CN211774633U - Outer frame roof beam and concrete core section of thick bamboo inner steel bone post connected node in super high-rise structure - Google Patents
Outer frame roof beam and concrete core section of thick bamboo inner steel bone post connected node in super high-rise structure Download PDFInfo
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- CN211774633U CN211774633U CN202020184516.7U CN202020184516U CN211774633U CN 211774633 U CN211774633 U CN 211774633U CN 202020184516 U CN202020184516 U CN 202020184516U CN 211774633 U CN211774633 U CN 211774633U
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Abstract
The utility model discloses an outer frame roof beam and concrete core section of thick bamboo in steel skeleton column connected node belong to building structure technical field in the super high-rise structure, this node includes girder steel and reinforcing bar post, a core section of thick bamboo is a concrete core section of thick bamboo, the reinforcing bar post is located core section of thick bamboo internal corner position, a serial communication port, welded connection has the truss between reinforcing bar post and the girder steel, the truss includes last chord truss, last chord truss and web member, go up chord truss and parallel welding of lower chord truss between reinforcing bar post and girder steel, the web member is X shape welded connection between last chord truss tip and lower chord truss tip. The stressed steel bars and the stirrups in the concrete in the core tube can freely penetrate through the gaps in the truss and cannot collide with the steel beam. The steel beam is not required to be perforated so as to weaken the steel beam. And the welding amount is small in the whole construction process, the construction is convenient, the requirement of delicate construction of the building engineering is met, and the method is a green building construction technology.
Description
Technical Field
The utility model belongs to the technical field of building structure, specifically be steel bone post connected node in outer frame roof beam and the concrete core section of thick bamboo among the super high-rise structure.
Background
With the development of national economy, super high-rise buildings in China are more and more. The steel structure has the advantages of high strength, light dead weight, good earthquake resistance, convenient processing and manufacturing, convenient installation and the like, meets the mechanical property requirement and the building construction requirement of the super high-rise building structure, also meets the strategic requirements of green environmental protection and sustainable development in China, and becomes the inevitable choice of super high-rise buildings.
At present, domestic super high-rise buildings mostly adopt a mixed structure system, namely, an outer frame adopts a concrete-filled steel tube frame or a steel reinforced concrete frame, a beam is an H-shaped steel beam, a column is concrete-filled steel tube or steel reinforced concrete, a core tube adopts concrete, and a certain amount of steel ribs are configured to meet the requirements of stress and ductility. At present, in a mixed structure, the connection problem of a steel structure and concrete is a key problem, for example, a floor steel beam bears most of vertical load and plays a role in connecting an outer frame and an inner core tube, so that the connection node of the steel beam and a steel column is very important.
At present, the connection joints of the steel beam and the steel column are mostly welded on site, namely the upper flange and the lower flange of the steel beam are welded with the steel, and the web plates are connected by high-strength bolts. This node form is applicable in pure steel construction, but in mixed structure, because the reinforcing bar post is located core section of thick bamboo shear wall bight mostly, there are concrete hidden column and vertical atress reinforcing bar, the stirrup, still there are vertical and horizontal distribution reinforcing bar, the stirrup in the concrete wall, cause the reinforcing bar arrangement complicacy of whole node, atress reinforcing bar and stirrup and girder steel collision, adopt muffjoint can cause the on-the-spot welding volume big, perforate on the girder steel can cause processing, construction difficulty and girder steel weaken scheduling problem.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a connecting node of an outer frame beam and a steel column in a concrete core cylinder in a super high-rise structure, which solves the problem that a field welding inapplicable mixed structure is directly adopted between the connecting nodes of the steel beam and the steel column; the node reinforcing bar of girder steel and reinforcing bar post arranges the complicacy in the mixed structure, and atress reinforcing bar and stirrup and girder steel collision adopt the muffjoint can cause the on-the-spot welding volume big, perforate on the girder steel can cause processing and the technical problem of construction difficulty, girder steel weakening.
In order to solve the technical problem, the utility model provides an outer frame roof beam and concrete core section of thick bamboo in super high-rise structure steel bone post connected node, including girder steel and reinforcing bar post, a core section of thick bamboo is a concrete core section of thick bamboo, the reinforcing bar post is located core section of thick bamboo internal corner position, welded connection has the truss between reinforcing bar post and the girder steel, the truss includes last chord truss, lower chord truss and web member, last chord truss and lower chord truss parallel welding are between girder steel post and girder steel, the web member is X shape welded connection between last chord truss tip and lower chord truss tip.
