CN106638950A - Friction energy consumption beam-column joint for prefabricated structure - Google Patents
Friction energy consumption beam-column joint for prefabricated structure Download PDFInfo
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- CN106638950A CN106638950A CN201611046179.XA CN201611046179A CN106638950A CN 106638950 A CN106638950 A CN 106638950A CN 201611046179 A CN201611046179 A CN 201611046179A CN 106638950 A CN106638950 A CN 106638950A
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- China
- Prior art keywords
- drive link
- fluting
- hinged
- embedded steel
- friction energy
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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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Classifications
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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
- E04B1/20—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of concrete, e.g. reinforced concrete, or other stonelike material
-
- 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
-
- 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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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Environmental & Geological Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention discloses a friction energy consumption beam-column joint for a prefabricated structure. The friction energy consumption beam-column joint for the prefabricated structure comprises an additional friction energy consumption device which is located in an area where the beam-column joint is hinged. The additional friction energy consumption device comprises a slotting driving rod I, a slotting driving rod II, a driving rod I, a driving rod II and a pre-buried steel plate I, wherein the pre-buried steel plate I is located at the position where beam-column joint is hinged; and the two sides of the pre-buried steel plate I is hinged to one ends of the slotting driving rod I and the slotting driving rod II correspondingly, the other ends of the slotting driving rod I and the slotting driving rod II is hinged to one end of the driving rod I, the other end of the driving rod I is hinged to a column through two pre-buried steel plates II, and one end of the driving rod II is hinged to a beam through two pre-buried steel plates III. The friction energy consumption beam-column joint has energy consumption ability under the effect of big earthquakes, the additional friction energy consumption device consumes energy through slidable friction and rotary friction, the energy of the earthquakes is dissipated, and structure damage is reduced; when the friction energy consumption beam-column joint is used normally, the additional friction energy consumption device provides rigidity for the joint, internal force delivery is achieved, and the hinged joint can show similar performance with a rigid joint.
Description
Technical field
It is more particularly to a kind of for precast construction the present invention relates to building structure aseismatic and damping control technology field
Friction energy-dissipating type bean column node.
Background technology
Prefabricated assembled concrete structure is existed in recent years due to advantages such as speed of application is fast, component quality is high, environmental protections
Extensive utilization is obtained for both at home and abroad.But under geological process, compared with traditional cast-in-place concrete structure, precast concrete
Component connecting node be its weak link.The ductility of joint of precast construction is poor, and energy dissipation capacity is low, under big shake effect often most
First destroy, and then cause structural collapse.These shortcomings limit precast concrete using and develop in earthquake territory.
The node of precast construction will not only have internal force transmission capacity, should also there is enough Deformation capacity and ductilities.In recent years
For the research of precast construction shows, passive control technology is used for into prefabricated assembled concrete structure, knot can be effectively improved
The energy dissipation capacity of structure, reduces the earthquake response of structure, mitigates infringement of the structure under big shake effect.Passive control technology mainly has
Two class methods：One is to install the energy-dissipating device deformed based on friction, metal yield, viscous and viscoelastic material；Two is to install attached
Plus damper (TMD, TLD etc.).Wherein, friction-type energy-dissipating device is because simple structure, energy consumption effect are good and advantage of low cost,
Use widely.At present, passive control technology has been widely used in traditional cast-in-place concrete structure and steel construction
In, but its application in precast construction is still extremely limited.
