CN112095796A - Node structure with multidirectional beams intersected with steel concrete column and construction method thereof - Google Patents
Node structure with multidirectional beams intersected with steel concrete column and construction method thereof Download PDFInfo
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- CN112095796A CN112095796A CN202010876374.5A CN202010876374A CN112095796A CN 112095796 A CN112095796 A CN 112095796A CN 202010876374 A CN202010876374 A CN 202010876374A CN 112095796 A CN112095796 A CN 112095796A
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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)
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- Reinforcement Elements For Buildings (AREA)
Abstract
The invention discloses a node structure of a multi-direction beam intersected with a profile steel concrete column and a construction method thereof. According to the invention, a circle of ring beam is additionally arranged on the periphery of the section steel column, and the shear-resistant corbels are additionally welded in the center line direction of the frame beam, so that the traditional mode of welding the connecting plates and the connecting sleeves on the periphery of the section steel column and connecting the frame beam with the steel bars is replaced. The section size of the ring beam and the number of the reinforcing bars in the upper row and the lower row of the crossed frame beams are set, so that the main reinforcing bars in the upper row and the lower row of the frame beams have enough anchoring length in the ring beam, and the overhanging shearing-resistant corbel can also play roles in enhancing the shearing resistance of the connecting node of the section steel column and the frame beams and improving the overall stability of the node.
Description
Technical Field
The invention relates to the technical field of building construction, in particular to a node structure with multidirectional beams intersected with a profile steel concrete column and a construction method thereof.
Background
Aiming at the joint connection of the section steel column and the multidirectional frame beam reinforcing steel bar, connecting plates are required to be welded on the periphery of the section steel column, and connecting sleeves are required to be connected with the frame beam reinforcing steel bar, but the beam bottom reinforcing steel bar and the lower connecting plate are inconvenient to weld, when high and low span beams simultaneously intersect with the same section steel column, the welding construction of the beam reinforcing steel bar and the section steel column is inconvenient, the section steel column is easy to be damaged during the field welding construction, and the quality safety risk of reducing the structural bearing capacity exists,
disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a node structure of a multi-direction beam intersected with a section steel concrete column and a construction method thereof, and solves the problems that the nodes of the multi-direction frame beam intersected with the section steel column are difficult to connect and have low quality.
In order to achieve the technical effect, the invention provides a node structure with multidirectional beams intersecting a section steel concrete column, which comprises a ring beam surrounding a section steel column and connected to all multidirectional frame beams, wherein the ring beam comprises an annular steel reinforcement cage connected to vertical steel bars outside the section steel column and an annular concrete body integrally cast with the section steel column and the multidirectional frame beams, and main ribs of the multidirectional frame beams are connected to the annular steel reinforcement cage.
As an embodiment of the node structure of the present invention, the multidirectional frame beams include a plurality of frame beams whose elevations are not completely uniform.
As an embodiment of the node structure of the invention, a plurality of shear-resistant corbels anchored into a plurality of frame beams in one-to-one correspondence are arranged around the section steel column, and the shear-resistant corbels penetrate through the annular reinforcement cage.
As an embodiment of the inventive node structure, the shear corbels are located along the center line of the corresponding frame beam.
As an embodiment of the node structure of the present invention, a top elevation of the ring-shaped reinforcement cage of the ring beam is higher than a maximum gluten elevation of the plurality of frame beams, and a bottom elevation of the ring-shaped reinforcement cage is lower than a minimum bottom rib elevation of the plurality of frame beams.
As an embodiment of the node structure of the present invention, a top elevation of the ring-shaped reinforcement cage is at least 50mm higher than a maximum gluten elevation of the plurality of frame beams, and a bottom elevation of the ring-shaped reinforcement cage is at least 50mm lower than a minimum bottom bar elevation of the plurality of frame beams.
As an embodiment of the node structure, the annular reinforcement cage comprises an annular gluten at the top and an annular bottom rib at the bottom, and the annular gluten and the annular bottom rib are connected through a rectangular hoop.
As an embodiment of the node structure, the rectangular stirrups are connected through annular torsion resistant ribs.
The invention provides a construction method for a node of a multi-directional beam intersected with a steel concrete column, which comprises the following steps:
a circle of annular reinforcement cage is arranged around the section steel column, the annular reinforcement cage is connected with vertical reinforcements outside the section steel column, the elevation of the top of the annular reinforcement cage is higher than the elevation of the maximum gluten of the multi-direction frame beam, and the elevation of the bottom of the annular reinforcement cage is lower than the elevation of the minimum bottom reinforcement of the multi-direction frame beam;
connecting the main reinforcements of the multidirectional frame beam on the annular reinforcement cage, and finishing reinforcement binding of the multidirectional frame beam;
and erecting a template, and integrally pouring concrete of the section steel column, the multidirectional frame beam and the annular reinforcement cage.
