CN117266357A - A prefabricated joint of concrete-filled steel tube columns and H-shaped steel beams and its construction method - Google Patents
A prefabricated joint of concrete-filled steel tube columns and H-shaped steel beams and its construction method Download PDFInfo
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- CN117266357A CN117266357A CN202311284652.8A CN202311284652A CN117266357A CN 117266357 A CN117266357 A CN 117266357A CN 202311284652 A CN202311284652 A CN 202311284652A CN 117266357 A CN117266357 A CN 117266357A
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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
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
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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
- E04B1/38—Connections for building structures in general
- E04B1/58—Connections for building structures in general of bar-shaped building elements
- E04B1/5806—Connections for building structures in general of bar-shaped building elements with a cross-section having an open profile
- E04B1/5812—Connections for building structures in general of bar-shaped building elements with a cross-section having an open profile of substantially I - or H - form
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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
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
- E04B2001/2406—Connection nodes
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- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The utility model discloses an assembly type node construction method of a concrete filled steel tubular column and an H-shaped steel beam, which comprises the steps of designing a rectangular steel tube, the H-shaped steel beam, a variable-section cantilever short beam, an inner reinforcing plate and an outer reinforcing plate according to external load, node construction characteristics and an installation process; welding the inner reinforcing plate in the rectangular steel pipe to form a reinforcing part; welding a rectangular surface of the variable-section cantilever short beam on a reinforcing part of a rectangular steel pipe, and welding an outer reinforcing plate on the adjacent side of the rectangular steel pipe which is not connected with the variable-section cantilever short beam for reinforcement; pouring a concrete column in the rectangular steel tube to form a steel tube concrete column; and connecting the web plate and the flange of the variable-section cantilever short beam and the H-shaped steel beam through a plurality of connecting steel plates and a plurality of bolts. The utility model reduces the repair difficulty of the steel tube concrete column and the H-shaped steel beam, realizes the rapid repair of the earthquake damage frame structure, and has the beneficial effects of convenient construction, strong applicability and convenient repair.
Description
Technical Field
The utility model relates to the technical field of building industrialization, in particular to an assembled node of a concrete filled steel tubular column and an H-shaped steel beam and a construction method thereof.
Background
Along with the development of informatization and intelligence, the traditional building industry is faced with the requirements of industry transformation and upgrading, and the building industrialization becomes a new development trend of the building industry under the 'double carbon' target. The steel structure member or the steel-concrete combined member occupies a larger proportion in the fabricated building, and the steel structure or the steel-concrete combined structure building is promoted positively and steadily, thereby being beneficial to the rapid development of the fabricated building.
Along with the improvement of the requirements of China on the earthquake-resistant design of buildings and the development of the house building construction technology, the frame structure of the reinforced concrete column in the existing design is mostly in the 'repairable' category except for collapse in the extreme earthquake region. However, economic and social problems caused by earthquakes are still very serious, on one hand, due to the lack of reasonable and effective quick repair, many buildings subjected to main earthquake damage collapse under the repeated action of aftershocks, and the disaster situation is enlarged; on the other hand, the building is seriously damaged in the main earthquake and repeated aftershocks, and is difficult to repair in a short time, so that the normal operation of production and life is affected. Therefore, the reinforcing and repairing technology for the earthquake damage beam column node member has wide application prospect in the field of building reinforcing and repairing. Earthquake relief is a process of a minute and a second, and the rapid recovery of the building after earthquake can provide a good rescue environment for rescue. For the areas far away from the extremely-shock area or the areas with light damages, the damaged buildings in the medium-shock repairable state can be quickly repaired, so that the quick recovery of the production and life of the areas can be ensured, and the fermentation of the people's uneasy emotion is reduced. However, the joint area of the column body of the existing building frame structure and the H-shaped steel beam is weak, so that after the load is transmitted by the H-shaped steel beam steel tube in the earthquake, the joint area of the column body generates flexural deformation, the recovery work of the building frame structure after the earthquake is difficult to be efficiently implemented, and the flexural deformation generated in the joint area of the column body is required to be avoided.
