CN108894318A - A kind of structure improving steel frame endurance and stiffness - Google Patents
A kind of structure improving steel frame endurance and stiffness Download PDFInfo
- Publication number
- CN108894318A CN108894318A CN201810520968.5A CN201810520968A CN108894318A CN 108894318 A CN108894318 A CN 108894318A CN 201810520968 A CN201810520968 A CN 201810520968A CN 108894318 A CN108894318 A CN 108894318A
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- frame
- stiffness
- endurance
- vierendeel girder
- armpit support
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 30
- 239000010959 steel Substances 0.000 title claims abstract description 30
- 238000010276 construction Methods 0.000 abstract description 5
- 230000002708 enhancing effect Effects 0.000 abstract description 4
- 239000010410 layer Substances 0.000 description 8
- 239000000463 material Substances 0.000 description 7
- 239000002356 single layer Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 4
- 230000008439 repair process Effects 0.000 description 3
- 238000009435 building construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 235000010627 Phaseolus vulgaris Nutrition 0.000 description 1
- 244000046052 Phaseolus vulgaris Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009408 flooring Methods 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
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/024—Structures with steel columns and beams
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Environmental & Geological Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Working Measures On Existing Buildindgs (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
The present invention relates to a kind of structures for improving steel frame endurance and stiffness, belong to construction steel structure technical field.The angular position of frame column of the present invention, Vierendeel girder, frame column and Vierendeel girder is supportted equipped with armpit, and armpit support is connect by gusset plate with frame column and Vierendeel girder.The requirement that armpit supports quantity, armpit support can be designed with the angle of frame column and Vierendeel girder according to structure determines, so that the reasonable stress of the structure.The present invention is conducive to frame structure space flexible arrangement, and reasonable stress is easy for construction, moreover it is possible to the whole endurance and stiffness of very big enhancing frame, while also having good rigidity anti-seismic performance.
Description
Technical field
The present invention relates to a kind of structures for improving steel frame endurance and stiffness, belong to construction steel structure technical field.
Background technique
With the continuous development of science and technology, steel-frame structure starts largely to use in building field, and steel frame has sky
Between separate flexibly, from heavy and light, the advantages that being conducive to antidetonation, save material, can more neatly cooperate horizontal planning of building, still
The lateral rigidity of steel-frame structure is small, belongs to flexible structure frame, under wind load and frequently occurred earthquake usually, structure has displacement
It generates, influences comfort；Under violent earthquake effect, horizontal displacement produced by structure is larger, easily causes serious unstructuredness
Broken property.Steel frame is the member structure being made of beam column, and bearing capacity and stiffness is all lower, is especially horizontally oriented（Even if
It is contemplated that cast-in-place walls and beam are worked together to improve flooring horizontal rigidity, but also it is limited）, its loading characteristic is similar
In vertical cantilever shear beam, aggregate level displacement is up big and down small, but relatively with for each floor, stratified deformation is up-small and down-big,
How improving the anti-side rigidity of frame when design and controlling structure lateral displacement is key factor.
The existing endurance and stiffness for being applied to improve steel frame is to add diagonal brace, inconocenter support, accentric support.Central supported
Very big rigidity can be improved, but its supporting role will fail after its surrender.Accentric support can improve very big rigidity, and
And have very good anti-seismic performance, but since its dissipative member is beam, repairs highly difficult and spend very big.And this
A little supports are not well positioned to meet the building requirements of some large spans.
Summary of the invention
The shortcomings that present invention is the prior art above-mentioned for customer service and deficiency provide and a kind of improve steel frame endurance and stiffness
Structure increases the whole endurance and stiffness of steel frame, has good anti-seismic performance and space requirement.
The purpose of the invention is achieved by the following technical solution：A kind of structure improving steel frame endurance and stiffness, including two
The vertical frame column 1 in side and the lateral Vierendeel girder 2 being fixed between two sides frame column 1,2 institute of the frame column 1 and Vierendeel girder
It is reinforced between the angle of formation by armpit support 3, armpit supports 3 both ends and connect respectively with frame column 1 and Vierendeel girder 2 by gusset plate 4.
