CN113982343A - Novel assembled area SMA is from restoring to throne bucking restraint support device - Google Patents
Novel assembled area SMA is from restoring to throne bucking restraint support device Download PDFInfo
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- CN113982343A CN113982343A CN202110931523.8A CN202110931523A CN113982343A CN 113982343 A CN113982343 A CN 113982343A CN 202110931523 A CN202110931523 A CN 202110931523A CN 113982343 A CN113982343 A CN 113982343A
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- 229910000831 Steel Inorganic materials 0.000 claims description 126
- 239000010959 steel Substances 0.000 claims description 126
- 101000623895 Bos taurus Mucin-15 Proteins 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 8
- 230000007704 transition Effects 0.000 claims description 6
- 229910001369 Brass Inorganic materials 0.000 claims description 5
- 239000010951 brass Substances 0.000 claims description 5
- 238000005265 energy consumption Methods 0.000 abstract description 11
- 230000006835 compression Effects 0.000 abstract 1
- 238000007906 compression Methods 0.000 abstract 1
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 206010066054 Dysmorphism Diseases 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000000452 restraining effect Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
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- 230000007246 mechanism Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
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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
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/98—Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
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- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
The invention provides a novel assembly type self-resetting buckling restrained brace device with SMA. The self-resetting system of the device allows the overall structure to be tensioned whether in compression or tension to provide the structure with considerable self-resetting properties. The energy consumption system of the device also enables the whole structure to have excellent energy consumption performance. Therefore, when the integral structure is applied to engineering through an external connection system, the earthquake-resistant function that the building structure is not damaged by small earthquake and medium earthquake and can be replaced by large earthquake can be realized, the excellent energy consumption performance is realized while the building is ensured to generate smaller residual deformation, and the requirements of rigidity, energy consumption and bearing capacity in the design of the normal use limit state and the bearing capacity limit state of the building structure can be met.
Description
Technical Field
The invention relates to the technical field of structural engineering, in particular to a buckling restrained brace device.
Background
Two largest earthquake concentrated occurrence zones in the world in China, namely the Pacific earthquake zone and the Eurasian earthquake zone, have more and stronger earthquakes in China, so that China becomes one of the countries which are most damaged by the earthquakes in the world, therefore, the earthquake resistance of the building structure has important significance for the life and property safety of people, the damage of the earthquake to the building structure mainly comes from transverse waves generated by the earthquake, the transverse waves enable the foundation to generate larger motion acceleration, and the structure bears huge lateral force, so that the structural rigidity, the ductility and the energy consumption performance become the indexes for measuring the earthquake resistance of the structure.
The traditional building structure is designed by adopting a ductility earthquake-resistant concept, earthquake energy is effectively dissipated at the cost of node plastic deformation or support buckling constraint, but the use function of the building is immediately lost after the earthquake due to overlarge residual deformation generated by energy consumption, even the building is permanently invalid, the building is extremely not favorable for disaster settlement after the earthquake and the urban economic and property safety, and further improvement is needed. In the prior art, most self-resetting energy dissipation supports are single in energy dissipation form, and only material energy dissipation or friction energy dissipation is utilized, so that the integral support energy dissipation performance is poor.
Disclosure of Invention
The invention aims to provide a novel assembly type self-resetting buckling restrained brace device with SMA, which is characterized by comprising a linear brace core, outer U-shaped steel, inner U-shaped steel, a plurality of bolts I, a plurality of bolts II, a special-shaped component I and a special-shaped component II.
U type inslot portion of outer U shaped steel holds in-line support core and interior U shaped steel. The linear supporting core is made of a plate-shaped material, and two ends of the linear supporting core are provided with connecting end plates positioned outside the outer U-shaped steel. The upper and lower plate surfaces of the linear support core face the inner U-shaped steel and the outer U-shaped steel respectively. U type notch of interior U shaped steel supports the core in a line dorsad, and the U type inslot portion of interior U shaped steel holds dysmorphism component I and dysmorphism component II.
