CN107327029B - Steel pipe concrete column-girder steel assembled space node - Google Patents
Steel pipe concrete column-girder steel assembled space node Download PDFInfo
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- CN107327029B CN107327029B CN201710756327.5A CN201710756327A CN107327029B CN 107327029 B CN107327029 B CN 107327029B CN 201710756327 A CN201710756327 A CN 201710756327A CN 107327029 B CN107327029 B CN 107327029B
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 257
- 239000010959 steel Substances 0.000 title claims abstract description 257
- 238000003466 welding Methods 0.000 claims abstract description 53
- 238000010008 shearing Methods 0.000 claims description 46
- 230000007547 defect Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 230000002411 adverse Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 230000035939 shock Effects 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 7
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009435 building construction Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/185—Connections not covered by E04B1/21 and E04B1/2403, e.g. connections between structural parts of different material
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- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Joining Of Building Structures In Genera (AREA)
- Rod-Shaped Construction Members (AREA)
Abstract
The steel pipe concrete column-girder steel assembled space node belongs to the technical field of steel structure engineering, and is characterized in that a main cover plate, an auxiliary rib plate, an auxiliary cover plate, a main shear plate and an auxiliary shear plate are arranged in the steel pipe concrete column, bolt holes are reserved in the main girder steel and the auxiliary girder steel, and when the steel pipe concrete column is assembled on site, the main girder steel and the auxiliary girder steel are assembled and connected with the steel pipe concrete column through bolts. The node allows the components to be prefabricated in a factory and only to be assembled on site by bolts, so that adverse effects of site welding defects on the anti-seismic performance of the node can be avoided; the method can be applied to the condition of space nodes of the steel pipe concrete column and the steel beam, which are connected by beams in two vertical directions; the bearing capacity of the node can be improved by using the internally filled concrete; the bearing capacity, rigidity and yield mode of the node can be adjusted by adjusting the number and arrangement of the bolts, the specification of the main cover plate and the specification of the auxiliary cover plate, so that the ductility and the shock resistance of the node are improved.
Description
Technical Field
The application belongs to the technical field of structural engineering steel structures, and particularly relates to a concrete filled steel tubular column-steel beam assembly type space node.
Background
Along with the development of economy and society, the application of the steel tube concrete column in multi-story high-rise buildings is wider and wider, but along with the shorter and shorter requirements on construction period and higher requirements on energy conservation and environmental protection in building construction, the defects of the traditional steel tube concrete column-steel beam nodes in the prior art are gradually revealed. Because the traditional concrete filled steel tubular column-steel beam joint in the prior art is mainly installed by adopting a field welding process, the installation speed is low, the construction energy consumption is high, and the full assembly construction is difficult to realize; in the prior art, the transmission of the flange tension force after the upper flange of the traditional concrete filled steel tube column-steel beam joint and the outer wall plate of the concrete filled steel tube column are welded is usually realized by locally bending the wall plate of the outer steel tube, so that the bearing capacity of the joint cannot be fully improved by using the filled concrete; meanwhile, the earthquake resistance of the traditional concrete filled steel tubular column-steel beam joint in the prior art is greatly influenced by the field welding quality. How to realize the fully assembled connection between the steel pipe concrete column and the steel beam in the multi-story and high-rise building on the basis of ensuring the bearing capacity of the node by using the internally filled concrete is a problem to be solved in actual engineering.
Accordingly, there is a great need for a concrete filled steel tubular column-steel beam assembly type space node that overcomes the above-described drawbacks of the prior art.
Disclosure of Invention
The present application aims to solve the above-mentioned technical problems existing in the prior art. Therefore, the application provides a steel pipe concrete column-steel beam assembled space node, which can realize the problem of realizing the full-assembled connection between the steel pipe concrete column and the steel beam in a multi-story high-rise building on the basis of ensuring the bearing capacity of the node by utilizing the internally filled concrete.
The node can realize that the components are prefabricated in factories and only are subjected to bolt assembly operation on construction sites without field welding, realize full-assembly connection between two vertical steel beams and a steel tube concrete column, and fully utilize the filled concrete to improve the bearing capacity of the node.
