CN108265828B - Assembled steel pipe concrete beam column encloses and protects integrated system - Google Patents

Assembled steel pipe concrete beam column encloses and protects integrated system Download PDF

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Publication number
CN108265828B
CN108265828B CN201810225430.1A CN201810225430A CN108265828B CN 108265828 B CN108265828 B CN 108265828B CN 201810225430 A CN201810225430 A CN 201810225430A CN 108265828 B CN108265828 B CN 108265828B
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steel
column
plate
steel tube
embedded
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CN108265828A (en
Inventor
张延年
吴献
田瑶
回国臣
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Zhang Yannian
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/30Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts being composed of two or more materials; Composite steel and concrete constructions
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/185Connections not covered by E04B1/21 and E04B1/2403, e.g. connections between structural parts of different material

Abstract

The invention relates to an assembled steel pipe concrete beam column enclosing and protecting integrated system, and belongs to the technical field of buildings. The concrete filled steel tube comprises a concrete filled steel tube column, a concrete filled steel tube beam, steel nodes, nuts and bolts, wherein the bottom plate bolt holes of the bottom plate of the steel nodes are inserted into the embedded bars in the column at the upper end of the concrete filled steel tube column and are fastened by the nuts, the end parts of the concrete filled steel tube beam are placed in the node grooves, the bolts are adopted to sequentially connect the right side end plate bolt holes of the left side concrete filled steel tube beam, the web bolt holes and the left side end plate bolt holes of the right side concrete filled steel tube beam in the holes, and are fastened by the nuts, the embedded bars in the column at the lower end of the concrete filled steel tube column are inserted into the top plate bolt holes of the top plate of the steel nodes, the nuts are used for fastening, and the embedded bars in the column of the upper column and the lower column are welded. The invention has reliable connection and good integrity, adopts dry connection, improves the installation efficiency, reduces the resource consumption, and is suitable for the development of assembly and integration.

