CN111206690B - Rigid joint of steel tube concrete beam wall beam of separated unequal-thickness end plates - Google Patents
Rigid joint of steel tube concrete beam wall beam of separated unequal-thickness end plates Download PDFInfo
- Publication number
- CN111206690B CN111206690B CN202010157055.9A CN202010157055A CN111206690B CN 111206690 B CN111206690 B CN 111206690B CN 202010157055 A CN202010157055 A CN 202010157055A CN 111206690 B CN111206690 B CN 111206690B
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- Prior art keywords
- flange
- plate
- web
- steel tube
- plates
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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
- E04B1/38—Connections for building structures in general
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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
- E04B2/00—Walls, e.g. partitions, for buildings; Wall construction with regard to insulation; Connections specially adapted to walls
- E04B2/56—Load-bearing walls of framework or pillarwork; Walls incorporating load-bearing elongated members
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
- E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
- E04C3/06—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal with substantially solid, i.e. unapertured, web
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
- E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
- E04C2003/0404—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects
- E04C2003/0443—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal beams, girders, or joists characterised by cross-sectional aspects characterised by substantial shape of the cross-section
- E04C2003/0452—H- or I-shaped
Abstract
The invention belongs to the technical field of building components, and discloses a steel tube concrete beam rigid joint for separating end plates with different thicknesses, which comprises the following steps: the steel tube concrete beam shear wall, the H-shaped steel beam, the flange end plate and the web end plate are provided with a plurality of first webs along the length direction; the H-shaped steel beam comprises an upper flange plate, a lower flange plate and a second web plate; the flange end plates are provided with two first webs which correspond to the upper flange plate and the lower flange plate respectively and are fixedly connected to the outer sides of the steel tube concrete beam shear walls; the web end plate is fixedly connected to a first web plate on the outer side of the steel tube concrete beam shear wall corresponding to the web plate. The invention has the beneficial effects that: the flange end plates and the web end plates are correspondingly arranged at the upper flange plate, the lower flange plate and the second web of the H-shaped steel beam, so that the materials of connecting pieces are saved, the steel consumption of nodes is reduced, and the economic index is improved.
Description
Technical Field
The invention relates to the technical field of building components, in particular to a steel pipe concrete beam rigid joint for separating end plates with different thicknesses.
Background
In the building, the materials are classified according to the materials of the main body structure, and the magnetic flux is composed of two materials, namely a concrete material and a steel material. The steel tube bundle combined structure shear wall is a novel lateral force resistant member formed by effectively combining steel materials and concrete materials, fully exerts the advantages of flexible building layout, high industrialization degree of steel structure manufacturing and high construction speed of the concrete shear wall, and exerts the material performance advantages of light weight, high strength and high concrete rigidity of steel.
The node is the key part of connecting girder steel and shear force wall, and the internal force of roof beam and wall passes through the node transmission, and the safe and reliable of node is the prerequisite of guaranteeing the safe work of structure. Therefore, the shear wall and the plate or the beam are integrated, so that the shear wall is kept continuous.
Through the improvement, there is a patent to propose an end plate type girder steel and steel tube bundle composite construction shear wall connected node (as figure 4), welds a complete equal thickness's end plate in the minor face one side of shear wall, and girder steel flange adopts the welding with the end plate, and girder steel web adopts high-strength bolted connection with the gusset plate of welding on the end plate. However, when the internal stress of the steel beam is transmitted to the shear wall through the end plates, the end plates at the web plate are at a lower level due to the equal thickness of the end plates, and the performance of the plate cannot be fully utilized correspondingly, so that a considerable amount of material is wasted.
Disclosure of Invention
The invention aims to provide a steel tube concrete beam rigid joint for separating end plates with different thicknesses, which solves the problems that the stress of the end plates at the web plate is at a lower level, the performance of the plate cannot be fully utilized, and a considerable amount of materials are wasted.