In order to achieve the purpose, the application provides the technical scheme of two sets of steel tube concrete column-steel beam assembly type space nodes.
The application provides a set of scheme as follows.
A concrete filled steel tubular column-steel beam assembled spatial node, comprising: the device comprises an outer steel pipe, a main cover plate, an auxiliary rib plate, an auxiliary cover plate, a main shear plate and an auxiliary shear plate;
the inside of the outer steel pipe is provided with a space filled with concrete, corresponding positions on two corresponding surfaces in the main direction of the outer steel pipe are provided with transverse long grooves, the main cover plate penetrates through the outer steel pipe through the transverse long grooves, and the main cover is connected with the outer steel pipe through welding; longitudinal long grooves are formed in corresponding positions on two corresponding surfaces of the outer steel pipe in the auxiliary direction perpendicular to the main direction, the auxiliary rib plates penetrate through the outer steel pipe through the longitudinal long grooves, and the auxiliary rib plates are connected with the outer steel pipe through welding; the auxiliary cover plate is arranged on the outer side of the outer steel pipe in the auxiliary direction and is connected with the outer steel pipe and the auxiliary rib plate through welding respectively; the main shearing plate is arranged on the outer side of the outer steel pipe in the main direction, and the main shearing plate is connected with the outer steel pipe through bolts or welding; the auxiliary shearing plate is arranged on the outer side of the outer steel pipe in the auxiliary direction, and the auxiliary shearing plate is connected with the outer steel pipe through bolts or welding; and bolt holes are reserved in the corresponding positions of the main cover plate, the auxiliary cover plate, the main shearing plate and the auxiliary shearing plate.
Preferably, the outer steel tube is rectangular and has four sides; the main cover plate is of a rectangular plate-shaped structure with both ends in an equilateral trapezoid; the auxiliary rib plate is of an isosceles trapezoid beam-shaped structure; the auxiliary cover plate is of a rectangular plate-shaped structure; the main shearing plate is of a rectangular plate-shaped structure; the auxiliary shearing plate is of a rectangular plate-shaped structure.
Preferably, the main cover plate is provided with a concrete through hole at a position inside the outer steel beam.
Preferably, the main direction may not connect or connect one or both of the main steel beams; one or two auxiliary steel beams can be connected in the auxiliary direction.
Preferably, when only the secondary steel beam is connected and the primary steel beam is not connected, one or both of the primary deck plate or the primary shear plate may not be provided.
Preferably, the main steel beam is in an I-shaped steel structure, and the main steel beam consists of a main beam flange and a main beam web; the auxiliary steel beam is of an I-shaped steel structure and consists of an auxiliary beam flange and an auxiliary beam web plate; and bolt holes are reserved in corresponding positions of the main girder flange, the main girder web, the auxiliary girder flange and the auxiliary girder web.
Preferably, during on-site assembly, the main beam flange is connected with the main cover plate through bolts, the main beam web is connected with the main shearing plate through bolts, the auxiliary beam flange is connected with the auxiliary cover plate through bolts, the auxiliary beam web is connected with the auxiliary shearing plate through bolts, and the inner filling concrete is injected into the outer steel beam through the concrete through holes in the main cover plate.
Another set of schemes proposed by the present application is as follows.
