CN203361391U - Buckling restrained brace with standby cable - Google Patents
Buckling restrained brace with standby cable Download PDFInfo
- Publication number
- CN203361391U CN203361391U CN 201320255566 CN201320255566U CN203361391U CN 203361391 U CN203361391 U CN 203361391U CN 201320255566 CN201320255566 CN 201320255566 CN 201320255566 U CN201320255566 U CN 201320255566U CN 203361391 U CN203361391 U CN 203361391U
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- force transferring
- transferring part
- inner core
- core plates
- constraint force
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Abstract
The utility model discloses a buckling restrained brace with a standby cable. The buckling restrained brace comprises energy dissipation inner core plates, a first connecting piece, a second connecting piece, end plates and a power transmission component. The power transmission component comprises an inner restraint power transmission part and an outer combined restraint power transmission part, one ends of the inner core plates are fixed to the upper surface and the lower surface of the inner restraint power transmission part, the other ends of the inner core plates are fixedly connected with the outer combined restraint power transmission part, at least one standby cable is arranged in the inner restraint power transmission part, the standby cable is fixed with the end plates arranged at the two ends of the outer combined restraint power transmission part, and each end plate is in contact with both the inner restraint power transmission part and the outer combined restraint power transmission part at the same time. According to the buckling restrained brace with the standby cable, on one hand, the buckling restrained brace with the standby cable can provide self-reset pressure for the structure which needs to control residual deformation under the action of an earthquake; on the other hand, the standby cable is in the stretch-draw state to provide follow-up rigidity for the structure after the deformation of the brace is beyond a certain range under the big earthquake.
Description
Technical field
The utility model belongs to field of civil engineering, relates to a kind of for reducing the buckling restrained brace of engineering structures earthquake disaster impact.
Background technology
Buckling restrained brace is a kind of support that has common support and metal damper dual-use function concurrently, due to its stable performance, the advantage such as easy to make, with low cost, has obtained in recent years studying widely and applying.But, as a kind of metal damper, still there are some problems that have much room for improvement in buckling restrained brace.
On the one hand, because buckling restrained brace utilizes core metal plate tension and compression surrender dissipation seismic energy, support itself can produce the permanent set of accumulation, thereby rehabilitation expense after the structure shake is made a significant impact, because the increase along with remnants deform angle between deck, therefore the maintenance cost of building can significantly increase, and even is greater than reconstruction expenses, and reducing permanent set after the shake of buckling restrained brace is one of problem had much room for improvement.For this reason, the utility model can provide self-resetting capability by the standby rope of stretch-draw.In this respect, the Self-resetting buckling restrained brace of existing technical examples described in publication CN101824922 B.But its Self-resetting buckling restrained brace force transferring part is square casing, and square casing is of a size of setting, two square casing sizes have determined the gap of thickness and core metal plate and the square casing of core metal plate, and research shows that constraint component (as confinement sleeve) and the gap of metal sheet are the key factors that affects the buckling restrained brace performance, and the outer combination constraint force transferring part the utility model proposes can be selected suitable composite member according to interior constraint force transferring part, size by the control group component forms the exact constrain to the core metal plate, can significantly improve the performance of Self-resetting buckling restrained brace.
In addition, the connector of Self-resetting buckling restrained brace one end of publication CN101824922 B can only extend out from interior square casing, make the necessary perforate of corresponding end plate, weakened the integral rigidity of end plate, and the connector extended out is size-constrained fixed because of spatial limitation, bending rigidity is little, forms and supports plane of weakness, causes the ease of connection of Self-resetting buckling restrained brace to be destroyed prior to supporting itself.And the connector the utility model proposes has been avoided the weakening of end plate and possible continuous damage.
