CN113136953A - Connecting structure for connecting cantilever and structural column and construction method thereof - Google Patents
Connecting structure for connecting cantilever and structural column and construction method thereof Download PDFInfo
- Publication number
- CN113136953A CN113136953A CN202110451096.3A CN202110451096A CN113136953A CN 113136953 A CN113136953 A CN 113136953A CN 202110451096 A CN202110451096 A CN 202110451096A CN 113136953 A CN113136953 A CN 113136953A
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- Prior art keywords
- cantilever
- structural column
- support arm
- fixed
- end plate
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- 238000010276 construction Methods 0.000 title claims description 9
- 238000010030 laminating Methods 0.000 claims description 4
- 239000003292 glue Substances 0.000 claims description 3
- 229910000746 Structural steel Inorganic materials 0.000 claims 1
- 241001391944 Commicarpus scandens Species 0.000 abstract description 3
- 229910000831 Steel Inorganic materials 0.000 description 42
- 239000010959 steel Substances 0.000 description 42
- 230000035882 stress Effects 0.000 description 6
- 238000004873 anchoring Methods 0.000 description 3
- 208000013201 Stress fracture Diseases 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 239000004567 concrete Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000009435 building construction Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 210000001364 upper extremity Anatomy 0.000 description 1
Images
Classifications
-
- 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
-
- 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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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention provides a connecting structure for connecting a cantilever and a structural column, wherein a floor slab is formed around the structural column in a pouring manner, and the connecting structure comprises: a support arm secured to a side of the structural column; and the connecting piece is fixed on the top surface of the supporting arm and extends towards the direction close to the structural column, the bottom surface of the connecting piece is attached to and fixed on the floor slab, and the connecting piece is fixedly connected with the supporting arm through the cantilever, so that the cantilever is connected to the structural column. The cantilever structure solves the technical problem that the traditional cantilever structure is easy to break from the joint, and improves the stability of the cantilever.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a connecting structure for connecting a cantilever and a structural column and a construction method thereof.
Background
At present, steel galleries are additionally arranged on the outer sides of reinforced concrete structural columns or overhanging steel awnings and the like, a traditional construction method is that steel bars or anchor bolts are implanted into the structural columns, then cantilever steel beams are fixed on the side faces of the structural columns, the mode completely depends on the implanted steel bars or anchor bolts to bear load force, the connection between a cantilever and the structural columns is very easy to break, and therefore danger is possibly caused.
Disclosure of Invention
In view of the above circumstances, the present invention provides a connection structure for connecting a cantilever and a structural column, which solves the technical problem that a conventional cantilever structure is easily broken from a joint, and improves the stability of the cantilever.
In order to achieve the purpose, the invention adopts the technical scheme that:
a connection structure connecting a cantilever and a structural column, the structural column being cast around with a floor, the connection structure comprising:
a support arm secured to a side of the structural column; and
be fixed in the top surface of support arm is to being close to the connecting piece that the direction of structure post extends, just the bottom surface laminating of connecting piece is fixed in the floor, through the cantilever with support arm fixed connection makes the cantilever connect in the structure post.
The invention further improves the connecting structure for connecting the cantilever and the structural column, and the connecting structure also comprises an L-shaped piece with an L-shaped section, wherein one folded edge of the L-shaped piece is fixed with the structural column, and the other folded edge is attached to the top surface of the connecting piece, so that the connecting piece is clamped between the floor slab and the L-shaped piece.
The invention further improves the connecting structure for connecting the cantilever and the structural column, wherein the L-shaped piece is angle steel.
The connecting structure for connecting the cantilever and the structural column further comprises an end plate fixed on the side surface of the structural column, and the end part of the supporting arm is fixedly connected with the end plate.
The connecting structure for connecting the cantilever and the structural column is further improved in that the connecting structure further comprises a baffle fixed at the end part of the supporting arm, and the baffle is attached to the end plate and fixedly connected with the end plate through a plurality of anchor bolts.
