CN108005251A - A kind of assembled angle brace carrying energy dissipation brace and its construction method - Google Patents
A kind of assembled angle brace carrying energy dissipation brace and its construction method Download PDFInfo
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- CN108005251A CN108005251A CN201810078981.XA CN201810078981A CN108005251A CN 108005251 A CN108005251 A CN 108005251A CN 201810078981 A CN201810078981 A CN 201810078981A CN 108005251 A CN108005251 A CN 108005251A
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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
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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
- E04H9/027—Preventive constructional measures against earthquake damage in existing buildings
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Abstract
A kind of assembled angle brace carrying energy dissipation brace and its construction method, carrying energy dissipation brace includes energy dissipation brace connection steel component palette, energy consumption band steel plate and out of plane constraint steel plate set, energy dissipation brace connection steel component includes transverse slat and portion's plate, the upper end of energy consumption band steel plate is fixed with transverse part, the lower end of energy consumption band steel plate is fixed with vertical part, the middle part of out of plane constraint steel plate set is provided with cavity space, energy consumption band steel plate is inserted into the cavity space, and out of plane constraint steel plate set is connected steel component with energy dissipation brace and is reserved with energy consumption displacement gaps.One aspect of the present invention consumes energy, and on the other hand prevents beam from dropping, and when presstressed reinforcing steel fails in beam, shearing resistance support plate can undertake the shearing transmitted on beam, and second defence line is provided for structure.A support or multiple supports can be used in a bean column node, multiple supports can be considered parallel system when working together.This be supported on after shake when replacing facilitate it is rapid, there is provided restorability after preferable shake.
Description
Technical field
The invention belongs to Structural Engineering cushion technique field, particularly a kind of subtracting using metal yield dissipation vibrational energy
Shake device and its construction method.
Background technology
With the development of the times, people increasingly pay attention to earthquake.So in recent years for the Aseismatic Design method of structure
Quickly grow.Structure passes through the energy introduced frequently with some mechanical device dissipation geological processes, main supporting member is not occurred
The damage that can not be born.The damping device used at present in structure can be mainly divided into passive control, semi- active control, actively control
System and mixing control are several.Wherein, since passive control technology simple structure is reliable, energy-dissipating property is stable, cheap, maintenance
Conveniently it is widely used in engineering construction, or among the antidetonation or wind resistance for improving existing old buildings.Structure
Passive energy-dissipating and shock-absorbing technology refer to set energy-consuming device at some positions of structure, such as damper is produced by energy-consuming device
Raw friction, bending, elastoplasticity hysteresis deformation dissipate or absorb the energy in Seismic input structure, to reduce agent structure
Earthquake response, so as to avoid structure main member from producing destruction, causes structural collapse, achievees the purpose that shockproof control.Knot at present
The passive energy-consumption shock-absorption device used in structure system can be divided mainly into：Viscous damper, metal damper, viscoelastic damper with
And frcition damper.
Wherein, metal damper is simple with its mechanical characteristic, and rigidity Design is convenient, and final product form is changeable, processing request compared with
For the simple generally favor for being subject to people, high initial stiffness ensure that structure has under small shake effect and wind action
The deformation of enough rigidity limiting structures is prepared enough, less yield displacement ensures that it is same in cast-in-place or prefabricated reinforced concrete structure
Sample can be promoted well.Last century, fabricated construction was once carried out in China, and the beam column of this structure uses prestressing force more
Muscle connects.But this presstressed reinforcing steel fabricated construction energy dissipation capacity under geological process is relatively low, pass through the deformation of structure itself
Less seismic energy can be consumed, it is low compared with the ability of macrolesion without occurring that structure bears earthquake.This fabricated construction at the same time
Beam-ends is easy to plastic hinge occur to make the too early conquassation of beam-ends concrete, concrete conquassation since contact surface is smaller under geological process
The back rest has the danger dropped, and causes economic loss and casualties.It is a kind of advanced think of to carry out seismic hardening using damper
Think, but conventional damper is oversized, takes space, and the transformation particularly with old building is particularly disadvantageous.
The content of the invention
The object of the present invention is to provide a kind of assembled angle brace carrying energy dissipation brace and its construction method, existing gold is solved
It is oversized to belong to damper, takes space, particularly with the particularly disadvantageous technical problem of the transformation of old building.
