CN106812366A - A kind of assembled Self-resetting energy dissipation brace structure - Google Patents
A kind of assembled Self-resetting energy dissipation brace structure Download PDFInfo
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- CN106812366A CN106812366A CN201710125651.7A CN201710125651A CN106812366A CN 106812366 A CN106812366 A CN 106812366A CN 201710125651 A CN201710125651 A CN 201710125651A CN 106812366 A CN106812366 A CN 106812366A
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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
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/98—Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
Abstract
A kind of assembled Self-resetting energy dissipation brace structure, including mild steel, steel plate long, the first connecting plate, the second connecting plate, interior channel-section steel, outer channel-section steel, solid cable fixing plate, connection otic placode, fixed charge method end plate, rope, fixture and anchor slab.First by the first connecting plate, second connecting plate is welded to connect with mild steel plate and steel plate long, by the connection otic placode, fixed rope plate weld is in outer channel-section steel specified location, baffle plate or ribbed stiffener are welded on interior channel-section steel, the fixing end of outer channel-section steel, mild steel plate and interior channel-section steel are welded into bolt in the right direction again assembled, steel plate long is installed with interior channel-section steel by bolted-on, then outer channel-section steel is arranged in interior channel-section steel outside, the rope of the Self-resetting system is finally sequentially passed through into solid cable fixing plate, the perforate of fixed charge method end plate, fixed charge method end plate is tightly pressed against outer channel-section steel two ends by applying prestressing force, side tension cords are simultaneously anchored on anchor slab with fixture, complete the assembly of support.The present invention realizes assembling and industrialization, and quick, power consumption environmental protection, economic high-strength, production efficiency are high.
Description
Technical field
The present invention relates to a kind of assembled Self-resetting energy dissipation brace, belong to steel construction applied technical field.
Background technology
In current multi and tall steel building, framework-Bracing Systems are one of most widely used structural system.As
A kind of more new building type, framework-supporting construction has excellent anti-seismic performance, and earthquake resistance and prevention work is carried out to China
Make significant.When geological process occurs, bracing members can undertake most of horizontal shear, reduce integrally-built horizontal position
Move.
Traditional generic central is susceptible to lateral buckling under being supported on horizontal earthquake action, particularly in reciprocal level
Under geological process, when being forced into elastic-plastic range for structure, the shear resistance and lateral rigidity of floor drastically decline, easily lead
Cause structure that overall collapse destruction occurs；In traditional eccentrically braces structure system, because active beam link plastic deformation is larger,
Extremely difficult reparation after shake.Traditional curvature-prevention support component is the lateral resisting energy-consumption shock-absorption device being applied in Multistory-tall building,
Under middle shake or big shake effect, curvature-prevention support component can realize that total cross-section is fully surrendered, and occurs without support structure again in tension and compression
Entirety or the local buckling destruction of part, make to be changed into only anti-buckling by the power consumption mode of agent structure beam-ends plastic hinge originally
Power consumption is concentrated in support member, so as to preferably protect agent structure；But under big shake effect, the remnants of anti-buckling support
Deformation is larger, and corresponding overall structure residual deformation is also larger.
Therefore, buckling support is put there has been proposed Self-resetting, it is constituted including peripheral constraint component substantially, kernel mechanism,
Self-resetting mechanism and energy consuming mechanism, wherein Self-resetting mechanism are typically made up of memorial alloy or prestressed draw-bar, and energy consuming mechanism is then
Mainly there are two kinds of friction energy-dissipating and mild-steel energy-consumption.Although existing self reset curvature-prevention support realizes residual deformation after reduction shake
Purpose, but generally require to change whole support, and steel after shake using incomplete, it is impossible to play support performance completely,
It is inconvenient not only to construct, and wastes steel, and rehabilitation cost is also higher.
The content of the invention
The present invention proposes a kind of assembled Self-resetting energy dissipation brace based on mild-steel energy-consumption.The purpose is at least one
In determining to be solved the problems, such as in degree background technology：Traditional anti-buckling support and existing self reset curvature-prevention is supported on work
When, the elongated arrangement of energy-consuming parts such as mild steel, using not exclusively causing waste of material and mild steel is difficult to surrender；Needed when being repaired after shake
Whole support is changed, rehabilitation cost is higher.
Technical scheme is as follows：
A kind of assembled Self-resetting energy dissipation brace structure, it is characterised in that：Including mild steel (1), steel plate long (2), first connection
Plate (3), the second connecting plate (4), interior channel-section steel (5), outer channel-section steel (6), solid cable fixing plate (7), connection otic placode (8), fixed charge method end plate (9), rope (10), folder
(11) with anchor slab (12) tool.
