CN109914601A - A kind of replaceable energy consumption timber structure beam-column joint - Google Patents
A kind of replaceable energy consumption timber structure beam-column joint Download PDFInfo
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- CN109914601A CN109914601A CN201910219721.4A CN201910219721A CN109914601A CN 109914601 A CN109914601 A CN 109914601A CN 201910219721 A CN201910219721 A CN 201910219721A CN 109914601 A CN109914601 A CN 109914601A
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- 238000005265 energy consumption Methods 0.000 title claims abstract description 17
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 106
- 239000010959 steel Substances 0.000 claims abstract description 106
- 239000002023 wood Substances 0.000 claims description 7
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 6
- 230000015556 catabolic process Effects 0.000 claims description 3
- 238000006731 degradation reaction Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000003351 stiffener Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims 1
- 238000012423 maintenance Methods 0.000 abstract description 5
- 239000000853 adhesive Substances 0.000 abstract description 3
- 230000001070 adhesive effect Effects 0.000 abstract description 3
- 238000011084 recovery Methods 0.000 abstract description 2
- 238000005452 bending Methods 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 235000010627 Phaseolus vulgaris Nutrition 0.000 description 2
- 244000046052 Phaseolus vulgaris Species 0.000 description 2
- 238000003776 cleavage reaction Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000009510 drug design Methods 0.000 description 2
- 229910000734 martensite Inorganic materials 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 230000007017 scission Effects 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 241000196324 Embryophyta Species 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
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- 230000021715 photosynthesis, light harvesting Effects 0.000 description 1
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Abstract
A kind of replaceable energy consumption timber structure beam-column joint, comprising: beam column connection part is set to pin medial surface, between pin and the connection end of wooden frame；Steel plate frame, setting are attached at upper and lower, the forward and backward four sides of wooden frame end face at wooden frame end；Several bar plantings are planted respectively by adhesive in the duct of wooden frame end face or conduit；Several marmem screw rods, between bar planting and beam column connection part.The present invention by adjusting high-strength bolt pretightning force, and the superelastic properties using marmem screw rod, by adjusting its prestrain, quantity and size, improve the initial stiffness and automatic recovery ability of node, guarantee that prior to beam column component yield failure occurs for marmem screw rod, substantially reduces timber structure maintenance and rehabilitation cost.
Description
Technical field
The invention belongs to technical field of civil engineering, in particular to a kind of replaceable energy consumption timber structure beam-column joint.
Background technique
Currently, in timber structure beam column construction system, most of joint forms being connected by screw bolts.Common form has wood
Component is bolted, and this joint form mainly utilizes the partial pressing of the bending resistance and timber of bolt at bolt to provide carrying
Power.This joint form is primarily present Railway Project:
(1) due to construction deviation, there are gap between wooden frame upper bolt hole wall and bolt, after this gap leads to wooden frame stress
Sliding, causes node initial stiffness lower.
(2) since timber tensile strength perpendicular to grain is low, when leading to screw hole cotter way pressure-bearing, beam-ends band splitting etc. is crisp frequent occurrence
Property destroy, timber anti-bending strength cannot be given full play to, so cause timber structure post and lintel system total bearing capacity decline.
(3) bearing capacity is provided by forms such as the compression surrenders of timber at bolt surrender and bolt hole, there are larger after shake
Residual deformation, anti-seismic performance decline.
(4) node connected by beam column connection part, it is mostly hidden inside beam, there are problems that being difficult to maintenance aspect.
Therefore, in view of the above-mentioned problems, be badly in need of a kind of initial stiffness is larger, bending resistance is strong, after shake residual deformation it is small and
It is easy to the beam column novel connection node form overhauled.
Summary of the invention
In order to overcome the disadvantages of the above prior art, the purpose of the present invention is to provide a kind of replaceable energy consumption timber structures
Beam-column joint, so that timber structure bean column node has residual deformation after larger initial stiffness, stronger bending resistance, lesser shake
And it is easy to overhaul.
