CN111411697A - Oblique meshed assembly type steel frame node unit and connection method thereof - Google Patents
Oblique meshed assembly type steel frame node unit and connection method thereof Download PDFInfo
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- CN111411697A CN111411697A CN202010406842.2A CN202010406842A CN111411697A CN 111411697 A CN111411697 A CN 111411697A CN 202010406842 A CN202010406842 A CN 202010406842A CN 111411697 A CN111411697 A CN 111411697A
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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
- E04B1/19—Three-dimensional framework structures
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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
- E04B1/5806—Connections for building structures in general of bar-shaped building elements with a cross-section having an open profile
- E04B1/5812—Connections for building structures in general of bar-shaped building elements with a cross-section having an open profile of substantially I - or H - form
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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
- E04B1/5825—Connections for building structures in general of bar-shaped building elements with a closed cross-section
- E04B1/5831—Connections for building structures in general of bar-shaped building elements with a closed cross-section of substantially rectangular form
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- 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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- 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 invention discloses an oblique meshed assembly type steel frame node unit and a connecting method thereof. This steel frame node unit includes square steel pipe, I-beam, W type flitch, the one end of I-beam is installed on the side of square steel pipe, and the edge of a wing department of this end of I-beam is provided with slant steel bayonet socket, the other end of I-beam extends to the outside of square steel pipe, the W type flitch includes the vertical steel sheet of W type and takes the horizontal steel sheet of slant bayonet socket, respectively set up two slant bayonet socket horizontal steel sheets about the both ends of the vertical steel sheet of W type, slant bayonet socket recess on the horizontal steel sheet of slant bayonet socket inserts to the direction of square steel pipe along the slant steel bayonet socket on the I-beam to it is inboard to make the I-beam edge of a wing of W type flitch install in square steel pipe corner, W type flitch and I-beam fixed connection. The beam column joint construction is carried out by the method, welding is not needed on site, the construction speed is high, and the assembly degree is high.
Description
Technical Field
The invention discloses a beam column joint of a matched steel frame structure and a connecting method thereof, and particularly relates to a matched steel frame joint which is free from welding in site construction, high in construction speed and high in assembly degree and a connecting method thereof.
Background
In the construction of an assembled steel frame structure, beam-column joint connection is always the key control content of construction, most of traditional connection methods are welding, on-site welding needs a large amount of manpower and material resources, the construction speed is low, and the welding quality is influenced by the level of a welder. Therefore, in the construction of the beam-column joint of the fabricated steel frame, a construction process capable of replacing welding is urgently needed, the process requirements are met, and the construction speed is increased.
Disclosure of Invention
In order to solve the problems that the traditional assembly type steel frame structure beam column joint is complex in construction, construction quality is difficult to guarantee and the like, the invention provides the oblique engagement type assembly type steel frame joint unit which is simple in process and high in construction speed.
The invention adopts the following technical scheme:
the utility model provides an oblique interlock formula assembled steel frame node unit, includes square steel pipe, I-beam, W type flitch, the one end of I-beam is installed on the side of square steel pipe, and the edge of a wing department of this end of I-beam is provided with the slant steel bayonet socket, the other end of I-beam extends to the outside of square steel pipe, the W type flitch includes the vertical steel sheet of W type and takes the horizontal steel sheet of slant bayonet socket, respectively set up two slant bayonet socket horizontal steel sheets about the both ends of the vertical steel sheet of W type, slant bayonet socket recess on the horizontal steel sheet of slant bayonet socket inserts to the direction of square steel pipe along the slant steel bayonet socket on the I-beam to make the I-beam edge of a wing inboard of W type flitch installation in square steel pipe corner, W type flitch and I-beam fixed connection.
Furthermore, the square steel pipes comprise upper layer square steel pipes, lower layer square steel pipes, node square steel pipes and steel supporting plates, wherein the size of the node square steel pipes is smaller than that of the upper layer square steel pipes and the lower layer square steel pipes, and the steel supporting plates are arranged on the lower portions of the nodes and used for supporting the I-shaped beams.
