CN110206225A - The shearing steel truss coupling beam of fast quick-recovery after a kind of shake with frcition damper - Google Patents
The shearing steel truss coupling beam of fast quick-recovery after a kind of shake with frcition damper Download PDFInfo
- Publication number
- CN110206225A CN110206225A CN201910538235.9A CN201910538235A CN110206225A CN 110206225 A CN110206225 A CN 110206225A CN 201910538235 A CN201910538235 A CN 201910538235A CN 110206225 A CN110206225 A CN 110206225A
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- China
- Prior art keywords
- friction
- web member
- diagonal web
- frcition damper
- mainboard
- Prior art date
- Legal status (The legal status 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 status listed.)
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 48
- 239000010959 steel Substances 0.000 title claims abstract description 48
- 230000008878 coupling Effects 0.000 title claims abstract description 31
- 238000010168 coupling process Methods 0.000 title claims abstract description 31
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 31
- 238000010008 shearing Methods 0.000 title claims abstract description 19
- 238000011084 recovery Methods 0.000 title claims abstract description 16
- 238000000034 method Methods 0.000 claims abstract description 8
- 230000008569 process Effects 0.000 claims abstract description 6
- 238000006073 displacement reaction Methods 0.000 claims description 5
- 229910001369 Brass Inorganic materials 0.000 claims description 4
- 239000010951 brass Substances 0.000 claims description 4
- 238000010276 construction Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 3
- 238000013016 damping Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 210000001015 abdomen Anatomy 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002783 friction material Substances 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04C—STRUCTURAL ELEMENTS; BUILDING MATERIALS
- E04C3/00—Structural elongated elements designed for load-supporting
- E04C3/02—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces
- E04C3/04—Joists; Girders, trusses, or trusslike structures, e.g. prefabricated; Lintels; Transoms; Braces of metal
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Environmental & Geological Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Vibration Dampers (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The present invention provides a kind of shearing steel truss coupling beams of quick-recovery fast after shake with frcition damper, including chord member, diagonal web member and frcition damper.The present invention is consumed energy on the basis of common steel truss coupling beam using frcition damper, and the frcition damper includes: friction mainboard, friction plate, cover board and friction-type bolt；Simple structure, it is easy for construction.Under small shake, the shearing steel truss coupling beam with frcition damper is not slid, and is equivalent to common steel truss coupling beam, is provided lateral rigidity for structure；Under middle shake, after having reached sliding load, frcition damper is slid, thus friction energy-dissipating, and most of energy of earthquake is consumed by frcition damper.The shearing steel truss coupling beam of fast quick-recovery is under geological process after shake of the present invention with frcition damper, intensity is not degenerated, and do not destroy, the friction plate for checking, replacing frcition damper is only needed after shake, has the advantages that rehabilitation expense is low, timely uses after shake.
Description
Technical field
The invention belongs to civil engineering energy-dissipating and shock-absorbing technical fields, and in particular to after a kind of shake with frcition damper quickly
The shearing steel truss coupling beam of recovery.
Background technique
Coupling beam is energy dissipation component important in shear wall system and Frame-Shear Wall system, it is adjacent by ensureing
The transmitting of power, is effective against tilting moment between wall limb.Reinforced concrete coupling beams are made in performance at all due to material factor
About, thus in recent years the steel construction coupling beam with excellent energy consumption and ductile performance is proposed.On this basis, steel truss coupling beam
Not only have many advantages, such as the various advantages of steel coupling beam, also has saving steel, rod piece flexible arrangement, replacement convenient.Work as steel truss
The span-depth radio of coupling beam is smaller, and steel truss coupling beam is mainly based on shear-deformable, and under geological process, tension and compression become diagonal web member repeatedly
Shape enters plasticity prior to chord member.Steel truss coupling beam mainly passes through plastic deformation dissipation seismic energy, plays disappear to a certain extent
Subtract the effect of seismic energy；But due to these deformation be all it is irreversible, cause shake after reparation difficulty it is larger.By in structure
It is middle to introduce sinker to weaken the geological process of main structure, have proven to a kind of effective method.Wherein frictional damping
The scraping mechanism of device is concisely reasonable, and energy consumption property is good, is influenced less by extraneous objective condition, and easy to make, material is simple and easy to get, just
In popularization, therefore there is good development prospect.
Summary of the invention
To solve the above problems, the invention proposes a kind of shearing-type steel truss of quick-recovery fast after shake with frcition damper
Frame coupling beam, frcition damper, which is located at, to be deformed at biggish diagonal web member.
Technical solution of the present invention:
The shearing steel truss coupling beam of fast quick-recovery after a kind of shake with frcition damper, mainly includes chord member 1, diagonal web member
And frcition damper.
The diagonal web member includes diagonal web member A2 and diagonal web member B7, and the frcition damper is by diagonal web member A2 and diagonal web member B7
It is connected as a diagonal web member；Two diagonal web member cross-fixings are between two chord members 1, two 1 keeping parallelisms of chord member；Wherein, two
The upper end of a diagonal web member A2 is separately fixed on the chord member 1 of top, and the lower end of two diagonal web member B7 is separately fixed at lower section chord member 1
On；
The frcition damper includes friction mainboard 3, friction plate 6, cover board 4 and friction-type bolt 5；The lower part diagonal web member A2
Web surface sets gradually cover board 4, friction plate 6, friction mainboard 3 and friction plate 6 from outside to inside；3 top of friction mainboard is set
There is long slot hole to realize sliding, the axis direction of long slot hole is consistent with the length direction of diagonal web member A2；The diagonal web member A2, friction
Piece 6 and cover board 4 are machined with identical circular bolt holes, and on the position of circular bolt holes and friction mainboard 3 position of long slot hole
It is corresponding；There are gaps between diagonal web member A2, friction plate 6, friction mainboard 3 and cover board 4, and pass through friction-type bolt 5 and nut
Cooperation is fixed as one；It is described friction mainboard 3 lower part be fixed on the web on the top diagonal web member B7, thus by diagonal web member A2 with
Diagonal web member B7 is linked together, and ensures that there are gaps therebetween.
Further, the circular bolt holes on diagonal web member A2, friction plate 6 and cover board 4 both correspond to elongated slot on friction mainboard 3
The center in hole, when guaranteeing that friction mainboard 3 slides with respect to diagonal web member, forward and reverse sliding displacement is equal；It is described oblique
Gap between web member A2 and diagonal web member B7 is greater than the displacement that friction mainboard 3 slides.
Further, friction mainboard 3 and diagonal web member B7 are by being welded and fixed or being bolted fixation；Top chord member 1 and tiltedly
Web member A2 is by being welded and fixed；Lower section chord member 1 and diagonal web member B7 is by being welded and fixed.
Further, it is respectively mounted disk spring 8 below friction-type bolt 5 and nut, for preventing friction mainboard 3 from sliding
Friction-type bolt 5 occurs to loosen deformation in the process.
Further, chord member 1 is T-steel；Diagonal web member A2 is channel steel, H-type square steel or i shaped steel；Friction plate 6 is brass
Other friction materials such as friction plate, brake block.
Beneficial effects of the present invention:
(1) it is worked stage by stage by adjusting slip-load realization.Under small shake, the frcition damper is not slid, and is
Structure provides lateral rigidity；Under middle shake, frcition damper is slid, thus the earthquake energy that rubs.
It (2) can quickly prosthetic and protection main structure safety after shaking.The friction of frcition damper need to be only removed after shake
Material is checked, is replaced, and has the advantages that rehabilitation expense is low, timely uses after shake.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the embodiment of the present invention.
Fig. 2 is structural schematic diagram of the invention.
Fig. 3 is the longitudinal sectional view of frcition damper position in Fig. 1.
Fig. 4 is the radial cross-section of frcition damper position in Fig. 1.
Fig. 5 is the hysteresis loop of shearing steel truss coupling beam of the present invention with frcition damper.
In figure: 1 chord member；2 diagonal web member A；3 friction mainboards；4 cover boards；5 friction-type bolts；6 friction plates；7 diagonal web member B；8 dish
Shape spring.
Specific embodiment
With reference to the accompanying drawing and technical solution, a specific embodiment of the invention is further illustrated.
The shearing steel truss coupling beam of fast quick-recovery after a kind of shake with frcition damper of the present invention, including frictional damping
Device, chord member 1 and diagonal web member.
As shown in Figure 1, the diagonal web member includes diagonal web member A2 and diagonal web member B7, the frcition damper is by diagonal web member
A2 and diagonal web member B7 is connected as a diagonal web member；Between two chord members 1, two chord members 1 are kept for two diagonal web member cross-fixings
In parallel；Wherein, the upper end of two diagonal web member A2 is respectively welded on chord member 1 above, and the lower end of two diagonal web member B7 is respectively welded
On lower section chord member 1.
The frcition damper is mounted at the web of the lower part diagonal web member A2, and frcition damper includes friction mainboard 3, friction
Piece 6, cover board 4 and friction-type bolt 5；The web surface of the lower part diagonal web member A2 sets gradually cover board 4 from outside to inside, friction plate 6, rubs
Wipe mainboard 3 and friction plate 6；3 top of friction mainboard is equipped with long slot hole to realize sliding, the axis direction of long slot hole and oblique abdomen
The length direction of bar A2 is consistent；The diagonal web member A2, friction plate 6 and cover board 4 are machined with identical circular bolt holes, round spiral shell
The position of keyhole corresponds to the center of long slot hole on friction mainboard 3；Diagonal web member A2, friction plate 6, friction mainboard 3 and cover board 4
Between there are gaps, and cooperated by friction-type bolt 5 and nut and be fixed as one；In the lower section of friction-type bolt 5 and nut
It is respectively mounted disk spring 8, for preventing friction-type bolt 5 in friction 3 slipping of mainboard from occurring to loosen deformation；The friction master
Diagonal web member A2 and diagonal web member B7 are linked together by the lower weld of plate 3 on the web on the top diagonal web member B7, and ensure the two
Between there are gap, and gap is greater than the displacement that friction mainboard 3 slides.Rub mainboard 3, cover board 4, friction plate 6 and diagonal web member A2 it
Between also have enough spaces guarantee normal slip work and welding.Chord member 1 in the present embodiment is T-steel, diagonal web member 2
Select channel steel.
In Fig. 1, friction plate 6 is located on the web of the lower part diagonal web member A2, can guarantee that frcition damper works normally sliding
Friction；It and in non-model control area is in order to consistent at a distance from guaranteeing cover board 4 between diagonal web member A2, otherwise using friction plate 6
Eccentric bending moment can be generated, the normal work of frcition damper is influenced.
Fig. 5 is the hysteresis loop of shearing steel truss coupling beam of the present invention with frcition damper, and in the whole process, band rubs
The bearing capacity of shearing steel truss coupling beam of damper is wiped without reduction.After shake, frcition damper need to be only dismantled, checks friction plate
Whether need replacing；Checked after shake or repair process in, it is easy to operate, the period is short, can timely use.
Claims (8)
1. the shearing steel truss coupling beam of fast quick-recovery after a kind of shake with frcition damper, which is characterized in that the shearing-type
Steel truss coupling beam includes chord member (1), diagonal web member and frcition damper；
The diagonal web member includes diagonal web member A (2) and diagonal web member B (7), and the frcition damper is by diagonal web member A (2) and diagonal web member
B (7) is connected as a diagonal web member；Two diagonal web member cross-fixings are between two chord members (1), two chord member (1) keeping parallelisms；
Wherein, the upper end of two diagonal web member A (2) is separately fixed on top chord member (1), and the lower end of two diagonal web member B (7) is fixed respectively
On lower section chord member (1)；
The frcition damper includes friction mainboard (3), friction plate (6), cover board (4) and friction-type bolt (5)；Diagonal web member A (2)
The web surface of lower part sets gradually cover board (4), friction plate (6), friction mainboard (3) and friction plate (6) from outside to inside；It is described to rub
It wipes mainboard (3) top and is equipped with long slot hole to realize sliding, the axis direction of long slot hole is consistent with the length direction of diagonal web member A (2)；
The diagonal web member A (2), friction plate (6) and cover board (4) are machined with identical circular bolt holes, the position of circular bolt holes with
The position of long slot hole is corresponding in friction mainboard (3)；Between diagonal web member A (2), friction plate (6), friction mainboard (3) and cover board (4)
There are gaps, and are fixed as one by friction-type bolt (5) and nut cooperation；The lower part of friction mainboard (3) is fixed on
On the web on diagonal web member B (7) top, so that diagonal web member A (2) and diagonal web member B (7) is linked together, and ensure to stay therebetween
There is gap.
2. the shearing steel truss coupling beam of fast quick-recovery, feature after the shake according to claim 1 with frcition damper
It is, the circular bolt holes on the diagonal web member A (2), friction plate (6) and cover board (4) both correspond to elongated slot in friction mainboard (3)
The center in hole, when guaranteeing that friction mainboard (3) slides with respect to diagonal web member, forward and reverse sliding displacement is equal；It is described
Gap between diagonal web member A (2) and diagonal web member B (7) is greater than the displacement of friction mainboard (3) sliding.
3. the shearing steel truss coupling beam of fast quick-recovery after the shake according to claim 1 or 2 with frcition damper, special
Sign is that the friction mainboard (3) and diagonal web member B (7) are by being welded and fixed or being bolted fixation；Top chord member (1) and tiltedly
Web member A (2) is by being welded and fixed；Lower section chord member (1) is with diagonal web member B (7) by being welded and fixed.
4. the shearing steel truss coupling beam of fast quick-recovery after the shake according to claim 1 or 2 with frcition damper, special
Sign is, is respectively mounted disk spring (8) below the friction-type bolt (5) and nut, for preventing friction mainboard (3) sliding
Friction-type bolt (5) occurs to loosen deformation in the process.
5. the shearing steel truss coupling beam of fast quick-recovery, feature after the shake according to claim 3 with frcition damper
It is, is respectively mounted disk spring (8) below the friction-type bolt (5) and nut, for prevents friction mainboard (3) from sliding
Friction-type bolt (5) occurs to loosen deformation in journey.
6. according to claim 1, after the shake with frcition damper described in 2 or 5 fast quick-recovery shearing steel truss coupling beam,
It is characterized in that, the chord member (1) is T-steel；The diagonal web member A (2) is channel steel, H-type square steel or i shaped steel；The friction plate
It (6) is brass friction plate or brake block.
7. the shearing steel truss coupling beam of fast quick-recovery, feature after the shake according to claim 3 with frcition damper
It is, the chord member (1) is T-steel；The diagonal web member A (2) is channel steel, H-type square steel or i shaped steel；The friction plate (6)
For brass friction plate or brake block.
8. the shearing steel truss coupling beam of fast quick-recovery, feature after the shake according to claim 4 with frcition damper
It is, the chord member (1) is T-steel；The diagonal web member A (2) is channel steel, H-type square steel or i shaped steel；The friction plate (6)
For brass friction plate or brake block.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910538235.9A CN110206225A (en) | 2019-06-20 | 2019-06-20 | The shearing steel truss coupling beam of fast quick-recovery after a kind of shake with frcition damper |
| PCT/CN2019/096251 WO2020252835A1 (en) | 2019-06-20 | 2019-07-17 | Shear-type steel truss coupling beam having friction dampers for fast post-earthquake recovery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910538235.9A CN110206225A (en) | 2019-06-20 | 2019-06-20 | The shearing steel truss coupling beam of fast quick-recovery after a kind of shake with frcition damper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110206225A true CN110206225A (en) | 2019-09-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910538235.9A Pending CN110206225A (en) | 2019-06-20 | 2019-06-20 | The shearing steel truss coupling beam of fast quick-recovery after a kind of shake with frcition damper |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN110206225A (en) |
| WO (1) | WO2020252835A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114293674A (en) * | 2022-01-24 | 2022-04-08 | 河北科技大学 | Connecting beam with SMA friction composite damper and SMA friction composite damper |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115478631B (en) * | 2022-11-03 | 2023-06-16 | 重庆大学 | Hybrid self-resetting damping device capable of achieving multistage limiting energy consumption and application thereof |
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| CN102628300A (en) * | 2012-05-02 | 2012-08-08 | 广西大学 | Steel truss control connecting beam with friction node |
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| CN201952934U (en) * | 2010-12-20 | 2011-08-31 | 张蓬勃 | Friction damper filled with aluminum plate friction material |
| JP7005983B2 (en) * | 2017-07-21 | 2022-02-10 | 株式会社大林組 | Seismic structures, vibration damping mechanisms and brace members |
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| CN208122453U (en) * | 2018-02-02 | 2018-11-20 | 中国地震局工程力学研究所 | A kind of novel shearing steel truss coupling beam for assembling replacement |
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2019
- 2019-06-20 CN CN201910538235.9A patent/CN110206225A/en active Pending
- 2019-07-17 WO PCT/CN2019/096251 patent/WO2020252835A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101145881B1 (en) * | 2011-10-31 | 2012-05-15 | (주)대우건설 | Stud-type hybrid damper having steel damper and friction damper |
| CN102628300A (en) * | 2012-05-02 | 2012-08-08 | 广西大学 | Steel truss control connecting beam with friction node |
| JP2015197188A (en) * | 2014-04-02 | 2015-11-09 | 株式会社大林組 | friction damper |
| CN106149871A (en) * | 2016-07-01 | 2016-11-23 | 同济大学 | A kind of wooden frame or bamboo framework energy dissipation brace lateral resisting structure system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114293674A (en) * | 2022-01-24 | 2022-04-08 | 河北科技大学 | Connecting beam with SMA friction composite damper and SMA friction composite damper |
| CN114293674B (en) * | 2022-01-24 | 2023-06-16 | 河北科技大学 | Connecting beam with SMA friction composite damper and SMA friction composite damper |
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| Publication number | Publication date |
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| WO2020252835A1 (en) | 2020-12-24 |
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