To achieve the goals above, the technical solution adopted by the present invention is that:
A kind of replaceable energy consumption timber structure beam-column joint characterized by comprising
Beam column connection part 5 is set to 1 medial surface of pin, between pin 1 and the connection end of wooden frame 2, beam-to-column joint
Part 5 includes an I-steel, and several vertical steel plates perpendicular to web are welded between the upper lower wing plate of I-steel；
Steel plate frame 10 is placed on 2 beam-ends of wooden frame；
Bar planting 9, there is several, and level is preset at 2 beam-ends of wooden frame and stretches out a part for connection；
Marmem screw rod 6, there is several, is connected between the vertical steel plate of beam column connection part 5 and bar planting 9.
One end of the upper lower wing plate of the I-steel extends to 2 end direction of wooden frame, and one piece is welded between the other end and is erected
To steel plate, the lower surface of upper flange extension is bonded with the upper surface of steel plate frame 10, the upper surface of lower wing plate extension and steel plate
The lower surface of frame 10 is bonded, and connects upper flange extension, the upper surface of steel plate frame 10, wooden frame 2, steel plate frame by high-strength bolt 3
10 lower surface and lower wing plate extension, and be provided with for high-strength bolt 3 in upper lower wing plate extension to separate or lean on
The hole that the direction of nearly pin 1 moves horizontally.
At least three pieces of the vertical steel plate, be recently vertical steel plate one with 2 end face of wooden frame, and secondary is closely vertical steel plate
Two, it is farthest vertical steel plate three, wherein bar planting 9 is pierced by from vertical steel plate one, is connected with one end of marmem screw rod 6
It connects, the other end of marmem screw rod 6 is pierced by from vertical steel plate two, and fixed with nut 27, vertical steel plate three flushes in work
The end of lower wing plate on word steel, and it is attached at 1 medial surface of pin, it is provided in 1 lateral surface of pin corresponding with vertical steel plate three
Billet 13, bolt 1 pass through vertical steel plate three, pin 1 and billet 13 and realize connection, and fixed with nut 3 12.
The marmem screw rod 6 is connect by converting nut 8 with bar planting 9, for the requirement for meeting safety of structure,
It can be replaced the conversion nut 8 for meeting different-diameter marmem screw rod.
The consistent ribbed stiffener of and length direction vertical with lower wing plate is provided with below the lower wing plate of the I-steel.
It is concordant on the outside of the I-steel edge of a wing on the outside of each vertical steel plate, wherein the vertical steel plate being bonded with 2 end face of wooden frame
On be available for bar planting 9 up and down motion hole.
The steel plate frame 10 is by the penetrating frame structure of two lateral steel plates and two vertical steel plates, two lateral steel plates
It is attached at the upper and lower surfaces of wooden frame 2 respectively, flushes in the upper and lower surfaces of wooden frame 2, two vertical steel plates are attached at wooden frame 2 respectively
Forward and backward surface, flush in the forward and backward surface of wooden frame 2.
The material of the pin 1 and wooden frame 2 is log, sawn timber, laminated wood or laminated veneer lumber；The bar planting 9 is screw thread
Steel, screw rod, round steel, steel pipe or FRP.
The marmem screw rod 6 applies initial prestrain, to guarantee marmem screw rod 6 after node unloading
With restoring force without loosening completely, the initial prestrain meets the requirement of 6 mechanical stability of marmem screw rod,
Prevent prestrain from causing 6 mechanical property degradation of screw rod.
The marmem screw rod 6 has outstanding superelastic properties, has small, the martensite that shows as residual deformation
Transformation stress is high, and anti-phase varying stress is higher, guarantees that node has biggish restoring force in uninstall process.
Compared with prior art, the beneficial effects of the present invention are:
1, the present invention utilizes the superelastic properties of marmem screw rod, by adjusting the pre- of marmem screw rod
Strain, quantity and size, to improve the initial stiffness and automatic recovery ability of node.
2, the present invention utilizes high-strength bolt, by adjusting the pretightning force, quantity and size of high-strength bolt, to improve node
Initial stiffness and energy dissipation capacity.
2, wooden frame band cleavage fracture can avoid by the rational design to beam column connection part in the present invention.
3, in the present invention, pass through rational design, it is ensured that marmem screw rod occurs prior to bar planting and beam column component
Yield failure.
4, the present invention in marmem screw rod be easy maintenance and it is replaceable, substantially reduce timber structure maintenance and repair at
This, embodies modern architecture sustainable development idea.
Detailed description of the invention
Fig. 1 is replaceable energy consumption timber structure beam-column joint schematic diagram.