In the prior art, for example, an utility model CN215926280U fabricated beam column node, in this patent, the column is formed by an upper steel column and a lower steel column, and the i-beam is fixedly connected with the upper steel column and the lower steel column respectively through T-shaped connectors, so that the upper steel column, the lower steel column and the i-beam are connected into a whole, but when the building frame structure is shocked, the H-beam steel pipe transmits load to the T-shaped connectors, and then acts on the node area where the column is connected with the T-shaped connectors in a concentrated manner, so that the node area of the column generates flexural deformation, thereby making the recovery work of the building frame structure after the shock difficult to be implemented efficiently.
Therefore, the method has great engineering significance and social significance for researching the rapid recoverable technology of the earthquake damage frame structure.
Disclosure of Invention
It is an object of the present utility model to address at least the above problems and/or disadvantages and to provide at least the advantages described below.
To achieve these objects and other advantages and in accordance with the purpose of the utility model, there is provided a method for constructing an assembled node of a concrete filled steel tubular column and an H-shaped steel beam, comprising the steps of:
step one, designing rectangular steel pipes, H-shaped steel beams, variable-section cantilever short beams, inner reinforcing plates and outer reinforcing plates according to external loads, node construction characteristics and installation processes;
welding the inner reinforcing plate in the rectangular steel pipe to form a reinforcing part;
welding a rectangular surface of the variable-section cantilever short beam on a reinforcing part of a rectangular steel pipe, and welding an outer reinforcing plate on the adjacent side of the rectangular steel pipe which is not connected with the variable-section cantilever short beam for reinforcement;
pouring a concrete column in the rectangular steel tube to form a steel tube concrete column;
and fifthly, connecting the web plate and the flange of the variable-section cantilever short beam and the H-shaped steel beam through a plurality of connecting steel plates and a plurality of bolts.
Preferably, the method for welding the inner reinforcing plate in the rectangular steel pipe comprises the following steps:
and (3) a connecting hole is formed in the to-be-connected area of the rectangular steel pipe and the variable-section cantilever short beam in a penetrating way, and the inner reinforcing plate is inserted into the connecting hole and welded with the two side surfaces of the rectangular steel pipe.
An assembled node of a concrete filled steel tubular column and an H-shaped steel beam comprises the H-shaped steel beam;
the steel pipe concrete column is characterized in that a steel pipe of the steel pipe concrete column is a rectangular steel pipe, and a reinforcing part is arranged on the rectangular steel pipe;
and one end face of the variable-section cantilever short beam is set to be a rectangular face, the rectangular face is welded with the reinforcing part, and the other end part of the variable-section cantilever short beam is detachably connected with the H-shaped steel beam.
Preferably, the reinforcing part is arranged on the rectangular steel pipe in the following manner:
the connecting holes are formed in the two long side sides of the rectangular steel pipe in a penetrating mode, the inner reinforcing plates are welded in the connecting holes, the rectangular surface is welded with the long side sides of the rectangular steel pipe, one side of the rectangular surface is abutted to the inner reinforcing plates, and the other side of the rectangular surface is abutted to the short side of the rectangular steel pipe.
Preferably, an outer reinforcing plate is welded on the short side of the rectangular steel pipe, and the outer reinforcing plate is abutted to the variable-section cantilever short beam.
Preferably, the heights of the inner reinforcing plate and the outer reinforcing plate are larger than the height of the H-shaped steel beam.
Preferably, the manner of arranging the rectangular surface on the variable-section cantilever short beam is as follows:
the web of the variable-section cantilever short beam is arranged to be a Y-shaped web, and the top end of the Y-shaped web is matched with the upper flange and the lower flange to form the rectangular surface.
Preferably, the mode of detachable connection of the variable-section cantilever short beam and the H-shaped steel beam is as follows:
a plurality of connecting steel plates are arranged between the variable-section cantilever short beam and the H-shaped steel beam, and each connecting steel plate is respectively connected with the variable-section cantilever short beam and the H-shaped steel beam through a plurality of bolts.
