CN115030558A - Semi-active self-resetting tenon-and-mortise joint reinforcing device and reinforcing method - Google Patents
Semi-active self-resetting tenon-and-mortise joint reinforcing device and reinforcing method Download PDFInfo
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- CN115030558A CN115030558A CN202210913405.9A CN202210913405A CN115030558A CN 115030558 A CN115030558 A CN 115030558A CN 202210913405 A CN202210913405 A CN 202210913405A CN 115030558 A CN115030558 A CN 115030558A
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- 230000003014 reinforcing effect Effects 0.000 title claims abstract description 42
- 238000000034 method Methods 0.000 title claims abstract description 19
- 239000002023 wood Substances 0.000 claims abstract description 90
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 21
- 239000010959 steel Substances 0.000 claims abstract description 21
- 229910001285 shape-memory alloy Inorganic materials 0.000 claims abstract description 20
- 241000287127 Passeridae Species 0.000 claims abstract description 19
- 230000035939 shock Effects 0.000 claims abstract description 12
- 241000755266 Kathetostoma giganteum Species 0.000 claims description 16
- 239000006096 absorbing agent Substances 0.000 claims description 9
- 239000012530 fluid Substances 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 9
- 238000013016 damping Methods 0.000 abstract description 5
- 238000010521 absorption reaction Methods 0.000 abstract description 3
- 230000002787 reinforcement Effects 0.000 description 9
- 239000002131 composite material Substances 0.000 description 8
- 230000001133 acceleration Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 241001417935 Platycephalidae Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G23/00—Working measures on existing buildings
- E04G23/02—Repairing, e.g. filling cracks; Restoring; Altering; Enlarging
- E04G23/0218—Increasing or restoring the load-bearing capacity of building construction elements
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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
- E04B1/38—Connections for building structures in general
- E04B1/48—Dowels, i.e. members adapted to penetrate the surfaces of two parts and to take the shear stresses
- E04B1/486—Shear dowels for wood
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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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- 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
- E04H9/027—Preventive constructional measures against earthquake damage in existing buildings
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- Electromagnetism (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
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Abstract
The invention discloses a semi-active self-resetting tenon-and-mortise joint reinforcing device and a reinforcing method, which comprise a wood beam combination hoop, a wood column combination hoop, a shape memory combination strip, a magneto-rheological damper and two symmetrical steel sparrow-substituted plates, wherein the wood beam combination hoop and the wood column combination hoop are respectively composed of a splicing module, a connecting shaft rod, an extending plate and a connecting plate, and two ends of the shape memory combination strip are respectively connected with the wood beam combination hoop and the connecting plate of the wood column combination hoop through split bolts; the flat head connectors at the two ends of the magneto-rheological damper are respectively connected with the extending plates of the wood beam combined hoop and the wood column combined hoop through high-strength bolts; the two symmetrical steel sparrow plates are mutually spliced and wrap the shape memory alloy plate and the magneto-rheological damper. The invention can control the damping of the magneto-rheological damper at any time and the super-elasticity performance of the shape memory alloy; therefore, the optimal shock absorption effect and the self-resetting capability of the mortise and tenon joint for different seismic force magnitudes are enhanced.
Description
Technical Field
The invention relates to the field of seismic reinforcement of historic building timber structures, in particular to a semi-active self-resetting tenon-and-mortise node reinforcement device and a reinforcement method.
Background
Wooden structure ancient buildings in China have extremely high reputation in the world, and the mortise and tenon connection is a great characteristic. The mortise and tenon joint is semi-rigid connection, and can absorb a part of energy through self rotation and friction under the action of an earthquake, so that the shock absorption effect is achieved. However, the mortise and tenon joint is most easily damaged under the action of natural environment, artificial damage and earthquake, and the house can be collapsed when the mortise and tenon joint is mainly damaged by tenon pulling. Therefore, the tenon-and-mortise joint reinforcement is of great importance in the field of wood structure ancient building reinforcement.
