CN114908992B - Friction energy consumption enhancing device and method for loosening mortise and tenon joint - Google Patents
Friction energy consumption enhancing device and method for loosening mortise and tenon joint Download PDFInfo
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- CN114908992B CN114908992B CN202210479976.6A CN202210479976A CN114908992B CN 114908992 B CN114908992 B CN 114908992B CN 202210479976 A CN202210479976 A CN 202210479976A CN 114908992 B CN114908992 B CN 114908992B
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- steel plate
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- column
- connecting rod
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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
- E04B1/62—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
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
-
- 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
- E04G2023/0248—Increasing or restoring the load-bearing capacity of building construction elements of elements made of wood
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
Abstract
The invention discloses a friction energy consumption reinforcing device and a friction energy consumption reinforcing method for a loose mortise-tenon joint, which are suitable for the loose mortise-tenon joint with a gap in the upper area of a tenon, wherein the gap is filled by two wedge-shaped wood blocks, the outer side of a column at the gap is wrapped by carbon fiber cloth, a column connecting piece is fixed on the column by a fastening bolt I, a steel plate I is connected with a beam by a fastening bolt II, the steel plate II is tied together by four springs after being placed in place, and two ends of a connecting rod are respectively hinged with the column connecting piece and the steel plate II by a bolt I and a bolt II. The invention can not cause local damage to the original structure, can effectively enhance the earthquake resistance of damaged nodes, has detachable and replaceable parts, and has reasonable design, thereby being convenient for later maintenance and adjustment.
Description
Technical Field
The invention relates to the technical field of civil engineering earthquake resistance, in particular to a friction energy consumption enhancing device and method for loosening mortise and tenon joints.
Background
The existing ancient architecture wood structures in China are numerous, wherein certain damage exists in most of the structures, the loosening of the nodes caused by gaps among mortise and tenon joints is the most common damage form, and the loosening of the nodes can cause the rigidity, the strength, the energy consumption capacity and other anti-seismic performances of the nodes to no longer meet the anti-seismic requirement. Therefore, reinforcement of loose mortise and tenon joints becomes an increasingly important research topic.
The prior node reinforcement technology of the historic building wood structure mainly comprises reinforcement of metal connectors and reinforcement of fiber composite materials. The metal connecting piece such as tinplate, flat steel and the like is easy to generate material yield and corrosion in the use process, and the metal connecting piece can inevitably locally damage the wooden structure of the ancient building in the installation process. The fiber composite material reinforcement can improve the earthquake resistance of the nodes to a certain extent, but can limit the rotation of the nodes, the reinforcement effect is not ideal, and the fiber composite material reinforcement has certain limitation in practical engineering. The reinforcement mode is difficult to meet the reinforcement principle of minimum intervention of the wooden structure of the ancient building, so that a more reasonable reinforcement method is needed to meet the earthquake-resistant requirement.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention aims to provide the friction energy consumption enhancing device and the method for loosening the mortise and tenon joint, which can not cause local damage to the original structure, can effectively enhance the earthquake resistance of the damaged joint, can be disassembled and replaced, and are reasonable in design and convenient for later maintenance and adjustment.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
a friction energy consumption reinforcing means for not hard up tenon fourth of the twelve earthly branches node is applicable to the not hard up tenon fourth of the twelve earthly branches node that there is clearance in upper portion region of tenon, the clearance is filled through two wedge wood pieces 4 of staggered arrangement, the post 1 outside of clearance department is wrapped up through carbon fiber cloth 3, fastening bolt I6 is fixed two post connecting pieces 7 respectively in the preset position department of post 1, fastening bolt II 13 is connected steel sheet I12 and roof beam 2, place steel sheet II 11 in the middle position of steel sheet I12, two steel sheets II 11 are in the same place with the help of spring 14 tie, bolt I8, bolt II 10 are articulated with the both ends of connecting rod 9 and post connecting piece 7, steel sheet II 11 respectively.
The width of the wedge-shaped wood block 4 is consistent with the width of the mortise, the height is consistent with the height of the gap, the length of the wedge-shaped wood block is longer than the length of the tenon by more than 30%, the length direction of the wedge-shaped wood block 4 is the grain-following direction, and the wood is consistent with the wood used by the log structure.