To achieve the purpose, the invention adopts the following technical scheme:
a split unequal thickness end plate type steel tube concrete beam rigid joint, comprising:
the steel tube concrete beam shear wall is internally provided with a plurality of first webs along the length direction;
the H-shaped steel beam comprises an upper flange plate, a lower flange plate and a second web plate;
the flange end plates are provided with two flange plates, correspond to the upper flange plate and the lower flange plate respectively, and are fixedly connected to the first web plate positioned on the outer side of the concrete filled steel tube beam shear wall;
and the web end plate is fixedly connected to the first web at the outer side of the steel tube concrete beam shear wall corresponding to the second web.
The flange end plates and the web end plates are correspondingly arranged at the upper flange plate, the lower flange plate and the second web of the H-shaped steel beam, so that the materials of connecting pieces are saved, the steel consumption of nodes is reduced, and the economic index is improved.
As the preferable scheme for separating the rigid connection nodes of the unequal-thickness end plates and the concrete filled steel tube beam, the thickness of the flange end plates is calculated by the following formula:
wherein: t is t p Representing the thickness of the flange end plate; η (eta) j Representing the connection coefficient of the seismic design; a is that fb Representing the area of the corresponding upper or lower flange plate; f (f) yb Representing the yield strength of the corresponding upper or lower flange plate; f (f) u Representing the minimum tensile strength of the corresponding upper or lower flange plate.
The thickness of the flange end plate determined by the formula is smaller than that determined by the standard executed at present, so that the thickness of the steel plate is effectively reduced, and the utilization rate of materials is improved.
As the preferable scheme for separating the rigid connection nodes of the unequal-thickness end plate type steel tube concrete beam, the steel tube concrete beam shear wall comprises a left flange and a right flange, and the first web is arranged between the left flange and the right flange.
As the preferable scheme of the steel tube concrete beam rigid connection joint of the separated unequal-thickness end plates, two sides of each flange end plate are provided with flange connection plates, and the flange connection plates are welded on the corresponding left flange and right flange.
As the preferable scheme for separating the rigid connection nodes of the unequal-thickness end plate type steel tube concrete beam, the flange connection plates extend along the length direction of the steel tube concrete beam shear wall.
As the preferable scheme of the rigid joint of the steel tube concrete beam wall of the separated end plates with different thicknesses, the second web plate is provided with a web plate connecting plate, and the web plate connecting plate is welded to the web end plate.
As the preferable scheme of the rigid joint of the steel tube concrete beam wall of the separated end plates with different thicknesses, the second web plate and the web plate are connected through bolts.
The invention has the beneficial effects that: the flange end plates and the web end plates are correspondingly arranged at the upper flange plate, the lower flange plate and the second web of the H-shaped steel beam, so that the materials of connecting pieces are saved, the steel consumption of nodes is reduced, and the economic index is improved.
Drawings
FIG. 1 is a schematic view of a structure of a rigid joint of a concrete filled steel tube beam with end plates of different thicknesses according to an embodiment of the invention;
FIG. 2 is a cross-sectional view taken along the direction A-A in FIG. 1;
FIG. 3 is a cross-sectional view taken along the direction B-B in FIG. 1;
fig. 4 is a schematic structural view of a shear wall connection node with an end plate type steel beam and steel tube beam combined structure according to a specific embodiment of the prior art.
In the figure:
1-a steel tube concrete beam shear wall; 2-H-shaped steel beams; 3-flange end plates; 4-web end plates; 5-flange connection plates; 6-web connection plates; 7-a bolt; 8-welding seams; 10-a first web; 11-left flange; 12-right flange; 21-an upper flange plate; 22-lower flange plate; 23-a second web.
Detailed Description
The invention is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present invention are shown in the drawings.
In the description of the present invention, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "right", etc. orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the invention. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.