To achieve the above object, the present invention adopts the following technical scheme that：
A kind of assembled angle brace carries energy dissipation brace, is fixedly connected at the connecting node oxter of structural column and structural beams, including
The energy dissipation brace being centrally located along the width of structural beams or structural column connects steel component, the energy dissipation brace connection component bag
Including transverse part and vertical part, the downside surface of transverse part and structural beams connects, and the inner surface of vertical part and structural column connects,
The assembled angle brace carrying energy dissipation brace further includes energy consumption band steel plate and out of plane constraint steel plate set,
The energy consumption band steel plate is in the plane where angularly disposed, vertical connection nodes at connecting node oxter, energy consumption band
The upper surface of steel plate is fixedly connected on the downside surface of transverse part, and the lower end of energy consumption band steel plate is fixedly connected on the inner side of vertical part
On surface,
The energy consumption band steel plate has the opposite energy consumption section inside contracted of both sides size, and the horizontal evagination in middle part for the section that consumes energy forms one
A limit protrusion, the height of limit protrusion are less than the outer edge of full size,
Middle part, the angularly disposed direction of edge energy consumption band steel plate of the out of plane constraint steel plate set are elongated to have receiving energy consumption band
The cavity space of steel plate, the energy consumption band steel plate are inserted into the cavity space, and the size of cavity space is to ensure the band that consumes energy
It is reserved between four sides of steel plate and four sides of cavity space subject to gap,
The longitudinal direction side section of the out of plane constraint steel plate set is trapezoidal, and the longitudinal size of out of plane constraint steel plate set is less than energy consumption band
The longitudinal size of steel plate, the bottom face of out of plane constraint steel plate set is parallel with vertical part, is reserved between the two between one of energy consumption displacement
Gap, the top end face of out of plane constraint steel plate set is parallel with transverse part, is also reserved with one of energy consumption displacement gaps between the two,
The position of interior, the corresponding limit protrusion of the cavity space is fixedly connected spacing equipped with the inner wall with out of plane constraint steel plate set
In device, the limiter and energy consumption band steel plate are generally aligned in the same plane, the thickness of the limiter is equal to the thickness of cavity space,
The side wall of the limiter is equipped with the recess being adapted with limit protrusion, which holds out against with limit protrusion.
The energy dissipation brace connection steel component includes anti-shear steel plate and support junction steel plate,
The anti-shear steel plate includes shearing resistance transverse slat and shearing resistance riser, and the uper side surface of shearing resistance transverse slat is close to the downside table of structural beams
Face, the outboard end of shearing resistance transverse slat connect bolt by anti-shear steel plate structure and are fixedly connected with structural beams；The outside of shearing resistance riser
Surface is close to the inner surface of structural column, and the bottom of shearing resistance riser connects bolt by anti-shear steel plate structure and consolidates with structural column
Fixed connection,
The support junction steel plate includes connection transverse slat and connection riser, and the uper side surface for connecting transverse slat is close to shearing resistance transverse slat
Downside surface, connection transverse slat are fixedly connected by connecting bolt between plate with shearing resistance transverse slat；The outer surface of connection riser is close to
The inner surface of shearing resistance riser, connection riser are fixedly connected by connecting bolt between plate with shearing resistance riser,
The transverse part is made of shearing resistance transverse slat and connection transverse slat, and the vertical part is made of shearing resistance riser and connection riser.
Two end faces of the energy consumption band steel plate are respectively with being connected transverse slat and connection riser welding.
The anti-shear steel plate is two blocks of yi word pattern plates or integrally formed gusset, and the support junction steel plate is two piece of one word
Template, connects that bolt is uniformly distributed on support junction steel plate, and the anti-shear steel plate structure connection bolt is distributed in shearing resistance between the plate
Two of steel plate longitudinal direction connect the both sides of bolt between edge, plate.
The out of plane constraint steel plate set by with the use of lower constraint frid and it is upper constraint cover board snapping form, lower restraint slot
Cavity space is formed between plate and upper constraint cover board, the lower constraint frid includes ledge plate and trough floor, upper constraint cover board
Two edge connect bolt by restraining plate with ledge plate and are fixedly connected, and the lower constraint frid and upper constraint cover board are with respect to sandwiched
Energy consumption band steel plate both sides,
Two end faces up and down of the lower constraint frid are lower constraint frid angled end-face, and two end faces up and down of upper constraint cover board are
Upper constraint cover board angled end-face, the lower constraint frid angled end-face of the same side are concordant with upper constraint cover board angled end-face.
The madial wall of the ledge plate is equipped with ledge plate madial wall set screw, and the upside of trough floor is equipped with trough floor
Side positioning screw, the downside of upper constraint cover board are equipped with set screw on the downside of cover board, the ledge plate madial wall set screw, slot bottom
Set screw and cover board downside set screw withstand on longitudinal both sides, downside and the upside of energy consumption band steel plate respectively on the upside of plate, with
Ensure that energy consumption band steel plate reserves the gap of energy consumption band steel plate deformed at the geometric center of cavity space.
The limiter is flat piece of the integrally formed steel of strip, including two limits that the side of main body and main body is outwardly
Position gear it is convex, form recess between two limiting blocks are convex, positioned at the convex outside of limiting block two main bodys end respectively by spacing
Device connection bolt is fixedly connected with the side wall of ledge plate.
The energy consumption band steel plate is in integrally the two-way axial symmetry of dog bone type transverse and longitudinal, and Oblique 45 Degree is set at connecting node oxter
Put, including in the energy consumption section at middle part, the ascending connection energy consumption section of elastic connection section, the size at both ends and elastic connection section
The constraint changeover portion and the limit protrusion of the middle part evagination for the section that consumes energy that concave arc shape smoothly transits.