The length of the connecting rod 9 is determined according to the expected positions of the components, the included angle between the connecting rod 9 and the central axis of the beam 2 is 20-30 degrees, the middle of the connecting rod 9 is a solid steel column, two ends of the connecting rod 9 are provided with tubular structures in the vertical length direction, and the tubular structures are matched with the bolts I8 and II 10 to realize the hinging of the connecting rod 9 and other structures.
The width of the steel plate II 11 is 5% wider than the beam section, two ends of one face of the steel plate II 11 facing the beam 2 are sloping surfaces, two stiffening ribs are arranged on one face of the steel plate II facing away from the beam 2, the stiffening ribs are provided with holes to be matched with bolts II 10 to be hinged with connecting rods 9, four table leg-shaped parts are arranged on the side face of the steel plate II 11, and the end parts of the parts are provided with holes for the tie springs 14.
The surface of the steel plate I12 facing the beam is a plane, the two ends of the surface facing away from the beam are sloping surfaces, the sloping surface gradient is consistent with the sloping surface gradient of the relevant position of the steel plate II 11, the width of the steel plate I12 is consistent with the section width of the beam 2, four table leg-shaped parts are arranged on the side face of the steel plate I12, bolt holes are formed in the end parts of the parts, and the steel plate I12 is tightly fixed on the beam 2 by matching with bolts II 13.
The application method of the friction energy consumption enhancing device for loosening the mortise and tenon joint comprises the following steps of;
1) Cleaning up the upper and lower planes of the tenons and mortise openings at the gaps and polishing the tenons and the mortise openings to be smooth;
2) Processing two wedge-shaped wood blocks 4 with the same size, uniformly smearing white latex on the contact surface between the two wedge-shaped wood blocks 4, and then respectively and alternately placing the two wedge-shaped wood blocks 4 in place from the upper side and the lower side of the gap;
3) Applying pressure on the length direction of the wedge-shaped wood blocks 4 by using a clamp, and gradually filling gaps when the two wedge-shaped wood blocks 4 are staggered with each other along with the application of the pressure until the wood blocks are tightly extruded with tenons and mortise openings;
4) And (5) waiting for more than 8 hours, and disassembling the clamp after the white latex is solidified. Then sawing off the superfluous part 5 of the wedge-shaped wood block along the surface of the wood column 1;
5) The carbon fiber cloth 3 is wrapped on the column body by using an epoxy resin adhesive in a matching way, and the wrapping area is covered with the height of the wood filling;
6) The column connector 7 is fixed to the column 1 by a fastening bolt i 6. The distances from the two column connecting pieces 7 to the mortise should be kept equal;
7) Two steel plates I12 are respectively placed on the upper surface and the lower surface of the beam 2, and after the steel plates I12 are placed in place, the steel plates I12 are tightly fastened and fixed on the beam 2 by the fastening bolts 14;
8) Respectively smearing cementing agents on friction surfaces of the steel plate I12 and the steel plate II 11, and then sticking a replaceable viscoelastic material layer;
9) After the steel plate II 11 is placed in place, the four springs 14 are stretched, and the stretched springs 14 have certain pretension;
10 Inserting the bolt I8 and the bolt II 10, and hinging the two ends of the connecting rod 9 with the column connecting piece 7 and the steel plate II 11.
The invention has the beneficial effects that:
1 the device of the invention has the advantages of detachable and replaceable parts, reasonable design and convenient later maintenance and adjustment.
The device can realize staged energy consumption, is in plane section friction energy consumption under the action of small shock, is in slope section friction energy consumption under the action of large shock, and the spring can provide larger normal force for the friction surface under the action of large shock.
The device can change the mechanical property and the friction area of the spring according to different design requirements, thereby realizing different energy consumption capacities and rotational rigidities.
Drawings
FIG. 1 is a schematic three-dimensional structure of the present invention.
Fig. 2 is a schematic view of a wedge-shaped wood block.
Fig. 3 is a front view of the present invention.
Fig. 4 is a top view of the present invention.
Fig. 5 is a schematic view of a connecting rod.
Fig. 6 is a schematic view of a steel sheet ii.
FIG. 7 is a schematic view of a steel sheet I.
Reference numerals: 1 is a wood column; 2 is a wood beam; 3 is carbon fiber cloth; 4 is a wedge-shaped wood block; 5 is the redundant part of the wedge-shaped wood block; 6 bolts I; 7 is a column connector; 8 is a bolt I; 9 is a connecting rod; 10 is a bolt II; 11 is a steel plate II; 12 is a steel plate I; 13 is a bolt II; 14 are springs.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings.
