CN106703217B - A kind of built-in damping bean column node with antidetonation and self-healing performance - Google Patents
A kind of built-in damping bean column node with antidetonation and self-healing performance Download PDFInfo
- Publication number
- CN106703217B CN106703217B CN201710053486.9A CN201710053486A CN106703217B CN 106703217 B CN106703217 B CN 106703217B CN 201710053486 A CN201710053486 A CN 201710053486A CN 106703217 B CN106703217 B CN 106703217B
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- Prior art keywords
- built
- damping
- geotextiles
- antidetonation
- viscous damping
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Classifications
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- 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
- E04B1/38—Connections for building structures in general
- E04B1/58—Connections for building structures in general of bar-shaped building elements
-
- 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
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- 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)
- Building Environments (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
The invention discloses a kind of built-in damping bean column node with antidetonation and self-healing performance, intra-node is provided with built-in viscous damping geotextiles, built-in viscous damping geotextiles outer layer is braided geotextile, and inside is criss-cross PVC hose, fills viscous damping in PVC hose;Built-in viscous damping geotextiles are wrapped in beam or column steel reinforcement cage outer surface, are bonded built-in viscous damping geotextiles and steel reinforcement cage by adhesive, and package range is the end of steel reinforcement cage.The present invention improves the antidetonation erosion-resisting characteristics of bean column node using the high-tensile of the excellent energy consumption of viscous damping and braided geotextile, when meeting with the destruction of macroseism structure, epoxy resin stream goes out in PVC hose, it can be used as the crack of adhesive bonding beam, so that this kind of bean column node has certain self-healing and performance, to increase the intensity and durability of structure.
Description
Technical field
The invention belongs to build building structure technology field, and in particular to a kind of beam column section of built-in viscous damping geotextiles
Point.
Background technique
Energy-dissipating and shock-absorbing technology is certain components in structure to be designed to dissipative member, or be arranged at the certain positions of structure
Dissipative member.Currently, relatively effective energy-dissipating and shock-absorbing mode is exactly to install viscous damper.Viscous damper is not necessarily to as one kind
The energy-consuming shock absorber of extra power input, is widely used in field of civil engineering.But since it is typically installed at knot
Outside structure, is inevitably influenced by temperature change, chemical attack etc., thus greatly reduce service life, frame structure
Node be frame structure earthquake most serious position, and capital and beam-ends are often the wherein even more serious regions of earthquake, built-in
Damping can preferably protect node when earthquake occurs.
Geotextiles as a kind of multifunctional composite, at present field of civil engineering application be concentrated mainly on filtering layer,
This six draining, isolation, reinforcement, protection, antiseepage aspects.Carbon fibre material because its intensity height, good corrosion resistance, easy construction,
The features such as light weight and concrete cooperate, is widely used in structural strengthening.Currently, there has been no technological synthesis utilizations
Geotextiles, carbon fiber, viscous damping advantage, be made into composite material and apply to inside bean column node, so that bean column node
Possess better antidetonation erosion-resisting characteristics, and the outflow of built-in viscous damping is so that node also possesses certain self-healing and performance.
Summary of the invention
In order to solve the above-mentioned technical problem, the invention discloses one kind to have preferable mechanical property, and there is excellent energy dissipating to subtract
Shake the built-in viscous damping bean column node of function and certain structure self-healing function.
The technical scheme adopted by the invention is that: a kind of built-in damping bean column node with antidetonation and self-healing performance,
It is characterized by: being provided with built-in viscous damping geotextiles, the built-in viscous damping geotextiles outer layer is braided geotextile, interior
Portion is criss-cross PVC hose, fills viscous damping in PVC hose;The built-in viscous damping geotextiles be wrapped in beam or
Column steel reinforcement cage outer surface is bonded built-in viscous damping geotextiles and steel reinforcement cage by adhesive, and package range is steel reinforcement cage
End.
The invention has the advantages that
1, viscous damping can absorb to greatest extent when an earthquake occurs and consume earthquake as a kind of energy-dissipating and shock-absorbing material
To the impact energy of building structure, earthquake is alleviated significantly and impacts and destroys caused by building structure.
2, viscous damping is placed in inside configuration by the present invention, can not only reduce the factors pair such as temperature change, chemical attack
The adverse effect of viscous daming material, and can make to arrange more flexible.Epoxy resin can be grown under confined conditions in room temperature
Time keeps liquid, can give full play to the effect of its energy-dissipating and shock-absorbing;When structure is destroyed, epoxy resin cure can be used as again to be split
The binder of seam makes structure have certain self-healing property, greatly reinforces the intensity and durability of structure.Carbon fiber soil is utilized simultaneously
The high-tensile of work cloth can lower the dosage of reinforcing bar suitably to reduce dead load, weaken geological process.
3, carbon fiber has as a kind of excellent reinforcement material does not increase structure size and self weight, tensile strength substantially
Height, it is corrosion-resistant, endurance quality is good the features such as.The dosage of reinforcing bar can not only be reduced using carbon fiber package steel reinforcement cage to reduce knot
Structure self weight, and can effectively prevent the brittle break in earthquake or emergency case flowering structure.
