CN205444477U - Buckling restrained brace and had concrete frame structure's joint construction - Google Patents
Buckling restrained brace and had concrete frame structure's joint construction Download PDFInfo
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- CN205444477U CN205444477U CN201620227638.3U CN201620227638U CN205444477U CN 205444477 U CN205444477 U CN 205444477U CN 201620227638 U CN201620227638 U CN 201620227638U CN 205444477 U CN205444477 U CN 205444477U
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Abstract
The utility model provides a buckling restrained brace and had concrete frame structure's joint construction, between included that the concrete support of existing concrete frame post and the formation of concrete frame roof beam is striden, this joint construction included still that the concrete supports the buckling restrained brace who strides interior setting within a definite time, its characterized in that: the interior all surface of hugging closely between concrete support hip is equipped with the support steel framework that suits between round size and concrete support hip, fixed connection between bolt and concrete support hip plants behind the round of periphery through concrete support hip interior zhou junbu within a definite time of support steel framework, buckling restrained brace passes through connected node and supports steel framework fixed connection. The utility model discloses buckling restrained brace has improved the wholeness of node concrete with the connection plate with to support the steel framework collaborative work good, supports the steel framework and connects for whole with buckling restrained brace, it is reliable to pass the power dispersion, has avoided buckling restrained brace and former concrete structure's the concentrated atress of being connected the position, more makes the structure biography to do all can more reliably.
Description
Technical field
This utility model relates to a kind of shock-resistant node, the connection node between a kind of buckling restrained brace and existing concrete frame structure.
Background technology
Buckling restrained brace, as a kind of new energy dissipation component, is not only widely applied in new building, is also widely used in strengthening and rebuilding engineering.Buckling restrained brace is different from traditional support, it use in the design of outer core, kernel is to be stressed directly unit, and outer core is constraint element, it is ensured that kernel will not flexing, inner core component has same tension and compressive capacity, has the energy-dissipating and shock-absorbing performance of excellence.
Traditional buckling restrained brace and existing concrete frame connect after node generally uses plants built-in fitting mode, the place i.e. connected at supporting base end portion and concrete frame is planted bolt after passing through and is fixed on original structure by embedded part, according to stress size, veneer can be used, three bread steel plates, even the mode of four sides steel plated, specifically can be found in shown in Fig. 4-6.This node connected mode typically has the disadvantages that one, according to the failure mode of node and the analysis that destroys position, the substantial portion of reason of destruction of a node is inharmonious due to existing concrete and gusset plate collaborative work, form sudden change at gusset plate with concrete contact position, cause the crushed destruction of concrete herein.Two, due to the needs of joints, typically require densely covered bolt, support is directly passed to concrete frame after transferring force to bolt, support the concentration stress with original structure connecting portion, this kind of connected mode cannot be applied to large-tonnage and support the connection with original structure, structure power transmission safety can not be guaranteed.
Utility model content
The purpose of this utility model is to provide the connecting structure of a kind of buckling restrained brace and existing concrete frame structure, solve existing buckling restrained brace and existing concrete frame to connect node and can cause concrete and the gusset plate cannot co-ordination, the technical problem that structure is easily destroyed, also solve the concentration stress supported with original structure connecting portion, the technical problem that structure power transmission safety can not be guaranteed.
For achieving the above object, this utility model adopts the following technical scheme that
A kind of buckling restrained brace and the connecting structure having concrete frame structure, the concrete support formed including existing concrete frame trestle and concrete frame beam across, this connecting structure also include concrete support across in arrange buckling restrained brace, the inner peripheral surface being close between concrete support hip is provided with between a circle size and concrete support hip the support steel framework adapted, the periphery of described support steel framework is planted fixing between bolt with concrete support hip connection after passing through the circle that the inner circumferential between concrete support hip is uniform, described buckling restrained brace is connected with supporting steel framework and fixing by connecting node.
Described support steel framework is to be formed by connecting by Steel Frame Column and steel-frame beam.
The top of described buckling restrained brace is connected by the first connection node is fixing with the steel-frame beam on upper strata.
