CN112796425A - Connecting device and method for concrete column and steel beam of industrial factory building - Google Patents
Connecting device and method for concrete column and steel beam of industrial factory building Download PDFInfo
- Publication number
- CN112796425A CN112796425A CN202110105150.9A CN202110105150A CN112796425A CN 112796425 A CN112796425 A CN 112796425A CN 202110105150 A CN202110105150 A CN 202110105150A CN 112796425 A CN112796425 A CN 112796425A
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- China
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- plate
- tie bar
- steel
- concrete column
- rigid tie
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Classifications
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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
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
- E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/30—Columns; Pillars; Struts
- E04C3/34—Columns; Pillars; Struts of concrete other stone-like material, with or without permanent form elements, with or without internal or external reinforcement, e.g. metal coverings
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- 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
Abstract
The invention provides a connecting device and a connecting method for a concrete column and a steel beam of an industrial factory building, which comprise the following steps: the steel beam connection part is arranged on the two sides of the conversion node; the two sides of the conversion node, which are vertical to the steel beam, are respectively connected with a rigid tie bar through the rigid tie bar connecting piece; the bottom of the conversion node is connected to the top of the concrete column through the fastener. The concrete column stress is converted from the original eccentric load to the axis stress, the structural stress is better, the section size of the column can be properly reduced and the reinforcement amount can be reduced through calculation, so that the aim of reducing the manufacturing cost is fulfilled; the roofing system is all steel construction material (elastic material), and the material is unified, and is more unanimous in the deformation coordination, and the roofing wholeness that makes is better, and the whole harmony that warp is better to roofing system security has also been improved.
Description
Technical Field
The invention belongs to the field of constructional engineering, and particularly relates to a connecting device and a connecting method for a concrete column and a steel beam of an industrial factory building.
Background
In the prior art, the traditional portal rigid frame has the advantages of light dead weight, high rigidity, flexible column net arrangement, simple structure, reasonable stress, convenience in construction and the like, and is widely applied to industrial factory building construction. However, due to practical factors such as the use function of the factory building, environment, economy and safety, in practical engineering, more factory building projects need to use concrete columns to replace steel structure columns to form a large-space (large column net) structure system, and the traditional light steel roof system is still adopted in the roof system. As shown in a traditional connection node (shown in figure 1) of a steel beam and a concrete column, a lateral embedded part is inconvenient to position and embed from the construction point of view; from the stress angle, the concentrated force generated at the end of the steel beam generates unbalanced bending moment on the concrete column, and the cross section of the concrete column is easy to damage. The traditional node lateral embedded part is not accurately positioned in construction, the construction quality is poor, and the period is long; the bending moment generated by the eccentric load is poor in the stress performance of the concrete column.
Disclosure of Invention
The invention aims to provide a device and a method for connecting a concrete column and a steel beam of an industrial factory building, which are particularly suitable for connecting a reinforced concrete column and a solid-web steel beam.
In order to solve the technical problems, the invention adopts the technical scheme that: a connecting device for industrial plant concrete post and girder steel includes: the steel beam connection part is arranged on the two sides of the conversion node; the two sides of the conversion node, which are vertical to the steel beam, are respectively connected with a rigid tie bar through the rigid tie bar connecting piece; the bottom of the conversion node is connected to the top of the concrete column through the fastener.
Further, the conversion node includes: the stiffening web plate is arranged between the top plate and the bottom plate, and is connected with the top plate and the bottom plate which are arranged in parallel to form an I-shaped structure;
the stiffening rib plates are perpendicular to the stiffening web plates and are arranged between the top plate and the bottom plate.
Furthermore, the stiffening rib plates are vertically arranged on two sides of the stiffening web plate.
Furthermore, the stiffening rib plate is provided with a hole connected with the steel beam connecting piece; and the stiffening web plate is provided with a hole connected with the rigid tie bar connecting piece.
Furthermore, the bottom plate is provided with a hole connected with the fastener.
Further, the fastener is an embedded bolt, the bottom plate is connected to the top of the concrete column through the embedded bolt, a bolt backing plate is arranged between the bottom plate and the top of the concrete column, and a nut is screwed on the end of the embedded bolt.
