CN115341661B - Assembled steel pipe concrete truss column, truss column assembly and construction method - Google Patents

Assembled steel pipe concrete truss column, truss column assembly and construction method Download PDF

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Publication number
CN115341661B
CN115341661B CN202211039021.5A CN202211039021A CN115341661B CN 115341661 B CN115341661 B CN 115341661B CN 202211039021 A CN202211039021 A CN 202211039021A CN 115341661 B CN115341661 B CN 115341661B
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China
Prior art keywords
assembly
hinged
upright
truss
telescopic
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CN202211039021.5A
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Chinese (zh)
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CN115341661A (en
Inventor
陈志华
杜颜胜
杨子煜
张倩
李一康
王小盾
陈靖昕
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Tianjin University
China Construction Sixth Engineering Division Co Ltd
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Tianjin University
China Construction Sixth Engineering Division Co Ltd
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Priority to CN202211039021.5A priority Critical patent/CN115341661B/en
Publication of CN115341661A publication Critical patent/CN115341661A/en
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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
    • E04B1/343—Structures characterised by movable, separable, or collapsible parts, e.g. for transport
    • E04B1/34315—Structures characterised by movable, separable, or collapsible parts, e.g. for transport characterised by separable parts
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/343—Structures characterised by movable, separable, or collapsible parts, e.g. for transport
    • 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
    • E04B1/343—Structures characterised by movable, separable, or collapsible parts, e.g. for transport
    • E04B1/34315—Structures characterised by movable, separable, or collapsible parts, e.g. for transport characterised by separable parts
    • E04B1/34326—Structures characterised by movable, separable, or collapsible parts, e.g. for transport characterised by separable parts mainly constituted by longitudinal elements
    • 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
    • E04B1/343—Structures characterised by movable, separable, or collapsible parts, e.g. for transport
    • E04B1/34384—Assembling details for foldable, separable, collapsible or retractable structures
    • 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
    • E04B1/343—Structures characterised by movable, separable, or collapsible parts, e.g. for transport
    • E04B1/344—Structures characterised by movable, separable, or collapsible parts, e.g. for transport with hinged parts
    • E04B1/3441—Structures characterised by movable, separable, or collapsible parts, e.g. for transport with hinged parts with articulated bar-shaped elements
    • 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
    • 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
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
    • E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
    • E04C5/01—Reinforcing elements of metal, e.g. with non-structural coatings
    • E04C5/06—Reinforcing elements of metal, e.g. with non-structural coatings of high bending resistance, i.e. of essentially three-dimensional extent, e.g. lattice girders
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/02—Conveying or working-up concrete or similar masses able to be heaped or cast
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/14—Conveying or assembling building elements

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mechanical Engineering (AREA)
  • Joining Of Building Structures In Genera (AREA)

Abstract

The application provides an assembled steel pipe concrete truss column, truss column subassembly and construction method, wherein, assembled steel pipe concrete truss column includes a plurality of truss units, and every truss unit includes: the two upright posts are arranged along the first direction and extend along the second direction; the first direction is perpendicular to the second direction; the telescopic components are arranged along the second direction, are connected with the two stand columns and can be telescopic along the first direction; the folding assemblies are arranged along the second direction and connected with the two stand columns and used for supporting the stand columns along the second direction; wherein the plurality of telescoping assemblies and the plurality of folding assemblies are alternately arranged along the second direction. The assembled steel pipe concrete truss column has the advantages of being capable of being assembled, foldable, simple in structure, flexible in arrangement and high in structural strength.

Description

Assembled steel pipe concrete truss column, truss column assembly and construction method
Technical Field
The present disclosure relates generally to the field of steel structure construction, and more particularly to an assembled steel pipe concrete truss column, a truss column assembly, and a construction method.
Background
Along with the rapid promotion of building industrialization, the country starts to develop the assembled building, especially the assembled steel structure building, responds to the national policy, and the newly built proportion of high-rise assembled structure houses is increased, and the application of the square steel tube concrete column in the assembled high-rise steel structure house structure is gradually increased. The steel pipe concrete has good structural performance, strong energy consumption capability compared with the reinforced concrete column, good local instability resistance capability compared with a pure steel pipe, and good stress performance, but the single steel pipe concrete column has limited lateral resistance capability, and the single column size is not suitable to be oversized.