The bottom of described buckling restrained brace is connected by the second connection node is fixing with the junction of the bottom of Steel Frame Column and the steel-frame beam of lower floor.
Described first connect the primary nodal point plate that node includes that the steel-frame beam with upper strata weld, the primary nodal point connecting plate being fixed on primary nodal point plate, buckling restrained brace shaped steel core plate, the first shaped steel core connecting plate being fixed on buckling restrained brace shaped steel core plate, first anchor clamping plate and the first connecting bolt
Described primary nodal point plate and the alignment of buckling restrained brace shaped steel core plate, corresponding primary nodal point connecting plate and the first shaped steel core connecting plate also align, first anchoring clamping plate are located in primary nodal point connecting plate and the both sides of the first shaped steel core connecting plate simultaneously, and three are fixed by the first connecting bolt.
Described second connection node includes the secondary nodal point plate welded the junction of the steel-frame beam of the bottom with Steel Frame Column and lower floor, the secondary nodal point connecting plate being fixed on secondary nodal point plate, buckling restrained brace shaped steel core plate, the Second-Type steel core material connecting plate being fixed on buckling restrained brace shaped steel core plate, the second anchoring clamping plate and the second connecting bolt
Fillet weld seam is passed through in described secondary nodal point plate and the alignment of buckling restrained brace shaped steel core plate, corresponding secondary nodal point connecting plate and Second-Type steel core material connecting plate also align and pass through fillet weld seam, second anchoring clamping plate are located in secondary nodal point connecting plate and the both sides of Second-Type steel core material connecting plate simultaneously, and three are fixed by the second connecting bolt.
Compared with prior art this utility model has the characteristics that and beneficial effect:
This utility model is by between the hip at existing concrete frame structure support place, it is close to after concrete frame structure passes through plant the fixing steel framework that supports be reliably connected with beam column built from concrete, and design buckling restrained brace and the connection node supporting steel framework, make buckling restrained brace become buckling restrained brace with the direct power transmission of concrete frame structure and support the indirect power transmission of steel framework.
Buckling restrained brace of the present utility model is good with support steel framework collaborative work, improves the globality of node concrete and gusset plate, enhances harmony, thus improve bearing capacity and the anti-seismic performance of concrete girder connection, places the generation of concrete destruction.
Power is first delivered to support on steel framework by buckling restrained brace of the present utility model, it is then passed on concrete frame structure, it is connected as entirety owing to supporting steel framework and buckling restrained brace, power transmission dispersion is reliable, avoid the concentration stress of buckling restrained brace and the connecting portion of former xoncrete structure, not only make large-tonnage support with original structure be connected to become possibility, more make structure power transmission more reliable.
Accompanying drawing explanation
The utility model is described in more detail below in conjunction with the accompanying drawings.
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the first structural representation connecting node in Fig. 1.
Fig. 3 is the second structural representation connecting node in Fig. 1.
Fig. 4 is the structural representation of existing connected mode.
Fig. 5 is the structural representation of C node in Fig. 4.
Fig. 6 is the structural representation of D node in Fig. 4.
Reference: 1-concrete frame trestle, 2-concrete frame beam, 3-buckling restrained brace, 4-supports steel framework, 4.1-Steel Frame Column, 4.2-steel-frame beam, bolt is planted after 5-, 6-first connects node, 7-second connects node, 8-primary nodal point plate, 9-primary nodal point connecting plate, 10-buckling restrained brace shaped steel core plate, 11-the first shaped steel core connecting plate, 12-first anchors clamping plate, 13-the first connecting bolt, 14-secondary nodal point plate, 15-secondary nodal point connecting plate, 16-Second-Type steel core material connecting plate, 17-second anchors clamping plate, 18-the second connecting bolt.