As shown in fig. 1-7, a friction energy consumption enhancing device for loosening mortise and tenon joints. And a gap between the mortise and tenon joints is positioned between the tenon joint and the upper and lower planes of the mortise and tenon joints. The gap-filling wood is composed of two wedge-shaped wood blocks 4. And the carbon fiber cloth 3 is used for wrapping the column shaft at the wood filling position to prevent the wood filling from displacement. The fastening bolt i 6 secures the column connector 7 to the column 1. The fastening bolt II 13 tightly connects the steel plate I12 with the beam 2, the steel plate II 11 is placed in place and then is tied together by means of four springs 14, and the bolts I8 and II 10 respectively hinge the two ends of the connecting rod 9 with the column connecting piece 7 and the steel plate II 11.
The width of the wedge-shaped wood block 4 is consistent with the width of the mortise, the height is consistent with the height of the gap, the length of the wedge-shaped wood block is longer than the length of the tenon by more than 30%, the length direction of the wedge-shaped wood block 4 is the grain-following direction, and the wood is consistent with the wood used by the log structure.
The length of the connecting rod 9 is determined according to the expected positions of the components, the included angle between the connecting rod 9 and the central axis of the beam 2 is 20-30 degrees, the middle of the connecting rod 9 is a solid steel column, two ends of the connecting rod 9 are provided with tubular structures in the vertical length direction, and the tubular structures are matched with the bolts I8 and II 10 to realize the hinging of the connecting rod 9 and other structures.
The width of the steel plate II 11 is 5% wider than the cross section of the beam, the two ends of one face of the steel plate II 11 facing the beam are sloping surfaces, two stiffening ribs are arranged on one face of the steel plate II facing away from the beam, the stiffening ribs are provided with holes to be matched with bolts II 10 to be hinged with connecting rods 9, four table leg-shaped parts are arranged on the side face of the steel plate II 11, and the end parts of the parts are provided with holes for the tie springs 14.
The surface of the steel plate I12 facing the beam is a plane, the two ends of the surface facing away from the beam are sloping surfaces, the sloping surface gradient is consistent with the sloping surface gradient of the relevant position of the steel plate II 11, the width of the steel plate I12 is consistent with the width of the beam section, four table leg-shaped parts are arranged on the side face of the steel plate I12, bolt holes are formed in the end portions of the parts, and the steel plate I12 is tightly fixed on the beam by matching with bolts II 13.
The application method of the friction energy consumption enhancing device for loosening the mortise and tenon joint comprises the following steps of;
1) Cleaning up the upper and lower planes of the tenons and mortise openings at the gaps and polishing the tenons and the mortise openings to be smooth;
2) Processing two wedge-shaped wood blocks 4 with the same size, uniformly smearing white latex on the contact surface between the two wedge-shaped wood blocks 4, and then respectively and alternately placing the two wedge-shaped wood blocks 4 in place from the upper side and the lower side of the gap;
3) Applying pressure on the length direction of the wedge-shaped wood blocks 4 by using a clamp, and gradually filling gaps when the two wedge-shaped wood blocks 4 are staggered with each other along with the application of the pressure until the wood blocks are tightly extruded with tenons and mortise openings;
4) And (5) waiting for more than 8 hours, and disassembling the clamp after the white latex is solidified. Then sawing off the superfluous part 5 of the wedge-shaped wood block along the surface of the wood column 1;
5) The carbon fiber cloth 3 is wrapped on the column body by using an epoxy resin adhesive in a matching way, and the wrapping area is covered with the height of the wood filling;
6) The column connector 7 is fixed to the column 1 by a fastening bolt i 6. The distances from the two column connecting pieces 7 to the mortise should be kept equal;
7) Two steel plates I12 are respectively placed on the upper surface and the lower surface of the beam 2, and after the steel plates I12 are placed in place, the steel plates I12 are tightly fastened and fixed on the beam 2 by the fastening bolts 14;
8) Respectively smearing cementing agents on friction surfaces of the steel plate I12 and the steel plate II 11, and then sticking a replaceable viscoelastic material layer;
9) After the steel plate II 11 is placed in place, the four springs 14 are stretched, and the stretched springs 14 have certain pretension;
10 Inserting the bolt I8 and the bolt II 10, and hinging the two ends of the connecting rod 9 with the column connecting piece 7 and the steel plate II 11.