At present, the tenon-and-mortise joint reinforcing method mainly comprises the steps of reinforcing a metal connecting component and reinforcing a fiber composite material. Use metal connecting elements to consolidate its timber structure, make its anti-seismic performance obtain promoting, but caused unrecoverable secondary damage to timber structure to a certain extent, caused inconvenient to the maintenance and the change in later stage to influence the building pleasing to the eye. The fiber composite material can improve the anti-seismic performance of the mortise and tenon joint to a certain degree through reinforcement, but can limit the rotation of the joint, the reinforcement effect is not ideal, and certain limitations are caused in actual engineering. The reinforcement mode is based on the passive energy consumption of the structure, and is not enough to effectively deal with the earthquake action of the structure under different strengths, so that a more reasonable reinforcement method is needed to meet the earthquake-proof requirement.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide a semi-active self-resetting mortise and tenon joint reinforcing device and a reinforcing method, which solve the problems of passive energy consumption, secondary damage to a joint structure and the like of the traditional reinforcing mode, enhance the seismic performance of the mortise and tenon joint, and enable the reinforced mortise and tenon joint to have the optimal damping effect and the self-resetting capability when different seismic forces are met.
In order to achieve the purpose, the invention adopts the technical scheme that:
a semi-active self-resetting tenon-and-mortise joint reinforcing device comprises a reinforcing device and a semi-active self-resetting structure; the reinforcing device comprises a wood beam combination hoop and a wood column combination hoop, a semi-active self-resetting structure is arranged between the wood beam combination hoop and the wood column combination hoop, the semi-active self-resetting structure comprises a shape memory combination strip and a magneto-rheological damper, the wood beam combination hoop and the wood column combination hoop are respectively composed of a splicing module, a connecting shaft rod, an extending plate and a connecting plate, connecting structures are arranged at two ends of the shape memory combination strip and the magneto-rheological damper, one end of the shape memory combination strip is connected with the connecting plate of the wood beam combination hoop through the connecting structure, the other end of the shape memory combination strip is connected with the connecting plate of the wood column combination hoop through the connecting structure, one end of the magneto-rheological damper is connected with the extending plate of the wood beam combination hoop through the connecting structure, and the other end of the magneto-rheological damper is connected with the extending plate of the wood column combination hoop through the connecting structure.
Preferably, the further technical scheme of the invention is as follows:
piece together and insert module quantity be the polylith, the polylith pieces together and inserts the module and pass through the connecting shaft pole and connect, the polylith pieces together and inserts the module range and form the ring cover structure, stretch out board and connecting plate setting in the joint department at ring cover both ends, be close to the piece portion of stretching out piece together insert the module and stretch out and be a whole between board and the connecting plate.
The magnetorheological damper consists of a flat head connector, a piston rod, a piston and a magnetorheological damper cylinder body.
Magnetorheological fluid is stored in the magnetorheological damper cylinder body, a coil is wound on the piston, and a volume compensation chamber is arranged at one end of the magnetorheological damper cylinder body.
The connecting structure comprises split bolts and high-strength bolts, the split bolts are arranged at two ends of the shape memory combination strip, the split bolts are used for connecting the shape memory combination strip with the connecting plate of the beam combination hoop and the timber column combination hoop, bolt holes are formed in the plate surface of the connecting plate, bolt holes are also formed in the connecting positions of the two ends of the shape memory combination strip corresponding to the connecting plate, and the connecting plate and the two ends of the shape memory combination strip are fixedly connected through the split bolts.
The high-strength bolt is arranged at two ends of the magneto-rheological damper, flat-head connectors are arranged at two ends of the magneto-rheological damper, the magneto-rheological damper is connected with the extension plates of the wood beam combination hoop and the wood column combination hoop through the flat-head connectors by the high-strength bolt, the fixed positions of the flat-head connectors at two ends of the magneto-rheological damper, the wood beam combination hoop and the wood column combination hoop extension plates are consistent, the high-strength bolt comprises a butterfly spring pad and a nut, and the butterfly spring pads are arranged at two ends of the bolt penetrating through the flat-head connectors at two ends of the magneto-rheological damper and are fixed through the nut.
The thickness of the shape memory alloy strip is-mm, and the width of the shape memory alloy strip is one time of the width of the wood beam. .