Preferably, the triangular wedge block further comprises a triangular wedge block, a plurality of high-strength bolts I are arranged at the bottom end of the triangular wedge block in an integrally formed protruding mode, the high-strength bolts I are in through connection with the rectangular steel pipe, the bottom end of the triangular wedge block is welded with the rectangular steel pipe, two inclined planes of the triangular wedge block are abutted to two inner sides of the Y-shaped web plate, and two side ends of the triangular wedge block are abutted to upper flanges and lower flanges of the variable-section cantilever short beam.
Preferably, a high-strength bolt II is also connected between the upper flange and the lower flange of the variable-section cantilever short beam and the triangular wedge block in a penetrating way.
The utility model at least comprises the following beneficial effects:
1. the utility model omits the construction process of cast-in-situ concrete beam and column masonry, not only avoids construction defects caused by construction procedures such as formwork support, dismantling and the like, but also saves the maintenance time of beam and column concrete, greatly accelerates the construction progress, shortens the construction period, ensures the construction quality and saves the cost.
2. The steel tube concrete column adopted by the utility model overcomes the defects of large concrete weight, low tensile strength, easiness in cracking and poor fire resistance of a steel structure, and has the advantages of small dead weight, strong bearing capacity, excellent anti-seismic performance, strong durability, convenience in construction, short construction period and the like.
3. The beam-column joint connection mode adopted by the utility model overcomes the defects of insufficient concrete strength, insufficient ductility and the like in the core area of the reinforced concrete beam-column joint, the adopted variable-section cantilever short beam is welded with the rectangular steel pipe, the original web is replaced by the Y-shaped web, the local connection strength of the beam-column joint is enhanced, and the stress is dispersed.
4. The utility model adopts the factory prefabricated parts, realizes factory standardized construction, reduces the manufacturing error of the parts, is beneficial to building industrialization, not only improves the integrity of the frame structure, but also simplifies the construction process, and has the advantages of convenient construction, short construction period and the like.
5. The prefabricated standard component is adopted, and the prefabricated standard component has the advantages of being detachable, easy to replace, and the like, greatly improves the utilization of steel, reduces the material consumption, reduces the environmental pollution, and provides a guarantee for green construction.
6. The utility model meets the requirements of building industrialization advocated by the country, meets the international main stream, and is beneficial to developing the international market.
Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a schematic diagram of a variable cross-section cantilever short beam connection of the present utility model.
Fig. 3 is a schematic view of a variable cross-section cantilever short beam structure of the present utility model.
Fig. 4 is a schematic view of the connection of the H-beam according to the present utility model.
Fig. 5 is a schematic diagram of the triangle wedge connection of the present utility model.
Fig. 6 is a schematic diagram of a triangle wedge block structure of the present utility model.
Fig. 7 is a schematic diagram of the connection of the high-strength bolt ii of the present utility model.
Detailed Description
The present utility model is described in further detail below with reference to the drawings to enable those skilled in the art to practice the utility model by referring to the description.
It will be understood that terms, such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
It should be noted that, in the description of the present utility model, the orientation or positional relationship indicated by the term is based on the orientation or positional relationship shown in the drawings, which are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "configured to," "engaged with," "connected to," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, may be a detachable connection, or may be integrally connected, may be mechanically connected, may be electrically connected, may be directly connected, may be indirectly connected through an intermediate medium, may be communication between two members, and may be understood in a specific manner by those skilled in the art.
Furthermore, in the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be a direct contact of the first and second features, or an indirect contact of the first and second features through an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
Examples:
the method for constructing the assembled node of the steel tube concrete column 2 and the H-shaped steel beam 1 comprises the following steps:
step one, designing rectangular steel pipes 21, H-shaped steel beams 1, variable-section cantilever short beams 3, inner reinforcing plates 4 and outer reinforcing plates 5 according to external loads, node construction characteristics and installation processes; one end face of the variable-section cantilever short beam 3 is a rectangular face 31, and the other end is H-shaped.
