CN110230357A - A kind of assembled steel-semi-rigid energy dissipating node frame of bamboo combination - Google Patents
A kind of assembled steel-semi-rigid energy dissipating node frame of bamboo combination Download PDFInfo
- Publication number
- CN110230357A CN110230357A CN201910637392.5A CN201910637392A CN110230357A CN 110230357 A CN110230357 A CN 110230357A CN 201910637392 A CN201910637392 A CN 201910637392A CN 110230357 A CN110230357 A CN 110230357A
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- China
- Prior art keywords
- bamboo
- steel
- steel column
- node
- energy dissipating
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- 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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- 239000011425 bamboo Substances 0.000 title claims abstract description 64
- 235000017166 Bambusa arundinacea Nutrition 0.000 title claims abstract description 51
- 235000017491 Bambusa tulda Nutrition 0.000 title claims abstract description 51
- 235000015334 Phyllostachys viridis Nutrition 0.000 title claims abstract description 51
- 241001330002 Bambuseae Species 0.000 title claims abstract description 50
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 103
- 239000010959 steel Substances 0.000 claims abstract description 103
- 238000010008 shearing Methods 0.000 claims abstract description 7
- 239000003351 stiffener Substances 0.000 claims description 15
- 229910000679 solder Inorganic materials 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 5
- 241000283080 Proboscidea <mammal> Species 0.000 claims description 3
- 210000001015 abdomen Anatomy 0.000 claims 1
- 239000002023 wood Substances 0.000 abstract description 10
- 239000000463 material Substances 0.000 abstract description 5
- 235000016936 Dendrocalamus strictus Nutrition 0.000 abstract description 2
- 240000008120 Dendrocalamus strictus Species 0.000 abstract description 2
- 238000005452 bending Methods 0.000 abstract description 2
- 230000035939 shock Effects 0.000 abstract description 2
- 230000003313 weakening effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 4
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 4
- 238000013016 damping Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 241000209128 Bambusa Species 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction 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
- E04B1/185—Connections not covered by E04B1/21 and E04B1/2403, e.g. connections between structural parts of different material
-
- 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
Abstract
Proposed by the present invention is a kind of assembled steel-semi-rigid energy dissipating node frame of bamboo combination, it is characterized in that including steel column, semi-rigid energy dissipating node, bamboo beam；Wherein bamboo beam is set between the top of two steel columns parallel to each other, and the both ends of bamboo beam are respectively equipped with a semi-rigid energy dissipating node, and the bottom plate of semi-rigid energy dissipating node is bolted with steel column, and floor is bolted with Zhu Liang.Bamboo beam, steel column are connected into the frame structure system with shock resistance by the present invention, are not needed wall carrying, are made full use of the mechanical property of material, and cost is lower, and replaces traditional solid bamboo column to improve member stress in frame system using steel column；Both guaranteed that node had enough shearing resistances and anti-bending bearing capacity by semi-rigid energy dissipating node, and while having improved rigidity of rotation of joints, and avoided the Bonding Problem in more high-rise wood/bamboo structures between each layer column, and as column component punches, slot and caused by weakening.
Description
Technical field
The present invention relates to a kind of assembled steel-bamboos to combine semi-rigid energy dissipating node frame, belongs to engineering structure technology
Field.
Background technique
China tradition bamboo/timber structure and modern light-duty timber structure, mostly use greatly pure bamboo/wooden frame and shear wall structure body
System, using Sinarundinaria longiuscula/pin, beam or shear wall as vertical supporting member.Since bamboo/wood material has croop property, in structure
During long service, the creep of column can cause the uncertainty of structural elements Internal Force Redistribution, influence structural safety performance.
One of which of the bamboo/timber structure as Green Sustainable structure type, more, High-rise Building Design are its following development trends,
When building storey is continuously increased, the axle power of bottom vertical member constantly increases, and needs to increase column cross-section size to meet design
It is required that；The processing of big section pin simultaneously, the transport of long column, Bonding Problem are all asking of facing of more high-rise bamboos/timber structures development
Topic.
The joint forms such as the pin connection, truss plate connection, the bar planting connection that are used in existing bamboo/timber structure interconnection technique, although
Meet design requirement in intensity and switching performance, but in the case where earthquake conditions occur, ductility and energy dissipating effect are unobvious, completely
The deformation of component is relied on come the seismic energy that dissipates, causes to shake rear part and destruction of a node is serious.Therefore, to following bamboo/timber structure
Toward for more high-rise development, the creep problem of vertical member long service material, scantling be excessive, long component Bonding Problem,
Component connectivity problem all needs to be better solved.
Summary of the invention
It is an object of the invention to solve drawbacks described above existing for existing bamboo/timber structure connection type, provide a kind of novel
The combination of assembled steel-bamboo, with horizontal anti-side rigidity and seismic energy dissipation characteristic, suitable for the frame of more, high-rise wood/bamboo structure
System.
