CN216108969U - Steel structure node - Google Patents
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- CN216108969U CN216108969U CN202122492005.9U CN202122492005U CN216108969U CN 216108969 U CN216108969 U CN 216108969U CN 202122492005 U CN202122492005 U CN 202122492005U CN 216108969 U CN216108969 U CN 216108969U
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Abstract
The utility model relates to a steel structure node, which belongs to the technical field of building steel structures and comprises a steel pipe column and an I-shaped steel beam; the steel beam comprises a beam web plate and flange plates positioned on two sides of the beam web plate; the end part of the web plate is fixed on the outer side of the steel pipe column; the flange plates are fixedly connected with the steel pipe column through flange connecting plates, wherein the flange connecting plates are vertically fixed on the side surfaces of the flange plates, and the end surfaces of the flange connecting plates are fixed on the outer sides of the steel pipe column; the steel-pipe column is equipped with the dowel steel corresponding with every edge of a wing connecting plate to transmit the vertical power of girder steel for the steel-pipe column through the dowel steel. The utility model has the beneficial effects that: the steel beam transmits vertical force to the steel pipe column through the force transmission plate, so that force transmission is more direct, design and calculation are facilitated, engineering quality is further guaranteed from a design source, and the strength of the node is further improved; the fortification target of the strong node and the weak member is facilitated to be realized; when the strength of the connecting structure is ensured, materials are saved more, and the construction efficiency is improved.
Description
Technical Field
The utility model relates to the technical field of building steel structures, in particular to a steel structure node.
Background
In recent years, the building industrialization is vigorously developed by the country, a series of policies encourage implementation of the building industrialization, factory processing, field installation, implementation of construction technology progress, and the problems of shortage of labor, aging of construction workers, shortage of technical types and low level are solved, and new and old kinetic energy conversion of the building industry in China is promoted.
Especially to the great development of steel structure construction. The steel structure is preferably adopted by public buildings such as hospitals and schools, and the construction of steel structure houses and farmhouses is actively promoted. The performance and technical measures such as fire resistance, corrosion resistance and the like of the steel structure building are perfected, the application of hot-rolled I-shaped steel, weather-resistant steel and refractory steel is increased, and the comprehensive development of the key technology and related industries of the steel structure building is promoted.
In the steel structure building, the junction between steelframe and the steel-pipe column is the steel construction node promptly, and at present, the steel construction node often adopts following structure:
1. after the steel plate is coated around the outer side of the steel pipe column and is welded with the steel pipe column through-hole plug welding, the steel beam flange is welded with the steel plate, the force transmission of the type of node is indirect, and the manufacturing is troublesome, and various researches show that the node is not suitable for connecting nodes of high-rise steel structure beam columns, especially high-intensity earthquake-resistant areas;
2. two larger vertical side plates are welded with the flange of the steel beam, and a reinforced flange connecting plate is additionally welded on the flange of the steel beam and is welded with the vertical side plates, so that the purpose of strong joint and weak members is achieved, and the purpose of consuming energy under great shock can be achieved; however, the two sides of the beam web plate of the node are provided with the larger vertical side plates, the beam web plate cannot be welded with the steel pipe column to transfer shearing force, the vertical force is transferred to the vertical side plates on the two sides through the beam wings to be transferred, the vertical force is not directly transferred, the stress is complex, the manufacturing is difficult, and the time, the material and the waste are caused;
in summary, the steel structure node in the prior art has the following disadvantages: if the flange of the steel beam is welded with the flitch around the steel pipe column to transfer force, a gap cannot be arranged on the flange to solve the problem of pipe penetration from top to bottom; the web cannot be welded with the steel pipe column, so that the vertical force cannot be directly transmitted to the steel pipe column through the web, but is transmitted to the side plate and the like through the steel beam flange and then transmitted to the steel pipe column, the force transmission is complex, the calculation is difficult to be clear during the design, and the engineering quality is difficult to ensure from the design source; if a relatively fat node is adopted, steel plate connecting side plates on two sides of the steel pipe column are welded with a flange of the steel beam, so that the node is wider than the steel beam, and the building function is influenced; if adopt the rectangle gusset plate then comparatively extravagant material, for accomplishing strong node, then need to make the rectangle plate node stretch into the floor more to can influence the floor construction.
