CN105155709B - One kind is excused from a college course multiple Self-resetting friction damped braced - Google Patents
One kind is excused from a college course multiple Self-resetting friction damped braced Download PDFInfo
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- CN105155709B CN105155709B CN201510478238.XA CN201510478238A CN105155709B CN 105155709 B CN105155709 B CN 105155709B CN 201510478238 A CN201510478238 A CN 201510478238A CN 105155709 B CN105155709 B CN 105155709B
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Abstract
The present invention relates to frame support structure technical field, more particularly to one kind to be excused from a college course multiple Self-resetting friction damped braced.It is provided by the invention to be excused from a college course multiple Self-resetting friction damped braced, inputting seismic energy can be consumed by the friction between the first friction plate and the second friction plate in friction energy-dissipating mechanism when earthquake occurs, and reduce the earthquake response of agent structure, simultaneously after geological process, support can return to original state in the presence of Self-resetting mechanism, and then reduce the residual deformation for even eliminating total；In addition, with existing Self-resetting support phase ratio, the support has the ability that stable friction energy-dissipating is still ensured that under multiple reciprocating, therefore still is able to recover to use after shake, realizes the purpose that need not be repaired after shake；In addition, the application provide to be excused from a college course multiple Self-resetting friction damped braced frame systems simple, easy for installation, construction technology is enormously simplify, beneficial to meeting the needs of architectural industrialization.
Description
Technical field
The present invention relates to frame-brace structure technical field, more particularly to one kind to be excused from a college course multiple Self-resetting friction damped braced.
Background technology
Frame-brace structure system is using one of most structural system in high-rise steel structure, in geological process at present
Under, bracing members assume responsibility for most of horizontal shear, reduce integrally-built horizontal displacement.But traditional central support structure system
In, entirety and local buckling easily occur under tension and compression reciprocating for common support, cause its brittle fracture finally to have a strong impact on whole
The anti-seismic performance of body structure, in traditional eccentrically braces structure system, active beam link plastic deformation is larger, when being repaired after shake
Difficulty is very big.In order to solve the problems of both the above support system, scholars propose buckling-restrained energy-dissipation.It is
A kind of energy dissipation brace for the effect and mild steel damper dual-use function for having common support increase structure integral rigidity concurrently, is realized complete
Without component flexing occurs, can effectively dissipate inputting seismic energy, reduce the earthquake response of agent structure for section surrender, from
And avoid the destruction of agent structure or collapse.
But after big shake effect, the residual deformation of anti-buckling support is larger, and corresponding overall structure residual deformation is also larger,
Integral replacing is needed when being repaired after shake, difficulty is repaired greatly and cost is higher.Therefore, there has been proposed self reset curvature-prevention support,
It is formed including peripheral constraint component, kernel mechanism, Self-resetting mechanism and energy consuming mechanism substantially, wherein Self-resetting mechanism typically by
Memorial alloy or prestressed draw-bar composition, energy consuming mechanism then mainly have two kinds of friction energy-dissipating and mild-steel energy-consumption.Under geological process,
Self reset curvature-prevention, which supports, can provide the anti-side rigidity and can dissipation seismic energy of structure, after geological process, be supported on runback
Original state is returned in the presence of the mechanism of position, and then reduces the residual deformation of total.
Although existing self reset curvature-prevention support realizes the purpose of residual deformation after reduction shake, existing runback
Position friction damped braced is there is also complicated, the problem of assembled process cumbersome and whard to control precision, is unfavorable for adaptation and builds
The demand of industrialization is built, while repair difficulty could not still reduce after the shake of existing self reset curvature-prevention support, still need to more
Whole support is changed, not only construction inconvenience, and rehabilitation cost is also higher.
The content of the invention
(1) technical problems to be solved
The technical problem to be solved in the present invention is：Traditional Self-resetting be supported on shake after repair when need to change whole support,
The big cost of work difficulty is high and complicated, and assembled process is cumbersome to be not easily controlled precision, needs to provide a kind of structure letter for this
List, assembly is easy and can recover to be excused from a college course multiple Self-resetting friction damped braced to original state in middle shake or after shaking greatly, makes this
Normal performance can be recovered without repairing by being supported on after shake.
