CN207469445U - A kind of SMA Self-resettings ductility shears thin plate bracing members - Google Patents
A kind of SMA Self-resettings ductility shears thin plate bracing members Download PDFInfo
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- CN207469445U CN207469445U CN201720878369.1U CN201720878369U CN207469445U CN 207469445 U CN207469445 U CN 207469445U CN 201720878369 U CN201720878369 U CN 201720878369U CN 207469445 U CN207469445 U CN 207469445U
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- ductility
- plate
- type steel
- anchor
- steel support
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Abstract
The utility model is a kind of SMA Self-resettings ductility shearing thin plate bracing members, the support is made of ductility shearing sheet metal, rectangular edges plate, type steel support, marmem beam, anchor, plate hinge and corresponding connector, the support utilizes, and there is pinch hysteretic characteristics ductility shearing sheet metal to provide horizontal bearing capacity and anti-side rigidity, and realize energy consumption, around the marmem Shu Shixian reset functions being entangled on anchor.The Self-resetting ductility shearing thin plate bracing members of the utility model have the advantages that reset capability is strong, horizontal bearing capacity is high, anti-side rigidity is big, energy dissipation capacity is excellent, at low cost, the main lateral resistant member of anti-seismic structure is suitable as, has extensive future in engineering applications in earthquake prone areas.
Description
Technical field
The utility model belongs to civil engineering structure anti-seismic technology field, and in particular to a kind of SMA Self-resettings ductility shearing
Thin plate bracing members.
Background technology
At present, earthquake is still one of Major Natural Disasters for leading to building destruction, causing casualties, although through anti-
The traditional structure of shake design has realized the target of " no collapsing with strong earthquake ", but structure can generate larger residual deformation and not only result in after shaking
Building uses the interruption of function, can also increase the difficulty of repair function after shake, generates the rehabilitation expense of great number.So exploitation shake
Residual deformation is small afterwards, and the novel earthquake-proof component with reset function has great importance.Some domestic and international scholars have developed
The Self-resetting steel supporting component of Novel series, the citation form of these supports is to be combined energy-consuming device and reset components, real
The dual function for resetting and consuming energy is showed.Although the reset support of utility model is respectively provided with reset and energy dissipation capacity, but still deposits
In some drawbacks.When such as realizing reset function using prestress wire, the component on periphery can be produced by applying excessive prestressing force
Raw to adversely affect, the Relaxation of prestressing under normal operating condition is also a problem.Such as using shape-memory alloy wire/beam/
（Shape Memory Alloys, abbreviation SMA）When realizing reset function, because the hysteretic characteristics of energy-consuming device are excessively full, cause
Shape-memory alloy wire/beam dosage is huge, with high costs.Based on this, the utility model proposes using special with pinch hysteresis
The sheet metal of sign is as the critical piece for providing anti-side rigidity and horizontal bearing capacity, using a small amount of SMA is set to realize reset function,
It is proposed a kind of novel ductility shearing thin plate bracing members with runback bit function.
Utility model content
The purpose of the utility model is to overcome problems of the existing technology, provide a kind of energy consumption excellent, reset effect
The novel Self-resetting ductility shearing thin plate bracing members good, horizontal bearing capacity is high, anti-side rigidity is big, SMA dosages are minimum.The support
Horizontal bearing capacity and axial rigidity are provided by the sheet metal with pinch hysteretic characteristics, are remembered by applying prestressed shape on a small quantity
Recall alloy wire and realize reset function.Meanwhile under the premise of reset function is ensured, SMA wire timber-used amount is greatly reduced, reduces
Cost.
To realize above-mentioned technical purpose and the technique effect, the utility model is achieved through the following technical solutions：
A kind of SMA Self-resettings ductility shears thin plate bracing members, shears sheet metal including ductility, the ductility shears sheet metal
It is solid on four side end faces of the ductility shearing sheet metal including at least the adjacent side end face two-by-two of two horizontal end faces and four
It is connected to rectangular edges plate and forms the energy-consuming parts with lateral rigidity, the adjoiner between side end face has been respectively and fixedly connected with shaped steel
Support, each type steel support extends to two side end faces of corresponding position and the rectangular edges listrium on affixed corresponding side end face
Part, two-by-two diagonal type steel support collinearly set, be equipped between two conllinear type steel supports and a pair of apply prestressed reset
Component, each pair of reset components are fitted in respectively on two horizontal end faces of ductility shearing sheet metal, and thin steel is sheared to obtain ductility
The horizontal bearing capacity of plate.
