CN112095797A - Connecting structure and connecting method for oblique-crossing waist bars of different-direction steel beams - Google Patents
Connecting structure and connecting method for oblique-crossing waist bars of different-direction steel beams Download PDFInfo
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- CN112095797A CN112095797A CN202010902079.2A CN202010902079A CN112095797A CN 112095797 A CN112095797 A CN 112095797A CN 202010902079 A CN202010902079 A CN 202010902079A CN 112095797 A CN112095797 A CN 112095797A
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- secondary beam
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- wale
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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
- E04B1/30—Structures 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
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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
- E04B1/185—Connections not covered by E04B1/21 and E04B1/2403, e.g. connections between structural parts of different material
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- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention provides a different-direction steel beam oblique crossing waist rib connecting structure and a connecting method thereof, wherein the connecting structure comprises main beams and secondary beams which are intersected along different directions, main beam waist ribs arranged in parallel to the main beams are disconnected at the joints of the main beam waist ribs and the secondary beams and are fixed on the two corresponding sides of the secondary beams through connecting plates, and secondary beam waist ribs arranged in parallel to the secondary beams are disconnected at the joints of the main beams and are bent and anchored on the two corresponding sides of the main beams. The invention solves the anchoring problem of the main beam waist rib and the secondary beam waist rib when the section steel beams in different directions intersect, and avoids overlarge hole opening rate of the section steel beam web.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a connecting structure and a connecting method for oblique-crossing waist bars of steel beams in different directions.
Background
At present, in the steel reinforced concrete structure, a plurality of steel section beams are inclined to one another, so that the waist bars of the steel section beams are affected by the crossed beam webs, and in the prior art, holes are adopted to penetrate the bars. However, when the oblique crossing angle is large, the steel bar cannot pass through the ordinary open hole, and the open hole can only be enlarged. Generally, the bending moment is very large at the crossed part of the section steel beam, and the section steel beam needs to be reinforced after being perforated, so that material waste is caused when the stress of the section steel beam is influenced.
When the traditional hole is opened, the hole diameter is generally 4 mm-6 mm larger than the diameter of the steel bar, namely the hole diameter of the steel bar with the diameter of phi 25 is 29 mm-32 mm. When the wall thickness of the steel beam web is 20mm and the oblique crossing angle of the steel beam exceeds 30 degrees, the size of the reserved hole is at least an elliptical hole with a long axis not less than 60mm and a short axis not less than 35mm, the aperture ratio is 2.4 times of that of vertical crossing, the stress of the section steel beam joint is concentrated, the stress performance of the section steel is affected by overlarge holes, and the periphery of a strip-shaped hole of the steel beam web is reinforced under the common condition. In addition, when the shaped steel roof beam waist muscle was perforated, the reinforcing bar construction degree of difficulty itself was big, and to opening the precision requirement very high, in case the error appears, often need carry out on-the-spot file reaming, greatly influences the efficiency of construction.
Disclosure of Invention
In view of the above circumstances, the present invention provides a connecting structure for oblique-crossing wales of steel beams in different directions and a connecting method thereof, which solve the problems of the existing steel beams that the structure of the steel beam is damaged and the material is wasted due to the need of enlarging holes on the crossed beams when the steel beams are obliquely crossed at a large angle.
In order to achieve the purpose, the invention adopts the technical scheme that: the utility model provides a not equidirectional shaped steel roof beam skew waist muscle connection structure, include along equidirectional and crossing girder and secondary beam, be on a parallel with the girder main beam waist muscle that the girder set up with the disconnection of secondary beam handing-over department and fix through the connecting plate the both sides that correspond of secondary beam, be on a parallel with the secondary beam waist muscle that the secondary beam set up with girder handing-over department disconnection and curved anchor in the both sides that correspond of girder. In the embodiment of the invention, the main beam is made of I-shaped steel, and the waist rib of the main beam is parallel to the web plate of the main beam.
In the embodiment of the invention, the secondary beam is I-shaped steel, and the waist rib of the secondary beam is parallel to the web plate of the secondary beam.