Step two, connecting holes are formed in the to-be-connected areas of the rectangular steel pipe 21 and the variable-section cantilever short beam 3 in a penetrating manner, and the inner reinforcing plate 4 is inserted into the connecting holes and welded with two side surfaces of the rectangular steel pipe 21 to form a reinforcing part; the inner reinforcing plate 4 is inserted into the connecting hole and is welded with the two side surfaces of the rectangular steel pipe 21, so that the longer two sides of the rectangular steel pipe 21 in the joint area are connected and reinforced, and the deflection deformation of the H-shaped steel beam 1 in the length direction of the rectangular steel pipe 21 after load transmission is reduced.
Welding a rectangular surface 31 of the variable-section cantilever short beam 3 on a reinforcing part of the rectangular steel pipe 21, and welding an outer reinforcing plate 5 to reinforce the adjacent part of the rectangular steel pipe 21 which is not connected with the variable-section cantilever short beam 3;
pouring a concrete column 22 in the rectangular steel tube 21 to form a steel tube concrete column 2;
and fifthly, connecting the web plate and the flange of the variable-section cantilever short beam 3 and the H-shaped steel beam 1 through a plurality of connecting steel plates 6 and a plurality of bolts 61.
The actual connection section of the H-shaped steel beam 1 and the steel tube concrete column 2 is effectively increased by the variable section cantilever short beam 3, so that stress concentration is avoided; meanwhile, the H-shaped steel beam 1 can be quickly removed and replaced after being damaged by an earthquake, the installation difficulty of the steel tube concrete column 2 and the H-shaped steel beam 1 is reduced, the earthquake-resistant requirements of 'strong nodes' and quick repair are realized, and the development strategic requirements of building industrialization and green construction advocated by the state are met.
FIG. 1 shows one implementation of an assembled joint of a concrete filled steel tubular column and an H-beam, including an H-beam 1;
a steel pipe concrete column 2 in which a steel pipe is provided as a rectangular steel pipe 21, and a reinforcing part is provided on the rectangular steel pipe 21;
and one end surface of the variable-section cantilever short beam 3 is provided with a rectangular surface 31, the rectangular surface 31 is welded with the reinforcing part, and the other end part of the variable-section cantilever short beam 3 is detachably connected with the H-shaped steel beam 1.
Working principle: the rectangular steel tube 21 of the steel tube concrete column 2 is provided with a reinforcing part, the connection area between the rectangular steel tube 21 and the variable cross-section cantilever short beam 3 is reinforced, so that after the H-shaped steel beam 1 transmits load, the bending deformation of the rectangular steel tube 21 in the cross section length direction is reduced, the end face of the variable cross-section cantilever short beam 3 is set to be a rectangular face 31, the rectangular face 31 is welded with the reinforcing part so as to be in dispersed welding with the rectangular steel tube 21, the effective welding area is increased, the stress concentration is avoided, the connection strength between the steel tube concrete column 2 and the variable cross-section cantilever short beam 3 is reinforced through the arrangement of the reinforcing part and the rectangular face 31, and after the variable cross-section cantilever short beam 3 is connected with the steel tube concrete column 2, the H-shaped steel beam 1 and the variable cross-section cantilever short beam 3 are detachably connected; after the H-shaped steel beam 1 is damaged by an earthquake, the variable-section cantilever short beam 3 is connected with the steel tube concrete column 2 in a high strength manner, so that the damage to the H-shaped steel beam can be avoided, the damaged H-shaped steel beam 1 can be quickly removed from the variable-section cantilever short beam 3, and a new H-shaped steel beam 1 can be replaced; in the technical scheme, the H-shaped steel beam 1 can be quickly removed and replaced after being damaged by an earthquake, the repair difficulty of the steel tube concrete column 2 and the H-shaped steel beam 1 is reduced, the quick repair of the earthquake damage frame structure is realized, and the method has the beneficial effects of convenience in construction, strong applicability and convenience in repair.