The connection structure for connecting the cantilever and the structural column is further improved in that the end plate is fixed on the side surface of the structural column through a plurality of anchor bolts, and structural glue is filled between the end plate and the structural column.
The connecting structure for connecting the cantilever and the structural column is further improved in that the connecting structure further comprises a through hole which is formed in the connecting piece and matched with the structural column; the structure post passes through the through-hole passes the connecting piece, just the lateral part of structure post with the border laminating of through-hole.
The connecting structure for connecting the cantilever and the structural column is further improved in that the structural column is a box-shaped column, and the through hole is matched with the box-shaped column to form a rectangle.
A further improvement of the connection structure of the present invention for connecting the cantilever and the structural column is that the cross-sectional area of the portion of the support arm close to the end plate is larger than the cross-sectional area of the portion of the support arm remote from the end plate.
The connection structure of the invention for connecting the cantilever and the structural column is further improved in that the support arm is made of deformed steel; the structure is still including being fixed in the baffle at deformed steel's both ends, just the baffle with the end plate is fixed mutually through a plurality of crab-bolts.
A construction method of a connecting structure for connecting a cantilever and a structural column includes the following steps:
providing the support arm, and fixing the end part of the support arm to the side surface of the structure column;
providing the connecting piece, fixing the connecting piece on the top surface of the supporting arm, and attaching and fixing the bottom surface of the connecting piece on the floor slab;
fixedly connecting the cantilever to the support arm such that the cantilever is connected to the structural column.
According to the connecting structure for connecting the cantilever and the structural column, the structural column is arranged in a surrounding manner through the connecting piece, and the connecting piece is connected with the supporting arm and the structural column and fixed on the floor slab, so that the stress of the supporting arm is dispersed, the problem that the traditional construction completely depends on the anchor bolt for supporting is solved, the cantilever is prevented from falling off due to stress fracture or aging of the anchor bolt, and the stability of the cantilever is improved; the connecting piece is clamped between the floor and the L-shaped piece through the L-shaped piece which is simultaneously connected with the connecting piece and the structural column, so that the connecting piece is prevented from being disconnected with the floor due to overlarge stress; through the end plate that is fixed in the side of structure post to the support arm is installed in the structure post, and when this end plate prevented support arm and structure post lug connection, the structure post directly received the load power and leads to the structure post to warp or the junction is not hard up, thereby influences the stability of structure.
Drawings
Fig. 1 is a top view of the connection structure of the present invention connecting a cantilever and a structural column.
Fig. 2 is a schematic sectional view taken along line a-a in fig. 1.
Fig. 3 is a schematic sectional view of B-B in fig. 1.
The correspondence of reference numerals to components is as follows: structural column 1, crossbeam 2, support arm 3, upper limb 31, web 32, bottom flange 33, connecting piece 4, first steel sheet 41, second steel sheet 42, third steel sheet 43, L type spare 5, crab-bolt 6, end plate 7, floor 8.
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 connection structure for connecting a cantilever and a structural column, wherein a floor 8 is formed around the structural column 1 by casting, and the connection structure comprises: a support arm 3 fixed to the side of the structural column 1; and be fixed in the top surface of support arm 3 and to the connecting piece 4 that extends near the direction of structure post 1, and the bottom surface laminating of connecting piece 4 is fixed in floor 8, through cantilever and support arm 8 fixed connection for the cantilever is connected in structure post 1.
The connecting structure for connecting the cantilever and the structural column is fixed on the structural column 1 and the floor slab 8 through the connecting piece 4 and the supporting arm 3, and the cantilever is further fixed on the supporting arm 3, so that the stress of the cantilever is dispersed, the problem that the traditional construction completely depends on the anchor bolt 6 for supporting is solved, the cantilever is prevented from falling off due to stress fracture or aging of the anchor bolt 6, and the stability of the cantilever is improved.
Preferably, the floor 8 is provided with intersecting beams 2 at the bottom thereof and the connectors 4 are secured to the floor 8 at the intersections of the structural columns 1 and beams in such a manner as to maintain the stability of the floor under stress and thus the stability of the building structure.