The mild steel (1) (5) weld with interior channel-section steel by one end, and bolted-on is used in centre position (5) with interior channel-section steel, and described first connects
Fishplate bar (3), the second connecting plate be (4) welded in mild steel (1) same one end, (1) width, thickness direction are vertical with mild steel respectively；
(2) the steel plate long is arranged in interior channel-section steel (5) fixing end, is (5) fixed with bolt with interior channel-section steel, keeps synchronous regime, only
Only as interior channel-section steel and the connector of building；
(6) the outer channel-section steel is arranged in interior channel-section steel (5) outside, and (7) along outer channel-section steel, (6) length direction is equidistant for the solid cable fixing plate
It is welded in inside it, (8) along outer channel-section steel, (6) length direction is equidistantly welded the connection otic placode, and the fixed charge method end plate is (9) by applying
Prestressed Self-resetting system is tightly pressed against outer channel-section steel two ends (6)；The rope (10) initially pass through solid cable fixing plate (7), fixed charge method end plate (9)
(11) after-applied prestressed stretch-draw is anchored at anchor slab by fixture and (12) gone up.
Further, supporting construction (1) produced by mild steel plastic deformation and mild steel (1) with interior channel-section steel Relative friction (5) and consume
Can, original state is returned to by Self-resetting system；(1) the mild steel be only arranged in interior channel-section steel and (5) open rectangular channel i.e. sliding-end,
(5) one end welds with interior channel-section steel, and (5) centre position grooved bore is bolted with interior channel-section steel；Mild steel (1) relative to elongated arrangement,
Under same stretch or compression displacement, (1) overall strain reaches more than the three times of elongated arrangement mild steel, mild steel is (1) reached surrender, enters
And fast onset power consumption is acted on.
(1) mild steel be the steel that a kind of phosphorus content is low, hardness is small, have sharp yield point, is industry universal technical term.
Further, the interior channel-section steel arranges gusset plate (5) without core area, is bolted.
Further, the interior channel-section steel is (5), (6) fixing end arranges baffle plate or ribbed stiffener to outer channel-section steel, prevents the first connecting plate from extruding
Rectangle elongated slot.
Further, (5) fixing end corresponds to outer channel-section steel (6) sliding-end to the interior channel-section steel, and (5) sliding-end corresponds to outward interior channel-section steel
Channel-section steel (6) fixing end；Supporting construction by the first connecting plate (3), (4) the second connecting plate be connected with building.
(1) one end is welded in interior channel-section steel (5) cutting elongated groove hole one end to the mild steel, and (1) (3) first connecting plate be welded in mild steel
The other end, (1) width is in 90 ° with mild steel, and (4) second connecting plate is welded in the mild steel (1) other end, perpendicular to mild steel (1)
Thickness direction；(5) (2) the steel plate long opened shorter slotted eye one end with interior channel-section steel and be joined with bolts, and first connecting plate is (3)
Steel plate long (2) one end is welded in, (1) width is in 90 ° with mild steel, and (4) second connecting plate is welded in steel plate long (2) one end,
Perpendicular to mild steel (1) thickness direction；(6) the outer channel-section steel is provided with long slot bore in two ends, is arranged in interior channel-section steel (5) outside, the fixed rope
(7) along outer channel-section steel, (6) length direction is equidistantly welded in inside it plate, and the connection otic placode is (8) along between outer channel-section steel (6) length direction etc.
Away from welding, (9) the fixed charge method end plate is tightly pressed against outer channel-section steel two ends (6) by applying prestressed Self-resetting system；The rope is (10)
Initially pass through solid cable fixing plate (7), (9) (11) after-applied prestressed stretch-draw is anchored at anchor slab by fixture and (12) goes up fixed charge method end plate.
(1) the mild steel be welded in interior channel-section steel (5) cutting elongated groove hole one end, mild steel (1) cutting elongated groove hole in the middle of web, for it is interior
(5) channel-section steel is bolted, and (5) limits mild steel compressive buckling (1) and can have certain frictional slip so as to reach interior channel-section steel
Purpose, (1) (1) length direction is parallel with mild steel in institute's cutting elongated groove hole for mild steel, long slot bore can single row or multiple rows, single-row or dually arrayed,
(1) length depends on support energy consumption size for concrete arrangement and mild steel；(2) the steel plate long is provided with bolt hole at web, and interior
(5) channel-section steel bolts fixation, can single row or multiple rows, single-row or dually arrayed, steel plate long (2) length and the first connecting plate (3), second connect
Fishplate bar is (4) isometric；First connecting plate is (3), (4) one end is provided with bolt hole to the second connecting plate, is connected with building, when applying is drawn
When power and pressure, (1) mild steel be stretched to produce and be plastically deformed and dissipation energy；The interior channel-section steel (5) with mild steel (1), steel plate long it is (2) right
It is provided with corresponding bolt hole in the middle of the web that should locate, (5) height is with mild steel (1) or steel plate long width (2) is equal, elongated for interior channel-section steel
Arrangement, for limiting mild steel lateral buckling (1), (5) interior channel-section steel is arranged gusset plate, is connected by bolt in centre without core area
Connect；(5) two ends are provided with rectangle elongated slot to interior channel-section steel but length is different, and shorter one end is fixing end, so that in support tension and compression movement
During, (5) (2) steel plate long keep synchronizing moving with interior channel-section steel, and the other end is sliding-end, soft in making support tension and compression moving process
(1) steel can stretch sliding, and the width of rectangle elongated slot should be than the first connecting plate (3) big 1-2mm of thickness, with convenient for assembly；Interior channel-section steel
(5) the length that the length of the rectangle elongated slot of fixing end should be with the first connecting plate (3) is identical or bigger, it is possible to which selection is in rectangle elongated slot
Top baffle plate or ribbed stiffener is set to prevent the first connecting plate during support tension and compression from (3) extruding rectangle elongated slot, cause rectangle elongated slot
Destruction, and the length of the rectangle elongated slot of sliding-end should be than the first connecting plate length (3) and the displacement sum of maximum when supporting compression
Bigger, i.e., Relative sliding that should be to mild steel (1) with interior channel-section steel (5) leaves a certain distance.
The upper and lower major 2-5mm of height of the outer channel-section steel interior groove height (6) than interior channel-section steel (5), length is than interior channel-section steel (5)
The big 2-5mm of length, convenient to install and assemble, outer channel-section steel interior well width (6) should be slightly bigger than the half of power consumption kernel width, i.e.,
Ensure that (6) two outer channel-section steels can encase power consumption kernel；Outer channel-section steel two end webs (6) open rectangular channel, wherein with interior channel-section steel (5)
Rectangular channel more long is opened in the corresponding one end of fixing end, and its length is maximum when should be pressurized than the first connecting plate length (3) and support
Displacement sum it is bigger；(5) shorter rectangular channel is opened with interior channel-section steel in the corresponding one end of sliding-end, its length should be with the first connecting plate
(3) length is identical or bigger, the bigger 1-2mm of width that the width of rectangular channel should be than the first connecting plate (3), with convenient for assembly；Outward
Gap is answered on the edge of a wing side at channel-section steel (6) two ends, and the length of its edge of a wing side breach is identical with the web rectangle slot length of corresponding end, the wing
The width of rim breach should be than the bigger 1-2mm of half of the second connecting plate (4) width, with convenient for assembly；(6) outer channel-section steel opens shorter square
One end of shape groove, can select to set baffle plate or ribbed stiffener on the top of web rectangular channel and edge of a wing breach to prevent support from drawing
The first connecting plate is (3) or (4) the second connecting plate extrudes rectangular channel during pressure, causes rectangular channel destruction；The solid cable fixing plate height (7) should
Less than interior channel-section steel interior groove height (5), it is ensured that (7) solid cable fixing plate can be placed in interior channel-section steel groove (5) during assembling, Gu cable fixing plate
(7) rope hole is provided with, and the size in rope hole, number and shape depend on rope specification, size (10)；The connection otic placode (8) on be provided with
Bolt hole, for the outer channel-section steel of fixation (6).
The rope (10), fixture (11) (12) constitute Self-resetting system with anchor slab, the Self-resetting system be used for pulling force to external world or
The power consumption kernel that (5) (1) the mild steel of the lower displacement of pressure effect constitute with interior channel-section steel is resetted.(10) the rope can use steel strand wires
Rope, hawser and steel wire cable；The fixture (11) should be (10) corresponding with the rope, and (10) rope is anchored at into anchor slab outside (12)；It is described
(12) anchor slab is provided with rope (10) hole, and, preferably than the rope (10) big 1-2mm, position should be (10) corresponding with the rope for the size in rope (10) hole.
Described cable wire (10) by apply prestressing force make outer channel-section steel (6) both sides fixed charge method end plate (9), be tightly pressed against outer channel-section steel (6)
Both sides, when the horizontal forces such as earthquake occur, building can to the first connecting plate (3), the second connecting plate (4) apply pressure or drawing
(2) power, steel plate long drives interior channel-section steel (5) to move, and mild steel is (1) stretched, and due to mild steel, (1) length is shorter, and overall strain can reach elongated
More than the three times of arrangement, surrender can be comparatively fast reached, so that fast onset power consumption is acted on；The sliding (5) of interior channel-section steel can push up over channel-section steel
Both sides fixed charge method end plate (8), while a part of horizontal force to be passed to the prestressed cable of Self-resetting system for fixed charge method end plate sliding (9)
(10), now prestressed cable stretching force (10) more than mild steel bearing capacity (1) and with interior channel-section steel (5) between frictional resistance；Work as earthquake
After occurring Deng horizontal force, rope (10) make every effort to overcome admit defeated steel extrapolability (1) and with interior channel-section steel (5) between frictional resistance, mild steel (1) and
It is (6) interior that (5) interior channel-section steel is pressed back into outer channel-section steel, and realization resets again.
The new model of the above-described assembled Self-resetting energy dissipation brace should belong to the scope of protection of the invention.
Beneficial effect
It is that under geological process, Self-resetting energy dissipation brace undertakes most of horizontal shear that beneficial effects of the present invention are,
Integrally-built horizontal displacement is reduced, mild steel is only arranged at one end, compared to the support of elongated arrangement mild steel, in same stretch or pressure
Condense under shifting, mild steel overall strain can reach more than the three times of elongated arrangement, can comparatively fast reach yield situation, can fast onset power consumption
Effect, and after geological process, when the mild steel of power consumption kernel mechanism is destroyed, the mild steel for only changing power consumption effect is repaired
Support, the construction period is reduced to reach, and reduces the purpose of rehabilitation cost, embodies the advantage of steel construction.The present invention remove when,
Can efficiently recycle, reduce building waste, the real theory for realizing environmental protection is a kind of green, can
The steel structure system of sustainable development.
Brief description of the drawings
Fig. 1 is the overall schematic of present example 1
Fig. 2 is the overall exploded view of present example 1
Fig. 3 is the energy dissipating portion schematic diagram of present example 1
Fig. 4 is the energy dissipating portion exploded view of present example 1
Fig. 5 is the outer constraint portions schematic diagram of present example 1
Fig. 6 is the outer constraint portions exploded view of present example 1
Fig. 7 is the Self-resetting system schematic diagram of present example 1
Fig. 8 is the energy dissipating portion schematic diagram of present example 2
In figure, 1- mild steel；2- steel plates long；The connecting plates wide of 3- first；The connecting plates of 4- second；Channel-section steel in 5-；The outer channel-section steels of 6-；7-
Gu cable fixing plate；8- connection otic placodes；9- fixed charge method end plates；10- ropes；11- fixtures；12- anchor slabs.
Specific embodiment
The present invention is described in detail below in conjunction with the accompanying drawings, and the embodiment below with reference to Description of Drawings is example type
, it is intended to for explaining the present invention, and it is not considered as limiting the invention.
As shown in accompanying drawing 1- accompanying drawings 7, welding of the invention and the assembled process of bolt are completed in factory, in factory first by institute
State the first connecting plate (3), the second connecting plate be (4) (1) (2) welded to connect with steel plate long with mild steel, by the connection otic placode (8), fixed rope
(7) plate is welded on outer channel-section steel (6) specified location, by baffle plate or ribbed stiffener be welded on interior channel-section steel (5), outer channel-section steel fixing end (6), then will
Mild steel (1) (5) (5) (2) installed with interior channel-section steel by bolted-on in the right direction with interior channel-section steel by welding bolt, steel plate long, then
(6) outer channel-section steel is arranged in interior channel-section steel (5) outside, (10) the rope of the Self-resetting system is finally sequentially passed through into solid cable fixing plate (7), admittedly
The perforate (9) of fixed end plate, (9) fixed charge method end plate be tightly pressed against outer channel-section steel (6) two ends by applying prestressing force, and side tension cords are (10) and with folder
(11) tool is anchored at anchor slab and (12) goes up, that is, complete the assembly of support.
With reference to accompanying drawing 1- accompanying drawings 7, the course of work to the assembled Self-resetting energy dissipation brace is described：When earthquake etc.
When horizontal force occurs, building can to the first connecting plate (3), the second connecting plate (4) apply pressure or pulling force, steel plate long (2) band
(5) channel-section steel produces and is synchronized with the movement in dynamic, mild steel is (1) stretched sliding, and because mild steel is (1) shorter, overall strain can reach elongated arrangement
More than three times, therefore can comparatively fast enter yield situation, fast onset power consumption effect, while groove over the motion (5) of interior channel-section steel will be pushed up
(6) (9) both sides fixed charge method end plate, and brings it about sliding to steel, at the same fixed charge method end plate sliding (9) by a part of horizontal force pass to from
The prestressed cable of reset system (10), now prestressed cable stretching force (10) more than mild steel bearing capacity (1) and with interior channel-section steel (5) between
Frictional resistance；After the horizontal forces such as earthquake occur, rope (10) make every effort to overcome admit defeated steel extrapolability (1) and with interior channel-section steel (5) between
Frictional resistance, mild steel (1) and interior channel-section steel to be (5) pressed back into outer channel-section steel (6) interior, realization resets again.
As shown in Figure 8, this example is with the difference of example 1：(7) the solid cable fixing plate is welded on power consumption kernel
In interior channel-section steel belly (5).
Claims (5)
1. a kind of assembled Self-resetting energy dissipation brace structure, it is characterised in that：Including mild steel (1), steel plate long (2), the first connecting plate
(3), the second connecting plate (4), interior channel-section steel (5), outer channel-section steel (6), solid cable fixing plate (7), connection otic placode (8), fixed charge method end plate (9), rope (10), fixture
(11) with anchor slab (12).
The mild steel (1) (5) weld with interior channel-section steel by one end, and bolted-on, first connecting plate are used in centre position (5) with interior channel-section steel
(3), (4) the second connecting plate is welded in mild steel (1) same one end, and (1) width, thickness direction are vertical with mild steel respectively；
(2) the steel plate long is arranged in interior channel-section steel (5) fixing end, is (5) fixed with bolt with interior channel-section steel, keeps synchronous regime, Jin Jinzuo
It is interior channel-section steel and the connector of building；
(6) the outer channel-section steel is arranged in interior channel-section steel (5) outside, and (7) along outer channel-section steel, (6) length direction is equidistantly welded the solid cable fixing plate
Portion in the inner, (8) along outer channel-section steel, (6) length direction is equidistantly welded the connection otic placode, and the fixed charge method end plate is (9) by applying in advance should
The Self-resetting system of power is tightly pressed against outer channel-section steel two ends (6)；The rope (10) initially pass through solid cable fixing plate (7), (9) fixed charge method end plate apply afterwards
(11) Prestressing tensioning be anchored at anchor slab by fixture and (12) gone up.
2. a kind of assembled Self-resetting energy dissipation brace structure according to claim 1, it is characterised in that：Supporting construction passes through
Mild steel (1) produce plastic deformation and mild steel (1) with interior channel-section steel Relative friction (5) and consume energy, returned to by Self-resetting system just
Beginning state；(1) the mild steel be only arranged in interior channel-section steel and (5) open rectangular channel i.e. sliding-end, and (5) one end welds with interior channel-section steel, centre position
(5) grooved bore is bolted with interior channel-section steel；Mild steel is (1) relative to elongated arrangement, under same stretch or compression displacement, mild steel
(1) overall strain reaches more than the three times of elongated arrangement.
3. a kind of assembled Self-resetting energy dissipation brace structure according to claim 1, it is characterised in that：The interior channel-section steel is (5)
Without core area, gusset plate is arranged, be bolted.
4. a kind of assembled Self-resetting energy dissipation brace structure according to claim 1, it is characterised in that：The interior channel-section steel
(5), (6) fixing end arranges baffle plate or ribbed stiffener to outer channel-section steel, prevents the first connecting plate from extruding rectangle elongated slot.
5. a kind of assembled Self-resetting energy dissipation brace structure according to claim 1, it is characterised in that：The interior channel-section steel is (5)
Fixing end corresponds to outer channel-section steel (6) sliding-end, and (5) sliding-end corresponds to outer channel-section steel (6) fixing end to interior channel-section steel；Supporting construction is by the
One connecting plate is (3), (4) the second connecting plate be connected with building.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710125651.7A CN106812366A (en) | 2017-03-05 | 2017-03-05 | A kind of assembled Self-resetting energy dissipation brace structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710125651.7A CN106812366A (en) | 2017-03-05 | 2017-03-05 | A kind of assembled Self-resetting energy dissipation brace structure |
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| CN106812366A true CN106812366A (en) | 2017-06-09 |
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| CN201710125651.7A Pending CN106812366A (en) | 2017-03-05 | 2017-03-05 | A kind of assembled Self-resetting energy dissipation brace structure |
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| CN109339338A (en) * | 2018-09-28 | 2019-02-15 | 浙江大学宁波理工学院 | The ruggedized construction of square steel column |
| CN114232794A (en) * | 2021-12-10 | 2022-03-25 | 北京交通大学 | Self-resetting support assembly type friction connection node and performance design method thereof |
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