CN104655462B - Straight type chopped strand pull-out test sample forming die and its product method - Google Patents
Straight type chopped strand pull-out test sample forming die and its product method Download PDFInfo
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- CN104655462B CN104655462B CN201510061130.0A CN201510061130A CN104655462B CN 104655462 B CN104655462 B CN 104655462B CN 201510061130 A CN201510061130 A CN 201510061130A CN 104655462 B CN104655462 B CN 104655462B
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- 238000007586 pull-out test Methods 0.000 title claims abstract description 17
- 238000000034 method Methods 0.000 title description 17
- 238000012360 testing method Methods 0.000 claims abstract description 34
- 229920001971 elastomer Polymers 0.000 claims description 21
- 239000005060 rubber Substances 0.000 claims description 21
- 238000005304 joining Methods 0.000 claims description 3
- 239000000835 fiber Substances 0.000 abstract description 71
- 238000005520 cutting process Methods 0.000 abstract description 7
- 238000013461 design Methods 0.000 abstract description 4
- 239000011159 matrix material Substances 0.000 description 18
- 238000007711 solidification Methods 0.000 description 7
- 230000008023 solidification Effects 0.000 description 7
- 238000002474 experimental method Methods 0.000 description 6
- 230000006378 damage Effects 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000002131 composite material Substances 0.000 description 4
- 239000000284 extract Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 241000209094 Oryza Species 0.000 description 3
- 235000007164 Oryza sativa Nutrition 0.000 description 3
- 238000004873 anchoring Methods 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 235000013312 flour Nutrition 0.000 description 3
- 239000003292 glue Substances 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 235000020265 peanut milk Nutrition 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 235000009566 rice Nutrition 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- 101710198474 Spike protein Proteins 0.000 description 2
- 229920002472 Starch Polymers 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 235000019698 starch Nutrition 0.000 description 2
- 239000008107 starch Substances 0.000 description 2
- 229920002748 Basalt fiber Polymers 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 235000013339 cereals Nutrition 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000011518 fibre cement Substances 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/286—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q involving mechanical work, e.g. chopping, disintegrating, compacting, homogenising
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/286—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q involving mechanical work, e.g. chopping, disintegrating, compacting, homogenising
- G01N2001/2873—Cutting or cleaving
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- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
Straight type chopped strand pull-out test sample forming die, including securing member, is characterized in that, the securing member is locked and be integrated through transverse baffle, die bottom plate, the first locating dowel, the first location-plate, the second locating dowel and the second location-plate；Transverse baffle and longitudinal baffle surround test specimen die cavity above the die bottom plate, and cover plate is covered on transverse baffle and longitudinal baffle；First location-plate and the second location-plate are sequentially below die bottom plate；The multiple holes of threading a needle in same axle center are equipped with above the cover plate, die bottom plate, the first location-plate and the second location-plate.The present invention can accurately control fiber embedded length in the sample by rational structure design, be simultaneously embedded in end and do not need extra cutting process, fiber end keep original appearance, it is ensured that the accuracy of experimental result and reliability.Present configuration is simple, and product is convenient, suitably promotes the use of.
Description
Technical field
The invention belongs to short fiber reinforced cement-base composite material technical field, and in particular to a kind of straight type chopped strand draws
Pull out test sample mould and its product method.
Background technology
It is exploitation high performance fibre cement based composites, development fiber that bonding of the fiber in cement matrix extracts characteristic
Cement-base composite material meso mechanical model and to the reasonable modified important evidence of fiber, and single fiber pulling out in the base
Go out experiment and be to determine that critical embedded length (will be broken from matrix with very high probability more than this length fiber, be shorter than this length
Destruction is extracted by very high probability is had) most straightway testing method, and occur spike protein gene destruction in the case of single
Spike protein gene experimental result then can be directly used for determining friction adhesion strength of the fiber in matrix or composite, chemical bonding
The Micromechanical Parameters such as intensity and sliding hardening coefficient.For chopped organic fiber in the base extract experiment, existing system
Quadrat method has problem following prominent：1st, many researcheres all make relevant sample as far as possible using corresponding long fibre, but
In practice, more researcheres cannot obtain the long fibre corresponding with chopped strand at all, and using long stapled
In the case of will also face following some problems：
1) many fibers, especially hydrophilic fibre, typical case's such as vinal, even through surface treatment feelings
Under condition, also only 1mm or so is even shorter for its critical embedded length in cement base matrix, and existing method is to take profit
Then appointed thickness (with fiber embedded length) is cut out using cutting machine with long fibre sample preparation, and only work as the critical anchorage length of fiber
There is 1mm or so even more in short-term, cutting operation will become extremely difficult, even if very skilled and careful be still easy to damage examination
Part, and the afterbody generation significantly deformation of fiber position of fixity is likely resulted in cutting, and then test result may be caused
Do not conform to the actual conditions.