In order to solve the problems, the utility model provides a steel structure node.
SUMMERY OF THE UTILITY MODEL
In order to solve at least one of the above technical problems, the present invention provides a steel structure node, comprising a steel pipe column and an i-shaped steel beam; the steel beam comprises a beam web plate and flange plates positioned on two sides of the beam web plate; the end part of the beam web plate is fixed on the outer side of the steel pipe column; the at least one flange plate is fixedly connected with the steel pipe column through a flange connecting plate, wherein the flange connecting plate is vertically fixed on the side surface of the flange plate, and the end surface of the flange connecting plate is fixed on the outer side of the steel pipe column; the steel pipe column is provided with a force transmission plate corresponding to each flange connecting plate, so that the vertical force of the steel beam is transmitted to the steel pipe column through the force transmission plate.
Preferably, the force transmission plate and the flange connecting plate are arranged oppositely and in the same plane.
Preferably, the force transmission plate is at least one of a side plate of the steel pipe column and a partition plate arranged in an inner cavity of the steel pipe column.
Preferably, the flange connecting plate and the steel pipe column, and the flange connecting plate and the flange plate are connected by welding; and/or the web plate is connected with the steel pipe column in a welding mode, or the web plate is connected with the steel pipe column in a welding mode through a transition plate, one end of the transition plate is in threaded connection or welded to the web plate, and the other end of the transition plate is in threaded connection or welded to the steel pipe column.
Preferably, the flange connecting plate is integrally formed and comprises a rectangular plate and at least one reinforcing plate; the at least one reinforcing plate is arranged on the side surface of the rectangular plate and is coplanar; the flange connecting plate is provided with one end of the reinforcing plate as a large end and the other end as a small end, and the large end of the flange connecting plate is connected to the steel pipe column.
Preferably, one end of the reinforcing plate, which is far away from the steel pipe column, is an inclined plane or a curved surface.
Preferably, the reinforcing plate is in a right trapezoid shape, and the side surfaces of the flange connecting plates can be overlapped end to form an integral plate.
Preferably, at least one reserved gap is reserved between the end face of the flange plate and the outer side face of the steel pipe column.
Preferably, the reserved gap is located at the end of the flange plate, and the beam web plate penetrates through the middle of the reserved gap and divides the reserved gap into two pipe penetrating channels.
Preferably, the reserved gap is closed by concrete or elastic sound insulation materials after the pipeline is arranged in a penetrating way.
The utility model has the beneficial effects that:
1. the steel beam transmits vertical force to the steel pipe column through the force transmission plate, so that force transmission is more direct, design calculation is facilitated, engineering quality is further guaranteed from a design source, meanwhile, a connection structure of the steel beam and the steel pipe column is more reliable, and the strength of a node is further improved;
2. the flange connecting plate is connected between the steel pipe column and the steel beam, the connection is beam end reinforced connection, the beam end is reinforced through the flange connecting plate, so that the beam end has higher bearing capacity, the beam end is plastically hinged to the outside of the node to move to a certain size, generally within a range of one time of the beam height outside the flange connecting plate with a special shape, the I-shaped steel beam is deformed and consumes energy within the range, and meanwhile, as the I-shaped steel beam leaves the node area, the deformation of the I-shaped steel beam has less influence on the node area, the node area is protected, and the defense goal of strong node weak components is favorably realized; when the strength of the connecting structure is ensured, materials are saved more, and the construction efficiency is improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the utility model and together with the description serve to explain the principles of the utility model.