The semi-active self-resetting structure is characterized in that a protection structure is arranged on the outer side of the semi-active self-resetting structure, the protection structure is two symmetrical steel sparrow plates, the two symmetrical steel sparrow plates are corresponding in position, and the two symmetrical steel sparrow plates are mutually spliced and wrap the shape memory alloy plate and the magneto-rheological damper.
The thickness of the symmetrical steel sparrow replacing plate is equal to the width of the wood beam.
The reinforcing method of the semi-active self-resetting mortise and tenon joint reinforcing device is characterized in that: the method comprises the following steps:
the method comprises the following steps: fixing the hoop: the wood beam combination hoop and the wood column combination hoop are respectively fixed on the wood beam and the wood column through the connection action between the splicing module and the connecting shaft lever;
the method comprises the following steps: connecting the shape memory alloy strips: connecting and fixing two ends of the shape memory composite strip with connecting plates of the wood beam composite hoop and the wood column composite hoop through split bolts respectively, wherein the shape memory composite strip is bent at the connecting point of the tenon and the mortise to form an L shape;
the method comprises the following steps: connecting a magnetorheological damper: connecting flat-head connectors at two ends of the magnetorheological damper with the extending plates of the wood beam combination hoop and the wood column combination hoop respectively through high-strength bolts, butterfly spring pads and nuts, so that the reinforcing device is matched with the wood beam and the wood column;
the method comprises the following steps: connecting a protection structure: two symmetrical steel sparrow plates are mutually spliced and the shape memory alloy plate and the magneto-rheological damper are wrapped in the steel sparrow plates.
The invention has the beneficial effects that:
compared with the existing reinforcing device, the semi-active self-resetting tenon-and-mortise joint reinforcing device has the advantages that the damping characteristic of the magneto-rheological shock absorber can be controlled at any time and the superelasticity of the shape memory alloy is utilized; therefore, the optimal shock absorption effect and the self-resetting capability of the mortise and tenon joint for different seismic force magnitudes are enhanced.
This semi-initiative is from restoring to throne mortise and tenon node reinforcing apparatus, each part can dismantle, removable, and reasonable in design, just with later stage maintenance, adjustment.
According to the semi-active self-resetting tenon-and-mortise node reinforcing device, the magneto-rheological shock absorber has a vibration control characteristic, the output characteristic adjustment of the shock absorber can be realized through current signals output by the sensor and the control system, and the different states of the tenon-and-mortise node can be effectively adjusted in real time so as to achieve the optimal vibration control effect.
The semi-active self-resetting tenon-and-mortise joint reinforcing device and the reinforcing method continue to use the characteristics of the ancient building wood structure, and can achieve the effect of repairing the appearance of the ancient building as old as before.
Drawings
FIG. 1 is a schematic view of the present invention.
Fig. 2 is a partial schematic view of the structure of the present invention.
FIG. 3 is a schematic view of part A of the mechanism of FIG. 2 according to the present invention
FIG. 4 is a schematic view of a stud ferrule of the present invention.
FIG. 5 is a schematic view of a beam ferrule of the present invention.
FIG. 6 is a schematic view of a shape memory alloy strip of the present invention.
FIG. 7 is a schematic view of a magnetorheological damper in accordance with the present invention.
FIG. 8 is a flow chart of the operation of the present invention
Description of reference numerals: 1. a wood beam combination hoop; 2. a wood column combined hoop; 3. splicing and inserting modules; 4. connecting the shaft lever; 5. extending the plate; 6. a connecting plate; 7. a shape memory alloy strip; 8. a magnetorheological damper; 801. a flat head connector; 802. a piston rod; 803. a piston; 804. a magnetorheological damper cylinder; 9. steel sparrow board; 10. oppositely pulling bolts; 11. a high strength bolt; 1101. a butterfly spring pad; 1102. a nut; 12. a wood column; 13. a wood beam; 14. a tenon; 15. and (4) opening mortise work.
Detailed Description
The present invention is further illustrated by the following examples.
