CN109403489A - A kind of fabricated shear wall vertical abutment joint friction energy-dissipating attachment device - Google Patents
A kind of fabricated shear wall vertical abutment joint friction energy-dissipating attachment device Download PDFInfo
- Publication number
- CN109403489A CN109403489A CN201811356483.3A CN201811356483A CN109403489A CN 109403489 A CN109403489 A CN 109403489A CN 201811356483 A CN201811356483 A CN 201811356483A CN 109403489 A CN109403489 A CN 109403489A
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- China
- Prior art keywords
- shear wall
- slotted hole
- abutment joint
- vertical abutment
- precast shear
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
Abstract
The invention discloses a kind of fabricated shear wall vertical abutment joint friction energy-dissipating attachment devices, are organized by precast shear wall (1), slotted hole fashioned iron (2), friction steel plate (3), rubber sheet gasket (4), nut (5), screw rod (6), gasket (7), viscoelastic material (8) integral.Slotted hole is arranged by pre-buried slotted hole fashioned iron (2) at variable cross-section in precast shear wall (1), intert high-strength bolt between slotted hole, precast shear wall (1) through-thickness seam crossing arranges rubber sheet gasket (4), pastes viscoelastic material (8) along short transverse seam crossing.Under geological process, shear wall is from becoming based on bending deformation based on shear-deformable, frictional force between precast shear wall (1), viscoelastic material (8) and friction steel plate (3) and gasket (7) participates in Structural Energy Dissipation jointly, its ductility has obtained improving by a relatively large margin, and be convenient for industrialized production and repaired after shaking, with good economic efficiency and social benefit.
Description
Technical field
The invention belongs to technical field of structural engineering, and in particular to a kind of fabricated shear wall vertical abutment joint friction energy-dissipating company
Connection device.
Background technique
China's prefabricated concrete structure experienced the fast-developing period after founding of New, when discretion later develops
Phase is just welcoming new opportunity to develop up to 21 century.Compared with cast-in-place concrete structure, the advantages of precast construction, is: factory
Prefabricated, assembled in situ realizes architectural industrialization, while can effectively improve building energy conservation efficiency and structural behaviour, energy saving
With resource, adverse effect, the limitation of reduction construction site of building waste and environment etc. are reduced.
The interaction between vertical abutment joint transmitting precast shear wall wall piece in assembly of shear wall structure, and have
Opposite vertical and transversely deforming can occur in wall load-bearing for certain deformability, to the distribution of the internal force of structure, deformation and
Energy dissipation capacity has larger impact.Since China is mostly in antidetonation area, the anti-seismic performance of assembly of shear wall structure is it
An important factor for can smoothly promoting and applying.
The common connection type of fabricated shear wall vertical abutment joint is post-cast strip connection at present, and this connection type can reach
Anti-seismic performance similar with cast-in-place shear wall structure, cast in place and precast construction are just promoted in such a mode.However this " Qiang Lian
Connecing " mode is bound by the design method of " equivalent cast-in-place ", rarely has the breakthrough in structural system, and material utilization amount is more than cast-in-place structural,
Economy is equivalent or difficult better than cast-in-place structural, and build guality allows of no optimist.Therefore, meeting building normal use
Under the aseismic fortification objects of demand of anti-crack and " no damage in small earthquake ", by using the form of " dry type connection ", set in vertical abutment joint
Damper or Energy dissipating material are set, the anti-seismic performance that structure is preferably in the mutually coordinated middle acquisition of bearing capacity and ductility can be made.
Summary of the invention
To solve the above problems, the invention discloses a kind of fabricated shear wall vertical abutment joint friction energy-dissipating attachment device,
Precast shear wall energy consumption is participated in jointly by the frictional force between the viscoelastic material and bolt and steel plate in perps, convenient for industry
Metaplasia is produced and is repaired after shaking, and the energy dissipation capacity of fabricated shear wall is improved, to keep structure mutually coordinated in bearing capacity and ductility
It is middle to obtain anti-seismic performance preferably.
In order to achieve the above objectives, technical scheme is as follows:
A kind of fabricated shear wall vertical abutment joint friction energy-dissipating attachment device, including precast shear wall, slotted hole fashioned iron, friction steel
Plate, rubber sheet gasket, nut, screw rod, gasket, viscoelastic material, the precast shear wall reduce section in vertical abutment joint junction
Size forms variable cross-section, is equipped with slotted hole at variable cross-section, the slotted hole fashioned iron is embedded in advance in the slotted hole；The friction
Identical slotted hole is opened on steel plate, friction steel plate is embedded in advance at the variable cross-section of precast shear wall；The rubber sheet gasket is arranged pre-
Shear wall processed is along wall section thickness direction；The screw rod is arranged in slotted hole fashioned iron, and nut and gasket are set to screw rod both ends,
Two panels precast shear wall is fastenedly connected in thickness direction；The viscoelastic material is pasted on precast shear wall along wall section
At vertical abutment joint in short transverse, two panels precast shear wall is connected.
Further, at the variable cross-section of precast shear wall, thickness is less than former section thicknessh1/2, to facilitate prefabricated
Shear wall places rubber sheet gasket.
Further, within the scope of vertical abutment joint in wall short transverse pre-buried slotted hole fashioned iron and friction steel plate, rub
The slotted hole of size identical as slotted hole fashioned iron need to be reserved by wiping steel plate, to guarantee construction precision, can in advance by slotted hole fashioned iron and
Friction steel plate is welded, and is welded on shear force wall reinforcing steel bar cage again after position determines.
Further, the screw rod of respective numbers is arranged within the scope of slotted hole, screw rod both ends pass through nut, gasket, friction
Rubber sheet gasket between steel plate and precast shear wall fixes two panels precast shear wall, and the pretightning force of bolt should ensure that prefabricated shearing
Wall can slide in bolt in deformation process between friction steel plate, and pretightning force size can be according to two panels shear wall stress
It can be carried out determination.
Further, viscoelastic material is pasted at the vertical abutment joint on precast shear wall depth of section direction, it will be pre-
Shear wall variable cross-section and total cross-section processed are adhesively fixed, and the thickness for pasting viscoelastic material should be calculated according to structural behaviour demand, together
When should ensure that distance between the two convenient for construction.
Further, precast shear wall opens up slotted hole number, oval pore size and slotted hole inner bolt number and can lead to
The control of structure performance-based seismic design method is crossed, protects precast shear wall to the maximum extent.
The beneficial effects of the present invention are:
The present invention provides a kind of fabricated shear wall vertical abutment joint friction energy-dissipating attachment devices, have the advantage that prefabricated cut
Power wall is connected when vertical abutment joint is connected using novel " viscoelastic material+bolt ", and traditional post-cast strip connection is got rid of
Constraint, reduces material utilization amount, to make assembly of shear wall structure system be changed from assembled integral to full assembled, energetically
Improve the industrialized level of fabricated shear wall.
Precast shear wall vertical abutment joint is connected by " viscoelastic material+bolt ", and shear wall is from becoming based on shear-deformable
Based on bending deformation, ductility has obtained improving by a relatively large margin, takes into account it again while guaranteeing shear wall structure globality
Bearing capacity and energy dissipation capacity.Frictional force and precast shear wall under geological process, between viscoelastic material and bolt and steel plate
Common to participate in Structural Energy Dissipation, viscoplasticity Energy dissipating material is a kind of high molecular polymer, existing elastic solid (Hookean body) property, and shows to glue
Property fluid behaviour, can not only store energy but also can be with dissipation energy；In addition, experimental study is it has been shown that frictional force between steel plate
With preferable energy dissipation capacity.After viscoelastic material and bolt fail in geological process, if main structure only local failure
When, after replacing viscoelastic material and bolt, structure can still have preferable globality and energy dissipation capacity.
Compared with assembly of integral shearing wall structure, present invention connection is simple, materials are convenient, gets rid of situ wet operation,
The adverse effect for reducing building waste and environment, can take into account again economical and structural behaviour under the premise of guaranteeing construction quality,
And be convenient for industrialized production and repaired after shaking, with good economic efficiency and social benefit.
Detailed description of the invention
Fig. 1 is a kind of elevation of the embodiment 1 of fabricated shear wall vertical abutment joint friction energy-dissipating attachment device of the present invention.
Fig. 2 is the A-A sectional view of the embodiment of the present invention 1.
Fig. 3 is in Fig. 2 of the present inventionThe detail of construction.
Specific embodiment
With reference to the accompanying drawings and detailed description, the present invention is furture elucidated, it should be understood that following specific embodiments are only
For illustrating the present invention rather than limiting the scope of the invention.It should be noted that word " preceding " used in the following description,
" rear ", "left", "right", "up" and "down" refer to that the direction in attached drawing, word "inner" and "outside" refer respectively to direction or remote
Direction from geometric center of specific component.
The present invention is as shown in the picture, including precast shear wall 1, slotted hole fashioned iron 2, friction steel plate 3, rubber sheet gasket 4, nut
5, screw rod 6, gasket 7, viscoelastic material 8.
The depth-width ratio of precast shear wall 1 of the invention is no less than 3, reduces sectional dimension in vertical abutment joint junction, becomes
Section wall thickness is less than than the 1/2 of former section wall thickness, on the one hand accurate assembled convenient for precast shear wall 1, on the other hand convenient for pre-
Rubber sheet gasket 4 is arranged between shear wall 1 processed.
Its cross section slotted hole fashioned iron 2(of the invention is similar to sport runway, kidney slot) in production, it can be according to oval
The steel plate of the preparatory well cutting corresponding length of the perimeter in hole, then formed through bent jointing, slotted hole and 1 variable cross-section wall of precast shear wall
Limb uniform thickness.
Friction steel plate 3 of the invention opens up size identical as slotted hole fashioned iron 2 in the rectangular steel plates of preparatory well cutting
Slotted hole, and welding positioning is carried out with slotted hole fashioned iron 2, outer edge distance basis of the slotted hole outer edge away from friction steel plate is rubbed
7 size of gasket wiped between steel plate 3 and nut 5 determines.
Precast shear wall 1 of the invention can determine oval pass before casting concrete on framework of steel reinforcement in advance
The position of steel 2 and friction steel plate 3 can be used and be fixed with the mode of framework of steel reinforcement welding for the accuracy for guaranteeing installation.
Rubber sheet gasket 4 of the invention, can be in the rectangular rubber on piece for being slightly less than 3 width of friction steel plate with width in production
The slotted hole of size identical as slotted hole fashioned iron 2 is cut, rubber sheet gasket 4 and precast shear wall 1 are contour.
Within the scope of slotted hole of the invention arrange respective numbers screw rod 6, screw rod both ends by rubber sheet gasket 4, nut 5,
Gasket 7 and friction steel plate 3 fix two panels precast shear wall, and the pretightning force of bolt should ensure that precast shear wall 1 in deformation process
Middle friction steel plate 3 can slide between gasket 7, and pretightning force size can be according to produced by 1 relative deformation of precast shear wall
Shear resistance capacity determine.
Stickup viscoelastic material 8 of the invention should carry out plug after 1 bolt of precast shear wall is fixed and fill out, the prefabricated shearing of two panels
Preset space of the wall 1 on wall limb depth of section direction should the energy consumption value according to required for test specimen determine, and should be viscous convenient for pasting
Elastic material 8.
Precast shear wall 1 of the invention, which opens up slotted hole number, oval pore size and slotted hole inner bolt number, to be led to
The control of structure performance-based seismic design method is crossed, protects precast shear wall 1 to the maximum extent.
When encountering earthquake, shear wall from becoming based on bending deformation based on shear-deformable, precast shear wall (1),
Frictional force between viscoelastic material (8) and friction steel plate (3) and gasket (7) participates in Structural Energy Dissipation jointly, and ductility obtains
It improves by a relatively large margin, and is convenient for industrialized production and is repaired after shaking, with good economic efficiency and social benefit.
The technical means disclosed in the embodiments of the present invention is not limited only to technological means disclosed in above embodiment, further includes
Technical solution consisting of any combination of the above technical features.
Claims (9)
1. a kind of fabricated shear wall vertical abutment joint friction energy-dissipating attachment device, it is characterised in that: including precast shear wall (1),
Slotted hole fashioned iron (2), friction steel plate (3), rubber sheet gasket (4), nut (5), screw rod (6), gasket (7), viscoelastic material (8)；
The precast shear wall (1) is formed at variable cross-section in vertical abutment joint junction reduction sectional dimension, is equipped at variable cross-section oval
Hole, the slotted hole fashioned iron (2) are embedded in advance in the slotted hole；Identical slotted hole is opened on the friction steel plate (3), rub steel
Plate (3) is embedded in advance at the variable cross-section of precast shear wall (1)；The rubber sheet gasket (4) is arranged in precast shear wall (1) along wall section
Thickness direction；In slotted hole fashioned iron (2), nut (5) and gasket (7) are set to screw rod (6) both ends for screw rod (6) setting,
Two panels precast shear wall (1) is locked and fixed in thickness direction；The viscoelastic material (8) is pasted on precast shear wall
(1) along the vertical abutment joint on wall depth of section direction, two panels precast shear wall (1) is connected.
2. a kind of fabricated shear wall vertical abutment joint friction energy-dissipating attachment device according to claim 1, it is characterised in that:
Precast shear wall (1) depth-width ratio is not less than 3.
3. a kind of fabricated shear wall vertical abutment joint friction energy-dissipating attachment device according to claim 1, it is characterised in that:
Precast shear wall (1) the variable cross-section size is less than the 1/2 of former sectional dimension.
4. a kind of fabricated shear wall vertical abutment joint friction energy-dissipating attachment device according to claim 1, it is characterised in that:
The geometric dimension of the two panels precast shear wall (1) is identical.
5. a kind of fabricated shear wall vertical abutment joint friction energy-dissipating attachment device according to claim 1, it is characterised in that:
The friction steel plate (3) and rubber sheet gasket (4) slotted hole geometric dimension are identical as the section of pre-buried slotted hole fashioned iron (2).
6. a kind of fabricated shear wall vertical abutment joint friction energy-dissipating attachment device according to claim 1, it is characterised in that:
The nut (5) and screw rod (6) at least arrange 2 groups within the scope of the slotted hole that precast shear wall (1) is arranged.
7. a kind of fabricated shear wall vertical abutment joint friction energy-dissipating attachment device according to claim 1, it is characterised in that:
Friction steel plate (3) and gasket (7) select the good metal material of frictional behavior.
8. a kind of fabricated shear wall vertical abutment joint friction energy-dissipating attachment device according to claim 7, it is characterised in that:
The material selection of the friction steel plate (3) and gasket (7) bronze or powder metallurgy friction plate.
