CN205593860U - Experimental experiment loading device of carbon cloth double shear - Google Patents
Experimental experiment loading device of carbon cloth double shear Download PDFInfo
- Publication number
- CN205593860U CN205593860U CN201620440190.3U CN201620440190U CN205593860U CN 205593860 U CN205593860 U CN 205593860U CN 201620440190 U CN201620440190 U CN 201620440190U CN 205593860 U CN205593860 U CN 205593860U
- Authority
- CN
- China
- Prior art keywords
- carbon cloth
- experiment
- steel column
- accumbency
- double shear
- Prior art date
- 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.)
- Expired - Fee Related
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- 239000004744 fabric Substances 0.000 title claims abstract description 80
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 77
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 77
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 50
- 239000010959 steel Substances 0.000 claims abstract description 50
- 230000001070 adhesive Effects 0.000 claims description 6
- 230000005484 gravity Effects 0.000 claims description 5
- 239000000853 adhesive Substances 0.000 claims description 4
- 230000000875 corresponding Effects 0.000 claims 1
- 238000010008 shearing Methods 0.000 abstract description 9
- 239000000463 material Substances 0.000 abstract description 6
- 239000000835 fiber Substances 0.000 abstract description 3
- 238000011056 performance test Methods 0.000 abstract 1
- 230000001105 regulatory Effects 0.000 abstract 1
- 230000000576 supplementary Effects 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 229920000049 Carbon (fiber) Polymers 0.000 description 2
- 229920002430 Fibre-reinforced plastic Polymers 0.000 description 2
- 239000011151 fibre-reinforced plastic Substances 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 229920002748 Basalt fiber Polymers 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 230000001131 transforming Effects 0.000 description 1
Abstract
The utility model relates to an experimental experiment loading device of carbon cloth double shear, including concrete test block that is used for the double shear experiment and the jack that is used for load, the first end of jack even has force transducer, and the jack passes through force transducer and connects the concrete test block, the second end of jack is through being used for being connected to the accumbency steel column that is used for supplementary double shear experiment according to load automatically regulated's fixed hinged support, it has the carbon cloth to bond on the at least a set of opposite side wall of concrete test block, and the carbon cloth is on accumbency steel column direction is extended and is positioned the accumbency steel column. The utility model discloses experimental experiment loading device of carbon cloth double shear can improve experimental efficiency greatly, and saves the experiment funds. Whole loading device can remove to guarantee that the shearing force in the face of pasting of carbon cloth, makes the carbon cloth take place pure shear failure. Also can be used to among the interfacial adhesion performance test of other fibre cloth materials. The experiment can be gone on in any place.
Description
Technical field
This utility model relates to the experimental technique field of FRP and concrete interface adhesive property, particularly relates to
The experiment charger of carbon cloth double shear experiment.
Background technology
Existing FRP (Fiber Reinforced Polymer/Plastic, fibre reinforced composites)
Be four kinds of forms with the test method of concrete interface adhesive property: simple shear experiment, double-shear experiment,
Beam type experiment and correction beam experiment.
Although simple shear experiment is simple, but need to carry out in simple shear experimental machine, and limited by place
System.Traditional double-shear experiment is also simple, but needs to pour the concrete test block of a collection of auxiliary, no
It is beneficial to the saving of material.The processing technology of beam type experiment and correction beam experiment is more complicated, and the destruction at interface
Form is not simple failure by shear.
A kind of can depart from large-scale shear testing maschine therefore, it is necessary to develop, install simply, not by field
Ground limits, and saves the FRP of experimental expenses and flexibility and reliability and the charger of concrete interface shearing experiment.
Utility model content
This utility model aims to the deficiency of above-mentioned existing charger, a kind of carbon cloth double shear of invention
The experiment charger of test.
In order to realize above-mentioned technical purpose, the technical scheme of this utility model patent is: a kind of carbon cloth
The experiment charger of double shear experiment, including the concrete test block for double shear experiment and for adding load
The jack carried, the first end of jack is connected with force transducer, and jack connects coagulation by force transducer
Soil test block；Second end of jack is by for according to loading the fixed-hinged support connection that load is automatically adjusted
To the accumbency steel column for assisting double shear experiment；Glue on the least one set opposite side wall of concrete test block
It is connected to carbon cloth, and carbon cloth extends towards accumbency steel column direction and is positioned on accumbency steel column.
Further, carbon cloth is respectively positioned on accumbency steel column on the side wall surface of correspondence.
Further, carbon cloth mutually overlaps on accumbency steel column outer surface and is wrapped in outside accumbency steel column.
Further, two carbon cloths belong to same and wrap up accumbency steel from the outer surface of accumbency steel column
Post.
Further, accumbency steel column uses semicircular pillar, square column, triangular column or trapezoidal column.
Further, fixed-hinged support is coaxially arranged with jack, and the center of gravity of axis and accumbency steel column and
The center of gravity of concrete test block is on same straight line.
Further, be additionally provided with between force transducer and concrete test block for dispersed loading load with
Prevent the baffle plate that stress is concentrated.
Further, adopt between carbon cloth and accumbency steel column and/or between carbon cloth and concrete test block
Bonding with bonded adhesives.
Further, carbon cloth encloses hemi-closure space, and the opening of hemi-closure space is towards concrete
Test block, baffle plate, force transducer, jack, fixed-hinged support and steel column are in hemi-closure space.
Further, the outbound course of jack is towards steel column.
Advantageous Effects of the present utility model is:
The experiment charger of this utility model carbon cloth double shear experiment, can be greatly improved conventional efficient,
And saving experiment fees.A whole set of charger can be all small articles, is readily available.Fixed-hinged support can
Lateral stressed uneven problem during to eliminate carbon cloth stretching.Without being aided with large-scale shear testing maschine
With auxiliary concrete test block.Loading equipemtn is reusable.The installation and removal of loading equipemtn are all very convenient,
And it is simple to operate.Fixed-hinged support makes carbon cloth uniform force.Whole charger can move,
Thus ensureing that shearing force is in the sticking veneer of carbon cloth so that carbon cloth generation pure shear destroys.Also
Can be used in the interfacial bond property test of other fiber cloth material.Experiment can be carried out in any place.
The utility model is described in further detail below in conjunction with the accompanying drawings.
Accompanying drawing explanation
Fig. 1 is that the structure of the experiment charger of the carbon cloth double shear experiment of this utility model embodiment is shown
It is intended to.
Marginal data:
1, accumbency steel column；2, fixed-hinged support；3, jack；4, force transducer；5, baffle plate；6、
Carbon cloth；7, concrete test block.
Detailed description of the invention
Below this utility model technology contents is further illustrated, but not in this utility model essence
The restriction held.
Fig. 1 is that the structure of the experiment charger of the carbon cloth double shear experiment of this utility model embodiment is shown
It is intended to.As it is shown in figure 1, the experiment charger of the carbon cloth double shear experiment of the present embodiment, including using
In the concrete test block 7 of double shear experiment and for loading the jack 3 of load, the first end of jack 3
Being connected with force transducer 4, jack 3 connects concrete test block 7 by force transducer 4；The of jack 3
Two ends are connected to for assisting double shear to try by the fixed-hinged support 2 for being automatically adjusted according to loading load
On the accumbency steel column 1 tested；It is bonded with carbon cloth 6 on the least one set opposite side wall of concrete test block 7,
And carbon cloth 6 extends towards accumbency steel column 1 direction and is positioned on accumbency steel column 1.This utility model
The experiment charger of carbon cloth double shear experiment, can be greatly improved conventional efficient, and save experiment warp
Take.A whole set of charger can be all small articles, is readily available.Fixed-hinged support can eliminate carbon fiber
Lateral stressed uneven problem during cloth stretching.Without being aided with large-scale shear testing maschine and auxiliary concrete
Test block.Loading equipemtn is reusable.The installation and removal of loading equipemtn are all very convenient and simple to operate.
Fixed-hinged support makes carbon cloth uniform force.Whole charger can move, thus ensures to shear
Power is in the sticking veneer of carbon cloth so that carbon cloth generation pure shear destroys.Can also be used for other fine
In the interfacial bond property test of dimension cloth material.Experiment can be carried out in any place.
As it is shown in figure 1, in the present embodiment, carbon cloth 6 is respectively positioned on accumbency steel column 1 correspondence
On side wall surface.
As it is shown in figure 1, in the present embodiment, carbon cloth 6 mutually overlaps on accumbency steel column 1 outer surface
And be wrapped in outside accumbency steel column 1.
As it is shown in figure 1, in the present embodiment, two carbon cloths 6 belong to same and from accumbency steel column 1
Accumbency steel column 1 is wrapped up on outer surface.
