into the lug plate shape are provided with holes, and the parts are hinged and coupled with each other.
Compared with the prior art, the invention has the beneficial effects that:
(1) the invention utilizes the precast concrete column section, the precast concrete beam section, the core combined steel section and the connecting groove steel section to carry out rigid seismic-resistant energy-consuming connection on the fully precast fabricated concrete structure beam column, thereby meeting the requirements of a structure 'strong node' and seismic-resistant energy consumption and realizing the rapid assembly of the connection performance between the precast concrete column and the beam.
(2) Simple structure is convenient for assemble the construction fast in the place to because be the prefab, still be convenient for categorised the depositing and the transportation.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an exploded view of the present invention;
FIG. 3 is a schematic view of coupling connection between a core combined steel section and precast column channel steel;
FIG. 4 is a schematic view of a middle flange slot of a combined I-steel, a small channel steel and a large channel steel;
FIG. 5 is a schematic structural view of a precast concrete upper column;
FIG. 6 is a schematic structural view of a precast concrete lower column;
FIG. 7 is a schematic structural view of a precast concrete beam segment;
FIG. 8 is a schematic view of the overall structure of a core composite steel segment;
FIG. 9 is a schematic exploded view of a core composite steel segment;
FIG. 10 is a schematic structural diagram of a connecting channel steel section.
In the figure: 100-precast concrete upper column, 101-precast concrete lower column, 102-small channel steel, 103-large channel steel, 200-precast concrete beam body, 201-beam end double lug plate, 202-embedded steel plate, 203-connecting piece, 300-outer wrapping square steel, 301-combined I-shaped steel, 400-lower groove type cover plate and 401-upper groove type cover plate.
Detailed Description
The technical solutions of the present invention will be described clearly and completely below with reference to the embodiments of the present invention and the accompanying drawings, and it is obvious that the described embodiments are only some of the embodiments of the present invention, not all of them. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present invention without any creative effort belong to the protection scope of the present invention;
it should be noted that, in the description of the present invention, it should be noted that the terms "inside", "outside", "upper", "lower", "both sides", "one end", "the other end", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-10, the present invention provides a technical solution: a rapid-assembly novel prefabricated concrete structure beam column space node system comprises a prefabricated concrete column section, a prefabricated concrete beam section, a core combined steel section and a connecting groove steel section;
the precast concrete column section comprises a precast concrete upper column 100 and a precast concrete lower column 101, a small channel steel 102 is pre-embedded in the precast concrete upper column 100, a large channel steel 103 is pre-embedded in the precast concrete lower column 101, the small channel steel 102 and the large channel steel 103 are double channel steels with grooves on the surfaces, the sizes are coupled, the groove positions are corresponding, when the precast concrete upper column 100 and the precast concrete lower column 102 are inserted into the core combined steel section, the small channel steel 102 and the large channel steel 103 can be used for groove opening, and after the combined I-steel 301 is clamped, the precast concrete upper column 100 and the precast concrete lower column 102 are mutually sleeved and inserted to form connection; the combined shape is similar to a box shape, so that the stress performance of the nodes in different directions is similar, and the randomness of resisting earthquake action can be met;
the precast concrete beam section comprises a precast concrete beam body 200, beam end double-lug plates 201, embedded steel plates 202 and connecting pieces 203; the beam-end double-lug plate 201, the embedded steel plate 202 and the connecting piece 203 are welded into a whole, the beam-end double-lug plate 201 is embedded in the precast concrete beam body 200 through the connecting piece 203, holes are formed in the surface of the beam-end double-lug plate 201 and can be connected with the core combined steel section through hinges, the connecting piece 203 can select forms such as I-shaped steel and square steel according to actual conditions, and the surface of the connecting piece 203 can be connected with the precast concrete beam body 200 in a welding stud and other forms;
the core combined steel section comprises an outer-coated square steel 300 and a combined I-steel 301, the outer-coated square steel 300 is composed of four steel plates with holes, the size of the holes is coupled with the outer contour of the combined I-steel 301, the four steel plates with the holes penetrate through the combined I-steel 301 to be assembled into the outer-coated square steel 300 and then welded into the integral core combined steel section, one part of the combined I-steel 301 is located inside the outer-coated square steel 300, the flange of the combined I-steel is used for being inserted into the grooves of the small channel steel 102 and the large channel steel 103 of the precast concrete column section after being inserted, the combined I-steel 301 is located outside the outer-coated square steel 300, and the end part of the combined I-steel 301 is processed into an ear plate with holes and used for being hinged with the double ear plates 201 at the beam end of the precast concrete beam section, so that the combined I-steel section is coupled in size, can bear the load and can resist shock, rotate, rub and consume energy; studs or other connecting pieces are welded on the inner surface of the outer square steel 300 to enhance the bonding between the inner square steel and the secondary poured concrete;
the connecting groove steel section comprises a lower groove-shaped cover plate 400 and an upper groove-shaped cover plate 401, the two ends of the lower groove-shaped cover plate 400 and the two ends of the upper groove-shaped cover plate 401 are respectively connected with the surfaces of the embedded steel plate 202 of the precast concrete beam section and the surface of the outer-wrapped square steel 300 of the core combined steel section in a welding mode, the top end of the lower groove-shaped cover plate 400 is connected with the bottom end of the upper groove-shaped cover plate 401, and the groove-shaped cover plates can not only transmit the effect of beam end bending moment, but also resist beam end torque.