Detailed description of the invention
Embodiment sees shown in Fig. 1-3, a kind of buckling restrained brace and the connecting structure having concrete frame structure, the concrete support formed including existing concrete frame trestle 1 and concrete frame beam 2 across, this connecting structure also include concrete support across in arrange buckling restrained brace 3, the inner peripheral surface being close between concrete support hip is provided with between a circle size and concrete support hip the support steel framework 4 adapted, the periphery of described support steel framework is planted fixing between bolt 5 with concrete support hip connection after passing through the circle that the inner circumferential between concrete support hip is uniform, described buckling restrained brace is connected with supporting steel framework and fixing by connecting node.
Described support steel framework 3 is to be formed by connecting by Steel Frame Column 3.1 and steel-frame beam 3.2.See shown in Fig. 2-3, all integral by fillet weld seam.
The top of described buckling restrained brace is connected by the first connection node 6 is fixing with the steel-frame beam 3.2 on upper strata.
The bottom of described buckling restrained brace is connected by the second connection node 7 is fixing with the junction of the bottom of Steel Frame Column 3.1 and the steel-frame beam 3.2 of lower floor.
Shown in Figure 2, described first connects node 6 includes that steel-frame beam with upper strata anchors clamping plate 12 and the first connecting bolt 13 by the primary nodal point plate 8 of fillet weld seam, the primary nodal point connecting plate 9 being fixed on primary nodal point plate 8, buckling restrained brace shaped steel core plate 10, the first shaped steel core connecting plate 11, first of being fixed on buckling restrained brace shaped steel core plate 10
Described primary nodal point plate 8 and buckling restrained brace shaped steel core plate 10 align, corresponding primary nodal point connecting plate 9 and the first shaped steel core connecting plate 11 also align, first anchoring clamping plate 12 are located in primary nodal point connecting plate 9 and the both sides of the first shaped steel core connecting plate 11 simultaneously, and three are fixed by the first connecting bolt 13.
Shown in Figure 3, described second connects node 7 includes that the junction of steel-frame beam of the bottom with Steel Frame Column and lower floor anchors clamping plate 17 and the second connecting bolt 18 by the secondary nodal point plate 14 of fillet weld seam, the secondary nodal point connecting plate 15 being fixed on secondary nodal point plate 14, buckling restrained brace shaped steel core plate 10, the Second-Type steel core material connecting plate 16, second that is fixed on buckling restrained brace shaped steel core plate 10
Fillet weld seam is passed through in described secondary nodal point plate 14 and the alignment of buckling restrained brace shaped steel core plate 10, corresponding secondary nodal point connecting plate 15 and Second-Type steel core material connecting plate 16 also align and pass through fillet weld seam, second anchoring clamping plate 17 are located in secondary nodal point connecting plate 15 and the both sides of Second-Type steel core material connecting plate 16 simultaneously, and three are fixed by the second connecting bolt 18.
A kind of buckling restrained brace that the utility model proposes provides the most feasible another kind of solution with the popularization and application in concrete frame strengthening and rebuilding engineering of the connecting structure of existing concrete frame structure.
The country that China is a Seismicity frequency height, intensity is big, focus is shallow, distribution is wide, earthquake calamity is serious.In last century, the violent earthquake that 3 times of whole world generation are more than 7.6 grades, wherein twice generation is in China；The violent earthquake simultaneously causing for twice 200,000 people dead the most all occurs in China.From the point of view of the theory of calamity, the huge injures and deaths of earthquake, the biggest degree is attributed to irrational Anti-quake Architectural Structure Design.
The exploration that China makes the transition about city Transformation and planning launched before 10 years the most, and the spatial development model of large size city is gradually changed to " storage optimization " by " increment expansion ".It is exactly that existing building updates and transformation from use function, space allocation, building storey or even the scale of construction that building storage optimizes process, and large-and-medium size cities reconstruction of existing building project has a high potential.
Along with architectural engineering technology improves, code in terms of antidetonation of our country, specification are constantly updated.Reconstruction of existing building must rely on new technique could meet the requirement of structural seismic safety under the new situation.Use advanced cushion technique, applied in Practical Project, not only can meet new use function and increase the requirement of the scale of construction, it is also possible to being effectively improved the anti-seismic performance of existing building, reducing the failure loss that earthquake brings.
