CN114164933B - Concrete beam and steel pipe column connecting node structure and construction method - Google Patents
Concrete beam and steel pipe column connecting node structure and construction method Download PDFInfo
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- CN114164933B CN114164933B CN202111436987.8A CN202111436987A CN114164933B CN 114164933 B CN114164933 B CN 114164933B CN 202111436987 A CN202111436987 A CN 202111436987A CN 114164933 B CN114164933 B CN 114164933B
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 161
- 239000010959 steel Substances 0.000 title claims abstract description 161
- 239000004567 concrete Substances 0.000 title claims abstract description 37
- 238000010276 construction Methods 0.000 title claims abstract description 29
- 230000002787 reinforcement Effects 0.000 claims abstract description 13
- 238000003466 welding Methods 0.000 claims abstract description 8
- 239000011150 reinforced concrete Substances 0.000 claims description 7
- 238000006243 chemical reaction Methods 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000010079 rubber tapping Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
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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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- 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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- 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 discloses a concrete beam and steel pipe column connection node structure and a construction method, wherein the node structure comprises a steel pipe column and a ring beam steel reinforcement framework sleeved on the outer side of the steel pipe column, vertically arranged shear-resistant steel lantern rings are uniformly distributed on the outer side circumference of the steel pipe column, the vertical ends of L-shaped additional shear-resistant round steel are inserted into the shear-resistant steel lantern rings for welding and fixing, and the horizontal ends of the L-shaped additional shear-resistant round steel are radially distributed outwards by taking the axis of the steel pipe column as the center. The invention has the beneficial effects that: set up the anti steel lantern ring that shears through the steel-pipe column side, the additional anchor connected mode of round steel that shears of L type inserts afterwards, utilizes concrete ring roof beam as frame concrete beam and steel-pipe column connection conversion's node design structure, owing to need not be at steel-pipe column surface trompil, therefore the atress of steel-pipe column is unchangeable, does not occupy lower part interior space moreover, maneuverability is strong, and construction quality is reliable.
Description
Technical Field
The invention relates to the technical field of building structure construction, in particular to a concrete beam and steel pipe column connecting node structure and a construction method.
Background
As a novel steel-concrete composite structure, the steel-concrete column can give full play to the respective advantages of steel and concrete, so that the steel-concrete column has the characteristics of high bearing capacity, good ductility, excellent earthquake resistance, remarkable economic effect and the like, and is adopted by numerous super high-rise building projects in recent years. When the reinforced concrete floor is constructed, the connection node of the concrete beam and the steel pipe column is a key point of the stress of the whole structure, and the rationality of the node structural design greatly affects the engineering quality. The node practice of the current engineering is as follows: the beam steel bar through steel pipe tapping connection, the steel pipe welding section steel and the beam steel bar conversion connection, the bearing bracket type connection and the like have the advantages and disadvantages, and the defects that the stress is weakened after the steel pipe tapping, the on-site welding quality is difficult to guarantee, the bearing bracket occupies the lower indoor space, the use and the attractiveness are affected and the like can be generated.
Disclosure of Invention
Aiming at the problems, the invention provides a concrete beam and steel pipe column connection node point structure and a construction method, which mainly solve the problems of the background art.
In order to solve the technical problems, the invention provides a concrete beam and steel pipe column connection node structure in a first aspect, which comprises a steel pipe column and a ring beam steel reinforcement framework sleeved outside the steel pipe column, wherein vertically arranged shear-resistant steel lantern rings are uniformly distributed on the circumference of the outer side of the steel pipe column, the vertical ends of L-shaped additional shear-resistant round steel are inserted into the shear-resistant steel lantern rings for welding and fixing, and the horizontal ends of the L-shaped additional shear-resistant round steel are radially distributed outwards by taking the axis of the steel pipe column as the center.
