CN106639477B - A kind of built-in damping beam with antidetonation and self-healing performance - Google Patents
A kind of built-in damping beam with antidetonation and self-healing performance Download PDFInfo
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- CN106639477B CN106639477B CN201710053422.9A CN201710053422A CN106639477B CN 106639477 B CN106639477 B CN 106639477B CN 201710053422 A CN201710053422 A CN 201710053422A CN 106639477 B CN106639477 B CN 106639477B
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- built
- damping
- geotextiles
- viscous damping
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- 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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- Business, Economics & Management (AREA)
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- Environmental & Geological Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Building Environments (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a kind of built-in damping beams with antidetonation and self-healing performance, including concrete, built-in viscous damping geotextiles, bent-up bar, stirrup, vertical muscle；Built-in viscous damping geotextiles outer layer is braided geotextile, and inside is crisscross PVC hose, and viscous damping is filled in PVC hose；Viscous damping geotextiles built in one layer are pasted in the lower surface of bent-up bar first, built-in viscous damping geotextiles are then wrapped up one layer in the steel reinforcement cage outer surface bound by stirrup, are bonded by adhesive between built-in viscous damping geotextiles and vertical muscle；Last casting concrete forms it into an entirety.The component of the present invention has certain self-healing, strengthens the shearing strength of beam and the globality of beam, can effectively prevent its brittle break, while the energy consumption of built-in damping strengthens the anti-seismic performance of beam.
Description
Technical field
The invention belongs to building structure technology fields, and in particular to a kind of beam of built-in viscous damping geotextiles.
Background technology
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, inevitably by influences such as temperature change, chemical attacks, service life is thus greatly reduced, beam is as knot
One of structure earthquake main portions, built-in damping can play good protective effect when earthquake occurs to beam.
Geotextiles as a kind of multifunctional composite, at present the application of field of civil engineering 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
The advantage of geotextiles, carbon fiber, viscous damping is made into composite material and applies in the making of beam.
Invention content
In order to solve the above-mentioned technical problem, the invention discloses one kind having preferable mechanical property, and there is excellent energy dissipating to subtract
Shake the built-in viscous damping beam of function and certain structure self-healing function.
Technical solution is used by the damping beam of the present invention：A kind of built-in resistance with antidetonation and self-healing performance
Buddhist nun's beam, it is characterised in that：Including concrete, built-in viscous damping geotextiles, bent-up bar, stirrup, vertical muscle.It is described built-in
Viscous damping geotextiles outer layer is braided geotextile, and inside is crisscross PVC hose, and viscous damping is filled in PVC hose.
One layer of built-in viscous damping geotextiles are pasted in the lower surface of bent-up bar first, then by the built-in viscous damping soil
Work cloth wraps up one layer in the steel reinforcement cage outer surface bound by stirrup, passes through glue between built-in viscous damping geotextiles and vertical muscle
Glutinous agent bonding；Last casting concrete forms it into an entirety.
It is an advantage of the invention that：
1, viscous damping can absorb and consume earthquake to greatest extent when an earthquake occurs 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 arrangement can be made 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.
3, carbon fiber has as a kind of excellent reinforcement material does not increase structure size and dead weight, tensile strength substantially
Height, it is corrosion-resistant, endurance quality is good the features such as.Using carbon fiber package steel reinforcement cage reinforce and enhances the globality of beam and prolong
Property, it can effectively prevent the brittle break in earthquake or emergency case lower structure.The high tensile of carbon fiber geotextiles is utilized simultaneously
Intensity can suitably lower the dosage of reinforcing bar to reduce dead load, weaken geological process.
4, the geotextiles attached on bent-up bar surface, can undertake certain sagging moment near span centre；It is attached in bearing
Closely, a part of moment of flexure can be born and shear the principal tensile stress that collective effect generates, the shearing strength of reinforcing beam.
Description of the drawings
Fig. 1 is built-in viscous damping geotextiles weaving manner schematic diagram in the beam of the embodiment of the present invention；
Fig. 2 is built-in viscous damping geotextiles schematic cross section in the beam of the embodiment of the present invention；
Fig. 3 is built-in viscous damping geotextiles arrangement schematic diagram on bent-up bar in the beam of the embodiment of the present invention；
Fig. 4 is built-in viscous damping geotextiles arrangement schematic diagram on steel reinforcement cage in the beam of 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 below in conjunction with the accompanying drawings
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.
