CN219586905U - Shape memory alloy self-resetting friction damping device for reinforced wood structure mortise and tenon joint - Google Patents
Shape memory alloy self-resetting friction damping device for reinforced wood structure mortise and tenon joint Download PDFInfo
- Publication number
- CN219586905U CN219586905U CN202222996150.5U CN202222996150U CN219586905U CN 219586905 U CN219586905 U CN 219586905U CN 202222996150 U CN202222996150 U CN 202222996150U CN 219586905 U CN219586905 U CN 219586905U
- Authority
- CN
- China
- Prior art keywords
- steel sheet
- memory alloy
- shape memory
- column
- wood
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000002023 wood Substances 0.000 title claims abstract description 48
- 229910001285 shape-memory alloy Inorganic materials 0.000 title claims abstract description 31
- 238000013016 damping Methods 0.000 title claims abstract description 19
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 82
- 239000010959 steel Substances 0.000 claims abstract description 82
- 101000623895 Bos taurus Mucin-15 Proteins 0.000 claims abstract description 4
- 230000003014 reinforcing effect Effects 0.000 claims description 9
- 210000005069 ears Anatomy 0.000 claims description 3
- 230000006978 adaptation Effects 0.000 claims 1
- 230000021715 photosynthesis, light harvesting Effects 0.000 abstract description 6
- 238000010521 absorption reaction Methods 0.000 abstract description 4
- 230000035939 shock Effects 0.000 abstract description 4
- 238000005265 energy consumption Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002407 reforming Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Landscapes
- Joining Of Building Structures In Genera (AREA)
Abstract
The utility model discloses a shape memory alloy self-resetting friction damping device for a reinforced wood structure mortise-tenon joint, which comprises a concave outer steel plate, a column side convex inner steel plate, a beam end convex inner steel plate, a column hoop, liang Baogu and a shape memory alloy rod; wherein, the post staple bolt passes through fixed component I to be fixed on the wood column, liang Baogu passes through fixed component II to be fixed on the wood beam, installs the protruding inboard steel sheet of post side on the post staple bolt and installs the protruding inboard steel sheet both sides of beam end on the roof beam staple bolt and install concave type outside steel sheet additional, and concave type outside steel sheet, the protruding inboard steel sheet of post side are fixed through the shape memory alloy stick, and concave type outside steel sheet, the protruding inboard steel sheet of beam end are fixed through the shape memory alloy stick. The utility model not only can increase rigidity for the joints, but also can improve energy dissipation and shock absorption capacity, reduce tenon pulling amount of the mortise and tenon joint, and effectively prevent the beams from falling by increasing the supporting length of the wood beams.
Description
Technical Field
The utility model relates to a shape memory alloy self-resetting friction damping device for reinforcing a tenon-and-mortise joint of a wood structure, and belongs to the field of earthquake resistance of wood structures.
Background
The traditional wood structure of China has long residence history, and forms different wood structure building forms due to factors such as climate, geography, culture and the like, wherein the wood structure in southwest areas mainly takes a through bucket type wood frame. The traditional wood structure house has good deformability and bearing capacity, but most of the house is not subjected to good and strict earthquake-resistant design, and the phenomena of pull tenons, falling off and the like, even node unstability, node frame scattering and the like can occur after the house is subjected to an earthquake, so that the earthquake resistance of the structure is directly influenced, and the current situation is not optimistic. According to the existing researches, the damage of the wood structure node is the root causing the serious damage of the whole structure, so that the reinforcement of the wood frame mortise-tenon joint is one of the most important measures for improving the earthquake resistance of the wood frame, and the traditional repairing and reinforcing mode, such as cramping, steel bars and the like, has limited application range and is difficult to popularize and implement. In this regard, it is necessary to introduce modern energy dissipation and shock absorption concepts and equipment for reinforcing and reforming the wood structure connection nodes to form a tough house.
Disclosure of Invention
The utility model provides a shape memory alloy self-resetting friction damping device for reinforcing a tenon-and-mortise joint of a wood structure.