The truss structure is relatively complex in stress, so far, the research is mainly focused on the research of single components, but the research on the whole structure system of the truss structure is not reported yet, the truss structure can fully exert the material strength, the transverse load is effectively resisted, the research and the application of the steel tube concrete in China are mostly focused on single columns and arches, and the application of the steel tube concrete in the truss structure is ignored.
Disclosure of Invention
In view of the above-mentioned drawbacks or shortcomings of the prior art, it is desirable to provide an assembled steel pipe concrete truss column, truss column assembly and construction method that is simple in structure, flexible in arrangement, high in structural strength and cost-effective in transportation.
The first aspect of the present application provides an assembled concrete filled steel tube truss column, comprising a plurality of truss units, each truss unit comprising:
the two upright posts are arranged along the first direction and extend along the second direction; the first direction is perpendicular to the second direction;
the telescopic components are arranged along the second direction, are connected with the two stand columns and can be telescopic along the first direction;
the folding assemblies are arranged along the second direction and connected with the two stand columns and used for supporting the stand columns along the second direction;
wherein a plurality of the telescoping assemblies and a plurality of the folding assemblies are alternately arranged along the second direction.
According to the technical scheme provided by the embodiment of the application, the folding assembly comprises:
the first bending piece comprises two first connecting sections, one ends of the two first connecting sections are mutually hinged to form a first hinge part, and the other ends of the two first connecting sections are respectively hinged with the two upright posts;
the second bending piece comprises two second connecting sections, one ends of the two second connecting sections are mutually hinged to form a second hinge part, and the other ends of the two second connecting sections are respectively hinged with the two upright posts;
one end of the first connecting plate is hinged with the second hinging part, and the other end of the first connecting plate is hinged with one of the first connecting sections to form a third hinging part;
and one end of the second connecting plate is hinged with the first hinging part, and the other end of the second connecting plate is hinged with the second connecting section far away from the third hinging part to form a fourth hinging part.
According to the technical scheme provided by the embodiment of the application, a first node plate is arranged between the first connecting section and the upright post, the first node plate is fixedly connected with the side wall of the upright post, and the first node plate is hinged with the first connecting section; the second connecting section with be equipped with the second gusset between the stand, the second gusset with stand lateral wall fixed connection, the second gusset with the second connecting section is articulated.
According to the technical scheme provided by the embodiment of the application, the telescopic assembly comprises:
the external member is fixedly arranged on one side of the upright post, which is close to the other upright post, and the interior of the external member is hollow, and an opening communicated with the interior is formed on one side, which is close to each other, of the two external members;
the two ends of the pipe fitting extend into the openings of the two sleeve pieces respectively and are in sliding connection with the sleeve pieces, and the sliding direction is parallel to the first direction.
According to the technical scheme provided by the embodiment of the application, the external member is provided with a first threaded hole, and the pipe fitting is provided with a second threaded hole corresponding to the first threaded hole.
According to the technical scheme that this application embodiment provided, the pipe fitting is inside to be provided with the backup pad, the backup pad with the inside wall fixed connection of pipe fitting.
According to the technical scheme provided by the embodiment of the application, the end part of the upright post is provided with a connecting piece for connecting adjacent truss units.
The second aspect of the application provides a fabricated concrete truss column assembly, which comprises at least two fabricated concrete filled steel tube truss columns and connecting assemblies connected with the fabricated concrete filled steel tube truss columns, wherein each connecting assembly comprises two expansion assemblies and a connecting block for connecting the two expansion assemblies, the expansion assemblies are arranged on the side walls of the upright posts and have a first state and a second state, when in the first state, the expansion assemblies stretch to enable the two trusses to be far away from each other along a second direction, and the second direction is perpendicular to the extending direction of the upright posts; in the second state, the expansion assembly contracts to bring the two trusses closer to each other in a direction parallel to the second direction.