See Fig. 1 to Fig. 4, a kind of built-in damping beam with antidetonation and self-healing performance provided by the invention, packet
Include concrete 5, built-in viscous damping geotextiles 6, bent-up bar 7, stirrup 8, vertical muscle 9.6 layers of built-in viscous damping geotextiles are volume
Geotextiles are knitted, inside is crisscross PVC hose, and viscous damping is filled in PVC hose；Built-in viscous damping geotextiles 6
Integral thickness is 1.5 ~ 2cm.
Inside is that crisscross PVC hose includes longitudinal P VC hoses 3 and lateral PVC hose 2, and the interior filling of PVC hose is viscous
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, a diameter of 5~8mm of PVC hose, vertical and horizontal spacing is 5~10cm, and viscous damping is asphalt mixtures modified by epoxy resin
Fat 1.
Consider in built-in viscous damping reinforced beam built-in viscous damping geotextiles and armored concrete jointly by
Power can play the effect of its energy-dissipating and shock-absorbing to ensure that geotechnique is furnished with enough intensity again, therefore select a diameter of of PVC hose
The spacing of 5~8mm, 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 it is solidified, tool
There are intensity height, ageing-resistant, endurance, corrosion-resistant, the performance stabilization in life expectancy, the structural member suitable for bearing strength to be 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 braided geotextile selects the composite filament that polypropylene woven silk and carbon fiber wire are interwoven as material.
See Fig. 3 and Fig. 4, the present invention pastes viscous damping geotextiles built in one layer in the lower surface of bent-up bar 7 first
6, the spacing of the width of built-in viscous damping geotextiles 6 preferably than two bent-up bars of outermost is big 5~10cm, then will be built-in viscous
Stagnant damping geotextiles 6 wrap up one layer in the steel reinforcement cage outer surface that bind by stirrup 8, built-in viscous damping geotextiles 6 and indulge
It is bonded by adhesive between muscle 9；Last casting concrete 5 forms it into an entirety, i.e. a built-in viscous damping geotechnique
The beam of cloth.
The present invention improves the anti-seismic performance of precast beam using the excellent energy consumption of viscous damping, broken when meeting with macroseism structure
Bad when, epoxy resin stream goes out in PVC hose, can be used as the crack that adhesive bonds beam.Reinforcing bar is wrapped up by high-strength geotextile
The mode of cage, its brittle break can be effectively prevent by strengthening the globality of beam.The geotextiles on moment reinforcement surface are attached to, it can
To bear a part of moment of flexure and shear the principal tensile stress of collective effect generation, the shearing strength of reinforcing beam.
Since steel reinforcement cage is wrapped up by geotextiles, therefore in casting concrete, first steel reinforcement cage inside is individually poured, so
Complete pouring for entire beam, subsequent vibration compacting again afterwards.
Although this specification has more used epoxy resin 1, lateral PVC hose 2, longitudinal P VC hoses 3, polypropylene to compile
Knit the composite filament 4 that silk and carbon fiber wire be interwoven, concrete 5, built-in viscous damping geotextiles 6, bent-up bar 7, stirrup 8,
The terms such as vertical muscle 9, but the possibility using other terms is not precluded.The use of these items is only for more easily describe
The essence of the present invention, is construed as any one of the additional limitations and is all 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
Profit requires under protected ambit, can also make replacement or deformation, each fall within protection scope of the present invention, this hair
It is bright range is claimed to be determined by the appended claims.
Claims (8)
1. a kind of built-in damping beam with antidetonation and self-healing performance, it is characterised in that：Including concrete（5）, it is built-in
Viscous damping geotextiles（6）, bent-up bar（7）, stirrup（8）, vertical muscle（9）；
The built-in viscous damping geotextiles（6）Outer layer is braided geotextile, and inside is crisscross PVC hose, PVC hose
Interior filling viscous damping；
First in bent-up bar（7）Lower surface paste one layer of built-in viscous damping geotextiles（6）, then will be described built-in
Viscous damping geotextiles（6）Passing through stirrup（8）The steel reinforcement cage outer surface bound wraps up one layer, built-in viscous damping geotextiles
（6）With vertical muscle（9）Between bonded by adhesive；Last casting concrete（5）, form it into an entirety.