The technical scheme of the utility model is as follows: the self-resetting friction damping device for the shape memory alloy of the reinforced wood structure mortise-tenon joint comprises a concave outer steel plate 1, a column side convex inner steel plate 2, a beam end convex inner steel plate 3, column hoops 4 and Liang Baogu and a shape memory alloy rod 6; wherein, the post staple bolt 4 is fixed on wooden post 8 through fixed component I, liang Baogu passes through fixed component II to be fixed on wooden roof beam 9, installs the protruding type inboard steel sheet 2 of post side on post staple bolt 4 and installs the protruding type inboard steel sheet 3 both sides of beam end on roof beam staple bolt 5 and install concave type outside steel sheet 1 additional, and concave type outside steel sheet 1, the protruding type inboard steel sheet 2 of post side are fixed through shape memory alloy stick 6, and concave type outside steel sheet 1, the protruding type inboard steel sheet 3 of beam end are fixed through shape memory alloy stick 6.
The friction damping device can be arranged at the upper corner and/or the lower corner formed by the wood beam 1 and the wood column 2.
The column anchor ear 4 is matched with the wood column 8 in shape, and the column anchor ear 4 is formed by encircling two half column anchor ears; liang Baogu 5 and the wooden beam 9 are matched in shape, and Liang Baogu is formed by encircling two half beam hoops.
The beneficial effects of the utility model are as follows: according to the utility model, through mutual friction between the convex inner steel plates at the two ends of the beam column and the two concave outer steel plates, and through the restoring force of the shape memory alloy rod, a self-resetting friction damping device is constructed to strengthen the mortise-tenon joint of the wood structure, so that not only can rigidity be increased for the joint, but also the energy dissipation and shock absorption capacity can be improved, the tenon pulling amount of the mortise-tenon joint is reduced, and the support length of the wood beam is increased to effectively prevent the beam from falling; the damping device can be used for earthquake-proof reinforcement of a wood structure house and also can be used for damping design of a newly-built wood structure house; the construction and the installation are convenient and quick, the friction energy dissipation device has low manufacturing cost, and the friction energy dissipation device can be greatly popularized.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of the present utility model in use;
FIG. 3 is an overall view of a column-side convex inner steel plate;
FIG. 4 is a side view of a column-sided convex inner steel plate;
FIG. 5 is an overall view of a beam-side-convex inner steel plate;
FIG. 6 is a side view of a beam-side convex inner steel plate;
FIG. 7 is an exterior side view of a concave outer steel plate;
FIG. 8 is an inside side view of a concave outer steel plate;
FIG. 9 is an overall view of a shape memory alloy rod;
the reference numerals in the figures are: 1-concave outer steel plate, 2-column side convex inner steel plate, 3-Liang Ce convex inner steel plate, 4-column anchor ear, 5-Liang Baogu, 6-shape memory alloy rod, 7-nut, 8-wood column and 9-wood beam.
Detailed Description
The utility model will be further described with reference to the drawings and examples, but the utility model is not limited to the scope.
As shown in figures 1-9, the shape memory alloy self-resetting friction damping device for reinforcing the mortise and tenon joint of a wood structure comprises a concave outer steel plate 1, a column side convex inner steel plate 2, a beam end convex inner steel plate 3, column hoops 4 and Liang Baogu 5 and a shape memory alloy rod 6; wherein, the post staple bolt 4 is fixed on wooden post 8 through fixed component I, liang Baogu passes through fixed component II to be fixed on wooden roof beam 9, installs the protruding type inboard steel sheet 2 of post side on post staple bolt 4 and installs the protruding type inboard steel sheet 3 both sides of beam end on roof beam staple bolt 5 and install concave type outside steel sheet 1 additional, and concave type outside steel sheet 1, the protruding type inboard steel sheet 2 of post side are fixed through shape memory alloy stick 6, and concave type outside steel sheet 1, the protruding type inboard steel sheet 3 of beam end are fixed through shape memory alloy stick 6.
Further, the friction damping means can be arranged at the upper and/or lower corners (i.e. at the upper or lower corners or both) formed by the wood beams 1, the wood columns 2.
Further, the column anchor ear 4 is matched with the wood column 8 in shape, and the column anchor ear 4 is formed by encircling two half column anchor ears; liang Baogu 5 and the wooden beam 9 are matched in shape, and Liang Baogu is formed by encircling two half beam hoops. If the wood column 8 is square, the column hoop 4 is a square steel hoop, and if the wood column 8 is cylindrical, the column hoop 4 is an annular steel hoop; liang Baogu 5 and the like.