The special-shaped component I comprises a horizontal section I, a vertical section I, a horizontal section II and a vertical section II. The vertical section I, the horizontal section II and the vertical section II form a U shape, and the plate surface of the horizontal section II in the U-shaped notch is a friction surface I. The special-shaped component II is L-shaped and comprises a horizontal section III and a vertical section III. The surface of the horizontal section III in the L-shaped semi-surrounding area is a friction surface II. The special-shaped component I and the special-shaped component II form a special-shaped assembly. After the two are combined together, the vertical section II contacts the friction surface II. The vertical section III is in contact with the friction surface I. The vertical section I and the vertical section III are connected through an SMA cable I. The vertical section III is connected with the vertical section II through an SMA cable II.
The special-shaped combination body is connected with the linear support core through a bolt II. The outer U-shaped steel and the inner U-shaped steel are connected through a bolt I.
Further, still include the channel-section steel apron. The channel steel cover plate is connected with the outer U-shaped steel and/or the inner U-shaped steel through bolts I. The channel steel cover plate and the outer U-shaped steel are enclosed to form a cylindrical structure, and the special-shaped combination body and the inner U-shaped steel penetrate into an inner cavity of the cylindrical structure.
Furthermore, the in-line support core is composed of a middle yielding section, connecting end plates at two ends and a transition section for connecting the yielding section and the connecting end plates.
The connecting end plate is in the shape of a trapezoid with openings for connection with the profile assembly and the external element.
The width of the yielding segment is smaller than the width of the transition segment and the connecting end plate.
Further, still include the gag lever post. The limiting rod penetrates through the linear support core, and limits the linear support core to the inner U-shaped steel and/or the outer U-shaped steel. Furthermore, the upper plate surface and the lower plate surface of the linear support core respectively leave a gap of 1-2 mm with the inner U-shaped steel and the outer U-shaped steel, so that a deformation space is provided for the linear support core to be pressed and bent.
Furthermore, the two sides of the inner part of the U-shaped groove of the outer U-shaped steel are provided with sliding grooves. The sliding groove is flush with the linear support core.
Furthermore, flanges are arranged on two sides of the U-shaped groove of the outer U-shaped steel to form a tongue-and-groove connected with the channel steel cover plate.
Two rows of through holes are formed in the two sides of the outer U-shaped steel. Two rows of through holes are formed in the two sides of the outer U-shaped steel. Both sides of the channel steel cover plate are provided with a row of through holes.
And the lower row of through holes on the two sides of the outer U-shaped steel are aligned with the lower row of through holes on the two sides of the outer U-shaped steel and are connected by bolts I.
The upper rows of through holes on the two sides of the outer U-shaped steel are aligned with the through holes of the channel steel cover plate, and are connected through bolts I.
Furthermore, the end heads of the horizontal sections I and III are provided with through holes for connecting bolts II with connecting end plates of the in-line support core.
Furthermore, the SMA cable I and the SMA cable II are anchored with the special-shaped component I and the special-shaped component II through anchors.
Further, the steel plate with the holes is also included. The perforated connecting steel plate is connected with the in-line supporting core and the building component through a bolt III.
Further, the bolt I and the bolt III are high-strength bolts. The bolt II is a common bolt.
The self-resetting energy-consuming brace has the advantages that undoubtedly, through designing a special structure and an energy-consuming mechanism, the energy-consuming performance of the self-resetting energy-consuming brace is obviously improved, meanwhile, the rigidity of the brace structure is greatly improved due to the introduction of the buckling restrained brace, and the lateral displacement of a frame structure provided with the brace is reduced. When the integral structure bears earthquake reciprocating load, the linear core is supported to extend and shorten, so that the two special-shaped members generate relative motion, the relative motion enables the SMA cable materials anchored at the vertical sections of the two special-shaped members to always have a group of tension, after the relative motion is reversed, the group of SMA cables which are previously tensioned start to unload, and the residual deformation of the unloaded SMA cable materials is close to zero, so that the SMA cable materials can provide stable resisting rigidity for the structural deformation, and the self-resetting function of the structure is realized. Compared with other self-resetting buckling restrained braces, the structure almost achieves full assembly, only adopts bolt connection, is rapid and simple in assembly method, and has industrial potential.
Drawings
FIG. 1 is a general assembly drawing of the present invention
FIG. 2 is an exploded view of the present invention
FIG. 3 is a diagram of an energy consumption system of the present invention
FIG. 4 is an exploded view of the energy consuming system of the present invention;
FIG. 5 is a schematic view of the core of the profiled element of the present invention;
FIG. 6 is an exploded schematic view of the core portion of the profile member of FIG. 5;
FIG. 7 is a schematic view of a perforated connecting steel plate according to the present invention;
fig. 8 is an exploded view of the perforated connecting steel plate of fig. 7.
In the figure: the steel cable comprises a linear support core (1), a yielding section (101), a connecting end plate (102), a transition section (103), outer U-shaped steel (2), a sliding groove (201), a flange (202), inner U-shaped steel (3), a channel steel cover plate (4), a limiting rod (5), a bolt I (6), a special-shaped member I (7), a horizontal section I (701), a vertical section I (702), a horizontal section II (703), a friction surface I (7031), a vertical section II (704), a special-shaped member II (8), a horizontal section III (801), a friction surface II (8011), a vertical section III (802), an anchorage device (9), an SMA cable I (10), an SMA cable II (11), a bolt II (12), a connecting steel plate with holes (13) and a bolt III (14).
Detailed Description
The present invention is further illustrated by the following examples, but it should not be construed that the scope of the above-described subject matter is limited to the following examples. Various substitutions and alterations can be made without departing from the technical idea of the invention and the scope of the invention is covered by the present invention according to the common technical knowledge and the conventional means in the field.
Example 1:
a novel assembly type self-resetting buckling restrained brace device with SMA is characterized by comprising a straight brace core 1, outer U-shaped steel 2, inner U-shaped steel 3, a plurality of bolts I6, a plurality of bolts II12, a special-shaped component I7 and a special-shaped component II 8.
U type inslot portion of outer U shaped steel 2 holds in line support core 1 and interior U shaped steel 3. The in-line support core 1 is a plate-shaped material, and two ends of the in-line support core are provided with connecting end plates 102 positioned outside the outer U-shaped steel 2. The upper and lower plate surfaces of the linear support core 1 face the inner U-shaped steel 3 and the outer U-shaped steel 2 respectively. U type notch of interior U shaped steel 3 supports core 1 in a line dorsad, and the U type inslot portion of interior U shaped steel 3 holds dysmorphism component I7 and dysmorphism component II 8.
The special-shaped component I7 comprises a horizontal section I701, a vertical section I702, a horizontal section II703 and a vertical section II 704. The vertical section I702, the horizontal section II703 and the vertical section II704 form a U shape, and the plate surface of the horizontal section II703 in the U-shaped notch is a friction surface I7031. The special-shaped component II8 is L-shaped and comprises a horizontal section III801 and a vertical section III 802. The surface of the horizontal section III801 in the L-shaped semi-enclosed region is a friction surface II 8011. The special-shaped component I7 and the special-shaped component II8 form a special-shaped assembly. When the two are combined, the vertical section II704 contacts the friction surface II 8011. The vertical section III802 is in contact with the friction face I7031. Vertical section I702 is connected to vertical section III802 by SMA cable I10. Vertical section III802 is connected to vertical section II704 by SMA cable II 11.
The special-shaped assembly is connected with the linear support core 1 through a bolt II 12. The outer U-shaped steel 2 and the inner U-shaped steel 3 are connected through bolts I6.
Example 2:
the main structure of this embodiment is the same as embodiment 1, and further includes a channel steel cover plate 4. The channel steel cover plate 4 is connected with the outer U-shaped steel 2 and/or the inner U-shaped steel 3 through bolts I6.
The channel steel cover plate 4 and the outer U-shaped steel 2 are enclosed into a cylindrical structure, and the special-shaped combination body and the inner U-shaped steel 3 penetrate into an inner cavity of the cylindrical structure.
Example 3:
the main structure of this embodiment is the same as that of embodiment 1, and further, the in-line support core 1 is composed of a middle yielding segment 101, connecting end plates 102 at both ends, and a transition segment 103 connecting the yielding segment 101 and the connecting end plates 102.
The connecting end plate 102 is a trapezoidal shape with openings for connection with the profile assembly and the external member.
The width of the yield segment 101 is less than the width of the transition segment 103 and the connecting end plate 102.
Example 4:
the main structure of this embodiment is the same as embodiment 1, and further includes a stopper rod 5. In order to limit the sliding of the whole body formed by connecting the outer U-shaped steel 2, the inner U-shaped steel 3 and the channel steel cover plate 4 in the using process due to gravity, holes are formed in the linear supporting core 1 and the inner U-shaped steel 3, the limiting rod 5 is embedded to enable the energy dissipation system to work normally, and the two ends of the inner groove of the outer U-shaped steel are planed to be empty in a certain size so as to accommodate the displacement of the supporting core. In the embodiment, the limiting rod 5 penetrates through the linear support core 1 to limit the linear support core 1 to the inner U-shaped steel 3 and the outer U-shaped steel 2. Further, the upper and lower face of in-line support core 1 leaves 1 ~ 2mm space with interior U shaped steel 3 and outer U shaped steel 2 respectively, provides the deformation space for in-line support core 1 buckling.
Example 5:
the main structure of this embodiment is the same as that of embodiment 1, and further, sliding grooves 201 are provided on both sides of the inside of the U-shaped groove of the outer U-shaped steel 2. The sliding groove 201 is flush with the in-line support core 1.
Example 6:
the main structure of this embodiment is the same as embodiment 1, and further, the thickness of the cross section of the flange end portion of the outer U-section steel 2 is reduced, and a first row of bolt holes are formed for connecting the flange of the inner U-section steel 3 and the flange of the channel steel cover plate 4. And a second row of bolt holes are formed in the flange part of the outer U-shaped steel 2, which does not weaken the thickness of the section, and are used for connecting the inner U-shaped steel 3. In the embodiment, two rows of bolt holes are formed in the positions corresponding to the holes of the flanges of the inner U-shaped steel 3 and the flanges of the outer U-shaped steel 2. Flanges 202 are arranged on two sides of the U-shaped groove of the outer U-shaped steel 2 to form a tongue-and-groove connected with the channel steel cover plate 4.
Two rows of through holes are formed in the two sides of the outer U-shaped steel 2. Two rows of through holes are formed in the two sides of the outer U-shaped steel 2. Both sides of the channel steel cover plate 4 are provided with a row of through holes.
The lower rows of through holes on the two sides of the outer U-shaped steel 2 are aligned with the lower rows of through holes on the two sides of the outer U-shaped steel 2 and are connected by bolts I6.
The upper rows of through holes on the two sides of the outer U-shaped steel 2 are aligned with the through holes of the channel steel cover plate 4, and are connected through bolts I6. Bolt I6 adopts high strength bolt, and the connection of two rows of high strength bolts helps to increase structural integrity.
Example 7:
the main structure of this embodiment is the same as that of embodiment 1, and further, the ends of the horizontal sections I701 and III801 have through holes for connecting bolts II12 with the connecting end plate 102 of the in-line support core 1. The self-reset system is connected with the energy dissipation system by connecting the bolts II12 with the two ends of the in-line support core 1.
Example 8:
the main structure of the embodiment is the same as that of embodiment 1, and further, the SMA cable I10 and the SMA cable I11 are anchored with the profiled component I7 and the profiled component II8 through an anchorage device 9. The SMA cables I10 and I11 each have at least two cables. The two groups of SMA cables I10 and I11 can be symmetrically arranged in the cross section direction of the structure, so that the overall structure achieves static balance after prestress is applied, through the reasonable design of the self-resetting system, one group of SMA cables always keeps tension in the process that the device is subjected to earthquake reciprocating load, and the self-resetting function of the overall structure is realized by utilizing the super-elastic effect of the SMA cables.
The SMA cable selected by the embodiment has the elastic modulus of about 40GPa and the elongation of 6-8%.