Preferably, the upper chord truss comprises upper chords arranged in parallel and upper diagonal web members connected between the ends of the upper chords.
Preferably, the lower chord truss comprises lower chords arranged in parallel and lower diagonal web members connected between the ends of the lower chords, and the web members are connected between the ends of the upper chords and the ends of the lower chords in an X shape.
Preferably, the steel skeleton post is the cross steel skeleton post, the girder steel is the I-steel, the girder steel is close to the one end of steel skeleton post and has the end plate along the cross-section welded connection of girder steel, last chord truss and web member all with end plate welded connection.
Preferably, a vertical connecting plate is further connected between the end plate and the web of the steel beam, the vertical connecting plate is connected with the end plate in a welding mode, and the vertical connecting plate is connected with the web of the steel beam through bolts.
Preferably, the upper chord truss is flush with the upper flange plate of the steel beam, and the lower chord truss is flush with the lower flange plate of the steel beam.
Preferably, the sections of the upper chord truss, the lower chord truss and the web are the same and are circular tube sections or rectangular tube sections.
Preferably, the sectional area of the upper chord truss and the lower chord truss is not less than that of the upper flange plate or the lower flange plate of the steel beam.
Preferably, the steel skeleton column comprises H-shaped steel, T-shaped steel vertically welded on two sides of the middle of a web plate of the H-shaped steel, a stiffening plate welded between the H-shaped steel and the T-shaped steel, and studs welded on the outer sides of flange plates of the H-shaped steel and transverse plates of the T-shaped steel.
Compared with the prior art, the utility model discloses a characteristics and beneficial effect do: the utility model discloses a parallel welding upper chord truss and lower chord truss between girder steel and reinforcing bar post to weld the web member of X-shaped between the tip of upper chord truss and the tip of lower chord truss. The upper and lower trusses are primarily loaded vertically in the form of axial forces and the bending moment created at the node by the horizontal load. The web members are used for bearing shearing force at the nodes, and the upper chord truss and the lower chord truss are integrated to reliably transfer stress of the nodes. The stressed steel bars and the stirrups in the concrete in the core tube can freely penetrate through the gaps in the truss and cannot collide with the steel beam. The steel beam is not required to be perforated so as to weaken the steel beam. And the welding amount is small in the whole construction process, the construction is convenient, the requirement of delicate construction of the building engineering is met, and the method is a green building construction technology.
Drawings
Fig. 1 is a schematic diagram of a connection node of an outer frame beam and a steel column in a concrete core tube in an ultra-high-rise structure.
Fig. 2 is a schematic cross-sectional view of a connection node between an outer frame beam and a steel column in a concrete core tube in an ultra-high-rise structure.
Fig. 3 is a schematic longitudinal section of a connection node of an outer frame beam and a steel column in a concrete core cylinder in an ultra-high-rise structure.
The attached drawings are marked as follows: the steel beam comprises 1-steel beam, 2-steel skeleton column, 21-H steel, 22-T steel, 23-stiffening plate, 24-stud, 3-upper chord truss, 31-upper chord, 32-upper diagonal web member, 4-lower chord truss, 41-lower chord, 42-lower diagonal web member, 5-web member, 6-end plate, 7-vertical connecting plate, 8-vertical main reinforcement and 9-transverse stirrup.
Detailed Description
In order to make the technical means, innovative features, objectives and functions realized by the present invention easy to understand, the present invention will be further described below.
The embodiments described herein are specific embodiments of the present invention, and are intended to be illustrative of the concepts of the present invention, which are intended to be illustrative and exemplary, and should not be construed as limiting the scope of the embodiments of the present invention. In addition to the embodiments described herein, those skilled in the art will be able to employ other technical solutions which are obvious based on the disclosure of the claims and the specification of the present application, and these technical solutions include technical solutions which make any obvious replacement or modification for the embodiments described herein.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made 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" and "second" 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 is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1-3, the connection node of the outer frame beam and the steel column in the concrete core tube in the super high-rise structure comprises a steel beam 1 and a steel column 2, the core tube is the concrete core tube, and the steel column 2 is positioned at the inner corner of the core tube, so that the mechanical properties such as the integral rigidity of the core tube can be improved, and the integral performance of the building can be improved. A truss is welded between the steel skeleton column 2 and the steel beam 1 and comprises an upper chord truss 3, a lower chord truss 4 and a web member 5. The upper chord truss 3 and the lower chord truss 4 are welded between the steel skeleton column 2 and the steel beam 1 in parallel, and the web member 5 is welded between the end part of the upper chord truss 3 and the end part of the lower chord truss 4 in an X shape. The upper and lower trusses are primarily loaded vertically in the form of axial forces and the bending moment created at the node by the horizontal load. The web members are used for bearing shearing force at the nodes, and the upper chord truss and the lower chord truss are integrated to reliably transfer stress of the nodes.
