CN112095792B - Wood sparrow-shaped friction damper reinforced mortise and tenon joint and reinforcing method thereof - Google Patents
Wood sparrow-shaped friction damper reinforced mortise and tenon joint and reinforcing method thereof Download PDFInfo
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- CN112095792B CN112095792B CN202010953912.6A CN202010953912A CN112095792B CN 112095792 B CN112095792 B CN 112095792B CN 202010953912 A CN202010953912 A CN 202010953912A CN 112095792 B CN112095792 B CN 112095792B
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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
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/26—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of wood
- E04B1/2604—Connections specially adapted therefor
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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
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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
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/26—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of wood
- E04B1/2604—Connections specially adapted therefor
- E04B2001/262—Connection node with interlocking of specially shaped wooden members, e.g. puzzle type connection
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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
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/26—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of wood
- E04B1/2604—Connections specially adapted therefor
- E04B2001/2628—Interlocking connectors, e.g. with hooks or dovetails, added to the elongated wooden members
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Environmental & Geological Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
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- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
A wood sparrow-shaped friction damper reinforced mortise and tenon joint and a reinforcing method thereof are disclosed, wherein the reinforced mortise and tenon joint comprises a wood post, a wood beam, mortise and tenon joints, a wood sparrow-shaped friction damper, a first connecting piece and a second connecting piece, the wood post is connected with the wood beam through the mortise and tenon joints, and the wood beam and the wood post are respectively connected with the wood sparrow-shaped friction damper through the first connecting piece and the second connecting piece; the wooden sparrow-shaped friction damper comprises a clamping plate, a panel, a high-strength bolt and a disc spring, wherein the panel and the clamping plate are connected through the high-strength bolt and the disc spring; the first connecting piece and the second connecting piece both comprise steel belts, high-strength bolts and disc springs; one end of the first connecting piece and one end of the second connecting piece are connected with the disc spring through high-strength bolts, and the other ends of the first connecting piece and the second connecting piece are respectively connected with the panel and the clamping plate. The reinforcing method drives the panel to rotate through the relative rotation of the wood beam and the wood column, so that the high-strength bolt slides to achieve the energy consumption purpose. The invention can keep the original construction characteristics of the ancient building wood structure and effectively improve the bearing capacity of the mortise and tenon joint.
Description
Technical Field
The invention relates to the technical field of seismic strengthening, energy dissipation and shock absorption of timber structures of ancient buildings, in particular to a wood sparrow-shaped friction damper reinforced mortise and tenon joint and a reinforcing method thereof.
Background
China belongs to the earthquake-prone country, most of China soil is in earthquake areas, so that the ancient building timber structure faces huge threats, in earthquake of all times, the ancient building timber structure beam column transmits bending moment and consumed energy through tenon-and-mortise extrusion deformation, so that tenon-and-mortise nodes have certain damage, the earthquake-resistant bearing capacity of the ancient building timber structure beam column is influenced, and the earthquake-resistant bearing capacity of the whole structure is reduced. Therefore, the strengthening of the mortise and tenon joint and the guarantee of the earthquake-resistant bearing capacity are important means for reinforcing the wooden structure of the historic building.
The existing reinforcing method for the wooden structure tenon-and-mortise joint of the historic building mainly comprises a nail-pulling method, a flat steel reinforcing method, a fiber cloth reinforcing method, an arc-shaped steel plate, a steel pin reinforcing method and the like. The reinforcing methods can achieve good reinforcing effect, but the selected reinforcing materials are far from the wood of the original historic building wood structure, so that the historic building has certain sense of incongruity, and the cultural relic value of the historic building is seriously influenced.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide a wood sparrow-shaped friction damper reinforced mortise-tenon joint and a reinforcing method thereof, which can realize the reinforcement of an ancient building wood structure and also can keep the characteristics of the ancient building wood structure.