(2) technical scheme
In order to solve the above-mentioned technical problem, the invention provides one kind to be excused from a college course multiple Self-resetting friction damped braced, including outer
Baogang's pipe, the kernel mechanism, friction energy-dissipating mechanism and the Self-resetting mechanism that are arranged on inside outside steel pipe, the friction energy-dissipating mechanism
The first friction plate being connected including the second friction plate and with outside steel pipe tube wall outside wall surface, first friction plate are located at Covered with Angles
Fitted between tube wall and the second friction plate and respectively with outside steel pipe tube wall and the second friction plate；The kernel mechanism can
Slided in the presence of external tensile force or pressure in the outside steel pipe, and the kernel mechanism can drive the second friction plate
Enter line slip relative to the first friction plate；The Self-resetting mechanism is used for the kernel to being shifted under external tensile force or pressure effect
Mechanism is resetted.
Wherein, the outside steel pipe is in the straight-tube shape of both ends open, and the outside steel pipe cross sectional shape is rectangle.
Wherein, it is criss-cross connecting plate that the kernel mechanism, which includes H profile steel and cross sectional shape, the rear end of the H profile steel
Concordant with the rear end of the outside steel pipe, the front end of the H profile steel is fixedly connected by leading lotus plate with the connecting plate, described to lead
The cross sectional shape of lotus plate is rectangle, and the H profile steel and the lotus plate of leading are located in the outside steel pipe, and described leads lotus plate and institute
The contact surface for stating connecting plate is concordant with the front end of the outside steel pipe；Ribbed stiffener is provided with the web of the H profile steel front end, institute
Ribbed stiffener is stated to include two pieces and be symmetrically set in the both sides of the web；Set between upper and lower two blocks of flange plates of the H profile steel
There is supporting steel plate, the supporting steel plate is located at the middle part of the H profile steel.
Wherein, the supporting steel plate is provided with two pieces, and two pieces of supporting steel plates are symmetricly set on the both sides of the web simultaneously
It is connected with the web.
Wherein, the Self-resetting mechanism includes being fastened on the front end-plate of outside steel pipe front end, is fastened on outside steel pipe rear end
End plate and prestressed cable, front end-plate, end plate and kernel mechanism be connected by the prestressed cable, the front end
The cross-shaped aperture being engaged with the connecting plate is additionally provided with plate.
Wherein, the front end-plate is provided with two pieces of second friction plates, two pieces of second friction plates with it is described before
End plate is perpendicular, and is symmetrically set in the both sides of front end-plate；The end plate is provided with two pieces of second friction plates, described in two pieces
Second friction plate is perpendicular with the end plate, and is symmetrically set in the both sides of end plate.
Wherein, size identical circle is offered on first friction plate and outside steel pipe tube wall provided with the first friction plate
Shape dress distribution, elongate holes, the width of the elongate holes and the circular pilot hole are offered on second friction plate
Diameter is identical, and first friction plate, the second friction plate are connected by bolt with the outside steel pipe.
Wherein, it is also vertical on the front end-plate to be provided with assembling spacing plate, the assembling spacing plate and second friction plate
Positioned at the same side of front end-plate,
Wherein, it is additionally provided with construction technology hole on the tube wall of the outside steel pipe left and right ends.
Wherein, first friction plate is brass sheet, and the second friction plate is channel-section steel plate.
(3) beneficial effect
The above-mentioned technical proposal of the present invention has the following advantages that：The invention provides a kind of Self-resetting mild steel energy dissipation support,
Including outside steel pipe, the kernel mechanism being arranged on inside outside steel pipe, friction energy-dissipating mechanism and Self-resetting mechanism, earthquake is occurring
When inputting seismic energy can be consumed by the friction between the first friction plate and the second friction plate in friction energy-dissipating mechanism, and
The earthquake response of agent structure is reduced, while after geological process, support can return to just in the presence of Self-resetting mechanism
Beginning state, and then reduce the residual deformation for even eliminating total；In addition, with existing Self-resetting support phase ratio, carrying out
When post earthquake recovery works, in the presence of Self-resetting mechanism, whole support recovers to original state, meanwhile, the support has more
The ability of stable friction energy-dissipating is still ensured that under secondary reciprocating, therefore still is able to recover to use after shake, realizes nothing after shake
The purpose that need to be repaired；In addition, the multiple Self-resetting friction damped braced of being excused from a college course that the application provides supports existing self reset curvature-prevention
Resetting means and energy-dissipating device combine, it is simple in construction, easy for installation, construction technology is enormously simplify, beneficial to satisfaction
The demand of architectural industrialization.
Brief description of the drawings
The advantages of above-mentioned and/or additional aspect of the invention, will be apparent in the description from combination accompanying drawings below to embodiment
Be readily appreciated that, wherein：
Fig. 1 is the structural representation that multiple Self-resetting friction damped braced is excused from a college course in the embodiment of the present invention；
Fig. 2 is the side view that multiple Self-resetting friction damped braced is excused from a college course in the embodiment of the present invention；
Fig. 3 is that the A-A of multiple Self-resetting friction damped braced is excused from a college course in the embodiment of the present invention to sectional view；
Fig. 4 is the B-B direction sectional view that multiple Self-resetting friction damped braced is excused from a college course in the embodiment of the present invention；
Fig. 5 is the structural representation for the outside steel pipe that multiple Self-resetting friction damped braced is excused from a college course in the embodiment of the present invention；Fig. 6
It is the structural representation for the kernel mechanism that multiple Self-resetting friction damped braced is excused from a college course in the embodiment of the present invention；Fig. 7 is of the invention real
Apply the disassembly diagram of Self-resetting mechanism and friction energy-dissipating mechanism that multiple Self-resetting friction damped braced is excused from a college course in example；
Fig. 8 is the structural representation that front apron in multiple Self-resetting friction damped braced is excused from a college course in the embodiment of the present invention；
Fig. 9 is the structural representation that rear baffle in multiple Self-resetting friction damped braced is excused from a college course in the embodiment of the present invention；
Figure 10 is that the opening schematic diagram of multiple Self-resetting friction damped braced under a stretching force is excused from a college course in the embodiment of the present invention；
Figure 11 is that the opening schematic diagram of multiple Self-resetting friction damped braced under pressure is excused from a college course in the embodiment of the present invention.
Corresponding relations of the wherein Fig. 1 into Figure 11 between reference and component names be：
1st, T section connecting plate, 2, top steel plate, 3, bottom steel plate, 4, left side steel plate, 5, right side steel plate, 6, connecting plate,
7th, lotus plate is led, 8, ribbed stiffener, 9, supporting steel plate, 10, flange plate, 11, web, 12, prestressed cable, 13, high-strength bolt, 14,
Brass sheet, 15, front end-plate, 16, assembling spacing plate, 17, channel-section steel plate, 18, end plate, 19, anchorage, 20, spacing angle steel, 21, apply
Work fabrication hole.
Embodiment
In the description of the invention, it is necessary to explanation, term " " center ", " longitudinal direction ", " transverse direction ", " on ", " under ",
"front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " " interior ", the orientation or position relationship of the instruction such as " outer "
Based on orientation shown in the drawings or position relationship, to be for only for ease of the description present invention and simplifying description, rather than instruction or
Imply that signified device or element there must be specific orientation, with specific azimuth configuration and operation, therefore it is not intended that
Limitation of the present invention.In addition, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint phase
To importance.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in invention.In addition, in the description of the invention, unless otherwise indicated, " multiple " are meant that two or two
More than.
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
The part of the embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill people
The every other embodiment that member is obtained on the premise of creative work is not made, belongs to the scope of protection of the invention.
As shown in the figure shown in 1 to Fig. 4, the invention provides one kind to be excused from a college course multiple Self-resetting friction damped braced, including outsourcing
Steel pipe, the kernel mechanism being arranged on inside outside steel pipe, friction energy-dissipating mechanism and Self-resetting mechanism, friction energy-dissipating mechanism bag
The second friction plate and the first friction plate being connected with outside steel pipe tube wall outside wall surface are included, first friction plate is located at outside steel pipe
Fitted between tube wall and the second friction plate and respectively with outside steel pipe tube wall and the second friction plate；The kernel mechanism can be
Slided in the presence of external tensile force or pressure in the outside steel pipe, and the kernel mechanism can drive the second friction plate phase
Enter line slip for the first friction plate；The Self-resetting mechanism is used for the kernel machine to being shifted under external tensile force or pressure effect
Structure is resetted.
Self-resetting friction damped braced provided by the invention, first in friction energy-dissipating mechanism can be passed through when earthquake occurs
Friction between friction plate and the second friction plate consumes inputting seismic energy, and reduces the earthquake response of agent structure, simultaneously
After geological process, support can return to original state in the presence of Self-resetting mechanism, and then reduce and even eliminate entirely
The residual deformation of structure；In addition, with existing Self-resetting support phase ratio, when carrying out post earthquake recovery work, in Self-resetting mechanism
In the presence of, whole support recovers to original state, meanwhile, the support, which has, still ensures that stable friction under multiple reciprocating
The ability of power consumption, therefore still be able to recover to use after shake, realize the purpose that need not be repaired after shake；In addition, the application provides
Be excused from a college course resetting means that multiple Self-resetting friction damped braced supports existing self reset curvature-prevention and energy-dissipating device is attached to one
Rise, it is simple in construction, easy for installation, construction technology is enormously simplify, beneficial to meeting the needs of architectural industrialization.
Preferably, as shown in Figure 1 and Figure 5, the outside steel pipe is by top steel plate 2, bottom steel plate 3, left side steel plate 4, the right side
Side steel plate 5 is connected what is formed, and it is in the straight-tube shape of both ends open, and the outside steel pipe cross sectional shape is rectangle, wherein outsourcing
T section connecting plate 1 is respectively arranged with the top steel plate 2 and bottom steel plate 3 of steel pipe rear end, the T section connecting plate 1 is logical
The mode for crossing welding is fixed on the top steel plate 2 and bottom steel plate 3 of the outside steel pipe, and is opened up on T section connecting plate 1
There is bolt hole in order to be connected with building beam column；Four corner points are provided with spacing angle steel 20 in the outside steel pipe, can
Shift position of the kernel mechanism in outside steel pipe is controlled by the position of spacing angle steel 20.
As shown in fig. 6, it is criss-cross connecting plate 6 that the kernel mechanism, which includes H profile steel and cross sectional shape, the H profile steel
Rear end it is concordant with the rear end of the outside steel pipe, the front end of the H profile steel is connected by leading lotus plate 7 and being fixed with the connecting plate 6
Connect, the cross sectional shape for leading lotus plate 7 is rectangle, and the H profile steel and the lotus plate 7 of leading are located in the outside steel pipe, and institute
State and lead lotus plate 7 and the contact surface of the connecting plate 6 is concordant with the front end of the outside steel pipe；The web 11 of the H profile steel front end
On be provided with ribbed stiffener 8, the ribbed stiffener 8 includes two pieces and is symmetrically set in the both sides of the web 11；The H profile steel
Supporting steel plate 9 is provided between upper and lower two blocks of flange plates 10, the supporting steel plate 9 is located at the middle part of the H profile steel；Specifically,
The supporting steel plate 9 be provided with two pieces, two pieces of supporting steel plates 9 be symmetricly set on the both sides of the web 11 and with the web
11 are connected；Certainly, the supporting steel plate 9 can also be provided with polylith, such as set four pieces, four pieces of supporting steel plates 9 are right two-by-two
Claim the both sides for being arranged on web 11, and the equidistantly distributed on the length direction of outside steel pipe, can also equally play in reinforcement
The effect of core laser intensity；Can be that criss-cross second connecting plate 6 and external object (such as concrete or are built by cross sectional shape
Build thing beam column etc.) connection.
Preferably, first friction plate is brass sheet 14, and the second friction plate is channel-section steel plate 17, due to the material of brass sheet 14
Softer, abrasion of the friction to two friction plates between channel-section steel plate 17 and brass sheet 14 is smaller so that support can be circulated, continued
Use, add the service life of support, and then reduce the probability of support damage, reduce maintenance cost；Second friction simultaneously
Plate is channel-section steel plate 17, wherein, outside wall surface and the first friction plate of the bottom wall of channel-section steel plate 17 fit, and relative slip are occurring, are carrying out
During the work of friction energy-dissipating, the structure of channel-section steel plate 17 can avoid the occurrence of the steel as caused by frictional force under long-time andfrictional conditions
The problem of plate plane outside flexing.
Certainly, the first friction plate can also be aluminium sheet, carbon fiber friction plate, or (non-asbestos mixing is fine for NAO friction materials
Tie up friction material), steel plate sandblasting is derusted after sheet material etc. made of electric arc aluminium spraying, equally can also realize the first friction plate and the
The purpose of phase mutual friction consumed energy between two friction plates, its objective should belong to the present invention without departing from the design philosophy of the present invention
Protection domain.
Further, as shown in Figure 7 to 9, the Self-resetting mechanism includes being fastened on the front end-plate of outside steel pipe front end
15th, the end plate 18 and prestressed cable 12 of outside steel pipe rear end are fastened on, the prestressed cable 12 is by front end-plate 15, rear end
Plate 18 and kernel mechanism are connected, and the cross-shaped aperture being engaged with the connecting plate 6 is additionally provided with the front end-plate 15,
Be provided with two pieces of second friction plates on the front end-plate 15 simultaneously, two pieces of second friction plates with the front end-plate 15
It is perpendicular, and it is symmetrically set in the arranged on left and right sides of front end-plate 15；The end plate 18 is provided with two pieces of second friction plates, and two
Second friction plate described in block is perpendicular with the end plate 18, and is symmetrically set in the arranged on left and right sides of end plate 18；It is described it is pre- should
Power drag-line 12 is fixed on the front end-plate 15 and end plate 18 by anchorage 19.
As shown in figure 8, cross-shaped aperture is provided among front end-plate 15, through the connecting plate of the star section of kernel mechanism
Front apron is buckled in outside steel pipe front end by 6, between steel plate 4 on the left of channel-section steel plate 17 and steel pipe and on the right side of channel-section steel plate 17 and steel pipe
It is attached after respectively pressing from both sides one piece of brass sheet 14 between steel plate 5 with high-strength bolt 13.The one side of end plate 18 welds two blocks of channel-section steel plates
17 form rear baffle, are buckled in the rear end of steel pipe；As shown in figure 9, the steel equally on the left of the two blocks of channel-section steel plates 17 and steel pipe of rear baffle
It is attached after respectively pressing from both sides one piece of brass sheet 14 between plate 4 and right side steel plate 5 with high-strength bolt 13.Finally by prestressed cable 12
Outside steel pipe, kernel mechanism, Self-resetting mechanism and friction energy-dissipating mechanism are linked into an integrated entity, prestressed cable 12 passes through anchorage 19
It is fixed on front end-plate 15 and end plate 18, forms a complete Self-resetting and be excused from a college course multiple friction damped braced.
Meanwhile as shown in figure 8, also vertically it is provided with assembling spacing plate 16, the assembling spacing plate on the front end-plate 15
16 are also equipped with two pieces, and are oppositely arranged on the both sides up and down of the front end-plate 15, the assembling spacing plate 16 and described second
Friction plate is located at the same side of front end-plate 15, and such two blocks of assembling spacing plates 16 and two piece of second friction plate form rectangle
Inner chamber, cross sectional shape is the sectional dimension for being dimensioned slightly smaller than the inner chamber of the outside steel pipe of rectangle, in order to install；Preferably,
The distance between two blocks of assembling spacing plates 16 of the front apron are equal to the distance on steel pipe between lower steel plate outer surface or are more than
On steel pipe between lower steel plate outer surface within distance 10mm, to reach assembling spacing effect, the front end of outside steel pipe is stretched when mounted
Enter the interior intracavitary, while the front end of the outside steel pipe fits with leading lotus plate 7, passes through assembling spacing plate 16 and the second friction plate pair
Outside steel pipe carries out spacing.
Wherein, size identical circle is offered on first friction plate and outside steel pipe tube wall provided with the first friction plate
Shape dress distribution, elongate holes, the width of the elongate holes and the circular pilot hole are offered on second friction plate
Diameter is identical (or diameter slightly larger than the pilot hole), first friction plate, the second friction plate by bolt with it is described
Outside steel pipe connects, and bolt can move in elongate holes, due to the left side steel plate 4 and the right side of the first friction plate and outside steel pipe
The outside wall surface of side steel plate 5 is connected, and the second connecting plate 6 is connected with front end-plate 15 and end plate 18, so in kernel mechanism urges
Front end-plate 15 or end plate 18 can drive the second friction plate to move when moving, and the second friction plate is entered relative to the first friction plate
Line slip, and then extraneous incoming energy is consumed, realize the purpose of power consumption.
Further, as depicted in figs. 1 and 2, it is provided with the left side steel plate 4 and/or right side steel plate 5 of the outside steel pipe
Construction technology hole 21, the aperture in the construction technology hole 21 disclosure satisfy that hand is extend into outside steel pipe by assembler, so as to
It can lecture and be extend into outside steel pipe in assembler, to carry out the arrangement work of prestressed cable 12.
Illustrate the preparation method provided by the invention for being excused from a college course multiple Self-resetting friction damped braced below：
1) welding procedure walks
By channel-section steel plate 17, assembling spacing plate 16 is fixed on and (can be fixed by the mode such as welding, riveting) front end-plate 15
On；Channel-section steel plate 17 and end plate 18 are fixed on end plate 18；It is criss-cross connection that the one side of lotus plate 7, which will be led, with cross sectional shape
Plate 6 welds together, and the flange plate 10 and web 11 of another side and H profile steel weld, then by ribbed stiffener 8 with leading lotus plate 7 and H types
The web 11 of steel welds together, then supporting steel plate 9 and the flange plate 10 and web 11 of H profile steel are welded, and forms kernel mechanism；
T section connecting plate 6 and steel pipe are welded to form outside steel pipe.
2) assembling process walks
Kernel mechanism is put into outside steel pipe first, it is the welding of criss-cross connecting plate 6 to lead lotus plate 7 with cross sectional shape
Surface is concordant with outsourcing square steel tube front edge, then forward and backward baffle plate is buckled in the forward and backward both ends of steel pipe respectively respectively, then will
Brass sheet 14 is inserted between channel-section steel plate 17 and steel pipe, and channel-section steel plate 17, brass sheet 14 and outside steel pipe are passed through with high-strength bolt 13
Left side steel plate 4 and right side steel plate 5 just twist complete it is preliminary assembled.
3) final molding
Between front end-plate 15 and end plate 18, inside outside steel pipe, prestressed cable 12 is worn along H profile steel web 11, it is right
Prestressed cable 12 twists high-strength bolt 13 eventually after applying prestressing force, forms one whole and is excused from a college course multiple Self-resetting friction damped braced.
Multiple Self-resetting friction damped braced is excused from a college course come assembled composition by the above method, packaging technology is very convenient, installation
It is convenient, construction technology is enormously simplify, beneficial to meeting the needs of architectural industrialization.
The multiple Self-resetting friction damped braced of being excused from a college course of patent of the present invention is connected by star section connecting plate 6 and T section
Fishplate bar 6 is connected with building beam column, and external load acts directly on cross sectional shape and connected for criss-cross connecting plate 6 with T section
On plate 6, pulling force makes kernel portion top open front apron and outside steel pipe front end face disengagement (as shown in Figure 10), and pressure makes kernel portion
Top drives rear baffle and disengages (as shown in figure 11) with outside steel pipe rear end face, and channel-section steel plate 17 produces under tension and compression effect with brass sheet 14
Slip and then friction energy-dissipating so that support other parts are without damage.After external load disappears, prestressed cable 12 is supported on
Front apron or rear baffle are retracted into initial position under effect, realize the purpose of Self-resetting.Between channel-section steel plate 17 and brass sheet 14
Frictional force research has shown that with property still relatively stable after multiple reciprocating, so still can be after without repairing after shake
It is continuous to use.
In summary, the invention provides a kind of Self-resetting mild steel energy dissipation support, including outside steel pipe, it is arranged on Covered with Angles
Kernel mechanism, friction energy-dissipating mechanism and Self-resetting mechanism inside pipe, can be by friction energy-dissipating mechanism when earthquake occurs
Friction between first friction plate and the second friction plate consumes inputting seismic energy, and reduces the earthquake response of agent structure,
Simultaneously after geological process, support can return to original state in the presence of Self-resetting mechanism, and then reduce and even eliminate
The residual deformation of total；In addition, with existing Self-resetting support phase ratio, when carrying out post earthquake recovery work, in Self-resetting
In the presence of mechanism, whole support recovers to original state, meanwhile, the support, which has, still ensures that stabilization under multiple reciprocating
The ability of friction energy-dissipating, therefore still be able to recover to use after shake, realize the purpose that need not be repaired after shake；In addition, the application
What is provided is excused from a college course resetting means and the energy-dissipating device combination that multiple Self-resetting friction damped braced supports existing self reset curvature-prevention
It is simple in construction, easy for installation to together, construction technology is enormously simplify, beneficial to meeting the needs of architectural industrialization.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
The present invention is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：It still may be used
To be modified to the technical scheme described in foregoing embodiments, or equivalent substitution is carried out to which part technical characteristic；
And these modification or replace, do not make appropriate technical solution essence depart from various embodiments of the present invention technical scheme spirit and
Scope.
Claims (8)
1. one kind is excused from a college course multiple Self-resetting friction damped braced, it is characterised in that：Including outside steel pipe, it is arranged on inside outside steel pipe
Kernel mechanism, friction energy-dissipating mechanism and Self-resetting mechanism, the friction energy-dissipating mechanism includes the second friction plate and and Covered with Angles
Tube wall outside wall surface connection the first friction plate, first friction plate between outside steel pipe tube wall and the second friction plate simultaneously
Fitted respectively with outside steel pipe tube wall and the second friction plate, the first friction plate is brass sheet, and the second friction plate is channel-section steel plate；Institute
Stating kernel mechanism can slide in the presence of external tensile force or pressure in the outside steel pipe, and the kernel mechanism can
The second friction plate is driven to enter line slip relative to the first friction plate；The Self-resetting mechanism is used in external tensile force or pressure work
Resetted with the kernel mechanism of lower displacement；Wherein, it is criss-cross connection that the kernel mechanism, which includes H profile steel and cross sectional shape,
Plate (6), the rear end of the H profile steel is concordant with the rear end of the outside steel pipe, the front end of the H profile steel by lead lotus plate (7) with
The connecting plate (6) is fixedly connected, and the cross sectional shape for leading lotus plate (7) is rectangle, the H profile steel and described leads lotus plate (7)
In the outside steel pipe, and the front end of the contact surface and the outside steel pipe for leading lotus plate (7) and the connecting plate (6)
Concordantly；Ribbed stiffener (8) is provided with the web (11) of the H profile steel front end, the ribbed stiffener (8) includes two pieces and symmetrically set
In the both sides of the web (11)；Supporting steel plate (9) is provided between upper and lower two blocks of flange plates (10) of the H profile steel, it is described
Supporting steel plate (9) is located at the middle part of the H profile steel.
2. according to claim 1 be excused from a college course multiple Self-resetting friction damped braced, it is characterised in that：The outside steel pipe is in two
The straight-tube shape of end opening, and the outside steel pipe cross sectional shape is rectangle.
3. according to claim 2 be excused from a college course multiple Self-resetting friction damped braced, it is characterised in that：The supporting steel plate (9)
Provided with two pieces, two pieces of supporting steel plates (9) are symmetricly set on the both sides of the web (11) and are connected with the web (11).
4. according to claim 3 be excused from a college course multiple Self-resetting friction damped braced, it is characterised in that：Self-resetting mechanism bag
The end plate (18) and prestressed cable for include and be fastened on the front end-plate (15) of outside steel pipe front end, being fastened on outside steel pipe rear end
(12), front end-plate (15), end plate (18) and kernel mechanism are connected by the prestressed cable (12), the front end-plate
(15) cross-shaped aperture being engaged with the connecting plate (6) is additionally provided with.
5. according to claim 4 be excused from a college course multiple Self-resetting friction damped braced, it is characterised in that：On the front end-plate (15)
Provided with two pieces of second friction plates, two pieces of second friction plates are perpendicular with the front end-plate (15), and are symmetrically set in
The both sides of front end-plate (15)；Two pieces of second friction plates, two pieces of second friction plates also are provided with the end plate (18)
It is perpendicular with the end plate (18), and it is symmetrically set in the both sides of end plate (18).
6. according to claim 5 be excused from a college course multiple Self-resetting friction damped braced, it is characterised in that：First friction plate and
Size identical circle pilot hole is offered on outside steel pipe tube wall provided with the first friction plate, is opened up on second friction plate
There are elongate holes, the width of the elongate holes is identical with the diameter of the circular pilot hole, and first friction plate, second rub
Wiping board is connected by bolt (13) with the outside steel pipe.
7. according to claim 6 be excused from a college course multiple Self-resetting friction damped braced, it is characterised in that：On the front end-plate (15)
Assembling spacing plate (16) vertically also is provided with, the assembling spacing plate (16) is located at the same of front end-plate (15) with second friction plate
Side.
8. according to claim 7 be excused from a college course multiple Self-resetting friction damped braced, it is characterised in that：Described outside steel pipe or so
Construction technology hole (21) is additionally provided with the tube wall at both ends.
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| CN201510478238.XA CN105155709B (en) | 2015-08-06 | 2015-08-06 | One kind is excused from a college course multiple Self-resetting friction damped braced |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106812366A (en) * | 2017-03-05 | 2017-06-09 | 北京工业大学 | A kind of assembled Self-resetting energy dissipation brace structure |
| WO2019223294A1 (en) * | 2018-05-22 | 2019-11-28 | 扬州大学 | Novel shock absorption self-resetting energy-consuming inhaul cable supporting device |
| CN109610667A (en) * | 2018-12-13 | 2019-04-12 | 大连理工大学 | A kind of truss node plate type energy absorption brace |
| CN109653395B (en) * | 2019-01-29 | 2020-07-28 | 同济大学 | Two-stage performance target self-resetting friction type energy dissipation support |
| CN109853772B (en) * | 2019-04-09 | 2023-09-22 | 安徽理工大学 | Self-resetting mild steel damper |
| CN110685484A (en) * | 2019-09-05 | 2020-01-14 | 同济大学 | Viscoelastic self-resetting support |
| CN113123475A (en) * | 2021-03-09 | 2021-07-16 | 河北工业大学 | All-steel friction energy-consumption buckling-restrained energy-consumption supporting structure and construction method |
| CN114922055B (en) * | 2022-05-19 | 2023-08-22 | 浙大城市学院 | Limiting energy consumption damping device based on mortise and tenon constraint and construction and installation method |
| CN115787927B (en) * | 2023-02-09 | 2023-06-27 | 福建省中霖工程建设有限公司 | Assembled buckling-preventing multi-stage energy-consumption self-resetting column base structure |
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| CN1973098A (en) * | 2004-03-03 | 2007-05-30 | 蒙特利尔艾科尔工艺技术公司 | Self-centering energy dissipative brace apparatus with tensioning elements |
| CN101798849A (en) * | 2010-03-26 | 2010-08-11 | 东南大学 | Node connection device for self-centering prestressed concrete frame |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7712266B2 (en) * | 2007-05-22 | 2010-05-11 | Skidmore Owings & Merrill Llp | Seismic structural device |
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|---|---|---|---|---|
| CN1973098A (en) * | 2004-03-03 | 2007-05-30 | 蒙特利尔艾科尔工艺技术公司 | Self-centering energy dissipative brace apparatus with tensioning elements |
| CN101798849A (en) * | 2010-03-26 | 2010-08-11 | 东南大学 | Node connection device for self-centering prestressed concrete frame |
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