According to the technical scheme provided by the embodiment of the application, the expansion assembly comprises:
the groove piece is arranged on the side wall of the upright post and provided with a sliding groove arranged along the extending direction of the upright post;
the support piece is arranged in parallel to the second direction, one end of the support piece is hinged with the top of the groove piece, the other end of the support piece is provided with a hinge hole and a connecting hole, and the connecting hole is used for installing the connecting block;
and one end of the extension piece is hinged in the chute and is in sliding connection with the chute, the sliding direction is parallel to the extending direction of the upright post, and the other end of the extension piece is hinged with the connecting hole.
A third aspect of the present application provides a construction method of the fabricated steel pipe concrete truss column as described above, including the following steps:
s1, manufacturing an upright post, a telescopic component, a folding component and an expansion component in a factory;
s2, fixedly connecting two ends of the telescopic assembly with the two upright posts respectively, hinging the folding assembly with the two upright posts respectively, and conveying the concrete truss to a construction site;
s3, extending the telescopic assembly and unfolding the folding assembly;
s4, pouring concrete in the upright post to finish the operation.
Compared with the prior art, the beneficial effect of this application lies in: by arranging the two stand columns, the two stand columns are connected through the telescopic component and the folding component, before construction, the telescopic component is contracted, and the folding component is folded, so that the two stand columns are mutually close to each other to reduce occupied space, and the stand columns are convenient to place; when in construction, the telescopic assembly is stretched, the folding assembly is unfolded, so that the two stand columns are far away from each other to be placed in the wall body to support the wall body; the two ends of the upright post are open and the inside of the upright post is hollow, so that the mass of the truss can be reduced, the transportation is convenient, the upright post is filled with concrete after being unfolded, the truss weight is increased, the structural strength is improved, and meanwhile, the defect that the section size of the traditional concrete column is overlarge is overcome; the telescopic component is telescopic and has high structural strength, the folding component is light in weight and has good supporting property, and the truss unit is high in strength and light in weight by arranging the telescopic component and the folding component in a staggered manner;
the two upright posts are connected into a whole through the telescopic assembly and the folding assembly to form a concrete filled steel tube truss column together, so that the upright posts filled with concrete bear vertical force, the truss integrally bears lateral force, and the defect of poor lateral force resistance of the traditional single concrete filled steel tube is overcome. The assembled steel pipe concrete truss column has the advantages of being capable of being assembled, foldable, simple in structure, flexible in arrangement and high in structural strength.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the detailed description of non-limiting embodiments, made with reference to the following drawings, in which:
fig. 1 is a schematic structural view of an assembled steel pipe concrete truss column provided by the application;
fig. 2 is a schematic structural view of the assembled concrete filled steel tube truss column shown in fig. 1 after folding;
FIG. 3 is a schematic top view of the fabricated concrete filled steel tube truss column of FIG. 1;
fig. 4 is a schematic diagram of a connection structure between the middle column of the fabricated steel pipe concrete truss column and the first and second connection plates shown in fig. 1;
FIG. 5 is a schematic view of the telescopic assembly of the fabricated concrete filled steel tube truss column of FIG. 1;
FIG. 6 is a right side view schematic of the telescoping assembly of the fabricated concrete filled steel tube truss column of FIG. 1;
FIG. 7 is a schematic view of the folding assembly of the fabricated concrete filled steel tube truss column of FIG. 1;
FIG. 8 is a schematic view of the connection structure of the fabricated concrete filled steel tube truss column and the adjacent truss column shown in FIG. 1;
fig. 9 is a schematic structural view of an assembled steel pipe concrete truss column assembly provided in the present application;
fig. 10 is a schematic structural view of an assembled steel pipe concrete truss column assembly according to the present application in a contracted state;
FIG. 11 is a schematic structural view of the fabricated concrete filled steel tube truss column assembly of FIG. 9 after expansion;
reference numerals: 100. a column; 200. a telescoping assembly; 210. a kit; 211. a first threaded hole; 220. a pipe fitting; 221. a second threaded hole; 222. a support plate; 300. a folding assembly; 310. a first bending piece; 311. a first connection section; 312. a first hinge part; 320. a second bending piece; 321. a second connection section; 322. a second hinge part; 330. a first connection plate; 331. a third hinge; 340. a second connecting plate; 341. a fourth hinge part; 350. a first node board; 360. a second gusset plate; 400. an expansion component; 410. a trough member; 411. a chute; 420. a support; 421. a hinge hole; 422. a connection hole; 430. an extension member; 500. and (5) connecting a block.