In order to achieve the purpose, the invention adopts the technical scheme that:
the utility model provides a tenon fourth of twelve earthly branches node of wooden sparrow form friction damper reinforcing, includes tenon 3 that sets up at 1 tip of timber beams and the mortise mouth 4 that sets up at 2 medial surfaces of wooden pillar, and tenon 3 inserts in the mortise mouth 4, timber beams 1 reaches wooden pillar 2 links to each other with wooden sparrow form friction damper through connecting piece one 10 and connecting piece two 11 respectively.
Wooden sparrow's form friction damper includes splint 6, panel 5, high strength bolt 7 and belleville spring 8, panel 5 is two, fixes through connecting piece 10 bottom surface under the timber beams 1, splint 6 passes through connecting piece two 11 is fixed 2 medial surfaces of post, splint 6 are located two panels 5 in the middle of and connect through high strength bolt 7 and belleville spring 8.
The first connecting piece 10 comprises a first steel strip 12, a high-strength bolt 7 and a disc spring 8, the first steel strip 12 is an L-shaped steel strip, the first steel strip 12 is made of Q345B steel and is 4mm in thickness, and the galvanizing quantity of the first steel strip 12 is 275g/m2；
One ends of the two first steel belts 12 are fixed on the wood beam 1 through the high-strength bolt 7 and the disc spring 8, and the other ends of the two first steel belts are connected with the panel 5 through epoxy resin.
The second connecting piece 11 comprises a second steel belt 13, a high-strength bolt 7 and a disc spring 8, the second steel belt 13 is a semi-arc steel belt, the second steel belt 13 is made of Q345B steel, the thickness is 4mm, and the galvanizing amount of the steel belt is 275g/m2；
One end of the second steel belt 13 is fixed on the outer side of the wood column 2 through a high-strength bolt 7 and a disc spring 8, and the other end of the second steel belt is connected with the clamping plate 6 through epoxy resin.
The clamp plate 6 is provided with a groove belt 9, and the radian and the length of the groove belt 9 on the clamp plate 6 are determined by the rotation angle of the wood beam 1, the panel 5 and the size of the clamp plate 6.
The groove belt 9 is preset on the clamping plate 6, the groove belt 9 is an arc-shaped groove belt which takes the rotation point of the tenon 3 as the center of a circle and the distance between the rotation point of the tenon 3 and the central line of the groove belt 9 as the radius, the arc length corresponding angle of the groove belt is more than or equal to 15 degrees, the width of the groove belt 9 is larger than the diameter of the high-strength bolt 7, and the groove belt is as thick as the clamping plate 6.
A method for strengthening tenon-and-mortise joints strengthened by a wooden sparrow-shaped friction damper comprises the following steps;
1) fixing the splint 6 on the wood column 2 by using a certain number of second connecting pieces 11;
2) fixing the panel 5 on the wood beam 1 by using a certain number of first connecting pieces 10;
3) the size of the panel 5 and the size of the splint 6 refer to the sparrow size requirement of 'build method', the total length of the superimposed and flat placed splint 6 and the panel 5 is 1/4 with the clear and broad wood frame, the splint 6 is 1/8 with the clear and broad wood frame, the thickness of the splint 6 is 0.3 times the diameter of the wood column 2, and the total thickness of the two panels 5 and the splint 6 does not exceed the width of the wood beam 1;
the plywood 6 comprises an irregular area which is 3/16-length area with a wood frame net face, the panel 5 comprises an irregular area which is 1/16-length area with a wood frame net face plus an irregular area, and the overlapping area of the panel 5 and the plywood 6 is 1/16-length irregular area;
4) determining the size of a groove belt 9 of the panel 5 in advance through the corner of the mortise and tenon joint;
5) the panel 5 and the clamping plate 6 are connected with the first connecting piece 10 and the second connecting piece 11 by selecting a proper high-strength bolt 7 and a proper disc spring 8;
6) and applying pretightening force to the high-strength bolt 7.