A concrete filled steel tubular column-steel beam assembled spatial node, comprising: the device comprises an outer steel pipe, a main cover plate, an auxiliary rib plate, an auxiliary cover plate, a main shear plate, an auxiliary shear plate, an inner transverse plate and an inner longitudinal plate;
the inside of the outer steel pipe is provided with a space filled with concrete, the main cover plates are arranged on two corresponding surfaces of the outer main direction of the outer steel pipe, and the main cover plates are connected with the outer steel pipe through welding; the inner transverse plate is arranged at the position, corresponding to the main cover plate, of the inner side of the outer steel pipe, and the inner transverse plate is connected with the outer steel pipe through welding; the auxiliary rib plates are arranged on two corresponding surfaces of the outer side of the outer steel pipe in the auxiliary direction perpendicular to the main direction, and the auxiliary rib plates are connected with the outer steel pipe through welding; an inner longitudinal plate is arranged at a position corresponding to the auxiliary rib plate on the inner side of the outer steel pipe, and the inner longitudinal plate is connected with the outer steel pipe through welding; an auxiliary cover plate is arranged on the outer side of the outer steel pipe in the auxiliary direction, and the auxiliary cover plate is connected with the outer steel pipe and the auxiliary rib plate through welding respectively; a main shearing plate is arranged on the outer side of the outer steel pipe in the main direction, and the main shearing plate is connected with the outer steel pipe through bolts or welding; an auxiliary shearing plate is arranged on the outer side of the outer steel pipe in the auxiliary direction, and the auxiliary shearing plate is connected with the outer steel pipe through bolts or welding; and bolt holes are reserved in the corresponding positions of the main cover plate, the auxiliary cover plate, the main shearing plate and the auxiliary shearing plate.
Preferably, the outer steel tube is rectangular and has four sides; the main cover plate is of an equilateral trapezoid plate-shaped structure; the auxiliary rib plate is of a trapezoid beam-shaped structure; the auxiliary cover plate is of a rectangular plate-shaped structure; the main shearing plate is of a rectangular plate-shaped structure; the auxiliary shearing plate is of a rectangular plate-shaped structure; the inner transverse plate is of a rectangular plate-shaped structure; the inner longitudinal plate is of a cuboid beam-shaped structure.
Preferably, a concrete through hole is reserved on the inner transverse plate.
Preferably, the main direction may not connect or connect one or both of the main steel beams; one or two auxiliary steel beams can be connected in the auxiliary direction.
Preferably, when only the secondary steel beam is connected and the primary steel beam is not connected, one, two or all of the primary deck plate, the primary shear plate or the inner cross plate may not be provided.
Preferably, the main steel beam is in an I-shaped steel structure, and the main steel beam consists of a main beam flange and a main beam web; the auxiliary steel beam is of an I-shaped steel structure and consists of an auxiliary beam flange and an auxiliary beam web plate; and bolt holes are reserved in corresponding positions of the main girder flange, the main girder web, the auxiliary girder flange and the auxiliary girder web.
Preferably, during on-site assembly, the main beam flange is connected with the main cover plate through bolts, the main beam web is connected with the main shearing plate through bolts, the auxiliary beam flange is connected with the auxiliary cover plate through bolts, the auxiliary beam web is connected with the auxiliary shearing plate through bolts, and the inner filling concrete is injected into the outer steel beam through the concrete through holes in the inner transverse plates.
The steel tube concrete column-steel beam assembly type space node has the beneficial effects that:
(1) The beam and column members can be prefabricated in a factory, and only the bolt splicing is needed on site without welding, so that the rapid construction is convenient, and the adverse effect of site welding defects on the seismic performance of the node can be avoided;
(2) The method can be applied to the condition of space nodes of the steel pipe concrete column and the steel beam, which are connected by beams in two vertical directions;
(3) The tensile force of the beam tension flange is transmitted to the wall plates at two sides of the outer steel pipe through the main cover plate (or the main cover plate and the inner transverse plate) and the auxiliary rib plates (or the auxiliary rib plates and the inner longitudinal plate), so that the bearing capacity of the node can be improved by using the filled concrete;
(4) The bearing capacity, rigidity and yield mode of the node can be adjusted by adjusting the number and arrangement of the bolts, the specification of the main cover plate and the specification of the auxiliary cover plate, so that the ductility and the shock resistance of the node are improved.
Drawings
FIG. 1 is a schematic perspective view of an assembled space node of a concrete filled steel tubular column and a steel beam according to the present application.
Fig. 2 is a top view of the assembled space node of the steel core concrete column-steel beam of the present application.
Fig. 3 is a front view of the assembled space node of the concrete filled steel tubular column-steel beam of the present application.
FIG. 4 is a cross-sectional view of section 1-1 of the assembled space node of the steel core concrete column-steel beam of the present application.