In the above-described embodiment, the reinforcing portion is provided on the rectangular steel pipe 21 in the following manner:
the two long sides of the rectangular steel pipe 21 are penetrated and provided with connecting holes, the inner reinforcing plate 4 is welded in the connecting holes, the rectangular surface 31 is welded with the long sides of the rectangular steel pipe 21, one side of the rectangular surface 31 is abutted to the inner reinforcing plate 4, and the other side of the rectangular surface 31 is abutted to the short sides of the rectangular steel pipe 21.
Working principle: when the steel tube is built, a connecting hole is vertically formed in the area to be connected with the variable-section cantilever short beam 3 on the rectangular steel tube 21 in a penetrating manner, the inner reinforcing plate 4 is inserted into the connecting hole, then the inner reinforcing plate 4 is welded with two side surfaces of the rectangular steel tube 21, the rectangular steel tube 21 is poured in the rectangular steel tube 21 after the welding is finished, the steel tube concrete column 2 with the reinforcing part is formed, after the rectangular surface 31 of the variable-section cantilever short beam 3 is welded with the long side of the rectangular steel tube 21, one side of the rectangular surface 31 is abutted against the inner reinforcing plate 4, and the connecting strength of the variable-section cantilever short beam 3 and the rectangular steel tube 21 is reinforced in a setting mode that the other side of the rectangular surface 31 is abutted against the short side of the rectangular steel tube 21, so that the deflection deformation of the rectangular steel tube 21 in the length direction after the H-shaped steel is transmitted is reduced.
In the above-mentioned scheme, the short side of the rectangular steel pipe 21 is further welded with an outer reinforcing plate 5, and the outer reinforcing plate 5 is abutted against the variable-section cantilever short beam 3.
Working principle: after the rectangular surface 31 of the variable-section cantilever short beam 3 is welded on the reinforcing part of the rectangular steel pipe 21, the outer reinforcing plate 5 is welded on the adjacent side, which is not connected with the variable-section cantilever short beam 3, of the rectangular steel pipe 21 to be reinforced, and the deformation resistance and the bearing performance of the connecting area of the rectangular steel pipe 21 are enhanced by matching the inner reinforcing plate 4 and the outer reinforcing plate 5.
In the above scheme, the heights of the inner reinforcing plate 4 and the outer reinforcing plate 5 are larger than the height of the H-shaped steel beam 1. By such arrangement, the reinforcing effect of the inner reinforcing plate 4 and the outer reinforcing plate 5 on the rectangular steel pipe 21 is ensured.
In the above scheme, the manner in which the rectangular surface 31 is provided for the variable cross-section cantilever short beam 3 is as follows:
the web of the variable-section cantilever short beam 3 is provided with a Y-shaped web 32, and the top end of the Y-shaped web 32 is matched with an upper flange and a lower flange to form the rectangular surface 31.
Working principle: the single web of the variable-section cantilever short beam 3 is replaced by the Y-shaped web 32, the Y-shaped web 32 is matched with the upper flange and the lower flange, one end of the variable-section cantilever short beam 3 is a rectangular surface 31, the other end of the variable-section cantilever short beam 3 is an H-shaped end, the rectangular surface 31 and the rectangular steel pipe 21 are subjected to scattered welding, and the effective welding area of the variable-section cantilever short beam 3 and the rectangular steel pipe 21 is increased, so that stress concentration is avoided, the H-shaped end of the variable-section cantilever short beam 3 is detachably connected with the H-shaped steel beam 1, and the connection strength is ensured.
In the above scheme, the mode of detachable connection of the variable cross-section cantilever short beam 3 and the H-shaped steel beam 1 is as follows:
a plurality of connecting steel plates 6 are arranged between the variable-section cantilever short beam 3 and the H-shaped steel beam 1, and each connecting steel plate 6 is respectively connected with the variable-section cantilever short beam 3 and the H-shaped steel beam 1 through a plurality of bolts 61.
Working principle: the plurality of connecting steel plates 6 are respectively connected with the variable-section cantilever short beams 3 and the H-shaped steel beams 1 through the plurality of bolts 61, so that the connection stability of the connecting steel plates 6 and the variable-section cantilever short beams 3 and the H-shaped steel beams 1 is guaranteed, the variable-section cantilever short beams 3 and the H-shaped steel beams 1 are limited and supported through the plurality of connecting steel plates 6, the connection strength and the stability of the variable-section cantilever short beams 3 and the H-shaped steel beams 1 are guaranteed, and in such a connection mode, after the H-shaped steel beams 1 are damaged by an earthquake, the damaged H-shaped steel beams 1 can be conveniently and rapidly removed from the variable-section cantilever short beams 3, and new H-shaped steel beams 1 can be conveniently replaced.
In the scheme, the welding fixture further comprises a triangular wedge block 7, a plurality of high-strength bolts I71 are arranged at the bottom end of the triangular wedge block in an integrally formed protruding mode, the high-strength bolts I71 are in through connection with the rectangular steel pipe 21, the bottom end of the triangular wedge block 7 is welded with the rectangular steel pipe 21, two inclined planes of the triangular wedge block 7 are abutted to two inner sides of the Y-shaped web plate 32, and two side ends of the triangular wedge block 7 are abutted to upper flanges and lower flanges of the variable-section cantilever short beam 3.
The bottom edge of the triangular wedge block 7 is provided with a welding groove, and the triangular wedge block 7 is welded with the rectangular steel pipe 21 through the welding groove.
Working principle: the triangular wedge block 7 is connected to the rectangular steel pipe 21 in a penetrating mode through the plurality of high-strength bolts I71, the bottom end of the triangular wedge block 7 is connected with the rectangular steel pipe 21 in a welding mode, the concrete column 22 is poured in the rectangular steel pipe 21, after the concrete column 2 is formed, stable high-strength connection is formed between the triangular wedge block 7 and the rectangular steel pipe 21, when the variable cross-section cantilever short beam 3 receives transverse load, two inclined planes of the triangular wedge block 7 are abutted against two inner sides of the Y-shaped web 32, transverse load received by the variable cross-section cantilever short beam 3 is borne, when the variable cross-section cantilever short beam 3 receives longitudinal load, the two side ends of the triangular wedge block 7 are abutted against upper flanges and lower flanges of the variable cross-section cantilever short beam 3, longitudinal load received by the variable cross-section cantilever short beam 3 is borne, accordingly, the bearing performance of the joint of the rectangular steel pipe 21 and the variable cross-section cantilever short beam 3 is enhanced, the connection strength of the rectangular steel pipe 21 and the variable cross-section cantilever short beam 3 is improved, and the welding groove arranged at the bottom end edge of the triangular wedge block 7 is abutted against the two inclined planes, and the triangular wedge block 7 is prevented from being matched with the variable cross-section cantilever short beam 7 in a welding mode.
In the above scheme, a high-strength bolt ii 8 is further connected between the upper and lower flanges of the variable-section cantilever short beam 3 and the triangular wedge block 7. The axial displacement of the variable-section cantilever short beam 3 is limited by the connection mode that the high-strength bolts II 8 penetrate through the upper flange and the lower flange of the variable-section cantilever short beam 3 and the triangular wedge block 7, and when the rectangular surface 31 is separated from the rectangular steel pipe 21 by welding, the variable-section cantilever short beam 3 can be limited and connected to the rectangular steel pipe 21 by the cooperation of the high-strength bolts II 8 and the triangular wedge block 7, so that the supporting and connecting effect of the variable-section cantilever short beam 3 to the H-shaped steel beam 1 is ensured.
Although embodiments of the present utility model have been disclosed above, it is not limited to the details and embodiments shown and described, it is well suited to various fields of use for which the utility model would be readily apparent to those skilled in the art, and accordingly, the utility model is not limited to the specific details and illustrations shown and described herein, without departing from the general concepts defined in the claims and their equivalents.