The invention provides a rigid joint of a steel tube concrete beam wall beam of a separated end plate with unequal thickness, which is formed by connecting a steel tube concrete beam shear wall 1 and an H-shaped steel beam 2, as shown in fig. 1-3, wherein the H-shaped steel beam 2 is arranged between the adjacent steel tube concrete beam shear walls 1.
The steel tube concrete bundle shear wall 1 is formed by pouring concrete into a steel tube bundle. The steel tube bundle is formed by splicing U-shaped steel or U-shaped steel formed by cold bending a plurality of steel belts with rectangular steel tubes and steel plates, and the concrete can be ordinary concrete or self-compacting concrete.
The steel tube concrete beam shear wall 1 comprises a left flange 11 and a right flange 12 which are vertically arranged, a plurality of first webs 10 are arranged between the left flange 11 and the right flange 12 at intervals, the left flange 11, the right flange 12 and the first webs 10 are separated to form a plurality of units, a cavity is arranged in each unit, and concrete is poured into the cavity.
The outer sides of the left flange 11 and the right flange 12 of the tail end unit of the adjacent steel tube concrete beam shear wall 1 are respectively welded with flange connecting plates 5 and form welding seams 8 respectively, namely, two positions of the left flange 11 of the tail end unit along the vertical direction of fig. 1 are respectively provided with one flange connecting plate 5, two positions of the right flange 12 of the tail end unit along the vertical direction of fig. 1 are respectively provided with one flange connecting plate 5, the flange connecting plates 5 extend along the length direction (the transverse direction of fig. 1) of the steel tube concrete beam shear wall 1, the two flange connecting plates 5 are in one group, the four flange connecting plates 5 are divided into two groups, and each group of flange connecting plates 5 are positioned at the same horizontal position.
The first web 10 positioned outside the steel tube concrete beam shear wall 1 is welded with a flange end plate 3 and a web end plate 4.
The flange end plates 3 are two in total, one flange end plate 3 is welded to the two flange connection plates 5 located at the upper portion, and the other flange end plate 3 is welded to the two flange connection plates 5 located at the lower portion.
The H-beam 2 comprises an upper flange plate 21, a lower flange plate 22 and a second web 23.
The upper flange plate 21 is welded with one flange end plate 3, and the lower flange plate 22 is welded with one flange end plate 3. The second web 23 is provided with a web connecting plate 6, and the web connecting plate 6 is welded to the web end plate 4. In this embodiment, the second web 23 and the web connection plate 6 are connected by bolts 7.
Further, the thickness of the flange end plate 3 is calculated using the following formula:
wherein: t is t p Representing the thickness of the flange end plate 3; η (eta) j Representing the connection coefficient of the seismic design; a is that fb Representing the area of the corresponding upper or lower flange plate; f (f) yb Representing the yield strength of the corresponding upper or lower flange plate; f (f) u Representing the minimum tensile strength of the corresponding upper or lower flange plate.
In the present embodiment, the flange end plates 3, the web end plates 4, the flange connecting plates 5, and the web connecting plates 6 are all strip-shaped steel plates.
If the technical scheme (as shown in fig. 4) mentioned in the background art is adopted and compared with the technical scheme of the invention, the thickness T of the flange end plate 3 of the technical scheme is calculated according to the technical standard of a concrete filled steel tube bundle structure of T/CECS 546-2018 p_present The plate thickness t of the end plate of fig. 4 p_front 。
Therefore, for H-shaped steel beams of different types, the thickness of the flange end plate 3 designed by the invention can be reduced, so that materials are saved.
It is to be understood that the above examples of the present invention are provided for clarity of illustration only and are not limiting of the embodiments of the present invention. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the invention. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the invention are desired to be protected by the following claims.