9. a kind of fabricated shear wall vertical abutment joint friction energy-dissipating attachment device according to claim 1, it is characterised in that:
The viscoelastic material (8) is pasted on precast shear wall (1) along the seam crossing in wall depth of section direction, pastes thickness according to prefabricated
Energy consumption value required for shear wall (1) is determined.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811356483.3A CN109403489A (en) | 2018-11-15 | 2018-11-15 | A kind of fabricated shear wall vertical abutment joint friction energy-dissipating attachment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811356483.3A CN109403489A (en) | 2018-11-15 | 2018-11-15 | A kind of fabricated shear wall vertical abutment joint friction energy-dissipating attachment device |
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| Publication Number | Publication Date |
|---|---|
| CN109403489A true CN109403489A (en) | 2019-03-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811356483.3A Pending CN109403489A (en) | 2018-11-15 | 2018-11-15 | A kind of fabricated shear wall vertical abutment joint friction energy-dissipating attachment device |
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| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110565838A (en) * | 2019-08-07 | 2019-12-13 | 长安大学 | semi-rigid horizontal reset connecting structure of prefabricated shear wall |
| CN112854539A (en) * | 2021-01-15 | 2021-05-28 | 上海应用技术大学 | Vertical seam friction power consumption connecting device of assembled shear force wall |
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| US4094111A (en) * | 1975-03-17 | 1978-06-13 | Creegan Patrick J | Structural steel building frame having resilient connectors |
| CN201713961U (en) * | 2010-04-02 | 2011-01-19 | 陈云 | Novel friction damping wall |
| CN203769114U (en) * | 2014-02-13 | 2014-08-13 | 智性科技南通有限公司 | Replaceable energy-dissipating steel plate combination slit shear wall |
| CN205171747U (en) * | 2015-11-18 | 2016-04-20 | 福建工程学院 | Prefabricated assembled shear force wall perps connection structure |
| JP2016079668A (en) * | 2014-10-16 | 2016-05-16 | 住友ゴム工業株式会社 | Damping device |
| CN106639030A (en) * | 2017-02-06 | 2017-05-10 | 同济大学 | Cross laminated timber (CLT) double-board seismic wall with swinging energy-dissipation function |
| CN107190880A (en) * | 2017-06-26 | 2017-09-22 | 东南大学 | A kind of fabricated shear wall vertical abutment joint Alveolus type power consumption attachment means |
| CN108678189A (en) * | 2018-07-16 | 2018-10-19 | 西安建筑科技大学 | Viscoplasticity energy consumption connecting key and assembled composite wall structure and construction method based on it |
-
2018
- 2018-11-15 CN CN201811356483.3A patent/CN109403489A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4094111A (en) * | 1975-03-17 | 1978-06-13 | Creegan Patrick J | Structural steel building frame having resilient connectors |
| CN201713961U (en) * | 2010-04-02 | 2011-01-19 | 陈云 | Novel friction damping wall |
| CN203769114U (en) * | 2014-02-13 | 2014-08-13 | 智性科技南通有限公司 | Replaceable energy-dissipating steel plate combination slit shear wall |
| JP2016079668A (en) * | 2014-10-16 | 2016-05-16 | 住友ゴム工業株式会社 | Damping device |
| CN205171747U (en) * | 2015-11-18 | 2016-04-20 | 福建工程学院 | Prefabricated assembled shear force wall perps connection structure |
| CN106639030A (en) * | 2017-02-06 | 2017-05-10 | 同济大学 | Cross laminated timber (CLT) double-board seismic wall with swinging energy-dissipation function |
| CN107190880A (en) * | 2017-06-26 | 2017-09-22 | 东南大学 | A kind of fabricated shear wall vertical abutment joint Alveolus type power consumption attachment means |
| CN108678189A (en) * | 2018-07-16 | 2018-10-19 | 西安建筑科技大学 | Viscoplasticity energy consumption connecting key and assembled composite wall structure and construction method based on it |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110565838A (en) * | 2019-08-07 | 2019-12-13 | 长安大学 | semi-rigid horizontal reset connecting structure of prefabricated shear wall |
| CN110565838B (en) * | 2019-08-07 | 2020-06-26 | 长安大学 | Semi-rigid horizontal reset connecting structure of prefabricated shear wall |
| CN112854539A (en) * | 2021-01-15 | 2021-05-28 | 上海应用技术大学 | Vertical seam friction power consumption connecting device of assembled shear force wall |
| CN112854539B (en) * | 2021-01-15 | 2022-08-09 | 上海应用技术大学 | Vertical seam friction power consumption connecting device of assembled shear force wall |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190301 |
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| RJ01 | Rejection of invention patent application after publication |