Example 9:
the main structure of this embodiment is the same as that of embodiment 1, and further, the external connection system of this device includes a perforated connection steel plate 13 and a bolt III 14. Bolt III14 is a high strength bolt. The number of the connecting steel plates 13 is four, and the connecting sections at the two ends of the linear support core 1 and the frame gusset plate are respectively clamped by the two connecting steel plates and are connected by high-strength bolts 14. The perforated connecting steel plate 13 connects the in-line support core 1 with the external building through the bolt III 14. I.e. so that the device is installed within a building structure where seismic reciprocation may occur. The device can form good integral working performance with the frame by matching the external connecting system with the frame node plate, thereby forming a frame-supporting structure system.
Example 10:
the main structure of this embodiment is the same as that of embodiment 1, and the friction surfaces I7031 and II8011 are made of brass. In the stress process of the self-resetting system, the special-shaped component I7 and the special-shaped component II8 slide mutually, and normal stress is generated on the friction surface due to buckling of the linear support core. Two friction surfaces of the special-shaped component I7 and the special-shaped component II8 which are in mutual sliding contact are welded with brass plates, and energy consumption is carried out through friction between the brass plates and the end faces of the tail ends of the special-shaped components. A restraining outer sleeve consisting of the in-line bracing core 1, the outer U-shaped steel 2, the inner U-shaped steel 3, the channel steel cover plate 4 and the bolt I6 can be provided with a gap of 1-2 mm in the transverse and longitudinal directions of the cross section, so that multi-wave buckling is generated in the stress process of the in-line bracing core 1 to cause the whole cross section to yield, and the main energy consumption function of the self-resetting buckling restraining bracing is realized. In addition, two auxiliary energy consuming functions are present. Firstly, relative sliding is generated between two special-shaped components in the stress process of the integral structure, and simultaneously, the special-shaped components generate positive pressure in the normal direction of a friction surface due to the out-of-plane multi-wave buckling of the in-line support core 1, so that energy can be consumed through the friction between the friction surface made of brass and the end surface of the vertical section of the special-shaped components; secondly, the energy consumption performance of the SMA material is reused, and the energy consumption function of the whole structure is further increased. Each part of the device of the embodiment can be prefabricated, all components are connected through bolts, assembly is fast and convenient, and the device has industrial production potential.
Claims (10)
1. A novel assembly type self-resetting buckling restrained brace device with SMA is characterized by comprising a straight brace core (1), outer U-shaped steel (2), inner U-shaped steel (3), a plurality of bolts I (6), a plurality of bolts II (12), a special-shaped component I (7) and a special-shaped component II (8);
a linear support core (1) and an inner U-shaped steel (3) are accommodated in a U-shaped groove of the outer U-shaped steel (2); the linear support core (1) is made of a plate-shaped material, and two ends of the linear support core are provided with connecting end plates (102) positioned outside the outer U-shaped steel (2); the upper plate surface and the lower plate surface of the linear support core (1) face the inner U-shaped steel (3) and the outer U-shaped steel (2) respectively; a U-shaped groove opening of the inner U-shaped steel (3) faces back to the in-line supporting core (1), and a special-shaped component I (7) and a special-shaped component II (8) are accommodated in the U-shaped groove of the inner U-shaped steel (3);
the special-shaped component I (7) comprises a horizontal section I (701), a vertical section I (702), a horizontal section II (703) and a vertical section II (704); the vertical section I (702), the horizontal section II (703) and the vertical section II (704) form a U shape, and the plate surface of the horizontal section II (703) in the U-shaped notch is a friction surface I (7031); the special-shaped component II (8) is L-shaped and comprises a horizontal section III (801) and a vertical section III (802); the surface of the horizontal section III (801) in the L-shaped semi-surrounding area is a friction surface II (8011); the special-shaped component I (7) and the special-shaped component II (8) form a special-shaped assembly; after the two are combined together through the two groups of SMA cables, the vertical section II (704) is contacted with a friction surface II (8011); the vertical section II (802) is in contact with the friction surface I (7031); the vertical section I (702) is connected with the vertical section III (802) through an SMA cable I (10); the vertical section III (802) is connected with the vertical section II (704) through an SMA cable II (11);
the special-shaped assembly is connected with the linear support core (1) through a bolt II (12); the outer U-shaped steel (2) and the inner U-shaped steel (3) are connected through bolts I (6).