Furthermore, one end of the rigid tie bar is vertically connected with an end plate, and one side of the end plate, which is far away from the rigid tie bar, is vertically connected with the rigid tie bar connecting piece.
Furthermore, a hole connected with the stiffening web is formed in the steel beam connecting piece;
the rigid tie bar connecting piece is provided with a hole connected with the stiffening rib plate.
In order to achieve the purpose, the invention also provides a using method of the connecting device for the concrete column and the steel beam of the industrial factory building, which comprises the following steps:
s1: connecting and assembling the conversion nodes according to the connection relation of each component;
s2: the fastening piece is pre-buried in the position close to the top of the concrete column, and the conversion node is fixedly connected to the top of the concrete column through the fastening piece;
s3: the steel beams on the left side and the right side are connected to the two sides of the conversion node through the steel beam connecting pieces and are fastened through high-strength bolts;
s4: and the front and rear rigid tie bars are connected to the front end and the rear end of the conversion node in the direction vertical to the steel beam through the rigid tie bar connecting piece, and are fastened through the high-strength bolt, so that the connection is completed.
Due to the adoption of the technical scheme, the method has the following advantages:
1. the stress of the concrete column is converted from the original eccentric load to the axial stress, the structural stress is better, the section size of the column can be properly reduced and the reinforcement amount can be reduced through calculation, so that the aim of reducing the manufacturing cost is fulfilled;
2. the roofing system is all steel construction material (elastic material), and the material is unified, and is more unanimous in the deformation coordination, and the roofing wholeness that makes is better, and the whole deformation coordination is better, and it is clear and definite, the atress is better to pass power to roofing system security has also been improved.
3. The steel beam is connected together through horizontal support, rigidity tie rod and forms roofing system, buries the piece and buries by the side and change into vertically to bury underground, and the construction is more convenient, simple structure, easy maintenance.
Drawings
FIG. 1 is a schematic view of an overall mounting structure of one embodiment of the present invention;
FIG. 2 is a cross-sectional view in the direction 1-1 of one embodiment of the present invention;
FIG. 3 is a cross-sectional view in the direction 2-2 of one embodiment of the present invention;
FIG. 4 is a schematic diagram of a translation node according to an embodiment of the present invention.
In the figure:
1. top steel plate 2, stiffening rib plate 3 and bottom steel plate
4. Stiffening web 5, concrete column 6, rigid tie rod
7. Steel beam 8, steel beam connecting piece 9 and rigid tie rod connecting piece
10. Embedded bolt 11 and bolt backing plate
Detailed Description
The invention is further illustrated by the following examples and figures:
in one embodiment of the present invention, as shown in fig. 1, a connecting device for concrete columns and steel beams of an industrial plant includes: the steel beam type tie bar comprises a conversion node, a steel beam connecting piece 8, a rigid tie bar connecting piece 9 and a fastening piece, wherein two sides of the conversion node are respectively connected to one end of a steel beam 7 through the steel beam connecting piece 8, namely two sides of the conversion node are respectively connected with one steel beam 7 through the conversion node; two sides of the vertical steel beam 7 of the conversion node are respectively connected to one end of a rigid tie bar 6 through a rigid tie bar connecting piece 9, and two sides of the vertical steel beam 7 of the conversion node are respectively connected with one rigid tie bar 6; the bottom of the conversion node is connected to the top of the concrete column 5 by fasteners.