Fig. 2 is the main view of Fig. 1.
Fig. 3 is the top view of Fig. 1.
Fig. 4 is the bottom view of Fig. 1.
Fig. 5 is beam column connection part schematic diagram.
Fig. 6 is steel plate frame schematic diagram.
Figure label: 1 is pin, and 2 be wooden frame, and 3 be high-strength bolt, and 4 be nut one, and 5 be beam column connection part, and 6 be shape
Memorial alloy screw rod, 7 be nut two, and 8 be conversion nut, and 9 be bar planting, and 10 be steel plate frame, and 11 be bolt one, and 12 be nut three,
13 be billet.
Specific embodiment
The embodiment that the present invention will be described in detail with reference to the accompanying drawings and examples.
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, a kind of replaceable energy consumption timber structure beam-column joint mainly includes that beam column connects
The material of fitting 5, steel plate frame 10, bar planting 9 and marmem screw rod 6, wooden frame 2 and pin 1 is log, sawn timber, gluing
Wood or laminated veneer lumber or Other Engineering timber.Wherein:
Beam column connection part 5 is located between pin 1 and the connection end of wooden frame 2, with reference to Fig. 5 comprising an I-steel, packet
An I-steel is included, several vertical steel plates perpendicular to web are welded between the upper lower wing plate of I-steel.
In order to which further convenient for connection, I-steel endface is closed by the vertical steel plate perpendicular to web, and close to wood
One end of 2 end of beam extends to 2 end direction of wooden frame, and the vertical steel plate of this two of both ends attaches and 1 medial surface of pin, wood respectively
There is the hole moved up and down for bar planting 9 with the steel plate that 2 end face of wooden frame attaches in 2 end face of beam.
The lower surface of upper flange extension is bonded with the upper surface of steel plate frame 10, the upper surface of lower wing plate extension and steel plate
The lower surface of frame 10 is bonded, and connects upper flange extension, the upper surface of steel plate frame 10, wooden frame 2, steel plate frame by high-strength bolt 3
10 lower surface and lower wing plate extension, and be provided with for high-strength bolt 3 in upper lower wing plate extension to separate or lean on
The hole that the direction of nearly pin 1 moves horizontally.
In order to further increase intensity, and length direction one vertical with lower wing plate is provided with below the lower wing plate of I-steel
The twice ribbed stiffener of cause.
In one embodiment of the invention, vertical steel plate has three pieces, is recently vertical steel plate one with 2 end face of wooden frame,
Secondary is closely vertical steel plate two, is farthest vertical steel plate three, wherein bar planting 9 is pierced by from vertical steel plate one, is closed with shape memory
One end of gold shell bar 6 connects, and the other end of marmem screw rod 6 is pierced by from vertical steel plate two, fixed with nut 27, erects
Flush in the end of lower wing plate on I-steel to steel plate three, and be attached at 1 medial surface of pin, 1 lateral surface of pin be provided with
The corresponding billet 13 of vertical steel plate three, bolt 1 pass through vertical steel plate three, pin 1 and the realization of billet 13 and connect, and with
Nut 3 12 is fixed.
With reference to Fig. 6, steel plate frame 10 is to be placed on wooden frame by the penetrating frame structure of two lateral steel plates and two vertical steel plates
2 beam-ends, and lateral steel plate and vertical steel plate are vertical two-by-two, two lateral steel plates are attached at the upper and lower surfaces of wooden frame 2 respectively, put down
Together in the upper and lower surfaces of wooden frame 2, it is connect by high-strength bolt 3 with wooden frame 2.
Bar planting 9, diameter 16mm have 4, plant by the way that adhesive is horizontal respectively in 2 end face preboring of wooden frame or reserved hole
In road or in the conduit that opens up, and a part is stretched out for connection, connect with marmem screw rod 6 by converting nut 8,
For the requirement for meeting safety of structure, the conversion nut 8 for meeting different-diameter marmem screw rod can be replaced, wherein planting
Muscle 9 can be screw-thread steel, screw rod, round steel, steel pipe or FRP.