The invention has the beneficial effects that:
1) the wood sparrow-shaped friction damper reinforced mortise and tenon joint and the reinforcing method thereof have the advantages that the materials are convenient to obtain, the wood sparrow-shaped friction damper is economical and environment-friendly, the processing operation is easy, the damper is additionally arranged on the inner side of the wood column, the supporting effect of the wood column on a wood beam is improved, the wood beam is stressed, and the mortise and tenon joint is protected.
2) The damper added in the invention can generate sliding friction energy dissipation through bolt sliding under the action of horizontal load, thereby reducing the energy consumption of the original mortise and tenon joint and protecting the mortise and tenon joint.
3) The invention can keep the characteristics of the ancient building wood structure and preserve the ancient building style and cultural relic value.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a connection view of the plywood and the wooden pole according to the present invention.
Fig. 3 is a connection diagram of a panel and a wood beam according to the present invention.
Fig. 4 is a schematic structural view of the splint 6.
Fig. 5 is a schematic structural view of the panel 5.
FIG. 6 is a circuit diagram of the present invention.
Wherein, 1 is a beam; 2 is a column; 3 is a tenon; 4, a mortise opening; 5 is a panel; 6 is a splint; 7 is a high-strength bolt; 8 is a disk spring; 9 is a groove belt; 10 is a first connecting piece; 11 is a connecting piece II; 12 is a first steel strip; and 13 is a second steel strip.
Detailed Description
The present invention will be described in further detail with reference to examples.
Referring to fig. 1-5, the invention relates to a wood sparrow-shaped friction damper reinforced mortise and tenon joint and a reinforcing method thereof.
The utility model provides a tenon fourth of twelve earthly branches node of wooden sparrow form friction damper reinforcing, includes tenon 3 that sets up at 1 tip of timber beams and in the fourth of twelve earthly branches mouth 4 that 2 medial surfaces of wooden post set up, tenon 3 inserts in fourth of twelve earthly branches mouth 4, timber beams 1 reaches timber posts 2 link to each other with wooden sparrow form friction damper through connecting piece one 10 and connecting piece two 11 respectively, wooden sparrow form friction damper includes splint 6, panel 5, high strength bolt 7 and belleville spring 8, panel 5 is two, fixes through connecting piece one 10 bottom surface under the timber beams 1, splint 6 passes through connecting piece two 11 are fixed 2 medial surfaces of timber posts, splint 6 are located between two panels 5 and connect the bottom surface through high strength bolt 7 and belleville spring 8The first connecting piece 10 comprises a first steel strip 12, a high-strength bolt 7 and a disc spring 8, the first steel strip 12 is an L-shaped steel strip, in detail, referring to FIG. 3, the first steel strip 12 is made of Q345B steel and has a thickness of 4mm, and the galvanization amount of the steel strip is 275g/m2。
One ends of the two first steel belts 12 are fixed on the wood beam 1 through the high-strength bolt 7 and the disc spring 8, and the other ends of the two first steel belts are connected with the panel 5 through epoxy resin.
The second connecting piece 11 comprises a second steel belt 13, the high-strength bolt 7 and the disc spring 8, the steel belt 13 is a semi-arc steel belt, the detailed description is shown in fig. 2, the second steel belt is made of Q345B steel and has the thickness of 4mm, and the galvanizing quantity of the steel belt is 275g/m2。
One end of the second steel belt 13 is fixed on the outer side of the column 2 through the high-strength bolt 7 and the disc spring 8, and the other end of the second steel belt is connected with the clamping plate 6 through epoxy resin.
The groove belt 9 is preset on the clamping plate 6, the groove belt 9 is an arc-shaped groove belt which takes the rotating point of the tenon 3 as the center of a circle and the distance between the rotating point of the tenon 3 and the central line of the groove belt 9 as the radius, the arc length corresponding angle of the groove belt is more than or equal to 15 degrees, the width of the groove belt 9 is larger than the diameter of the high-strength bolt 7, and the groove belt is as thick as the clamping plate 6.
