CN217557178U - Novel assembled self-resetting friction beam column joint - Google Patents
Novel assembled self-resetting friction beam column joint Download PDFInfo
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- CN217557178U CN217557178U CN202221607922.5U CN202221607922U CN217557178U CN 217557178 U CN217557178 U CN 217557178U CN 202221607922 U CN202221607922 U CN 202221607922U CN 217557178 U CN217557178 U CN 217557178U
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Abstract
The utility model relates to a novel assembled self-resetting friction beam column node, which comprises a reinforced concrete column, a reinforced concrete beam and a beam column connecting assembly, wherein one end of the beam column connecting assembly is connected with the reinforced concrete column through a channel steel, and the other end of the beam column connecting assembly is connected with the reinforced concrete beam through a high-strength friction energy-consumption bolt; the beam-column connecting assembly comprises a first connecting piece, a second connecting piece, a first side plate, a second side plate and a limiting plate, wherein the first side plate and the second side plate are arranged between the first connecting piece and the second connecting piece, a plurality of SMA rods are arranged between the first side plate and the second side plate, and the limiting plates are arranged at the right ends of the first connecting piece and the second connecting piece; the utility model discloses simple structure, all components all can be in the processing completion of prefabricated factory and at the field assembly, greatly reduced manufacturing cost, and the superior performance, but consequently wide application in the assembled frame construction's of many earthquake areas beam column node, the prosthetic position after being particularly useful for not being convenient for shake.
Description
Technical Field
The utility model relates to a novel assembled is from restoring to throne friction beam column node uses at architectural equipment technical field.
Background
The friction energy dissipation component has the characteristics of convenience in installation, easiness in replacement, adjustable rigidity and the like, can dissipate energy in a friction mode in the using process, can withstand multiple earthquakes, and does not damage the structure. Has high application value in the process of reinforcing and repairing the building. The utility model with the bulletin number of CN201710587664.6 discloses a semi-rigid node friction energy dissipater, which solves the limitation of the friction energy dissipater in the aspect of friction force control; in addition, the invention patent with publication number CN111395567A discloses a rotational friction energy dissipater, which can make a fastener slide along an arc through hole when a first connecting piece and a second connecting piece are subjected to rotational deformation, so as to dissipate seismic energy and reduce the damage of an engineering structure. However, the above patents and other conventional fabricated friction energy dissipating beam-column joints are mostly not designed with self-resetting performance after earthquake, and when energy dissipating devices are installed at the fabricated beam-column joints, the joints are converted from rigid connection to semi-rigid connection, so that the interlayer displacement angle of the frame structure is increased.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a novel assembled is from restoring to throne friction beam column node reduces the problem that displacement angle enlargies between installation energy dissipation device rear layer among the frame construction through the SMA pole, thereby strengthen the anti-seismic performance and the wholeness of node, and provide the pretightning force through node high strength bolt, when making the frictional force that produces be greater than static frictional force, relative displacement takes place between the friction plate, the effect of the power consumption of performance friction, make the structure reduce the damage degree in core node district and have certain ability from restoring to throne after seismic action.
The technical scheme of the utility model as follows:
a novel assembly type self-resetting friction beam column joint comprises a reinforced concrete column, a reinforced concrete beam and a beam column connecting assembly, wherein one end of the beam column connecting assembly is connected with the reinforced concrete column through a channel steel, and the other end of the beam column connecting assembly is connected with the reinforced concrete beam through a high-strength friction energy-consuming bolt; the beam column connecting assembly comprises a first connecting piece, a second connecting piece, a first side plate, a second side plate and a limiting plate, the first side plate and the second side plate are arranged between the first connecting piece and the second connecting piece, a plurality of SMA rods are arranged between the first side plate and the second side plate, the right ends of the first connecting piece and the second connecting piece are provided with the limiting plate, and the limiting plate is connected with the reinforced concrete beam through a friction plate matched high-strength friction energy-consuming bolt.
All seted up a plurality of bolt holes on the pterygoid lamina of channel-section steel both sides, the channel-section steel is through setting up bolt and reinforced concrete column fixed connection in the bolt hole, the right side wall of channel-section steel and beam column coupling assembling's left end fixed connection.
The first connecting piece and the second connecting piece are arranged in a vertically symmetrical structure, the left ends of the first connecting piece and the second connecting piece are fixedly connected with a first side plate, and the right ends of the first connecting piece and the second connecting piece are fixedly connected with a second side plate.
First curb plate and second curb plate are bilateral symmetry structure setting, all offer a plurality of on first curb plate and the second curb plate lateral wall face in opposite directions and be used for inserting the preformed hole of establishing the SMA pole, the both ends of SMA pole are connected with first curb plate and second curb plate through the preformed hole respectively.
The right-hand member of first connecting piece is provided with two limiting plates, two limiting plates all with first connecting piece body coupling, two limiting plates are symmetry setting around being, all are provided with a plurality of sliding holes on two limiting plates.
The right-hand member of second connecting piece is provided with two limiting plates, and two limiting plates all are connected with second connecting piece an organic whole, and two limiting plates are symmetry setting from beginning to end, all are provided with a plurality of slip holes on two limiting plates.
The inner sides of the limiting plates are movably connected with friction plates, bolt sliding grooves matched with the limiting plates are formed in the friction plates, and the diameters of the bolt sliding grooves are larger than those of the high-strength friction energy dissipation bolts.
The SMA rod is made of a shape memory alloy material.
The utility model discloses following beneficial effect has:
1. the utility model discloses a form of SMA pole realizes from restoring to the throne of beam column node, adopts the power consumption ability that high strength friction power consumption bolt realized beam column node, and material excellent performance can provide effectual restraint, power consumption and from the reset effect for the node.
2. The SMA rod uses shape memory alloy, so that the energy consumption and self-resetting capability are good, the structure and construction process are simple, the allowable deformation range is large, the nodes after the earthquake do not need to be repaired, the durability and the fatigue resistance are good, and the comprehensive economic benefit is high; the node has better bearing capacity, when earthquake happens, the generated friction force is larger than static friction force, relative sliding is generated between the friction plates, and simultaneously the SMA rod rods are respectively in a pulled state and a pressed state and consume earthquake energy; if the node is in the applicable environment temperature, the SMA rod returns to the original position after being detached under the action of the earthquake due to the self characteristics of the shape memory alloy, and the node has no residual deformation.
Drawings
Fig. 1 is a schematic structural view of the present invention;
the reference numbers in the figures denote:
1. a reinforced concrete column; 2. a reinforced concrete beam; 3. a beam-column connecting assembly; 31. a first connecting member; 32. a second connecting member; 33. a first side plate; 34. a second side plate; 35. a limiting plate; 4. channel steel; 41. bolt holes; 5. a slide hole; 6. reserving a hole; 7. an SMA rod; 8. a friction plate.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1, the novel assembly type self-resetting friction beam-column joint comprises a reinforced concrete column 1, a reinforced concrete beam 2 and a beam-column connecting assembly 3, wherein one end of the beam-column connecting assembly 3 is connected with the reinforced concrete column 1 through a channel steel 4, and the other end of the beam-column connecting assembly 3 is connected with the reinforced concrete beam 2 through a high-strength friction energy-consumption bolt; the beam column connecting assembly 3 comprises a first connecting piece 31, a second connecting piece 32, a first side plate 33, a second side plate 34 and a limiting plate 35, the first side plate 33 and the second side plate 34 are arranged between the first connecting piece 31 and the second connecting piece 32, a plurality of SMA rods 7 are arranged between the first side plate 33 and the second side plate 34, the limiting plates 35 are arranged at the right ends of the first connecting piece 31 and the second connecting piece 32, and the limiting plates 35 are connected with the reinforced concrete beam 2 through friction plate 8 matched high-strength friction energy-consuming bolts.
All seted up a plurality of bolt holes 41 on the pterygoid lamina of channel-section steel 4 both sides, channel-section steel 4 is through setting up bolt and reinforced concrete column 1 fixed connection in bolt hole 41, the right side wall of channel-section steel 4 and beam column coupling assembling 3's left end fixed connection.
The first connecting piece 31 and the second connecting piece 32 are arranged in a vertically symmetrical structure, the left ends of the first connecting piece 31 and the second connecting piece 32 are fixedly connected with a first side plate 33, and the right ends of the first connecting piece 31 and the second connecting piece 32 are fixedly connected with a second side plate 34.
The first side plate 33 and the second side plate 34 are arranged in a bilateral symmetry structure, a plurality of preformed holes 6 used for inserting the SMA rods 7 are formed in the side wall surfaces of the first side plate 33 and the second side plate 34 opposite to each other, two ends of each SMA rod 7 are connected with the first side plate 33 and the second side plate 34 through the preformed holes 6 respectively, when the SMA rods 7 are fixed, the SMA rods 7 can be fixed at the preformed holes 6 on one side through fixing rings, the other side of each SMA rod can apply pre-tightening force through hydraulic pliers, and then the fixing rings are pressed to finish fixing.
The right-hand member of first connecting piece 31 is provided with two limiting plates 35, and two limiting plates 35 all with first connecting piece 31 body coupling, two limiting plates 35 are symmetry setting around being, all are provided with a plurality of sliding hole 5 on two limiting plates 35.
The right-hand member of second connecting piece 32 is provided with two limiting plates 35, and two limiting plates 35 all with second connecting piece 32 body coupling, two limiting plates 35 are the front and back symmetry setting, all are provided with a plurality of sliding hole 5 on two limiting plates 35.
The inner sides of the limiting plates 35 are movably connected with friction plates 8, bolt sliding grooves matched with the limiting plates 35 are formed in the friction plates 8, and the diameters of the bolt sliding grooves are larger than those of the high-strength friction energy dissipation bolts, so that the high-strength friction bolts can move in the bolt sliding grooves when an earthquake acts, and the pretightening force provided by the high-strength friction bolts can generate friction energy dissipation between webs.
The SMA rod 7 is made of a shape memory alloy material, preferably a nickel-titanium alloy, and the allowable deformation of the SMA rod 7 is greater than the maximum deformation under a design reference earthquake; the SMA rod 7 generates counter force due to stretching or compression deformation, and provides a force for resetting the beam-column joint, so that the self-resetting of the assembled beam-column joint is realized.
To sum up, the self-resetting friction beam column node of the utility model has good energy consumption performance and self-resetting capability under the action of earthquake load, large allowable deformation range, symmetrical reciprocating load behavior, no damage to the structural beam column and the node after the earthquake, simple structure, simple and convenient production and installation and higher economic benefit; just the utility model discloses simple structure, all components all can be accomplished at the processing of prefabricated factory to at the field assembly, greatly reduced manufacturing cost, and the superior performance, but consequently wide application in the assembled frame construction's of many earthquake areas beam column node, especially be applicable to the prosthetic position after being not convenient for shake.
The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.
Claims (8)
1. The utility model provides a novel assembled is from friction beam column node that restores to throne which characterized in that: the reinforced concrete beam-column connection assembly is characterized by comprising a reinforced concrete column (1), a reinforced concrete beam (2) and a beam-column connection assembly (3), wherein one end of the beam-column connection assembly (3) is connected with the reinforced concrete column (1) through a channel steel (4), and the other end of the beam-column connection assembly (3) is connected with the reinforced concrete beam (2) through a high-strength friction energy-consumption bolt; the beam column connecting assembly (3) comprises a first connecting piece (31), a second connecting piece (32), a first side plate (33), a second side plate (34) and a limiting plate (35), the first side plate (33) and the second side plate (34) are arranged between the first connecting piece (31) and the second connecting piece (32), a plurality of SMA rods (7) are arranged between the first side plate (33) and the second side plate (34), the limiting plate (35) is arranged at the right end of the first connecting piece (31) and the right end of the second connecting piece (32), and the limiting plate (35) is connected with the reinforced concrete beam (2) through a friction plate (8) matched high-strength friction energy-consuming bolt.
2. The novel fabricated self-resetting friction beam-column joint of claim 1, wherein: all seted up a plurality of bolt holes (41) on the pterygoid lamina of channel-section steel (4) both sides, channel-section steel (4) are through setting up bolt and reinforced concrete column (1) fixed connection in bolt hole (41), the left end fixed connection of the right side wall of channel-section steel (4) and beam column coupling assembling (3).
3. The novel fabricated self-resetting friction beam-column joint of claim 1, wherein: the first connecting piece (31) and the second connecting piece (32) are arranged in a vertical symmetrical structure, the left ends of the first connecting piece (31) and the second connecting piece (32) are fixedly connected with a first side plate (33), and the right ends of the first connecting piece (31) and the second connecting piece (32) are fixedly connected with a second side plate (34).
4. The novel assembled self-resetting friction beam-column joint as set forth in claim 1, wherein: first curb plate (33) and second curb plate (34) are bilateral symmetry structure setting, all offer a plurality of on first curb plate (33) and second curb plate (34) lateral wall face in opposite directions and are used for inserting preformed hole (6) of establishing SMA pole (7), and the both ends of SMA pole (7) are connected with first curb plate (33) and second curb plate (34) through preformed hole (6) respectively.
5. The novel assembled self-resetting friction beam-column joint as set forth in claim 3, wherein: the right-hand member of first connecting piece (31) is provided with two limiting plates (35), and two limiting plates (35) all with first connecting piece (31) body coupling, symmetry setting around two limiting plates (35) are, all are provided with a plurality of sliding hole (5) on two limiting plates (35).
6. The novel fabricated self-resetting friction beam-column joint of claim 3, wherein: the right-hand member of second connecting piece (32) is provided with two limiting plates (35), two limiting plates (35) all with second connecting piece (32) an organic whole connection, two limiting plates (35) are the front and back symmetry and set up, all are provided with a plurality of sliding hole (5) on two limiting plates (35).
7. The novel assembled self-resetting friction beam-column joint as set forth in claim 5 or 6, wherein: the inner sides of the limiting plates (35) are movably connected with friction plates (8), bolt sliding grooves matched with the limiting plates (35) are formed in the friction plates (8), and the diameters of the bolt sliding grooves are larger than those of the high-strength friction energy-consumption bolts.
8. The novel fabricated self-resetting friction beam-column joint of claim 1, wherein: the SMA rod (7) is made of a shape memory alloy material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221607922.5U CN217557178U (en) | 2022-06-24 | 2022-06-24 | Novel assembled self-resetting friction beam column joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221607922.5U CN217557178U (en) | 2022-06-24 | 2022-06-24 | Novel assembled self-resetting friction beam column joint |
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| CN217557178U true CN217557178U (en) | 2022-10-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221607922.5U Active CN217557178U (en) | 2022-06-24 | 2022-06-24 | Novel assembled self-resetting friction beam column joint |
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| CN (1) | CN217557178U (en) |
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2022
- 2022-06-24 CN CN202221607922.5U patent/CN217557178U/en active Active
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