FIG. 1 is a schematic structural diagram of an embodiment (two force transmission plates are a steel pipe column side plate and a partition plate respectively);
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a front view of FIG. 1;
FIG. 4 is a top view of an embodiment (both force transfer plates are steel pipe column side plates);
FIG. 5 is a top view of an embodiment (both force transfer plates are bulkheads);
FIG. 6 is a schematic view of a flange joint plate;
FIG. 7 is a sectional view of the four flange joint plates before separation.
In the figure: the method comprises the following steps of 1-steel pipe column, 2-steel beam, 3-beam web, 4-flange plate, 5-flange connecting plate, 6-partition plate, 7-rectangular plate, 8-reinforcing plate, 9-reserved gap and 10-side plate.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are for purposes of illustration only and are not to be construed as limitations of the utility model. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.
In addition, the embodiments of the present invention and the features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
As shown in fig. 1 to 7, a steel structure node comprises a steel pipe column 1 and an i-shaped steel beam 2; the steel beam 2 comprises a beam web plate 3 and flange plates 4 positioned on two sides of the beam web plate 3; the end part of the beam web plate 3 is fixed on the outer side of the steel pipe column 1; at least one flange plate 4 is fixedly connected with the steel pipe column 1 through a flange connecting plate 5, wherein the flange connecting plate 5 is vertically fixed on the side surface of the flange plate 4, and the end surface of the flange connecting plate 5 is fixed on the outer side of the steel pipe column 1; the steel-pipe column 1 is equipped with the dowel steel corresponding with every edge of a wing connecting plate 5 to transmit the vertical power with girder steel 2 for steel-pipe column 1 through the dowel steel.
It should be noted that the vertical direction here is along the length direction of the steel pipe column 1, that is, the direction perpendicular to the length direction of the steel beam 2.
By adopting the structure, the steel beam 2 transmits vertical force to the steel pipe column 1 through the force transmission plate, so that the force transmission is more direct, the design calculation is facilitated, the engineering quality is further ensured from the design source, meanwhile, the connection structure of the steel beam 2 and the steel pipe column 1 is more reliable, and the strength of the node is further improved;
the flange connecting plate 5 is connected between the steel pipe column 1 and the steel beam 2, the connection is beam end reinforced connection, the beam end is reinforced through the flange connecting plate 5, so that the beam end has higher bearing capacity, the beam end is plastically hinged to the outside of a node to move for a certain size, generally within a range of one time of the beam height outside the flange connecting plate 5 with a special shape, the I-shaped steel beam 2 deforms and consumes energy within the range, and meanwhile, as the steel pipe leaves the node area, the deformation of the steel pipe column has less influence on the node area, the node area is protected, and the defense target of strong-node weak components is favorably realized; when the strength of the connecting structure is ensured, materials are saved more, and the construction efficiency is improved.
Obviously, it is conceivable that the steel beam 2 is not limited to the i-shaped steel beam 2, but a T-shaped steel beam 2 and other steel beams 2 can be adopted, the steel beam 2 of the national standard specification is preferably adopted, the steel pipe column 1 is preferably a finished cold-bent rectangular steel pipe, and particularly, the steel structure house main component size guideline proposed by the ministry of construction improves the building industrialized construction degree, saves resources and energy, and promotes the building construction environmental protection process;
to I-shaped girder steel 2, every flange plate 4 of girder steel 2 all is connected with edge of a wing connecting plate 5, and edge of a wing connecting plate 5 sets up four promptly, strengthens the beam-ends.
The end faces of the flange plates 4 and the steel pipe column 1 may be connected by clearance fit or by a coating material or the like.
In an embodiment, the dowel plate is opposite to the flange connecting plate 5 and is arranged on the same plane, so that vertical force is transferred more directly and reliably, and the connecting strength is further improved.