2) once there is the phenomenon of out-of-flatness or inclination in the facet for cutting out test specimen, and single fiber extracts sample will
Also need to carry out to polish process, and the equally possible damage of this processing procedure or damage test specimen, it is equally possible to cause fiber build-in
The afterbody at end occurs substantially to deform, and then causes experimental result not conform to the actual conditions.
3) existing method is directly directly adhered to cleaved test accessory using glue with test specimen that is polishing after processing
In (typically metal quality), the afterbody of fiber has the risk for touching glue, once fiber afterbody touches glue, then will lead
It is insincere that experimental result is extracted in cause.
2nd, the researcher of the only a few for finding make use of chopped fiber to make single fiber pull sample, but which is not taken
Rational means control the direction of fiber, i.e. the method for making sample fiber embedded direction in the base is almost uncontrolled, and which is right
The impact of experimental result is completely uncontrolled, it is difficult to estimate.
Content of the invention
The present invention is directed to disadvantage mentioned above, makes difficulty based on existing fibne pull-out test sample is solved, and fibre length is not
Manageable problem.Propose a kind of straight type chopped strand pull-out test sample forming die and its product method, the mould and
Product method can accurately control embedded length of the fiber in matrix of samples, while may insure by rational structure design
Fiber is not destroyed and keeps original appearance, it is ensured that the accuracy of experimental result and reliability.For realizing the purpose of the present invention, this
The technical scheme of bright employing is：
Straight type chopped strand pull-out test sample forming die, including securing member, is characterized in that, the securing member is through horizontal stroke
Locked and be integrated to baffle plate, die bottom plate, the first locating dowel, the first location-plate, the second locating dowel and the second location-plate；Horizontal
Test specimen die cavity is surrounded to baffle plate and longitudinal baffle above the die bottom plate, cover plate is covered in transverse baffle and longitudinal baffle
Above；First location-plate and the second location-plate are sequentially below die bottom plate；The cover plate, die bottom plate, first
The multiple holes of threading a needle in same axle center are equipped with above location-plate and the second location-plate.
Preferentially, notch, notch and test specimen die cavity joining edge are offered on the inside of the transverse baffle and/or longitudinal baffle
Its own corresponding apical side height 0.5-2mm is highly less than, and its discrepancy in elevation is preferably controlled less than material maximum grain in matrix material
1.5～2 times of footpath, by many experiments, preferably 1mm, as notch 1mm low near test specimen die cavity, on the cover plate lid after, many
Remaining product material can be pressed in notch, it is ensured that surface of test piece is smooth.Transverse baffle and longitudinal baffle individually can also be opened up
Notch.In addition, the cross sectional shape of notch can be arc, rectangle, trapezoidal, inverted trapezoidal or del.
Preferentially, screwed hole is further opened with below the hole of threading a needle of second location-plate, screw is spun in screwed hole, adopt
This kind of design, embedded length that can be with precise control fiber in test specimen matrix meet different experiment demands.
Preferentially, die bottom plate bottom surface is covered with sheet rubber, and sheet rubber is using the thick sheet rubbers of 1mm～2mm, sheet rubber and examination
Part substrate contact face does not need brushing releasing agent separate with test specimen, and releasing agent can be avoided issuable to contacted matrix
Adverse effect, especially avoids when the fiber embedded length adverse effect that very releasing agent may be produced to matrix in short-term.
In the making of sample, fiber and matrix may assume different angle, therefore, hole and each plate shape of threading a needle into angle
For 15-90 degree, so thread a needle hole can according to test requirements document, can both pass perpendicularly through can also tilt through be laid in cover plate,
Above die bottom plate, the first location-plate and the second location-plate.