The conversion node shown in fig. 4 includes: the steel plate comprises a top steel plate 1, a stiffening rib plate 2, a bottom steel plate 3 and a stiffening web plate 4, wherein the top steel plate 1 is a rectangular plate, the top end of the stiffening web plate 4 is perpendicular to the bottom of the top steel plate 1 and is welded by adopting a double-sided fillet weld, the front side and the rear side of the stiffening web plate 4 are respectively provided with a hole connected with a rigid tie rod connecting piece 9, and in the embodiment, the front side and the rear side of the stiffening web plate 4 are respectively provided with a pair of threaded holes; the bottom steel plate 3 is arranged in parallel with the top steel plate 1, the bottom steel plate 3 is arranged perpendicular to the bottom of the stiffening web plate 4 and welded to the bottom of the stiffening web plate 4 by adopting double-sided fillet welding, the bottom steel plate 3 is a rectangular plate with the same size as the top steel plate 1, and two pairs of holes connected with the embedded bolts 10 are arranged in parallel on the rectangular plate; the stiffening web plate 4 is connected with the top steel plate 1 and the bottom steel plate 3 which are arranged in parallel to form an I-shaped structure; stiffening rib board 2 perpendicular stiffening web 4 sets up between the board 4 just at the top and the board 4 just in the bottom, in this embodiment, the number of stiffening rib board 2 is two, two stiffening rib boards 2 adopt the mode of two-sided fillet weld to weld respectively in the both sides of stiffening rib board 4, the central line department of 3 length direction of bottom steel sheet, this stiffening rib board 2's width is bottom steel sheet 3 to half, in this embodiment, be provided with the four holes of being connected with girder steel connecting piece 8 on the stiffening rib board 2, be connected girder steel 7 with the gusset 3 that adds through girder steel connecting piece 8, and screw up through high strength bolt.
As shown in fig. 1-2, in this embodiment, the fastening member is an embedded bolt 10, before the concrete column 5 is poured, the embedded bolt 10 is embedded inside the concrete column 5, the embedded bolt 10 is U-shaped, two ends of the embedded bolt 10 extend out of the upper part of the concrete column 5, the bottom steel plate 3 is connected to the top of the concrete column 5 through the embedded bolt 10, so as to connect the steel beam 7 and the rigid tie bar 6 to the top of the concrete column 5 through the conversion node, the stress of the concrete column 5 is converted from the original eccentric load to the axial stress, the structural stress is better, the column cross-sectional size can be properly reduced and the reinforcement amount can be reduced through calculation; in the connection process, as shown in fig. 2, two groups of four bolt backing plates 11 are arranged between the bottom steel plate 3 and the top of the concrete column 5, and nuts are screwed on the end parts of the embedded bolts 10 to ensure the fastening connection.
As shown in fig. 3, an end plate is vertically and fixedly connected to one end of the rigid tie bar 6, a rigid tie bar connecting piece 9 is vertically and fixedly connected to one side of the end plate away from the rigid tie bar 6, the rigid tie bar connecting piece 9 is located on a central axis of the rigid tie bar 6, the rigid tie bar connecting piece 9 and the end plate are connected together to form a T-shaped structure, a hole connected with the stiffening web 4 is formed in the rigid tie bar connecting piece 9, and in this embodiment, two sides of the stiffening web 4 are respectively connected with one rigid tie bar 6 through high-strength bolts.
The roofing system is all steel construction material (elastic material), and the material is unified, and is more unanimous in the deformation coordination, and the roofing wholeness that makes is better, and the whole deformation coordination is better, and it is clear and definite, the atress is better to pass power to roofing system security has also been improved. The steel beam 7 is connected together through the horizontal support and the rigid tie bar 6 to form a roof system, the side surface embedding of the embedded part is changed into vertical embedding, and the roof system is more convenient to construct, simple in structure and convenient to maintain.
The working process of one embodiment of the invention is as follows:
1. connecting the conversion nodes according to the connection relation of all components, accurately positioning the stiffening rib plates 2, the stiffening web plates 4 and the bottom steel plates 3 in a factory, then forming holes and tapping threads, and welding the top plate steel plates 1 and the stiffening rib plates 4 by adopting double-sided fillet welds; welding the bottom plate steel plate 3 with the stiffening rib plate 4 by adopting a double-sided fillet weld; welding the two stiffening rib plates 2 with the stiffening rib plate 4 by adopting double-sided fillet welding; the stiffening rib plates 2 and 4 and the roof steel plates 1 and 3 are integrally welded and assembled.
2. Pre-embedding a pre-embedded bolt 10 in the interior close to the top of the concrete column 5, and fixedly connecting a conversion node to the top end of the concrete column 5 through the pre-embedded bolt 10 on the top of the column;
3. connecting the steel beams 7 on the left side and the right side to the tightening rib plates 2 of the conversion nodes through high-strength bolts;
4. and connecting the front and rear rigid tie bars 6 to the stiffening web 4 of the conversion node through high-strength bolts, namely completing the connection.