Description

Assembled steel pipe concrete beam column encloses and protects integrated system
Technical Field
The invention belongs to the technical field of buildings, and particularly relates to an assembled steel tube concrete beam column enclosing and protecting integrated system.
Background
The design construction technology of the fabricated concrete building is researched from the fifth sixty of the 20 th century in China, a series of fabricated concrete building systems are formed, and typical building systems comprise fabricated single-layer industrial factory building systems, fabricated multi-layer frame building systems, fabricated large-plate building systems and the like. By the time of the application of the fabricated concrete building in the 80 th century of the 20 th century, a fabricated concrete industrial building mode integrating design, manufacture, construction and installation is formed in many places of the whole country, the fabricated concrete building and a masonry building adopting the prefabricated hollow floor slab become two main building systems, and the application popularization rate is more than 70%. Because of a plurality of limitations and defects of the functions and the physical properties of the fabricated building, the development level of the fabricated concrete building design and construction technology in China is not kept pace with the changes of the social demands and the development of the building technology, the fabricated concrete building is gradually replaced by a full cast-in-place concrete building system in the middle 90 s of the 20 th century, and the fabricated single-layer industrial factory building system is widely applied at present. Other prefabricated building systems have few engineering applications. The integrity of the prefabricated structure earthquake resistance and the specialized research of design construction management are insufficient, so that the technical economy is poor. Is the root cause of the long-term stagnation of the prefabricated structure.
Disclosure of Invention
In order to solve the technical problems, the invention provides an assembled steel pipe concrete beam column enclosing and protecting integrated system, which is mainly used for developing an enclosing and protecting integrated system with reliable connection, good integrity, dry connection and resource saving.
The technical scheme adopted by the invention is as follows
The invention relates to an assembled steel tube concrete beam column enclosing and protecting integrated system which comprises a steel tube concrete column, a steel tube concrete beam, steel nodes, nuts and bolts; the steel pipe concrete column comprises embedded bars in the column; the steel tube concrete beam comprises a cross steel plate, a connecting end plate and an end plate bolt hole which are pre-buried in the beam; the steel node comprises a bottom plate, a bottom plate bolt hole, a web plate bolt hole, angle steel, a top plate bolt hole, a node groove and a hole; the bottom plate bolt holes of the steel node bottom plates are inserted into embedded bars in the steel pipe concrete column at the upper end of the steel pipe concrete column and fastened by nuts; the end part of the steel tube concrete beam is placed in the joint groove, a bolt is adopted to sequentially connect a right end plate bolt hole, a web bolt hole and a left end plate bolt hole of the right steel tube concrete beam in the hole, and the steel tube concrete beam is fastened by nuts; the embedded bars in the steel pipe concrete column at the lower end are inserted into the bolt holes of the top plate of the steel node top plate, are fastened by nuts, and are welded.
Further, embedded bars in the column are arranged at the upper end and the lower end of the steel tube concrete column, one part of the embedded bars in the column extend out of the column, and the other part of the embedded bars are embedded into the column, and the embedding depth meets the requirements.
Further, the end part of the steel pipe concrete beam is provided with a cross steel plate embedded in the beam, one part of the cross steel plate embedded in the beam extends out of the beam, and the other part of the cross steel plate is embedded in the beam, and the embedding depth meets the requirements.
Further, the connecting end plate is welded on one side of the embedded cross steel plate in the beam, the section size of the connecting end plate is consistent with that of the steel tube concrete beam, and an end plate bolt hole is formed in the connecting end plate.
Further, the steel node comprises a bottom plate, a web plate, four angle steels and two top plates, wherein the web plate is welded on the vertical middle line of the bottom plate, the angle steels are welded at four corners of the bottom plate and the notch is outwards, and the two top plates are respectively welded at the top ends of the two upper angle steels and the top ends of the two lower angle steels in a horizontal mode.
Further, the cross section size of the bottom plate is consistent with that of the steel tube concrete column, the heights of the web plates and the angle steel are 2 times of the length of the outer extending section of the embedded steel bar in the column, the two sides of the angle steel are equal in length and form a right angle, the distance between the upper angle steel and the lower angle steel is consistent with the width of the beam, and the length of the top plate is consistent with that of the steel tube concrete column, and the width of the top plate is consistent with the side length of the angle steel.