A method for reinforcing a tenon-and-mortise joint reinforced by a wooden sparrow-shaped friction damper comprises the following steps:
1, fixing a splint 6 on a wood column 2 by using a certain number of second connecting pieces 11;
2 fixing the panel 5 on the wood beam 1 by using a certain number of first connecting pieces 10;
the dimension of 3 panels 5 and the dimension of splint 6 refer to sparrow of "build formula" dimensional requirement, splint 6 with the total length is kept flat for 1/4 that wooden frame net face is broad for the coincide of panel 5, splint 6 height is 1/8 that wooden frame net face is broad, splint 6's thickness is 0.3 times column footpath, the total thickness of two panels 5 and splint is no longer than the beam width. The cleat 6 contains an irregular area 3/16 long in the clear area of the timber frame, see fig. 4 in detail, and the panel 5 contains an area 1/16 long in the clear area of the timber frame plus the irregular area, see fig. 5 in detail. The overlapping area of the panel 5 and the clamping plate 6 is an irregular area of 1/16 length.
4, accurately calculating and determining the size of the panel 5, the size of the clamping plate 6 and the overlapping area of the two, and determining the size of the groove belt 9 of the panel 5 in advance through the mortise and tenon joint corner;
5, selecting a proper high-strength bolt 7 and a disk spring 8 to connect the panel 5 with the clamping plate 6, the first connecting piece 10 and the second connecting piece 11;
6, applying pretightening force to the high-strength bolt.
Technical circuit diagram
Referring to fig. 6, the technical circuit diagram of the reinforced mortise and tenon joint of the wooden sparrow-shaped friction damper and the reinforcing method thereof is shown.
The reinforced tenon-and-mortise joint of the wooden sparrow-shaped friction damper and the reinforcing method thereof are only exemplary embodiments, the implementation of the invention is not limited to the above, and any non-inventive modification and deformation based on the scheme are still within the protection scope of the invention.
Claims (4)
1. A wooden sparrow-shaped friction damper reinforced mortise and tenon joint comprises a tenon (3) arranged at the end part of a wood beam (1) and a mortise opening (4) arranged on the inner side surface of a wood column (2), wherein the tenon (3) is inserted into the mortise opening (4), the wood beam (1) and the wood column (2) are respectively connected with the wooden sparrow-shaped friction damper through a first connecting piece (10) and a second connecting piece (11), it is characterized in that the wooden sparrow-shaped friction damper comprises two clamping plates (6), two panels (5), high-strength bolts (7) and disk springs (8), the clamping plate is fixed on the lower bottom surface of the wood beam (1) through a first connecting piece (10), the clamping plate (6) is fixed on the inner side surface of the wood column (2) through a second connecting piece (11), and the clamping plate (6) is positioned between the two panels (5) and is connected with the disc spring (8) through a high-strength bolt (7);
the first connecting piece (10) comprises a first steel belt (12), a high-strength bolt (7) and a disc spring (8), one end of the first steel belt (12) is fixed on the wood beam (1) through the high-strength bolt (7) and the disc spring (8), and the other end of the first steel belt is connected with the panel (5) through epoxy resin; the second connecting piece (11) comprises a second steel belt (13), a high-strength bolt (7) and a disc spring (8), one end of the second steel belt (13) is fixed on the outer side of the wood column (2) through the high-strength bolt (7) and the disc spring (8), and the other end of the second steel belt is connected with the clamping plate (6) through epoxy resin;
the groove belt (9) is arranged on the clamping plate (6), the groove belt (9) is a circular arc-shaped groove belt taking the rotation point of the tenon (3) as the circle center and the distance between the rotation point of the tenon (3) and the central line of the groove belt (9) as the radius, the arc length corresponding angle of the groove belt is more than or equal to 15 degrees, the width of the groove belt (9) is larger than the diameter of the high-strength bolt (7), and the groove belt and the clamping plate (6) are as thick as each other.