Furthermore, a first reserved hole is formed in the web plate of the I-beam, second reserved holes are formed in two ends of the W-shaped flitch respectively, the first reserved hole and the second reserved hole correspond to each other and are penetrated by high-strength bolts, and the web plate of the I-beam and the W-shaped flitch are connected through the high-strength bolts to form the assembled steel frame beam-column joint unit.
Furthermore, the inclined bayonet grooves on the horizontal steel plates of the inclined bayonets and the inclined steel bayonets on the I-shaped beams are inclined at an angle of 45 degrees.
Furthermore, the flange of the I-beam is connected with the inclined bayonet grooves of the W-shaped flitch through an inclined steel bayonet in an occluded mode, the web of the I-beam is connected with the W-shaped flitch through the four W-shaped flitch wrapped by the bolts, and the whole connection does not include a welding connection structure.
A connection method of an oblique engagement type assembly steel frame node unit comprises the following steps:
1) mounting and fixing the square steel pipe;
2) placing the I-beam on a steel supporting plate of the square steel pipe along four directions of the square steel pipe, and temporarily fixing the I-beam after placing and positioning;
3) the method comprises the following steps that a W-shaped pasting plate is obliquely inserted along four directions of 45 degrees, 135 degrees, 225 degrees and 315 degrees of a column, oblique bayonet grooves on the upper side and the lower side of the W-shaped pasting plate are just complementary with oblique steel bayonet grooves on flanges at the end parts of an I-shaped beam and are mutually occluded, two steel plates in the middle of the W-shaped vertical steel plate are attached to a square steel pipe, two steel plates at the end parts of the W-shaped vertical steel plate are attached to a web plate of the I-shaped beam, and the W-shaped pasting plates are attached to two sides of the web plate;
4) and connecting the web plate of the I-beam with the W-shaped flitch through a high-strength bolt to form the assembled steel frame beam-column joint unit.
The invention has the following beneficial effects:
the supporting plate is arranged at the beam column joint of the square steel pipe column, the oblique bayonet is arranged at the flange end part of the I-shaped beam, the oblique bayonet and the web form a 45-degree angle, and the I-shaped beam is placed on the supporting plate along four directions. Wrap up W type flitch respectively along beam column node 45 directions, flitch level area bayonet socket steel sheet recess just in time with the mutual interlock of beam flange slant bayonet socket, flitch partly with the laminating of square steel tubular column, partly with the laminating of beam web, the last Dongguan high strength bolt is connected type flitch and I-shaped beam web, forms beam column node unit. The beam column joint construction is carried out by the method, welding is not needed on site, the construction speed is high, and the assembly degree is high.
Drawings
FIG. 1 is a schematic view of a square steel tubular column;
FIG. 2 is a schematic view of an I-beam;
FIG. 3 is a schematic view of a W-shaped patch;
FIG. 4 is a oblique elevational view of the W-shaped patch;
FIG. 5 is a top view of a W-shaped patch;
FIG. 6 is a first plane view of steel frame assembly;
FIG. 7 is a second plan view of the steel frame assembly;
FIG. 8 is a third plan view of the steel frame assembly;
FIG. 9 is a first three-dimensional schematic diagram of steel frame assembly;
FIG. 10 is a second three-dimensional schematic diagram of steel frame assembly;
fig. 11 is a three-dimensional schematic diagram of steel frame assembly.
The labels in the figure are: 1. a square steel pipe; 11. an upper layer of square steel pipe; 12. a lower layer of square steel pipe; 13. a node is a square steel pipe; 14. a steel pallet; 2. an I-beam; 21. oblique steel bayonet; 22. a first reserved hole; 3. a W-shaped flitch; 31. a W-shaped vertical steel plate; 32. a horizontal steel plate with an oblique bayonet; 33. an oblique bayonet groove; 34. a second reserved hole; 4. high-strength bolt.
Detailed Description
For a further understanding of the invention, reference should be made to the following detailed description taken in conjunction with the accompanying drawings and examples.
The present embodiment provides an oblique engagement type fabricated steel frame node unit as shown in fig. 11, which includes a square steel pipe 1, an i-beam 2, and a W-shaped flitch plate 3.
As shown in fig. 1, the square steel pipes include an upper layer of square steel pipes 11, a lower layer of square steel pipes 12, a node point square steel pipe 13 and a steel supporting plate 14, the upper layer of square steel pipes 11, the lower layer of square steel pipes 12, the node point square steel pipes 13 and the steel supporting plate 14 are integrally prefabricated in a factory, the size of the node point square steel pipe 13 is slightly smaller than that of the upper layer of square steel pipes and that of the lower layer of square steel pipes, and the steel supporting plate is arranged on the lower portion of the node.
As shown in fig. 2, the i-beam 2 includes a web and four flanges, the four flanges at the end of the i-beam 2 are provided with oblique steel bayonets 21, the steel bayonets and the flanges are prefabricated in a factory, and the web of the i-beam is provided with a first reserved hole 22.
As shown in fig. 3-5, the W-shaped flitch plate 3 includes a W-shaped vertical steel plate 31 and a horizontal steel plate 32 with an oblique bayonet, two horizontal steel plates 32 with an oblique bayonet are respectively disposed at two ends of the W-shaped vertical steel plate 31, and a second reserved hole 34 is respectively disposed at two ends of the W-shaped vertical steel plate.
The embodiment also provides a connecting method of the oblique engagement type assembly type steel frame node unit.
Firstly, the square steel pipe column 1 is installed and fixed, the I-shaped beam 2 is placed on the steel supporting plate 14 of the square steel pipe column along four directions of the square steel pipe, as shown in figures 6-7, and the I-shaped beam is temporarily fixed after being placed and positioned, as shown in figure 9. The W-shaped flitch 3 is obliquely inserted along four directions of 45 degrees, 135 degrees, 225 degrees and 315 degrees of the column, as shown in figure 8, the oblique bayonet grooves 33 at the upper side and the lower side of the W-shaped flitch 3 are just complementary with the flanges at the end parts of the I-shaped beam in a tasty way and are mutually meshed, two steel plates in the middle of the W-shaped vertical steel plate 31 are attached to the square steel pipe column, and two steel plates at the end part of the W-shaped vertical steel plate 31 are attached to the web plate of the I-shaped beam, as shown in figure. And finally, connecting the I-beam web plate and the W-shaped flitch through a high-strength bolt 4 to form an assembly type steel frame beam-column joint unit, wherein the W-shaped flitch is attached to the I-beam web plate on two sides, and the assembly type steel frame beam-column joint unit is shown in figure 11.
In summary, the oblique engagement type assembly steel frame node unit of the present invention is mainly composed of square steel pipe columns, i-beams, W-shaped flitch plates, and high-strength bolts. The square steel pipe column is provided with a supporting plate at a beam column joint, the end part of the flange of the I-shaped beam is provided with an oblique bayonet, the oblique bayonet and the web plate are 45 degrees, and the I-shaped beam is placed on the supporting plate along four directions. Wrap up W type flitch respectively along beam column node 45 directions, flitch level area bayonet socket steel sheet recess just in time with the mutual interlock of beam flange slant bayonet socket, flitch partly with the laminating of square steel tubular column, partly with the laminating of beam web, the last Dongguan high strength bolt is connected type flitch and I-shaped beam web, forms beam column node unit. In the connection process, the flanges of the I-beam are completely connected by mutually engaging the steel bayonets and the grooves of the W-shaped flitch plates, and the web plate of the I-beam is formed by wrapping four W-shaped flitch plates and then connecting the wrapped W-shaped flitch plates by bolts. Because welding is not needed, the construction speed is improved, and the assembly degree is high.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides an oblique interlock formula assembled steel frame node unit which characterized in that: comprises a square steel pipe (1), an I-beam (2) and a W-shaped flitch plate (3), wherein one end of the I-beam (2) is arranged on the side surface of the square steel pipe (1), and the flange of the end of the I-beam (2) is provided with an oblique steel bayonet (21), the other end of the I-beam (2) extends towards the outer side of the square steel pipe (1), the W-shaped flitch plate (3) comprises a W-shaped vertical steel plate (31) and a horizontal steel plate (32) with an oblique bayonet, two oblique bayonet horizontal steel plates (32) are respectively arranged at the upper and lower parts of two ends of the W-shaped vertical steel plate (31), the inclined bayonet groove (33) on the inclined bayonet horizontal steel plate (32) is inserted along the inclined steel bayonet (21) on the I-beam (2) towards the direction of the square steel pipe (1), therefore, the W-shaped flitch (3) is arranged on the inner side of the flange of the I-shaped beam (2) at the corner of the square steel pipe (1), and the W-shaped flitch (3) is fixedly connected with the I-shaped beam (2).
