CN112575894B - Self-resetting friction energy-consumption bolt connection node of wood structure - Google Patents
Self-resetting friction energy-consumption bolt connection node of wood structure Download PDFInfo
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- CN112575894B CN112575894B CN202110109886.3A CN202110109886A CN112575894B CN 112575894 B CN112575894 B CN 112575894B CN 202110109886 A CN202110109886 A CN 202110109886A CN 112575894 B CN112575894 B CN 112575894B
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- column
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- bolt
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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
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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
- E04B1/38—Connections for building structures in general
- E04B1/58—Connections for building structures in general of bar-shaped building 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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- 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
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention discloses a wood-structure self-resetting friction energy-consumption bolt connecting node which comprises beam steel plates, column steel plates, a wood column and a wood beam, wherein the wood beam is vertically arranged on the right side of the wood column, mounting grooves are formed in the joints of the wood column and the wood beam, the beam steel plates and the column steel plates are clamped inside the mounting grooves, the number of the column steel plates is two, the two column steel plates are distributed on two sides of the beam steel plates in a mirror image mode, the upper side and the lower side of each of the beam steel plates and the column steel plates are fixedly provided with lug plates, and SMA wires are fixedly arranged at the tops of the lug plates. According to the wood-structure self-resetting friction energy-consumption bolt connecting node, additional damping is provided for the beam-column connecting node by utilizing the friction plate, and residual displacement generated after the structure is stressed can be solved by adding the hyperelastic SMA wire, so that the connecting node has high energy consumption and self-resetting functions.
Description
Technical Field
The invention relates to the technical field of buildings, in particular to a wood structure self-resetting friction energy-consumption bolt connecting node.
Background
Modern beam column type timber structure is one of the main directions of timber structure development in our country. The beam column and column foot connecting node is a basic component of a beam column type wood structure, the performance of the node is directly related to the reliability of the structure, and the stress distribution and the safety performance of the whole structure are greatly influenced. The bolt connection has the advantages of simple manufacture and installation, for a wood structure, a node is a main energy consumption area, and the simple bolt-steel inserting plate connection mode has the problem of insufficient energy consumption.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a wood-structure self-resetting friction energy-consumption bolt connecting node which has the advantages of high energy consumption, self-resetting, high overall strength and the like, and solves the problems in the background art.
In order to achieve the purposes of high energy consumption, self-resetting and high overall strength, the invention is realized by the following technical scheme: a wood structure self-resetting friction energy-dissipation bolt connection node comprises a beam steel plate, column steel plates, a wood column and a wood beam, wherein the wood beam is vertically installed on the right side of the wood column, a mounting groove is formed in the joint of the wood column and the wood beam, the beam steel plate and the column steel plate are clamped inside the mounting groove, the number of the column steel plates is two, the two column steel plates are distributed on two sides of the beam steel plate in a mirror mode, lug plates are fixedly installed on the upper side and the lower side of the beam steel plate and the upper side and the lower side of the column steel plate respectively, SMA wires are fixedly installed at the tops of the lug plates, a limiting groove is formed in the side surface of the column steel plate, a friction plate is embedded inside the limiting groove, arc-shaped bolt installation holes are formed in the side surface of the beam steel plate, bolt round holes which are matched with each other are formed in the side surfaces of the two beam steel plates and the side surfaces of the column steel plate, the connecting wood member and the wood column, steel pipe positioned on two sides of the beam steel plate is movably sleeved inside the bolt round holes, and the inside movable sleeve of steel pipe is equipped with connecting bolt, the outside movable sleeve of steel pipe is equipped with the connection timber compoment, connecting nut has been cup jointed to connecting bolt's one end screw thread.
Furthermore, the ear plates are located on the right sides of the upper side and the lower side of the beam steel plate and the right side of the lower side of the column steel plate, the ear plates on the upper side and the lower side of the beam steel plate and the column steel plate are fixedly connected through four SMA wires made of shape memory alloy, and the ear plates and the SMA wires form a self-resetting structure.
Furthermore, the number of the bolt round holes on the side surface of the column steel plate is five, and the bolt round holes and the limiting grooves are distributed in a staggered mode.
Furthermore, one side of the beam steel plate side, which is embedded into the wood column, is provided with a bolt round hole and four arc-shaped bolt mounting holes, one side of the beam steel plate, which is embedded into the wood beam, is provided with four bolt round holes, and the beam steel plate, the column steel plate and the friction plate form a friction energy dissipation structure.
Further, the connection timber compoment joint is inside the mounting groove of post, the mounting hole of mutually supporting with the steel pipe is seted up to the side of connecting timber compoment, and the diameter value of mounting hole is greater than the diameter value of steel pipe.