In the construction process, the precast concrete upper column 100 and the precast concrete lower column 101 of the precast concrete column section can be quickly clamped and connected with the slot of the combined I-steel 301 in the core combined steel section outer-coated square steel 300 through the small channel steel 102 and the large channel steel 103, and then the gap in the core combined steel outer-coated square steel 300 is tightly grouted; and connecting the beam end double lug plates 201 of the precast concrete beam section with the hole-opening lug plates at the end parts of the combined I-beams 301 in the core combined steel by using hinges, and finally, welding and connecting the two ends of the connecting channel steel section with the precast concrete beam section and the core combined steel section respectively to finally finish the rapid assembly of the beam-column space nodes of the precast fabricated concrete structure.
The concrete construction steps are as follows:
firstly, grooving the surfaces of small channel steel 102 and large channel steel 103 of a precast concrete column section in a factory, and completing machining, wherein the small channel steel 102 and the large channel steel 103 are both double channel steel, the small channel steel and the large channel steel are combined and then respectively embedded in a precast concrete upper column 100 and a precast concrete lower column 101, and the whole prefabrication in the factory is completed;
step two, the beam end double-lug plate 201, the embedded steel plate 202 and the connecting piece 203 of the precast concrete beam section are all steel structures, are processed and welded into a whole in a factory, are embedded in the precast concrete beam body 200, and are integrally precast in the factory;
step three, slotting the middle flange of a combined I-steel 301 of a core combined steel section, coupling the middle flange of the combined I-steel 301 with slotting of a small channel steel 102 and a large channel steel 103 of a precast concrete column section, processing the end part of the combined I-steel 301 into an ear plate shape, coupling the size and the opening with a beam end double ear plate 201 of a precast concrete beam section, forming outer-coated square steel 300 by four steel plates of which the surfaces are provided with holes for coupling the outer contour size of the combined I-steel 301, welding studs or other connecting pieces at the inner sides of the four open-pore steel plates for reinforcing the connection of nodes, assembling the open-pore steel plates into the outer-coated square steel 300 after penetrating through the combined I-steel 301, and then welding the outer-coated square steel 300 into an integral core combined steel section in a factory;
step four, finishing the lower groove type cover plate 400 and the upper groove type cover plate 401 of the connecting groove steel section in a factory;
fifthly, after all components are manufactured in factories, the components are transported to the site for assembly, on the site, the small channel steels 102 and the large channel steels 103 of the precast concrete column section are inserted into the combined I-beams 301 inside the core combined steel section and the outer-coated square steel 300, sleeve insertion connection is carried out through the reserved channels, gaps inside the outer-coated square steel 300 are tightly grouted, and rigid connection between the upper and lower columns of the precast concrete column section and the core combined steel section is completed;
connecting beam end double lug plates 201 of the precast concrete beam section with lug plates at the end parts of core combined steel section combined I-beams 301 by using hinges on site, and then welding and connecting two ends of a lower groove-shaped cover plate 400 and an upper groove-shaped cover plate 401 of a connecting groove steel section with the surfaces of pre-buried steel plates 202 of the precast concrete beam section and outer-wrapped square steel 300 of the core combined steel section respectively to complete rigid connection of the precast concrete beam section and the core combined steel section;
and seventhly, after rigid connection of the upper column and the lower column of the precast concrete column section, the precast concrete beam section and the core combined steel section is completed, the novel beam-column space node system of the quickly-assembled precast concrete structure is formed.