The actual installation schematic diagram is shown in fig. 2, and may be specifically set as follows: the column hoops are fixed on the wood columns 8 through bolts, and Liang Baogu 5 is fixed on the wood beams 9 through bolts; the shape memory alloy rod 6 passes through the concave outer steel plate 1, the column side convex inner steel plate 2 and the beam end convex inner steel plate 3 to be reserved with holes in advance and is fixed by nuts 7; the concave outer steel plate 1, the column-side convex inner steel plate 2 and the beam-end convex inner steel plate 3 are arranged by taking the junction of mortise and tenon joints as the center, the radius R1 is 200-350 mm (for example, 200mm, 250mm, 350mm and the like can be taken, the larger the size is, the better the energy consumption capacity of the damping device is in an allowable range), namely, the radius taking the junction of the mortise and tenon joints as the center point and the point on the large arc of the beam-end convex inner steel plate as the end point is R1, the radius taking the junction of the mortise and tenon joints as the center point and the point on the small arc of the beam-end convex inner steel plate as the end point is R2, the (R1+R2)/2=r1, and the width w1 of the beam-end convex inner steel plate 3 is 70-80mm (for example, 70mm, 75mm, 80mm and the like can be taken); the thickness h1 at the edge of the concave outer steel plate 1 is 25mm, the thickness h2 at the groove is 13mm, the thickness h3 at the edge of the column-side convex inner steel plate 2 and the beam-end convex inner steel plate 3 is 20mm, and the thickness h4 at the bulge is 44mm (namely, the directions of the identification components 1 and 3 shown in fig. 2 are thickness directions, so that the h1 x 2+h3=h2 x 2+h4 are satisfied, and the size determines the energy consumption capability and the self-resetting capability of the shape memory alloy self-resetting friction damping device and can be adjusted according to specifications); the friction surfaces of the concave outer steel plate 1, the column side convex inner steel plate 2 and the beam end convex inner steel plate 3 are isosceles trapezoids, the slope length of the friction surface is 60mm (i.e. a trapezoid waist), the platform length of the concave-convex part of the friction surface is 25mm (i.e. a trapezoid upper bottom) (the slope length, the platform length of the concave-convex part and the corner of the wood structure node are related and can be adjusted according to specifications); the concave outer steel plate 1, the column side convex inner steel plate 2, the beam end convex inner steel plate 3 and the column hoops 4 and Liang Baogu are made of steel with yield strength not lower than 235 MPa.
The working principle of the utility model is as follows: when the wood beam 9 and the wood column 8 are relatively displaced under the action of earthquake load or wind load, the column side convex inner side steel plate 2 and the beam end convex inner side steel plate 3 are connected with the wood beam 9 and the wood column 8 through the column hoops 4 and Liang Baogu, so that relative sliding is generated among the column side convex inner side steel plate 2, the beam end convex inner side steel plate 3 and the concave outer side steel plate 1, energy dissipation and shock absorption are performed by friction among the steel plates, and when the relative sliding is generated among the column side convex inner side steel plate 2, the beam end convex inner side steel plate 3 and the concave outer side steel plate 1, the shape memory alloy rod 6 is elongated due to the design of an inner concave-convex part, and the self-resetting capability of a damping device is provided through the restoring force of the shape memory alloy rod 6, so that the effect of reinforcing the tenon-and-mortise joint of the wood structure is achieved.
By adopting the technical scheme, the sliding force can be controlled by changing the parameters of the friction surface material or the shape memory alloy, so that the friction surface material or the shape memory alloy is matched with the rigidity of the mortise-tenon joint of the wood structure, the energy transmitted by an earthquake is more effectively consumed, the bearing capacity and the ductility of the joint are improved, and the deformation energy consumption capacity and the collapse resistance capacity of the wood structure system are improved, so that a tough house is formed.
While the present utility model has been described in detail with reference to the drawings, the present utility model is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present utility model within the knowledge of those skilled in the art.