Further, the steel pipe is of a two-section structure, the two sections of steel pipes are respectively positioned inside the connecting wood members on the two sides of the column steel plate, and the length value of each section of steel pipe is the same as the thickness value of the connecting wood member.
Further, the diameter value of steel pipe is greater than connecting bolt's diameter value, connecting bolt's outside movable sleeve is equipped with the gasket that is located coupling nut one side, and gasket and steel pipe one end in close contact with.
Has the advantages that:
1. according to the wood-structure self-resetting friction energy-consumption bolt connecting node, additional damping is provided for the beam-column connecting node by utilizing the friction plate, and residual displacement generated after the structure is stressed can be solved by adding the hyperelastic SMA wire, so that the connecting node has high energy consumption and self-resetting functions.
2. This timber structure is from restoring to throne friction power consumption bolted connection node, beam column type timber compoment receive the exogenic action, when the exogenic effect surpassed the biggest static friction between roof beam steel sheet and the friction plate, and the relative rotation can take place for post and timber beams, owing to coupling nut and the extrusion of gasket to the steel pipe this moment to make the steel pipe inwards extrude the post steel sheet of both sides, make the steel pipe exert certain extrusion to post steel sheet and roof beam steel sheet, more be favorable to exerting the friction power consumption function.
Drawings
FIG. 1 is a schematic view of a beam-column joint structure according to the present invention;
FIG. 2 is a schematic structural view of a prestressed casing bolt according to the present invention;
FIG. 3 is a schematic view of a node element of the present invention;
FIG. 4 is a schematic structural view of the beam-column steel plate explosion of the present invention;
FIG. 5 is a schematic structural view of the top of the beam-column steel plate after connection according to the present invention;
FIG. 6 is a schematic structural view of the side of the beam steel plate of the present invention;
fig. 7 is a schematic structural view of a side surface of a pillar steel plate according to the present invention.
In the figure: 1. a beam steel plate; 2. a column steel plate; 3. an ear plate; 4. SMA wires; 5. a friction plate; 6. a bolt circular hole; 7. a connecting bolt; 8. a steel pipe; 9. a connecting nut; 10. an arc bolt mounting hole; 11. a gasket; 12. a limiting groove; 13. connecting the wood members; 14. a wood column; 15. a wood beam.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1 to 7, the present invention provides a technical solution: a wood structure self-resetting friction energy-consumption bolt connection node comprises beam steel plates 1, column steel plates 2, a wood column 14 and a wood beam 15, wherein the wood beam 15 is vertically installed on the right side of the wood column 14, installation grooves are formed in the joints of the wood column 14 and the wood beam 15, the beam steel plates 1 and the column steel plates 2 are clamped in the installation grooves, the number of the column steel plates 2 is two, the two column steel plates 2 are distributed on the two sides of the beam steel plates 1 in a mirror image mode, ear plates 3 are fixedly installed on the upper side and the lower side of the beam steel plates 1 and the upper side and the lower side of the column steel plates 2 respectively, SMA wires 4 are fixedly installed at the tops of the ear plates 3, limiting grooves 12 are formed in the side surfaces of the column steel plates 2, friction plates 5 are embedded in the limiting grooves 12, arc-shaped bolt installation holes 10 are formed in the side surfaces of the beam steel plates 1, the side surfaces of the two beam steel plates 1 and the column steel plates 2, a connecting wood member 13, bolts 6 matched with each other are formed in the side surfaces of the wood column 14, and movable round holes in the inner parts of the bolts 6 are positioned on steel pipes 8 on the two sides of the beam steel plates 1, and the inside movable sleeve of steel pipe 8 is equipped with connecting bolt 7, and the outside movable sleeve of steel pipe 8 is equipped with connecting timber spare 13, and connecting nut 9 has been cup jointed to the one end screw thread of connecting bolt 7.
The ear plates 3 are positioned on the right sides of the upper and lower sides of the beam steel plate 1 and the column steel plate 2, the beam steel plate 1 and the ear plates 3 on the upper and lower sides of the column steel plate 2 are fixedly connected through four SMA wires 4, the SMA wires 4 are made of shape memory alloy, the ear plates 3 and the SMA wires 4 form a self-resetting structure, when the wooden beam 15 and the wooden column 14 rotate relatively, the beam steel plate 1 and the column steel plate 2 are driven to reset through the automatic resetting capability of the SMA wires 4 due to the connection of the ear plates 3 and the SMA wires 4, and the SMA wires 4 consume energy in the reciprocating stretching and recovery and the relative sliding process of the friction plate 5 and the beam steel plate 1, so as to achieve the purposes of energy consumption and self-resetting,
the quantity of 2 side bolt round holes 6 of post steel sheet is five, and bolt round hole 6 distributes with spacing groove 12 is crisscross, a bolt round hole 6 and four arc bolt mounting holes 10 have been seted up to one side of 1 side embedding wooden pillar of beam steel sheet 14, four bolt round holes 6 have been seted up to one side of 1 embedding wooden roof beam 15 of beam steel sheet, beam steel sheet 1, column steel sheet 2 and friction plate 5 constitute friction power consumption structure, provide additional damping for beam column connected node through utilizing the friction plate, and add the remaining displacement that hyperelastic SMA silk can solve after the structure atress, make connected node have high power consumption concurrently and from the reset function.