Wherein to be detachably connected between armpit support 3 and gusset plate 4, to be convenient for changing；Armpit support 3 can using different form,
Different materials can be i shaped steel, steel pipe or anti-buckling support；The quantity and inclined angle of armpit support 3 are set according to demand
It sets, when multiple armpit support 3 are arranged, is parallel to each other between each armpit support；Whole steel-frame structure can be single span or multispan, list
Layer or multilayer；Multispan can be etc. across or unequal span, the layer height of multilayer can be equal or unequal.
The working principle of the invention：The present invention is arranged armpit by the angle of the beam and column in frame structure and supports, and changes
The force modes of frame, the horizontal component of armpit support and the internal force of Vierendeel girder form the bigger couple of a pair of of arm of force, make stress more
Rationally.And on the one hand armpit support provides basic rigidity, on the other hand can be used to consume energy, can not increase many material consumptions
On the basis of very big enhancing structure whole endurance and stiffness.
Beneficial effects of the present invention：
1, can on the basis of not increasing many material consumptions very big enhancing structure whole endurance and stiffness.
2, there is better anti-seismic performance, guarantee to consume energy simultaneously on the basis of rigidity is promoted.
3, the anti-side rigidity for improving frame can be stablized, dissipative member is that secondary member is conveniently replaceable and repairs, and cost is more
It is low, additionally it is possible to keep the characteristic of large span.
4, applied widely, it can be adapted for the building construction of single layer multilayer multispan, can also be applied big with single layer multilayer
The workshop of span.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram for improving steel frame endurance and stiffness of the present invention；
Fig. 2 is the structural schematic diagram at bean column node of the present invention；
Fig. 3 is a kind of structure example for improving steel frame endurance and stiffness of the present invention（Two layers of unequal span two across）Schematic diagram.
In figure：1-frame column；2-Vierendeel girders；The support of 3-armpits；4-gusset plates.
Specific embodiment
In the following with reference to the drawings and specific embodiments, the present invention is described in further detail, but embodiment party of the invention
Formula is without being limited thereto.
Embodiment 1：As shown in Figure 1, the structure of the steel frame endurance and stiffness in the present embodiment, including the frame that two sides are vertical
Column 1 and the lateral Vierendeel girder 2 being fixed between two sides frame column 1, the frame column 1 and Vierendeel girder 2 be formed by angle it
Between reinforced by armpit support 3, armpit supports 3 both ends and is connect with frame column 1 and Vierendeel girder 2 respectively by gusset plate 4.
The requirement that wherein number and inclined angle of armpit support 3 can be designed according to structure is determining, so that the structure
Reasonable stress, and meet the requirement using function, it is detachably connected between armpit support 3 and gusset plate 4.The setting of armpit support 3, changes
The force modes of frame, the internal force of horizontal component and Vierendeel girder 2 forms the bigger couple of a pair of of arm of force in armpit support 3, makes stress
More rationally.For providing basic rigidity, the armpit support 3 outside gusset plate 4 can be used to consume energy for armpit support 3 inside gusset plate 4, can
The whole endurance and stiffness of very big enhancing structure on the basis of not increasing many material consumptions.
Embodiment 2：Wherein armpit support 3 is settable multiple, and is parallel to each other.Be illustrated in figure 21 two layers not equal two across raising
The structural schematic diagram of steel frame endurance and stiffness, the quantity of armpit support 3 is set as 2 in the present embodiment, and the two is parallel to each other, wherein leaning on
The axis of armpit support 3 and the angle of 1 axis of frame column of nearly 2 angle of frame column 1 and Vierendeel girder are α1And 2 axis of Vierendeel girder
Angle is α2, the axis of armpit support 3 and the angle of 1 axis of frame column close to 2 angle of frame column 1 and Vierendeel girder are α3With frame
The angle of 2 axis of beam is α4, wherein α1=α2=α3=α4=45 °, the axis of the axis of armpit support 3,1 axis of frame column and Vierendeel girder 2
Isosceles right triangle is formed, two right-angle sides length is identical, and the right-angle side close to angle isl 1=80cm, two triangular right-angles
The difference on side isl 2=40cm, the single layer height of frameh=400cm；The material that frame column 1 uses is HM40x40x1x1.2, armpit support
3 materials used is HM10x10x0.8x10（Unit is cm）.Clearly to describe the problem, Vierendeel girder 2 presses the infinite end-of-term examination of rigidity
Consider, armpit support 3 and the intersection point of frame column 1 and Vierendeel girder 2 are hinged.Obtain the side of the structure of this raising steel frame endurance and stiffness
Moving is 0.0435cm.As shown in figure 3, applying the structure of the present embodiment in two layers of not equal two span centre, two across the distance between point
Not Wei 400cm and 800cm, a height of 400cm of layer, at this time by horizontal direction be 10KN external force, sidesway 0.0636cm.Just
Degree improves 31.6%.It can be seen that effect is fairly obvious.
Embodiment 3：This structure can be single span or multispan, single-layer or multi-layer；Multispan can be etc. across or unequal span, multilayer
Layer height can be equal or unequal, it is applied widely, can be adapted for the building construction of single layer multilayer multispan, can also be applied
With the workshop of single layer multilayer large-span.Armpit support 3 can be either anti-buckling support of i shaped steel, steel pipe etc., armpit support 3 and node
The detachable connection methods such as to be bolted between plate 4, dissipative member is that secondary member is conveniently replaceable and repairs, and cost is lower,
It can also keep the characteristic of large span.When the construction of this structure, opening is reserved, on frame column 1 and Vierendeel girder 2 with pre-buried node
Then armpit is supportted 3 both ends again and is fixed in gusset plate 4 by plate 4, the form of construction work of steel frame is identical as general steel-frame structure.
Above in conjunction with attached drawing, the embodiment of the present invention is explained in detail, but the present invention is not limited to above-mentioned
Embodiment within the knowledge of a person skilled in the art can also be before not departing from present inventive concept
Put that various changes can be made.
Claims (6)
1. a kind of structure for improving steel frame endurance and stiffness, it is characterised in that：Including the frame column that two sides are vertical（1）Be fixed on
Two sides frame column（1）Between lateral Vierendeel girder（2）, the frame column（1）And Vierendeel girder（2）It is formed by between angle and leads to
Cross armpit support（3）It reinforces, armpit support（3）Both ends pass through gusset plate（4）Respectively with frame column（1）And Vierendeel girder（2）Connection.
2. the structure according to claim 1 for improving steel frame endurance and stiffness, it is characterised in that：The frame column（1）With
Vierendeel girder（2）Between supportted by multiple armpits（3）It reinforces.
3. the structure according to claim 2 for improving steel frame endurance and stiffness, it is characterised in that：The multiple armpit support（3）
Between be parallel to each other.
4. the structure according to claim 1 for improving steel frame endurance and stiffness, it is characterised in that：The armpit support（3）With section
Contact plate（4）Between to be detachably connected.
5. the structure according to claim 1 for improving steel frame endurance and stiffness, it is characterised in that：The armpit support（3）For work
Shaped steel, steel pipe or anti-buckling support.
6. the structure according to claim 1 for improving steel frame endurance and stiffness, it is characterised in that：The armpit support（3）Number
Amount and inclined angle are arranged according to rigidity requirement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810520968.5A CN108894318A (en) | 2018-05-28 | 2018-05-28 | A kind of structure improving steel frame endurance and stiffness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810520968.5A CN108894318A (en) | 2018-05-28 | 2018-05-28 | A kind of structure improving steel frame endurance and stiffness |
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| Publication Number | Publication Date |
|---|---|
| CN108894318A true CN108894318A (en) | 2018-11-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810520968.5A Pending CN108894318A (en) | 2018-05-28 | 2018-05-28 | A kind of structure improving steel frame endurance and stiffness |
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| Country | Link |
|---|---|
| CN (1) | CN108894318A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109403377A (en) * | 2018-12-10 | 2019-03-01 | 重庆大学 | A kind of assembled pipe gallery based on double-deck corrugated sheet steel-concrete combined board |
| CN110805128A (en) * | 2019-11-22 | 2020-02-18 | 山东彤创建筑科技有限公司 | Novel steel construction semi-rigid frame |
| CN112302170A (en) * | 2020-10-28 | 2021-02-02 | 华南理工大学 | Assembly armpit support type top and bottom angle steel beam column connecting steel frame |
| CN112854442A (en) * | 2021-01-08 | 2021-05-28 | 哈尔滨工业大学 | Self-resetting combined node connecting structure and assembling method for beam column of assembled concrete frame |
| CN114086661A (en) * | 2021-11-19 | 2022-02-25 | 中铁第四勘察设计院集团有限公司 | Yield energy consumption rod, cantilever section yield energy consumption beam column node and maintenance method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102409757A (en) * | 2011-08-10 | 2012-04-11 | 沈阳建筑大学 | Anti-seismic structure of energy-consumption angle brace |
| CN104895191A (en) * | 2015-05-21 | 2015-09-09 | 山东工艺美术学院 | Steel structure anti-seismic energy consumption lateral force resisting system and design method |
| CN107419893A (en) * | 2016-05-24 | 2017-12-01 | 五冶集团上海有限公司 | A kind of elevator steel platform and preparation method thereof |
| KR20170135606A (en) * | 2016-05-31 | 2017-12-08 | 아주대학교산학협력단 | Access floor apparatus |
| CN107816243A (en) * | 2017-11-29 | 2018-03-20 | 华南理工大学 | High-strength steel column ordinary steel joist steel support low yield point steel coupling beam can resetting structure |
-
2018
- 2018-05-28 CN CN201810520968.5A patent/CN108894318A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102409757A (en) * | 2011-08-10 | 2012-04-11 | 沈阳建筑大学 | Anti-seismic structure of energy-consumption angle brace |
| CN104895191A (en) * | 2015-05-21 | 2015-09-09 | 山东工艺美术学院 | Steel structure anti-seismic energy consumption lateral force resisting system and design method |
| CN107419893A (en) * | 2016-05-24 | 2017-12-01 | 五冶集团上海有限公司 | A kind of elevator steel platform and preparation method thereof |
| KR20170135606A (en) * | 2016-05-31 | 2017-12-08 | 아주대학교산학협력단 | Access floor apparatus |
| CN107816243A (en) * | 2017-11-29 | 2018-03-20 | 华南理工大学 | High-strength steel column ordinary steel joist steel support low yield point steel coupling beam can resetting structure |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109403377A (en) * | 2018-12-10 | 2019-03-01 | 重庆大学 | A kind of assembled pipe gallery based on double-deck corrugated sheet steel-concrete combined board |
| CN110805128A (en) * | 2019-11-22 | 2020-02-18 | 山东彤创建筑科技有限公司 | Novel steel construction semi-rigid frame |
| CN112302170A (en) * | 2020-10-28 | 2021-02-02 | 华南理工大学 | Assembly armpit support type top and bottom angle steel beam column connecting steel frame |
| CN112854442A (en) * | 2021-01-08 | 2021-05-28 | 哈尔滨工业大学 | Self-resetting combined node connecting structure and assembling method for beam column of assembled concrete frame |
| CN114086661A (en) * | 2021-11-19 | 2022-02-25 | 中铁第四勘察设计院集团有限公司 | Yield energy consumption rod, cantilever section yield energy consumption beam column node and maintenance method thereof |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181127 |
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| RJ01 | Rejection of invention patent application after publication |