2. The diagonal engagement type fabricated steel frame node unit according to claim 1, wherein: the square steel pipe (1) comprises an upper layer square steel pipe (11), a lower layer square steel pipe (12), a node square steel pipe (13) and a steel supporting plate (14), wherein the size of the node square steel pipe (13) is smaller than that of the upper layer square steel pipe (11) and that of the lower layer square steel pipe (12), and the steel supporting plate (14) is arranged on the lower portion of the node and used for supporting the I-shaped beam (2).
3. The diagonal engagement type fabricated steel frame node unit according to claim 1, wherein: a first reserved hole (22) is formed in the web plate of the I-beam (2), second reserved holes (34) are formed in the two ends of the W-shaped pasting plate (3) respectively, the first reserved hole (22) and the second reserved hole (34) correspond to each other and penetrate through a high-strength bolt (4), and the web plate of the I-beam (2) is connected with the W-shaped pasting plate (3) through the high-strength bolt (4) to form an assembly type steel frame beam column joint unit.
4. The diagonal engagement type fabricated steel frame node unit according to claim 1, wherein: the inclined bayonet grooves (33) on the inclined bayonet horizontal steel plates (32) and the inclined steel bayonets (21) on the I-shaped beam (2) are inclined at an angle of 45 degrees.
5. The diagonal engagement type fabricated steel frame node unit according to claim 1, wherein: the flange of the I-beam (2) is connected with the oblique bayonet grooves (33) of the W-shaped flitch plates (3) in an occluded mode through the oblique steel bayonets (21), the web of the I-beam (2) is connected with the web of the W-shaped flitch plates (3) in a wrapped mode through the four W-shaped flitch plates (3) through bolts, and the whole connection does not include a welding connection structure.
6. A connection method of an oblique engagement type assembly steel frame node unit comprises the following steps:
1) installing and fixing the square steel pipe (1);
2) the I-shaped beam (2) is placed on a steel supporting plate (14) of the square steel pipe (1) along four directions of the square steel pipe (1), and the I-shaped beam (2) is temporarily fixed after being placed and positioned;
3) the W-shaped flitch (3) is obliquely inserted along four directions of a column of 45 degrees, a column of 135 degrees, a column of 225 degrees and a column of 315 degrees, at the moment, oblique bayonet grooves (33) on the upper side and the lower side of the W-shaped flitch (3) are just complementary with oblique steel bayonets (21) on flanges of the end parts of the I-shaped beam (2) and are mutually meshed, two steel plates in the middle of the W-shaped vertical steel plate (31) are attached to the square steel pipe (1), two steel plates on the end parts of the W-shaped vertical steel plate (31) are attached to a web plate of the I-shaped beam (2), and the W-shaped flitch (3) is attached to the web;
4) and connecting the web plate of the I-beam (2) with the W-shaped flitch (3) through a high-strength bolt (4) to form the assembled steel frame beam-column joint unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010406842.2A CN111411697A (en) | 2020-05-14 | 2020-05-14 | Oblique meshed assembly type steel frame node unit and connection method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010406842.2A CN111411697A (en) | 2020-05-14 | 2020-05-14 | Oblique meshed assembly type steel frame node unit and connection method thereof |
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| CN111411697A true CN111411697A (en) | 2020-07-14 |
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| CN202010406842.2A Pending CN111411697A (en) | 2020-05-14 | 2020-05-14 | Oblique meshed assembly type steel frame node unit and connection method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112376693A (en) * | 2020-11-05 | 2021-02-19 | 海南大学 | Angle piece shroud ring type light steel structure connecting joint |
-
2020
- 2020-05-14 CN CN202010406842.2A patent/CN111411697A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112376693A (en) * | 2020-11-05 | 2021-02-19 | 海南大学 | Angle piece shroud ring type light steel structure connecting joint |
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