In a further scheme, the force transmission plate is at least a side plate 10 of the steel pipe column 1 and one of the partition plates 6 arranged in the inner cavity of the steel pipe column 1, and the structure of the force transmission plate has the following three forms:
firstly, as shown in fig. 4, the distance between the flange connecting plates 5 on the two sides of the steel beam 2 is equal to the width of the steel pipe column 1, and then the two force transmission plates are both side plates 10 of the steel pipe column 1, that is, the flange connecting plates 5 on the two sides are respectively arranged corresponding to the two opposite side plates 10 of the steel pipe column 1;
secondly, as shown in fig. 5, the distance between the flange connecting plates 5 on the two sides of the steel beam 2 is smaller than the width of the steel pipe column 1, and the steel beam 2 is connected to the middle part of the steel pipe column 1, so that the two force transmission plates are both partition plates 6, that is, two partition plates 6 are fixed in the steel pipe column 1, and the two partition plates 6 are respectively arranged corresponding to the flange connecting plates 5 on the two sides;
thirdly, as shown in fig. 1-3, the distance between the flange connecting plates 5 on the two sides of the steel beam 2 is smaller than the width of the steel pipe column 1, and the steel beam 2 is connected to the edge of the steel pipe column 1, so that one of the force transfer plates is the side plate 10 of the steel pipe column 1 and is arranged corresponding to the flange connecting plate 5 on one side, and the other force transfer plate is a partition plate 6 arranged in the steel pipe column 1 and is arranged corresponding to the flange connecting plate 5 on the other side;
adopt above-mentioned structure, need not to require edge of a wing connecting plate 5 to correspond with steel-pipe column 1's curb plate 10, and then make arranging of girder steel 2 more nimble, do not receive steel-pipe column 1's big or small restriction, need not to restrict steel-pipe column 1's both sides board 10 interval promptly, make the great steel-pipe column 1 of usable size in the engineering, improve the structural strength of node, be more applicable to many high-rise buildings, when avoiding fertile large-scale node, convenient construction and processing are favorable to promoting the engineering quality.
In one embodiment, the flange connecting plate 5 and the steel pipe column 1, and the flange connecting plate 5 and the flange plate 4 are connected by welding; and/or the web plate 3 is connected with the steel pipe column 1 in a welding mode, or the web plate is connected through a transition plate, one end of the transition plate is in threaded connection or welded to the web plate 3, the other end of the transition plate is in threaded connection or welded to the steel pipe column 1, the welding connection is preferably adopted, and the welding requirement of the transition plate and the steel pipe column 1 is equal to the welding requirement of the web plate 3 and the steel pipe column 1.
The flange plate 4 of the steel beam 2 and the flange connecting plate 5 are welded by adopting full penetration welding preferentially to meet the anti-seismic requirement, the grade of a welding line is first grade, and the welding is preferentially finished in a factory to improve the manufacturing quality of the steel beam; the connecting mode similar to the shape can also be obtained by the modes of processing T-shaped steel or I-shaped steel in a transverse mode, namely H-shaped placement, and processing the flange plate 4 of the H-shaped steel beam 2.
The beam web 3 is connected with the steel pipe column 1 by welding preferentially; when the thickness of the web plate 3 is more than 16mm, the web plate is welded with the steel pipe column 1 by adopting K-shaped groove full penetration welding; when the thickness of the web plate 3 is not more than 16mm, a double-sided fillet weld is adopted to be welded with the steel pipe column 1;
the flange connecting plate 5 and the steel pipe column 1 are connected by adopting a full penetration welding line, so that the steel pipe column has better anti-seismic performance, and the grade of the welding line is one grade.
The connection between the partition board 6 and the steel pipe column 1 adopts full penetration welding, and needs to be manufactured in a factory, and the grade of a welding line is first grade; and the front and the rear of the partition board 6 are required to be fully welded with the steel pipe column 1.
In one embodiment, as shown in fig. 6, the flange connecting plate 5 is integrally formed and comprises a rectangular plate 7, at least one reinforcing plate 8; at least one reinforcing plate 8 is arranged on the side surface of the rectangular plate 7 and is coplanar; the flange connecting plate 5 has one end with a reinforcing plate 8 as a large end and the other end as a small end, and the large end of the flange connecting plate 5 is connected to the steel pipe column 1. Its purpose is in order to increase the whole bending modulus of edge of a wing connecting plate 5 and the area of being connected of girder steel 2 and steel-pipe column 1, also is used for obtaining great bending section modulus promptly to and stronger welding seam is connected.