The content of the invention
According to technical problem set forth above, and provide a kind of precast construction friction energy-dissipating type bean column node.The present invention is adopted
Technological means is as follows：
A kind of precast construction friction energy-dissipating type bean column node, including positioned at the additional friction consumption being hinged in bean column node region
Energy device, it is characterised in that the additional friction energy-dissipating device includes fluting drive link I, drive link II of slotting, drive link I, biography
Lever II and positioned at the pre-embedded steel slab I being hinged at bean column node, the both sides of the pre-embedded steel slab I respectively with the fluting drive link
I and it is described fluting drive link II one end be hinged, it is described fluting drive link I and it is described fluting drive link II the other end with it is described
One end of drive link I is hinged, and one end of the drive link I is located between the fluting drive link I and the fluting drive link II,
The other end of the drive link I be located at two pre-embedded steel slabs II between, and by two pre-embedded steel slabs II with it is column articulated, it is described
One end of drive link II is located between two pre-embedded steel slabs III, and is hinged with beam by two pre-embedded steel slabs III, and fluting is passed
The lower semisection of lever I is provided with the bar shaped groove I extended along the length direction of the fluting drive link I, the fluting drive link II
The bar shaped groove II corresponding with the bar shaped groove I is provided with, the other end of the drive link II is located at the fluting transmission
Between bar I and the fluting drive link II, and it is hinged with the bar shaped groove I and the bar shaped groove II respectively；
It is described fluting drive link I and the pre-embedded steel slab I between, it is described fluting drive link II and the pre-embedded steel slab I it
Between, between the fluting drive link I and the drive link I, between the fluting drive link II and the drive link I steel is equipped with
Pad；
Between the fluting drive link I and the drive link II, between the fluting drive link II and the drive link II
It is equipped with friction plate.
Open on the pin joint being hinged on the drive link II and with the pre-embedded steel slab III and the drive link I and with described
The pin joint that groove drive link I and the fluting drive link II are hinged is located in same vertical straight line.The vertical straight line is put down with post
Go and perpendicular to beam.
The fluting drive link I, is hinged between the fluting drive link II and the pre-embedded steel slab I by high-strength bolt I,
I.e. described high-strength bolt I and the fluting drive link I, the fluting drive link II, the pre-embedded steel slab I and the steel between them
Pad is rotatably connected；
It is hinged by high-strength bolt II between the drive link I and two pre-embedded steel slabs II；
It is hinged by high-strength bolt III between the drive link II and two pre-embedded steel slabs III；
The fluting drive link I, is hinged between the fluting drive link II and the drive link I by high-strength bolt IV,
I.e. described high-strength bolt IV and the fluting drive link I, the fluting drive link II, the drive link I and the steel between them
Pad is rotatably connected；
It is hinged by high-strength bolt V between the drive link II and the bar shaped groove I and the bar shaped groove II, i.e.,
The high-strength bolt V and the drive link II, the bar shaped groove I, the bar shaped groove II and the friction plate between them revolve
Turn connection.
The length of the fluting drive link I and the fluting drive link II isThe length model of the drive link II
Enclose forThe length of the drive link II by the drive link II initial position (on i.e. described drive link II and with institute
State the pin joint position that bar shaped groove I and the bar shaped groove II are hinged) determine, wherein, a is the length of the drive link I.Institute
State drive link I vertical with post.
The friction plate is annular brass friction plate.
Under big shake effect, the drive link II slides with movable friction plate along the bar shaped groove I and the bar shaped groove II,
Relatively rotate with the fluting drive link I and the fluting drive link II simultaneously, realize sliding friction and pivoting friction power consumption.Together
When, the setting of bar shaped groove causes the phase between the drive link II and the fluting drive link I and the fluting drive link II
To rotating, compared to the amplification that beam column corner has more than 2 times.
Advantages of the present invention and beneficial effect are：By additional friction energy-dissipating device in combination with bean column node is hinged, have
Effect strengthens the ductility of joint and energy dissipation capacity of precast concrete, so as to improve the anti-seismic performance of structure.
Compared with prior art the present invention has following features：
(1) big shake effect is lower has energy dissipation capacity.Additional friction energy-dissipating device is consumed energy by sliding friction and pivoting friction,
Dissipation seismic energy, reduces structural damage.
(2) when normally using, additional friction energy-dissipating device provides rigidity for node, realizes that internal force is transmitted, and makes hinged joint
Show the performance similar to rigid joint.
(3) energy dissipation capacity is strong.On the one hand the setting of bar shaped groove can produce amplification to beam column corner, increase and rotate
The energy of Friction dissipation, on the other hand can simultaneously realize that sliding friction is consumed energy.
(4) in node region, damage is concentrated mainly on additional energy-dissipating device, and structural elements keeps substantially for plastic zone control
Elasticity.
(5) additional friction energy-dissipating device reliability is high, stable performance, it is not easy to produce fatigue rupture.
(6) additional friction energy-dissipating device simple structure, it is convenient to install and change after shaking, and material, processing and installation cost
It is low, good economy performance.
For the foregoing reasons the present invention can be widely popularized in the technical field such as building structure aseismatic and shockproof control.
Description of the drawings
With reference to the accompanying drawings and detailed description the present invention is further detailed explanation.
Fig. 1 is additional friction energy-dissipating device and beam column assembling schematic diagram in specific embodiment of the invention.
Fig. 2 is the explosive view of additional friction energy-dissipating device in specific embodiment of the invention.
Specific embodiment
As Figure 1-Figure 2, a kind of precast construction friction energy-dissipating type bean column node, including being located at bean column node region is hinged
Interior additional friction energy-dissipating device, the additional friction energy-dissipating device includes fluting drive link I 1, drive link II 2 of slotting, transmission
Bar I 3, drive link II 4 and positioned at the pre-embedded steel slab I 5 being hinged at bean column node, the both sides of the pre-embedded steel slab I 5 respectively with it is described
One end of fluting drive link I 1 and the fluting drive link II 2 is hinged, drive link I 1 and the fluting drive link II 2 of slotting
The other end be hinged with one end of the drive link I 3, one end of the drive link I 3 is located at the fluting drive link I 1 and described
Between fluting drive link II 2, the other end of the drive link I 3 is located between two pre-embedded steel slabs II 6, and described pre- by two
Bury steel plate II 6 to be hinged with post 7, one end of the drive link II 4 is located between two pre-embedded steel slabs III 8, and by described in two
Pre-embedded steel slab III 8 is hinged with beam 9, and the lower semisection of the fluting drive link I 1 is provided with the length direction along the fluting drive link I 1
The bar shaped groove I 10 of extension, the fluting drive link II 2 is provided with the bar shaped groove II corresponding with the bar shaped groove I 10
11, the other end of the drive link II 4 is located between the fluting drive link I 1 and the fluting drive link II 2, and respectively with
The bar shaped groove I 10 and the bar shaped groove I 11 are hinged；
Between the fluting drive link I 1 and the pre-embedded steel slab I 5, drive link II 2 and the pre-embedded steel slab I of slotting
Between 5, between the fluting drive link I 1 and the drive link I 3, between the fluting drive link II 2 and the drive link I 3
It is equipped with steel plate washer 12；
Between the fluting drive link I 1 and the drive link II 4, drive link II 2 and the drive link II 4 of slotting
Between be equipped with friction plate 13.
On the pin joint being hinged on the drive link II 4 and with the pre-embedded steel slab III 8 and the drive link I 3 and with institute
State fluting drive link I 1 and the pin joint that is hinged of fluting drive link II 2 is located in same vertical straight line.
The fluting drive link I 1, between the fluting drive link II 2 and the pre-embedded steel slab I 5 high-strength bolt I 14 is passed through
It is hinged；
It is hinged by high-strength bolt II 15 between the drive link I 3 and two pre-embedded steel slabs II 6；
It is hinged by high-strength bolt III 16 between the drive link II 4 and two pre-embedded steel slabs III 8；
The fluting drive link I 1, between the fluting drive link II 2 and the drive link I 3 high-strength bolt IV 17 is passed through
It is hinged；
Pass through high-strength bolt V 18 between the drive link II 4 and the bar shaped groove I 10 and the bar shaped groove II 11
It is hinged.
The length of the fluting drive link I 1 and the fluting drive link II 2 isThe length of the drive link II 4
Scope isThe length of drive link II 4 described in the present embodiment isWherein, a is the length of the drive link I 3
Degree.
The friction plate 13 is annular brass friction plate.
The above, the only present invention preferably specific embodiment, but protection scope of the present invention is not limited thereto,
Any those familiar with the art the invention discloses technical scope in, technology according to the present invention scheme and its
Inventive concept equivalent or change in addition, all should be included within the scope of the present invention.