A preferred embodiment of the connection structure for connecting the cantilever and the structural column of the present invention, as shown in fig. 1 and 2, further comprises an L-shaped member 5 having an L-shaped cross section, wherein one folded edge of the L-shaped member 5 is fixed to the structural column 1, and the other folded edge is attached to the top surface of the connecting member 4, so that the connecting member 4 is clamped between the floor slab 8 and the L-shaped member 5.
Preferably, the L-shaped member 5 is an angle steel, and the angle steel 5 is a right-angle steel.
Furthermore, the structure column also comprises an end plate 7 fixed on the side surface of the structure column 1, and the end part of the supporting arm 3 is fixedly connected with the end plate 7.
Specifically, the support device further comprises a baffle fixed at the end part of the support arm 3, and the baffle is attached to the end plate 7 and is fixedly connected with the end plate through a plurality of anchor bolts 6.
Further, as shown in fig. 3, an end plate 7 is fixed to the side of the structural column 1 by a plurality of anchor bolts 6, and structural glue is filled between the end plate 7 and the structural column 1.
Preferably, as shown in fig. 3, the end plate 7 has a size larger than the size of the side of the support arm 3 close to the structural column 1.
Preferably, the support arm 3 is made of deformed steel.
Furthermore, the structure also comprises a through hole which is formed on the connecting piece 4 and is matched with the structure column 1; the structural column 1 passes through the connecting piece 4 through a through hole, and the side part of the structural column 1 is attached to the edge of the through hole.
Further, as shown in fig. 2 and 3, the structural column 1 is a box-type steel column, and the through hole is matched with the box-type column to form a rectangle.
Preferably, as shown in fig. 1, the connecting member 4 includes two first steel plates 41 for connecting the supporting arm 3 and the structural column 1, a second steel plate 42 connected to the first steel plate 41 and attached to the opposite side of the structural column 1, and a third steel plate 43 connected to the two second steel plates 42 and attached to the side of the structural column 1 away from the supporting arm 3, wherein the first steel plate 41, the second steel plate 42, and the third steel plate 43 enclose to form a through hole for connecting the structural column 1.
Further, as shown in fig. 2, the cross-sectional area of the portion of the support arm 3 attached to the end plate 7 is larger than the cross-sectional area of the portion of the support arm 3 away from the end plate 7.
Preferably, as shown in fig. 2, the top surface of the support arm 3 is a horizontal surface, and the bottom surface of the support arm 3 is inclined obliquely downward from the side far from the structural column to the side near the structural column 1, and this connection mode is convenient for improving the stability of the support arm 3.
The concrete embodiment of the connecting structure for connecting the cantilever and the structural column is that an end plate 7 is fixed on the side surface of the structural column 1 through a plurality of anchor bolts 6; anchoring the side surface with larger area of the supporting arm 3 to the end plate 7 and the structural column 1 through a plurality of anchor bolts 6; two adjacent side parts of two first steel plates 41 of a connecting piece 4 are welded and fixed with the side surface of a structural column 1 close to a supporting arm 3, two adjacent side parts of a second steel plate 42 are welded and fixed with the first steel plates 41 and the structural column 1, and the end parts of a third steel plate 43 and the two second steel plates 42 far away from the first steel plates 41 are welded and fixed with the side surface of the structural column 1, the two first steel plates 41, the two second steel plates 42 and the third steel plate 43 are enclosed to form a rectangular through hole, the bottom surface of the connecting piece 4 is fixedly attached to a floor slab 8 through an anchor bolt 6, and the side parts of the connecting piece 4 are welded and fixed with the supporting arm 3; and (3) fixing one folding edge of the L-shaped piece 5 to the structural column 1 through a plurality of anchor bolts 6, jointing and welding the other folding edge to the top surface of the connecting piece 4, and then fixedly connecting the cantilever and the supporting arm to complete the installation of the cantilever.
A construction method of a connecting structure for connecting a cantilever and a structural column includes the following steps: providing a support arm 3, fixing the end of the support arm 3 on the side of the structural column 1; providing a connecting piece 4, fixing the connecting piece 4 on the top surface of the supporting arm 3, and attaching and fixing the bottom surface of the connecting piece 4 on the floor slab 8; the cantilever is fixedly connected to the support arm 3 so that the cantilever is connected to the structural column 1.
The concrete embodiment of the connecting structure for connecting the cantilever and the structural column is that an end plate 7 is fixed on the side surface of the structural column 1 through a plurality of anchor bolts 6; anchoring the side surface with larger area of the supporting arm 3 to the end plate 7 and the structural column 1 through a plurality of anchor bolts 6; two adjacent side parts of two first steel plates 41 of a connecting piece 4 are welded and fixed with the side surface of a structural column 1 close to a supporting arm 3, two adjacent side parts of a second steel plate 42 are welded and fixed with the first steel plates 41 and the structural column 1, and the end parts of a third steel plate 43 and the two second steel plates 42 far away from the first steel plates 41 are welded and fixed with the side surface of the structural column 1, the two first steel plates 41, the two second steel plates 42 and the third steel plate 43 are enclosed to form a rectangular through hole, the bottom surface of the connecting piece 4 is fixedly attached to a floor slab 8 through an anchor bolt 6, and the side parts of the connecting piece 4 are welded and fixed with the supporting arm 3; and (3) fixing one folding edge of the L-shaped piece 5 to the structural column 1 through a plurality of anchor bolts 6, jointing and welding the other folding edge to the top surface of the connecting piece 4, and then fixedly connecting the cantilever and the supporting arm to complete the installation of the cantilever.
According to the connecting structure for connecting the cantilever and the structural column, the connecting piece 4 is additionally arranged to be fixed with the opposite side part of the cantilever, and meanwhile, the connecting piece 4 surrounds the structural column and is fixed with the structural column 1, so that the stress is dispersed, the traditional cantilever structure is prevented from being supported only by the anchoring acting force of the cantilever fixed with the side surface of the structural column, the technical problems that the joint of the cantilever and the structural column is easy to be subjected to overlarge stress and break and the joint is easy to break are solved, and the stability of the cantilever is improved.
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 (10)
1. The utility model provides a connection structure of connecting cantilever and structure post, pour around the structure post and be formed with the floor, its characterized in that, connection structure includes:
a support arm secured to a side of the structural column; and
be fixed in the top surface of support arm is to being close to the connecting piece that the direction of structure post extends, just the bottom surface laminating of connecting piece is fixed in the floor, through the cantilever with support arm fixed connection makes the cantilever connect in the structure post.
2. The structure of claim 1, further comprising an L-shaped member having an L-shaped cross-section, wherein one edge of the L-shaped member is fixed to the structural column and the other edge of the L-shaped member is attached to the top surface of the connecting member, so that the connecting member is clamped between the floor and the L-shaped member.
3. The connection according to claim 2, wherein the L-shaped member is an angle iron.
4. The connecting structure of claim 1, further comprising an end plate fixed to a side of the structural column, wherein an end of the support arm is fixedly connected to the end plate.
5. A connection structure for connecting a cantilever and a structural column according to claim 4, further comprising a baffle fixed to the end of the supporting arm, and the baffle is fitted to the end plate and fixedly connected thereto by a plurality of anchor bolts.
6. The connecting structure of connecting cantilever and structural column according to claim 4, wherein the end plate is fixed to the side of the structural column by a plurality of anchor bolts, and structural glue is filled between the end plate and the structural column.
7. The connecting structure for connecting a cantilever and a structural column according to claim 1, further comprising a through hole formed in the connecting member and matching with the structural column;
the structure post passes through the through-hole passes the connecting piece, just the lateral part of structure post with the border of through-hole is laminated mutually.
8. A connection according to claim 7, wherein the structural column is a box column and the through-hole is rectangular to match the box column.
9. The connecting structure of connecting a cantilever and a structural column according to claim 1, wherein the cross-sectional area of the portion of the support arm near the end plate is larger than the cross-sectional area of the portion of the support arm far from the end plate.
10. A construction method of a connecting structure of a cantilever and a structural column according to claim 1, comprising the steps of:
providing the support arm, and fixing the end part of the support arm to the side surface of the structure column;
providing the connecting piece, fixing the connecting piece on the top surface of the supporting arm, and attaching and fixing the bottom surface of the connecting piece on the floor slab;
fixedly connecting the cantilever to the support arm such that the cantilever is connected to the structural column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110451096.3A CN113136953A (en) | 2021-04-26 | 2021-04-26 | Connecting structure for connecting cantilever and structural column and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110451096.3A CN113136953A (en) | 2021-04-26 | 2021-04-26 | Connecting structure for connecting cantilever and structural column and construction method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113136953A true CN113136953A (en) | 2021-07-20 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110451096.3A Pending CN113136953A (en) | 2021-04-26 | 2021-04-26 | Connecting structure for connecting cantilever and structural column and construction method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN113136953A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191103586A (en) * | 1911-02-13 | 1912-05-13 | Robert Thomson | Improvements in Column and Floor or Beam Connections. |
| KR100856723B1 (en) * | 2007-03-28 | 2008-09-04 | 박무용 | System and method for underground downward construction using cantilever type steel frame |
| CN107386463A (en) * | 2017-08-30 | 2017-11-24 | 天津大学 | A kind of lower logical upper link point |
| CN109853729A (en) * | 2017-11-30 | 2019-06-07 | 中国二十冶集团有限公司 | Reinforcing bar processing unit and its application method for pattern foundation pit supporting structure column and floor node |
| CN208981821U (en) * | 2018-10-08 | 2019-06-14 | 央固工程科技（上海）有限公司 | A kind of connection structure of newly-increased Long-span Cantilever girder steel and former concrete column |
| CN110106985A (en) * | 2019-05-23 | 2019-08-09 | 福州大学 | A kind of prefabricated assembled SRC column-girder steel cross combined joint |
| CN110593409A (en) * | 2019-10-08 | 2019-12-20 | 西安建筑科技大学 | Full-life-cycle detachable and replaceable frame structure system and installation and replacement method |
| CN211548054U (en) * | 2019-12-30 | 2020-09-22 | 北京京盛泰华金属结构有限公司 | Steel construction cantilever beam column connected node |
-
2021
- 2021-04-26 CN CN202110451096.3A patent/CN113136953A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191103586A (en) * | 1911-02-13 | 1912-05-13 | Robert Thomson | Improvements in Column and Floor or Beam Connections. |
| KR100856723B1 (en) * | 2007-03-28 | 2008-09-04 | 박무용 | System and method for underground downward construction using cantilever type steel frame |
| CN107386463A (en) * | 2017-08-30 | 2017-11-24 | 天津大学 | A kind of lower logical upper link point |
| CN109853729A (en) * | 2017-11-30 | 2019-06-07 | 中国二十冶集团有限公司 | Reinforcing bar processing unit and its application method for pattern foundation pit supporting structure column and floor node |
| CN208981821U (en) * | 2018-10-08 | 2019-06-14 | 央固工程科技（上海）有限公司 | A kind of connection structure of newly-increased Long-span Cantilever girder steel and former concrete column |
| CN110106985A (en) * | 2019-05-23 | 2019-08-09 | 福州大学 | A kind of prefabricated assembled SRC column-girder steel cross combined joint |
| CN110593409A (en) * | 2019-10-08 | 2019-12-20 | 西安建筑科技大学 | Full-life-cycle detachable and replaceable frame structure system and installation and replacement method |
| CN211548054U (en) * | 2019-12-30 | 2020-09-22 | 北京京盛泰华金属结构有限公司 | Steel construction cantilever beam column connected node |
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Application publication date: 20210720 |