The upper chord truss 3 is flush with the upper flange plate of the steel beam 1, the lower chord truss 4 is flush with the lower flange plate of the steel beam 1, the performances of the upper chord truss 3 and the lower chord truss 4 such as stress force arms are improved to the maximum extent, and the mechanical properties of the upper chord truss 3 and the lower chord truss 4 are improved. The sections of the upper chord truss 3, the lower chord truss 4 and the web members 5 are the same and are circular tube sections or rectangular tube sections. The sectional areas of the upper chord truss 3 and the lower chord truss 4 are not smaller than the sectional areas of the upper flange plate or the lower flange plate of the steel beam 1, so that the stress performance of the part is improved to the greatest extent, and the weak point of the whole structure with obvious stress is avoided. The materials of the upper chord truss 3, the lower chord truss 4 and the web members 5 are not lower than that of the steel beam 1. The sectional area of the web member 5 is determined by calculation based on the shearing force of the node.
The upper chord 3 comprises upper chords 31 arranged in parallel and upper diagonal web members 32 connected between the ends of the upper chords 31. The lower chord 4 includes lower chords 41 arranged in parallel and lower diagonal web members 42 connected between the ends of the lower chords 41, and the web members 5 are connected in an X-shape between the ends of the upper chords 31 and the ends of the lower chords 41.
The steel skeleton column 2 is a cross steel skeleton column and comprises H-shaped steel 21, T-shaped steel 22 vertically welded to two sides of the middle of a web plate of the H-shaped steel 21, a stiffening plate 23 welded between the H-shaped steel 21 and the T-shaped steel 22, and a stud 24 welded to the outer side of a flange plate of the H-shaped steel 21 and the outer side of a transverse plate of the T-shaped steel 22. The steel beam 1 is I-shaped steel, one end, close to the steel skeleton column 2, of the steel beam 1 is connected with an end plate 6 in a welding mode along the section of the steel beam 1, and the upper chord truss 3, the lower chord truss 4 and the web members 5 are all connected with the end plate 6 in a welding mode. Still be connected with vertical connecting plate 7 between the web of end plate 6 and girder steel 1, vertical connecting plate 7 and end plate 6 welded connection pass through bolted connection between the web of vertical connecting plate 7 and girder steel 1.
The construction method of the connection node of the outer frame beam and the steel column in the concrete core cylinder in the super high-rise structure comprises the following steps:
firstly, prefabricating a steel bone column 2 and a truss in a factory and transporting the steel bone column and the truss to a construction site;
secondly, welding and connecting the truss to the outer side of an H-shaped steel 21 flange plate and the outer side of a T-shaped steel 22 transverse plate of the steel skeleton column 2, wherein the vertical main reinforcement 8 and the transverse stirrups 9 in the core cylinder can freely penetrate through the truss during construction;
thirdly, welding an end plate 6 at one end of the truss far away from the steel reinforced column 2 in parallel with the steel reinforced column 2;
step four, pouring concrete in the core cylinder after the steel bars are bound;
after the template is dismantled, vertically welding a vertical connecting plate 7 on one side of the end plate 6, which is far away from the truss;
and step six, connecting the web plate of the steel beam 1 with the vertical connecting plate 7 through bolts, and welding the flange plate of the steel beam 1 with the end plate 6 to complete the node construction.
The above embodiments are merely illustrative of the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the spirit of the present invention should fall within the protection scope defined by the claims.
Claims (9)
1. A steel-bone-column connecting node in an outer frame beam and a concrete core cylinder in a super high-rise structure comprises a steel beam (1) and a steel-bone column (2), wherein the core cylinder is a concrete core cylinder, and the steel-bone column (2) is located at the inner corner of the core cylinder, and is characterized in that a truss is welded between the steel-bone column (2) and the steel beam (1) and comprises an upper chord truss (3), a lower chord truss (4) and a web member (5), the upper chord truss (3) and the lower chord truss (4) are welded between the steel-bone column (2) and the steel beam (1) in parallel, and the web member (5) is in X-shaped welded connection between the end part of the upper chord truss (3) and the end part of the lower chord truss (4).
