CN201687219U - Self-resetting anti-bending bracing member - Google Patents

Self-resetting anti-bending bracing member Download PDF

Info

Publication number
CN201687219U
CN201687219U CN2010202093756U CN201020209375U CN201687219U CN 201687219 U CN201687219 U CN 201687219U CN 2010202093756 U CN2010202093756 U CN 2010202093756U CN 201020209375 U CN201020209375 U CN 201020209375U CN 201687219 U CN201687219 U CN 201687219U
Authority
CN
China
Prior art keywords
square
plate
sleeve
tube
core plates
Prior art date
Application number
CN2010202093756U
Other languages
Chinese (zh)
Inventor
吴斌
刘璐
赵俊贤
Original Assignee
哈尔滨工业大学
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 哈尔滨工业大学 filed Critical 哈尔滨工业大学
Priority to CN2010202093756U priority Critical patent/CN201687219U/en
Application granted granted Critical
Publication of CN201687219U publication Critical patent/CN201687219U/en

Links

Abstract

The utility model discloses a self-resetting anti-bending bracing member, and relates to an anti-bending bracing member, aiming at solving the problems that after-earthquake maintenance and reconstruction cost of the structure installed with a traditional anti-bending bracing member is greatly increased due to excessive residual deformation after violent earthquake or intermediate earthquake, and earthquake energy can not be consumed and dissipated normally due to looseness of a connecting bolt of a friction plate and easy aging of the friction surface of the existing friction-type self-resetting bracing member. A square inner sleeve, two energy-consuming inner core plates and a first convex connecting plate are arranged in the square inner sleeve, each connecting plate is fixedly connected with a pair of angle iron, one end of each reset rib is connected with a first end plate, the other end thereof is connected with a second end plate, the first convex connecting plate penetrates through the through hole of the first end plate and is arranged outside the first end plate, two side surfaces of a square outer sleeve are respectively contacted with the first end plate and the second end plate, and a second convex connecting plate is fixedly arranged in two pairs of angle iron. The self-resetting anti-bending bracing member is used for side-force resistant members in the field of building structure engineering.

Description

Self reset curvature-prevention support component
Technical field
The utility model relates to a kind of curvature-prevention support component.
Background technology
Earthquake disaster has caused great influence to people's life security, and it mainly is owing to building structure in seismic process excessive damage has taken place or collapsed caused.Passive control system is a kind of in the Structural Vibration Control Systems, and is considered to reduce the most effective and feasible method of agent structure damage at present.According to different damping mechanism, passive control device can be divided into metal damper, frcition damper, viscous damper and viscoelastic damper etc.
In these control equipments, curvature-prevention support component (BRB) has obtained using the most widely.This is the supporting form that is applied to a kind of utility model in the multi-rise building lateral resisting system in recent years, also be a kind of energy-consumption shock-absorption device efficiently (damper) simultaneously, it mainly supports inner core, confining part by steel and forms at above-mentioned set between the two non-cohesive material or gap three parts.Under middle shake or big shake effect; curvature-prevention support component no matter tension still to be pressurized all can realize that total cross-section fully surrenders the dissipation seismic energy and complete buckling or cripling that supporting member do not occur destroyed; therefore this supporting member has not only solved the problem of common supporting member pressurized flexing under big shake; also play the effect of damage control simultaneously; original power consumption mode by agent structure beam-ends formation plastic hinge is changed into only on anti-flexing support component, concentrate power consumption; and the most of elasticity that keeps of agent structure; thereby can protect agent structure (beam preferably; post) makes it in the middle of big shake, avoid major injury, repair for the shake back and brought convenience.
Yet because the power consumption form of curvature-prevention support component is the hysteresis consumption dress of metal, this must make it shake in experience or can produce very big permanent set after the shake greatly.Know according to earthquake experience many times: excessive lateral deformation and permanent set that violent earthquake produces structure are the immediate causes that structural deterioration is collapsed.And existing earthquake resistant code to be claimed structure do not collapse when shake ensuring the safety of human life, but need a large amount of maintenance costs under a lot of situations after the shake or remove to rebuild, this can produce corresponding society and economic problems undoubtedly.
Existing its power consumption form is a friction energy-dissipating, mainly contains the limitation of two aspects: at first, frictional force depends on the pretightning force of bolt from resetting supporting member, then frictional force is exerted an influence when the bolt looseness pretightning force descends, and seismic energy can not normally dissipate.In addition, the aging of rubbing surface also is very distinct issues.
The utility model content
Thereby the purpose of this utility model be increase greatly for the excessive residual distortion appears in the structure that solves present installation tradition curvature-prevention support component after big shake or middle shake that the shake back is safeguarded, reconstructed cost and existing friction-type from the supporting member that resets because of the friction plate connecting bolt the easy problem of the aging seismic energy that can not normally dissipate of loosening and rubbing surface, a kind of self reset curvature-prevention support component has been proposed.
The utility model is to solve the problems of the technologies described above the technical scheme of taking to be: described curvature-prevention support component is made of square outer tube, square inner sleeve, first end plate, second end plate, the first convex junction plate, the second convex junction plate, two energy consumption inner core plates, the many muscle that reset, two junction plates and two pairs of angle steel, the described first convex junction plate is arranged between two energy consumption inner core plates, and each is affixed with an energy consumption inner core plates for the upper side wall of the described first convex junction plate and lower wall, and it is outside and the two is affixed that each junction plate is arranged on corresponding energy consumption inner core plates; The a pair of surface of described square outer tube outside respectively is provided with a pair of angle steel, one end and the square outer tube of a pair of angle steel are affixed, and every pair of angle steel and square outer tube form groove, described square inner sleeve is arranged between two energy consumption inner core plates, and the described square inner sleeve and the first convex junction plate are pegged graft, two energy consumption inner core plates respectively are positioned at the upper side wall and the lower wall welding of inserted terminal with square inner sleeve, and the distance of welding is 10~20cm along its length;
Square inner sleeve, two energy consumption inner core plates and the first convex junction plate are arranged in the square outer tube, and each contacts two sidewalls of each square inner core plates with the corresponding sidewall of square outer tube, each junction plate is arranged in the groove, and each junction plate and a pair of angle steel are affixed, be provided with the many muscle that reset in the described square inner sleeve, one end of the every muscle that resets is connected with first end plate, the other end of the every muscle that resets is connected with second end plate, described first end plate is provided with the through hole that is complementary with the first convex junction plate smaller diameter end shape, the through hole that the described first convex junction plate passes first end plate is arranged on the outside of first end plate, the both sides end face of described square outer tube contacts with second end plate with first end plate respectively, being packed in two pairs of angle steel of the larger diameter end of the described second convex junction plate.
The utlity model has following beneficial effect: the utility model is compared with traditional curvature-prevention support component, has reset function after big shake of structure or middle shake, has significantly reduced permanent set (being zero in theory); Compare from the supporting member that resets with existing, the utility model replaces friction energy-dissipating by the inner core plates surrender power consumption of curvature-prevention support component, has avoided therefore that bolt looseness and rubbing surface are aging, problems such as inefficacy and corrosion.
Description of drawings
Fig. 1 is an overall structure schematic diagram of the present utility model, Fig. 2 is the schematic diagram that the utility model is installed, Fig. 3 is the A-A sectional view of Fig. 2, Fig. 4 is the B-B sectional view of Fig. 2, Fig. 5 is the C-C sectional view of Fig. 2, Fig. 6 is the D-D sectional view of Fig. 2, Fig. 7 is the utility model course of work initial stressed stage schematic diagram, Fig. 8 is that the square outer tube phase of the utility model course of work square shaped inner sleeve moves right the stage schematic diagram, Fig. 9 is the utility model course of work reseting stage schematic diagram, Figure 10 is the square outer tube phase of a utility model course of work square shaped inner sleeve motion stage schematic diagram left, and Figure 11 is a practical engineering application example of the present utility model.
The specific embodiment
The specific embodiment one: present embodiment is described in conjunction with Fig. 1, the curvature-prevention support component of present embodiment is by square outer tube 1, square inner sleeve 2, first end plate 5, second end plate 6, the first convex junction plate 10, the second convex junction plate 11, two energy consumption inner core plates 3, the many muscle 4 that reset, two junction plates 7 and two pairs of angle steel 8 constitute, the described first convex junction plate 10 is arranged between two energy consumption inner core plates 3, and each is affixed with an energy consumption inner core plates 3 for the upper side wall of the described first convex junction plate 10 and lower wall, and it is outside and the two is affixed that each junction plate 7 is arranged on corresponding energy consumption inner core plates 3; The a pair of surface of described square outer tube 1 outside respectively is provided with a pair of angle steel 8, one end and the square outer tube 1 of a pair of angle steel 8 are affixed, and every pair of angle steel 8 forms groove 8-1 with square outer tube 1, described square inner sleeve 2 is arranged between two energy consumption inner core plates 3, and the described square inner sleeve 2 and the first convex junction plate 10 are pegged graft, two energy consumption inner core plates 3 respectively are positioned at the upper side wall and the lower wall welding of inserted terminal with square inner sleeve 2, and the distance of welding is 10~20cm along its length;
Square inner sleeve 2, two energy consumption inner core plates 3 and the first convex junction plate 10 are arranged in the square outer tube 1, and each contacts two sidewalls of each square inner core plates 3 with square outer tube 1 corresponding sidewall, each junction plate 7 is arranged in the groove 8-1, and each junction plate 7 and a pair of angle steel 8 are affixed, be provided with the many muscle 4 that reset in the described square inner sleeve 2, one end of the every muscle 4 that resets is connected with first end plate 5, the other end of the every muscle 4 that resets is connected with second end plate 6, described first end plate 5 is provided with the through hole 5-1 that is complementary with the first convex junction plate, 10 smaller diameter end shapes, the through hole 5-1 that the described first convex junction plate 10 passes first end plate 5 is arranged on the outside of first end plate 5, the both sides end face of described square outer tube 1 contacts with second end plate 6 with first end plate 5 respectively, being packed in two pairs of angle steel 8 of the larger diameter end of the described second convex junction plate 11.
The specific embodiment two: present embodiment is described in conjunction with Fig. 1, each energy consumption inner core plates 3 and the gap between square inner sleeve 2 upper side walls and the lower wall of present embodiment respectively are 1-2mm, and it is at one end affixed with energy consumption inner core plates 3, the advantage of this structure is to make square inner sleeve 2 serve as the confining part that anti-flexing supports, and realizes inner core power consumption effect; This structure plays the effect of giving first end plate 5, second end plate 6 and muscle 4 power transmissions that reset in the support that resets simultaneously, reaches from resetting purpose with this.Therefore, guarantee that this utility model has realized the double effects that anti-flexing supports and resets certainly and support.Other composition and annexation are identical with the specific embodiment one.
The specific embodiment three: present embodiment is described in conjunction with Fig. 1, gap between the sidewall of the square inner sleeve 2 of present embodiment and the sidewall of square outer tube 1 is 1-2mm, and it is at one end affixed with energy consumption inner core plates 3, the advantage of this structure is to make square inner sleeve 2 serve as the confining part that anti-flexing supports, and realizes inner core power consumption effect; This structure plays the effect of giving first end plate 5, second end plate 6 and muscle 4 power transmissions that reset in the support that resets simultaneously, reaches from resetting purpose with this.Therefore, guarantee that this utility model has realized the double effects that anti-flexing supports and resets certainly and support.Other composition and annexation are identical with the specific embodiment one.
The specific embodiment four: in conjunction with Fig. 1 present embodiment is described, every compound muscle 4 of present embodiment is reinforcing bar or composite fibre muscle, and applies the prestressing force that is equivalent to supported design bearing capacity 30%.The advantage of this structure is that this type of material has high strength, high elastic modulus, the characteristics of high resiliency deformation rate.Therefore thereby can guarantee to keep elasticity to keep it from the function that resets at the utility model muscle 4 that resets during in work.Prestressing force can guarantee that the utility model overcomes all permanent sets, is returned to original length.Other composition and annexation are identical with the specific embodiment one.
The specific embodiment five: as Fig. 2-shown in Figure 6, present embodiment is that the processing concrete steps of curvature-prevention support component are as follows: 1. the welding first convex junction plate 10 between two energy consumption inner core plates 3; At two junction plates 7 of two energy consumption inner core plates 3 outsides welding, energy consumption inner core plates 3 just forms one with the first convex junction plate 10 and two junction plates 7 like this;
2. the first convex junction plate 10 that square inner sleeve 2 is slipped into and will be welded in from two energy consumption inner core plates 3 right sides on two energy consumption inner core plates 3 inserts square inner sleeve 2 grooves;
3. in 3 inboard and square inner sleeve 2 outsides weldings (energy consumption inner core plates 3 is wider than square inner sleeve 2) of two energy consumption inner core plates, make square inner sleeve 2 and energy consumption inner core plates 3 form whole;
4. respectively weld a pair of angle steel 8 on a pair of surface, the outside of square outer tube 1;
5. the square inner sleeve 2 that will assemble and two energy consumption inner core plates 3 are passed through from the end that square outer tube 1 is provided with a pair of angle steel 8, and direction as shown in the figure.Behind good position, will connect a pair of angle steel 8 and be connected with junction plate 7.So, square outer tube 1, square inner sleeve 2 and two energy consumption inner core plates 3 just constitute a curvature-prevention support component;
6. by wearing the muscle 4 that resets in the hole on first end plate 5 and second end plate 6,, carry out stretch-draw at first end plate 5 at the second end plate 6 places anchoring muscle 4 that resets;
7. with the second convex junction plate 11 and two pairs of angle steel 8 welding, finish the process of whole self reset curvature-prevention support component;
The specific embodiment six: as shown in figure 11, present embodiment is that the utility model is installed in a embodiment in the actual engineering: the first convex junction plate 10 is connected with building structure frame gusset 14 by high-strength bolt 15 respectively with the second convex junction plate 11, finishes installation.
Operating principle: the course of work of the present utility model can be divided into following four-stage, in conjunction with Fig. 7-shown in Figure 11: 1. the utility model initial stressed stage: this moment, supporting member length was former long L, when applying external force, square outer tube 1 and square inner sleeve 2 at first will overcome the prestressing force in the muscle 4 that resets, when external force reaches certain level, square outer tube 1 and square inner sleeve 2 are about to begin relative motion, as shown in Figure 7; 2. square outer tube 1 phase square shaped inner sleeve 2 moves right the stage: when external force continues to strengthen, square outer tube 1 and the relative slip of square inner sleeve 2 beginnings, the utility model elongation this moment, deflection is designated as δ, because inner core plates 3 one ends are connected on the square outer tube 1, the other end is connected on the square inner sleeve 2, makes the inner core plates 3 generation plastic strain that is stretched when square outer tube 1 and 2 relative motions of square inner sleeve, thereby plays the power consumption effect; Square inner sleeve 2 pushes away first end plate 5 left simultaneously, and square outer tube 1 pushes away second end plate 6 to the right, and so, first end plate 5 and second end plate 6 are done away from motion, and the muscle 4 that resets is constantly extended, and restoring force is provided, as shown in Figure 8; 3. the utility model reseting stage: when supporting member reaches maximum distortion, external force reduces or oppositely, because prestressed effect, muscle (rope) the 4 pulling two end plates 6,5 that reset certainly do relative motion, thereby drive shape outer tube 1 and square inner sleeve 2 and do reseting movement, up to getting back to starting point.This moment, then the utility model resetted, as shown in Figure 9 if external force removes; 4. square outer tube 1 phase square shaped inner sleeve 2 is motion stage left: external force is reverse if the utility model resets the back, and then square outer tube 1 and square inner sleeve 2 continue counter motion.At this moment, square inner sleeve 2 promotes second end plate 6, and square outer tube 1 promotes first end plate 5, first end plate 5 and second end plate 6 are done the motion away from direction, this moment, inner core plates 3 states of curvature-prevention support component were pressurized, and the supporting member deforming amount is designated as-δ, as shown in figure 10.

Claims (4)

1. self reset curvature-prevention support component, it is characterized in that described curvature-prevention support component is by square outer tube (1), square inner sleeve (2), first end plate (5), second end plate (6), the first convex junction plate (10), the second convex junction plate (11), two energy consumption inner core plates (3), the many muscle that reset (4), two junction plates (7) and two pairs of angle steel (8) constitute, the described first convex junction plate (10) is arranged between two energy consumption inner core plates (3), and each is affixed with an energy consumption inner core plates (3) for the upper side wall of the described first convex junction plate (10) and lower wall, and it is outside and the two is affixed that each junction plate (7) is arranged on corresponding energy consumption inner core plates (3); The outside a pair of surface of described square outer tube (1) respectively is provided with a pair of angle steel (8), one end of a pair of angle steel (8) and square outer tube (1) are affixed, and every pair of angle steel (8) forms groove (8-1) with square outer tube (1), described square inner sleeve (2) is arranged between two energy consumption inner core plates (3), and described square inner sleeve (2) is pegged graft with the first convex junction plate (10), each welds two energy consumption inner core plates (3) with upper side wall and lower wall that square inner sleeve (2) is positioned at inserted terminal, and the distance of welding is 10~20cm along its length;
Described square inner sleeve (2), two energy consumption inner core plates (3) and the first convex junction plate (10) are arranged in the square outer tube (1), and each contacts two sidewalls of each square inner core plates (3) with the corresponding sidewall of square outer tube (1), each junction plate (7) is arranged in the groove (8-1), and each junction plate (7) is affixed with a pair of angle steel (8), be provided with the many muscle that reset (4) in the described square inner sleeve (2), one end of the every muscle that resets (4) is connected with first end plate (5), the other end of the every muscle that resets (4) is connected with second end plate (6), described first end plate (5) is provided with the through hole (5-1) that is complementary with first convex junction plate (10) the smaller diameter end shape, the through hole (5-1) that the described first convex junction plate (10) passes first end plate (5) is arranged on the outside of first end plate (5), the both sides end face of described square outer tube (1) contacts with second end plate (6) with first end plate (5) respectively, and the larger diameter end of the described second convex junction plate (11) is packed in two pairs of angle steel (8).
2. according to the described a kind of self reset curvature-prevention support component of claim 1, it is characterized in that the gap between each energy consumption inner core plates (3) and square inner sleeve (2) upper side wall and the lower wall respectively is 1-2mm.
3. according to claim 1 or 2 described a kind of self reset curvature-prevention support components, it is characterized in that the gap between the sidewall of the sidewall of described square inner sleeve (2) and square outer tube (1) is 1-2mm.
4. according to the described a kind of self reset curvature-prevention support component of claim 3, it is characterized in that every compound muscle (4) is reinforcing bar or composite fibre muscle.
CN2010202093756U 2010-05-31 2010-05-31 Self-resetting anti-bending bracing member CN201687219U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010202093756U CN201687219U (en) 2010-05-31 2010-05-31 Self-resetting anti-bending bracing member

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010202093756U CN201687219U (en) 2010-05-31 2010-05-31 Self-resetting anti-bending bracing member

Publications (1)

Publication Number Publication Date
CN201687219U true CN201687219U (en) 2010-12-29

Family

ID=43375504

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2010202093756U CN201687219U (en) 2010-05-31 2010-05-31 Self-resetting anti-bending bracing member

Country Status (1)

Country Link
CN (1) CN201687219U (en)

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101824922A (en) * 2010-05-31 2010-09-08 哈尔滨工业大学 Self reset curvature-prevention support component
CN102852245A (en) * 2012-07-31 2013-01-02 东南大学 Fiber pre-drawing-rod type self-centering round tube buckling restrained support
CN103088932A (en) * 2011-11-08 2013-05-08 建研科技股份有限公司 Anti-bending friction support
CN103206029A (en) * 2013-05-10 2013-07-17 东南大学 Micro-vibration energy-consumption viscoelastic buckling restrained brace
CN103243834A (en) * 2013-05-25 2013-08-14 吕西林 Self-resetting support
CN103967157A (en) * 2014-04-15 2014-08-06 北京工业大学 Tubular single plate self-resetting prestressing anti-buckling support for assembled steel structure
CN104831826A (en) * 2015-04-30 2015-08-12 东南大学 Lap-jointed self-centering buckling-restrained brace
CN105421610A (en) * 2015-11-18 2016-03-23 同济大学 Self-resetting soft steel energy dissipating brace
CN106401254A (en) * 2016-09-14 2017-02-15 东南大学 Self-reset steel framework structure for restraining energy consumption of core plate through buckling
CN106567324A (en) * 2016-11-11 2017-04-19 北京工业大学 All-steel self-restoring buckling-restrained brace based on disc spring
CN107288399A (en) * 2017-07-25 2017-10-24 山东大学 Buckling restrained brace, building and assemble method containing L-type dissipative cell
CN107476459A (en) * 2017-07-25 2017-12-15 山东大学 Buckling restrained brace, building and assemble method containing yi word pattern dissipative cell
WO2019019849A1 (en) * 2017-07-25 2019-01-31 山东大学 Buckling restrained brace containing linear energy dissipation element, building and assembly method
WO2019019850A1 (en) * 2017-07-25 2019-01-31 山东大学 Buckling restrained brace having l-shaped energy-dissipation element, building, and assembling method

Cited By (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101824922A (en) * 2010-05-31 2010-09-08 哈尔滨工业大学 Self reset curvature-prevention support component
CN103088932A (en) * 2011-11-08 2013-05-08 建研科技股份有限公司 Anti-bending friction support
CN103088932B (en) * 2011-11-08 2015-10-28 建研科技股份有限公司 Anti-buckling friction support
CN102852245A (en) * 2012-07-31 2013-01-02 东南大学 Fiber pre-drawing-rod type self-centering round tube buckling restrained support
CN103206029B (en) * 2013-05-10 2015-04-08 东南大学 Micro-vibration energy-consumption viscoelastic buckling restrained brace
CN103206029A (en) * 2013-05-10 2013-07-17 东南大学 Micro-vibration energy-consumption viscoelastic buckling restrained brace
CN103243834B (en) * 2013-05-25 2015-02-18 吕西林 Self-resetting support
CN103243834A (en) * 2013-05-25 2013-08-14 吕西林 Self-resetting support
CN103967157A (en) * 2014-04-15 2014-08-06 北京工业大学 Tubular single plate self-resetting prestressing anti-buckling support for assembled steel structure
CN104831826A (en) * 2015-04-30 2015-08-12 东南大学 Lap-jointed self-centering buckling-restrained brace
CN105421610B (en) * 2015-11-18 2018-01-02 同济大学 Self-resetting mild steel energy dissipation support
CN105421610A (en) * 2015-11-18 2016-03-23 同济大学 Self-resetting soft steel energy dissipating brace
CN106401254A (en) * 2016-09-14 2017-02-15 东南大学 Self-reset steel framework structure for restraining energy consumption of core plate through buckling
CN106567324A (en) * 2016-11-11 2017-04-19 北京工业大学 All-steel self-restoring buckling-restrained brace based on disc spring
CN106567324B (en) * 2016-11-11 2018-06-19 北京工业大学 A kind of all steel self reset curvature-prevention support based on disc spring
CN107288399A (en) * 2017-07-25 2017-10-24 山东大学 Buckling restrained brace, building and assemble method containing L-type dissipative cell
CN107476459A (en) * 2017-07-25 2017-12-15 山东大学 Buckling restrained brace, building and assemble method containing yi word pattern dissipative cell
WO2019019849A1 (en) * 2017-07-25 2019-01-31 山东大学 Buckling restrained brace containing linear energy dissipation element, building and assembly method
WO2019019850A1 (en) * 2017-07-25 2019-01-31 山东大学 Buckling restrained brace having l-shaped energy-dissipation element, building, and assembling method
CN107476459B (en) * 2017-07-25 2019-03-08 山东大学 Buckling restrained brace, building and assemble method containing "-" type dissipative cell
CN107288399B (en) * 2017-07-25 2019-05-10 山东大学 Buckling restrained brace, building and assemble method containing L-type dissipative cell
US10858827B2 (en) 2017-07-25 2020-12-08 Shandong University Buckling-restrained brace with flat energy dissipation element, building and assembly method

Similar Documents

Publication Publication Date Title
CN103243819B (en) Assembly concrete post-girder steel energy-dissipating type nodal connection device
CN101798849B (en) Node connection device for self-centering prestressed concrete frame
CN201762818U (en) FRP-rubber-steel compound pipe concrete structure
CN103088933B (en) A kind of collaborative power consumption curvature-prevention support component with large shake defencive function
CN201883570U (en) Vented energy-dissipation steel plate wall
CN102734367B (en) Friction damper
CN102363978B (en) Hole-expanding type steel structure beam column node in short T-shaped steel connection and connection method of hole-expanding type steel structure beam column node
CN102808464B (en) Fiber pre-stretched rod type self-centering steel buckling-restrained brace
CN103362210B (en) Prestress assembly frame structure
CN202347664U (en) High-ductility steel structure beam column node connected through angle iron
CN103195186A (en) Steel pipe assembling steel structure prestressed buckling preventing support
CN101545289B (en) All-steel buckling-preventing energy-consuming brace
CN103696498B (en) Easily steel hetermorphiscal column-center support is repaired after a kind of shake
CN103195185A (en) I-shaped single-plate assembling steel structure prestressed buckling preventing support
CN100410464C (en) Mixed type marmem damper
KR100952404B1 (en) Hybrid Buckling Restrained Brace
CN105040831B (en) A kind of self reset curvature-prevention supports beam-column node
CN206309097U (en) The replaceable assembled buckling restrained brace of section is surrendered after one kind shake
CN1973098A (en) Self-centering energy dissipative brace apparatus with tensioning elements
CN103195187A (en) Angle steel assembly type steel structure prestressed buckling-restrained brace
CN100449096C (en) Device for stabilizing supporting structure
CN101196017B (en) Mixed mode shape memory alloy frictional damper
CN109057018B (en) Self-resetting column base node based on shape memory alloy bar and steel structure building
KR101112577B1 (en) Double Steel Frame Earthquake-Proof Device
CN108951908B (en) Frame shear wall structure with swing energy dissipation column

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20101229

Effective date of abandoning: 20111109