The embodiments of the present invention have been described in detail, but the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (9)
1. The utility model provides a connecting device for be used for industry factory building concrete column and girder steel which characterized in that includes: the steel beam connection part is arranged on the two sides of the conversion node; the two sides of the conversion node, which are vertical to the steel beam, are respectively connected with a rigid tie bar through the rigid tie bar connecting piece; the bottom of the conversion node is connected to the top of the concrete column through the fastener.
2. The connecting device for the concrete columns and steel beams of industrial plants according to claim 1, characterized in that: the conversion node includes: the stiffening web plate is arranged between the top plate and the bottom plate, and is connected with the top plate and the bottom plate which are arranged in parallel to form an I-shaped structure;
the stiffening rib plates are perpendicular to the stiffening web plates and are arranged between the top plate and the bottom plate.
3. A connection device for concrete columns and steel beams of industrial plants according to claim 2, characterized in that: the stiffening rib plates are vertically arranged on two sides of the stiffening web plate.
4. A connection device for concrete columns and steel beams of industrial plants according to claim 2 or 3, characterized in that: the stiffening rib plate is provided with a hole connected with the steel beam connecting piece; and the stiffening web plate is provided with a hole connected with the rigid tie bar connecting piece.
5. A connection device for concrete columns and steel beams of industrial plants according to claim 2 or 3, characterized in that: the bottom plate is provided with holes connected with the fasteners.
6. A connection device for concrete columns and steel beams of industrial plants according to claim 2, characterized in that: the fastener is a pre-buried bolt, the bottom plate is connected to the top of the concrete column through the pre-buried bolt, a bolt backing plate is arranged between the bottom plate and the top of the concrete column, and a nut is screwed on the end of the pre-buried bolt.
7. The connecting device for the concrete columns and steel beams of industrial plants according to claim 1, characterized in that: one end of the rigid tie bar is vertically connected with an end plate, and one side of the end plate, which is far away from the rigid tie bar, is vertically connected with the rigid tie bar connecting piece.
8. A connection device for concrete columns and steel beams of industrial plants according to claim 2, characterized in that: the steel beam connecting piece is provided with a hole connected with the stiffening web;
the rigid tie bar connecting piece is provided with a hole connected with the stiffening rib plate.
9. A method for using a device for connecting concrete columns and steel beams of industrial plants according to claim 1, characterized by the steps of:
s1: connecting and assembling the conversion nodes according to the connection relation of each component;
s2: the fastening piece is pre-buried in the position close to the top of the concrete column, and the conversion node is fixedly connected to the top of the concrete column through the fastening piece;
s3: the steel beams on the left side and the right side are connected to the two sides of the conversion node through the steel beam connecting pieces and are fastened through high-strength bolts;
s4: and the front and rear rigid tie bars are connected to the front end and the rear end of the conversion node in the direction vertical to the steel beam through the rigid tie bar connecting piece, and are fastened through the high-strength bolt, so that the connection is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110105150.9A CN112796425A (en) | 2021-01-26 | 2021-01-26 | Connecting device and method for concrete column and steel beam of industrial factory building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110105150.9A CN112796425A (en) | 2021-01-26 | 2021-01-26 | Connecting device and method for concrete column and steel beam of industrial factory building |
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| Publication Number | Publication Date |
|---|---|
| CN112796425A true CN112796425A (en) | 2021-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110105150.9A Pending CN112796425A (en) | 2021-01-26 | 2021-01-26 | Connecting device and method for concrete column and steel beam of industrial factory building |
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| CN (1) | CN112796425A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113638504A (en) * | 2021-07-26 | 2021-11-12 | 中国能源建设集团广东省电力设计研究院有限公司 | Rigid connection method and connection structure of roof solid-web steel beam and concrete column |
-
2021
- 2021-01-26 CN CN202110105150.9A patent/CN112796425A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113638504A (en) * | 2021-07-26 | 2021-11-12 | 中国能源建设集团广东省电力设计研究院有限公司 | Rigid connection method and connection structure of roof solid-web steel beam and concrete column |
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