Said apparatus are based on, the invention allows for a kind of straight type chopped strand pull-out test sample forming die product side
Method, it is characterised in that comprise the following steps：
1) afterbody in draw point is pasted by paste in one end of fiber, standing makes fiber be connected until paste solidification
On draw point；
2) sheet rubber is entirely pasted on die trial base plate using paste, after paste solidification, using with hole of threading a needle
The sheet rubber pierce through that die trial is threaded a needle above hole by the draw point that matches somebody with somebody；
3) adjust screw and height is screwed in screwed hole, to ensure the draw point of afterbody anchoring fiber through the second positioning
When hole of threading a needle on plate is arrived at the top of screw, the length that fiber afterbody is stayed in matrix is target length；
4) sample is poured in test specimen die cavity, covers cover plate and specimen surface is flattened, unnecessary slurry is pressed in notch；
5) starting step 1) hole of threading a needle of the draw point made with fiber above cover plate starts to wear down successively, finally
Screw being withstood at the top of draw point and reaching setting position, now fiber afterbody is embedded in test specimen matrix with target length；
6) step 5 is based on), whole device is placed more than 24 hours, test specimen curing molding is made；
7) step 6 is based on), lower cover and locating steel needle is unloaded, whole device is put into immersion 10-30 minutes in water, steel is made
Pin is softened with the paste that fiber coheres, and both complete in separation；
8) step 7 is based on), screw is unloaded, is made draw point drop automatically, is unloaded sheet rubber, platoon is distributed using cutting machine
Multiple samples be cut into independent monfil drawing sample complete test specimen making.
In above-mentioned product method, paste described in step 1 is Rice ＆ peanut milk paste, starch paste or flour paste, these three
Material is easiest to obtain, while its effect is not permanent, if being soaked in water, its stickiness can be made to cease to be in force automatically, and meets this
Experiment does not destroy the requirement of fiber.
In above-mentioned product method, breach at the top of draw point, is provided with, as the diameter of fiber is very thin, can be led to
The sticky gap position sticked in draw point is crossed, so guarantees that dial-out length of the every fiber on sample is all identical.In above-mentioned system
In part method, step 2) described in sheet rubber is entirely pasted in die trial using Rice ＆ peanut milk paste, starch paste or flour paste
On base plate, after paste solidification, carry out subsequent operation.
In above-mentioned product method, step 2) draw point mated with hole of threading a needle is used in advance by directly over die bottom plate
Sheet rubber pierce through, is threaded a needle through resistance during sheet rubber with reducing the foot section brought fiber draw point during sample preparation, and sheet rubber possesses in itself
Elastic characteristic is excellent will to ensure that draw point is closed after extracting substantially, so as to ensure that aggregate material when pouring test specimen will not pass through sheet rubber
On thread a needle hole loss.
Compared with prior art, it is an advantage of the invention that：The present invention can accurately control fibre by rational structure design
Dimension plug length in the sample, while may insure that fiber is not destroyed, it is ensured that the accuracy of experimental configuration and reliability.
Present configuration is simple, and product is convenient, suitably promotes the use of.
Description of the drawings
Now next the accompanying drawing by means of embodiment is carrying out brief description to the present invention.In accompanying drawing：
Fig. 1 shows the front view of straight type chopped strand pull-out test sample forming die of the invention；
Fig. 2 shows the side view of straight type chopped strand pull-out test sample forming die of the invention；
Fig. 3 shows the structural representation in product region of the present invention；
Fig. 4 shows that product draw point of the present invention is worn and pulls out test specimen schematic flow sheet.
In figure：1st, transverse baffle, 2, draw point, 3, hole of threading a needle, 4. cover plate, 5, die bottom plate, the 6, first location-plate, 7, second
Location-plate, 8, pillar, 9, screwed hole, 10, longitudinal baffle, 11, screw, 12, test specimen die cavity, 13, sheet rubber, 14, securing member,
15th, the first locating dowel, the 16, second locating dowel, 17, positioning wire.
Specific embodiment
With reference to specific embodiment, the present invention is described in detail.Following examples will be helpful to the technology of this area
Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that the ordinary skill to this area
For personnel, without departing from the inventive concept of the premise, some deformations and improvement can also be made.These belong to the present invention
Protection domain.
Embodiment 1
Sample is extracted using the single basalt fibre of the Mold Making of present invention preparation：Target sample is chopped profound using straight type
Military rock fiber, the length of fiber and diameter are respectively 15mm and 9 μm, and in sample, fiber is embedded into the length in matrix for 1mm, wears
Pin hole 3 passes perpendicularly through cover plate 4, die bottom plate 5, the first location-plate 6 and the second location-plate 7.