As an implementation mode of the joint construction method, in the step of surrounding the annular reinforcement cage around the section steel column, the method further comprises the following steps: and arranging shear-resistant brackets which are anchored into the multidirectional frame beam around the section steel column, wherein the shear-resistant brackets penetrate through the annular steel reinforcement cage.
Due to the adoption of the technical scheme, the invention has the following beneficial effects:
a circle of ring beam is additionally arranged on the periphery of the section steel column, and a shear-resistant corbel is additionally welded in the center line direction of the frame beam, so that the traditional mode of welding connecting plates, connecting sleeves and frame beam steel bars on the periphery of the section steel column is replaced. The section size of the ring beam and the number of the reinforcing bars in the upper row and the lower row of the crossed frame beams are set, so that the main reinforcing bars in the upper row and the lower row of the frame beams have enough anchoring length in the ring beam, and the overhanging shearing-resistant corbel can also play roles in enhancing the shearing resistance of the connecting node of the section steel column and the frame beams and improving the overall stability of the node.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a structural schematic view of a conventional section steel column welding connection plate.
Fig. 2 is a schematic top view of a node structure of a steel concrete column with multi-directional beams intersecting with the steel concrete column according to an embodiment of the present invention.
Fig. 3 is a schematic front view of a node structure of a steel concrete column with multi-directional beams intersecting with the steel concrete column according to an embodiment of the present invention.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it should be noted that, as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. appear, their indicated orientations or positional relationships are based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" as appearing herein are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" should be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
First, referring to fig. 1, a structural schematic diagram of a conventional section steel column welding connection plate is shown, according to design requirements, a certain number of connection plates 22 are welded around a section steel column 21 according to a main rib interval of a frame beam, and holes are formed in corresponding positions of the connection plates 22 according to a tie rib interval.
Because the multi-direction frame beams are arranged around the section steel column and connected with the section steel column, and the condition that the beam elevations of the multi-direction frame beams on the same section steel column are not completely consistent exists, the welding quality of the beam reinforcing steel bars of the frame beams and the peripheral connecting plates of the section steel column is difficult to ensure, the welding difficulty of the beam bottom reinforcing steel bars of the frame beams and the corresponding lower connecting plates is difficult to solve, and the connecting nodes of the frame beams and the section steel column are difficult to construct and ensure the structure quality and the safety.
In order to meet the requirement of beam column connection strength, the invention solves the problems of difficult connection and low quality of the nodes of the multi-direction frame beams intersected with the section steel columns through the node structure of the multi-direction beams intersected with the section steel concrete columns and the node construction method.
The technical solution of the present invention will be described in detail with reference to the accompanying drawings in conjunction with embodiments.
Referring to fig. 2 and 3, fig. 2 is a schematic top view of a node structure of a steel concrete column with a multi-directional beam intersecting with the steel concrete column according to an embodiment of the present invention, and fig. 3 is a schematic front view of the node structure of the steel concrete column with a multi-directional beam intersecting with the steel concrete column according to an embodiment of the present invention.
As shown in fig. 2 and 3, the node structure of the multi-directional beam intersecting with the steel-reinforced concrete column according to the embodiment of the present invention mainly includes a ring beam 13 surrounding the section steel column 11 and connected to all the multi-directional frame beams 12, the ring beam 13 includes an annular reinforcement cage 131 connected to the vertical reinforcement 111 outside the section steel column 11 and an annular concrete body 132 integrally cast with the section steel column 11 and the multi-directional frame beams 12, and the main reinforcement of the multi-directional frame beam 12 is connected to the annular reinforcement cage 131.
The multidirectional frame beams 12 include a plurality of frame beams with incompletely consistent elevations, and the arrangement directions of the plurality of frame beams on the section steel columns 11 are different from each other.
A plurality of shear-resistant corbels 14 anchored into the plurality of frame beams in one-to-one correspondence are further arranged around the section steel column, and the shear-resistant corbels 14 penetrate through the annular reinforcement cage 131. The cantilever shear-resistant corbel 14 (the length is 1200mm, and the length can be adjusted according to a stress calculation result) can play a role in enhancing the shear resistance of the connection node of the section steel column and the frame beam and improving the overall stability of the node. Preferably, the shear corbels 14 are disposed along the center line of the corresponding frame beam to improve connection stability.
The top elevation of the annular reinforcement cage 131 of the ring beam 13 is higher than the maximum gluten elevation of the plurality of frame beams, and the bottom elevation of the annular reinforcement cage 131 is lower than the minimum bottom gluten elevation of the plurality of frame beams. Preferably, the top elevation of the annular reinforcement cage 131 is at least 50mm higher than the maximum gluten elevation of the plurality of frame beams, the bottom elevation of the annular reinforcement cage 131 is at least 50mm lower than the minimum bottom rib elevation of the plurality of frame beams, and the horizontal width of the ring beam in this embodiment is about 400 mm.