As it is shown in figure 1, in the present embodiment, accumbency steel column 1 uses semicircular pillar, square column, triangle
Post or trapezoidal column.
As it is shown in figure 1, in the present embodiment, fixed-hinged support 2 is coaxially arranged with jack 3, and axis
It is on same straight line with the center of gravity of the center of gravity of accumbency steel column 1 and concrete test block 7.
As it is shown in figure 1, in the present embodiment, be additionally provided with between force transducer 4 and concrete test block 7 for
Dispersed loading load is with the baffle plate 5 preventing stress from concentrating.
As it is shown in figure 1, in the present embodiment, between carbon cloth 6 and accumbency steel column 1 and/or carbon cloth
Use bonded adhesives bonding between 6 with concrete test block 7.
As it is shown in figure 1, in the present embodiment, carbon cloth 6 encloses hemi-closure space, hemi-closure space
Opening towards concrete test block 7.Baffle plate 5, force transducer 4, jack 3, fixed-hinged support 2 and
Steel column is in hemi-closure space.
As it is shown in figure 1, in the present embodiment, the outbound course of jack 3 is towards steel column.
During enforcement, it is provided that the experiment charger of a kind of carbon cloth double shear experiment, including semicircle steel column
(accumbency steel column 1), fixed-hinged support 2, jack 3, force transducer 4, baffle plate 5, carbon cloth 6
With concrete test block 7, it is to install in the double shear test block pasted carbon cloth 6, forms a closing
Internal force load mode.This device has only to by jack 3 jacking semicircle steel column, can be achieved with carbon fine
The overall process that dimension cloth 6 double shear test block destroys.Device used by loading, both can ensure that peeling force was fine at carbon
Dimension cloth 6 sticking veneer in, again can by fixed-hinged support 2 regulate carbon cloth 6 load time horizontal
The problem of discontinuity, this device is easy for installation simple to operate and the most limited by the field.
The service behaviour of the experiment charger needed for the loading of carbon cloth double shear experiment and tradition charger
Compare, there is following feature:
(1) double shear experiment need not the auxiliary concrete test block by other, it is not required that special shearing
Testing machine, can complete double shear experiment in test test block.
(2) fixed-hinged support 2 can eliminate lateral stressed uneven asking of producing when carbon cloth is pasted irregular
Topic.
(3) position of charger can be adjusted, it is ensured that plane pasted by shearing force and carbon cloth 6 is altogether
Face.
(4) baffle plate 5 can effectively reduce external load that jack 3 the brings destruction to test block.
(5) this charger install, simple to operate, dismounting and convenient transfer laborsaving.
(6) do not limited by place, it is not necessary to external fixation device.
(7) this charger can be used for the shearing examination of the analog material such as glass fabric, basalt fiber cloth
Test.
Test overall process need not assist concrete test block by other, it is possible to substitutes special shearing test
Machine.This charger can effectively eliminate the lateral stressed problem of non-uniform produced when carbon cloth is pasted irregular.
Ensure that shearing force, in the sticking veneer of carbon cloth 6, will not produce the power being perpendicular to sticking veneer direction.
The installation of charger, operate and dismantle the most very convenient.Test overall process is not limited by place.This loading
Device is equally applicable in the double shear experiment of other analog materials.
Carbon cloth 6 double shear experiment charger comprises the following steps when implementing, and determines carbon cloth 6
Space required for paste position and installation charger；Affixing carbon fabric 6, and carbon cloth 6 with
The closing space that concrete test block 7 is formed is put into semicircle steel column, fixed-hinged support 2, jack 3
And force transducer 4 etc. forms the loading experimental apparatus that this utility model is proposed, then by jack 3
Jacking semicircle steel column loads.
It is embodied as flow process: the carbon cloth 6 cut is pasted onto concrete test block 7 according to construction method
Above；Wait that carbon cloth 6 bonded adhesives reaches to use intensity；In the closing space that carbon cloth 6 surrounds
In baffle plate 5, force transducer 4, jack 3, fixed-hinged support 2 and semi-circular steel column are installed successively；Complete
Become after installing, adjust position, it is ensured that shearing force is in the sticking veneer of carbon cloth 6 so that carbon cloth 6
Pure shear is occurred to destroy；Loaded by jack 3 jacking semicircle steel column.Load.
The foregoing is only preferred embodiment of the present utility model, not thereby limit guarantor of the present utility model
Protect scope, every equivalent structure transformation utilizing this utility model description to be made, directly or
Connect and be used in other relevant technical fields, be the most in like manner included in scope of patent protection of the present utility model.
Claims (10)
1. an experiment charger for carbon cloth double shear experiment, including the concrete for double shear experiment
Test block (7) and for loading the jack (3) of load,
It is characterized in that,
First end of jack (3) is connected with force transducer (4), and jack (3) passes through force transducer (4)
Connect concrete test block (7)；
Second end of jack (3) is by for according to loading the fixed-hinged support (2) that load is automatically adjusted
It is connected to the accumbency steel column (1) for assisting double shear experiment；
It is bonded with carbon cloth (6) on the least one set opposite side wall of concrete test block (7), and carbon is fine
Wei Bu (6) extends towards accumbency steel column (1) direction and is positioned on accumbency steel column (1).
The experiment charger of carbon cloth double shear experiment the most according to claim 1, its feature exists
In,
Carbon cloth (6) is respectively positioned on the upper corresponding side wall surface of accumbency steel column (1).
The experiment charger of carbon cloth double shear experiment the most according to claim 1, its feature exists
In,
Carbon cloth (6) mutually overlaps on accumbency steel column (1) outer surface and is wrapped in accumbency steel column (1)
Outward.
The experiment charger of carbon cloth double shear experiment the most according to claim 1, its feature exists
In,
Carbon cloth (6) belongs to same and wraps up accumbency steel column from the outer surface of accumbency steel column (1)
(1)。
The experiment of carbon cloth double shear experiment the most according to any one of claim 1 to 4 adds and carries
Put, it is characterised in that
Accumbency steel column (1) uses semicircular pillar, square column, triangular column or trapezoidal column.
The experiment of carbon cloth double shear experiment the most according to any one of claim 1 to 4 adds and carries
Put, it is characterised in that
Fixed-hinged support (2) is coaxially arranged with jack (3), and the weight of axis and accumbency steel column (1)
The center of gravity of the heart and concrete test block (7) is on same straight line.
The experiment of carbon cloth double shear experiment the most according to any one of claim 1 to 4 adds and carries
Put, it is characterised in that
Be additionally provided with between force transducer (4) and concrete test block (7) for dispersed loading load in case
The baffle plate (5) that only stress is concentrated.
The experiment of carbon cloth double shear experiment the most according to any one of claim 1 to 4 adds and carries
Put, it is characterised in that
Between carbon cloth (6) and accumbency steel column (1) and/or carbon cloth (6) and concrete test block (7)
Between use bonded adhesives bonding.
The experiment of carbon cloth double shear experiment the most according to any one of claim 1 to 4 adds and carries
Put, it is characterised in that
Carbon cloth (6) encloses hemi-closure space, the opening of hemi-closure space towards concrete test block (7),
Baffle plate (5), force transducer (4), jack (3), fixed-hinged support (2) and steel column are in half envelope
Close in space.
The experiment of carbon cloth double shear experiment the most according to any one of claim 1 to 4 adds and carries
Put, it is characterised in that
The outbound course of jack (3) is towards steel column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620440190.3U CN205593860U (en) | 2016-05-15 | 2016-05-15 | Experimental experiment loading device of carbon cloth double shear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620440190.3U CN205593860U (en) | 2016-05-15 | 2016-05-15 | Experimental experiment loading device of carbon cloth double shear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205593860U true CN205593860U (en) | 2016-09-21 |
Family
ID=56930887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620440190.3U Expired - Fee Related CN205593860U (en) | 2016-05-15 | 2016-05-15 | Experimental experiment loading device of carbon cloth double shear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205593860U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106769847A (en) * | 2016-12-28 | 2017-05-31 | 长安大学 | FRP sticking strength comprehensive testers |
| US11169082B2 (en) | 2019-08-02 | 2021-11-09 | King Fahd University Of Petroleum And Minerals | Universal debonding test apparatus for carbon fiber reinforced polymer-concrete system and method for sequential multi-testing |
-
2016
- 2016-05-15 CN CN201620440190.3U patent/CN205593860U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106769847A (en) * | 2016-12-28 | 2017-05-31 | 长安大学 | FRP sticking strength comprehensive testers |
| US11169082B2 (en) | 2019-08-02 | 2021-11-09 | King Fahd University Of Petroleum And Minerals | Universal debonding test apparatus for carbon fiber reinforced polymer-concrete system and method for sequential multi-testing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160921 Termination date: 20180515 |