On the other hand, when the experience violent earthquake, once buckling restrained brace enters yield situation, the rigidity supported will rapid drawdown, causes structure to form obvious weak floor, or because the fracture of buckling restrained brace damage accumulation is deactivated, also can cause structure to form weak floor, thereby making structure have the higher risk of collapsing, therefore improve buckling restrained brace surrender or post-rift degree of safety, is also a great problem.For this reason; the utility model can be using standby rope as rigidity deposit, by the length that standby rope is set, make when supporting axial deformation and be greater than designated value standby rope participate in stressed, form second protection; thereby avoid the distortion of structural weak layer excessive, and then cause the structural entity collapse.
Summary of the invention
technical problem
The utility model occurs that in order to solve traditional buckling restrained brace thereby the excessive residual distortion increases the rear rehabilitation cost of shake under geological process, perhaps or fracture too low at large shake effect lower support post-yield stiffness deactivated and causes structure the problem that weak floor even collapses to occur, and a kind of buckling restrained brace with standby rope is provided.
technical scheme
Technical solution adopted in the utility model is:
A kind of buckling restrained brace with standby rope, comprise energy consumption inner core plates, the first connector, the second connector, end plate and force transferring part, it is characterized in that: described force transferring part comprises interior constraint force transferring part and outer combination constraint force transferring part, described energy consumption inner core plates consists of an inner core plates and two end junction plates, side of each end junction plate is fixed in the surface of inner core plates one end along long side direction, one end of described energy consumption inner core plates is fixed on the side up and down of interior constraint force transferring part, the end that described the first connector and described energy consumption inner core plates are fixed on interior constraint force transferring part is fixed, one end of described the second connector and described outer combination constraint force transferring part is fixed, described outer combination constraint force transferring part is set in the outside of described interior constraint force transferring part, be formed with outside the gap of 1-2mm between combination constraint force transferring part and interior constraint force transferring part between [W is with 1] this constraint space of the described inner core plates of formation and inner core plates, the other end of described inner core plates is fixing to be fixed with described the second connector, also be provided with at least one standby rope in described interior constraint force transferring part, this standby rope is fixed by the end plate that is arranged on outer combination constraint force transferring part two ends, and each end plate contacts interior constraint force transferring part and outer combination constraint force transferring part simultaneously.
Described outer combination constraint force transferring part consists of two channel-section steels, four infill panels and two cover plates, each infill panel is positioned at the centre of two channel-section steels and two cover plates, every two infill panels are positioned at the upper and lower surface of two channel-section steels, the outside of every two infill panels is cover plates, form described gap between infill panel and cover plate and energy consumption inner core plates, retrain flexing outside the Nei He plane, plane of energy consumption inner core plates simultaneously.
In the middle of described, the constraint force transferring part is assembled by bolt.
The side up and down of described outer combination constraint force transferring part one end has the rectangle gap, and each end junction plate stretches out the rectangle gap be adjacent on outer combination constraint force transferring part; The two ends of each cover plate also have a described rectangle gap.
Described the first connector adopts bolt to be fixedly connected with described energy consumption inner core plates; Described the second connector also adopts bolt to be fixedly connected with described energy consumption inner core plates.
The utility model supports by two energy consumption inner core plates, interior constraint force transferring part, outer combination constraint force transferring part, at least one standby rope, end plate, the first connector, the second connector forms, described energy consumption inner core plates consists of an inner core plates and two end junction plates, side of each end junction plate is fixed in the surface of inner core plates one end along long side direction, interior constraint force transferring part is positioned at two energy consumption inner core plates inboards, the side up and down of outer combination constraint force transferring part one end has the rectangle gap, each end junction plate stretches out the rectangle gap be adjacent on outer combination constraint force transferring part, the first connector and the second connector are positioned at the two ends of outer combination constraint force transferring part outside, one end bolt of the first connector and two energy consumption inner core plates, two energy consumption inner core plates are affixed at the external surface up and down of the end with the first connector bolt and interior constraint force transferring part one end, the other end bolt of the second connector and two energy consumption inner core plates, one end of the second connector and outer combination constraint force transferring part is affixed.Standby rope is positioned at the inside of constraint force transferring part, and every standby rope two ends connect an end plate, and each end plate contacts interior constraint force transferring part and outer combination constraint force transferring part simultaneously.