Detailed Description
The present application is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be noted that, for convenience of description, only the portions related to the invention are shown in the drawings.
It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Example 1
Referring to fig. 1 to 3, the present application provides an assembled concrete filled steel tube truss column, including a plurality of truss units, each truss unit including:
the two upright posts 100 are arranged in a first direction, and extend in a second direction; the first direction is perpendicular to the second direction;
the telescopic assemblies 200 are arranged in the second direction, and the telescopic assemblies 200 are connected with the two upright posts 100 and can be telescopic along the first direction;
a plurality of folding assemblies 300, wherein the folding assemblies 300 are arranged along the second direction, and the folding assemblies 300 are connected with the two upright posts 100 and are used for supporting the upright posts 100 along the second direction;
wherein a plurality of the telescopic units 200 and a plurality of the folding units 300 are alternately arranged in the second direction.
Specifically, in this embodiment, 3 telescopic assemblies 200 and 3 folding assemblies 300 are alternately arranged, and the cross section of the upright 100 is square.
Working principle: by arranging the two upright posts 100, the two upright posts 100 are connected through the telescopic assembly 200 and the folding assembly 300, before construction, the telescopic assembly 200 is contracted, and the folding assembly 300 is folded, so that the two upright posts 100 are mutually close to each other to reduce occupied space, and the two upright posts are convenient to place; during construction, the telescopic assembly 200 is extended, and the folding assembly 300 is unfolded, so that the two upright posts 100 are far away from each other to be placed in the wall body to support the wall body; the two ends of the upright post 100 are open and the inside is hollow, so that the mass of the truss can be reduced, the transportation is convenient, the truss weight is increased by filling concrete into the upright post 100 after the expansion, the structural strength is improved, and meanwhile, the defect of overlarge cross section size of the traditional concrete column is overcome; the telescopic assembly 200 is telescopic and has high structural strength, the folding assembly 300 is light in weight and has good supporting property, and the truss units are high in strength and light in weight by staggering the telescopic assembly 200 and the folding assembly 300;
the two upright posts 100 are connected into a whole through the telescopic assembly 200 and the folding assembly 300 to form a concrete filled steel tube truss column together, so that the upright post 100 filled with concrete bears vertical force, the whole truss bears lateral force, and the defect of poor lateral force resistance of the traditional single concrete filled steel tube is overcome. The assembled steel pipe concrete truss column has the advantages of being capable of being assembled, foldable, simple in structure, flexible in arrangement and high in structural strength.
Specifically, in one embodiment, the upright 100 is a square steel column, and the square steel column is hollow at the inner part and is provided with two ends, so that the mass of the truss unit can be reduced by arranging the inner part to be hollow, and the truss unit is convenient to transport; concrete may be added to the interior during use to increase the structural strength of the truss unit.
Further, as shown in fig. 1 and 7, the folding assembly 300 includes a first bending member 310, a second bending member 320, a first connecting plate 330 and a second connecting plate 340, the first bending member 310 includes two first connecting sections 311, two ends of the first connecting sections 311 are provided with through holes, one end of each of the two first connecting sections 311 is hinged through the through hole by a bolt and the bolt is locked by a nut, and the hinged position forms a first hinge part 312; the second bending member 320 includes two second connecting sections 321, through holes are formed at two ends of the second connecting sections 321, one end of each of the two first connecting sections 321 is hinged through a bolt passing through the through hole and locked by a nut, and a second hinge portion 322 is formed at the hinge position;
the two ends of the first connecting plate 330 are provided with through holes, one end of the first connecting plate 330 is hinged with the second hinge portion 322, the other end of the first connecting plate is hinged with one of the first connecting sections 311 through bolts and nuts, a third hinge portion 331 is formed at the hinge position, and the third hinge portion 331 is located between two through holes on the first connecting section 311 and is close to the upright post 100 close to the through holes; the two ends of the second connecting plate 340 are provided with through holes, one end of the second connecting plate 340 is hinged with the first hinging portion 312, the other end of the second connecting plate is hinged with the second connecting section 321 far away from the third hinging portion 331 through nuts and bolts, a fourth hinging portion 341 is formed at the hinged position, and the fourth hinging portion is located between two through holes on the second connecting section and is close to the upright post 100 close to the through holes; in one embodiment, the first connecting section 311, the second connecting section 321, the first connecting plate 330 and the second connecting plate 340 are all steel plates.