The second aspect of the invention provides a construction method for a connection joint of a concrete beam and a steel pipe column, which comprises the following steps:
vertically mounting a steel pipe column with shear-resistant steel lantern rings uniformly distributed on the outer circumference on a reinforced concrete floor;
step two, sleeving a ring beam reinforcement framework from the outer side of the steel pipe column, installing and positioning to form a node;
step three, extending L-shaped additional shear-resistant round steel into the side face of the ring beam steel reinforcement framework, correspondingly inserting the L-shaped additional shear-resistant round steel into the shear-resistant steel sleeve welded on the side wall of the steel pipe column, adjusting the position of the L-shaped additional shear-resistant round steel in an outward radial direction by taking the axis of the steel pipe column as a center, then temporarily fixing the L-shaped additional shear-resistant round steel by using a binding wire, and finally welding and fixing the L-shaped additional shear-resistant round steel and the shear-resistant steel sleeve;
and fourthly, installing reinforced concrete frame beam reinforcements at the joints, and finishing construction of the connection joints of the concrete beams and the steel pipe columns.
The invention has the beneficial effects that: set up the anti steel lantern ring that shears through the steel-pipe column side, the additional anchor connected mode of round steel that shears of L type inserts afterwards, utilizes concrete ring roof beam as frame concrete beam and steel-pipe column connection conversion's node design structure, owing to need not be at steel-pipe column surface trompil, therefore the atress of steel-pipe column is unchangeable, does not occupy lower part interior space moreover, maneuverability is strong, and construction quality is reliable.
Drawings
Fig. 1 is a top view of a connection node structure of a concrete beam and a steel pipe column according to an embodiment of the present invention;
fig. 2 is a longitudinal sectional view schematically illustrating a concrete beam and steel pipe column connection node structure according to an embodiment of the present invention;
FIG. 3 is a top view of a node structure corresponding to the first step of the construction method disclosed in the second embodiment of the present invention;
FIG. 4 is a schematic longitudinal sectional view of a node structure corresponding to the first step of the construction method disclosed in the second embodiment of the present invention;
fig. 5 is a top view of a node structure corresponding to a second step of the construction method disclosed in the second embodiment of the present invention;
fig. 6 is a longitudinal sectional view schematically illustrating a node structure corresponding to a second step of the construction method disclosed in the second embodiment of the present invention;
fig. 7 is a top view of a node structure corresponding to the third step of the construction method disclosed in the second embodiment of the present invention;
fig. 8 is a longitudinal sectional view of a node structure corresponding to the third step of the construction method disclosed in the second embodiment of the present invention;
fig. 9 is a top view of a node structure corresponding to step four of the construction method disclosed in the second embodiment of the present invention;
fig. 10 is a longitudinal sectional view of a node structure corresponding to a fourth step of the construction method disclosed in the second embodiment of the present invention;
wherein: the steel pipe column comprises 1-a steel pipe column, 2-a ring beam steel reinforcement framework, 3-a shear-resistant steel lantern ring and 4-L-shaped additional shear-resistant round steel.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer and clearer, the following detailed description of the present invention is provided with reference to the accompanying drawings and detailed description. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not to be construed as limiting the invention. It should be further noted that, for the convenience of description, only some but not all of the relevant aspects of the present invention are shown in the drawings.
Example one
This embodiment has proposed a concrete beam and steel-pipe column connected node structure, as shown in fig. 1, 2, including steel-pipe column 1 to and the ring beam framework of steel reinforcement 2 of cover-mounted in the steel-pipe column 1 outside, the outside circumference equipartition of steel-pipe column 1 has the anti steel lantern ring 3 of cutting of vertical setting, the vertical end of the additional round steel 4 that shears of L type inserts in the anti steel lantern ring 3 of cutting carries out welded fastening, and the horizontal end of the additional round steel 4 that shears of L type uses the axle center of steel-pipe column 1 to be outside radial distribution as the center.
In this embodiment, it is preferable that the vertical end of the L-shaped additional shear round steel 4 is inserted from the upper end of the shear steel collar 3. At least two rows of the shear-resistant steel lantern rings 3 are arranged along the axis direction of the steel pipe column 1, and the row distance of every two rows of the shear-resistant steel lantern rings 3 is 250-350mm. The diameter of the steel pipe column 1 is less than or equal to 1600mm, and 12 shear steel sleeve rings 3 and L-shaped additional shear round steel 4 are uniformly arranged in each row. The steel pipe column 1 is larger than 1600mm, and 16 shear steel sleeve rings 3 and L-shaped additional shear round steel 4 in each row are uniformly arranged.