Permission maximum displacement of the extreme displacement of the assembled angle brace carrying energy dissipation brace no more than energy consumption displacement gaps.
A kind of construction method of assembled angle brace carrying energy dissipation brace, construction procedure are as follows：
Step 1, according to the size for calculating the assembled angle brace carrying energy dissipation brace for needing to set at design connecting node oxter；
Step 2, in factory process energy dissipation brace connection steel component, energy consumption band steel plate, out of plane constraint steel plate set and limiter；
Step 3, by limiter be assembled into out of plane constraint steel plate set in, energy consumption band steel plate be also loaded onto out of plane constraint steel plate set in,
Cavity space is inserted into, recess aligns installation with limit protrusion, then assembling out of plane constraint steel plate set, it is sleeved on the bar strip that consumes energy
The outside of plate；
Step 4, the downside of the top end face for the band steel plate that consumes energy and transverse part is welded, by the bottom face for the band steel plate that consumes energy with erecting
The inner side welding in portion, out of plane constraint steel plate set are connected steel component with energy dissipation brace and expose energy consumption displacement gaps respectively up and down；
Step 5, construction site is transported to by the assembled angle brace made carrying energy dissipation brace；
Transverse part, is fixedly connected on the bottom of structural beams by step 6, and vertical part is fixedly connected on to the inside portion of structural column.
In the step 3, out of plane constraint steel plate set includes the lower constraint frid of connection（2）With upper constraint cover board（3）, first
Limiter is connected bolt by limiter to be fixedly connected with lower constraint frid, energy consumption band steel plate is then put into lower restraint slot
In steel plate, limit protrusion insertion recess, then again covers upper constraint cover board, and finally lower constraint frid and upper constraint cover board pass through
Restraining plate connection bolt tightens fixation.
Compared with prior art the invention has the characteristics that and beneficial effect：
The invention discloses a kind of assembled angle brace to carry energy dissipation brace, on the one hand undertakes vertical shear using its bearing capacity,
Form the second defence line for undertaking vertical load；On the other hand, in coming earthquake, support enters energy consumption state, can dissipate
A large amount of seismic energies, so as to there is good control effect to seismic structural response.At the same time in order to avoid the interference to space,
Select the oxter between beam column to increase the device, so as to form plastic hinge region effective and that energy consumption is full, set carrying out structure
Timing can use existing design specification and design software to be calculated, easy to promote.Seismic energy of the invention by building structure
Consumed by energy dissipation brace, reduce the earthquake stress suffered by primary structure, avoid overall structure from damaging, while reduce agent structure
The destruction of concrete component, the shock resistance of lift structure entirety, can be convenient for changing after shake, or even due to support after small shake
Be introduced into plasticity can not have to replace, make building structure reach shake after function can fast quick-recovery, reduce economic loss.
The energy dissipation brace of the present invention uses metal construction, its mechanical characteristic is simple, and design is convenient, and final product form is changeable,
Processing request is relatively simple, and it is enough firm that high initial stiffness ensure that structure possesses under small shake effect and wind action
The deformation of limiting structure is spent, less yield displacement ensures that it can equally be obtained in cast-in-place or prefabricated reinforced concrete structure
Promote well.The device volume is small, light-weight, easy to construct.The present apparatus is also applied for prestressing force fabricated construction system
Seismic hardening.
The present invention can be used as building element design and installation in the structure；Or the seismic hardening of built structures.
The device utilizes beam-ends corner, deforms upon energy dissipation brace, and Wasted-energy steel plate produces the counter-force opposite with the direction of motion, is consumed
Can, and then displacement of the structure under geological process is reduced, reduce the damage of structure.Add a steel plate respectively on the outside of Wasted-energy steel plate
As out of plane constraint, Wasted-energy steel plate is set to remain to the energy consumption of stabilization when being pressurized.
The elastic connection section section of present invention energy consumption band steel plate is wider, and rigidity is slightly larger, it is ensured that it is connected with energy dissipation brace
Steel component is reliably connected, and energy consumption section is the energy consumption main body of the energy dissipation brace.Limit protrusion is additionally provided with the middle part of energy consumption band steel plate,
There is limiter on top on the outside of limit protrusion, and limit protrusion is limited device when energy dissipation brace deformation is larger and blocks, and consume energy band steel plate
Energy consumption section is divided into two sections using limit protrusion as boundary, energy consumption section consumes energy respectively in the both sides of limit protrusion.
The out of plane constraint steel plate Analysis of Nested Design grooving side board and trough floor of the present invention facilitates the installation of limiter, out of plane constraint steel
Set screw is additionally provided with sleeve-board, ensures the installation site of energy consumption band steel plate.The energy dissipation brace connection steel component that the present invention consumes,
On the one hand the connection of energy consumption band steel plate is provided, on the other hand also provides the shear-carrying capacity of beam, the presstressed reinforcing steel in beam
During failure, energy dissipation brace connection steel component can undertake the shearing transmitted on beam, and second defence line is provided for structure.Due to using
Full assembling structure, this be supported on after shake when replacing facilitate it is rapid, there is provided restorability after preferable shake.