2. The wood sparrow-like friction damper enhanced mortise and tenon joint according to claim 1, wherein the first steel strip (12) is an L-shaped steel strip, the first steel strip (12) is Q345B steel with a thickness of 4mm, and the first steel strip (12) is galvanized at 275g/m2。
3. The wood sparrow-shaped friction damper reinforced mortise and tenon joint as claimed in claim 1, wherein the second steel strip (13) is a semi-arc steel strip, the second steel strip (13) is made of Q345B steel and has a thickness of 4mm, and the galvanization amount of the steel strip is 275g/m2。
4. The method for reinforcing the tenon-and-mortise joint reinforced by the wooden sparrow-shaped friction damper based on the claim 1 is characterized by comprising the following steps;
1) fixing the splint (6) on the wood column (2) by using a plurality of second connecting pieces (11);
2) fixing the panel (5) on the wood beam (1) by using a plurality of first connecting pieces (10);
3) the size of the panel (5) and the size of the plywood (6) refer to the sparrow's size requirement of ' build method ', the total length of the superposed flat placement of the plywood (6) and the panel (5) is 1/4 of the net width of a wooden frame, the height of the plywood (6) is 1/8 of the net width of the wooden frame, the thickness of the plywood (6) is 0.3 times the diameter of the wooden column (2), and the total thickness of the two panels (5) and the plywood does not exceed the width of the wooden beam (1);
the plywood (6) comprises an irregular area which is 3/16-length of timber frame net face, the panel (5) comprises an area which is 1/16-length area of timber frame net face plus the irregular area, and the overlapping area of the panel (5) and the plywood (6) is 1/16-length area;
4) determining the size of a groove belt (9) of the panel (5) in advance through mortise and tenon joint corners;
5) a high-strength bolt (7) and a disc spring (8) are selected to connect the panel (5) with the clamping plate (6) and the connecting piece I (10) and the connecting piece II (11);
6) and applying pretightening force to the high-strength bolt (7).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010953912.6A CN112095792B (en) | 2020-09-11 | 2020-09-11 | Wood sparrow-shaped friction damper reinforced mortise and tenon joint and reinforcing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010953912.6A CN112095792B (en) | 2020-09-11 | 2020-09-11 | Wood sparrow-shaped friction damper reinforced mortise and tenon joint and reinforcing method thereof |
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| Publication Number | Publication Date |
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| CN112095792A CN112095792A (en) | 2020-12-18 |
| CN112095792B true CN112095792B (en) | 2022-02-11 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113216418B (en) * | 2021-05-21 | 2023-09-26 | 机械工业勘察设计研究院有限公司 | Viscoelastic damper for enhancing anti-seismic performance of mortise and tenon joint and reinforcing structure of viscoelastic damper |
| CN113668895A (en) * | 2021-09-10 | 2021-11-19 | 郑州大学 | Be used for reinforced (rfd) power consumption sparrow of timber beams post connected node |
| CN115030558A (en) * | 2022-08-01 | 2022-09-09 | 聊城大学 | Semi-active self-resetting tenon-and-mortise joint reinforcing device and reinforcing method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP4592145B2 (en) * | 2000-04-12 | 2010-12-01 | 清水建設株式会社 | Damping damper and manufacturing method thereof |
| CN103835387B (en) * | 2014-03-17 | 2016-03-09 | 河北联合大学 | Assembling frame structure node frcition damper |
| CN104652642B (en) * | 2015-01-30 | 2017-06-16 | 扬州大学 | The decorated bracket formula device of gallows timber Deformation control and energy dissipation |
| CN106285140B (en) * | 2016-09-22 | 2018-06-22 | 西安建筑科技大学 | A kind of fan-shaped friction of joint energy consumer of the adjustable frictional force based on friction plate |
| CN209384379U (en) * | 2018-10-23 | 2019-09-13 | 西安建筑科技大学 | A kind of historic building structure bean column node frcition damper |
| CN110777959A (en) * | 2019-11-13 | 2020-02-11 | 长安大学 | Node semi-active damping control device with strengthening-variable friction energy dissipation function |
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