beneficial effect
The utlity model has following beneficial effect:
1. the utility model adopts two channel-section steels, four infill panels and two outer combination constraint force transferring parts that cover plate forms, and will be somebody's turn to do the outside that outer combination constraint force transferring part is enclosed within interior constraint force transferring part, form outside the constraint space of described inner core plates between combination constraint force transferring part and interior constraint force transferring part, be formed with the gap of 1-2mm between this constraint space and inner core plates, outer combination constraint force transferring part and interior constraint force transferring part not only play the effect of transmission member internal force, flexing outside simultaneously can the Nei He plane, plane of exact constrain energy consumption inner core plates, can significantly improve the performance of Self-resetting buckling restrained brace.
2. the utility model adopts the outer combination constraint force transferring part of bolt pin-connected panel, be convenient to the rear member inspection of component assembly and shake and part replacement, and can realize connecting support and structure by two end junction plates of each energy consumption inner core plates, avoid the weakening of end plate and possible continuous damage.
3. the utility model is provided with at least one standby rope in the inside of interior constraint force transferring part, and fixes by end plate, can be according to the needs of structure design, and flexible Application buckling restrained brace of the present utility model, realize different functions.On the one hand, for the structure that needs to control permanent set under geological process, by pre-pretensioning, support inner standby rope, for support provides Self-resetting pressure, can obviously reduce the permanent set of member and structure; On the other hand, structure for the larger earthquake design to resist progressive collapse, thereby by the length that standby rope is set to be supported after under large shake, distortion exceeds certain limit standby rope enter tensile state and participate in stressedly, for structure provides larger follow-up rigidity, can prevent the appearance of structural weak layer and collapse.Therefore, the utility model has been realized the flexible Application of different designs function.
The accompanying drawing explanation
Fig. 1 is that energy consumption inner core plates is made schematic diagram;
Fig. 2 is energy consumption inner core plates and interior constraint force transferring part assembling schematic diagram,
Fig. 3 is the A-A sectional view of Fig. 2,
Fig. 4 is the B-B sectional view of Fig. 2,
Fig. 5 is the C-C sectional view of Fig. 2;
Fig. 6 is the independent assembling schematic diagram of outer combination constraint force transferring part,
Fig. 7 is the D-D sectional view of Fig. 6,
Fig. 8 is the E-E sectional view of Fig. 6;
Fig. 9 is the assembling schematic diagram of outer combination constraint force transferring part and internal part;
Figure 10 is that standby rope and end plate assembling, the first connector, the second connector are assembled to Components Composition and complete schematic diagram,
Figure 11 is the F-F sectional view of Figure 10,
Figure 12 is the G-G sectional view of Figure 10,
Figure 13 is the H-H sectional view of Figure 10;
Figure 14 is the I section enlarged diagram of Figure 12;
Figure 15 is left end end view after the member installation,
Figure 16 is right-hand member end view after the member installation.
The specific embodiment
Embodiment mono-: as shown in Fig. 1 ~ 16, bolt with the standby rope pin-connected panel double-core buckling restrained brace of present embodiment is by two energy consumption inner core plates 2, interior constraint force transferring part 1, outer combination constraint force transferring part 3, many standby ropes 4, end plate 5, the first connector 6, the second connector 7 forms, described energy consumption inner core plates 2 consists of an inner core plates 2-1 and two end junction plate 2-2, each side of end junction plate 2-2 is welded in the surface of inner core plates 2-1 mono-end by weld seam along long side direction, interior constraint force transferring part 1 is positioned at two energy consumption inner core plates 2 inboards, the side up and down of outer combination constraint force transferring part 3 one ends has rectangle gap 3-3-1, each end junction plate 2-2 stretches out the rectangle gap 3-3-1 be adjacent on outer combination constraint force transferring part, the first connector 6 and the second connector 7 are positioned at the two ends of outer combination constraint force transferring part 3 outsides, the first connector 6 is connected by high-strength bolt with an end of two energy consumption inner core plates 2, two energy consumption inner core plates 2 are welded by weld seam at the side of energy consumption inner core plates at the external surface up and down of the end with the first connector 6 bolts and interior constraint force transferring part 1 one ends, the second connector 7 is connected by high-strength bolt with the other end of two energy consumption inner core plates 2, the second connector 7 welds by weld seam at the side of the second connector with an end of outer combination constraint force transferring part 3, many standby ropes 4 are positioned at the inside of constraint force transferring part 1, every standby rope 4 two ends connect an end plate 5, constraint force transferring part 1 and outer combination constraint force transferring part 3 in each end plate 5 contacts simultaneously.