2. The novel assembled self-resetting buckling restrained brace device with SMA as claimed in claim 1, wherein: the steel plate is characterized by also comprising a channel steel cover plate (4); the channel steel cover plate (4) is connected with the outer U-shaped steel (2) and/or the inner U-shaped steel (3) through bolts I (6); the channel steel cover plate (4) and the outer U-shaped steel (2) enclose a cylindrical structure, and the special-shaped combination body and the inner U-shaped steel (3) penetrate into an inner cavity of the cylindrical structure.
3. The novel assembled self-resetting buckling restrained brace device with SMA as claimed in claim 1, wherein: the I-shaped support core (1) is composed of a middle yielding section (101), connecting end plates (102) at two ends, and transition sections (103) connecting the yielding section (101) and the connecting end plates (102).
4. The novel assembled self-resetting buckling restrained brace device with SMA as claimed in claim 1, wherein: the device also comprises a limiting rod (5); the limiting rod (5) penetrates through the linear support core (1) to limit the linear support core (1) on the inner U-shaped steel (3) and/or the outer U-shaped steel (2).
5. The novel assembled self-resetting buckling restrained brace device with SMA as claimed in claim 1, wherein: two sides of the inner part of the U-shaped groove of the outer U-shaped steel (2) are provided with sliding grooves (201); the sliding groove (201) is flush with the linear support core (1).
6. The novel assembled self-resetting buckling restrained brace device with SMA as claimed in claim 2, wherein: flanges (202) are arranged at the end parts of flange edges on two sides of a U-shaped groove of the outer U-shaped steel (2) to form tongue-and-groove connected with the channel steel cover plate (4);
two rows of through holes are formed in the two sides of the outer U-shaped steel (2); two rows of through holes are formed in the two sides of the outer U-shaped steel (2); a row of through holes are formed in the two sides of the channel steel cover plate (4);
the lower row of through holes on the two sides of the outer U-shaped steel (2) are aligned with the lower row of through holes on the two sides of the outer U-shaped steel (2) and are connected by bolts I (6);
the upper rows of through holes on the two sides of the outer U-shaped steel (2) are aligned with the through holes of the channel steel cover plate (4) on the two sides of the outer U-shaped steel (2) and are connected through bolts I (6).
7. The novel assembled self-resetting buckling restrained brace device with SMA as claimed in claim 1, wherein: the ends of the horizontal sections I (701) and III (801) are provided with through holes for connecting bolts II (12) with the connecting end plate (102) of the linear support core (1).
8. The novel assembled self-resetting buckling restrained brace device with SMA as claimed in claim 1, wherein: the SMA cable I (10) and the SMA cable I (11) are anchored with the special-shaped component I (7) and the special-shaped component II (8) through an anchorage device (9).
9. The novel assembled self-resetting buckling restrained brace device with SMA as claimed in claim 1, wherein: also comprises a perforated connecting steel plate (13); the perforated connecting steel plate (13) is connected with the in-line supporting core (1) and the building component through a bolt III (14).
10. The novel assembled self-resetting buckling restrained brace device with SMA as claimed in claim 9, wherein: the friction surface I (7031) and the friction surface II (8011) are made of brass;
the bolt I (6) and the bolt III (14) are high-strength bolts; the bolt II (12) is a common bolt.