Claims (10)
1. The method for constructing the assembled node of the concrete filled steel tube column and the H-shaped steel beam is characterized by comprising the following steps of:
step one, designing rectangular steel pipes, H-shaped steel beams, variable-section cantilever short beams, inner reinforcing plates and outer reinforcing plates according to external loads, node construction characteristics and installation processes;
welding the inner reinforcing plate in the rectangular steel pipe to form a reinforcing part;
welding a rectangular surface of the variable-section cantilever short beam on a reinforcing part of a rectangular steel pipe, and welding an outer reinforcing plate on the adjacent side of the rectangular steel pipe which is not connected with the variable-section cantilever short beam for reinforcement;
pouring a concrete column in the rectangular steel tube to form a steel tube concrete column;
and fifthly, connecting the web plate and the flange of the variable-section cantilever short beam and the H-shaped steel beam through a plurality of connecting steel plates and a plurality of bolts.
2. The method for constructing the assembled node of the steel tube concrete column and the H-shaped steel beam according to claim 1, wherein the method for welding the inner reinforcing plate in the rectangular steel tube is as follows:
and (3) a connecting hole is formed in the to-be-connected area of the rectangular steel pipe and the variable-section cantilever short beam in a penetrating way, and the inner reinforcing plate is inserted into the connecting hole and welded with the two side surfaces of the rectangular steel pipe.
3. A fabricated node of a concrete filled steel tubular column and an H-beam constructed by the construction method of claim 1, comprising an H-beam, characterized in that:
the steel pipe concrete column is characterized in that a steel pipe of the steel pipe concrete column is a rectangular steel pipe, and a reinforcing part is arranged on the rectangular steel pipe;
and one end face of the variable-section cantilever short beam is set to be a rectangular face, the rectangular face is welded with the reinforcing part, and the other end part of the variable-section cantilever short beam is detachably connected with the H-shaped steel beam.
4. A concrete filled steel tubular column and H-beam fabricated node according to claim 3, wherein the rectangular steel tube is provided with a reinforcing portion by:
the connecting holes are formed in the two long side sides of the rectangular steel pipe in a penetrating mode, the inner reinforcing plates are welded in the connecting holes, the rectangular surface is welded with the long side sides of the rectangular steel pipe, one side of the rectangular surface is abutted to the inner reinforcing plates, and the other side of the rectangular surface is abutted to the short side of the rectangular steel pipe.
5. The concrete filled steel tubular column and H-beam fabricated node of claim 4, wherein an outer reinforcing plate is welded to the short side of the rectangular steel tube and is in proximity to the variable cross-section cantilever short beam.
6. The concrete filled steel tubular column and H-beam fabricated node of claim 5, wherein the inner and outer reinforcement plates are each greater than the H-beam.
7. A concrete filled steel tubular column and H-beam fabricated node according to claim 3, wherein the variable cross-section cantilever short beam is provided with a rectangular surface in the following manner:
the web of the variable-section cantilever short beam is arranged to be a Y-shaped web, and the top end of the Y-shaped web is matched with the upper flange and the lower flange to form the rectangular surface.
8. A concrete filled steel tubular column and H-beam fabricated node according to claim 3, wherein the manner in which the variable section cantilever short beam is detachably connected to the H-beam is:
a plurality of connecting steel plates are arranged between the variable-section cantilever short beam and the H-shaped steel beam, and each connecting steel plate is respectively connected with the variable-section cantilever short beam and the H-shaped steel beam through a plurality of bolts.
9. The assembled node of a concrete filled steel tube column and an H-shaped steel beam according to claim 7, further comprising a triangular wedge block, wherein a plurality of high-strength bolts I are integrally formed at the bottom end of the triangular wedge block in a protruding mode, the high-strength bolts I are connected to the rectangular steel tube in a penetrating mode, the bottom end of the triangular wedge block is welded to the rectangular steel tube, two inclined planes of the triangular wedge block are abutted to two inner sides of the Y-shaped web, and two side ends of the triangular wedge block are abutted to upper flanges and lower flanges of the variable-section cantilever short beam.
10. The assembled node of the steel tube concrete column and the H-shaped steel beam according to claim 9, wherein a high-strength bolt II is further connected between the upper flange and the lower flange of the variable-section cantilever short beam and the triangular wedge block in a penetrating manner.