Embodiment bis-: as shown in Figure 6, the shape of each infill panel 3-2 of present embodiment is corresponding with the side edge shape of each energy consumption inner core plates 2, each infill panel 3-2 is positioned at the centre of two channel-section steel 3-1 and two cover plate 3-3, every two infill panel 3-2 are positioned at the upper and lower surface of two channel-section steel 3-1, the outside of every two infill panel 3-2 is a cover plate 3-3, the gap of infill panel 3-2 and cover plate 3-3 and energy consumption inner core plates 2 is about 1-2mm, this gap just in time forms the constraint space 8 of inner core plates 2, see Figure 14, this constraint space 8 retrains flexing outside the Nei He plane, plane of energy consumption inner core plates 2 simultaneously, without the flexing that constraint component constraint energy consumption inner core plates 2 is set specially.Other compositions and connected mode are identical with embodiment mono-.
Embodiment tri-: as shown in Fig. 1,2,9,10, the present embodiment is the assembling concrete steps of the utility model buckling restrained brace, as follows:
1. inner core plates two ends and the welding of end junction plate, form the energy consumption inner core plates with junction plate; The integrated connection of energy consumption inner core plates and interior constraint component, in the side edge welding of energy consumption inner core plates, has so been realized in one end of energy consumption inner core plates and the side up and down of interior constraint component.
2. two channel-section steels are placed in to the left and right sides of interior constraint force transferring part, spacing 1-2mm, four block filling plates are placed on respectively the top, the edge of a wing of each channel-section steel, then cover plate is placed on two infill panels in same plane, make end junction plate on energy consumption inner core plates by the rectangle gap on cover plate, then by high-strength bolt, two channel-section steels, four infill panels, two cover plates are connected into to an integral body and are outer combination constraint force transferring part; The gap of outer combination constraint force transferring part and interior constraint force transferring part and energy consumption inner core plates is 1-2mm, retrains flexing outside the Nei He plane, plane of energy consumption inner core plates simultaneously.
3. many standby ropes are passed to interior constraint force transferring part and end plate, if for the structure that needs to control permanent set under geological process, need to be by standby rope end plate place anchoring at one end, the end plate place of the other end carries out anchoring again after stretch-draw, for support provides Self-resetting pressure to reduce the permanent set of member and structure; If the structure for the larger earthquake design to resist progressive collapse, without the standby rope of stretch-draw, make to support between the end plate of an end and standby rope and reserve in advance some gaps, then at the standby rope of two ends end plate place anchoring, to be supported after under large shake, distortion exceeds certain limit standby rope enter tensile state, for structure provides larger follow-up rigidity, can prevent the appearance of structural weak layer and collapse.Like this, complete the assembling of the whole pin-connected panel of the bolt with standby rope double-core buckling restrained brace.