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| CN202110931523.8A CN113982343B (en) | 2021-08-13 | 2021-08-13 | Novel assembled take SMA to reset buckling restrained brace device |
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| CN202110931523.8A CN113982343B (en) | 2021-08-13 | 2021-08-13 | Novel assembled take SMA to reset buckling restrained brace device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114046077A (en) * | 2021-10-09 | 2022-02-15 | 重庆大学 | Assembled double-sleeve self-resetting energy-consuming steel support with SMA cable |
| CN114622481A (en) * | 2022-03-31 | 2022-06-14 | 中冶集团武汉勘察研究院有限公司 | Double-column type self-resetting pier structure with buckling-restrained brace and construction method thereof |
Citations (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103328736A (en) * | 2011-01-14 | 2013-09-25 | C·克瑞斯托普罗斯 | Coupling member for damping vibrations in building structures |
| CN105155709A (en) * | 2015-08-06 | 2015-12-16 | 北京建筑大学 | Repair-free self-resetting friction energy-consuming support |
| CN105544768A (en) * | 2016-02-03 | 2016-05-04 | 北京堡瑞思减震科技有限公司 | Combined steel pipe gypsum type buckling constraint support and manufacturing method thereof |
| WO2016167670A1 (en) * | 2015-04-17 | 2016-10-20 | University Of Canterbury | Energy dissipation device |
| AU2015394927B1 (en) * | 2015-09-28 | 2017-02-02 | China University Of Mining And Technology | All-steel double-plate self-resetting buckling-restrained brace device and method |
| CN106812366A (en) * | 2017-03-05 | 2017-06-09 | 北京工业大学 | A kind of assembled Self-resetting energy dissipation brace structure |
| CN109457828A (en) * | 2018-11-16 | 2019-03-12 | 长安大学 | A kind of double constraint self reset curvature-prevention energy dissipation braces |
| CN109763582A (en) * | 2019-03-11 | 2019-05-17 | 江苏科技大学 | A kind of connection of groove can repairing type Low Yield Point Steel damper |
| CN109779067A (en) * | 2019-03-25 | 2019-05-21 | 重庆大学 | A kind of novel shearing-type is supported without energy consuming |
| WO2019223294A1 (en) * | 2018-05-22 | 2019-11-28 | 扬州大学 | Novel shock absorption self-resetting energy-consuming inhaul cable supporting device |
| CN111207174A (en) * | 2020-03-20 | 2020-05-29 | 扬州大学 | Displacement amplification type self-resetting damper based on shape memory alloy |
| CN111502056A (en) * | 2020-03-23 | 2020-08-07 | 北京交通大学 | Deformation self-recoverable assembled buckling restrained brace |
| CN111535469A (en) * | 2020-07-07 | 2020-08-14 | 湖南大学 | Self-resetting support with energy consumption time sequence characteristics and assembling method thereof |
| CN111827761A (en) * | 2020-06-22 | 2020-10-27 | 同济大学 | Self-resetting support provided with stepless friction energy consumption adjusting device |
| AU2020102373A4 (en) * | 2020-06-10 | 2020-11-05 | Fuzhou University | Self-Resetting Ferromagnetic Shape Memory Alloy Compound Damper and Working Method Thereof |
| CN112096158A (en) * | 2020-09-15 | 2020-12-18 | 重庆大学 | Assembly type self-resetting beam column joint and construction method thereof |
| CN112431318A (en) * | 2020-11-20 | 2021-03-02 | 广州大学 | Multi-step inhaul cable type energy dissipation support and energy dissipation method thereof |
| CN112576670A (en) * | 2020-12-04 | 2021-03-30 | 江苏科技大学 | Rotatable reduction friction composite metal damper |
| CN113944360A (en) * | 2021-11-15 | 2022-01-18 | 重庆大学 | Multi-stage self-resetting support member and assembling method thereof |
| CN114046077A (en) * | 2021-10-09 | 2022-02-15 | 重庆大学 | Assembled double-sleeve self-resetting energy-consuming steel support with SMA cable |
-
2021
- 2021-08-13 CN CN202110931523.8A patent/CN113982343B/en active Active
Patent Citations (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103328736A (en) * | 2011-01-14 | 2013-09-25 | C·克瑞斯托普罗斯 | Coupling member for damping vibrations in building structures |
| WO2016167670A1 (en) * | 2015-04-17 | 2016-10-20 | University Of Canterbury | Energy dissipation device |
| CN105155709A (en) * | 2015-08-06 | 2015-12-16 | 北京建筑大学 | Repair-free self-resetting friction energy-consuming support |
| AU2015394927B1 (en) * | 2015-09-28 | 2017-02-02 | China University Of Mining And Technology | All-steel double-plate self-resetting buckling-restrained brace device and method |
| CN105544768A (en) * | 2016-02-03 | 2016-05-04 | 北京堡瑞思减震科技有限公司 | Combined steel pipe gypsum type buckling constraint support and manufacturing method thereof |
| CN106812366A (en) * | 2017-03-05 | 2017-06-09 | 北京工业大学 | A kind of assembled Self-resetting energy dissipation brace structure |
| WO2019223294A1 (en) * | 2018-05-22 | 2019-11-28 | 扬州大学 | Novel shock absorption self-resetting energy-consuming inhaul cable supporting device |
| CN109457828A (en) * | 2018-11-16 | 2019-03-12 | 长安大学 | A kind of double constraint self reset curvature-prevention energy dissipation braces |
| CN109763582A (en) * | 2019-03-11 | 2019-05-17 | 江苏科技大学 | A kind of connection of groove can repairing type Low Yield Point Steel damper |
| CN109779067A (en) * | 2019-03-25 | 2019-05-21 | 重庆大学 | A kind of novel shearing-type is supported without energy consuming |
| CN111207174A (en) * | 2020-03-20 | 2020-05-29 | 扬州大学 | Displacement amplification type self-resetting damper based on shape memory alloy |
| CN111502056A (en) * | 2020-03-23 | 2020-08-07 | 北京交通大学 | Deformation self-recoverable assembled buckling restrained brace |
| AU2020102373A4 (en) * | 2020-06-10 | 2020-11-05 | Fuzhou University | Self-Resetting Ferromagnetic Shape Memory Alloy Compound Damper and Working Method Thereof |
| CN111827761A (en) * | 2020-06-22 | 2020-10-27 | 同济大学 | Self-resetting support provided with stepless friction energy consumption adjusting device |
| CN111535469A (en) * | 2020-07-07 | 2020-08-14 | 湖南大学 | Self-resetting support with energy consumption time sequence characteristics and assembling method thereof |
| CN112096158A (en) * | 2020-09-15 | 2020-12-18 | 重庆大学 | Assembly type self-resetting beam column joint and construction method thereof |
| CN112431318A (en) * | 2020-11-20 | 2021-03-02 | 广州大学 | Multi-step inhaul cable type energy dissipation support and energy dissipation method thereof |
| CN112576670A (en) * | 2020-12-04 | 2021-03-30 | 江苏科技大学 | Rotatable reduction friction composite metal damper |
| CN114046077A (en) * | 2021-10-09 | 2022-02-15 | 重庆大学 | Assembled double-sleeve self-resetting energy-consuming steel support with SMA cable |
| CN113944360A (en) * | 2021-11-15 | 2022-01-18 | 重庆大学 | Multi-stage self-resetting support member and assembling method thereof |
Non-Patent Citations (2)
| Title |
|---|
| 刘韦华: "基于新型SMA-屈曲约束支撑的钢框架结构减震分析", 《中国优秀硕士学位论文全文数据库 工程科技Ⅱ辑》, vol. 2021, no. 01, 16 December 2020 (2020-12-16) * |
| 王宇航;古朝伟;唐琦;石宇;张海宾;叶露;: "纯剪荷载作用下帽型冷弯薄壁型钢屈曲约束钢板墙元的抗震性能试验研究", 建筑结构学报, no. 06, 22 May 2020 (2020-05-22) * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114046077A (en) * | 2021-10-09 | 2022-02-15 | 重庆大学 | Assembled double-sleeve self-resetting energy-consuming steel support with SMA cable |
| CN114046077B (en) * | 2021-10-09 | 2024-05-24 | 重庆大学 | Assembled double-sleeve self-resetting energy-consumption steel support with SMA cable |
| CN114622481A (en) * | 2022-03-31 | 2022-06-14 | 中冶集团武汉勘察研究院有限公司 | Double-column type self-resetting pier structure with buckling-restrained brace and construction method thereof |
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