2. the built-in damping beam according to claim 1 with antidetonation and self-healing performance, it is characterised in that：It is described
Braided geotextile is woven by warp and weft.
3. the built-in damping beam according to claim 2 with antidetonation and self-healing performance, it is characterised in that：It is described
Warp and weft are the composite filament that polypropylene woven silk and carbon fiber wire are interwoven（4）.
4. the built-in damping beam according to claim 1 with antidetonation and self-healing performance, it is characterised in that：It is described
Crisscross PVC hose is by longitudinal P VC hoses（3）With lateral PVC hose（2）Composition；The longitudinal P VC hoses（3）And cross
To PVC hose（2）Diameter is 5~8mm, and vertical and horizontal spacing is 5~10cm.
5. the built-in damping beam according to claim 1 with antidetonation and self-healing performance, it is characterised in that：It is described
Viscous damping is epoxy resin（1）.
6. the built-in damping beam according to claim 5 with antidetonation and self-healing performance, it is characterised in that：It is described
Epoxy resin（1）For epoxy-pitch-modified amine, epoxy resin is injected in PVC hose and injected by injection device
It is sealed after, then pvc pipe net is woven again and is completed.
7. the built-in damping beam according to claim 1 with antidetonation and self-healing performance, it is characterised in that：It pastes
Built-in viscous damping geotextiles in bent-up bar lower surface（6）Width than two bent-up bars of outermost（7）Spacing it is big by 5
~10cm.
8. the built-in damping beam with antidetonation and self-healing performance according to claim 1-7 any one, special
Sign is：The built-in viscous damping geotextiles（6）Integral thickness be 1.5 ~ 2cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710053422.9A CN106639477B (en) | 2017-01-22 | 2017-01-22 | A kind of built-in damping beam with antidetonation and self-healing performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710053422.9A CN106639477B (en) | 2017-01-22 | 2017-01-22 | A kind of built-in damping beam with antidetonation and self-healing performance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106639477A CN106639477A (en) | 2017-05-10 |
| CN106639477B true CN106639477B (en) | 2018-09-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710053422.9A Expired - Fee Related CN106639477B (en) | 2017-01-22 | 2017-01-22 | A kind of built-in damping beam with antidetonation and self-healing performance |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107514072B (en) * | 2017-08-18 | 2019-07-05 | 安徽晶宫绿建集团有限公司 | A kind of external wall with cracking processing fibre pipe |
| CN108118785B (en) * | 2018-02-08 | 2023-11-21 | 沈阳腾越建筑工程有限公司 | Beam built-in carbon fiber frame structure and manufacturing method and construction method thereof |
| CN113718978A (en) * | 2021-09-07 | 2021-11-30 | 中国科学院武汉岩土力学研究所 | Damping beam structure based on rubber concrete damping layer |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10231640A (en) * | 1997-02-18 | 1998-09-02 | Shimizu Corp | Damping construction for building structure |
| CN2431295Y (en) * | 2000-07-31 | 2001-05-23 | 江苏远大新纺织联合发展有限公司 | Composite geotextile |
| DE102005043386A1 (en) * | 2005-09-10 | 2007-03-15 | Beltec Industrietechnik Gmbh | Reinforcement body made of fiber-reinforced plastic |
| CN101538757A (en) * | 2008-03-17 | 2009-09-23 | 王德江 | Toughening grid fabric and rubber pipe for exploring, exploiting and conveying offshore oil |
| CN101768808B (en) * | 2008-12-29 | 2013-07-24 | 天津纺织工程研究院有限公司 | High load shock-resistant degradable geotextile and production method thereof |
| CN201517152U (en) * | 2009-09-01 | 2010-06-30 | 杭州萧山申联化纤织造有限公司 | Polyester weaving geotextile |
| CN101839032B (en) * | 2010-05-21 | 2012-09-05 | 宫海西 | Anti-seismic floorslab structure with obliquely-intersected beams |
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Granted publication date: 20180921 Termination date: 20190122 |