In the embodiment of the invention, the connecting plate is obliquely arranged relative to the secondary beam.
In the embodiment of the invention, a plurality of connecting plates are arranged at intervals along the height direction of each secondary beam.
In the embodiment of the invention, the secondary beam waist rib and the main beam are fixed in a spot welding manner.
The invention also provides a method for connecting the oblique-crossing waist bars of the section steel beams in different directions, which is used for connecting the waist bars of the main beams and the secondary beams which are crossed along different directions, and comprises the following steps:
arranging a main beam waist rib in parallel to a main beam, disconnecting the main beam waist rib at the joint of the main beam and the secondary beam and fixing the main beam waist rib on the corresponding two sides of the secondary beam through a connecting plate;
and arranging the secondary beam waist ribs in parallel to the secondary beam, disconnecting the secondary beam waist ribs at the joint of the main beam and the secondary beam, and fixing the secondary beam waist ribs on the two corresponding sides of the main beam through bent anchors.
Due to the adoption of the technical scheme, the invention has the following beneficial effects:
(1) the aperture ratio can be bigger when the girder steel oblique crossing for current waist muscle method of punching, generally must carry out the steel sheet reinforcement to cause the steel volume to increase, this application has avoided trompil to supply the waist muscle to pass on girder or secondary beam, thereby need not to carry out the steel sheet reinforcement to aperture department, has saved the steel sheet quantity, has also saved the manual work.
(2) The invention solves the anchoring problem of the main beam waist rib and the secondary beam waist rib when the section steel beams in different directions intersect, and avoids overlarge hole opening rate of the section steel beam web.
Drawings
FIG. 1 is a schematic view of a three-dimensional structure of an oblique-crossing wale connecting structure of a steel beam in different directions according to the present invention.
FIG. 2 is a schematic plan view of the cross-section wale connecting structure of the steel beams in different directions according to the present invention.
Fig. 3 is a partially enlarged schematic view of the oblique crossing position of the main beam and the secondary beam in fig. 2.
The correspondence of reference numerals to components is as follows:
a main beam 1; a first web 11; a main beam waist rib 12; a secondary beam 2; a second web 21; a connecting plate 22; the secondary beam wale 23.
Detailed Description
To facilitate an understanding of the present invention, the following description is made in conjunction with the accompanying drawings and examples.
Referring to fig. 1 to 3, the present invention provides a diagonal wale connection structure for steel beams in different directions, including a main beam 1 and a secondary beam 2 intersecting with each other along different directions, a main beam wale 12 parallel to the main beam 1 is disconnected at a junction with the secondary beam 2 and fixed at two corresponding sides of the secondary beam 2 through a connection plate 22, and a secondary beam wale 23 parallel to the secondary beam 2 is disconnected at a junction with the main beam 1 and is bent and anchored at two corresponding sides of the main beam 1.
In the embodiment of the invention, the main beam 1 is an i-steel and comprises a first upper flange plate and a first lower flange plate which are oppositely arranged, a first web plate 11 is fixed between the first upper flange plate and the first lower flange plate, and the main beam waist rib 12 is parallel to the first web plate 11.
In the embodiment of the invention, the secondary beams 2 are i-shaped steel, each secondary beam 2 comprises a second upper flange plate and a second lower flange plate which are oppositely arranged, a second web plate 21 is fixed between the second upper flange plate and the second lower flange plate, and the secondary beam waist rib 23 is parallel to the second web plate 21.
In the embodiment of the present invention, the connecting plate 22 is disposed obliquely with respect to the secondary beam 2, specifically, the connecting plate 22 is disposed obliquely with respect to the second web 21, the obliquely disposed connecting plate 22 can be better overlapped with the main beam wale 12, and preferably, the connecting plate 22 is fixed on the second web 21 in parallel with the main beam wale 11.