The permission maximum displacement of energy consumption displacement gaps is not to be exceeded in the extreme displacement that the present invention supports, and a floor is built at one
In the rigidity of used all supports can regard the parallel form of single support stiffness as.Support is only provided in elasticity during small shake
The Elasticity performance of supporting beam and bean column node.When middle shake and big shake, support should produce deformation, consume energy into surrender,
Protect agent structure.
The present invention is suitable for prefabricated PC structure, and can easily carry out, to original structure strengthening reconstruction, needing to calculate
The required length of anchor hole, the quantity of crab-bolt and size are to undertake required shearing.
Brief description of the drawings
The present invention will be further described in detail below in conjunction with the accompanying drawings.
Fig. 1 is the structure diagram of the present invention.
Fig. 2 is the structure diagram of anti-shear steel plate.
Fig. 3 is the structure diagram of A-A sections in Fig. 2.
Fig. 4 is the structure diagram of B-B sections in Fig. 2.
Fig. 5 is to cover the structure diagram for carrying out partial side and cuing open at connecting node oxter to out of plane constraint steel plate, and position is cutd open in side
Positioned at gap.
Fig. 6 is to cover the structure diagram for carrying out side and cuing open at connecting node oxter to out of plane constraint steel plate, and side is cutd open position and is located at
At ledge.
Fig. 7 is the structure diagram in D-D sections in Fig. 5.
Fig. 8 is the structure diagram in E-E sections in Fig. 5.
Fig. 9 is the structure diagram that energy consumption band steel plate is only connected in Fig. 5 or Fig. 6.
Figure 10 is the F-F vertical section schematic diagrams of energy consumption band steel plate in Fig. 9.
Figure 11 is that the structure diagram in C-C sections in Fig. 1 is that the structure that energy consumption band steel plate and out of plane constraint steel plate cover is shown
It is intended to.
Figure 12 is the overlooking the structure diagram of lower constraint frid.
Figure 13 is the present invention looks up structural representation of upper constraint frid.
Figure 14 is the G-G cross-sectional views in Figure 12.
Figure 15 is the structure diagram of limiter.
Figure 16 is the side structure schematic view of Figure 15.
Figure 17 is the structure diagram that limiter is installed in Figure 14.
Figure 18 is the overlooking the structure diagram that limiter and the band steel plate that consumes energy are installed in Figure 12.
Reference numeral：Section that 1- energy consumption bands steel plate, 11- elastic connections section, 12- constrain changeover portion, 13- consumes energy,
Constrained under 14- limit protrusions, 2- frid, 21- ledges plate, 22- trough floors, constrain on 3- cover board, 4- cavity spaces,
Bolt, 7- energy consumptions displacement gaps, 8- are connected between 5- supports junction steel plate, 51- connections transverse slat, 52- connections riser, 6- plates
Anti-shear steel plate, 81- shearing resistances transverse slat, 82- shearing resistances riser, 9- anti-shear steel plates structure connection bolt, 10- structural columns, 15- knots
Structure beam, 16- ledge plate madial walls set screw, 17- restraining plates connection bolt, 18- limiters connection bolt, 19- slot bottoms
Constrain that frid angled end-face, 23- limiters, 231- main bodys, 232- limiting blocks be convex, 233- on the upside of plate under set screw, 20-
Constrain to connect between cover board angled end-face, 25- presstressed reinforcing steels, 26- plates on recess, 24- and the is connected between the first bolt hole, 27- plates
Set screw on the downside of two bolts hole, 28- cover boards.
Embodiment
Embodiment is shown in Figure 1, and a kind of beam-to-column joint structure, beam column is connected by presstressed reinforcing steel 25, a kind of assembled
Angle brace carries energy dissipation brace, is fixedly connected at the connecting node oxter of structural column 10 and structural beams 15, including along structural beams 15
Or the energy dissipation brace connection steel component that the width of structural column 10 is centrally located, the energy dissipation brace connection component include transverse part
And vertical part, transverse part are connected with the downside surface of structural beams 15, vertical part is connected with the inner surface of structural column 10.
Shown in Figure 1, the energy dissipation brace connection steel component includes anti-shear steel plate 8 and support junction steel plate 5.
Referring to shown in Fig. 1-4, the anti-shear steel plate 8 includes shearing resistance transverse slat 81 and shearing resistance riser 82, shearing resistance transverse slat 81 it is upper
Side surface is close to the downside surface of structural beams 15, and the outboard end of shearing resistance transverse slat 81 connects bolt 9 by anti-shear steel plate structure
It is fixedly connected with structural beams 15；The outer surface of shearing resistance riser 82 is close to the inner surface of structural column 10, shearing resistance riser 82
Bottom connects bolt 9 by anti-shear steel plate structure and is fixedly connected with structural column 10.
Referring to shown in Fig. 1-9, the support junction steel plate 5 includes connection transverse slat 51 and connection riser 52, connects transverse slat 51
Uper side surface be close to the downside surface of shearing resistance transverse slat 81, connection transverse slat 51, which passes through, connects bolt 6 and shearing resistance transverse slat 81 between plate
It is fixedly connected；The outer surface of connection riser 52 is close to the inner surface of shearing resistance riser 82, and connection riser 52 between plate by connecting
Connecting bolt 6 is fixedly connected with shearing resistance riser 82.It is provided with shearing resistance transverse slat 81 and shearing resistance riser 82 and is passed through for connecting bolt 6 between plate
Plate between connect the first bolt hole 26, connect transverse slat 51 and connect the plate for being provided with riser 52 and being passed through for connecting bolt 6 between plate
Between connect the second bolt hole 27.
The transverse part is made of shearing resistance transverse slat 81 and connection transverse slat 51, and the vertical part is by shearing resistance riser 82 and connection riser 52
Composition.
Referring to shown in Fig. 2-4, the anti-shear steel plate 8 is two blocks of yi word pattern plates or integrally formed gusset, in the present embodiment
The gusset that anti-shear steel plate 8 can be integrally formed, can also use two blocks of yi word pattern plates according to actual conditions.Both compare, angle
Plate can be used as bearing, continue to produce the effect of support beam-ends when beam-ends destroys.
Referring to shown in Fig. 1,5-9, the support junction steel plate 5 is two blocks of yi word pattern plates, and connecting bolt 6 between the plate is propping up
Support and be evenly distributed with junction steel plate, the anti-shear steel plate structure connection bolt 9 is distributed in two of the longitudinal direction of anti-shear steel plate 8 between edge, plate
Connect the both sides of bolt 6.
Referring to shown in Fig. 5-9, the assembled angle brace carrying energy dissipation brace further includes energy consumption band steel plate 1 and out of plane constraint
Steel plate set.
It is shown in Figure 9,1 angularly disposed at connecting node oxter, the vertical connection nodes institute of energy consumption band steel plate
Plane, the upper surface of energy consumption band steel plate 1 is fixedly connected on the downside surface of transverse part, the lower end of energy consumption band steel plate 1
It is fixedly connected on the inner surface of vertical part.Two end faces of the energy consumption band steel plate 1 are respectively with being connected transverse slat 51 and connection
Riser 52 welds.
Shown in Figure 10, the overall energy consumption band steel plate 1 is in the two-way axial symmetry of dog bone type transverse and longitudinal, and cross section is square
Shape.Oblique 45 Degree is set at connecting node oxter, including the on both sides of the middle size opposite energy consumption section 13 inside contracted, both ends
The constraint that the concave arc of the ascending connection energy consumption section 13 of elastic connection section 11, size and elastic connection section 11 smoothly transits
Cross the limit protrusion 14 of the horizontal evagination in middle part of section 12 and the section 13 that consumes energy.The height of limit protrusion 14 is less than elastic connection section 11
Outer edge.
Shown in Figure 11, middle part, the angularly disposed direction of edge energy consumption band steel plate 1 of the out of plane constraint steel plate set lead to
It is long to be inserted into the cavity space 4 for accommodating energy consumption band steel plate, the energy consumption band steel plate 1 in the cavity space 4, cavity space
4 size using ensure to consume energy be reserved between four sides of band steel plate 1 and four sides of cavity space 4 gap as
It is accurate.According to Impact direction, in reserved gap, the gap relative narrower of upper and lower side, the gap of the left and right sides is relatively wide.
Shown in Figure 6, the longitudinal direction side section of the out of plane constraint steel plate set is trapezoidal, the longitudinal direction of out of plane constraint steel plate set
Size is less than the longitudinal size of energy consumption band steel plate, and the bottom face of out of plane constraint steel plate set is parallel with vertical part, reserves between the two
There is one of energy consumption displacement gaps 7, the top end face of out of plane constraint steel plate set is parallel with transverse part, is also reserved with one of energy consumption between the two
Displacement gaps 7.Permission dominant bit of the extreme displacement of the assembled angle brace carrying energy dissipation brace no more than energy consumption displacement gaps
Move.Beam-ends, which rotates, when allowing maximum displacement, that is, frame structure destroyed is deformed, and the setting size in the gap is become with beam
It can not be touched after shape subject to assembled angle brace carrying energy dissipation brace.
Referring to shown in Fig. 6 and Figure 11, the out of plane constraint steel plate set by with the use of lower constraint frid 2 and upper constraint cover
3 snapping of plate forms, and cavity space 4 is formed between lower constraint frid 2 and upper constraint cover board 3, and the lower constraint frid 2 includes ledge
Plate 21 and trough floor 22, two edge of upper constraint cover board 3 connect bolt 17 by restraining plate with ledge plate 21 and are fixedly connected, institute
State lower constraint frid 2 and the opposite both sides for being folded in energy consumption band steel plate 1 of upper constraint cover board 3.
Referring to shown in Figure 11-12, two end faces up and down of the lower constraint frid 2 are lower constraint frid angled end-face 20.Ginseng
As shown in Figure 13, two end faces up and down of upper constraint cover board 3 are upper constraint cover board angled end-face 24, and the lower constraint frid of the same side is oblique
End face 20 is concordant with upper constraint cover board angled end-face 24.
Referring to shown in Figure 12 and Figure 14, the madial wall of the ledge plate 21 is equipped with ledge plate madial wall set screw 16,
The upside of trough floor 22 is equipped with set screw 19 on the upside of trough floor；Shown in Figure 13, the downside of upper constraint cover board 3 is equipped with cover board
Downside set screw 28, the ledge plate madial wall set screw 16, side positioning under set screw 19 and cover board on the upside of trough floor
Screw 28 withstands on longitudinal both sides, downside and the upside of energy consumption band steel plate 1 respectively, to ensure that energy consumption band steel plate 1 is empty in cavity
Between 4 geometric center at reserve energy consumption band steel plate deformed gap.
The setting of all set screws is set according to the shape of energy consumption band steel plate.Such as madial wall set screw 16 is common
Four are set, carries out the spacing of horizontal direction positioned at the both sides of elastic connection section two-by-two.Set screw 19 is set altogether on the upside of trough floor
Six are put, each elastic connection section sets two behind, and energy consumption section is equipped with two behind, and it is vertical to carry out energy consumption band steel plate back
It is spacing.Set screw sets four altogether on the downside of cover board, and each elastic connection section top sets two, carries out energy consumption band steel plate
Vertical spacing in top.
Referring to shown in Figure 15-16, the limiter 23 is flat piece of the integrally formed steel of strip, including main body 231 and main body
Outwardly two limiting blocks convex 232 in 231 side, form recess 233 between two limiting blocks convex 232, referring to Figure 17 institutes
Show, bolt 18 and ledge plate 21 are connected by limiter respectively positioned at the end of two main bodys 231 in convex 232 outside of limiting block
Side wall is fixedly connected.
Referring to shown in Figure 17-18, the position of interior, the corresponding limit protrusion 14 of the cavity space 4 is equipped with and out of plane constraint steel
The limiter 23 that the inner wall of sleeve-board is fixedly connected, the limiter 23 are generally aligned in the same plane interior, the limit with energy consumption band steel plate 1
The thickness of position device 23 is equal to the thickness of cavity space 4, and the side wall of the limiter 23 is equipped with what is be adapted with limit protrusion 14
Recess 233, the recess 233 are held out against with limit protrusion.
The construction method of this assembled angle brace carrying energy dissipation brace, construction procedure are as follows：
Step 1, according to the size for calculating the assembled angle brace carrying energy dissipation brace for needing to set at design connecting node oxter.
Step 2, in factory process energy dissipation brace connection steel component, energy consumption band steel plate 1, out of plane constraint steel plate set and limit
Position device 23.
Step 3, limiter 23 is assembled into out of plane constraint steel plate set, and energy consumption band steel plate 1 is also loaded onto out of plane constraint steel
In sleeve-board, in insertion cavity space 4, recess 233 aligns installation with limit protrusion 14, and then assembling out of plane constraint steel plate set, makes
It is sleeved on the outside of energy consumption band steel plate 1.
Step 4, the downside of the top end face for the band steel plate 1 that consumes energy and transverse part is welded, by the bottom of band steel plate 1 of consuming energy
The inner side of face and vertical part is welded, and out of plane constraint steel plate set is connected steel component with energy dissipation brace and exposes energy consumption displacement gaps respectively up and down
7。
Step 5, construction site is transported to by the assembled angle brace made carrying energy dissipation brace.
Transverse part, is fixedly connected on the bottom of structural beams 15 by step 6, and vertical part is fixedly connected on to the inner side of structural column 10
Portion.
In the step 3, out of plane constraint steel plate set includes the lower constraint frid 2 of connection and upper constraint cover board 3, first will limit
Position device connects bolt by limiter and is fixedly connected with lower constraint frid 2, and energy consumption band steel plate then is put into lower constraint channel steel
In plate 2, limit protrusion 14 is inserted into recess 233, then again covers upper constraint cover board 3, finally lower constraint frid 2 and upper constraint lid
Plate 3 connects bolt 17 by restraining plate and tightens fixation.
Claims (10)
1. a kind of assembled angle brace carries energy dissipation brace, structural column is fixedly connected on（10）With structural beams（15）Connecting node armpit
Lower place, it is characterised in that：Including along structural beams（15）Or structural column（10）Width be centrally located energy dissipation brace connection
Steel component, the energy dissipation brace connection component include transverse part and vertical part, transverse part and structural beams（15）Downside surface connection, vertical part
With structural column（10）Inner surface connection,
The assembled angle brace carrying energy dissipation brace further includes energy consumption band steel plate（1）With out of plane constraint steel plate set,
The energy consumption band steel plate（1）Plane where angularly disposed, vertical connection nodes at connecting node oxter, consume energy bar
Band steel plate（1）Upper surface be fixedly connected on the downside surface of transverse part, consume energy band steel plate（1）Lower end be fixedly connected on it is perpendicular
On the inner surface in portion,
The energy consumption band steel plate（1）With the opposite energy consumption section inside contracted of both sides size（13）, consume energy section（13）The equal water in middle part
Flat evagination forms a limit protrusion（14）, limit protrusion（14）Height be less than full size outer edge,
The middle part of the out of plane constraint steel plate set, edge energy consumption band steel plate（1）Angularly disposed direction it is elongated have accommodate energy consumption
The cavity space of band steel plate（4）, the energy consumption band steel plate（1）It is inserted into the cavity space（4）It is interior, cavity space（4）It is big
It is small with ensure consume energy band steel plate（1）Four sides and cavity space（4）Four sides between be reserved with subject to gap,
The longitudinal direction side section of the out of plane constraint steel plate set is trapezoidal, and the longitudinal size of out of plane constraint steel plate set is less than energy consumption band
The longitudinal size of steel plate, the bottom face of out of plane constraint steel plate set is parallel with vertical part, is reserved between the two between one of energy consumption displacement
Gap（7）, the top end face of out of plane constraint steel plate set is parallel with transverse part, is also reserved with one of energy consumption displacement gaps between the two（7）,
The cavity space（4）Interior, corresponding limit protrusion（14）Position be equipped with out of plane constraint steel plate set inner wall fix connect
The limiter connect（23）, the limiter（23）With the band steel plate that consumes energy（1）In being generally aligned in the same plane, the limiter（23）'s
Thickness is equal to cavity space（4）Thickness, the limiter（23）Side wall be equipped with and limit protrusion（14）Adaptable is recessed
Portion（233）, the recess（233）Held out against with limit protrusion.
2. assembled angle brace according to claim 1 carries energy dissipation brace, it is characterised in that：The energy dissipation brace connects steel
Component includes anti-shear steel plate（8）With support junction steel plate（5）,
The anti-shear steel plate（8）Including shearing resistance transverse slat（81）With shearing resistance riser（82）, shearing resistance transverse slat（81）Uper side surface be close to
In structural beams（15）Downside surface, shearing resistance transverse slat（81）Outboard end pass through anti-shear steel plate structure connect bolt（9）With knot
Structure beam（15）It is fixedly connected；Shearing resistance riser（82）Outer surface be close to structural column（10）Inner surface, shearing resistance riser
（82）Bottom pass through anti-shear steel plate structure connect bolt（9）With structural column（10）It is fixedly connected,
The support junction steel plate（5）Including connecting transverse slat（51）With connection riser（52）, connect transverse slat（51）Uper side surface
It is close to shearing resistance transverse slat（81）Downside surface, connect transverse slat（51）By connecting bolt between plate（6）With shearing resistance transverse slat（81）Gu
Fixed connection；Connect riser（52）Outer surface be close to shearing resistance riser（82）Inner surface, connect riser（52）Pass through plate
Between connect bolt（6）With shearing resistance riser（82）It is fixedly connected,
The energy consumption band steel plate（1）Two end faces respectively with being connected transverse slat（51）With connection riser（52）Welding,
The transverse part is by shearing resistance transverse slat（81）With connection transverse slat（51）Composition, the vertical part is by shearing resistance riser（82）With connection riser
（52）Composition.
3. assembled angle brace according to claim 2 carries energy dissipation brace, it is characterised in that：The anti-shear steel plate（8）For
Two blocks of yi word pattern plates or integrally formed gusset, the support junction steel plate（5）For two blocks of yi word pattern plates, spiral shell is connected between the plate
Bolt（6）Uniformly distributed on support junction steel plate, the anti-shear steel plate structure connects bolt（9）It is distributed in anti-shear steel plate（8）Longitudinal direction
Two connect bolt between edge, plate（6）Both sides.
4. the assembled angle brace carrying energy dissipation brace according to claim 1-3 any one, it is characterised in that：Outside the face
Constrain steel plate set by with the use of lower constraint frid（2）With upper constraint cover board（3）Snapping forms, lower constraint frid（2）With it is upper
Constrain cover board（3）Between form cavity space（4）, the lower constraint frid（2）Including ledge plate（21）And trough floor（22）, on
Constrain cover board（3）Two edge and ledge plate（21）Bolt is connected by restraining plate（17）It is fixedly connected, the lower restraint slot
Plate（2）With upper constraint cover board（3）It is opposite to be folded in energy consumption band steel plate（1）Both sides,
The lower constraint frid（2）Two end faces up and down be lower constraint frid angled end-face（20）, upper constraint cover board（3）Up and down
Two end faces are upper constraint cover board angled end-face（24）, the lower constraint frid angled end-face of the same side（20）With upper constraint cover board angled end-face
（24）Concordantly.
5. assembled angle brace according to claim 4 carries energy dissipation brace, it is characterised in that：The ledge plate（21）It is interior
Side wall is equipped with ledge plate madial wall set screw（16）, trough floor（22）Upside be equipped with trough floor on the upside of set screw
（19）, upper constraint cover board（3）Downside be equipped with cover board on the downside of set screw（28）, the ledge plate madial wall set screw
（16）, set screw on the upside of trough floor（19）With set screw on the downside of cover board（28）Energy consumption band steel plate is withstood on respectively（1）It is vertical
To both sides, downside and upside, to ensure the band steel plate that consumes energy（1）In cavity space（4）Geometric center at reserve energy consumption band
The gap of steel plate deformed.
6. assembled angle brace according to claim 4 carries energy dissipation brace, it is characterised in that：The limiter（23）For bar
Flat piece of the integrally formed steel of shape, including main body（231）And main body（231）Side it is outwardly two limiting blocks it is convex（232）,
Two limiting blocks are convex（232）Between form recess（233）, it is convex positioned at limiting block（232）Two main bodys in outside（231）End
Bolt is connected by limiter respectively（18）With ledge plate（21）Side wall be fixedly connected.
7. the assembled angle brace carrying energy dissipation brace according to claim 1-3,5-6 any one, it is characterised in that：It is described
Consume energy band steel plate（1）Overall is in the two-way axial symmetry of dog bone type transverse and longitudinal, and Oblique 45 Degree is set at connecting node oxter, including in
The energy consumption section in portion（13）, both ends elastic connection section（11）, size it is ascending connection energy consumption section（13）With elastic connection section
（11）The constraint changeover portion that smoothly transits of concave arc（12）And energy consumption section（13）Middle part evagination limit protrusion（14）.
8. the assembled angle brace carrying energy dissipation brace according to claim 1-3,5-6 any one, it is characterised in that：It is described
Permission maximum displacement of the extreme displacement of assembled angle brace carrying energy dissipation brace no more than energy consumption displacement gaps.
9. a kind of construction method of assembled angle brace carrying energy dissipation brace according to claim 4-8 any one, it is special
Sign is that construction procedure is as follows：
Step 1, according to the size for calculating the assembled angle brace carrying energy dissipation brace for needing to set at design connecting node oxter；
Step 2, in factory process energy dissipation brace connection steel component, energy consumption band steel plate（1）, out of plane constraint steel plate set and it is spacing
Device（23）；
Step 3, by limiter（23）With energy consumption band steel plate（1）It is assembled into out of plane constraint steel plate set, its center dant（233）
With limit protrusion（14）Alignment installation；
Step 4, by the band steel plate that consumes energy（1）Top end face and transverse part downside weld, by consume energy band steel plate（1）Bottom
The inner side of face and vertical part is welded, and out of plane constraint steel plate set is connected steel component with energy dissipation brace and exposes energy consumption displacement gaps respectively up and down
（7）；
Step 5, construction site is transported to by the assembled angle brace made carrying energy dissipation brace；
Step 6, structural beams are fixedly connected on by transverse part（15）Bottom, vertical part is fixedly connected on structural column（10）Inner side
Portion.
10. the construction method of assembled angle brace carrying energy dissipation brace according to claim 9, it is characterised in that：The step
In rapid three, out of plane constraint steel plate set includes the lower constraint frid of connection（2）With upper constraint cover board（3）, limiter is first passed through into limit
Position device connection bolt and lower constraint frid（2）It is fixedly connected, energy consumption band steel plate is then put into lower restraint slot steel plate（2）It is interior,
Limit protrusion（14）It is inserted into recess（233）, then again by upper constraint cover board（3）Cover, finally lower constraint frid（2）With upper constraint
Cover board（3）Bolt is connected by restraining plate（17）Tighten fixation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810078981.XA CN108005251B (en) | 2018-01-26 | 2018-01-26 | Assembled corner support bearing energy dissipation support and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810078981.XA CN108005251B (en) | 2018-01-26 | 2018-01-26 | Assembled corner support bearing energy dissipation support and construction method thereof |
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| Publication Number | Publication Date |
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| CN108005251A true CN108005251A (en) | 2018-05-08 |
| CN108005251B CN108005251B (en) | 2023-09-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810078981.XA Active CN108005251B (en) | 2018-01-26 | 2018-01-26 | Assembled corner support bearing energy dissipation support and construction method thereof |
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| CN108756409A (en) * | 2018-05-28 | 2018-11-06 | 昆明理工大学 | A kind of anti-seismic structure improving reinforced concrete frame endurance and stiffness and energy consumption |
| CN112922210A (en) * | 2021-01-27 | 2021-06-08 | 江苏海洋大学 | Connecting device for self-resetting anti-side frame and floor slab |
| CN116657759A (en) * | 2023-07-31 | 2023-08-29 | 中建安装集团有限公司 | Assembled building steel structure connecting member and use method thereof |
| CN116657770A (en) * | 2023-07-31 | 2023-08-29 | 中建安装集团有限公司 | Assembly building connecting device with damping function and application method thereof |
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