The connecting wooden member 13 is clamped in the mounting groove of the wooden column 14, the side surface of the connecting wooden member 13 is provided with a mounting hole which is matched with the steel pipe 8, the diameter value of the mounting hole is larger than that of the steel pipe 8, the steel pipe 8 is conveniently clamped in the mounting hole in the connecting wooden member 13, the connecting bolt 7 is conveniently clamped in the steel pipe 8 to connect the beam steel plate 1 and the column steel plate 2, the mounting difficulty of the device is reduced,
the steel pipe 8 is a two-section structure, two sections of steel pipes 8 are respectively positioned inside the connecting wood members 13 at two sides of the column steel plate 2, the length value of each section of steel pipe 8 is the same as the thickness value of the connecting wood member 13, when the beam-column type wood member is acted by external force, when the external force effect exceeds the maximum static friction force between the beam steel plate and the friction plate, the wood column and the wood beam can rotate relatively, at the moment, the steel pipe extrudes the column steel plates at two sides inwards due to the extrusion effect of the connecting nut and the gasket on the steel pipe, so that the steel pipe exerts a certain extrusion effect on the column steel plate and the beam steel plate, and the friction energy dissipation function is more favorably exerted,
the diameter value of the steel pipe 8 is larger than that of the connecting bolt 7, the gasket 11 positioned on one side of the connecting nut 9 is movably sleeved outside the connecting bolt 7, the gasket 11 is tightly contacted with one end of the steel pipe 8, the gasket 11 is tightly contacted with the end part of the steel pipe 8, the pre-pressure generated by screwing the connecting nut 9 is transmitted to the steel pipe 8 and the column steel plate 2 through the gasket 11, the effectiveness of the device is ensured,
in conclusion, when the wood-structure self-resetting friction energy-consumption bolt connecting node is used, when the wood column 14 and the wood beam 15 are subjected to external force, and when the external force effect exceeds the maximum static friction force between the beam steel plate 1 and the friction plate 5, the wood column 14 and the wood beam 15 can rotate relatively, namely the beam steel plate 1 rotates to generate sliding friction to dissipate energy; at the moment, the steel pipe 8 is extruded by the connecting bolt 7 and the gasket 11, so that the steel pipe 8 extrudes the column steel plates 2 at two sides inwards, namely the column steel plates 2 and the beam steel plate 1 positioned in the middle are subjected to the extrusion force to enable the column steel plates 2 and the beam steel plate 1 to rotate relatively, the friction energy dissipation effect is fully exerted, when the wood beam 15 rotates relatively downwards relative to the wood column 14 and correspondingly the beam steel plate 1 rotates downwards, the lug plates 3 above the beam steel plate 1 drive the SMA wires 4 to stretch, and after the external force is removed, if the unloading restoring force of the SMA wires 4 is greater than the maximum static friction force between the friction plates, the SMA wires 4 drive the beam steel plates to restore upwards through the lug plates 3, so that the relative displacement between the column steel plates 2 and the beam steel plates 1 is zero, and the self-restoring force is provided; when the wooden beam 15 rotates upwards relative to the wooden column 14, the beam steel plate 1 rotates upwards, the lug plate 3 below the beam steel plate 1 drives the SMA wire 4 to exert stretching and self-resetting effects, the SMA wire 4 consumes energy in the reciprocating stretching and recovery and relative sliding processes of the friction plate 5 and the beam steel plate 1, and the purposes of energy consumption and self-resetting are achieved.