Further, a node groove is formed between the upper angle steel and the lower angle steel, and the bottom plate, the web plate, the angle steel and the top plate enclose an opening.
Drawings
Fig. 1 is a schematic elevation view of an assembled steel pipe concrete beam column enclosure integrated system according to the invention.
Fig. 2 is a schematic illustration of section A-A of fig. 1.
Fig. 3 is a schematic view of a front view of a concrete filled steel tubular column.
FIG. 4 is a schematic top view of a concrete filled steel tubular column.
Fig. 5 is a schematic view of a front view of a concrete filled steel tube beam.
Fig. 6 is a schematic view of section B-B of fig. 5.
Fig. 7 is a schematic side view of a concrete filled steel tube beam.
Fig. 8 is a schematic top view of a steel node.
Fig. 9 is a schematic view of a front view of a steel node.
In the figure, 1 is a steel pipe concrete column; 2 is a steel pipe concrete beam; 3 is a steel node; 4 is a nut; 5 is a bolt; 1-1 is embedded steel bar in a column; 2-1 is a cross steel plate embedded in a beam; 2-2 is a connecting end plate; 3-1 is a bottom plate; 3-2 is a web; 3-3 is angle steel; 3-4 is a top plate; 3-5 are node grooves; 3-6 are holes; 2-2-1 is an end plate bolt hole; 3-1-1 is a bottom plate bolt hole; 3-2-1 is a web bolt hole; 3-4-1 is a top plate bolt hole.
Detailed Description
Examples
As shown in fig. 1-9, the invention relates to an assembled steel pipe concrete beam column enclosing and protecting integrated system, which comprises a steel pipe concrete column 1, a steel pipe concrete beam 2, a steel node 3, a nut 4 and a bolt 5; the concrete filled steel tube column 1 comprises a column inner embedded steel bar 1-1; the steel tube concrete beam 2 comprises a cross steel plate 2-1 embedded in the beam, a connecting end plate 2-2 and an end plate bolt hole 2-2-1; the steel node 3 comprises a bottom plate 3-1, a bottom plate bolt hole 3-1-1, a web plate 3-2, a web plate bolt hole 3-2-1, angle steel 3-3, a top plate 3-4, a top plate bolt hole 3-4-1, a node groove 3-5 and a hole 3-6; the bottom plate bolt holes 3-1-1 of the bottom plate 3-1 of the steel node 3 are inserted into the embedded bars 1-1 in the steel tube concrete column 1 at the upper end of the steel tube concrete column, and are fastened by nuts 4; the end part of the steel tube concrete beam 2 is placed in the node groove 3-5, a bolt 5 is adopted to sequentially connect a right end plate bolt hole 2-2-1, a web bolt hole 3-2-1 and a left end plate bolt hole 2-2-1 of the right steel tube concrete beam 2 in the hole 3-6, and the steel tube concrete beam 2 is fastened by a nut 4; the embedded bars 1-1 in the lower end of the steel pipe concrete column 1 are inserted into the top plate bolt holes 3-4-1 of the top plate 3-4 of the steel node 3, fastened by nuts 4, and the embedded bars 1-1 in the upper and lower columns are welded.
The upper end and the lower end of the steel tube concrete column 1 are provided with embedded bars 1-1 in the column, one part of the embedded bars 1-1 in the column extends out of the column, and the other part of the embedded bars are embedded in the column, and the embedding depth meets the requirements.
The end part of the steel tube concrete beam 2 is provided with a beam internal embedded cross steel plate 2-1, one part of the beam internal embedded cross steel plate 2-1 extends out of the beam, and the other part is embedded into the beam, and the embedding depth meets the requirement.
The connecting end plate 2-2 is welded on one side of a cross steel plate 2-1 embedded in the beam, the section size of the connecting end plate is consistent with that of the steel tube concrete beam 2, and an end plate bolt hole 2-2-1 is formed in the connecting end plate 2-2.
The steel node 3 consists of a bottom plate 3-1, a web plate 3-2, four angle steels 3-3 and two top plates 3-4, wherein the web plate 3-2 is welded on the vertical middle line of the bottom plate 3-1, the angle steels 3-3 are welded at four corners of the bottom plate 3-1, notches are outwards, and the two top plates 3-4 are respectively welded at the top ends of the upper two angle steels 3-3 and the top ends of the lower two angle steels 3-3 in a horizontal manner.
The cross section size of the bottom plate 3-1 is consistent with that of the steel tube concrete column 1, the heights of the web plate 3-2 and the angle steel 3-3 are 2 times the length of the extending section of the embedded steel bar 1-1 in the column, the two sides of the angle steel 3-3 are equal in length and form a right angle, the distance between the upper angle steel 3-3 and the lower angle steel 3-3 is consistent with the beam width, the length of the top plate 3-4 is consistent with that of the steel tube concrete column 1, and the width is consistent with the side length of the angle steel 3-3.
The joint groove 3-5 is arranged between the upper angle steel 3-3 and the lower angle steel 3-3, and the bottom plate 3-1, the web plate 3-2, the angle steel 3-3 and the top plate 3-4 enclose an opening 3-6.
The foregoing description is only of the preferred embodiments of the present invention, and is not intended to limit the invention in any way, but any simple modification, equivalent variation and modification of the above embodiments according to the technical principles of the present invention are within the scope of the technical solutions of the present invention.