The material size requirements of each component are as follows:
1) The width of the wedge-shaped wood block 4 is consistent with the width of the mortise, the height is consistent with the height of the gap, and the length is more than 30% longer than the length of the gap. The length direction of the wedge-shaped wood blocks 4 is the following grain direction, and the wood is consistent with the wood used in the log structure.
2) The width of the steel plate II 11 should be slightly wider than the beam cross section.
3) The width of the steel plate I12 is consistent with the width of the beam section.
4) The length of the connecting rod 9 is determined according to the expected position of the component, and the included angle between the connecting rod and the central axis of the beam is recommended to be controlled between 20 and 30 degrees.
The working mechanism is as follows: when the node is subjected to external action to generate angular displacement, the steel plate II 11 and the steel plate I12 relatively move to generate friction under the pushing of the connecting rod 9, and the pulling force of the spring 14 gives a normal force to the friction surface, so that considerable friction energy consumption is generated, and the purpose of shock absorption is achieved. The variable cross-section design of the steel plate I12 and the larger normal force provided by the spring 14 under a large rotation angle enable the device to play a larger energy consumption role under the action of large vibration.
Claims (4)
1. The friction energy consumption reinforcing device for loosening the mortise and tenon joint is characterized by comprising gaps between mortise and tenon joints, wherein the gaps are filled by two wedge-shaped wood blocks (4) which are arranged in a staggered mode, the outer sides of columns (1) at the gaps are wrapped by carbon fiber cloth (3), two column connecting pieces (7) are respectively fixed at preset positions of the columns (1) by fastening bolts I (6), a steel plate I (12) is connected with a beam (2) by fastening bolts II (13), a steel plate II (11) is placed in the middle position of the steel plate I (12), the steel plate II (11) is tied together by means of four springs (14) after being placed in place, and two ends of a connecting rod (9) are respectively hinged with the column connecting pieces (7) and the steel plate II (11) by bolts I (8) and II (10);
the width of the steel plate II (11) is 5% wider than the cross section of the beam, the two ends of one surface of the steel plate II (11) facing the beam are sloping surfaces, two stiffening ribs are arranged on one surface of the steel plate II facing away from the beam, the stiffening ribs are provided with holes to be matched with bolts II (10) to be hinged with the connecting rods (9), four table leg-shaped parts are arranged on the side surface of the steel plate II (11), and the end parts of the parts are provided with holes for a tie spring (14);
the surface of the steel plate I (12) facing the beam (2) is a plane, the two ends of the surface facing away from the beam (2) are sloping surfaces, the sloping surface gradient is consistent with the sloping surface gradient of the relevant position of the steel plate II (11), the width of the steel plate I (12) is consistent with the section width of the beam (2), four table leg-shaped parts are arranged on the side face of the steel plate I (12), bolt holes are formed in the end parts of the parts, and the steel plate I (12) is tightly fixed on the beam (2) by being matched with bolts II (13).
2. The friction energy consumption enhancing device for loosening mortise and tenon joints according to claim 1, wherein the width of the wedge-shaped wood block (4) is consistent with the width of a mortise opening, the height is consistent with the height of a gap, the length of the wedge-shaped wood block is longer than the length of a tenon by more than 30%, the length direction of the wedge-shaped wood block (4) is the grain-following direction, and wood is consistent with wood used in a log structure.
3. The friction energy consumption reinforcing device for loosening mortise and tenon joints according to claim 1, wherein the length of the connecting rod (9) is determined according to the expected position of a part, an included angle between the connecting rod (9) and the central axis of the beam (2) is 20-30 degrees, a solid steel column is arranged in the middle of the connecting rod (9), tubular structures are arranged at two ends of the connecting rod in the vertical length direction, and the tubular structures are matched with the bolts I (8) and the bolts II (10) to realize the hinging of the connecting rod (9) and other structures.