Claims (5)
1. a kind of precast construction friction energy-dissipating type bean column node, including positioned at the additional friction power consumption being hinged in bean column node region
Device, it is characterised in that the additional friction energy-dissipating device includes fluting drive link I, drive link II of slotting, drive link I, transmission
Bar II and positioned at the pre-embedded steel slab I being hinged at bean column node, the both sides of the pre-embedded steel slab I respectively with the fluting drive link I
With it is described fluting drive link II one end be hinged, it is described fluting drive link I and it is described fluting drive link II the other end with it is described
One end of drive link I is hinged, and one end of the drive link I is located between the fluting drive link I and the fluting drive link II,
The other end of the drive link I be located at two pre-embedded steel slabs II between, and by two pre-embedded steel slabs II with it is column articulated, it is described
One end of drive link II is located between two pre-embedded steel slabs III, and is hinged with beam by two pre-embedded steel slabs III, and fluting is passed
The lower semisection of lever I is provided with the bar shaped groove I extended along the length direction of the fluting drive link I, the fluting drive link II
The bar shaped groove II corresponding with the bar shaped groove I is provided with, the other end of the drive link II is located at the fluting transmission
Between bar I and the fluting drive link II, and it is hinged with the bar shaped groove I and the bar shaped groove II respectively；
Between the fluting drive link I and the pre-embedded steel slab I, between the fluting drive link II and the pre-embedded steel slab I, institute
State between fluting drive link I and the drive link I, between the fluting drive link II and the drive link I steel plate washer is equipped with；
Between the fluting drive link I and the drive link II, it is all provided between the fluting drive link II and the drive link II
There is friction plate.
2. precast construction friction energy-dissipating type bean column node according to claim 1, it is characterised in that：On the drive link II
And pass on the pin joint being hinged with the pre-embedded steel slab III and the drive link I and with the fluting drive link I and the fluting
The pin joint that lever II is hinged is located in same vertical straight line.
3. precast construction friction energy-dissipating type bean column node according to claim 1, it is characterised in that：The fluting drive link
I, it is hinged by high-strength bolt I between the fluting drive link II and the pre-embedded steel slab I；
It is hinged by high-strength bolt II between the drive link I and two pre-embedded steel slabs II；
It is hinged by high-strength bolt III between the drive link II and two pre-embedded steel slabs III；
The fluting drive link I, is hinged between the fluting drive link II and the drive link I by high-strength bolt IV；
It is hinged by high-strength bolt V between the drive link II and the bar shaped groove I and the bar shaped groove II.
4. precast construction friction energy-dissipating type bean column node according to claim 1, it is characterised in that：The fluting drive link
I and it is described fluting drive link II length beThe length range of the drive link II isWherein, a is institute
State the length of drive link I.
5. precast construction friction energy-dissipating type bean column node according to claim 1, it is characterised in that：The friction plate is ring
Shape brass friction plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611046179.XA CN106638950B (en) | 2016-11-22 | 2016-11-22 | Friction energy consumption type beam column joint with prefabricated structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611046179.XA CN106638950B (en) | 2016-11-22 | 2016-11-22 | Friction energy consumption type beam column joint with prefabricated structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106638950A true CN106638950A (en) | 2017-05-10 |
| CN106638950B CN106638950B (en) | 2022-07-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611046179.XA Active CN106638950B (en) | 2016-11-22 | 2016-11-22 | Friction energy consumption type beam column joint with prefabricated structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113089827A (en) * | 2021-03-11 | 2021-07-09 | 中建八局第二建设有限公司 | Node structure of shaped steel concrete column and reinforced concrete beam |
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| CN201714864U (en) * | 2010-07-16 | 2011-01-19 | 刘志臣 | Unidirectional rotation energy-saving clutch friction plate |
| CN102628300A (en) * | 2012-05-02 | 2012-08-08 | 广西大学 | Steel truss control connecting beam with friction node |
| CN203808243U (en) * | 2014-03-05 | 2014-09-03 | 中国联合工程公司 | Horizontal initial-deformation adjustable hinge support of steel beam end part |
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| CN113089827A (en) * | 2021-03-11 | 2021-07-09 | 中建八局第二建设有限公司 | Node structure of shaped steel concrete column and reinforced concrete beam |
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| Publication number | Publication date |
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| CN106638950B (en) | 2022-07-15 |
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