Claims (5)

1. An assembled steel tube concrete beam column enclosing and protecting integrated system comprises a steel tube concrete column (1), a steel tube concrete beam (2), steel nodes (3), nuts (4) and bolts (5); the method is characterized in that: the concrete filled steel tube column (1) comprises embedded bars (1-1) in the column; the steel tube concrete beam (2) comprises a cross steel plate (2-1), a connecting end plate (2-2) and an end plate bolt hole (2-2-1) which are pre-buried in the beam; the steel node (3) comprises a bottom plate (3-1), a bottom plate bolt hole (3-1-1), a web plate (3-2), a web plate bolt hole (3-2-1), angle steel (3-3), a top plate (3-4), a top plate bolt hole (3-4-1), a node groove (3-5) and a hole (3-6); the bottom plate bolt holes (3-1-1) of the bottom plate (3-1) of the steel node (3) are inserted into the embedded bars (1-1) in the steel pipe concrete column (1) at the upper end of the steel pipe concrete column, and are fastened by nuts (4); the end part of the steel tube concrete beam (2) is placed in the node groove (3-5), a bolt (5) is adopted to sequentially connect a right end plate bolt hole (2-2-1), a web bolt hole (3-2-1) and a left end plate bolt hole (2-2-1) of the right steel tube concrete beam (2) in the hole (3-6), and the steel tube concrete beam is fastened by a nut (4); the embedded bars (1-1) in the lower end of the steel pipe concrete column (1) are inserted into the top plate bolt holes (3-4-1) of the top plate (3-4) of the steel node (3), are fastened by nuts (4), and are welded in the embedded bars (1-1) in the upper column and the lower column;
the cross section size of the bottom plate (3-1) is consistent with that of the steel pipe concrete column (1), the heights of the web plate (3-2) and the angle steel (3-3) are 2 times the length of the extending section of the embedded steel bar (1-1) in the column, the two sides of the angle steel (3-3) are equal and form a right angle, the distance between the upper angle steel (3-3) and the lower angle steel (3-3) is consistent with the beam width, the length of the top plate (3-4) is consistent with the cross section length of the steel pipe concrete column (1), and the width is consistent with the side length of the angle steel (3-3);
the upper and lower angle steel (3-3) are provided with a node groove (3-5), and the bottom plate (3-1), the web (3-2), the angle steel (3-3) and the top plate (3-4) form an opening (3-6).
2. The fabricated steel pipe concrete beam column containment integrated system according to claim 1, wherein: the upper end and the lower end of the steel tube concrete column (1) are provided with embedded bars (1-1) in the column, one part of the embedded bars (1-1) in the column extends out of the column, and the other part of the embedded bars are embedded in the column, and the embedding depth meets the requirements.
3. The fabricated steel pipe concrete beam column containment integrated system according to claim 1, wherein: the end part of the steel tube concrete beam (2) is provided with a cross steel plate (2-1) embedded in the beam, one part of the cross steel plate (2-1) embedded in the beam extends out of the beam, and the other part of the cross steel plate is embedded in the beam, and the embedding depth meets the requirements.
4. The fabricated steel pipe concrete beam column containment integrated system according to claim 1, wherein: the connecting end plate (2-2) is welded on one side of the embedded cross steel plate (2-1) in the beam, the section size of the connecting end plate is consistent with that of the steel pipe concrete beam (2), and the connecting end plate (2-2) is provided with an end plate bolt hole (2-2-1).
5. The fabricated steel pipe concrete beam column containment integrated system according to claim 1, wherein: the steel node (3) is composed of a bottom plate (3-1), a web plate (3-2), four angle steels (3-3) and two top plates (3-4), wherein the web plate (3-2) is welded on the vertical middle line of the bottom plate (3-1), the angle steels (3-3) are welded at four corners of the bottom plate (3-1) and are outwards notched, and the two top plates (3-4) are respectively welded at the top ends of the two upper angle steels (3-3) and the top ends of the two lower angle steels (3-3) in a horizontal mode.
CN201810225430.1A 2018-03-19 2018-03-19 Assembled steel pipe concrete beam column encloses and protects integrated system Active CN108265828B (en)

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CN109295994B (en) * 2018-11-06 2021-05-04 重庆大学 Full-assembly type wind power tower cylinder foundation with combined structure
CN109339238A (en) * 2018-11-16 2019-02-15 华侨大学 A kind of prefabricated assembled profile steel concrete column splicing node structure and its construction method
CN109296073A (en) * 2018-11-24 2019-02-01 沈阳建筑大学 Novel fabricated beam-column connection
CN109881776A (en) * 2019-02-26 2019-06-14 中国人民解放军军事科学院国防工程研究院工程防护研究所 A kind of assembling prefabricated reinforced concrete tubular column structure and construction method
CN114908870A (en) * 2022-05-13 2022-08-16 西安建筑科技大学 Novel assembled reinforced concrete beam column node

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