4. A method of using a friction energy consumption enhancing apparatus for loosening mortise and tenon joints according to any one of claims 1 to 3, comprising the steps of;
1) Cleaning up the upper and lower planes of the tenons and mortise openings at the gaps and polishing the tenons and the mortise openings to be smooth;
2) Processing two wedge-shaped wood blocks (4) with the same size, uniformly coating white latex on the contact surface between the two wedge-shaped wood blocks (4), and then respectively and vertically staggering the two wedge-shaped wood blocks (4) from two sides of a gap to be in place;
3) Applying pressure to the length direction of the wedge-shaped wood blocks (4) by using a clamp, and enabling the two wedge-shaped wood blocks (4) to move mutually and gradually fill in the gap along with the application of the pressure until the wood blocks are tightly pressed with the tenons and the mortise;
4) After the white latex is solidified, the clamp is disassembled after the white latex is solidified for more than 8 hours, and then the redundant part (5) of the wedge-shaped wood block is sawn off along the surface of the wood column (1);
5) The carbon fiber cloth (3) is wrapped on the column body by using an epoxy resin adhesive in a matching way, and the wrapping area is covered with the height of the wood filling;
6) The column connecting pieces (7) are fixed on the columns (1) through the fastening bolts I (6), and the distances from the two column connecting pieces (7) to the mortise openings are kept equal;
7) Two steel plates I (12) are respectively placed on the upper surface and the lower surface of the beam (2), and after the two steel plates I (12) are placed in place, the steel plates I (12) are tightly fastened and fixed on the beam (2) through fastening bolts II (13);
8) Respectively smearing cementing agents on friction surfaces of the steel plate I (12) and the steel plate II (11), and then adhering a replaceable viscoelastic material layer;
9) After the steel plate II (11) is placed in place, the four springs (14) are stretched, and the stretched springs (14) have certain pretension;
10 Inserting the bolt I (8) and the bolt II (10), and hinging the two ends of the connecting rod (9) with the column connecting piece (7) and the steel plate II (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210479976.6A CN114908992B (en) | 2022-05-05 | 2022-05-05 | Friction energy consumption enhancing device and method for loosening mortise and tenon joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210479976.6A CN114908992B (en) | 2022-05-05 | 2022-05-05 | Friction energy consumption enhancing device and method for loosening mortise and tenon joint |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114908992A CN114908992A (en) | 2022-08-16 |
| CN114908992B true CN114908992B (en) | 2023-10-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210479976.6A Active CN114908992B (en) | 2022-05-05 | 2022-05-05 | Friction energy consumption enhancing device and method for loosening mortise and tenon joint |
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| CN (1) | CN114908992B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112392288A (en) * | 2020-12-07 | 2021-02-23 | 福州大学 | Device and method for reinforcing wood beam by combining prestressed FRP (fiber reinforced Plastic) and high-strength steel wire rope |
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| JP2001123673A (en) * | 1999-10-27 | 2001-05-08 | Takeshi Ariyoshi | Seismic reinforcing method for building and reinforcing apparatus used therefor |
| JP2004036139A (en) * | 2002-07-01 | 2004-02-05 | Gifu Seppan Kogyo Kk | Earthquake-resistance reinforcing tool |
| CN102383497A (en) * | 2011-08-11 | 2012-03-21 | 北京市古代建筑研究所 | Disc type expander and use method thereof |
| CN203452205U (en) * | 2013-09-04 | 2014-02-26 | 重庆家和琴森木业有限公司 | Stud and cross beam structural assembly of wooden house |
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| 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 |
| CN110173130A (en) * | 2019-06-24 | 2019-08-27 | 西安建筑科技大学 | A kind of hidden reinforcing and shock absorption energy consuming device suitable for timber structure end bay Tenon node |
| CN210421987U (en) * | 2019-06-24 | 2020-04-28 | 西安建筑科技大学 | Energy dissipation and shock absorption device suitable for ancient building timber structure tenon fourth of twelve earthly branches node |
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2022
- 2022-05-05 CN CN202210479976.6A patent/CN114908992B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001123673A (en) * | 1999-10-27 | 2001-05-08 | Takeshi Ariyoshi | Seismic reinforcing method for building and reinforcing apparatus used therefor |
| JP2004036139A (en) * | 2002-07-01 | 2004-02-05 | Gifu Seppan Kogyo Kk | Earthquake-resistance reinforcing tool |
| CN102383497A (en) * | 2011-08-11 | 2012-03-21 | 北京市古代建筑研究所 | Disc type expander and use method thereof |
| CN203452205U (en) * | 2013-09-04 | 2014-02-26 | 重庆家和琴森木业有限公司 | Stud and cross beam structural assembly of wooden house |
| CN106480991A (en) * | 2016-11-02 | 2017-03-08 | 西安建筑科技大学 | A kind of shape memory alloy spring antivibrator |
| 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 |
| CN110173130A (en) * | 2019-06-24 | 2019-08-27 | 西安建筑科技大学 | A kind of hidden reinforcing and shock absorption energy consuming device suitable for timber structure end bay Tenon node |
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| CN114908992A (en) | 2022-08-16 |
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