Claims (1)
1. The utility model provides a timber structure is from restoring to throne friction power consumption bolted connection node, includes beam steel board (1), post steel sheet (2), wooden pillar (14), wooden beam (15), its characterized in that: wooden beam (15) are installed perpendicularly in the right side of post (14), the mounting groove has all been seted up with the junction of wooden beam (15) in wooden beam (14), the inside joint of mounting groove has roof beam steel sheet (1) and post steel sheet (2), the quantity of post steel sheet (2) is two, and two post steel sheet (2) mirror image distribution in the both sides of roof beam steel sheet (1), the equal fixed mounting in upper and lower both sides of roof beam steel sheet (1) and post steel sheet (2) has otic placode (3), and the top fixed mounting of otic placode (3) has SMA silk (4), spacing groove (12) have been seted up to the side of post steel sheet (2), and the inside of spacing groove (12) is inlayed and is had friction plate (5), arc bolt mounting hole (10) have been seted up to the side of roof beam steel sheet (1), two the side of roof beam steel sheet (1) and post steel sheet (2), joinery component (13), The side surface of the wood column (14) is provided with bolt round holes (6) which are matched with each other, steel pipes (8) positioned at two sides of the beam steel plate (1) are movably sleeved in the bolt round holes (6), connecting bolts (7) are movably sleeved in the steel pipes (8), connecting wood members (13) are movably sleeved outside the steel pipes (8), and one end of each connecting bolt (7) is sleeved with a connecting nut (9) in a threaded manner;
the ear plates (3) are positioned on the right sides of the upper side and the lower side of the beam steel plate (1) and the column steel plate (2), the beam steel plate (1) and the ear plates (3) on the upper side and the lower side of the column steel plate (2) are fixedly connected through four SMA wires (4), the SMA wires (4) are made of shape memory alloy, and the ear plates (3) and the SMA wires (4) form a self-resetting structure;
the number of the bolt round holes (6) on the side surface of the column steel plate (2) is five, and the bolt round holes (6) and the limiting grooves (12) are distributed in a staggered manner;
one side, embedded into a wood column (14), of the side surface of the beam steel plate (1) is provided with a bolt round hole (6) and four arc-shaped bolt mounting holes (10), one side, embedded into a wood beam (15), of the beam steel plate (1) is provided with four bolt round holes (6), and the beam steel plate (1), the column steel plate (2) and the friction plate (5) form a friction energy dissipation structure;
the connecting wood member (13) is clamped in the mounting groove of the wood column (14), the side surface of the connecting wood member (13) is provided with a mounting hole which is matched with the steel pipe (8), and the diameter value of the mounting hole is larger than that of the steel pipe (8);
the steel pipe (8) is of a two-section structure, the two sections of steel pipe (8) are respectively positioned inside the connecting wood members (13) on the two sides of the column steel plate (2), and the length value of each section of steel pipe (8) is the same as the thickness value of the connecting wood members (13);
the diameter value of steel pipe (8) is greater than the diameter value of connecting bolt (7), the outside movable sleeve of connecting bolt (7) is equipped with gasket (11) that are located coupling nut (9) one side, and gasket (11) and steel pipe (8) one end in close contact with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110109886.3A CN112575894B (en) | 2021-01-27 | 2021-01-27 | Self-resetting friction energy-consumption bolt connection node of wood structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110109886.3A CN112575894B (en) | 2021-01-27 | 2021-01-27 | Self-resetting friction energy-consumption bolt connection node of wood structure |
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| Publication Number | Publication Date |
|---|---|
| CN112575894A CN112575894A (en) | 2021-03-30 |
| CN112575894B true CN112575894B (en) | 2022-05-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110109886.3A Active CN112575894B (en) | 2021-01-27 | 2021-01-27 | Self-resetting friction energy-consumption bolt connection node of wood structure |
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| CN (1) | CN112575894B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN115110658B (en) * | 2022-08-09 | 2023-08-25 | 郑州大学 | Reset energy consumption assembly of wood shear wall |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102251588A (en) * | 2011-05-18 | 2011-11-23 | 何敏娟 | Bolted steel filling plate-sleeve connection node for beam-post wood structure |
| CN109281403A (en) * | 2018-11-15 | 2019-01-29 | 同济大学 | Timber structure assembled fashioned iron bolt joint |
| CN111749336A (en) * | 2020-07-01 | 2020-10-09 | 西安建筑科技大学 | Beam column friction energy consumption node for laminated wood structure |
-
2021
- 2021-01-27 CN CN202110109886.3A patent/CN112575894B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102251588A (en) * | 2011-05-18 | 2011-11-23 | 何敏娟 | Bolted steel filling plate-sleeve connection node for beam-post wood structure |
| CN109281403A (en) * | 2018-11-15 | 2019-01-29 | 同济大学 | Timber structure assembled fashioned iron bolt joint |
| CN111749336A (en) * | 2020-07-01 | 2020-10-09 | 西安建筑科技大学 | Beam column friction energy consumption node for laminated wood structure |
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| Publication number | Publication date |
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| CN112575894A (en) | 2021-03-30 |
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