As illustrated, straight type chopped strand pull-out test sample forming die, including securing member 14, securing member 14 is spiral shell
Silk.Securing member 14 is through transverse baffle 1, die bottom plate 5, the first locating dowel 15, the first location-plate 6, the second locating dowel 16 and the
Two location-plates 7 are locked is formed as one whole mould.In addition, the lower section of the second location-plate 7 is also associated with pillar 8, pillar 8
Whole mould can be propped up, be easy to the making of test specimen.Transverse baffle 1 and longitudinal baffle 10 are on the die bottom plate 5
Face surrounds test specimen die cavity 12, and 5 bottom surface of die bottom plate is covered with sheet rubber 13.Groove is offered on the inside of transverse baffle 1 and longitudinal baffle 10
Mouthful, notch is highly less than its own corresponding face height 0.5mm, in the present embodiment, notch with 12 joining edge of test specimen die cavity
Cross sectional shape be arc.
Cover plate 4 is covered on transverse baffle 1 and longitudinal baffle 10；First location-plate 6 and the second location-plate 7 are sequentially pacified
It is mounted in below die bottom plate 5；The cover plate 4, die bottom plate 5, the first location-plate 6 and the second location-plate 7 are equipped with above and are in
Multiple holes 3 of threading a needle in same axle center.In the installation process of whole mould, in order to ensure all accurate positions of hole 3 of threading a needle of each part
In same axle center, can be through in the preformed hole of each part by positioning wire 17, be positioned, then in clinch fastener
14.
In mould use, length is extracted to accurately control fiber on test specimen, meets different requirement of experiment,
We are further opened with screwed hole 9 below the hole 3 of threading a needle of the second location-plate 7, and screw 11 is spun in screwed hole 9, can pass through spiral shell
Silk 11 screws in distance in screwed holes 9 withstanding draw point, so as to accurately control the dial-out length of fiber.
Said apparatus are based on, the draw point 2 for being used sets draw point jaggy for top, the product method in this enforcement, bag
Include following steps：
1) afterbody in draw point 2 is pasted by Rice ＆ peanut milk paste in one end of fiber, stands 20 minutes, until paste solidification makes
Fiber is fastened on draw point 2；
2) sheet rubber 13 is entirely pasted on die trial base plate using paste, after paste solidification, using with hole of threading a needle
13 pierce through of sheet rubber that die trial is threaded a needle above hole by the draw point of coupling；
3) adjust screw and height is screwed in screwed hole 9, to ensure the draw point of afterbody anchoring fiber fixed through second
When hole of threading a needle on the plate 7 of position is arrived at the top of screw, the length that fiber afterbody is stayed in matrix is target length；
4) sample is poured in test specimen die cavity 12, covers cover plate 4 and specimen surface is flattened, unnecessary slurry is pressed into notch
Interior；
5) starting step 1) draw point 2 made starts to wear down successively along the hole of threading a needle above cover plate 4 with fiber, most
Withstand on screw 11 afterwards at the top of draw point and reach setting position, now fiber afterbody is embedded in test specimen matrix with target length；
6) step 5 is based on), whole device is placed 25 hours, test specimen curing molding is made；
7) be based on step 6), unload lower cover and locating steel needle, by whole device be put in water soak 10 minutes, make draw point with
The paste that fiber coheres softens, and both complete in separation；
8) step 7 is based on), screw 11 is unloaded, is made draw point 2 drop automatically, is unloaded sheet rubber 13, using cutting machine by platoon
Multiple samples of distribution are cut into independent monfil drawing sample and complete test specimen making.