Marmem screw rod 6, diameter 16mm have 4, are connected to beam by nut 27 and conversion nut 8 respectively
Between the vertical steel plate and bar planting 9 of column connector 5；Marmem screw rod 6 applies initial prestrain, to guarantee that node unloads
Marmem screw rod 6 has restoring force without loosening completely afterwards；Meanwhile the initial prestrain should meet shape memory conjunction
The requirement of 6 mechanical stability of gold shell bar prevents prestrain from causing 6 mechanical property degradation of screw rod.Marmem screw rod 6 has
Outstanding superelastic properties, small with residual deformation is shown as, martensite transformation stress is high, and anti-phase varying stress is higher.Guarantee section
Point has biggish restoring force in uninstall process.
In the present invention, marmem screw rod 6, bar planting 9 and nut are not fixed as above-mentioned quantity, but can regard
Depending on design quantity on beam-column connection.
When implementation, bar planting 9 is previously inserted in reserving hole or conduit, it is cementing by adhesive, realize wooden frame 2 and bar planting
9 connection, secondly steel plate frame 10 is placed at 2 beam-ends of wooden frame, and then is realized marmem 6 by conversion nut 8 and planted
The connection of muscle 9, and prestrain is applied by nut 27, realize the connection of marmem and beam column connection part 5, it is then high
Strength bolt 3 sequentially passes through the reserved hole of beam column connection part 5, steel plate frame 10 and wooden frame 2, and is applied by nut 1 and pre-tightened
Power realizes the high strong ties of wooden frame 2 and beam column connection part 5, finally realizes beam column connection part 5 and pin 1 using bolt 1 and connects
It connects.
The principle of the present invention is:
The present invention, under the load situation that load code applies, the relative storey displacement limit value according to as defined in earthquake resistant design code,
Using the superelastic properties of marmem screw rod, by adjusting the prestrain of marmem screw rod, quantity and ruler
It is very little, so that node is reached higher initial stiffness and bending resistance, meets the requirement of earthquake resistant code.In earthquake, shape memory is closed
The a large amount of seismic energy of self-resetting capability dissipation that gold shell bar provides, reduces earthquake to the extent of the destruction of building structure.It, can after shake
By repair process marmem screw rod, or even replacement marmem screw rod, building is made to reach code requirement.?
Under the load situation that load code applies, the relative storey displacement limit value according to as defined in earthquake resistant design code, by adjusting high-strength bolt
Pretightning force, quantity and size, so that node is reached higher initial stiffness, meet the requirement of earthquake resistant code.By rationally setting
Beam column connection part is counted, so that it is constrained wooden frame end band direction, effectively avoids wooden frame end band cleavage fracture, be conducive to play
The intensity of timber, while making node shear resistance with higher.The present invention is initial compared with traditional timber structure bean column node
Rigidity is big, bending resistance is strong, easily maintenance, marmem screw rod is replaceable and has Self-resetting performance (residual deformation after shake
It is small).
Claims (9)
1. a kind of replaceable energy consumption timber structure beam-column joint characterized by comprising
Beam column connection part (5) is set to pin (1) medial surface, between pin (1) and the connection end of wooden frame (2), beam column
Connector (5) includes an I-steel, and several vertical steel plates perpendicular to web are welded between the upper lower wing plate of I-steel；
Steel plate frame (10) is placed on wooden frame (2) beam-ends；
Bar planting (9), there is several, and level is preset at wooden frame (2) beam-ends and stretches out a part for connection；
Marmem screw rod (6), there is several, is connected between the vertical steel plate of beam column connection part (5) and bar planting (9).
2. replaceable energy consumption timber structure beam-column joint according to claim 1, which is characterized in that the I-steel it is upper
One end of lower wing plate extends to wooden frame (2) end direction, is welded with one block of vertical steel plate between the other end, upper flange extension
Lower surface is bonded with the upper surface of steel plate frame (10), and the upper surface of lower wing plate extension is bonded with the lower surface of steel plate frame (10),
The lower surface of upper flange extension, the upper surface of steel plate frame (10), wooden frame (2), steel plate frame (10) is connected by high-strength bolt (3)
And lower wing plate extension, and upper lower wing plate extension be provided with for high-strength bolt (3) to far from or close to pin (1)
The hole that moves horizontally of direction.