By arranging the first bending member 310 and the second bending member 320, the folding assembly 300 can be switched between a state and a folded state, and after the switching, the folding assembly can be tightened by bolts and nuts, so that loosening of the structure is prevented; the structural strength of the first bending member 310 and the second bending member 320 is reinforced by providing the first connecting plate 330 and the second connecting plate 340; the folding assembly 300 can keep the hinged position unchanged in the telescopic process, so that the space is saved, the folding assembly 300 has low rigidity in a plane, can be understood as semi-rigidity, can temporarily reduce displacement reaction due to the energy dissipation effect of the hinged part when an earthquake occurs, and can relieve stress concentration on the other hand, so that the truss has stronger lateral force resistance.
Further, as shown in fig. 1 and 4, a first node plate 350 is disposed between the first connecting section 311 and the upright 100, a second node plate 360 is disposed between the second connecting section 321 and the upright 100, in one embodiment, the first node plate 350 and the second node plate 360 are L-shaped steel plates, the first node plate 350 is welded to the outer side wall of the upright 100, and the end of the first connecting section 311 away from the first hinge 312 is hinged to the first node plate 350 by bolts and nuts; the second node plate 360 is welded to the outer side wall of the upright 100 and is arranged with the first node plate 350 along the extending direction of the upright 100, and one end of the second connecting section 321 away from the second hinge portion 322 is hinged to the second node plate 360 through bolts and nuts; the first node plate 350 and the second node plate 360 are arranged to facilitate the hinge connection of the folding assembly 300 and the upright post 100, and after the folding assembly is switched to the state, the first connecting section 311, the first node plate 350, the second connecting section 321 and the second node plate 360 are locked by bolts and nuts.
Further, as shown in fig. 1 and 5, the telescopic assembly 200 includes a sleeve 210 and a tube 220, the sleeve 210 is welded on one side of each of the columns 100 adjacent to the other column 100 and is hollow inside, an opening communicating with the inside is provided on one side of each of the two adjacent columns 210, two ends of the tube 220 are open and hollow inside, the cross-sectional size of the tube 220 is slightly smaller than that of the sleeve 210, two ends of the tube 220 respectively extend into the openings of the two sleeves 210 and are slidingly connected with the inner side walls of the sleeves 210, and the sliding direction is parallel to the first direction, so that a telescopic structure is formed between the sleeve 210 and the tube 220, and when the telescopic structure is contracted, the tube 220 is hidden in the sleeve 210; in one embodiment, the sleeve 210 is a first square steel pipe with two open ends, the pipe 220 is a second square steel pipe with two open ends, and the cross section of the first square steel pipe is slightly larger than that of the second square steel pipe, so that two ends of the second square steel pipe can respectively extend into the first square steel pipe to be slidingly connected with the inner side wall of the first square steel pipe.
Further, a first threaded hole 211 is provided on the sleeve 210, a second threaded hole 221 corresponding to the first threaded hole 211 is provided on the pipe 220, the first threaded hole 211 is provided on an outer sidewall of one end of the sleeve 210 far away from the upright post 100, the second threaded hole 221 is respectively provided on an outer sidewall of the middle part and two ends of the pipe 220, and when the pipe 220 extends into the sleeve 210 to correspond to the complete folding of the folding assembly 300, the first threaded hole 211 corresponds to the second threaded hole 221 positioned in the middle part of the pipe 220 and is locked by a locking bolt; when the tube extends out of the sleeve 210 corresponding to the full deployment of the folding assembly 300, the first threaded hole 211 corresponds to a second threaded hole 221 at the end of the tube 220 and is locked by a locking bolt.