2. The outer frame beam and concrete core tube inner steel bone column connection node in the super high-rise structure of claim 1, characterized in that: the upper chord truss (3) comprises upper chords (31) arranged in parallel and upper inclined web members (32) connected between the ends of the upper chords (31).
3. The outer frame beam and concrete core tube inner steel bone column connection node in the super high-rise structure of claim 2, characterized in that: the lower chord truss (4) comprises lower chords (41) arranged in parallel and lower oblique web members (42) connected between the ends of the lower chords (41), and the web members (5) are connected between the ends of the upper chords (31) and the lower chords (41) in an X shape.
4. The outer frame beam and concrete core tube inner steel bone column connection node in the super high-rise structure of claim 1, characterized in that: steel skeleton post (2) are cross steel skeleton post, girder steel (1) is the I-steel, girder steel (1) are close to the one end of steel skeleton post (2) and have end plate (6) along the cross-section welded connection of girder steel (1), last chord truss (3), last chord truss (4) and web member (5) all with end plate (6) welded connection.
5. The super high-rise structure outer frame beam and concrete core tube inner steel bone column connection node as claimed in claim 4, wherein: still be connected with vertical connecting plate (7) between the web of end plate (6) and girder steel (1), vertical connecting plate (7) and end plate (6) welded connection, pass through bolted connection between the web of vertical connecting plate (7) and girder steel (1).
6. The super high-rise structure outer frame beam and concrete core tube inner steel bone column connection node as claimed in claim 4, wherein: the upper chord truss (3) is flush with the upper flange plate of the steel beam (1), and the lower chord truss (4) is flush with the lower flange plate of the steel beam (1).
7. The outer frame beam and concrete core tube inner steel bone column connection node in the super high-rise structure of claim 1, characterized in that: the sections of the upper chord truss (3), the lower chord truss (4) and the web members (5) are the same and are circular tube sections or rectangular tube sections.
8. The super high-rise structure outer frame beam and concrete core tube inner steel bone column connection node of claim 7, characterized in that: the sectional areas of the upper chord truss (3) and the lower chord truss (4) are not smaller than the sectional area of the upper flange plate or the lower flange plate of the steel beam (1).
9. The outer frame beam and concrete core tube inner steel bone column connection node in the super high-rise structure of claim 1, characterized in that: the steel skeleton column (2) comprises H-shaped steel (21), T-shaped steel (22) vertically connected to two sides of the middle of a web plate of the H-shaped steel (21) in a welding mode, a stiffening plate (23) connected between the H-shaped steel (21) and the T-shaped steel (22) in a welding mode, and a stud (24) connected to the outer side of a flange plate of the H-shaped steel (21) and the outer side of a transverse plate of the T-shaped steel (22) in a welding mode.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020184516.7U CN211774633U (en) | 2020-02-19 | 2020-02-19 | Outer frame roof beam and concrete core section of thick bamboo inner steel bone post connected node in super high-rise structure |
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| CN202020184516.7U CN211774633U (en) | 2020-02-19 | 2020-02-19 | Outer frame roof beam and concrete core section of thick bamboo inner steel bone post connected node in super high-rise structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112647596A (en) * | 2020-12-18 | 2021-04-13 | 浙大城市学院 | O-shaped chamfered edge multi-azimuth truss-frame-core barrel combined super-high-rise structure forming method and application |
| CN115233820A (en) * | 2022-09-08 | 2022-10-25 | 中建八局第二建设有限公司 | Concrete core tube embedded connection node and construction method thereof |
-
2020
- 2020-02-19 CN CN202020184516.7U patent/CN211774633U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112647596A (en) * | 2020-12-18 | 2021-04-13 | 浙大城市学院 | O-shaped chamfered edge multi-azimuth truss-frame-core barrel combined super-high-rise structure forming method and application |
| CN112647596B (en) * | 2020-12-18 | 2021-12-24 | 浙大城市学院 | O-shaped chamfered edge multi-azimuth truss-frame-core barrel combined super-high-rise structure forming method and application |
| CN115233820A (en) * | 2022-09-08 | 2022-10-25 | 中建八局第二建设有限公司 | Concrete core tube embedded connection node and construction method thereof |
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