Specifically, the ring-shaped reinforcement cage 131 of the ring beam 13 may include a ring-shaped rib 1311 located at the top and a ring-shaped bottom rib 1312 located at the bottom, and the ring-shaped rib 1311 and the ring-shaped bottom rib 1312 are connected by a rectangular hoop rib 1313, wherein the ring-shaped rib 1311 and the ring-shaped bottom rib 1312 may adopt 4 steel bars with a diameter of 25mm, the ring-shaped rib 1311 and the ring-shaped bottom rib 1312 may annularly surround the periphery of the section steel column 11, the rectangular hoop rib 1313 may adopt a steel bar with a diameter of 14mm and a length of 200mm to vertically overlap the ring-shaped rib 1311 and the ring-shaped bottom rib 1312, and a plurality of rings may be uniformly and densely arranged around the ring-shaped rib 1311 and the ring-shaped bottom rib 1312. Further, when the span between the maximum gluten height and the minimum bottom bar height of the multi-direction frame beam is large, and the vertical width of the annular reinforcement cage of the ring beam is large, a plurality of annular torsion resistant bars 1434 can be horizontally arranged between the rectangular stirrups 1313 for reinforcement connection, the specific arrangement of the annular torsion resistant bars 1314 can refer to the arrangement form of the annular gluten 1311 and the annular bottom bar 1312, and the annular torsion resistant bars 1314 can adopt reinforcing steel bars with the diameter of 14mm and the length of 200 mm.
The embodiment of the invention also provides a node construction method for the multi-direction beam to intersect with the section steel concrete column, which can be used for constructing the node structure of the multi-direction beam to intersect with the section steel concrete column in the embodiment, and the node construction method mainly comprises the following operation steps:
step one, a circle of annular steel reinforcement cage is arranged around a section steel column in a surrounding mode, the annular steel reinforcement cage is connected with vertical steel reinforcements outside the section steel column, the elevation of the top of the annular steel reinforcement cage is higher than the elevation of the largest gluten of a multi-direction frame beam, and the elevation of the bottom of the annular steel reinforcement cage is lower than the elevation of the smallest bottom bar of the multi-direction frame beam;
connecting main reinforcements of the multidirectional frame beam on the annular reinforcement cage, and finishing reinforcement binding of the multidirectional frame beam;
and step three, erecting a template, and integrally pouring concrete of the section steel column, the multidirectional frame beam and the annular reinforcement cage.
Preferably, in the step one, in the step of surrounding the annular reinforcement cage around the section steel column, the method further includes: and shear-resistant brackets for anchoring the multidirectional frame beam are arranged around the section steel column and penetrate through the annular steel reinforcement cage.
The invention provides a node structure of a multi-direction beam intersected with a section steel concrete column and a construction method thereof. The section size of the ring beam and the number of the reinforcing bars in the upper row and the lower row of the crossed frame beams are set, so that the main reinforcing bars in the upper row and the lower row of the frame beams have enough anchoring length in the ring beam, and the overhanging shearing-resistant corbel can also play roles in enhancing the shearing resistance of the connecting node of the section steel column and the frame beams and improving the overall stability of the node.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; the modifications or substitutions do not cause the essence of the corresponding technical solutions to depart from the scope of the technical solutions of the embodiments of the present invention, and are all included in the scope of the present invention.
The techniques, shapes, and configurations not described in detail in the present invention are all known techniques.
Claims (10)
1. The utility model provides a multi-direction roof beam intersects in node structure of shaped steel concrete column which characterized in that: the multi-direction frame beam structure is characterized by comprising a circle of ring beams which are arranged around a section steel column and connected to all multi-direction frame beams, wherein the ring beams comprise annular steel reinforcement cages connected to vertical steel bars outside the section steel column and annular concrete bodies integrally poured with the section steel column and the multi-direction frame beams, and main ribs of the multi-direction frame beams are connected to the annular steel reinforcement cages.
2. The node structure of a multidirectional beam intersecting a steel concrete column according to claim 1, wherein: the multi-directional frame beams include a plurality of frame beams having non-uniform elevations.
3. The node structure of a multidirectional beam intersecting a steel concrete column according to claim 2, wherein: and a plurality of shearing-resistant brackets anchored into the frame beams in a one-to-one correspondence manner are arranged around the section steel column, and the shearing-resistant brackets penetrate through the annular steel reinforcement cage.
4. The node structure of a multidirectional beam intersecting a steel concrete column according to claim 2, wherein: the shear bracket is located along a centerline of the corresponding frame beam.