Further, as shown in fig. 6, a support plate 222 is disposed inside the pipe 220, two sides of the support plate 222 are welded to the top inner side wall and the bottom inner side wall of the pipe 220, and the cross section of the pipe 220 is in a "Chinese character 'ri' shape, so that the structural strength of the pipe 220 can be improved, and further, the telescopic assembly 200 can have better lateral force resistance when being matched with the upright 100.
Further, as shown in fig. 1 and 8, the outer wall of the end portion of the upright post 100 is welded with a connecting member 110 along the circumferential direction, and in a certain embodiment, the connecting member 110 is a flange plate, and by aligning the adjacent truss unit end portions and fixing the adjacent truss units by the flange plate and the fastening bolts, the length of the truss along the extending direction of the upright post 100 can be increased so as to adapt to different construction requirements.
Example 2
The application provides an assembled steel pipe concrete drawing truss column assembly, as shown in fig. 9, comprising at least two assembled steel pipe concrete truss columns and connecting assemblies connected with the assembled steel pipe concrete truss columns according to any one of claims 1-7, wherein each connecting assembly comprises two expansion assemblies 400 and a connecting block 500 for connecting the two expansion assemblies, the expansion assemblies 400 are arranged on the side wall of the upright column 100 and have a first state and a second state, and when in the first state, the expansion assemblies 400 stretch to enable the two trusses to be mutually far away along a second direction, and the second direction is perpendicular to the extending direction of the upright column 100; in the second state, the expansion assembly 400 is contracted to bring the two trusses toward each other in a direction parallel to the second direction.
Specifically, before use, the expansion assemblies 400 are fixedly installed on the side walls of the upright posts 100 and placed in the second state, after the truss is transported to a construction site, the expansion assemblies 400 on the truss are placed in the first state, and the two expansion assemblies 400 are connected through the connecting block 500, so that the two trusses are connected, a plurality of trusses can be connected in an aligned manner, which is equivalent to increasing the length of the truss along the horizontal direction to adapt to different construction requirements; in one embodiment, the second direction is parallel to the first direction, and the truss column assembly is as shown in fig. 9.
Further, as shown in fig. 9, the expansion assembly 400 includes a groove 410, a supporting member 420, and an extension member 430, wherein the groove 410 is welded on the outer sidewall of the upright 100 along the extending direction parallel to the upright 100, an opening with a communicating interior is provided on one side of the groove 410, which is hollow inside and perpendicular to the second direction, and a chute 411 is provided on the sidewall of the groove 410; one end of the supporting member 420 is hinged to the top of the trough member 410, and the other end is provided with a hinge hole 421 and a connecting hole 422, and the supporting member 420 can be retracted into the trough member 410; one end of the extension member 430 is hinged in the chute 411 through a bolt and a nut and is slidably connected with the chute 411, the other end of the extension member 430 is hinged with the hinge hole 421, and as the extension member 430 slides in the chute 411 to drive the support member 420 to extend or retract from the opening in the chute member 410, the extension member 430 slides before construction to enable the support member 420 to retract into the opening of the chute member 410 and lock the bolt and the nut, and when construction is required, the extension member 430 slides to enable the support member 420 to extend out of the opening of the chute member 410 to be perpendicular to the chute member 410, and the two support members 420 are connected by the connecting block 500 in cooperation with the bolt and the nut through the connecting hole 422, so as to form the truss column assembly.
Example 3
The application provides a construction method of the assembled steel pipe concrete truss column, which comprises the following steps:
s1, manufacturing a column 100, a telescopic assembly 200, a folding assembly 300 and an expansion assembly 400 in a factory;
s2, fixedly connecting two ends of the telescopic assembly 200 with the two upright posts 100 respectively, hinging the folding assembly 300 with the two upright posts 100 respectively, and conveying the concrete truss to a construction site;
s3, extending the telescopic assembly 200 and unfolding the folding assembly 300;
s4, pouring concrete in the upright 100 to finish the operation.
Specifically, in step S2, two sleeve members 210 are welded to two upright posts 100, respectively, and the pipe fitting 220 is hidden in the two sleeve members 210 and locked by the locking bolts; the first and second gusset plates 350 and 360 are welded to the upright 100, the first and second connecting sections 311 and 321 are hinged to the first and second gusset plates 350 and 321, respectively, and the folding assembly 300 is placed in the second state.