Fig. 5 is a side view of the assembled space node of the concrete filled steel tubular column-steel beam of the present application.
FIG. 6 is a 2-2 cross-sectional view of a fabricated space node of a concrete filled steel tubular column-steel beam in accordance with the present application.
Fig. 7 is a plan view of a second embodiment of the assembled space node of the steel tubular concrete column and the steel beam of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application become more apparent, the technical solutions in the embodiments of the present application will be described in more detail below with reference to the accompanying drawings in the embodiments of the present application. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are some, but not all, embodiments of the application. The embodiments described below, together with the words of orientation, are exemplary and intended to explain the application and should not be taken as limiting the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application. Embodiments of the present application will be described in detail below with reference to the accompanying drawings.
In one broad embodiment of the application, a concrete filled steel tubular column-steel beam fabricated space node comprises: the device comprises an outer steel pipe, a main cover plate, an auxiliary rib plate, an auxiliary cover plate, a main shear plate and an auxiliary shear plate;
the inside of the outer steel pipe is provided with a space filled with concrete, corresponding positions on two corresponding surfaces in the main direction of the outer steel pipe are provided with transverse long grooves, the main cover plate penetrates through the outer steel pipe through the transverse long grooves, and the main cover is connected with the outer steel pipe through welding; longitudinal long grooves are formed in corresponding positions on two corresponding surfaces of the outer steel pipe in the auxiliary direction perpendicular to the main direction, the auxiliary rib plates penetrate through the outer steel pipe through the longitudinal long grooves, and the auxiliary rib plates are connected with the outer steel pipe through welding; the auxiliary cover plate is arranged on the outer side of the outer steel pipe in the auxiliary direction and is connected with the outer steel pipe and the auxiliary rib plate through welding respectively; the main shearing plate is arranged on the outer side of the outer steel pipe in the main direction, and the main shearing plate is connected with the outer steel pipe through bolts or welding; the auxiliary shearing plate is arranged on the outer side of the outer steel pipe in the auxiliary direction, and the auxiliary shearing plate is connected with the outer steel pipe through bolts or welding; and bolt holes are reserved in the corresponding positions of the main cover plate, the auxiliary cover plate, the main shearing plate and the auxiliary shearing plate.
In another broad embodiment of the application, a concrete filled steel tubular column-steel beam fabricated space node comprises: the device comprises an outer steel pipe, a main cover plate, an auxiliary rib plate, an auxiliary cover plate, a main shear plate, an auxiliary shear plate, an inner transverse plate and an inner longitudinal plate;
the inside of the outer steel pipe is provided with a space filled with concrete, the main cover plates are arranged on two corresponding surfaces of the outer main direction of the outer steel pipe, and the main cover plates are connected with the outer steel pipe through welding; the inner transverse plate is arranged at the position, corresponding to the main cover plate, of the inner side of the outer steel pipe, and the inner transverse plate is connected with the outer steel pipe through welding; the auxiliary rib plates are arranged on two corresponding surfaces of the outer side of the outer steel pipe in the auxiliary direction perpendicular to the main direction, and the auxiliary rib plates are connected with the outer steel pipe through welding; an inner longitudinal plate is arranged at a position corresponding to the auxiliary rib plate on the inner side of the outer steel pipe, and the inner longitudinal plate is connected with the outer steel pipe through welding; an auxiliary cover plate is arranged on the outer side of the outer steel pipe in the auxiliary direction, and the auxiliary cover plate is connected with the outer steel pipe and the auxiliary rib plate through welding respectively; a main shearing plate is arranged on the outer side of the outer steel pipe in the main direction, and the main shearing plate is connected with the outer steel pipe through bolts or welding; an auxiliary shearing plate is arranged on the outer side of the outer steel pipe in the auxiliary direction, and the auxiliary shearing plate is connected with the outer steel pipe through bolts or welding; and bolt holes are reserved in the corresponding positions of the main cover plate, the auxiliary cover plate, the main shearing plate and the auxiliary shearing plate.