Technical solution of the invention: a kind of assembled steel-semi-rigid energy dissipating node frame of bamboo combination, structure include
Steel column, semi-rigid energy dissipating node, bamboo beam；Wherein bamboo beam is set between the top of two vertical and parallel to each other steel columns, bamboo beam
Both ends pass through a semi-rigid energy dissipating node respectively and be connected with steel column and form frame foundation；Or it is same by a center steel column
Shi Yusi root steel column connection composition wherein passes through a bamboo beam connection, every bamboo between center steel column and remaining four steel column
The both ends of beam are respectively equipped with a semi-rigid energy dissipating node, are in 90 ° of angles between adjacent two steel columns.The steel column and center
Steel column uses Q235 H profile steel.
Further, the semi-rigid energy dissipating node includes node bottom plate, shear key, Wasted-energy steel plate, floor, wherein two pieces
Parallel Wasted-energy steel plate passes through the upper and lower part that solder design is fixed on node bottom plate respectively, and floor is vertically solid by solder design
Due between upper and lower two pieces of Wasted-energy steel plates, floor is equipped with shear key close to the side of bottom plate, and by by shearing key bolt with
The middle part of node bottom plate connects.The surface of the node bottom plate is equipped with several screw holes, and the side with steel column along Wasted-energy steel plate bottom
Face is bolted；The surface of the floor is equidistantly equipped with several row's screw holes, and is bolted with bamboo beam.
Further, the center steel column is equipped with a piece of ribbed stiffener and two panels connecting bottom board in the weak axis direction of column section,
Wherein the web of ribbed stiffener and center steel column is perpendicular, and two panels connecting bottom board is respectively arranged on ribbed stiffener both ends, and with center steel column
The edge of a wing be connected, composition cross section be sphere of movements for the elephants shape steel column structure.The thickness of the ribbed stiffener and the web of center steel column
Thickness is equal, passes through solder design along the elongated arrangement in height of node direction, and with the web of center steel column and connecting bottom board；It is described
The thickness of connecting bottom board is equal with the edge of a wing thickness of center steel column, along the elongated arrangement in height of node direction, and with center steel column
The edge of a wing and ribbed stiffener pass through solder design.
Advantages of the present invention:
1) Jiang Zhuliang, steel column connect into the frame structure system with shock resistance, do not need wall carrying, make full use of material
Mechanical property, cost is lower；
2) traditional solid bamboo column is replaced using steel column, effectively reduces column sectional dimension of members, the influence for avoiding bamboo wood creep from generating,
Improve member stress in frame system；
3) steel column, Zhu Liang are connected by semi-rigid energy dissipating node, had both guaranteed that node had enough shearing resistances and anti-bending bearing capacity, together
Shi Tigao rigidity of rotation of joints utilizes the good feature dissipative part seismic energy of Q235 steel ductility；Pass through upper and lower side Wasted-energy steel plate
Design, makes geological process lower node area plastic hinge, avoids forming plastic hinge on beam, column component, while avoiding using outer
Add damping unit, simplifies structural configuration；
4) avoid generating Bonding Problem between each layer column in more high-rise wood/bamboo structures, and avoid punching due to column component, slot and
Caused by weaken situation.
Detailed description of the invention
Attached drawing 1 is the structural schematic diagram that assembled steel-bamboo of the present invention combines semi-rigid energy dissipating node frame.
Attached drawing 2 is the structure chart that assembled steel-bamboo combines semi-rigid energy dissipating node frame in embodiment.
Attached drawing 3 is steel column-node-bonding pad schematic enlarged-scale view.
Attached drawing 4 is the structural schematic diagram of semi-rigid energy dissipating node.
Attached drawing 5 is the example of practical application figure that assembled steel-bamboo combines semi-rigid energy dissipating node frame.
1 is steel column in figure, and 2 be semi-rigid energy dissipating node, and 3 be bamboo beam, and 4 be ribbed stiffener, and 5 be connecting bottom board, and 6 be node bottom
Plate, 7 be shear key, and 8 be Wasted-energy steel plate, and 9 be floor.
Specific embodiment
As shown in Figure 1, a kind of assembled steel-bamboo combines semi-rigid energy dissipating node frame, structure includes steel column 1, semi-rigid
Property energy dissipating node 2, bamboo beam 3；Wherein bamboo beam 3 is set between the top of two vertical and parallel to each other steel columns 1, and the two of bamboo beam 3
End is connected by a semi-rigid energy dissipating node 2 with steel column 1 respectively, forms the basis of semi-rigid energy dissipating node frame.