The prefabricated concrete column section, the prefabricated concrete beam section, the core combined steel section and the connecting groove steel section are utilized to carry out rigid anti-seismic energy-consumption connection on the fully prefabricated concrete structure beam column, so that the novel quickly-assembled prefabricated concrete structure beam column space node system is formed, the requirements of a structure 'strong node' and anti-seismic energy consumption are met, and the connecting performance between the prefabricated concrete column and the beam is greatly improved; simple structure is convenient for assemble the construction fast in the place to because be the prefab, consequently still be convenient for categorised depositing and transporting.
The invention is not described in detail, but is well known to those skilled in the art.
Finally, it is to be noted that: although the present invention has been described in detail with reference to examples, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (4)
1. The utility model provides an assemble novel prefabricated assembled concrete structure beam column space node system fast, its characterized in that: the prefabricated concrete beam comprises a prefabricated concrete column section, a prefabricated concrete beam section, a core combined steel section and a connecting groove steel section;
the precast concrete column section comprises a precast concrete upper column and a precast concrete lower column, wherein a small channel steel is pre-embedded in the precast concrete upper column, a large channel steel is pre-embedded in the precast concrete lower column, and the small channel steel and the large channel steel are double-channel steel with grooves formed in the surfaces;
the precast concrete beam section comprises a precast concrete beam body, a connecting piece, a pre-buried steel plate and a beam end double lug plate, wherein the pre-buried steel plate is arranged at one end of the precast concrete beam body;
the core combined steel section comprises outer-coated square steel and combined I-steel, the outer-coated square steel consists of four steel plates, the surfaces of the four steel plates are provided with holes coupled with the outer contour size of the combined I-steel, the four steel plates with holes penetrate through the combined I-steel to be assembled into the outer-coated square steel and welded into the integral core combined steel section, part of flanges of the combined I-steel, which are positioned inside the outer-coated square steel, are provided with clamping grooves and are coupled with small channel steel and large channel steel of the precast concrete column section, and part of ends of the combined I-steel, which extend out of the outer-coated square steel, are processed into lug plate shapes to be connected with double lug plates at the beam end;
the connecting groove steel section comprises a lower groove-shaped cover plate and an upper groove-shaped cover plate, two ends of the lower groove-shaped cover plate and two ends of the upper groove-shaped cover plate are respectively welded with the embedded steel plate of the precast concrete beam section and the outer-covering square steel surface of the core combined steel section, and the top end of the lower groove-shaped cover plate is connected with the bottom end of the upper groove-shaped cover plate.
2. The system of the beam-column space node of the rapidly assembled novel prefabricated concrete structure of claim 1, wherein: the sizes and the grooves of the small channel steel and the large channel steel of the precast concrete column section are coupled with the core combined steel section.
3. The system of the beam-column space node of the rapidly assembled novel prefabricated concrete structure of claim 1, wherein: precast concrete beam section connecting piece, pre-buried steel sheet and beam-ends both ears board are the steel construction and weld as whole.
4. The system of the beam-column space node of the rapidly assembled novel prefabricated concrete structure of claim 1, wherein: the beam end double-lug plate and the combined I-steel of the core combined steel section extend out of the outer square steel wrapping part, the parts processed into lug plate shapes are all provided with holes and are hinged and coupled with each other.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210401555.1A CN114960937A (en) | 2022-04-18 | 2022-04-18 | Novel quickly-assembled prefabricated concrete structure beam column space node system |
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| CN202210401555.1A CN114960937A (en) | 2022-04-18 | 2022-04-18 | Novel quickly-assembled prefabricated concrete structure beam column space node system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114909011A (en) * | 2022-05-11 | 2022-08-16 | 重庆大学 | Floor damage-free replaceable assembled beam column node |
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2022
- 2022-04-18 CN CN202210401555.1A patent/CN114960937A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114909011A (en) * | 2022-05-11 | 2022-08-16 | 重庆大学 | Floor damage-free replaceable assembled beam column node |
| CN114909011B (en) * | 2022-05-11 | 2024-06-11 | 重庆大学 | Replaceable assembled beam column node free of floor damage |
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