Specific example 1:
as shown in fig. 1 to 7, the semi-active self-resetting mortise and tenon joint reinforcing device comprises a wood beam combination hoop 1, a wood column combination hoop 2, a shape memory alloy strip 7, a magnetorheological shock absorber 8 and two symmetrical steel sparrow replacement plates 9, wherein the wood beam combination hoop 1 and the wood column combination hoop 2 are respectively composed of a splicing module 3, a connecting shaft rod 4, an extending plate 5 and a connecting plate 6, and two ends of the shape memory alloy strip 7 are respectively connected with the connecting plates of the wood beam combination hoop 1 and the wood column combination hoop 2 through split bolts 10; the connectors 801 of the flat heads at the two ends of the magnetorheological damper 8 are respectively connected with the extension plates 5 of the wood beam combination ferrule 1 and the wood column combination ferrule 2 through high-strength bolts 11; the two symmetrical steel sparrow plates 9 are mutually spliced and wrap the shape memory alloy plate 7 and the magneto-rheological damper 8.
The splicing module close to the part of the extension plate 5 is integrated with the extension plate 5 and the connecting plate 6, bolt holes are formed in the plate surface of the connecting plate 6, bolt holes are also formed in the connecting positions of the two ends of the shape memory combination strip 7 corresponding to the connecting plate 6, and the two ends of the connecting plate 6 and the two ends of the shape memory combination strip 7 are fixedly connected through split bolts 10.
The magnetorheological damper 8 is composed of a flat head connector 801, a piston rod 802, a piston 803 and a magnetorheological damper cylinder 804.
Magnetorheological fluid is stored in the magnetorheological damper cylinder body 804, a coil is wound on the piston 803, and a volume compensation chamber is arranged at one end of the magnetorheological damper cylinder body 804. Two acceleration sensors are arranged at the tenon and mortise, acceleration data signals of the tenon and the mortise collected by the sensors are processed and calculated by a controller to obtain control current signals, required current is applied to the piston coil in real time, the damping characteristic of magnetorheological fluid in the cylinder body is changed by adjusting the magnitude of the current, and the adjustment of the output of the magnetorheological damper is realized. Thereby achieving the optimal vibration control effect.
The high-strength bolt 11 comprises a butterfly spring pad 1101 and a nut 1102, wherein the butterfly spring pad 1101 is arranged at two ends of the bolt 11 penetrating through flat head connectors 801 at two ends of the magnetorheological damper 8, and the bolt is fixed through the nut 1102.
The two ends of the magneto-rheological damper 8 are consistent in the fixed positions of the wood beam combination ferrule 1 and the wood column combination ferrule 2 extending out of the plate 5, so that the damping effect is maximized.
The thickness of the shape memory alloy strip 7 is 5-8mm, and the width is 0.5 times of the width of the wood beam.
The thickness of the two symmetrical steel spartic boards 9 is 0.9 times of the width of the wood beam.
Specific example 2:
referring to fig. 8, a method for semi-actively restoring a mortise and tenon joint reinforcing device includes the following steps:
1) the wood beam combination hoop 1 and the wood column combination hoop 2 are respectively fixed on the wood beam and the wood column through the connection action between the splicing module 3 and the connecting shaft lever 4;
2) two ends of a shape memory composite strip 7 are respectively connected and fixed with connecting plates of a wood beam combination hoop 1 and a wood column combination hoop 2 through split bolts 10, wherein the shape memory composite strip 7 is bent at the connecting point of a tenon and a mortise to form an L shape;
3) connecting flat head connectors 801 at two ends of the magnetorheological damper 8 with a wood beam combination ferrule 1 and an extension plate 5 of a wood column combination ferrule 2 through high-strength bolts 11, butterfly spring pads 1101 and nuts 1102 respectively, so that the reinforcing device is 45 degrees with the wood beam and the wood column;
4) and finally, mutually splicing the two symmetrical steel sparrow plates 9 and wrapping the shape memory alloy plate 7 and the magneto-rheological damper 8 in the steel sparrow plates.
Since the above description is only a specific embodiment of the present invention, but the protection of the present invention is not limited thereto, any equivalent changes or substitutions of the technical features of the present invention which can be conceived by those skilled in the art are included in the protection scope of the present invention.