As shown in Fig. 2, the assembled steel-bamboo combines semi-rigid energy dissipating node frame, it can also pass through a central steel
Column connect composition with four steel columns 1 simultaneously, is wherein connected by a bamboo beam 3 between center steel column and remaining four steel column 1,
The both ends of every bamboo beam 3 are respectively equipped with a semi-rigid energy dissipating node 2, are in 90 ° of angles between adjacent two steel columns 1.Described
Steel column 1 and center steel column use Q235 H profile steel.
As shown in figure 4, the semi-rigid energy dissipating node 2 includes node bottom plate 6, shear key 7, Wasted-energy steel plate 8, floor 9,
In two pieces of parallel Wasted-energy steel plates 8 upper and lower part of node bottom plate 6 is fixed on by solder design respectively, floor 9 passes through weld seam
Connection is perpendicularly fixed between upper and lower two pieces of Wasted-energy steel plates 8, and floor 9 is equipped with shear key 7 close to the side of bottom plate 6, and by logical
Shearing key bolt is crossed to connect with the middle part of node bottom plate 6.The surface of node bottom plate 6 is equipped with several screw holes along 8 bottom of Wasted-energy steel plate, and
It is bolted with the side of steel column 1；The surface of floor 9 is equidistantly equipped with several row's screw holes, and passes through bolt with bamboo beam 3
Connection；Shear key 7 undertakes the end shearing of bamboo beam 3, and Wasted-energy steel plate 8 undertakes the end moment of flexure of bamboo beam 3, passes through the steel of Wasted-energy steel plate 8
Deformation reaches effect of energy dissipation.
As shown in figure 3, the center steel column is equipped with a piece of ribbed stiffener 4 and two panels connecting bottom board in the weak axis direction of column section
5, wherein ribbed stiffener 4 and the web of center steel column are perpendicular, and two panels connecting bottom board 5 is respectively arranged on 4 both ends of ribbed stiffener, and and center
The edge of a wing of steel column is connected, and composition cross section is the steel column structure of sphere of movements for the elephants shape, to guarantee connection reliability and reasonable stress.Institute
The thickness for stating ribbed stiffener 4 is equal with the web thickness of center steel column, along the elongated arrangement in height of node direction, and with center steel column
Web and connecting bottom board 5 pass through solder design；The thickness of the connecting bottom board 5 and the edge of a wing thickness of center steel column are equal, along section
The elongated arrangement in point height direction, and pass through solder design with the edge of a wing of center steel column and ribbed stiffener 4.
Group frame system as shown in Figure 5 is composed of 3 × 5 steel columns, passes through one between every adjacent steel column
Bamboo beam adds two semi-rigid energy dissipating nodes to be connected, and is equipped with 4 layers of bamboo beam altogether from top to bottom, is together to form assembled steel-bamboo group
Close semi-rigid energy dissipating node frame system.The system has appropriate rigidity, intensity and ductility, and has given full play to steel and bamboo wood
Mechanical property.Under earthquake and wind action, which has certain energy dissipation capacity, and load is transmitted to bamboo by floor
Beam, bamboo beam end shearing and moment of flexure are transmitted to node by bolt and steel plate, then pass to steel column, pass to structure basis always, protect
Demonstrate,prove the stability of frame entirety.
The present invention can be used for the main load system of more high-rise bamboo-wood structures, and wherein floow load is transmitted to wood/bamboo beam, and beam-ends is cut
Power and moment of flexure are transmitted to steel column by semi-rigid energy dissipating node, and load is transmitted to basis again by steel bamboo.By input node rotational stiffness,
Steel, bamboo/wood material performance parameter can carry out structural modeling calculating: the node ultimate load is 85.7kN, is conventional u-shaped resistance
2-2.5 times of Buddhist nun's energy dissipating node, initial stiffness are 1.5-2 times of plain bolt node；The present invention can effectively improve simultaneously bamboo/
Itself energy dissipation capacity of ultimate bearing capacity, initial stiffness and the structure of wood frame construction；Frame structure yield load 103.2kN, pole
Limit load carries 95.6kN, and initial stiffness 4406kN/m, ductility ratio 1.46, damping ratio 14.1% substantially increases the consumption of bamboo frame structure
It can characteristic.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (7)
1. a kind of assembled steel-bamboo combines semi-rigid energy dissipating node frame, it is characterized in that including steel column, semi-rigid energy dissipating node,
Bamboo beam；Wherein bamboo beam is set between the top of two vertical and parallel to each other steel columns, and the both ends of bamboo beam pass through one and half respectively
Rigid energy dissipating node is connected with steel column forms frame foundation；Or by center steel column simultaneously with four steel column connection groups
At wherein by a bamboo beam connection between center steel column and remaining four steel column, the both ends of every bamboo beam are respectively equipped with one
A semi-rigid energy dissipating node, the line between adjacent two steel columns and center steel column are in 90 ° of angles.
2. a kind of assembled steel according to claim 1-bamboo combines semi-rigid energy dissipating node frame, it is characterized in that described
Steel column and center steel column use Q235 H profile steel.
3. a kind of assembled steel according to claim 1-bamboo combines semi-rigid energy dissipating node frame, it is characterized in that described
Semi-rigid energy dissipating node includes node bottom plate, shear key, Wasted-energy steel plate, floor, wherein two pieces of parallel Wasted-energy steel plates pass through weldering respectively
Seam is connected and fixed on the upper and lower part of node bottom plate, floor by solder design be perpendicularly fixed at upper and lower two pieces of Wasted-energy steel plates it
Between, floor is equipped with shear key close to the side of bottom plate, and by being connect by shearing key bolt with the middle part of node bottom plate.
4. a kind of assembled steel according to claim 3-bamboo combines semi-rigid energy dissipating node frame, it is characterized in that described
The surface of node bottom plate is equipped with several screw holes along Wasted-energy steel plate bottom, and is bolted with the side of steel column；The floor
Surface be equidistantly equipped with several row's screw holes, and be bolted with bamboo beam.
5. a kind of assembled steel according to claim 1-bamboo combines semi-rigid energy dissipating node frame, it is characterized in that described
Center steel column is equipped with a piece of ribbed stiffener and two panels connecting bottom board in the weak axis direction of column section, wherein the abdomen of ribbed stiffener and center steel column
Plate is perpendicular, and two panels connecting bottom board is respectively arranged on ribbed stiffener both ends, and is connected with the edge of a wing of center steel column, and composition cross section is
The steel column structure of sphere of movements for the elephants shape.
6. a kind of assembled steel according to claim 5-bamboo combines semi-rigid energy dissipating node frame, it is characterized in that described add
The thickness of strength rib is equal with the web thickness of center steel column, along the elongated arrangement in height of node direction, and the web with center steel column
Pass through solder design with connecting bottom board.
7. a kind of assembled steel according to claim 5-bamboo combines semi-rigid energy dissipating node frame, it is characterized in that the company
The thickness for connecing bottom plate is equal with the edge of a wing thickness of center steel column, along the elongated arrangement in height of node direction, and the wing with center steel column
Edge and ribbed stiffener pass through solder design.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910637392.5A CN110230357A (en) | 2019-07-15 | 2019-07-15 | A kind of assembled steel-semi-rigid energy dissipating node frame of bamboo combination |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910637392.5A CN110230357A (en) | 2019-07-15 | 2019-07-15 | A kind of assembled steel-semi-rigid energy dissipating node frame of bamboo combination |
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| CN110230357A true CN110230357A (en) | 2019-09-13 |
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| CN201910637392.5A Pending CN110230357A (en) | 2019-07-15 | 2019-07-15 | A kind of assembled steel-semi-rigid energy dissipating node frame of bamboo combination |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111561049A (en) * | 2020-05-21 | 2020-08-21 | 中国建筑第二工程局有限公司 | Novel anti-seismic steel-wood frame structure system and construction method thereof |
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| CN103669570A (en) * | 2013-12-19 | 2014-03-26 | 北京工业大学 | Special-shaped steel column-prestress central supporting frame easy to restore after earthquake |
| CN103711227A (en) * | 2014-01-14 | 2014-04-09 | 南京林业大学 | Damping node of metal bending bamboo or wood frame structure |
| CN109339338A (en) * | 2018-09-28 | 2019-02-15 | 浙江大学宁波理工学院 | The ruggedized construction of square steel column |
| CN109972733A (en) * | 2019-04-08 | 2019-07-05 | 扬州大学 | A kind of novel expansion wing T shape energy consumption connection steel structure frame |
| CN210597654U (en) * | 2019-07-15 | 2020-05-22 | 南京林业大学 | Assembled steel-bamboo combined semi-rigid energy dissipation node frame |
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2019
- 2019-07-15 CN CN201910637392.5A patent/CN110230357A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103669570A (en) * | 2013-12-19 | 2014-03-26 | 北京工业大学 | Special-shaped steel column-prestress central supporting frame easy to restore after earthquake |
| CN103711227A (en) * | 2014-01-14 | 2014-04-09 | 南京林业大学 | Damping node of metal bending bamboo or wood frame structure |
| CN109339338A (en) * | 2018-09-28 | 2019-02-15 | 浙江大学宁波理工学院 | The ruggedized construction of square steel column |
| CN109972733A (en) * | 2019-04-08 | 2019-07-05 | 扬州大学 | A kind of novel expansion wing T shape energy consumption connection steel structure frame |
| CN210597654U (en) * | 2019-07-15 | 2020-05-22 | 南京林业大学 | Assembled steel-bamboo combined semi-rigid energy dissipation node frame |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111561049A (en) * | 2020-05-21 | 2020-08-21 | 中国建筑第二工程局有限公司 | Novel anti-seismic steel-wood frame structure system and construction method thereof |
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