Claims (6)
1. a buckling restrained brace and the connecting structure having concrete frame structure, the concrete support formed including existing concrete frame trestle (1) and concrete frame beam (2) across, this connecting structure also include concrete support across in arrange buckling restrained brace (3), it is characterized in that: the inner peripheral surface being close between concrete support hip is provided with between a circle size and concrete support hip the support steel framework (4) adapted, the periphery of described support steel framework is planted bolt (5) after passing through the circle that the inner circumferential between concrete support hip is uniform and is connected with fixing between concrete support hip, described buckling restrained brace is connected with supporting steel framework and fixing by connecting node.
Buckling restrained brace the most according to claim 1 and the connecting structure having concrete frame structure, it is characterised in that: described support steel framework (3) is to be formed by connecting by Steel Frame Column (3.1) and steel-frame beam (3.2).
Buckling restrained brace the most according to claim 2 and the connecting structure having concrete frame structure, it is characterised in that: the top of described buckling restrained brace is connected by the first connection node (6) is fixing with the steel-frame beam (3.2) on upper strata.
Buckling restrained brace the most according to claim 2 and the connecting structure having concrete frame structure, it is characterised in that: the bottom of described buckling restrained brace is connected by the second connection node (7) is fixing with the junction of the bottom of Steel Frame Column (3.1) and the steel-frame beam (3.2) of lower floor.
Buckling restrained brace the most according to claim 3 and the connecting structure having concrete frame structure, it is characterized in that: described first connect the primary nodal point plate (8) that node (6) includes that the steel-frame beam with upper strata weld, the primary nodal point connecting plate (9) being fixed on primary nodal point plate (8), buckling restrained brace shaped steel core plate (10), the first shaped steel core connecting plate (11) being fixed on buckling restrained brace shaped steel core plate (10), first anchor clamping plate (12) and the first connecting bolt (13)
Described primary nodal point plate (8) and buckling restrained brace shaped steel core plate (10) alignment, corresponding primary nodal point connecting plate (9) and the first shaped steel core connecting plate (11) also align, first anchoring clamping plate (12) is located in primary nodal point connecting plate (9) and the both sides of the first shaped steel core connecting plate (11) simultaneously, and three is fixed by the first connecting bolt (13).
Buckling restrained brace the most according to claim 4 and the connecting structure having concrete frame structure, it is characterized in that: described second connection node (7) includes the secondary nodal point plate (14) welded the junction of the steel-frame beam of the bottom with Steel Frame Column and lower floor, the secondary nodal point connecting plate (15) being fixed on secondary nodal point plate (14), buckling restrained brace shaped steel core plate (10), Second-Type steel core material connecting plate (16) being fixed on buckling restrained brace shaped steel core plate (10), the second anchoring clamping plate (17) and the second connecting bolt (18)
Fillet weld seam is passed through in described secondary nodal point plate (14) and buckling restrained brace shaped steel core plate (10) alignment, corresponding secondary nodal point connecting plate (15) and Second-Type steel core material connecting plate (16) also align and pass through fillet weld seam, second anchoring clamping plate (17) is located in secondary nodal point connecting plate (15) and the both sides of Second-Type steel core material connecting plate (16) simultaneously, and three is fixed by the second connecting bolt (18).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620227638.3U CN205444477U (en) | 2016-03-23 | 2016-03-23 | Buckling restrained brace and had concrete frame structure's joint construction |
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| CN201620227638.3U CN205444477U (en) | 2016-03-23 | 2016-03-23 | Buckling restrained brace and had concrete frame structure's joint construction |
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| CN205444477U true CN205444477U (en) | 2016-08-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114382191A (en) * | 2022-01-10 | 2022-04-22 | 北京科技大学 | Assembled steel frame-buckling restrained brace system |
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2016
- 2016-03-23 CN CN201620227638.3U patent/CN205444477U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114382191A (en) * | 2022-01-10 | 2022-04-22 | 北京科技大学 | Assembled steel frame-buckling restrained brace system |
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