Claims (6)
1. The utility model provides a separation unequal thickness end plate type steel pipe concrete beam wall roof beam rigid connection node which characterized in that includes:
the steel tube concrete beam shear wall (1), wherein a plurality of first webs (10) are arranged in the steel tube concrete beam shear wall (1) along the length direction;
the H-shaped steel beam (2), wherein the H-shaped steel beam (2) comprises an upper flange plate (21), a lower flange plate (22) and a second web plate (23);
the flange end plates (3) are provided with two flange plates (21) and two lower flange plates (22) which correspond to the upper flange plates and the lower flange plates respectively, and are fixedly connected to the first web plates (10) positioned on the outer sides of the concrete filled steel tube beam shear walls (1);
the web end plate (4), the web end plate (4) is fixedly connected to the first web (10) at the outer side of the steel tube concrete beam shear wall (1) corresponding to the second web (23);
the thickness of the flange end plate (3) is calculated by the following formula:
wherein: t is t p Representing the thickness of the flange end plate; η (eta) j Representing the connection coefficient of the seismic design; a is that fb Representing the area of the corresponding upper or lower flange plate; f (f) yb Representing the yield strength of the corresponding upper or lower flange plate; f (f) u Representing the minimum tensile strength of the corresponding upper or lower flange plate.
2. The steel tube concrete beam rigid joint of the separated unequal thickness end plate type steel tube concrete beam as claimed in claim 1, wherein the steel tube concrete beam shear wall (1) comprises a left flange (11) and a right flange (12), and the first web (10) is arranged between the left flange (11) and the right flange (12).
3. The steel tube concrete beam rigid connection node for separating unequal-thickness end plates according to claim 2, wherein flange connection plates (5) are arranged on two sides of each flange end plate (3), and the flange connection plates (5) are welded on the corresponding left flange (11) and right flange (12).
4. A split unequal thickness end-plate type concrete filled steel tube beam rigid connection node according to claim 3, wherein the flange connection plate (5) extends along the length direction of the concrete filled steel tube beam shear wall (1).
5. The steel tube concrete beam rigid joint of the separated unequal-thickness end plates according to claim 4, wherein a web connecting plate (6) is arranged on the second web (23), and the web connecting plate (6) is welded to the web end plate (4).
6. The steel tube concrete beam rigid joint of the separated unequal-thickness end plate type according to claim 5, wherein the second web (23) and the web connecting plate (6) are connected through bolts (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010157055.9A CN111206690B (en) | 2020-03-09 | 2020-03-09 | Rigid joint of steel tube concrete beam wall beam of separated unequal-thickness end plates |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010157055.9A CN111206690B (en) | 2020-03-09 | 2020-03-09 | Rigid joint of steel tube concrete beam wall beam of separated unequal-thickness end plates |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111206690A CN111206690A (en) | 2020-05-29 |
| CN111206690B true CN111206690B (en) | 2023-09-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010157055.9A Active CN111206690B (en) | 2020-03-09 | 2020-03-09 | Rigid joint of steel tube concrete beam wall beam of separated unequal-thickness end plates |
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| CN (1) | CN111206690B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115182442A (en) * | 2022-07-14 | 2022-10-14 | 中国建筑第五工程局有限公司 | Steel beam and steel pipe concrete beam combined member |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104047363A (en) * | 2014-05-05 | 2014-09-17 | 浙江杭萧钢构股份有限公司 | Steel beam and steel tube bundle combined structure shear wall connected node |
| CN109779038A (en) * | 2019-01-16 | 2019-05-21 | 杭州铁木辛柯建筑结构设计事务所有限公司 | A kind of band-like heavier-duty node based on stiffening plate thickness design |
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2020
- 2020-03-09 CN CN202010157055.9A patent/CN111206690B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104047363A (en) * | 2014-05-05 | 2014-09-17 | 浙江杭萧钢构股份有限公司 | Steel beam and steel tube bundle combined structure shear wall connected node |
| CN109779038A (en) * | 2019-01-16 | 2019-05-21 | 杭州铁木辛柯建筑结构设计事务所有限公司 | A kind of band-like heavier-duty node based on stiffening plate thickness design |
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| Publication number | Publication date |
|---|---|
| CN111206690A (en) | 2020-05-29 |
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