In this embodiment, set up anti shear steel lantern ring 3 through steel-pipe column 1 side, insert the additional round steel 4 anchor connected mode of shearing of L type after, utilize concrete ring roof beam as frame concrete beam and steel-pipe column connection conversion's node design structure, owing to need not be at steel-pipe column 1 surperficial trompil, consequently steel-pipe column 1's atress is unchangeable, does not occupy lower part indoor space moreover, maneuverability is strong, and construction quality is reliable.
Example two
A construction method for a connection node of a concrete beam and a steel pipe column comprises the following steps:
step one, as shown in fig. 3 and 4, vertically installing a steel pipe column 1 with shear-resistant steel lantern rings 3 uniformly distributed on the outer circumference on a reinforced concrete floor;
step two, as shown in fig. 5 and 6, sleeving the ring beam steel reinforcement framework 2 from the outer side of the steel pipe column 1, installing and positioning to form a node;
step three, as shown in fig. 7 and 8, extending L-shaped additional shear-resistant round steel 4 from the side surface of the ring beam steel reinforcement framework 2, correspondingly inserting the L-shaped additional shear-resistant round steel 4 into the shear-resistant steel sleeve ring 3 welded on the side wall of the steel pipe column 1, adjusting the position of the L-shaped additional shear-resistant round steel 4 radially outward by taking the axis of the steel pipe column 1 as the center, then temporarily fixing the L-shaped additional shear-resistant round steel 4 and the shear-resistant steel sleeve ring 3 by using a binding wire, and finally welding and fixing the L-shaped additional shear-resistant round steel 4 and the shear-resistant steel sleeve ring 3;
step four, as shown in fig. 9 and 10, the reinforced concrete frame beam steel bars are installed at the joints, and construction of the connection joints of the concrete beams and the steel pipe columns is completed.
The vertical end of the L-shaped additional shear round steel 4 is inserted from the upper end of the shear steel collar 3. At least two rows of the shear-resistant steel lantern rings 3 are arranged along the axis direction of the steel pipe column 1, and the row distance of every two rows of the shear-resistant steel lantern rings 3 is 250-350mm. The diameter of the steel pipe column 1 is less than or equal to 1600mm, and 12 shear steel sleeve rings 3 and L-shaped additional shear round steel 4 are uniformly arranged in each row. The steel pipe column 1 is larger than 1600mm, and 16 shear steel sleeve rings 3 and L-shaped additional shear round steel 4 in each row are uniformly arranged.
In the embodiment, the shear-resistant steel lantern ring 3 is arranged on the side face of the steel pipe column 1, the L-shaped additional shear-resistant round steel 4 is inserted into the steel pipe column, the concrete ring beam is used as a node design structure for connection and conversion between the framework concrete beam and the steel pipe column, and holes do not need to be formed in the surface of the steel pipe column 1, so that the stress of the steel pipe column 1 is unchanged, the lower indoor space is not occupied, the operability is high, and the construction quality is reliable.
Optionally, the procedure of welding the shear-resistant steel sleeve ring on the peripheral side of the steel pipe column 1 can be completed in a factory, so that the workload of a construction site is prevented from being increased.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention accordingly, and not to limit the protection scope of the present invention accordingly. All equivalent changes and modifications made according to the spirit of the present disclosure should be covered within the scope of the present disclosure.
Claims (10)
1. The utility model provides a concrete beam and steel-pipe column connected node structure, includes the steel-pipe column to and the cover is established the ring beam framework of steel-pipe column outside, its characterized in that, the outside circumference equipartition of steel-pipe column has the anti-shear steel lantern ring of vertical setting, and the vertical end of the additional round steel that shears of L type inserts carry out welded fastening in the anti-shear steel lantern ring, just the level end of the additional round steel that shears of L type with the axle center of steel-pipe column is the outside radial distribution of center.
2. The concrete beam and steel pipe column connection node structure of claim 1, wherein the vertical end of the L-shaped additional shear-resistant round steel is inserted from the upper end of the shear-resistant steel collar.
3. The concrete beam and steel pipe column connection node structure according to claim 1, wherein at least two rows of the shear-resistant steel lantern rings are installed along the axis direction of the steel pipe column, and the row pitch of each two rows of the shear-resistant steel lantern rings is 250-350mm.
4. The concrete beam and steel pipe column connection node structure of claim 3, wherein the steel pipe column is less than or equal to 1600mm, and 12 shear steel lantern rings and L-shaped additional shear round steel are uniformly installed in each row.
5. The concrete beam and steel pipe column connection node structure of claim 3, wherein the steel pipe column is larger than 1600mm, and 16 shear steel lantern rings and the L-shaped additional shear round steel are uniformly installed in each row.
6. A construction method for a connection node of a concrete beam and a steel pipe column is characterized by comprising the following steps:
vertically mounting a steel pipe column with shear-resistant steel lantern rings uniformly distributed on the outer circumference on a reinforced concrete floor;
step two, sleeving a ring beam reinforcement framework from the outer side of the steel pipe column, installing and positioning to form a node;
step three, extending L-shaped additional shear-resistant round steel into the ring beam steel reinforcement framework from the side face of the ring beam steel reinforcement framework, correspondingly radially adjusting the position of the L-shaped additional shear-resistant round steel outwards by taking the axis of the steel pipe column as a center, and then temporarily fixing the L-shaped additional shear-resistant round steel by using a binding wire, and finally welding and fixing the L-shaped additional shear-resistant round steel and the shear-resistant steel sleeve;
and fourthly, installing reinforced concrete frame beam reinforcements at the joints, and finishing construction of the connection joints of the concrete beams and the steel pipe columns.
7. The concrete beam and steel pipe column connecting joint construction method according to claim 6, wherein the vertical end of the L-shaped additional shear round steel is inserted from the upper end of the shear-resistant steel collar.
8. The concrete beam and steel pipe column connection node construction method according to claim 6, wherein at least two rows of the shear-resistant steel lantern rings are installed along the axis direction of the steel pipe column, and the row pitch of each two rows of the shear-resistant steel lantern rings is 250-350mm.
9. The construction method of the connection node of the concrete beam and the steel pipe column according to claim 8, wherein the steel pipe column is less than or equal to 1600mm, and 12 shear-resistant steel lantern rings and the L-shaped additional shear-resistant round steel are uniformly installed in each row.
10. The concrete beam and steel pipe column connection node construction method according to claim 8, wherein if the steel pipe column is larger than 1600mm, 16 shear-resistant steel lantern rings and 16L-shaped additional shear-resistant steel rods are uniformly arranged in each row.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111436987.8A CN114164933B (en) | 2021-11-29 | 2021-11-29 | Concrete beam and steel pipe column connecting node structure and construction method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111436987.8A CN114164933B (en) | 2021-11-29 | 2021-11-29 | Concrete beam and steel pipe column connecting node structure and construction method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114164933A CN114164933A (en) | 2022-03-11 |
| CN114164933B true CN114164933B (en) | 2023-04-07 |
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| CN202111436987.8A Active CN114164933B (en) | 2021-11-29 | 2021-11-29 | Concrete beam and steel pipe column connecting node structure and construction method |
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Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20000048303A (en) * | 1998-12-26 | 2000-07-25 | 정훈광 | apparatus and method for jointing a plurality of steel members using shear rings |
| CN101063319B (en) * | 2007-03-27 | 2010-12-15 | 广东省建筑设计研究院 | Node component used for connecting steel tube concrete column with building roof beam |
| CN206174144U (en) * | 2016-11-09 | 2017-05-17 | 南京金宸建筑设计有限公司 | A new connection node between ring beam-shear ring-steel corbel and steel pipe concrete column |
| CN110725405A (en) * | 2019-09-03 | 2020-01-24 | 中南大学 | Structure and construction method of rigid-connected joints of H-shaped steel beams with reinforced concrete-filled steel tubular columns |
| CN112900718B (en) * | 2021-01-19 | 2022-06-14 | 同济大学 | Beamless floor system node structure suitable for steel tube or steel tube concrete column |
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