Specifically, in step S3, the pipe 220 is extended out of the sleeve 210 and locked by the locking bolt, the assembly 200 is placed in the first state and the hinge position is locked by the nut and the bolt, and then the concrete is poured into the column 100 in step S4, thereby completing the preparation work for construction.
By the construction method provided by the embodiment, the transportation cost is reduced, the construction speed is accelerated, the construction period is shortened, the lateral force resistance of the structure is improved, and the stability of the building is improved.
Example 4
As shown in fig. 11, three columns 100 are arranged in an L-shape, adjacent columns 100 are connected by a plurality of telescopic assemblies 200 and folding assemblies 300 arranged in an extending direction of the columns 100, so as to form an L-shaped truss structure, and two columns 100 at the edge of the L-shaped truss are connected with two trusses through two connecting assemblies, so as to form an L-shaped truss column assembly with a longer length in the horizontal direction, so as to adapt to different construction requirements.
The foregoing description is only of the preferred embodiments of the present application and is presented as a description of the principles of the technology being utilized. It will be appreciated by persons skilled in the art that the scope of the invention referred to in this application is not limited to the specific combinations of features described above, but it is intended to cover other embodiments in which any combination of features described above or equivalents thereof is possible without departing from the spirit of the invention. Such as the above-described features and technical features having similar functions (but not limited to) disclosed in the present application are replaced with each other.

Claims (5)

1. The assembled steel pipe concrete truss column assembly is characterized by comprising at least two assembled steel pipe concrete truss columns and a connecting assembly connected with the assembled steel pipe concrete truss columns;
the fabricated concrete filled steel tube truss column comprises a plurality of truss units, each truss unit comprising:
the two upright posts (100) are arranged in a first direction, and extend in a second direction; the first direction is perpendicular to the second direction;
the telescopic assemblies (200) are arranged along the second direction, and the telescopic assemblies (200) are connected with the two upright posts (100) and can be telescopic along the first direction;
the folding assemblies (300) are arranged along the second direction, and the folding assemblies (300) are connected with the two upright posts (100) and used for supporting the upright posts (100) along the second direction;
wherein a plurality of the telescopic members (200) and a plurality of the folding members (300) are alternately arranged in the second direction;
the folding assembly (300) includes:
the first bending piece (310), the first bending piece (310) comprises two first connecting sections (311), one ends of the two first connecting sections (311) are mutually hinged to form a first hinge part (312), and the other ends of the two first connecting sections are respectively hinged to the two upright posts (100);
the second bending piece (320), the second bending piece (320) comprises two second connecting sections (321), one ends of the two second connecting sections (321) are mutually hinged to form a second hinge part (322), and the other ends of the two second connecting sections are respectively hinged to the two upright posts (100);
a first connecting plate (330), wherein one end of the first connecting plate (330) is hinged with the second hinging part (322), and the other end of the first connecting plate is hinged with one of the first connecting sections (311) to form a third hinging part (331);
a second connecting plate (340), wherein one end of the second connecting plate (340) is hinged with the first hinging part (312), and the other end of the second connecting plate is hinged with the second connecting section (321) far from the third hinging part (331) to form a fourth hinging part (341);
the structural strength of the first bending piece (310) and the second bending piece (320) is enhanced by arranging the first connecting plate (330) and the second connecting plate (340);
the telescopic assembly (200) comprises:
the external member (210), the external member (210) is fixedly installed on one side of the upright post (100) close to the other upright post (100) and is arranged in a hollow mode, and an opening communicated with the inside is formed in one side of the two external members (210) close to each other;
the two ends of the pipe fitting (220) are open and hollow, the two ends of the pipe fitting (220) respectively extend into the openings of the two sleeve members (210) and are in sliding connection with the sleeve members (210), and the sliding direction is parallel to the first direction;
the sleeve (210) is provided with a first threaded hole (211), and the pipe fitting (220) is provided with a second threaded hole (221) corresponding to the first threaded hole (211);
the connecting assembly comprises two expansion assemblies (400) and a connecting block (500) for connecting the two expansion assemblies, the expansion assemblies (400) are arranged on the side wall of the upright (100) and have a first state and a second state, when in the first state, the expansion assemblies (400) stretch to enable the two trusses to be far away from each other along a second direction, and the second direction is perpendicular to the extending direction of the upright (100); in said second state, said expansion assembly (400) is contracted to bring the two trusses closer to each other in a direction parallel to said second direction,
the expansion assembly (400) comprises:
a groove member (410), wherein the groove member (410) is mounted on the side wall of the upright (100) and is provided with a sliding groove (411) arranged along the extending direction of the upright (100);
the supporting piece (420) is arranged in parallel to the second direction, one end of the supporting piece (420) is hinged to the top of the groove piece (410), the other end of the supporting piece is provided with a hinge hole (421) and a connecting hole (422), and the connecting hole (422) is used for installing the connecting block (500);
and one end of the extension piece (430) is hinged in the sliding groove (411) and is in sliding connection with the sliding groove (411), the sliding direction is parallel to the extending direction of the upright post (100), and the other end of the extension piece is hinged with the connecting hole (422).