Detailed description of the invention
Fig. 1 is the built-in viscous damping geotextiles weaving manner schematic diagram of the embodiment of the present invention;
Fig. 2 is the built-in viscous damping geotextiles schematic cross section of the embodiment of the present invention;
Fig. 3 is built-in viscous damping geotextiles arrangement schematic diagram in girder connection of the embodiment of the present invention;
Fig. 4 be the embodiment of the present invention built-in viscous damping geotextiles in girder connection cross section arrangement schematic diagram;
Fig. 5 is the capital schematic diagram for not arranging built-in viscous damping geotextiles in the embodiment of the present invention;
Fig. 6 is the capital schematic diagram that built-in viscous damping geotextiles are arranged in the embodiment of the present invention.
Specific implementation method
The present invention is understood and implemented for the ease of those of ordinary skill in the art, and the present invention is made into one with reference to the accompanying drawing
The detailed description of step, it should be understood that implementation example described herein is merely to illustrate and explain the present invention, and is not used to limit
The present invention.
As depicted in figs. 1 and 2, a kind of built-in damping beam column section with antidetonation and self-healing performance provided by the invention
Point is provided with built-in viscous damping geotextiles 5, and built-in 5 outer layer of viscous damping geotextiles is braided geotextile, and inside is to hand in length and breadth
Wrong PVC hose, PVC hose is interior to fill viscous damping;Built-in viscous damping geotextiles 5 are wrapped in beam or column steel reinforcement cage appearance
Face is bonded built-in viscous damping geotextiles 5 with steel reinforcement cage by adhesive, and package range is the end of steel reinforcement cage.
Inside is that criss-cross PVC hose includes longitudinal P VC hose 3 and lateral PVC hose 2, and filling is viscous in PVC hose
Stagnant damping.Braided geotextile is woven by warp and weft, and warp and weft are that polypropylene woven silk and carbon fiber wire interweave
Made of composite filament 4, PVC hose diameter be 5~8mm, vertical and horizontal spacing is 5~10cm, and viscous damping is asphalt mixtures modified by epoxy resin
Rouge 1.
Consider in built-in viscous damping reinforced beam built-in viscous damping geotextiles and armored concrete jointly by
Power, in order to guarantee that geotechnique is furnished with enough intensity again and can play the effect of its energy-dissipating and shock-absorbing, therefore select the diameter of PVC hose for
5~8mm, the spacing of vertical and horizontal are 5~10cm.
Epoxy-the one kind of pitch-modified amine as epoxy resin can be for a long time when it is in sealing state
It keeps liquid that can serve as viscous damping because of the feature of its high viscosity, plays the effect of energy-dissipating and shock-absorbing.And after its solidification, tool
There are intensity height, ageing-resistant, endurance, corrosion-resistant, the performance stabilization in life expectancy, the structural member suitable for bearing strength is bonded
The characteristics of, therefore distress in concrete can be bonded, so that structure is had certain self-healing property.
Polypropylene crystallinity is high, compound with regular structure, has excellent mechanical property, intensity and hardness, elasticity are all than highly dense
It is high to spend polyethylene, flexural fatigue resistance is strong, and chemical stability is good;Carbon fiber is from heavy and light, and tensile strength is high, corrosion-resistant, durability
Can be good, therefore the composite filament that braided geotextile selects polypropylene woven silk and carbon fiber wire to be interwoven is as material.
For girder connection, the present embodiment includes built-in viscous damping geotextiles 5, stirrup 6 in beam, muscle 7 is indulged in beam, mixes in beam
Solidifying soil 8;For Column border node, the present embodiment includes built-in viscous damping geotextiles 5, capital corner additional bar 9, indulges muscle in column
10, column inner concrete 11.
Girder connection as shown in Figure 3 and Figure 4, built-in viscous damping geotextiles 5 are wrapped in steel reinforcement cage outer surface in beam, pass through
Geotextiles 5 are indulged muscle 7 with steel reinforcement cage and bonded by adhesive, and package range is the both ends of steel reinforcement cage, and every side length is length of reinforcing cage
1/4.
Such as the capital node schematic diagram that Fig. 5 is unguyed typical framework column, it is illustrated in figure 6 arrangement viscous damping geotechnique
The capital node of frame column after cloth, built-in viscous damping geotextiles 5 are wrapped in capital steel reinforcement cage outer surface, pass through glue
Glutinous agent bonds geotextiles 5 and muscle 10 vertical in column, is careful not to wrap capital corner additional bar 9 used in the corner configuration of capital
In being rolled in, it is capital and girder join domain that geotextiles, which wrap up range, and packages length is to be connected the 1.5~2 of girder deck-molding with column
Times.
On the one hand this bean column node design promotes the stress of bean column node in the way of geotextiles package steel reinforcement cage
It can effectively prevent the brittle break in earthquake or emergency case flowering structure;On the other hand earthquake is being occurred by viscous damping
When the impact energy that absorbs to greatest extent and consume earthquake to building structure, alleviate earthquake punching caused by building structure significantly
It hits and destroys;And when structure destroy crack when structure glue outflow solidification, can be bonded with fracture, enhancing structure it is durable
Property.