5. The node structure of a multidirectional beam intersecting a steel concrete column according to claim 2, wherein: the ring beam the top elevation of annular reinforcement cage is higher than many the biggest gluten elevation of frame roof beam, the bottom elevation of annular reinforcement cage is less than many the minimum end muscle elevation of frame roof beam.
6. The node structure of a multidirectional beam intersecting a steel concrete column according to claim 1, wherein: annular steel reinforcement cage's top elevation is higher than many the maximum gluten elevation of frame roof beam is 50mm at least, annular steel reinforcement cage's bottom elevation is less than many the minimum end muscle elevation of frame roof beam is 50mm at least.
7. The node structure of a multidirectional beam intersecting a steel concrete column according to claim 1, wherein: annular steel reinforcement cage is including the annular gluten that is located the top and be located the annular end muscle of bottom, the annular gluten with connect through the rectangle stirrup between the muscle at the bottom of the annular.
8. The node structure of a multidirectional beam intersecting a steel concrete column according to claim 7, wherein: the rectangular stirrups are connected through annular anti-torsion ribs.
9. A construction method for a node of a multi-directional beam intersected with a steel reinforced concrete column is characterized by comprising the following steps:
a circle of annular reinforcement cage is arranged around the section steel column, the annular reinforcement cage is connected with vertical reinforcements outside the section steel column, the elevation of the top of the annular reinforcement cage is higher than the elevation of the maximum gluten of the multi-direction frame beam, and the elevation of the bottom of the annular reinforcement cage is lower than the elevation of the minimum bottom reinforcement of the multi-direction frame beam;
connecting the main reinforcements of the multidirectional frame beam on the annular reinforcement cage, and finishing reinforcement binding of the multidirectional frame beam;
and erecting a template, and integrally pouring concrete of the section steel column, the multidirectional frame beam and the annular reinforcement cage.
10. The method for constructing a joint of a multi-directional beam intersecting a steel reinforced concrete column according to claim 9, wherein the step of surrounding the annular reinforcement cage around the section steel column further comprises: and arranging shear-resistant brackets which are anchored into the multidirectional frame beam around the section steel column, wherein the shear-resistant brackets penetrate through the annular steel reinforcement cage.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010876374.5A CN112095796A (en) | 2020-08-27 | 2020-08-27 | Node structure with multidirectional beams intersected with steel concrete column and construction method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010876374.5A CN112095796A (en) | 2020-08-27 | 2020-08-27 | Node structure with multidirectional beams intersected with steel concrete column and construction method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113982109A (en) * | 2021-12-29 | 2022-01-28 | 中铁建设集团有限公司 | Unequal-strength beam column joint based on steel plate hoop constrained concrete superposed short column |
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| CN104947712A (en) * | 2015-06-29 | 2015-09-30 | 上海建工四建集团有限公司 | Construction method of constructing beam-column joint using ring beam |
| CN205954842U (en) * | 2016-08-29 | 2017-02-15 | 中建八局第二建设有限公司 | Deformed steel tubular column reinforced concrete ring beam |
| CN109024916A (en) * | 2018-08-07 | 2018-12-18 | 安徽工业大学 | A kind of PVC-FRP pipe binding type steel concrete column-cross node of reinforced beam |
| CN208363271U (en) * | 2018-05-31 | 2019-01-11 | 中国电建市政建设集团有限公司 | A kind of basement steel pipe congruent band of column girder connection using reverse construction |
| CN208586761U (en) * | 2018-06-27 | 2019-03-08 | 中建八局第一建设有限公司 | A kind of steel core concrete column ring beam joint |
| CN208792508U (en) * | 2018-06-04 | 2019-04-26 | 戴岩 | A kind of square steel tube constrains the node structure of combined steel and concrete column and girder steel |
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2020
- 2020-08-27 CN CN202010876374.5A patent/CN112095796A/en active Pending
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| CN101979791A (en) * | 2010-12-02 | 2011-02-23 | 北京建工集团有限责任公司 | Ring beam and annular corbel column reinforced connection joint and construction method thereof |
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| CN208363271U (en) * | 2018-05-31 | 2019-01-11 | 中国电建市政建设集团有限公司 | A kind of basement steel pipe congruent band of column girder connection using reverse construction |
| CN208792508U (en) * | 2018-06-04 | 2019-04-26 | 戴岩 | A kind of square steel tube constrains the node structure of combined steel and concrete column and girder steel |
| CN208586761U (en) * | 2018-06-27 | 2019-03-08 | 中建八局第一建设有限公司 | A kind of steel core concrete column ring beam joint |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113982109A (en) * | 2021-12-29 | 2022-01-28 | 中铁建设集团有限公司 | Unequal-strength beam column joint based on steel plate hoop constrained concrete superposed short column |
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