2. The fabricated concrete filled steel tube truss column assembly according to claim 1, wherein a first node plate (350) is arranged between the first connecting section (311) and the upright (100), the first node plate (350) is fixedly connected with the side wall of the upright (100), and the first node plate (350) is hinged with the first connecting section (311); a second node plate (360) is arranged between the second connecting section (321) and the upright post (100), the second node plate (360) is fixedly connected with the side wall of the upright post (100), and the second node plate (360) is hinged with the second connecting section (321).
3. The fabricated concrete filled steel tube truss column assembly of claim 2, wherein a support plate (222) is disposed inside the pipe fitting (220), and the support plate (222) is fixedly connected to an inner side wall of the pipe fitting (220).
4. A fabricated concrete filled steel tube truss column assembly according to claim 3, wherein the ends of the columns (100) are provided with connectors (110) for connecting adjacent truss elements.
5. A method of constructing an assembled concrete filled steel tube truss column assembly of any one of claims 1 to 4, comprising the steps of:
s1, manufacturing a stand column (100), a telescopic component (200), a folding component (300) and an expansion component (400) in a factory;
s2, fixedly connecting two ends of the telescopic assembly (200) with the two upright posts (100), respectively hinging the folding assembly (300) with the two upright posts (100), and conveying the concrete truss column to a construction site;
s3, extending the telescopic assembly (200) and unfolding the folding assembly (300);
s4, pouring concrete in the upright post (100) to finish the operation.
CN202211039021.5A 2022-08-29 2022-08-29 Assembled steel pipe concrete truss column, truss column assembly and construction method Active CN115341661B (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200186312Y1 (en) * 2000-02-03 2000-06-15 이인배 Truss structure
CN108204039A (en) * 2018-02-01 2018-06-26 福建工程学院 A kind of assembled architecture truss structure
CN209293557U (en) * 2018-11-17 2019-08-23 山东科技大学 A kind of guardrail around edges of foundation pit
CN211788050U (en) * 2019-12-18 2020-10-27 王细文 Progress report display device that municipal works construction management used
CN212176785U (en) * 2020-04-21 2020-12-18 深圳市嘉盛建筑工程有限公司 Foundation pit safety protection device
CN113445670A (en) * 2021-08-13 2021-09-28 西安建筑科技大学 Prefabricated and assembled composite steel pipe concrete lattice column and construction method

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200186312Y1 (en) * 2000-02-03 2000-06-15 이인배 Truss structure
CN108204039A (en) * 2018-02-01 2018-06-26 福建工程学院 A kind of assembled architecture truss structure
CN209293557U (en) * 2018-11-17 2019-08-23 山东科技大学 A kind of guardrail around edges of foundation pit
CN211788050U (en) * 2019-12-18 2020-10-27 王细文 Progress report display device that municipal works construction management used
CN212176785U (en) * 2020-04-21 2020-12-18 深圳市嘉盛建筑工程有限公司 Foundation pit safety protection device
CN113445670A (en) * 2021-08-13 2021-09-28 西安建筑科技大学 Prefabricated and assembled composite steel pipe concrete lattice column and construction method

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