The space node can realize the problem of fully assembled connection between the steel pipe concrete column and the steel beam in the multi-story high-rise building on the basis of ensuring the bearing capacity of the node by utilizing the internally filled concrete. The node can realize that the components are prefabricated in factories and only are subjected to bolt assembly operation on construction sites without site welding, realize the full-assembly connection between two vertical steel beams and a concrete filled steel tube column, and fully utilize the filled concrete to improve the bearing capacity of the node
The details of the construction and operation of the present application will be further described with reference to the accompanying drawings and examples.
Example 1 (see fig. 1-6): the application relates to a concrete filled steel tubular column-steel beam assembly type space node. The steel pipe concrete column comprises an outer steel pipe 11 and an inner filling concrete 12. A transverse long groove is formed in the main direction of the outer steel pipe 11, and the main cover plate 13 penetrates through the outer steel pipe 11 through the transverse long groove and is connected with the outer steel pipe 11 through a welding line; a longitudinal long groove is formed in the outer steel pipe 11 in a secondary direction perpendicular to the main direction, and a secondary rib plate 14 penetrates through the outer steel pipe 11 through the longitudinal long groove and is connected with the outer steel pipe 11 through a welding line; a secondary cover plate 15 is arranged on the outer side of the outer steel pipe 11 in the secondary direction, and the secondary cover plate 15 is connected with the outer steel pipe 11 and the secondary rib plate 14 through welding seams; a main shear plate 16 is arranged on the outer side of the outer steel pipe 11 in the main direction, and the main shear plate 16 is connected with the outer steel pipe 11 through bolts or welding seams; a secondary shear plate 17 is provided on the outer side of the outer steel pipe 11 in the secondary direction, and the secondary shear plate 17 is connected to the outer steel pipe 11 by bolts or welds. The main cover plate 13, the auxiliary cover plate 15, the main shear plate 16 and the auxiliary shear plate 17 are reserved with bolt holes according to the requirement; preferably, the main cover 13 reserves a concrete passing hole inside the outer steel pipe 11.
The main steel beam consists of a main beam flange 21 and a main beam web 22; the auxiliary girder consists of an auxiliary girder flange 31 and an auxiliary girder web 32. The main beam flange 21, the main beam web 22, the auxiliary beam flange 31 and the auxiliary beam web 32 are reserved with bolt holes according to the requirement. In the field assembly, the main beam flange 21 is connected with the main cover plate 13 through bolts, the main beam web 22 is connected with the main shear plate 16 through bolts, the auxiliary beam flange 31 is connected with the auxiliary cover plate 15 through bolts, and the auxiliary beam web 32 is connected with the auxiliary shear plate 17 through bolts.
According to the actual engineering requirements, one or two main steel beams can be connected in the main direction, and one or two auxiliary steel beams can be connected in the auxiliary direction; only the secondary steel beams may be connected, and the primary steel beams may not be connected, and any one or both of the primary deck plate 13 and the primary shear plate 16 may not be provided at this time.
Example 2 (see fig. 3, 5, 7): the application relates to a concrete filled steel tubular column-steel beam assembly type space node. The steel pipe concrete column comprises an outer steel pipe 11 and an inner filling concrete 12. A main cover plate 13 is arranged in the main direction of the outer side of the outer steel pipe 11, and the main cover plate 13 is connected with the outer steel pipe 11 through a welding seam; an inner transverse plate 18 is arranged at a position corresponding to the main cover plate 13 on the inner side of the outer steel pipe 11, and the inner transverse plate 18 is connected with the outer steel pipe 11 through a welding line; a secondary rib plate 14 is arranged on the outer side of the outer steel pipe 11 in a secondary direction perpendicular to the main direction, and the secondary rib plate 14 is connected with the outer steel pipe 11 through a welding line; an inner longitudinal plate 19 is arranged at a position corresponding to the auxiliary rib plate 14 on the inner side of the outer steel pipe 11, and the inner longitudinal plate 19 is connected with the outer steel pipe 11 through a welding line; a secondary cover plate 15 is arranged on the outer side of the outer steel pipe 11 in the secondary direction, and the secondary cover plate 15 is connected with the outer steel pipe 11 and the secondary rib plate 14 through welding seams; a main shear plate 16 is arranged on the outer side of the outer steel pipe 11 in the main direction, and the main shear plate 16 is connected with the outer steel pipe 11 through bolts or welding seams; a secondary shear plate 17 is provided on the outer side of the outer steel pipe 11 in the secondary direction, and the secondary shear plate 17 is connected to the outer steel pipe 11 by bolts or welds. The main cover plate 13, the auxiliary cover plate 15, the main shear plate 16 and the auxiliary shear plate 17 are reserved with bolt holes according to the requirement; preferably, the inner cross plate 18 is reserved with concrete passing holes.