In the embodiment of the present invention, a plurality of the connecting plates 22 are arranged at intervals along the height direction of the secondary beam 2, specifically, a plurality of the connecting plates 22 are arranged at intervals along the height direction of the second web 21, and the plurality of the connecting plates 22 are respectively fixed with the plurality of main beam waist ribs 12, so as to increase the structural stability between the steel beam and the steel reinforced concrete structure; specifically, the connecting plate 22 is a steel plate with a thickness of 150mm by 10mm, and the connecting plate 22 and the second web 21 are fixed by gas shielded welding through full penetration welding.
In the embodiment of the invention, the secondary beam waist rib 23 and the main beam 1 are fixed by spot welding, and specifically, the secondary beam waist rib 23 and the first web 11 are fixed by spot welding. Further, the length of the bent anchor at the two ends of the secondary beam wale 23 is 15 times of the diameter of the secondary beam wale 23.
In the embodiment of the invention, the section of the secondary beam 2 obliquely crossed with the main beam 1 is matched and butted with the joint surface of the main beam, and the cutting of the secondary beam 2 is completed when the secondary beam 2 is prefabricated in a factory.
In the embodiment of the present invention, the first upper flange plate of the main beam 1 is flush with the second upper flange plate of the secondary beam 2, and the first lower flange plate of the main beam 1 is flush with the second lower flange plate of the secondary beam 2; the size and positional relationship of the primary beam 1 and the secondary beam 2 can be adjusted by those skilled in the art according to the design requirements and specification requirements, so that the first upper flange plate is in non-flush relationship with the second upper flange plate, and the second upper flange plate is in non-flush relationship with the second lower flange plate.
According to the invention, the main beam waist rib 12 is fixed with the connecting plate 22 on the secondary beam 2, so that a hole is prevented from being formed in the secondary beam 2 for the main beam waist rib 12 to pass through, the bent anchor at the end part of the secondary beam waist rib 23 is fixed with the first web plate 11, so that the hole is prevented from being formed in the main beam 1 for the secondary beam waist rib 23 to pass through, when the main beam 1 is obliquely crossed with the secondary beam 2, the main beam waist rib 12 and the secondary beam waist rib 23 can be positioned without increasing the hole or forming the hole, the hole forming of the main beam 1 and the secondary beam 2 and the reinforcing of the steel plate after the hole forming are also avoided, the labor is saved, the using amount of the steel plate is saved, and the construction cost is reduced.
The present invention has been described in detail with reference to the structure for connecting the oblique-crossing wales of the steel beams in different directions, and the following description describes a connecting method thereof, including the steps of:
arranging a main beam waist rib 12 in parallel with a main beam 1, disconnecting the main beam waist rib 12 at the joint of the main beam 1 and the secondary beam 2, and fixing the main beam waist rib 12 on the corresponding two sides of the secondary beam 2 through a connecting plate 22;
and arranging the secondary beam waist rib 23 in parallel to the secondary beam 2, disconnecting the secondary beam waist rib 23 at the joint of the main beam 1 and the secondary beam 2, and fixing the secondary beam waist rib 23 at the two corresponding sides of the main beam 1 through bent anchors.
While the present invention has been described in detail and with reference to the accompanying drawings and examples, it will be apparent to one skilled in the art that various changes and modifications can be made therein. Therefore, certain details of the embodiments are not to be interpreted as limiting, and the scope of the invention is to be determined by the appended claims.
Claims (7)
1. The utility model provides a equidirectional shaped steel roof beam skew waist muscle connection structure, its characterized in that includes along equidirectional and crossing girder and secondary beam, the girder waist muscle that is on a parallel with the girder setting breaks away and fixes through the connecting plate with secondary beam handing-over department the both sides that correspond of secondary beam, the secondary beam waist muscle that is on a parallel with the secondary beam setting with girder handing-over department disconnection and curved anchor in the both sides that correspond of girder.
2. The different direction steel beam skew wale connection structure according to claim 1, wherein the main beam is an i-beam, and the main beam wale is parallel to the web of the main beam.
3. The different direction steel beam skew wale connecting structure according to claim 1, wherein the secondary beam is an i-beam, and the secondary beam wale is parallel to the web of the secondary beam.
4. The oblique-crossing wale connecting structure of steel beams in different directions according to claim 1, wherein the connecting plate is disposed obliquely with respect to the secondary beam.