The size of rectangular plate 7 is less, and especially the part that edge of a wing connecting plate 5 is located girder steel 2 above has less size, has very big meaning to the floor construction, especially industrialization floor product construction, not only is favorable to guaranteeing the protective layer thickness of floor reinforcing bar, makes things convenient for the reinforcing bar to set up, has still reduced the influence of laying to the industrialization template of floor.
Of course, the flange connecting plate 5 can be provided with no reinforcing plate 8 and only comprises the rectangular plate 7, so that the structure is more compact.
In the concrete scheme, one end of the reinforcing plate 8, which is far away from the steel pipe column 1, is an inclined plane or a curved surface, the section of the reinforcing plate 8 is gradually reduced through the inclined plane or the curved surface, and the section is gradually changed to a smaller shape according to a bending moment attenuation curve so as to ensure the anti-seismic target of a strong node, a strong connection and a weak member.
In the concrete scheme, reinforcing plate 8 can set up two, is located the both sides of rectangular plate 7 respectively, and the rectangular plate 7 structure and the same, the symmetry setting of size of both sides, perhaps, reinforcing plate 8 only sets up one, is located one side of rectangular plate 7, makes things convenient for same type node to obtain the flange connecting plate 5 of four the same specifications, the industrialization preparation of being convenient for.
In the further scheme, with two edge of a wing connecting plates 5 of one side can be structure as an organic whole, applicable in the less girder steel 2 of size, perhaps for the components of a whole that can function independently structure that the interval set up, applicable in the great girder steel 2 of size, can be applicable to not unidimensional girder steel 2 respectively, use more in a flexible way.
In the specific scheme, the reinforcing plate 8 is in a right trapezoid shape, as shown in fig. 7, the side surfaces of the flange connecting plates 5 can be overlapped end to form an integral plate, that is, the flange connecting plates 5 can be processed by using strip-shaped steel plates similar to rectangles, and an optimal processing mode is adopted, so that materials can be saved and processing is convenient.
When the span of the I-shaped steel beam 2 is within a certain range, the flange connecting plate 5 can determine the fixed specification and size of the steel beam 2 with a certain specification, so that the strong connection of weak components is conveniently ensured;
because the national standard beam specification is fixed, and the beam specification in the 'guide for the size of main components of steel structure dwelling house' proposed by the ministry of construction is fixed, and the beam specification is relatively fixed, the flange connecting plate 5 can be manufactured into an industrialized product, and the standard specification connecting plate is manufactured by matching with the standard specification beam aiming at the directional manufacture of the standard specification beam, so that the building industrialization process is promoted.
In one embodiment, at least one reserved gap 9 is reserved between the end face of the flange plate 4 and the outer side face of the steel pipe column 1, the reserved gap 9 is arranged between the flange connecting plate 5 and the steel pipe column 1 and used for enabling a pipeline to penetrate from the upper side of the steel beam 2 to the lower side of the steel beam 2, for example, a switch control wire of a lamp needs to be arranged in a floor slab or a ceiling, the installation can be carried out through the reserved gap 9, the wiring is more reasonable and convenient, and the building is more compact and attractive;
in the further scheme, the reserved gap 9 is located at the end part of the flange plate 4, the beam web plate 3 penetrates through the middle part of the reserved gap 9 and separates the reserved gap 9 into two pipe penetrating channels, the reserved gap 9 can be used as an unstressed part, and the welding of the beam web plate 3 or the transition plate and the steel pipe column 1 is facilitated while the pipeline is conveniently penetrated and arranged.
In a further scheme, the reserved gap 9 is sealed by concrete or elastic sound insulation materials after a pipeline is penetrated, so that the sound insulation problem is solved.
When there is not the infilled wall below the beam column node, should set up articulated node, avoid influencing the building function.
In the description herein, reference to the description of the terms "one embodiment/mode," "some embodiments/modes," "example," "specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment/mode or example is included in at least one embodiment/mode or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to be the same embodiment/mode or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments/modes or examples. Furthermore, the various embodiments/aspects or examples and features of the various embodiments/aspects or examples described in this specification can be combined and combined by one skilled in the art without conflicting therewith.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
It will be understood by those skilled in the art that the foregoing embodiments are merely for clarity of description and are not intended to limit the scope of the utility model. Other variations or modifications will occur to those skilled in the art based on the foregoing disclosure and are within the scope of the utility model.
Claims (10)
1. A steel structure node, its characterized in that: comprises a steel pipe column (1) and an I-shaped steel beam (2);
the steel beam (2) comprises a beam web plate (3) and flange plates (4) positioned on two sides of the beam web plate (3);
the end part of the beam web plate (3) is fixed on the outer side of the steel pipe column (1);
the at least one flange plate (4) is fixedly connected with the steel pipe column (1) through a flange connecting plate (5), wherein the flange connecting plate (5) is vertically fixed on the side surface of the flange plate (4), and the end surface of the flange connecting plate (5) is fixed on the outer side of the steel pipe column (1);
the steel pipe column (1) is provided with a force transmission plate corresponding to each flange connecting plate (5) so that the vertical force of the steel beam (2) is transmitted to the steel pipe column (1) through the force transmission plate.
2. A steel structure node as defined in claim 1, wherein: the force transmission plate and the flange connecting plate (5) are opposite and arranged in the same plane.
3. A steel structure node as claimed in claim 2, wherein: the force transmission plate is at least one of a side plate (10) of the steel pipe column (1) and a partition plate (6) arranged in the inner cavity of the steel pipe column (1).
4. A steel structure node as defined in claim 1, wherein: the flange connecting plate (5) is connected with the steel pipe column (1) and the flange connecting plate (5) is connected with the flange plate (4) in a welding mode; and/or
The beam web (3) is connected with the steel pipe column (1) in a welding mode, or is connected through a transition plate, one end of the transition plate is in threaded connection or welded to the beam web (3), and the other end of the transition plate is in threaded connection or welded to the steel pipe column (1).
5. A steel structure node as defined in claim 1, wherein: the flange connecting plate (5) is integrally formed and comprises a rectangular plate (7) and at least one reinforcing plate (8); the at least one reinforcing plate (8) is arranged on the side surface of the rectangular plate (7) and is coplanar;
the flange connecting plate (5) is provided with one end of the reinforcing plate (8) as a large end and the other end as a small end, and the large end of the flange connecting plate (5) is connected to the steel pipe column (1).
6. The steel structure node of claim 5, wherein: one end of the reinforcing plate (8) far away from the steel pipe column (1) is an inclined plane or a curved surface.
7. The steel structure node of claim 6, wherein: the reinforcing plate (8) is in a right trapezoid shape, and the side faces of the flange connecting plates (5) can be overlapped end to form an integral plate.
8. A steel structure node as defined in claim 1, wherein: at least one reserved gap (9) is reserved between the end face of the flange plate (4) and the outer side face of the steel pipe column (1).
9. The steel structure node of claim 8, wherein: the reserved gap (9) is located at the end part of the flange plate (4), and the beam web plate (3) penetrates through the middle part of the reserved gap (9) and divides the reserved gap (9) into two pipe penetrating channels.
10. A steel structural joint as defined in claim 9, wherein: the reserved gap (9) is sealed by concrete or elastic sound insulation materials after penetrating through the pipeline.
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| CN113756438A (en) * | 2021-10-15 | 2021-12-07 | 青岛新工智建工程有限公司 | Steel structure node |
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| CN113756438A (en) * | 2021-10-15 | 2021-12-07 | 青岛新工智建工程有限公司 | Steel structure node |
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