The main steel beam consists of a main beam flange 21 and a main beam web 22; the auxiliary girder consists of an auxiliary girder flange 31 and an auxiliary girder web 32. The main beam flange 21, the main beam web 22, the auxiliary beam flange 31 and the auxiliary beam web 32 are reserved with bolt holes according to the requirement. In the field assembly, the main beam flange 21 is connected with the main cover plate 13 through bolts, the main beam web 22 is connected with the main shear plate 16 through bolts, the auxiliary beam flange 31 is connected with the auxiliary cover plate 15 through bolts, and the auxiliary beam web 32 is connected with the auxiliary shear plate 17 through bolts.
According to the actual engineering requirements, one or two main steel beams can be connected in the main direction, and one or two auxiliary steel beams can be connected in the auxiliary direction; only the auxiliary steel beams may be connected, and the main steel beams may not be connected, and any or all of the main deck plate 13, the main shear plate 16, and the inner cross plate 18 may not be provided at this time.
Finally, it should be pointed out that: the above embodiments are only for illustrating the technical solution of the present application, and are not limiting. Although the application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present application.
Claims (5)
1. A steel pipe concrete column-girder steel assembled space node which characterized in that: comprising the following steps: the device comprises an outer steel pipe, a main cover plate, an auxiliary rib plate, an auxiliary cover plate, a main shear plate and an auxiliary shear plate;
the inside of the outer steel pipe is provided with a space filled with concrete, corresponding positions on two corresponding surfaces in the main direction of the outer steel pipe are provided with transverse long grooves, the main cover plate penetrates through the outer steel pipe through the transverse long grooves, and the main cover plate is connected with the outer steel pipe through welding; longitudinal long grooves are formed in corresponding positions on two corresponding surfaces of the outer steel pipe in the auxiliary direction perpendicular to the main direction, the auxiliary rib plates penetrate through the outer steel pipe through the longitudinal long grooves, and the auxiliary rib plates are connected with the outer steel pipe through welding; the auxiliary cover plate is arranged on the outer side of the outer steel pipe in the auxiliary direction and is connected with the outer steel pipe and the auxiliary rib plate through welding respectively; the main shearing plate is arranged on the outer side of the outer steel pipe in the main direction, and the main shearing plate is connected with the outer steel pipe through bolts or welding; the auxiliary shearing plate is arranged on the outer side of the outer steel pipe in the auxiliary direction, and the auxiliary shearing plate is connected with the outer steel pipe through bolts or welding; bolt holes are reserved in corresponding positions of the main cover plate, the auxiliary cover plate, the main shear plate and the auxiliary shear plate:
the outer steel pipe is rectangular and provided with four side surfaces; the main cover plate is of a rectangular plate-shaped structure with both ends in an equilateral trapezoid; the auxiliary rib plate is of an isosceles trapezoid beam-shaped structure; the auxiliary cover plate is of a rectangular plate-shaped structure; the main shearing plate is of a rectangular plate-shaped structure; the auxiliary shearing plate is of a rectangular plate-shaped structure;
one or two main steel beams are connected in the main direction; one or two auxiliary steel beams can be connected in the auxiliary direction;
the main steel beam is of an I-shaped steel structure and consists of a main beam flange and a main beam web; the auxiliary steel beam is of an I-shaped steel structure and consists of an auxiliary beam flange and an auxiliary beam web plate.