It, need to be with concrete pump to parcel steel splitting since end steel reinforcement cage is wrapped up by geotextiles, therefore in casting concrete
It is individually poured inside muscle cage.Then pouring for entire beam is completed again.
Although this specification has more used epoxy resin 1, lateral PVC hose 2, longitudinal P VC hose 3, polypropylene to compile
It knits stirrup 6 in the composite filament 4, built-in viscous damping geotextiles 5, beam that silk and carbon fiber wire be interwoven, indulge muscle 7 in beam, in beam
Concrete eight, capital corner additional bar 9 indulge the terms such as muscle 10, column inner concrete 11 in column, but are not precluded and use other arts
A possibility that language.The use of these items is only for more easily describing essence of the invention, it is construed as any one
The additional limitation of kind is disagreed with spirit of that invention.
It should be understood that the part that this specification does not elaborate belongs to the prior art.
It should be understood that the above-mentioned description for preferred embodiment is more detailed, can not therefore be considered to this
The limitation of invention patent protection range, those skilled in the art under the inspiration of the present invention, are not departing from power of the present invention
Benefit requires to make replacement or deformation under protected ambit, fall within the scope of protection of the present invention, this hair
It is bright range is claimed to be determined by the appended claims.
Claims (7)
1. a kind of built-in damping bean column node with antidetonation and self-healing performance, it is characterised in that: be provided with built-in viscous resistance
Buddhist nun's geotextiles (5), built-in viscous damping geotextiles (5) outer layer are braided geotextile, and inside is that criss-cross PVC is soft
Pipe, PVC hose is interior to fill viscous damping;The built-in viscous damping geotextiles (5) are wrapped in beam or column steel reinforcement cage outer surface, lead to
It crosses adhesive to bond built-in viscous damping geotextiles (5) and steel reinforcement cage, package range is the end of steel reinforcement cage.
2. the built-in damping bean column node according to claim 1 with antidetonation and self-healing performance, it is characterised in that: institute
Braided geotextile is stated to be woven by warp and weft.
3. the built-in damping bean column node according to claim 2 with antidetonation and self-healing performance, it is characterised in that: institute
Stating warp and weft is the composite filament (4) that polypropylene woven silk and carbon fiber wire are interwoven.
4. the built-in damping bean column node according to claim 1 with antidetonation and self-healing performance, it is characterised in that: institute
Criss-cross PVC hose is stated to be made of longitudinal P VC hose (3) and lateral PVC hose (2);The longitudinal P VC hose (3) and
Lateral PVC hose (2) diameter is equal 5~8mm, and vertical and horizontal spacing is 5~10cm.
5. the built-in damping bean column node according to claim 1 with antidetonation and self-healing performance, it is characterised in that: institute
Stating viscous damping is epoxy resin (1).
6. the built-in damping bean column node according to claim 5 with antidetonation and self-healing performance, it is characterised in that: institute
Stating epoxy resin (1) is epoxy-pitch-modified amine, and epoxy resin is injected in PVC hose and injected by injection device
It is sealed after the completion, then pvc pipe net is woven again and is completed.
7. there is described in -6 any one the built-in damping bean column node of antidetonation and self-healing performance according to claim 1,
Be characterized in that: the integral thickness of the built-in viscous damping geotextiles (5) is 1.5~2cm.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201710053486.9A CN106703217B (en) | 2017-01-22 | 2017-01-22 | A kind of built-in damping bean column node with antidetonation and self-healing performance |
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CN201710053486.9A CN106703217B (en) | 2017-01-22 | 2017-01-22 | A kind of built-in damping bean column node with antidetonation and self-healing performance |
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CN106703217A CN106703217A (en) | 2017-05-24 |
CN106703217B true CN106703217B (en) | 2019-02-12 |
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CN201710053486.9A Expired - Fee Related CN106703217B (en) | 2017-01-22 | 2017-01-22 | A kind of built-in damping bean column node with antidetonation and self-healing performance |
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CN113089463B (en) * | 2021-04-13 | 2022-12-06 | 山东九巨龙建设集团有限公司 | Building heel post with antidetonation function |
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JPH09279695A (en) * | 1996-04-13 | 1997-10-28 | Konoike Constr Ltd | Earthquake-resisting reinforcing structure and viscoelastic damper |
JP2002061707A (en) * | 2000-08-17 | 2002-02-28 | Hayakawa Rubber Co Ltd | Damping structure and damping material |
AT508047A1 (en) * | 2009-03-18 | 2010-10-15 | Univ Wien Tech | SUPPORT STRUCTURE |
CN101967900B (en) * | 2009-07-28 | 2014-12-24 | 任利青 | Building wall seismic resisting method |
CN102535926B (en) * | 2010-12-28 | 2016-01-20 | 辽宁辽杰科技有限公司 | A kind of Multipurpose anti-seismic plastic movable plank house |
CN103015552B (en) * | 2011-09-22 | 2014-11-05 | 同济大学 | Shock and breakage preventive deformation recording type buckling restrained brace and manufacturing method thereof |
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