Claims (10)
1. A semi-active self-resetting tenon-and-mortise joint reinforcing device comprises a reinforcing device and a semi-active self-resetting structure; the method is characterized in that: the reinforcing device comprises a wood beam combination hoop (1) and a wood column combination hoop (2), the semi-active self-resetting structure is arranged between the wood beam combination hoop (1) and the wood column combination hoop (2), the semi-active self-resetting structure comprises a shape memory combination strip (7) and a magneto-rheological shock absorber (8), the wood beam combination hoop (1) and the wood column combination hoop (2) are respectively composed of a splicing module (3), a connecting shaft rod (4), an extending plate (5) and a connecting plate (6), connecting structures are arranged at two ends of the shape memory combination strip (7) and the magneto-rheological shock absorber (8), one end of the shape memory combination strip (7) is connected with the connecting plate (6) of the wood beam combination hoop (1) through the connecting structures, the other end of the shape memory combination strip (7) is connected with the connecting plate (6) of the wood column combination hoop (2) through the connecting structures, one end of the magneto-rheological shock absorber (8) is connected with the extending plate (5) of the wood beam combination hoop (1) through the connecting structures, the other end of the magneto-rheological shock absorber (8) is connected with the extension plate (5) of the wood column combined hoop (2) through a connecting structure.
2. The semi-active self-resetting mortise and tenon joint reinforcing device according to claim 1, characterized in that: piece together and insert module (3) quantity be the polylith, the polylith pieces together and inserts module (3) and connect through connecting axostylus axostyle (4), the polylith pieces together and inserts module (3) and arrange and form the ring cover structure, stretch out board (5) and connecting plate (6) and set up the joint department at ring cover both ends, be close to the piece together of stretching out board (5) part and insert the module and stretch out between board (5) and connecting plate (6) for a whole.
3. The semi-active self-resetting mortise and tenon joint reinforcing device according to claim 1, characterized in that: the magnetorheological damper (8) is composed of a flat head connector (801), a piston rod (802), a piston (803) and a magnetorheological damper cylinder body (804).
4. The semi-active self-resetting mortise and tenon joint reinforcing device according to claim 3, wherein: magnetorheological fluid is stored in the magnetorheological damper cylinder body (804), a coil is wound on the piston (803), and a volume compensation chamber is arranged at one end of the magnetorheological damper cylinder body (804).
5. The semi-active self-resetting mortise and tenon joint reinforcing device according to claim 1, which is characterized in that: the connecting structure comprises split bolts (10) and high-strength bolts (11), the split bolts (10) are arranged at two ends of a shape memory closing strip (7), the split bolts (10) are used for connecting the shape memory closing strip (7) with a connecting plate (6) of a wood beam combination hoop (1) and a wood column combination hoop (2), bolt holes are formed in the plate surface of the connecting plate (6), bolt holes are also formed in the connecting positions, corresponding to the connecting plate (6), of the two ends of the shape memory closing strip (7), the connecting plate (6) and the two ends of the shape memory closing strip (7) are fixedly connected through the split bolts (10), and the high-strength bolts (11) are arranged.
6. The semi-active self-resetting mortise and tenon joint reinforcing device according to claim 5, characterized in that: the high-strength bolt (11) is arranged at two ends of the magneto-rheological damper (8), flat-head connectors (801) are arranged at two ends of the magneto-rheological damper (8), the magneto-rheological damper (8) is connected with the wood beam combination hoop (1) and the extending plate (5) of the wood column combination hoop (2) through the flat-head connectors (801) by the high-strength bolt (11), fixing positions of the two-end flat-head connectors (801) of the magneto-rheological damper (8) and the extending plate (5) of the wood beam combination hoop (1) and the wood column combination hoop (2) are consistent, the high-strength bolt (11) comprises a butterfly spring pad (1101) and a nut (1102), and butterfly spring pads (1101) are arranged at two ends, penetrating through the flat-head connectors (801) at two ends of the magneto-rheological damper (8), of the bolt (11) and are fixed through the nut (1102).