5. The oblique-crossing wale connecting structure of steel beams in different directions according to claim 1, wherein a plurality of the connecting plates are provided at intervals in a height direction of each of the sub-beams.
6. The oblique-crossing wale connecting structure of steel beams in different directions according to claim 1, wherein the minor beam wale is fixed to the major beam by spot welding.
7. The method for connecting the oblique-crossing waist ribs of the section steel beams in different directions is characterized by being used for connecting the waist ribs of main beams and secondary beams which are crossed along different directions, and comprises the following steps:
arranging a main beam waist rib in parallel to a main beam, disconnecting the main beam waist rib at the joint of the main beam and the secondary beam and fixing the main beam waist rib on the corresponding two sides of the secondary beam through a connecting plate;
and arranging the secondary beam waist ribs in parallel to the secondary beam, disconnecting the secondary beam waist ribs at the joint of the main beam and the secondary beam, and fixing the secondary beam waist ribs on the two corresponding sides of the main beam through bent anchors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010902079.2A CN112095797A (en) | 2020-09-01 | 2020-09-01 | Connecting structure and connecting method for oblique-crossing waist bars of different-direction steel beams |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010902079.2A CN112095797A (en) | 2020-09-01 | 2020-09-01 | Connecting structure and connecting method for oblique-crossing waist bars of different-direction steel beams |
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| CN112095797A true CN112095797A (en) | 2020-12-18 |
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| CN202010902079.2A Pending CN112095797A (en) | 2020-09-01 | 2020-09-01 | Connecting structure and connecting method for oblique-crossing waist bars of different-direction steel beams |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113293928A (en) * | 2021-05-25 | 2021-08-24 | 中铁第五勘察设计院集团有限公司 | Oblique crossing beam structure and building applying same |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100558996C (en) * | 2007-03-16 | 2009-11-11 | 北京城建设计研究总院有限责任公司 | Steel reinforced concrete frame-steel supporting structure section-changeable conversion node |
| CN104294916A (en) * | 2014-10-20 | 2015-01-21 | 西安建筑科技大学 | Steel reinforced concrete column-steel reinforced concrete inclined beam T-shaped joint |
| CN107574929A (en) * | 2017-09-08 | 2018-01-12 | 共享钢构有限责任公司 | Girder with rolled steel section en cased in concrete spinous process of the seventh cervical vertebra frame node and joint construction method |
| CN208363298U (en) * | 2018-05-10 | 2019-01-11 | 河南工业大学 | Steel reinforced concrete primary and secondary beam connecting node and fashioned iron primary and secondary beam connecting node |
| CN211037273U (en) * | 2019-10-18 | 2020-07-17 | 山东建科信息技术有限公司 | Steel joint is connected to assembled concrete structure primary and secondary roof beam |
-
2020
- 2020-09-01 CN CN202010902079.2A patent/CN112095797A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100558996C (en) * | 2007-03-16 | 2009-11-11 | 北京城建设计研究总院有限责任公司 | Steel reinforced concrete frame-steel supporting structure section-changeable conversion node |
| CN104294916A (en) * | 2014-10-20 | 2015-01-21 | 西安建筑科技大学 | Steel reinforced concrete column-steel reinforced concrete inclined beam T-shaped joint |
| CN107574929A (en) * | 2017-09-08 | 2018-01-12 | 共享钢构有限责任公司 | Girder with rolled steel section en cased in concrete spinous process of the seventh cervical vertebra frame node and joint construction method |
| CN208363298U (en) * | 2018-05-10 | 2019-01-11 | 河南工业大学 | Steel reinforced concrete primary and secondary beam connecting node and fashioned iron primary and secondary beam connecting node |
| CN211037273U (en) * | 2019-10-18 | 2020-07-17 | 山东建科信息技术有限公司 | Steel joint is connected to assembled concrete structure primary and secondary roof beam |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113293928A (en) * | 2021-05-25 | 2021-08-24 | 中铁第五勘察设计院集团有限公司 | Oblique crossing beam structure and building applying same |
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Application publication date: 20201218 |
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