Claims (3)
1. The utility model provides a reinforcing timber structure mortise and tenon joint's shape memory alloy is from restoring to throne friction damping device which characterized in that: comprises a concave outer steel plate (1), a column side convex inner steel plate (2), a beam end convex inner steel plate (3), a column anchor ear (4), a Liang Baogu (5) and a shape memory alloy rod (6); wherein, post staple bolt (4) are fixed on wooden post (8) through fixed component I, liang Baogu (5) are fixed on wooden roof beam (9) through fixed component II, install the protruding inboard steel sheet (2) of post side on post staple bolt (4) and install beam-end protruding inboard steel sheet (3) both sides on Liang Baogu (5) and install concave outside steel sheet (1) additional, concave outside steel sheet (1), protruding inboard steel sheet (2) of post side are fixed through shape memory alloy stick (6), and concave outside steel sheet (1), protruding inboard steel sheet (3) of beam-end are fixed through shape memory alloy stick (6).
2. The shape memory alloy self-resetting friction damping device for reinforcing a timber tenon-and-mortise joint according to claim 1, wherein: the friction damping device can be arranged at an upper angle and/or a lower angle formed by the wood beam (9) and the wood column (8).
3. The shape memory alloy self-resetting friction damping device for reinforcing a timber tenon-and-mortise joint according to claim 1, wherein: the column anchor ear (4) is matched with the wood column (8) in shape, and the column anchor ear (4) is formed by encircling two half column anchor ears; liang Baogu (5) and wood beam (9) shape adaptation, liang Baogu (5) are formed by encircling two half beam anchor clamps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222996150.5U CN219586905U (en) | 2022-11-10 | 2022-11-10 | Shape memory alloy self-resetting friction damping device for reinforced wood structure mortise and tenon joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222996150.5U CN219586905U (en) | 2022-11-10 | 2022-11-10 | Shape memory alloy self-resetting friction damping device for reinforced wood structure mortise and tenon joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219586905U true CN219586905U (en) | 2023-08-25 |
Family
ID=87695175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222996150.5U Active CN219586905U (en) | 2022-11-10 | 2022-11-10 | Shape memory alloy self-resetting friction damping device for reinforced wood structure mortise and tenon joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219586905U (en) |
-
2022
- 2022-11-10 CN CN202222996150.5U patent/CN219586905U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106930593B (en) | Bamboo（Wood）Frame structure beam column assembled energy dissipation node | |
| CN202039478U (en) | Light-weight restrained steel plate wall with vertical slits | |
| CN103243638B (en) | Bridge space radioactive concrete-filled steel tube bridge pier and construction method thereof | |
| CN108468378B (en) | Prefabricated node of concrete structure | |
| CN103603494B (en) | A kind of ultra-thin steel truss sloping core construction method and formwork structure | |
| CN219586905U (en) | Shape memory alloy self-resetting friction damping device for reinforced wood structure mortise and tenon joint | |
| CN211596811U (en) | Earthquake-resistant building foundation | |
| CN206815533U (en) | A kind of prefabricated component and the connecting node on basis | |
| CN214941055U (en) | Steel construction factory building heel post anticorrosion base | |
| CN103669592B (en) | Bending resistance parts and beam-column connection | |
| CN113389397B (en) | Deformation amplification type friction energy dissipation sparrow is suitable for timber structure node | |
| CN211007177U (en) | Splicing structure of steel plate shear wall | |
| CN213269050U (en) | Large-area beam reinforcing structure | |
| CN213268892U (en) | Post-cast strip connection structure is supported to casing string | |
| CN201144463Y (en) | Double-beam structure | |
| CN210597652U (en) | Bamboo wood is T type energy dissipation shock attenuation node for structure | |
| CN106381927A (en) | Steel beam structure capable of being replaced due to earthquake damage | |
| CN211396675U (en) | Frame roof beam assembly bearing structure | |
| CN213143391U (en) | Simple assembling node of wood structure beam and column | |
| CN215406697U (en) | Viscoelastic damping device for reinforcing wood structure mortise and tenon joint | |
| CN205935234U (en) | Support bayonet beam column and support two curb plate nodes of U type | |
| CN201095721Y (en) | Soft soil foundation porous double suspension arms arched bridge structure | |
| CN210562830U (en) | Reinforced structure of indoor partition wall door opening | |
| CN205399746U (en) | Steel construction shear force wall | |
| CN213774741U (en) | Novel pylon welding accessory assembly |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |