CN108560709A - A kind of floor exempts from the twin beams Self-resetting Aseismic Steel Frames of damage - Google Patents
A kind of floor exempts from the twin beams Self-resetting Aseismic Steel Frames of damage Download PDFInfo
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- CN108560709A CN108560709A CN201810521672.5A CN201810521672A CN108560709A CN 108560709 A CN108560709 A CN 108560709A CN 201810521672 A CN201810521672 A CN 201810521672A CN 108560709 A CN108560709 A CN 108560709A
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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
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
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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
- E04H9/024—Structures with steel columns and beams
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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
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
- E04B2001/2406—Connection nodes
-
- 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
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
- E04B2001/2418—Details of bolting
-
- 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
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
- E04B2001/2448—Connections between open section profiles
Abstract
The invention discloses the twin beams Self-resetting Aseismic Steel Frames that a kind of floor exempts from damage, including at least one structural unit, structural unit includes two frame columns, the upper steel I-beam of neighbouring setting and lower steel I-beam, the both ends of the upper steel I-beam are connect by top flange steel plate with frame column, the both ends of the lower steel I-beam are connect by lower flange steel plate with frame column, it is provided with gap between upper steel I-beam and lower steel I-beam and is connected as one by end limiting device at both ends, anchoring has pre- pull rod between the end limiting device at both ends, it is respectively arranged with shear connector on the web of upper steel I-beam and lower steel I-beam, shear connector is welded in end and frame column.Steel construction can be made to realize Self-resetting under small shake and middle shake after applying the invention to steel frame, it is not damaged in shake lower structure greatly, and also Self-resetting mechanism will not cause floor drawing crack, effectively reduce the economic loss generated after shake.
Description
Technical field
The invention belongs to field of civil engineering, it is related to the twin beams Self-resetting Aseismic Steel Frames that a kind of floor exempts from damage.
Background technology
Self-resetting steel-frame structure is a kind of new structure providing Self-resetting power for structure by the pre- pull rod of tensioning,
The residual deformation of structure can be effectively reduced after structure is by geological process.Under frequently occurred earthquake effect, Self-resetting steel frame
Structure Beam-column interstitial position is not opened, and moment resisting is similar to, and structural elements remains elasticity；In middle shake or big shake effect
Under, Self-resetting steel-frame structure makes the dissipative member mounted on node location to consume by bean column node top bottom open gaps
Seismic energy even avoids agent structure from damaging, so that gap-closing is realized Self-resetting by pre- pull rod after geological process to mitigate
Function.By the adjustment to dissipative member size, pre- pull rod quantity and initial tension, beam column scantling, Self-resetting steel can be made
Rigidity, bearing capacity, ductility and Hysteresis Behavior of the frame structure under lateral loads change, and this property can be with
Engineer is facilitated to carry out the matched adjustment of the different parts rigidity of structure in structure design.However traditional Self-resetting steel frame knot
The column of structure increases away from meeting with the opening of bean column node, it is necessary to when using complicated floor arrangement form to avoid column away from increasing
Floor crack in tension.In addition, traditional Self-resetting steel-frame structure usually require to carry out at the construction field (site) pre- pull rod tensioning and
Member Welding is unfavorable for ensureing construction quality and difficulty of construction is larger, this all limits Self-resetting frame in Practical Project
Using, although and the twin beams Self-resetting steel frame that proposes at present can solve the above problems, initial stiffness is small, and beam-to-column joint is easy
The problems such as destroying, this has seriously affected application of the Self-resetting twin beams in Practical Project.
Invention content
Technical problem：The present invention provides one kind, and can to solve Self-resetting twin beams initial stiffness small, and beam-to-column joint easily occurs broken
The floor of bad the problems such as exempts from the twin beams Self-resetting Aseismic Steel Frames of damage.
Technical solution：The floor of the present invention exempts from the twin beams Self-resetting Aseismic Steel Frames of damage, including at least one structural unit,
The structural unit includes two frame columns, the upper steel I-beam of neighbouring setting and lower steel I-beam, the upper I-steel
The both ends of beam are connect by top flange steel plate with frame column, and the both ends of the lower steel I-beam pass through lower flange steel plate and frame column
Connection, is provided with gap and is connected as one by end limiting device at both ends between upper steel I-beam and lower steel I-beam,
Being anchored between the end limiting device at both ends has pre- pull rod, is respectively arranged on the web of upper steel I-beam and lower steel I-beam anti-
Connector is cut, shear connector is welded in end and frame column.
Further, floor of the invention is exempted from the twin beams Self-resetting Aseismic Steel Frames damaged, the end limiting device packet
Include one piece of end plate for being reserved with presstressed reinforcing steel hole, four pieces of friction plates for being reserved with friction plate bolt hole with end plate connection, prestretching
Bar is anchored at by presstressed reinforcing steel hole on end plate, and four pieces of friction plates are divided into two groups upper and lower, every group of two friction plates being oppositely arranged,
The web of upper steel I-beam is inserted between one group of friction plate above and is attached thereto by high-strength bolt, under lower steel I-beam is inserted into
It is attached thereto between the friction plate of one group of face and by high-strength bolt.
Further, floor of the invention is exempted from the twin beams Self-resetting Aseismic Steel Frames damaged, friction plate and upper steel I-beam
Between, and between lower steel I-beam it is both provided with friction material.
Further, floor of the invention is exempted from the twin beams Self-resetting Aseismic Steel Frames damaged, upper steel I-beam and lower wage
Girder steel reserves sliding slot being provided with upper steel I-beam with the position that friction plate assembles and reserve sliding slot and lower steel I-beam respectively, with
The position of shear connector bolt is reserved with steel I-beam bolt hole and lower steel I-beam bolt hole respectively.
Further, floor of the invention is exempted from the twin beams Self-resetting Aseismic Steel Frames damaged, and frame is provided on frame column
Column edge of a wing preformed hole.
Further, floor of the invention is exempted from the twin beams Self-resetting Aseismic Steel Frames damaged, and top flange steel plate is reserved with spiral shell
Keyhole is used to bolt with the top flange of upper steel I-beam, lower flange steel plate be reserved with longitudinal chute for under lower steel I-beam
The edge of a wing bolts, and top flange steel plate and lower flange steel plate one end are welded with frame column, and being reserved with gap between beam column makes top flange
One end of steel plate lower flange steel plate, which overhangs, beam section.
Further, floor of the invention is exempted from the twin beams Self-resetting Aseismic Steel Frames damaged, and pre- pull rod is divided into two groups up and down,
It is respectively arranged at the web position of steel I-beam and lower steel I-beam.
Further, floor of the invention is exempted from the twin beams Self-resetting Aseismic Steel Frames damaged, which is included in vertical side
It is sequentially connected and shares upwards multiple structural units of a frame column.
Further, floor of the invention is exempted from the twin beams Self-resetting Aseismic Steel Frames damaged, which is included in level side
Upward sequentially connected multiple structural units, two adjacent structural units share a frame column.
In the preferred embodiment of the present invention, structural unit includes two frame columns and two steel I-beams, two I-steel
Beam forms combination twin beams by end limiting device, and edge of a wing steel plate is respectively adopted and shear connector is connect with frame column.Beam
Certain gap is reserved between column, so that a part for edge of a wing steel plate is overhang and beam section.End limiting device passes through to pre- pull rod
It draws prestressing force that it is made to be pressed on twin beams end, and is connect with upper underbeam using high-strength bolt is pre-tightened.Apply the invention to steel framework
Steel construction can be made to realize Self-resetting under small shake and middle shake after frame, it is not damaged in shake lower structure greatly, and also Self-resetting mechanism is not
It can cause floor drawing crack, effectively reduce the economic loss generated after shake.
Advantageous effect：Compared with prior art, the present invention haing the following advantages：
(1) present invention uses hinge means of the edge of a wing steel plate as twin beams and frame column, steel plate one end to be welded with frame column,
It can be carried out in factory, other end is bolted with Vierendeel girder, can be carried out at the construction field (site), can be accelerated Self-resetting beam at the scene in this way
Construction.Compared with traditional axis pin connection, the connection type of edge of a wing steel plate increases effectively the initial stiffness of beam column connection part,
And then increase the initial stiffness of entire frame system.Lower flange steel plate can produce relative sliding under big shake with underbeam, consume
While dissipating seismic energy, the lasting increase of structural system drag under big shake is avoided, to ensure that beam column connection part will not
There is apparent plastic deformation under big shake, it is lossless under big shake to realize structure.
(2) present invention can effectively increase the equivalent bending stiffness of twin beams using end limiting device.Some researches show that
Based on double push rod principles work component in error in length the initial stiffness of component can be made to significantly reduce, due between two push rods
There are error in length in processing, pre- pull rod after tensioning by end plate transmit prestressing force only act upon on some push rod without
Double push rods can be made to become effectively whole, the end plate in the present invention can generate certain rotation after by prestressed effect, to make
End plate keeps compaction simultaneously with upper underbeam.
(3) present invention is fitted together end limiting device with twin beams using high-strength bolt in its web position, not only
Save deck-molding, while convenient for applying bolt pretightening, pushing away of being also ensured that end plate generates covers power and act directly on beam section
On.Friction plate is located at steel beam web plate position, and twin beams can't increase unnecessary deck-molding because of friction energy consuming device is introduced.It rubs
The size for wiping energy dissipation capacity depends on the size of bolt pretightening, can be located at by torque spanner and pullover rotation in construction
The high-strength bolt of web position, to realize the change of bolt pretightening.The startup power of Self-resetting frame is exceeded under geological process
Afterwards, the end plate for being pressed on twin beams end is pushed open by twin beams, and end plate is made to generate relative translational movement at both ends respectively with upper underbeam.End plate this
When generate inclined trend because of bias stress, but assembled with twin beams since friction plate passes through high-strength bolt in beam web runner position
Together, which limits the vertical displacement of friction plate, and avoiding end-plate tilt makes gap width reduce, to have
Effect ensure that pre- pull rod elongation and Frictional Slipping energy consumption.
(4) the Self-resetting steel-frame structure of the invention achievable floor under geological process exempts to damage.For traditional runback
Position steel-frame structure, bean column node make to be located at the consumption at node location by the back bottom opening generation gap under geological process
Energy component generates energy consumption, but the gap generated makes column away from increase, and the floor arrangement form using complexity is needed to avoid floor tension
Cracking.And the present invention by upper underbeam under geological process be mutually parallel the changing of the relative positions end generate gap, will not cause column away from
Variation and effectively reduce the drawing crack of floor.
(5) damage of agent structure when the present invention can effectively reduce or even avoid geological process.For moment resisting
By the surrender in advance and destruction of partial component, dissipate most seismic energy by the plastic deformation of component, and as beam,
The damage of the structural elements such as column is often difficult to repair, and is more easy to cause collapsing for structure.Upper underbeam and frame column in the present invention is equal
It is connected using axis pin, can effectively avoid structure from generating plastic hinge under geological process.Twin beams is mutual under geological process
The parallel changing of the relative positions can cause friction plate and beam web friction energy-dissipating, and not only simple structure, energy consumption cost are relatively low in this way, but also realize
Damage is controllable, and structure just can realize complete Self-resetting after the pretension being applied in pre- pull rod overcomes force of sliding friction, without
With the influence for considering agent structure plastic deformation.In addition, friction material does not need generally when Self-resetting frame undergoes earthquake again
It replaces, just can realize the friction energy-dissipating ability close with the first secondary earthquake phase is undergone.
(6) the achievable Self-resetting steelframe of the present invention is only needed when factory carries out prefabricated and prestressed stretch-draw, constructs at the scene
Each structural elements is assembled, be very suitable for industrialized production and manufacture.Can not only ensure each component processing quality and
Prestress stretching quality can also accelerate construction progress.Since its processing technology is similar with traditional Self-resetting frame, producer without
Need to make larger adjustment just can carry out industrialized production, to reduce the difficulty and cost of manufacture, have higher price competing
Strive power.
Description of the drawings
Fig. 1 is the schematic three dimensional views of apparatus of the present invention；
Fig. 2 is the front view of apparatus of the present invention；
Fig. 3 is the A-A sectional views of Fig. 2；
2 center trestle side view of Fig. 4 bitmaps；
Fig. 5 is the front view of friction material in Fig. 2；
Fig. 6 is upper steel I-beam plan view in Fig. 2；
Fig. 7 is lower steel I-beam plan view in Fig. 2；
Fig. 8 a and Fig. 8 b are respectively the front view and sectional view of Fig. 2 medial end portions limiting devices；
Fig. 9 is the plan view of top flange steel plate in Fig. 2；
Figure 10 is the plan view of lower flange steel plate in Fig. 2；
Figure 11 is shear connector front view in Fig. 2；
Figure 12 is for apparatus of the present invention to the operating diagram one when left dislocation under small shake and middle shake；
Figure 13 is operating diagram two of the apparatus of the present invention under small shake and middle shake when displacement to the right.
Figure 14 is for apparatus of the present invention to the operating diagram one when left dislocation under big shake；
Figure 15 is operating diagram two of the apparatus of the present invention under big shake when displacement to the right；
Figure 16 is apparatus of the present invention hysteresis mechanism under small shake and middle shake；
Figure 17 is apparatus of the present invention hysteresis mechanism under big shake.
Have in figure：The reserved sliding slot 21 of frame column 1, frame column edge of a wing preformed hole 11, upper steel I-beam 2, upper steel I-beam,
Upper steel I-beam prepared screw-bolt hole 22, lower steel I-beam 3, lower steel I-beam reserve sliding slot 31, lower steel I-beam prepared screw-bolt hole
32, top flange steel plate 4, lower flange steel plate 5, end limiting device 6, end plate 61, friction plate 62, friction plate bolt hole 63, weld seam
64, presstressed reinforcing steel hole 65, pre- pull rod 7, shear connector 8, friction material 9.
Specific implementation mode
As shown in Fig. 1~Figure 17, the twin beams Self-resetting Aseismic Steel Frames that floor of the invention exempts from damage include at least one knot
Structure unit, the structural unit include two frame columns 1, the upper steel I-beam 2 of neighbouring setting and lower steel I-beam 3, institute
The both ends for stating steel I-beam 2 are connect by top flange steel plate 4 with frame column 1, under the both ends of the lower steel I-beam 3 pass through
Edge of a wing steel plate 5 is connect with frame column 1, and gap is provided between upper steel I-beam 2 and lower steel I-beam 3 and passes through end at both ends
Limiting device 6 is connected as one, and being anchored between the end limiting device 6 at both ends has pre- pull rod 7, upper steel I-beam 2 and lower I-shaped
Shear connector 8 is respectively arranged on the web of girder steel 3, shear connector 8 is welded in end and frame column 1.End limit dress
It sets 6 and does not carry out any welding with twin beams.It is double for preventing web reinforcing plate and edge of a wing reinforcing plate can be welded in upper and lower beam end
The larger generation plastic deformation of beam local pressure.End limiting device 6 include one piece of end plate 61 for being reserved with presstressed reinforcing steel hole 65, with
Four pieces of friction plates 62 for being reserved with friction plate bolt hole 63 that end plate 61 connects, pre- pull rod 7 are anchored at by presstressed reinforcing steel hole 65
On end plate 61, it is upper and lower two groups that four pieces of friction plates 62, which are divided to, every group two friction plates 62 being oppositely arranged, the abdomen of upper steel I-beam 2
By passing through friction plate bolt hole 63 and horizontal concrete chute 21 between plate is inserted into one group of friction plate 62 above and using high-strength bolt
High-strength bolt is connect with one group of friction plate 62 above, between lower steel I-beam 3 is inserted into following set friction plate 62 and using high
Strength bolt is threaded through friction plate bolt hole 63 and horizontal concrete chute 31 is connect with following set friction plate 62 and high-strength bolt connection.
The energy dissipation capacity of frame depends primarily on the size of high-strength bolt pretightning force.
Between friction plate 62 and upper steel I-beam 2, and between lower steel I-beam 3 it is both provided with friction material 9.Friction material
Expect that 9 prepared screw-bolt holes, currently used friction material have latten(-tin) etc..Upper steel I-beam 2 and lower steel I-beam 3 respectively with
The position that friction plate 62 assembles is provided with steel I-beam and reserves sliding slot 21 and the reserved sliding slot 31 of lower steel I-beam, is initially answering in advance
After power and frictional force are exceeded, which has no effect on sliding laterally for friction plate, therefore end limiting device can be with
There is the horizontal changing of the relative positions in twin beams, but horizontal concrete chute limits the vertical displacement of friction plate, avoids because end-plate tilt makes tip-clearance
Value reduces, to which pre- pull rod elongation and Frictional Slipping energy consumption be effectively ensured.Distinguish in the position bolted with shear connector 8
It is reserved with steel I-beam bolt hole 22 and lower steel I-beam bolt hole 32.
Frame column edge of a wing preformed hole 11 is provided on frame column 1.After tensioned prestressing bar, presstressed reinforcing steel can generally have more
An anchored end part is convenient for prestressed benefit tensioning, and presstressed reinforcing steel hole is reserved on frame column to be answered convenient for having more the pre- of anchored end
Power muscle passes through.Top flange steel plate 4 is reserved with bolt hole for being bolted with the top flange of upper steel I-beam 2, and lower flange steel plate 5 is reserved
Have longitudinal chute for the lower flange of lower steel I-beam 3 bolt, top flange steel plate 4 and 5 one end of lower flange steel plate are and frame
Column 1 welds, and is reserved with gap between beam column one end of top flange steel plate 4 and lower flange steel plate 5 is made to overhang and beam section.Prestretching
It is upper and lower two groups that bar 7, which is divided to, is respectively arranged at the web position of steel I-beam 2 and lower steel I-beam 3.The self-resetting capability of frame
Depend primarily on the size of pre- pull rod structural initial pre stress.
The floor of the present invention exempts from the operation principle of the twin beams Self-resetting Aseismic Steel Frames of damage as shown in Figure 12~Figure 17：Due to
There are differences in height between the edge of a wing steel plate of underbeam in connection, in Frame Column Under Earthquake Force 1 in top flange steel plate 4 and bottom wing balsh
The lateral displacement that plate 5 is highly located is of different sizes so that the upper steel I-beam 2 that is connect with top flange steel plate 4 and with lower flange steel plate
Relative horizontal movement is generated between the lower steel I-beam 3 of 5 connections.As shown in figure 12, when structure sidesway to the right, left side end plate and
Right side end plate moves under the promotion of lower steel I-beam 3 and upper steel I-beam 2 to both sides respectively, opposite to make upper underbeam generate
Horizontal sliding.As shown in figure 13, when structure sidesway to the left, left side end plate and right side end plate are respectively in upper steel I-beam 2 under
It is moved to both sides under the promotion of steel I-beam 3, to generate gap.Structure is thereby guaranteed that under small shake and middle shake effect, end
Friction plate 62 in limiting device 6 generates sliding energy consumption with steel beam web plate always.Friction material 9 is clipped in friction plate and steel beam web plate
Between, it is translatable together with friction plate 62 after tip-clearance is opened, the use of friction material 9 can be realized surely in sliding process
Fixed friction hysteretic energy.In addition, both sides end plate 61 is by the open-top pre- pull rod 7 afterwards of twin beams, tension extends always, and geological process terminates
The prestressing force in pre- pull rod 7 overcomes the force of sliding friction generated between friction plate 62 and steel beam web plate afterwards, realizes frame in earthquake
Runback bit function after the lower reciprocal transformation of effect.Either sidesway still sidesway to the right to the left, column away from not changing always, because
This its Self-resetting mechanism will not make floor drawing crack.Under big shake effect, the story drift of structure persistently increases, between upper underbeam
The excessive horizontal changing of the relative positions easily lead to the elongation surrender of presstressed reinforcing steel, the drag of this external structure, which constantly increases, to be possible to cause the edge of a wing
The surrender of steel plate, therefore longitudinal chute is reserved on the steel plate of lower flange so that the big lower lower flange steel plate 5 of shake effect is produced with underbeam 3
Raw relative level sliding, as shown in Figure 14 and Figure 15 so that node is only rotated around top flange steel plate 4, can make beam up and down in this way
The horizontal changing of the relative positions and the internal force of edge of a wing steel plate be not further added by.Since top flange steel plate is in small shake, middle shake does not occur always under big shake
Sliding, therefore can ensure the column of the earthquake-proof frame away from not changing, to avoid floor from being produced because of the opening and closing in gap
Raw drawing crack.
Claims (9)
1. a kind of floor exempts from the twin beams Self-resetting Aseismic Steel Frames of damage, which is characterized in that the structure includes at least one structure list
Member, the structural unit include two frame columns (1), the upper steel I-beam (2) of neighbouring setting and lower steel I-beam (3),
The both ends of the upper steel I-beam (2) are connect by top flange steel plate (4) with frame column (1), and the two of the lower steel I-beam (3)
End is connect by lower flange steel plate (5) with frame column (1), and gap is provided between upper steel I-beam (2) and lower steel I-beam (3)
And be connected as one by end limiting device (6) at both ends, being anchored between the end limiting device (6) at both ends has pre- pull rod
(7), shear connector (8), shear connector (8) are respectively arranged on the web of upper steel I-beam (2) and lower steel I-beam (3)
It is welded in end and frame column (1).
2. floor according to claim 1 exempts from the twin beams Self-resetting Aseismic Steel Frames of damage, which is characterized in that the end limit
Position device (6) include one piece of end plate (61) for being reserved with presstressed reinforcing steel hole (65), connect with end plate (61) four pieces be reserved with and rub
The friction plate (62) of wiping board bolt hole (63), pre- pull rod (7) are anchored at by presstressed reinforcing steel hole (65) on end plate (61), and four pieces are rubbed
Wiping board (62) is divided into two groups up and down, and the web of every group two friction plates (62) being oppositely arranged, upper steel I-beam (2) is inserted into above
It is attached thereto between one group of friction plate (62) and by high-strength bolt, lower steel I-beam (3) is inserted into following set friction plate (62)
Between and be attached thereto by high-strength bolt.
3. floor according to claim 2 exempts from the twin beams Self-resetting Aseismic Steel Frames of damage, which is characterized in that the friction plate
(62) between upper steel I-beam (2), and with friction material (9) is both provided between lower steel I-beam (3).
4. being the twin beams Self-resetting Aseismic Steel Frames that floor exempts from damage according to claim 2, which is characterized in that the upper I-shaped
Girder steel (2) and lower steel I-beam (3) are provided with upper steel I-beam in the position assembled with friction plate (62) respectively and reserve sliding slot
(21) and lower steel I-beam reserves sliding slot (31), and upper steel I-beam is reserved with respectively in the position bolted with shear connector (8)
Bolt hole (22) and lower steel I-beam bolt hole (32).
5. floor according to claim 1,2,3 or 4 exempts from the twin beams Self-resetting Aseismic Steel Frames of damage, which is characterized in that institute
It states and is provided with frame column edge of a wing preformed hole (11) on frame column (1).
6. floor according to claim 1,2,3 or 4 exempts from the twin beams Self-resetting Aseismic Steel Frames of damage, which is characterized in that institute
It states top flange steel plate (4) and is reserved with bolt hole for being bolted with the top flange of upper steel I-beam (2), lower flange steel plate (5) is reserved
There is longitudinal chute for being bolted with the lower flange of lower steel I-beam (3), top flange steel plate (4) and lower flange steel plate (5) one end are equal
It is welded with frame column (1), being reserved with gap between beam column makes top flange steel plate (4) and one end of lower flange steel plate (5) overhang
Beam section.
7. floor according to claim 1,2,3 or 4 exempts from the twin beams Self-resetting Aseismic Steel Frames of damage, which is characterized in that institute
It states pre- pull rod (7) and is divided into two groups up and down, be respectively arranged at the web position of steel I-beam (2) and lower steel I-beam (3).
8. floor according to claim 1,2,3 or 4 exempts from the twin beams Self-resetting Aseismic Steel Frames of damage, which is characterized in that should
Structure includes being sequentially connected and sharing multiple structural units of a frame column (1) in the vertical direction.
9. floor according to claim 1,2,3 or 4 exempts from the twin beams Self-resetting Aseismic Steel Frames of damage, which is characterized in that should
Structure includes multiple structural units sequentially connected in the horizontal direction, and two adjacent structural units share a frame column (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810521672.5A CN108560709A (en) | 2018-05-25 | 2018-05-25 | A kind of floor exempts from the twin beams Self-resetting Aseismic Steel Frames of damage |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810521672.5A CN108560709A (en) | 2018-05-25 | 2018-05-25 | A kind of floor exempts from the twin beams Self-resetting Aseismic Steel Frames of damage |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109339302A (en) * | 2018-11-12 | 2019-02-15 | 华侨大学 | A kind of steel and aluminum combined unit glass curtain wall |
| CN111608457A (en) * | 2020-05-13 | 2020-09-01 | 重庆大学 | Steel frame with friction energy dissipation self-resetting device in beam |
| CN111636745A (en) * | 2020-06-15 | 2020-09-08 | 南昌大学 | Steel construction is from restoring to throne beam column combination node device |
| CN113123463A (en) * | 2021-04-15 | 2021-07-16 | 重庆大学 | Steel frame capable of recovering energy consumption and enhancing energy consumption capacity |
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| CN106906910A (en) * | 2017-03-28 | 2017-06-30 | 华侨大学 | A kind of frame structure with runback bit function |
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| CN103088917B (en) * | 2013-02-05 | 2015-10-28 | 北京建筑大学 | There is after a kind of shake the novel prefabricated prestress steel frame structure system of Self-resetting function |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109339302A (en) * | 2018-11-12 | 2019-02-15 | 华侨大学 | A kind of steel and aluminum combined unit glass curtain wall |
| CN109339302B (en) * | 2018-11-12 | 2023-11-21 | 华侨大学 | Steel-aluminum combined unit type glass curtain wall |
| CN111608457A (en) * | 2020-05-13 | 2020-09-01 | 重庆大学 | Steel frame with friction energy dissipation self-resetting device in beam |
| CN111636745A (en) * | 2020-06-15 | 2020-09-08 | 南昌大学 | Steel construction is from restoring to throne beam column combination node device |
| CN113123463A (en) * | 2021-04-15 | 2021-07-16 | 重庆大学 | Steel frame capable of recovering energy consumption and enhancing energy consumption capacity |
| CN113123463B (en) * | 2021-04-15 | 2022-11-29 | 重庆大学 | Steel frame capable of recovering energy consumption and enhancing energy consumption capacity |
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