Claims (5)
1. the buckling restrained brace with standby rope, comprise energy consumption inner core plates (2), the first connector (6), the second connector (7), end plate (5) and force transferring part, it is characterized in that: described force transferring part comprises interior constraint force transferring part (1) and outer combination constraint force transferring part (3), described energy consumption inner core plates (2) consists of an inner core plates (2-1) and two end junction plates (2-2), each side of end junction plate (2-2) is fixed in the surface of inner core plates (2-1) end along long side direction, one end of described energy consumption inner core plates (2) is fixed on the side up and down of interior constraint force transferring part (1), described the first connector (5) is fixed with the end that described energy consumption inner core plates (2) is fixed on interior constraint force transferring part (1), described the second connector (6) retrains an end of force transferring part (3) and fixes with described outer combination, described outer combination constraint force transferring part (3) is set in the outside of described interior constraint force transferring part (1), form outside the constraint space (8) of described inner core plates (2) between combination constraint force transferring part (3) and interior constraint force transferring part (1), be formed with the gap of 1-2mm between this constraint space (8) and inner core plates (2), the other end of described inner core plates (2) is fixing fixing with described the second connector (6), also be provided with at least one standby rope (4) in described interior constraint force transferring part (1), this standby rope (4) is fixing by the end plate (5) that is arranged on outer combination constraint force transferring part (3) two ends, constraint force transferring part (1) and outer combination constraint force transferring part (3) in each end plate (5) contacts simultaneously.
2. the buckling restrained brace with standby rope according to claim 1, it is characterized in that: described outer combination constraint force transferring part (3) is by two channel-section steels (3-1), four infill panels (3-2) and two cover plates (3-3) form, each infill panel (3-2) is positioned at the centre of two channel-section steels (3-1) and two cover plates (3-3), every two infill panels (3-2) are positioned at the upper and lower surface of two channel-section steels (3-1), the outside of every two infill panels (3-2) is a cover plate (3-3), form described gap between infill panel (3-2) and cover plate (3-3) and energy consumption inner core plates (2), retrain flexing outside the Nei He plane, plane of energy consumption inner core plates (2) simultaneously.
3. the buckling restrained brace with standby rope according to claim 2 is characterized in that: described outer combination constraint force transferring part (3) is assembled by bolt.
4. the buckling restrained brace with standby rope according to claim 1 and 2, it is characterized in that: the side up and down at described outer combination constraint force transferring part (3) two ends has rectangle gap (3-3-1), and each end junction plate (2-2) stretches out the rectangle gap (3-3-1) be adjacent on outer combination constraint force transferring part (3); The two ends of each cover plate also have a described rectangle gap (3-3-1).
5. the buckling restrained brace with standby rope according to claim 1 and 2 is characterized in that: described the first connector adopts bolt to be fixedly connected with described energy consumption inner core plates; Described the second connector also adopts bolt to be fixedly connected with described energy consumption inner core plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320255566 CN203361391U (en) | 2013-05-10 | 2013-05-10 | Buckling restrained brace with standby cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320255566 CN203361391U (en) | 2013-05-10 | 2013-05-10 | Buckling restrained brace with standby cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203361391U true CN203361391U (en) | 2013-12-25 |
Family
ID=49809178
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320255566 Withdrawn - After Issue CN203361391U (en) | 2013-05-10 | 2013-05-10 | Buckling restrained brace with standby cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203361391U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103233590A (en) * | 2013-05-10 | 2013-08-07 | 东南大学 | Buckling-restrained brace with spare cable |
| CN107143059A (en) * | 2017-04-12 | 2017-09-08 | 上海大学 | A kind of space truss constrains board-like steel plate shear force wall |
-
2013
- 2013-05-10 CN CN 201320255566 patent/CN203361391U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103233590A (en) * | 2013-05-10 | 2013-08-07 | 东南大学 | Buckling-restrained brace with spare cable |
| CN103233590B (en) * | 2013-05-10 | 2015-12-16 | 东南大学 | With the buckling restrained brace of rope for subsequent use |
| CN107143059A (en) * | 2017-04-12 | 2017-09-08 | 上海大学 | A kind of space truss constrains board-like steel plate shear force wall |
| CN107143059B (en) * | 2017-04-12 | 2024-03-19 | 上海大学 | Space truss constraint plate type steel plate shear wall |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20131225 Effective date of abandoning: 20151216 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |