CN110242092A - A kind of folding structure Internal force control fuse unit - Google Patents
A kind of folding structure Internal force control fuse unit Download PDFInfo
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- CN110242092A CN110242092A CN201910625307.3A CN201910625307A CN110242092A CN 110242092 A CN110242092 A CN 110242092A CN 201910625307 A CN201910625307 A CN 201910625307A CN 110242092 A CN110242092 A CN 110242092A
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- fuse
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- folding
- internal force
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 33
- 239000010959 steel Substances 0.000 claims abstract description 33
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 3
- 238000005488 sandblasting Methods 0.000 claims description 3
- 230000006378 damage Effects 0.000 abstract description 11
- 230000009471 action Effects 0.000 abstract description 5
- 238000011084 recovery Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 210000001015 abdomen Anatomy 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000009510 drug design Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 230000003313 weakening effect Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
- E04H9/022—Bearing, supporting or connecting constructions specially adapted for such buildings and comprising laminated structures of alternating elastomeric and rigid layers
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/024—Structures with steel columns and beams
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
- E04B2001/2415—Brackets, gussets, joining plates
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
- E04B2001/2418—Details of bolting
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
- E04B2001/2442—Connections with built-in weakness points
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Environmental & Geological Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Vibration Dampers (AREA)
Abstract
The invention discloses a kind of folding structure Internal force control fuse units, slotted hole is provided on steel beam flange and steel beam web plate, weaken in the middle part of the fuse of the edge of a wing and folds, constitute edge of a wing fuse fold domain, edge of a wing fuse join domain is arranged in edge of a wing fuse both ends, and it is provided with bolt hole, the connection of folded form fuse is connected by high-strength bolts between steel beam flange both ends, circular hole is provided on web connecting members, the web connecting members connect steel beam web plate, and all connections are all made of high-strength bolt friction-type connection；Fuse of the present invention integrally has interior force threshold control action to structure.When earthquake occurs, control structure internal force and damage, protection main structure is intact when shaking greatly.After shake, the damage self-recognition function based on fuse determines structure integrality, to the house for being subjected to earthquake attack, the quantitative identification and assessment result for providing configuration state.And by the replacement to fuse unit, realizes the fast quick-recovery of structure function, reduce rehabilitation cost.
Description
Technical field
The present invention relates to building structure seismic Damage control technology field more particularly to a kind of folding structure Internal force controls
Fuse unit.
Background technique
Earthquake brings huge Loss of Life and property to the people, and building of largely collapsing causes a tremendous loss of lives, and gives people
The people bring huge psychological pressure and badly off.From the point of view of the earthquake and the investigation of restoration and reconstruction speed after calamity, do not collapse
Building equally brings huge security risk, and the reconstruction speed in disaster area is seriously affected to assessment, dismounting and the reconstruction of such building.
After shake, a large amount of impaired building losses of function that do not collapse but have interrupted the production and living of people, have caused huge warp
Ji loss.Though the characteristics of such building is not collapse, damages throughout structure, loses it completely or partially using function,
Under the premise of the ruins referred to as stood, then not evaluated or reparation, such building will be in the hole always.
Meanwhile such house state is not easy to be identified, and has largely delayed the speed of earthquake-stricken area restoration and reconstruction.Right
It is found in the reconstruction process of disaster area, such house needs to determine its damage situations by tight careful assessment, be damaged slight need
Repairing can use, and be damaged serious person and need to remove reconstruction.
Compared with concrete structure, though steel construction has good plasticity and ductility, its Plastic Damage is more simultaneously
It is not easy to be noticeable, and couples the influence of the multinomial uncertain factors such as weld seam construction, bolt strength, internal defects of steel, to steel knot
The grasp of structure degree of injury is more difficult, also more complicated cumbersome to the identification of steel construction and reparation after shake, when expending a large amount of
Between and resource.
Summary of the invention
The object of the invention is that providing a kind of folding structure Internal force control fuse to solve the above-mentioned problems
Device.
The present invention through the following technical solutions to achieve the above objectives:
It is provided with slotted hole in steel beam flange of the present invention and steel beam web plate, weakens and folds in the middle part of the fuse of the edge of a wing, constitute the wing
Edge fuse fold domain, edge of a wing fuse join domain is arranged in edge of a wing fuse both ends, and is provided with bolt hole, folded form
Fuse connection is connected by high-strength bolts between steel beam flange both ends, and circular hole is provided on web connecting members, and the web connects
Fitting connects steel beam web plate, and all connections are all made of high-strength bolt friction-type connection；
Preferably, the raw red rust of the edge of a wing fuse join domain tow sides sandblasting.
Preferably, edge of a wing fuse fold domain can be divided into face, two kinds of folding modes of face outer folding.
Preferably, edge of a wing fuse fold domain is using arc-shaped folding or linear type folding mode.
Preferably, fold sequence is coordinated when boundary condition is identical in edge of a wing fuse fold domain, meets stabilization and holds
Carry the output of power.
Preferably, the more limb structures of edge of a wing fuse fold domain opposite interior folding.
Preferably, edge of a wing fuse fold domain is the structure that more setback are folded.
The beneficial effects of the present invention are:
The present invention is a kind of folding structure Internal force control fuse unit, compared with prior art, fuse of the present invention
Integrally there is interior force threshold control action to structure.When earthquake occurs, main body knot is protected in control structure internal force and damage when shaking greatly
Structure is intact.After shake, the damage self-recognition function based on fuse determines structure integrality, to be subjected to earthquake attack house,
The quantitative identification and assessment result for providing configuration state.And by the replacement to fuse unit, the fast of structure function is realized
Quick-recovery reduces rehabilitation cost.
Detailed description of the invention
Fig. 1 is decomposition texture schematic diagram of the invention；
Fig. 2 is the overall structure figure of the embodiment of the present invention 1；
Fig. 3 is the edge of a wing fuse schematic diagram of the embodiment of the present invention 1；
Fig. 4 is web connecting members schematic diagram of the invention；
Fig. 5 is the overall structure figure of the embodiment of the present invention 2；
Fig. 6 is the edge of a wing fuse schematic diagram of the embodiment of the present invention 2；
Fig. 7 is the overall structure figure of the embodiment of the present invention 3；
Fig. 8 is the edge of a wing fuse schematic diagram of the embodiment of the present invention 3；
Fig. 9 is the overall structure figure of the embodiment of the present invention 4；
Figure 10 is the edge of a wing fuse schematic diagram of the embodiment of the present invention 4；
Figure 11 is the overall structure figure of the embodiment of the present invention 5；
Figure 12 is the edge of a wing fuse schematic diagram of the embodiment of the present invention 5；
Figure 13 is the overall structure figure of the embodiment of the present invention 6；
Figure 14 is the edge of a wing fuse schematic diagram of the embodiment of the present invention 6；
Figure 15 is the overall structure figure of the embodiment of the present invention 7；
Figure 16 is the edge of a wing fuse schematic diagram of the embodiment of the present invention 7；
Figure 17 is the overall structure figure of the embodiment of the present invention 8；
Figure 18 is the edge of a wing fuse schematic diagram of the embodiment of the present invention 8；
In figure: 1, edge of a wing fuse, 2, web connecting members, 3, high-strength bolt, 4, slotted hole, 5, the folding of edge of a wing fuse
Region, 6, edge of a wing fuse join domain, 7, steel beam flange, 8- steel beam web plate.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings:
As shown in Fig. 1 to Figure 18: slotted hole 4 is provided in steel beam flange 7 of the present invention and steel beam web plate 8, in edge of a wing fuse 1
Portion weakens and folds, and constitutes edge of a wing fuse fold domain 5, and edge of a wing fuse bonding pad is arranged in 1 both ends of edge of a wing fuse
Domain 6, and it is provided with bolt hole, the connection of folded form fuse is connected between steel beam flange both ends by high-strength bolt 3, web connection
Circular hole is provided on part 2, the web connecting members connect steel beam web plate, and all connections are all made of high-strength bolt friction-type connection；
Preferably, the raw red rust of the edge of a wing fuse join domain tow sides sandblasting.
Preferably, edge of a wing fuse fold domain can be divided into face, two kinds of folding modes of face outer folding.
Preferably, edge of a wing fuse fold domain is using arc-shaped folding or linear type folding mode.
Preferably, fold sequence is coordinated when boundary condition is identical in edge of a wing fuse fold domain, meets stabilization and holds
Carry the output of power.
Preferably, the more limb structures of edge of a wing fuse fold domain opposite interior folding.
Preferably, edge of a wing fuse fold domain is the structure that more setback are folded.
Embodiment 1
A kind of folding structure Internal force control fuse unit, structure is as shown in Fig. 2, include being placed in following table in steel beam flange
The Internal force control folded form fuse 1 in face is placed in the web connecting members 2 of steel beam web plate two sides, connects fuse, web connecting members
With the high-strength bolt 3 of girder steel, bolt hole 4, fold domain 5, join domain 6.Folded form fuse surface is provided with bolt hole, side
Just it is connected using high-strength bolt friction-type connection with steel beam flange.Steel beam flange and web are provided with slotted hole, in geological process
Median ventral plate connector bears the shearing of beam, and the setting of slotted hole guarantees that web connecting members have certain turning power, conveniently exists
Girder steel there are residual deformation in the case where fuse is replaced.It is provided with circular hole on web connecting members, facilitates connector and abdomen
Plate is connected.The fold domain and the company being connect with steel beam flange that the folding fuse is handled by a section by weakening and pre-folded
Region two parts composition is connect, can need to adjust fold domain length according to structure, most weak cross section parameter (width, thickness), fold
Form and degree.Fuse enters plasticity prior to structure under geological process, to reach control structure internal force and protection knot
The effect of structure.It can be replaced according to fuse damage situations after shake, improve the toughness in region and city, accelerate to restore speed
Degree.
Embodiment 2
A kind of folding structure Internal force control fuse unit, structure is as shown in figure 5, itself and fuse in embodiment 1
Arrangement form is consistent, and difference is that the folded form of fold domain in the middle part of fuse is different, its pre-folded is in the arc-shaped, such as schemes
Shown in 6.External load acts on lower folded portion and plane buckling deformation occurs, so that fuse is in folding flexion always, mentions
The stability of high fuse.The most weak cross section parameter of fuse, fold height, the ginseng such as length can be set according to structure requirement
Number.
Embodiment 3
A kind of folding structure Internal force control fuse unit, structure is as shown in fig. 7, itself and fuse in embodiment 1
Arrangement form is consistent, and difference is that fuse is changed to the mode of single band folding, and folding mode is simpler clear, to fuse
Stable bearing capacity and energy dissipation capacity is accurately calculated, and realizes the Internal force control effect of fuse, as shown in Figure 8.
Embodiment 4
A kind of folding structure Internal force control fuse unit, structure is as shown in figure 9, itself and fuse in embodiment 2
Arrangement form is consistent, and difference is that fuse is changed to the mode of single band folding, as shown in Figure 10.
Embodiment 5
A kind of folding structure Internal force control fuse unit, structure is as shown in figure 11, with fuse in embodiment 3
Arrangement form is consistent.Difference is that folded form fuse is changed to the form of face interior folding, and section middle part is by two previously folded limbs
It constitutes, as shown in figure 12.Under the effect of structure external load, folding bending deformation in two limb generating surfaces provides axis for fuse
To drag, while the width, height and pre-folded degree of each limb can be adjusted according to structural behaviour.
Embodiment 6
A kind of folding structure Internal force control fuse unit, structure is as shown in figure 13, with fuse in embodiment 1
Arrangement form is consistent.Difference is that the folding mode of fuse pre-folded part becomes multiband outside face and folds, can be according to design
It needs, adjusts the wave band number of folding, to obtain stable bearing capacity and good energy dissipation capacity, as shown in figure 14.
Embodiment 7
A kind of folding structure Internal force control fuse unit, structure is as shown in figure 15, with fuse in embodiment 2
Arrangement form is consistent.Difference is that the folding mode of fuse pre-folded part becomes more circular arc wave bands outside face and folds, such as Figure 16
It is shown.
Embodiment 8
A kind of folding structure Internal force control fuse unit, structure is as shown in figure 17, with fuse in embodiment 6
Arrangement form is consistent, and difference is that fuse is changed to the mode that single band layering folds, and the suitable of each layer folding is determined by calculation
Sequence guarantees that fuse is acted in the Internal force control of each deformation state, as shown in 18.
Working principle of the present invention is as follows:
For structure under the lateral actions such as earthquake, girder steel end preferably generates plastic hinge under curved scissors collective effect.The application is as schemed
Shown in 1, girder steel section is disconnected at fuse unit, and folded form fuse connects steel beam flange, and web connecting members connect web, abdomen
It is provided with slotted hole on plate, while guaranteeing that beam can be rotated sufficiently, bears section shear.Girder steel is mainly by upper lower flange
It draws, pressure drag forms couple and resists section turn moment.Folded form fuse tension, pressure the edge of a wing under the action of, fold domain prior to
Beam-ends is surrendered, and the folding bending deformation in generating surface or outside face can be by fuse while effectively providing drag for section
The rational design of device flexural property is played the role of utilizing fuse unit control member and structural behaviour.In seismic process,
Fuse unit deforms prior to structure, plays threshold value control action, protects main structure, and control structure internal force reduces knot
Structure degree of injury.After shake, to the biggish structure of deformation extent, the fast of structure function can be realized by way of replacing fuse
Speed is repaired, and rehabilitation cost and time are reduced.
Basic principles and main features and advantages of the present invention of the invention have been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (7)
1. a kind of folding structure Internal force control fuse unit, it is characterised in that: be provided with length on steel beam flange and steel beam web plate
Circular hole, edge of a wing fuse middle part weaken and fold, and constitute edge of a wing fuse fold domain, and the wing is arranged in edge of a wing fuse both ends
Edge fuse join domain, and it is provided with bolt hole, the connection of folded form fuse passes through high-strength bolt between steel beam flange both ends
It connects, circular hole is provided on web connecting members, the web connecting members connect steel beam web plate, and all connections are all made of high-strength bolt
Friction-type connection.
2. a kind of folding structure Internal force control fuse unit according to claim 1, it is characterised in that: the edge of a wing is protected
The raw red rust of dangerous silk join domain tow sides sandblasting.
3. according to a kind of folding structure Internal force control fuse unit described in claim 1, it is characterised in that: the edge of a wing insurance
Silk fold domain can be divided into face, two kinds of folding modes of face outer folding.
4. according to a kind of folding structure Internal force control fuse unit described in claim 1, it is characterised in that: the edge of a wing insurance
Silk fold domain is using arc-shaped folding or linear type folding mode.
5. according to a kind of folding structure Internal force control fuse unit described in claim 1, it is characterised in that: the edge of a wing insurance
Coordinate fold sequence when boundary condition is identical, meet the output of stability bearing capacity in silk fold domain.
6. according to a kind of folding structure Internal force control fuse unit described in claim 1, it is characterised in that: the edge of a wing insurance
The silk more limb structures of fold domain opposite interior folding.
7. according to a kind of folding structure Internal force control fuse unit described in claim 1, it is characterised in that: the edge of a wing insurance
Silk fold domain is the structure that more setback are folded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910625307.3A CN110242092A (en) | 2019-07-11 | 2019-07-11 | A kind of folding structure Internal force control fuse unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910625307.3A CN110242092A (en) | 2019-07-11 | 2019-07-11 | A kind of folding structure Internal force control fuse unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110242092A true CN110242092A (en) | 2019-09-17 |
Family
ID=67891925
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910625307.3A Pending CN110242092A (en) | 2019-07-11 | 2019-07-11 | A kind of folding structure Internal force control fuse unit |
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| Country | Link |
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| CN (1) | CN110242092A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111749335A (en) * | 2020-07-31 | 2020-10-09 | 西安建筑科技大学 | Assembled steel construction beam column power consumption connecting key |
| CN112982710A (en) * | 2021-03-04 | 2021-06-18 | 上海市建筑科学研究院有限公司 | Assembled self-resetting buckling-restrained brace with locking function |
| CN113006574A (en) * | 2020-12-24 | 2021-06-22 | 北京工业大学 | Floor, bidirectional stiffening rigid part and flange plate overhanging web shear type combined node connected by replaceable energy-consuming beam section in laminated mode |
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| CN111749335A (en) * | 2020-07-31 | 2020-10-09 | 西安建筑科技大学 | Assembled steel construction beam column power consumption connecting key |
| CN113006574A (en) * | 2020-12-24 | 2021-06-22 | 北京工业大学 | Floor, bidirectional stiffening rigid part and flange plate overhanging web shear type combined node connected by replaceable energy-consuming beam section in laminated mode |
| CN113006574B (en) * | 2020-12-24 | 2022-05-24 | 北京工业大学 | Combined node for laminated connection of floor slab, bidirectional stiffening rigid part and flange plate overhanging web shear type replaceable energy-consuming beam section |
| CN112982710A (en) * | 2021-03-04 | 2021-06-18 | 上海市建筑科学研究院有限公司 | Assembled self-resetting buckling-restrained brace with locking function |
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