7. The semi-active self-resetting mortise and tenon joint reinforcing device according to claim 1, which is characterized in that: the thickness of the shape memory alloy strip (7) is 5-8mm, and the width of the shape memory alloy strip is 0.5 times of the width of the wood beam.
8. The semi-active self-resetting mortise and tenon joint reinforcing device according to claim 1, which is characterized in that: semi-initiative from the reset structure outside be equipped with protection architecture, protection architecture for symmetrical steel sparrow board (9), symmetrical steel sparrow board (9) quantity is two, two symmetrical steel sparrow board (9) positions correspond, two symmetrical steel sparrow boards (9) are pieced together each other and are wrapped up shape memory alloy board (7) and magnetic current becomes bumper shock absorber (8) wherein.
9. The semi-active self-resetting mortise and tenon joint reinforcing device according to claim 8, wherein: the thickness of the symmetrical steel sparrow board (9) is 0.9 time of the width of the wood beam.
10. The method for reinforcing the semi-active self-resetting mortise and tenon reinforcing device according to any one of claims 1 to 9, wherein the method comprises the following steps: the method comprises the following steps:
step 1: fixing a hoop: the wood beam combination hoop (1) and the wood column combination hoop (2) are respectively fixed on the wood beam and the wood column through the connection action between the splicing module (3) and the connecting shaft lever (4);
step 2: connecting the shape memory alloy strips: two ends of a shape memory closing strip (7) are respectively connected and fixed with connecting plates of a wood beam combination ferrule (1) and a wood column combination ferrule (2) through split bolts (10), wherein the shape memory closing strip (7) is bent at the connecting point of a tenon and a mortise to form an L shape;
and step 3: connecting a magnetorheological damper: connecting flat-head connectors (801) at two ends of a magneto-rheological damper (8) with extension plates (5) of a wood beam combination hoop (1) and a wood column combination hoop (2) through high-strength bolts (11), butterfly spring pads (1101) and nuts (1102) respectively, so that the angle between a reinforcing device and the wood beam and the angle between the reinforcing device and the wood column are 45 degrees;
and 4, step 4: connecting a protection structure: two symmetrical steel sparrow plates (9) are mutually spliced and the shape memory alloy plate (7) and the magneto-rheological damper (8) are wrapped in the steel sparrow plates.
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| CN202210913405.9A CN115030558A (en) | 2022-08-01 | 2022-08-01 | Semi-active self-resetting tenon-and-mortise joint reinforcing device and reinforcing method |
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| CN202210913405.9A CN115030558A (en) | 2022-08-01 | 2022-08-01 | Semi-active self-resetting tenon-and-mortise joint reinforcing device and reinforcing method |
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2022
- 2022-08-01 CN CN202210913405.9A patent/CN115030558A/en active Pending
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| GB936131A (en) * | 1959-06-19 | 1963-09-04 | Colin Swallow Mining Ltd | Improvements in or relating to internal supports or linings of tunnels and shafts |
| JP2003172047A (en) * | 2001-12-03 | 2003-06-20 | Bridgestone Corp | Vibration controlling damper, mounting method thereof and wooden house |
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| CN105064531A (en) * | 2015-09-01 | 2015-11-18 | 北京交通大学 | Self-reset magnetic fluid damper |
| CN206298980U (en) * | 2016-11-02 | 2017-07-04 | 西安建筑科技大学 | Shape memory alloy spring damper |
| CN107217866A (en) * | 2017-07-18 | 2017-09-29 | 西安建筑科技大学 | A kind of timber structure Tenon node of device shape-memory alloy wire |
| CN112095792A (en) * | 2020-09-11 | 2020-12-18 | 西安建筑科技大学 | Wood sparrow-shaped friction damper reinforced mortise and tenon joint and reinforcing method thereof |
| CN112963010A (en) * | 2021-04-30 | 2021-06-15 | 东南大学 | Reinforced mortise and tenon joint device |
| CN114809691A (en) * | 2022-03-16 | 2022-07-29 | 东南大学 | Hidden type wood beam column joint reinforcing device and reinforcing method thereof |
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