Further, ductility shearing sheet metal is rectangular slab, four two-by-two adjacent side end face be respectively upper end
Face, right side, lower face and left side, two horizontal end faces are front end face and rear end face；
The left side and right side of the ductility shearing sheet metal have been respectively and fixedly connected with the first rectangular edges plate and the second square
Shape edge plate, the upper surface and lower face of ductility shearing sheet metal have been respectively and fixedly connected with third rectangular edges plate and the 4th rectangle
Edge plate；
The left side of the ductility shearing sheet metal is connected with the first type steel support, first type with upper surface adjoiner
The affixed first rectangular edges plate in extension and third rectangular edges plate of bracing members, ductility shear the upper surface of sheet metal
The second type steel support, the affixed second rectangular edges listrium in extension of second type steel support are connected with right side adjoiner
Part and third rectangular edges plate, the left side of ductility shearing sheet metal are connected with third type steel support with lower face adjoiner,
The affixed first rectangular edges plate in extension of the third type steel support and the 4th rectangular edges plate, ductility shear thin steel
The right side of plate is connected with the 4th type steel support, the extension affixed second of the 4th type steel support with lower face adjoiner
Rectangular edges plate and the 4th rectangular edges plate.
Further, the front and back of first type steel support is respectively fixed with the first anchor and the 5th anchoring
Device, the front and back of second type steel support are respectively fixed with the second anchor and the 6th anchor, and described
The front and back of three type steel supports is respectively fixed with third anchor and the 7th anchor, the 4th type steel support
Front and back is respectively fixed with the 4th anchor and the 8th anchor, wherein first type steel support and the 4th shaped steel
It is diagonal conllinear setting to be supported on ductility shearing sheet metal, and second type steel support is sheared with third type steel support in ductility
It is diagonal conllinear setting on sheet metal；
The reset components include first shape memorial alloy beam, the second marmem beam, third shape memory and close
Jin Shu and the 4th shape-memory alloy wire beam, the first shape memorial alloy beam ring is to being wrapped in the second anchor and third
Between anchor, the second marmem beam ring to being wrapped between the first anchor and the 4th anchor,
The third marmem beam ring to being wrapped between the 5th anchor and the 8th anchor, remember by the 4th shape
B alloy wire beam ring is recalled to being wrapped between the 6th anchor and the 7th anchor, the first shape memorial alloy beam,
Two marmem beams, third marmem beam and the 4th shape-memory alloy wire beam respectively fill corresponding anchoring
It puts application prestressing force and reaches scheduled original state, and first shape memorial alloy beam and the second marmem beam pressure are tight
It is fitted on the front end face of ductility shearing sheet metal, third marmem beam and the 4th shape-memory alloy wire beam pressure are close to
It closes on the rear end face of ductility shearing sheet metal.
Further, the outer end head of first type steel support is cut with scissors by affixed first plate of first end plate, and described second
The outer end head of type steel support is cut with scissors by affixed second plate of the second end plate, and the outer end head of the third type steel support passes through third
The affixed third plate hinge of end plate, the outer end head of the 4th type steel support are cut with scissors by affixed 4th plate of the 4th end plate.
Further, first anchor to the 8th anchor is equipped with hole, for corresponding shape memory alloys
Wearing for tow connects.
Further, the first shape memorial alloy beam, the second marmem beam, third marmem beam
It is determined with restoring force of the 4th shape-memory alloy wire beam according to needed for the second of corresponding type steel support hysteresis loop, four-quadrant
Minimum dosage.
The beneficial effects of the utility model are:
The SMA Self-resettings ductility shearing thin plate bracing members of the utility model combine ductility shearing sheet metal and SMA material
The advantages of：（1）Shear buckling, deformability is excellent, Its ultimate bearing capacity is high, anti-side is firm with easily occurring for ductility shearing sheet metal
The features such as big is spent, since the ductility shearing easy buckling of sheet metal causes the serious pinch of its hysteresis loop, is used for so as to significantly reduce
Realize the dosage of the marmem beam of reset function.（2）Marmem beam has that anti-fatigue ability is strong, can restore to become
The features such as shape is big, while but also with certain energy dissipation capacity, so, the Self-resetting ductility shearing thin plate bracing members of the utility model
The features such as not only there is higher horizontal bearing capacity and anti-side rigidity, also had both good energy consumption and reset capability, in China
Earthquake-prone region, the alternative traditional bracing members of the support or anti-buckling support, have extensive future in engineering applications.
Description of the drawings
Fig. 1 is the structural front view of the utility model；
Fig. 2 is the configuration schematic diagram of the utility model；
Fig. 3 is the coplanar marmem beam schematic diagram of two pairs of difference of the utility model.
Figure label explanation：1st, ductility shearing sheet metal, the 2, first rectangular edges plate, the 3, second rectangular edges plate,
4th, third rectangular edges plate, the 5, the 4th rectangular edges plate, the 6, first type steel support, the 7, second type steel support, 8, third type
Bracing members, the 9, the 4th type steel support, the 10, first anchor, the 11, second anchor, the 12, third anchor, the 13, the 4th
Anchor, the 14, the 5th anchor, the 15, the 6th anchor, the 16, the 7th anchor, the 17, the 8th anchor, 18,
First shape memorial alloy beam, the 19, second marmem beam, 20, third marmem beam, the 21, the 4th shape note
Recall alloy tow, 22, first end plate, the 23, second end plate, 24, third end plate, the 25, the 4th end plate, the 26, first plate hinge, 27, the
Two plates cut with scissors, 28, third plate hinge, the 29, the 4th plate hinge.
Specific embodiment
Below with reference to the accompanying drawings and in conjunction with the embodiments, the utility model is described in detail.
Referring to figs. 1 to shown in Fig. 3, a kind of SMA Self-resettings ductility shears thin plate bracing members, and sheet metal 1 is sheared including ductility,
Ductility shearing sheet metal 1 includes at least the adjacent side end face two-by-two of two horizontal end faces and four, and the ductility shearing is thin
Rectangular edges plate is connected on four side end faces of steel plate 1 and forms the energy-consuming parts with lateral rigidity, between side end face
Adjoiner be respectively and fixedly connected with type steel support, each type steel support is to two side end faces extension of corresponding position and affixed corresponding
Rectangular edges plate on side end face, two-by-two diagonal type steel support collinearly set, be equipped between two conllinear type steel supports
A pair applies prestressed reset components, and each pair of reset components are fitted in two horizontal end faces of ductility shearing sheet metal 1 respectively
On, to obtain the horizontal bearing capacity of ductility shearing sheet metal 1.
Ductility shearing sheet metal 1 is rectangular slab, four two-by-two adjacent side end face be respectively upper surface, right end
Face, lower face and left side, two horizontal end faces are front end face and rear end face；
The left side and right side of the ductility shearing sheet metal 1 have been respectively and fixedly connected with the first rectangular edges plate 2 and second
Rectangular edges plate 3, the upper surface and lower face of ductility shearing sheet metal 1 have been respectively and fixedly connected with third rectangular edges plate 4 and the
Four rectangular edges plates 5；
The left side of ductility shearing sheet metal 1 and upper surface adjoiner are connected with the first type steel support 6, and described first
The affixed first rectangular edges plate 2 in extension and third rectangular edges plate 4 of type steel support 6, ductility shearing sheet metal 1
Upper surface is connected with the second type steel support 7, affixed second square in extension of second type steel support 7 with right side adjoiner
Shape edge plate 3 and third rectangular edges plate 4, left side and the lower face adjoiner of ductility shearing sheet metal 1 are connected with the
Three type steel supports 8, affixed first rectangular edges plate, 2 and the 4th rectangular edges listrium in extension of the third type steel support 8
Part 5, the right side of ductility shearing sheet metal 1 are connected with the 4th type steel support 9, the 4th type steel support with lower face adjoiner
9 affixed second rectangular edges plate, 3 and the 4th rectangular edges plate 5 in extension.
The front and back of first type steel support 6 is respectively fixed with the first anchor 10 and the 5th anchor
14, the front and back of second type steel support 7 is respectively fixed with the second anchor 11 and the 6th anchor 15, described
The front and back of third type steel support 8 is respectively fixed with 12 and the 7th anchor 16 of third anchor, the 4th type
The front and back of bracing members 9 is respectively fixed with the 4th anchor 13 and the 8th anchor 17, wherein first shaped steel
6 and the 4th type steel support 9 of support is diagonal conllinear setting, second type steel support 7 and third on ductility shearing sheet metal 1
Type steel support 8 is diagonal conllinear setting on ductility shearing sheet metal 1；
The reset components include first shape memorial alloy beam 18, the second marmem beam 19, third shape note
Recall 20 and the 4th shape-memory alloy wire beam 21 of alloy beam, 18 circumferential direction of first shape memorial alloy beam is wrapped in the second anchoring
Between device 11 and third anchor 12,19 circumferential direction of the second marmem beam is wrapped in 10 He of the first anchor
Between 4th anchor 13,20 circumferential direction of third marmem beam is wrapped in the 5th anchor 14 and the 8th anchoring
Between device 17,21 circumferential direction of the 4th shape-memory alloy wire beam is wrapped in the 6th anchor 15 and the 7th anchor 16
Between, the first shape memorial alloy beam 18, the second marmem beam 19, third marmem beam 20 and the 4th
Shape-memory alloy wire beam 21 applies prestressing force to corresponding anchor respectively and reaches scheduled original state, and first
18 and second marmem beam 19 of marmem beam compression is fitted on the front end face of ductility shearing sheet metal 1, the
Three marmem beams 20 and the 4th shape-memory alloy wire beam 21 compression are fitted in the rear end face of ductility shearing sheet metal 1
On.
The outer end head of first type steel support 6 cuts with scissors 26 by 22 affixed first plate of first end plate, second shaped steel
By the affixed second plate hinge 27 of the second end plate 23, the outer end head of the third type steel support 8 passes through the on the outer end head of support 7
Three end plates, 24 affixed third plate hinge 28, the outer end head of the 4th type steel support 9 are cut with scissors by 25 affixed 4th plate of the 4th end plate
29。
First anchor, 10 to the 8th anchor 17 is equipped with hole, for corresponding shape memory alloys tow
It wears and connects.
The first shape memorial alloy beam 18, the second marmem beam 19,20 and of third marmem beam
Restoring force of the 4th shape-memory alloy wire beam 21 according to needed for the second of corresponding type steel support hysteresis loop, four-quadrant determines
Minimum dosage.
In the present embodiment, above-mentioned fixed connection mode may be selected to weld.
The utility model principle
For the utility model under normal operating condition, ductility shearing sheet metal 1 provides horizontal bearing capacity and lateral rigidity.
In the effect of cyclical level power, when horizontal force apply direction by from left to right when, ductility shearing sheet metal 1 shearing bend
Hysteresis loop that is bent and forming pinch, first shape memorial alloy beam 18 and 21 tension of the 4th shape-memory alloy wire beam, second
Marmem beam 19 and third marmem beam 20 relax, and when horizontal force turns left application by the right side, ductility shearing is thin
1 flip Trim buckling of steel plate and the hysteresis loop for forming pinch, the second marmem beam 19 and third marmem
20 tension of beam, first shape memorial alloy beam 18 and the 4th shape-memory alloy wire beam 21 relax.Therefore, because ductility shearing is thin
1 shear buckling of steel plate has given full play to its bearing capacity and energy dissipation capacity, and the hysteresis loop of generation is full in one, three quadrants,
2nd, four-quadrant pinch.By being applied with prestressed respective shapes memorial alloy Shu Shoula, there is apparent flag in one, three quadrants
The hysteresis loop of flag shape feature realizes reset function.It is cooperated by the two, reset and the dual work(of energy consumption can be achieved at the same time
Energy.
Furthermore, it is necessary to explanation, unless stated otherwise or is pointed out, the otherwise term in specification " first ", " the
Two ", the descriptions such as " third " are used only for distinguishing various components, element, step in specification etc., each without being intended to indicate that
Logical relation or ordinal relation between component, element, step etc..
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (6)
1. a kind of SMA Self-resettings ductility shears thin plate bracing members, which is characterized in that shears sheet metal, the ductility including ductility
It shears sheet metal and includes at least the adjacent side end face two-by-two of two horizontal end faces and four, four of the ductility shearing sheet metal
Rectangular edges plate is connected on side end face and forms the energy-consuming parts with lateral rigidity, the adjoiner difference between side end face
Type steel support is connected with, each type steel support extends to two side end faces of corresponding position and the square on affixed corresponding side end face
Shape edge plate, two-by-two diagonal type steel support collinearly set, a pair of apply is equipped between two conllinear type steel supports and in advance should
The reset components of power, each pair of reset components are fitted in respectively on two horizontal end faces of ductility shearing sheet metal, to obtain ductility
Shear the horizontal bearing capacity of sheet metal.
2. SMA Self-resettings ductility according to claim 1 shears thin plate bracing members, which is characterized in that the ductility shearing
Sheet metal is rectangular slab, four two-by-two adjacent side end face be respectively upper surface, right side, lower face and left side, two
Horizontal end face is front end face and rear end face；
The left side and right side of the ductility shearing sheet metal have been respectively and fixedly connected with the first rectangular edges plate and the second rectangular edges
Listrium part, the upper surface and lower face of ductility shearing sheet metal have been respectively and fixedly connected with third rectangular edges plate and the 4th rectangular edges
Plate；
The left side of the ductility shearing sheet metal is connected with the first type steel support, the first shaped steel branch with upper surface adjoiner
The affixed first rectangular edges plate in extension and third rectangular edges plate of support, the upper surface and the right side of ductility shearing sheet metal
Be connected with the second type steel support at end surfaces, the affixed second rectangular edges plate in extension of second type steel support and
Third rectangular edges plate, the left side of ductility shearing sheet metal is connected with third type steel support with lower face adjoiner, described
The affixed first rectangular edges plate in extension of third type steel support and the 4th rectangular edges plate, ductility shearing sheet metal
Right side is connected with the 4th type steel support, affixed second rectangle in extension of the 4th type steel support with lower face adjoiner
Edge plate and the 4th rectangular edges plate.
3. SMA Self-resettings ductility according to claim 2 shears thin plate bracing members, which is characterized in that first shaped steel
The front and back of support is respectively fixed with the first anchor and the 5th anchor, the front of second type steel support and
The back side is respectively fixed with the second anchor and the 6th anchor, and the front and back of the third type steel support is fixed respectively
There are third anchor and the 7th anchor, the front and back of the 4th type steel support is respectively fixed with the 4th anchoring dress
Put with the 8th anchor, wherein first type steel support and the 4th type steel support be on ductility shearing sheet metal it is diagonal altogether
Line is set, and it is diagonal conllinear setting that second type steel support is sheared in ductility on sheet metal with third type steel support；
The reset components include first shape memorial alloy beam, the second marmem beam, third marmem beam
With the 4th shape-memory alloy wire beam, the first shape memorial alloy beam ring is anchored to the second anchor and third is wrapped in
Between device, the second marmem beam ring is described to being wrapped between the first anchor and the 4th anchor
To being wrapped between the 5th anchor and the 8th anchor, the 4th shape memory closes third marmem beam ring
Spun gold beam ring is to being wrapped between the 6th anchor and the 7th anchor, the first shape memorial alloy beam, the second shape
Shape memory alloys beam, third marmem beam and the 4th shape-memory alloy wire beam respectively apply corresponding anchor
Prestressing reaches scheduled original state, and first shape memorial alloy beam and the second marmem beam pressure are close to close
On the front end face of ductility shearing sheet metal, third marmem beam and the 4th shape-memory alloy wire beam pressure are tightly fitted in
On the rear end face of ductility shearing sheet metal.
4. the SMA Self-resettings ductility shearing thin plate bracing members according to Claims 2 or 3, which is characterized in that first type
The outer end head of bracing members is cut with scissors by affixed first plate of first end plate, and the outer end head of second type steel support passes through second end
The affixed second plate hinge of plate, the outer end head of the third type steel support are cut with scissors by the affixed third plate of third end plate, the 4th type
It is cut with scissors by affixed 4th plate of the 4th end plate on the outer end head of bracing members.
5. SMA Self-resettings ductility according to claim 3 shears thin plate bracing members, which is characterized in that first anchoring
Device to the 8th anchor is equipped with hole, is connect for corresponding wearing for shape memory alloys tow.
6. SMA Self-resettings ductility according to claim 3 shears thin plate bracing members, which is characterized in that the first shape
Memorial alloy beam, the second marmem beam, third marmem beam and the 4th shape-memory alloy wire beam are according to right
Answer the second of type steel support hysteresis loop, the restoring force needed for four-quadrant determines minimum dosage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720878369.1U CN207469445U (en) | 2017-07-19 | 2017-07-19 | A kind of SMA Self-resettings ductility shears thin plate bracing members |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720878369.1U CN207469445U (en) | 2017-07-19 | 2017-07-19 | A kind of SMA Self-resettings ductility shears thin plate bracing members |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207469445U true CN207469445U (en) | 2018-06-08 |
Family
ID=62256483
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720878369.1U Expired - Fee Related CN207469445U (en) | 2017-07-19 | 2017-07-19 | A kind of SMA Self-resettings ductility shears thin plate bracing members |
Country Status (1)
| Country | Link |
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| CN (1) | CN207469445U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107574927A (en) * | 2017-07-19 | 2018-01-12 | 苏州科技大学 | A kind of SMA Self-resettings ductility shears thin plate bracing members |
-
2017
- 2017-07-19 CN CN201720878369.1U patent/CN207469445U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107574927A (en) * | 2017-07-19 | 2018-01-12 | 苏州科技大学 | A kind of SMA Self-resettings ductility shears thin plate bracing members |
| CN107574927B (en) * | 2017-07-19 | 2023-04-28 | 苏州科技大学 | SMA self-resetting ductile shear sheet steel support |
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