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| CN202311284652.8A CN117266357A (en) | 2023-10-07 | 2023-10-07 | A prefabricated joint of concrete-filled steel tube columns and H-shaped steel beams and its construction method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115787835A (en) * | 2022-11-29 | 2023-03-14 | 中国十九冶集团有限公司 | Self-resetting layered assembled steel frame beam-column joint structure |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103469902A (en) * | 2013-09-27 | 2013-12-25 | 中北大学 | Full-rigidity steel pipe concrete column connecting node |
| KR101349649B1 (en) * | 2012-11-22 | 2014-01-09 | 주식회사 액트파트너 | Composite structure of bulit-up steel-girder with reinforced end unit |
| CN204609003U (en) * | 2015-05-13 | 2015-09-02 | 云南建工钢结构有限公司 | A kind of box node be connected with Flat steel pipe concrete column for girder steel |
| CN110145024A (en) * | 2019-06-25 | 2019-08-20 | 安徽建筑大学 | A prefabricated beam-column joint using pressure-bearing steel plates |
| KR102001041B1 (en) * | 2019-03-06 | 2019-10-01 | 주식회사 아이에스중공업 | Joint structure between the cft square column and the steel girder |
| CN216195518U (en) * | 2021-10-21 | 2022-04-05 | 中国建筑西南设计研究院有限公司 | Steel structure beam column connecting node |
| CN216195519U (en) * | 2021-10-21 | 2022-04-05 | 中国建筑西南设计研究院有限公司 | Steel structure beam column connecting node |
| CN218437467U (en) * | 2022-06-23 | 2023-02-03 | 中南建筑设计院股份有限公司 | Novel steel core concrete column and girder steel node |
| CN218508699U (en) * | 2022-10-08 | 2023-02-21 | 中国市政工程西北设计研究院有限公司 | Connection structure of factory building bracket |
| CN115772955A (en) * | 2022-11-30 | 2023-03-10 | 东南大学 | Double-steel-plate concrete coupled shear wall system and installation method |
-
2023
- 2023-10-07 CN CN202311284652.8A patent/CN117266357A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101349649B1 (en) * | 2012-11-22 | 2014-01-09 | 주식회사 액트파트너 | Composite structure of bulit-up steel-girder with reinforced end unit |
| CN103469902A (en) * | 2013-09-27 | 2013-12-25 | 中北大学 | Full-rigidity steel pipe concrete column connecting node |
| CN204609003U (en) * | 2015-05-13 | 2015-09-02 | 云南建工钢结构有限公司 | A kind of box node be connected with Flat steel pipe concrete column for girder steel |
| KR102001041B1 (en) * | 2019-03-06 | 2019-10-01 | 주식회사 아이에스중공업 | Joint structure between the cft square column and the steel girder |
| CN110145024A (en) * | 2019-06-25 | 2019-08-20 | 安徽建筑大学 | A prefabricated beam-column joint using pressure-bearing steel plates |
| CN216195518U (en) * | 2021-10-21 | 2022-04-05 | 中国建筑西南设计研究院有限公司 | Steel structure beam column connecting node |
| CN216195519U (en) * | 2021-10-21 | 2022-04-05 | 中国建筑西南设计研究院有限公司 | Steel structure beam column connecting node |
| CN218437467U (en) * | 2022-06-23 | 2023-02-03 | 中南建筑设计院股份有限公司 | Novel steel core concrete column and girder steel node |
| CN218508699U (en) * | 2022-10-08 | 2023-02-21 | 中国市政工程西北设计研究院有限公司 | Connection structure of factory building bracket |
| CN115772955A (en) * | 2022-11-30 | 2023-03-10 | 东南大学 | Double-steel-plate concrete coupled shear wall system and installation method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115787835A (en) * | 2022-11-29 | 2023-03-14 | 中国十九冶集团有限公司 | Self-resetting layered assembled steel frame beam-column joint structure |
| CN115787835B (en) * | 2022-11-29 | 2024-09-17 | 中国十九冶集团有限公司 | Layered assembled steel frame beam column node structure capable of self-resetting |
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