2. A steel pipe concrete column-girder steel assembled space node which characterized in that: comprising the following steps: the device comprises an outer steel pipe, a main cover plate, an auxiliary rib plate, an auxiliary cover plate, a main shear plate, an auxiliary shear plate, an inner transverse plate and an inner longitudinal plate;
the inside of the outer steel pipe is provided with a space filled with concrete, the main cover plates are arranged on two corresponding surfaces of the outer main direction of the outer steel pipe, and the main cover plates are connected with the outer steel pipe through welding; the inner transverse plate is arranged at the position, corresponding to the main cover plate, of the inner side of the outer steel pipe, and the inner transverse plate is connected with the outer steel pipe through welding; the auxiliary rib plates are arranged on two corresponding surfaces of the outer side of the outer steel pipe in the auxiliary direction perpendicular to the main direction, and the auxiliary rib plates are connected with the outer steel pipe through welding; an inner longitudinal plate is arranged at a position corresponding to the auxiliary rib plate on the inner side of the outer steel pipe, and the inner longitudinal plate is connected with the outer steel pipe through welding; an auxiliary cover plate is arranged on the outer side of the outer steel pipe in the auxiliary direction, and the auxiliary cover plate is connected with the outer steel pipe and the auxiliary rib plate through welding respectively; a main shearing plate is arranged on the outer side of the outer steel pipe in the main direction, and the main shearing plate is connected with the outer steel pipe through bolts or welding; an auxiliary shearing plate is arranged on the outer side of the outer steel pipe in the auxiliary direction, and the auxiliary shearing plate is connected with the outer steel pipe through bolts or welding; bolt holes are reserved in the corresponding positions of the main cover plate, the auxiliary cover plate, the main shear plate and the auxiliary shear plate;
one or two main steel beams are connected in the main direction; one or two auxiliary steel beams can be connected in the auxiliary direction;
the main steel beam is of an I-shaped steel structure and consists of a main beam flange and a main beam web; the auxiliary steel beam is of an I-shaped steel structure and consists of an auxiliary beam flange and an auxiliary beam web plate.
3. A concrete filled steel tubular column-steel beam fabricated space node according to claim 2, wherein: the outer steel pipe is rectangular and provided with four side surfaces; the main cover plate is of an equilateral trapezoid plate-shaped structure; the auxiliary rib plate is of a trapezoid beam-shaped structure; the auxiliary cover plate is of a rectangular plate-shaped structure; the main shearing plate is of a rectangular plate-shaped structure; the auxiliary shearing plate is of a rectangular plate-shaped structure; the inner transverse plate is of a rectangular plate-shaped structure; the inner longitudinal plate is of a cuboid beam-shaped structure.
4. A concrete filled steel tubular column-steel beam fabricated space node according to claim 3, wherein: and a concrete through hole is reserved on the inner side of the outer steel pipe or the inner transverse plate of the main cover plate.
5. A concrete filled steel tubular column-steel beam fabricated space node according to claim 4, wherein: when in site assembly, the main beam flange is connected with the main cover plate through bolts, the main beam web is connected with the main shearing plate through bolts, the auxiliary beam flange is connected with the auxiliary cover plate through bolts, the auxiliary beam web is connected with the auxiliary shearing plate through bolts, and the inner filling concrete is injected into the outer steel pipe through the concrete through holes on the main cover plate or the inner transverse plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710756327.5A CN107327029B (en) | 2017-08-29 | 2017-08-29 | Steel pipe concrete column-girder steel assembled space node |
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| CN201710756327.5A CN107327029B (en) | 2017-08-29 | 2017-08-29 | Steel pipe concrete column-girder steel assembled space node |
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| CN107327029B true CN107327029B (en) | 2023-11-03 |
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| CN110541478B (en) * | 2019-09-09 | 2024-04-02 | 华南理工大学 | Connecting joint of connecting piece inserted steel pipe column and steel beam |
| CN113175259B (en) * | 2021-05-06 | 2022-07-15 | 西南交通大学 | Multidirectional connection steel beam column joint based on dry connection |
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