3. replaceable energy consumption timber structure beam-column joint according to claim 1 or claim 2, which is characterized in that the vertical steel plate
At least three pieces, be recently vertical steel plate one with wooden frame (2) end face, and it is farthest vertical steel that secondary, which is closely vertical steel plate two,
Plate three, wherein bar planting (9) is pierced by from vertical steel plate one, is connect with one end of marmem screw rod (6), and shape memory closes
The other end of gold shell bar (6) is pierced by from vertical steel plate two, fixed with nut two (7), and vertical steel plate three flushes in I-steel or more
The end of wing plate, and it is attached at pin (1) medial surface, pin (1) lateral surface is provided with steel pad corresponding with vertical steel plate three
Plate (13), bolt one (11) pass through vertical steel plate three, pin (1) and billet (13) and realize connection, and solid with nut three (12)
It is fixed.
4. replaceable energy consumption timber structure beam-column joint according to claim 1, which is characterized in that the shape memory closes
Gold shell bar (6) is connect by converting nut (8) with bar planting (9).
5. replaceable energy consumption timber structure beam-column joint according to claim 1, which is characterized in that under the I-steel
The consistent ribbed stiffener of and length direction vertical with lower wing plate is provided with below wing plate.
6. replaceable energy consumption timber structure beam-column joint according to claim 1, which is characterized in that each vertical steel plate
Outside is concordant on the outside of the I-steel edge of a wing, wherein being available for bar planting (9) up and down on the vertical steel plate being bonded with wooden frame (2) end face
The hole of movement.
7. replaceable energy consumption timber structure beam-column joint according to claim 1, which is characterized in that the steel plate frame (10)
It is by the penetrating frame structure of two lateral steel plates and two vertical steel plates, two lateral steel plates are attached at wooden frame (2) respectively
Upper and lower surfaces flush in the upper and lower surfaces of wooden frame (2), and two vertical steel plates are attached at the forward and backward surface of wooden frame (2) respectively,
Flush in the forward and backward surface of wooden frame (2).
8. replaceable energy consumption timber structure beam-column joint according to claim 1, which is characterized in that the pin (1) and wood
The material of beam (2) is log, sawn timber, laminated wood or laminated veneer lumber；The bar planting (9) is screw-thread steel, screw rod, round steel, steel pipe
Or FRP.
9. replaceable energy consumption timber structure beam-column joint according to claim 1, which is characterized in that the shape memory closes
Gold shell bar (6) applies initial prestrain, to guarantee that marmem screw rod (6) has restoring force without complete after node unloading
Complete to loosen, the initial prestrain meets the requirement of marmem screw rod (6) mechanical stability, prevents prestrain from causing spiral shell
Bar (6) mechanical property degradation.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910219721.4A CN109914601B (en) | 2019-03-22 | 2019-03-22 | Replaceable energy-consumption wood structure beam-column joint |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910219721.4A CN109914601B (en) | 2019-03-22 | 2019-03-22 | Replaceable energy-consumption wood structure beam-column joint |
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| CN109914601A true CN109914601A (en) | 2019-06-21 |
| CN109914601B CN109914601B (en) | 2024-03-12 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN112177160A (en) * | 2020-09-29 | 2021-01-05 | 哈尔滨工业大学 | A anticorrosive heat protection bridge node system for beam column formula timber structure |
| CN112832375A (en) * | 2021-01-28 | 2021-05-25 | 三峡大学 | Shape memory alloy energy dissipation shock absorber |
| CN115897796A (en) * | 2022-11-17 | 2023-04-04 | 江苏城归设计有限公司 | Elastic connection structure of assembled building steel structure |
| US11674299B2 (en) | 2021-09-10 | 2023-06-13 | Zhejiang Shengge Technology Co., Ltd. | Cross beam of canopy |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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| CN112832375A (en) * | 2021-01-28 | 2021-05-25 | 三峡大学 | Shape memory alloy energy dissipation shock absorber |
| US11674299B2 (en) | 2021-09-10 | 2023-06-13 | Zhejiang Shengge Technology Co., Ltd. | Cross beam of canopy |
| CN115897796A (en) * | 2022-11-17 | 2023-04-04 | 江苏城归设计有限公司 | Elastic connection structure of assembled building steel structure |
| CN115897796B (en) * | 2022-11-17 | 2024-06-07 | 江苏城归设计有限公司 | Elastic connection structure of assembled building steel structure |
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| CN109914601B (en) | 2024-03-12 |
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