Embodiment 2
The structure of the present embodiment mould is identical in implementing 1, and the present embodiment is to extract examination for making single polyethylene fibre
Sample, fibre diameter are 25 μm, and fibre length is 12mm, and fiber is embedded into the target length in matrix for 2mm, the draw point for being used
2 set draw point jaggy for top and hole 3 of threading a needle inclines 45 degree through cover plate 4, die bottom plate 5, the first location-plate 6 and second calmly
Position plate 7, comprises the following steps：
1) afterbody in draw point 2 is pasted by flour paste in one end of fiber, stands 30 minutes, until paste solidification makes
Fiber is fastened on draw point 2；
2) sheet rubber 13 is entirely pasted on die trial base plate using paste, after paste solidification, using with hole of threading a needle
13 pierce through of sheet rubber that die trial is threaded a needle above hole by the draw point of coupling；
3) adjust screw and height is screwed in screwed hole 9, to ensure the draw point of afterbody anchoring fiber fixed through second
When hole of threading a needle on the plate 7 of position is arrived at the top of screw, the length that fiber afterbody is stayed in matrix is target length；
4) sample is poured in test specimen die cavity 12, covers cover plate 4 and specimen surface is flattened, unnecessary slurry is pressed into notch
Interior；
5) starting step 1) draw point 2 made starts to wear down successively along the hole of threading a needle above cover plate 4 with fiber, most
Withstand on screw 11 afterwards at the top of draw point and reach setting position, now fiber afterbody is embedded in test specimen matrix with target length；
6) step 5 is based on), whole device is placed 25 hours, test specimen curing molding is made；
7) be based on step 6), unload lower cover and locating steel needle, by whole device be put in water soak 30 minutes, make draw point with
The paste that fiber coheres softens, and both complete in separation；
8) be based on step 7), unload screw 11, make draw point 2 drop automatically, unload sheet rubber 13, product is completed, along with
The direction of fibers parallel, in adjacent two fiber centre positions, incision can be prepared by finally single single fiber and extract sample.
Claims (6)
1. straight type chopped strand pull-out test sample forming die, including securing member (14), is characterized in that, securing member (14)
Pass through transverse baffle (1), die bottom plate (5), the first locating dowel (15), the first location-plate (6), the second locating dowel (16) and second
Location-plate (7) is locked to be integrated；Transverse baffle (1) and longitudinal baffle (10) are enclosed above installed in the die bottom plate (5)
Into test specimen die cavity (12), cover plate (4) is covered in transverse baffle (1) and longitudinal baffle (10) above；First location-plate (6) and
Two location-plates (7) are sequentially below die bottom plate (5)；Cover plate (4), die bottom plate (5), the first location-plate (6) and
Second location-plate (7) is equipped with multiple hole of threading a needle (3) in same axle center above.
2. straight type chopped strand pull-out test sample forming die according to claim 1, it is characterised in that described laterally
Notch is offered on the inside of baffle plate (1) and/or longitudinal baffle (10), and notch is highly less than which certainly with test specimen die cavity (12) joining edge
The corresponding apical side height 0.5-2mm of body.
3. straight type chopped strand pull-out test sample forming die according to claim 2, it is characterised in that the notch
Cross sectional shape be arc, rectangle, trapezoidal, inverted trapezoidal or del.
4. straight type chopped strand pull-out test sample forming die according to claim 1, it is characterised in that described second
Screwed hole (9) is additionally provided with below the hole of threading a needle (3) of location-plate (7), and screw (11) is spun in screwed hole (9).
5. the straight type chopped strand pull-out test sample forming die according to any one in claim 1-4, its feature
It is, die bottom plate (5) bottom surface is covered with sheet rubber (13).
6. the straight type chopped strand pull-out test sample forming die according to any one in claim 1-4, its feature
Be, hole of threading a needle (3) and each plate shape into angle be 15-90 degree.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710005961.5A CN106644646B (en) | 2015-02-05 | 2015-02-05 | Straight type chopped strand pull-out test sample forming die and its product method |
| CN201510061130.0A CN104655462B (en) | 2015-02-05 | 2015-02-05 | Straight type chopped strand pull-out test sample forming die and its product method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510061130.0A CN104655462B (en) | 2015-02-05 | 2015-02-05 | Straight type chopped strand pull-out test sample forming die and its product method |
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| CN201710005961.5A Division CN106644646B (en) | 2015-02-05 | 2015-02-05 | Straight type chopped strand pull-out test sample forming die and its product method |
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| CN104655462B true CN104655462B (en) | 2017-03-15 |
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| CN201710005961.5A Expired - Fee Related CN106644646B (en) | 2015-02-05 | 2015-02-05 | Straight type chopped strand pull-out test sample forming die and its product method |
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| CN102628790A (en) * | 2012-04-23 | 2012-08-08 | 金陵科技学院 | Testing device and method for bonding performance of fiber and mortar materials |
| CN102901670A (en) * | 2012-08-23 | 2013-01-30 | 苏州南智传感科技有限公司 | Single-fiber reinforced-soil pullout test instrument |
| KR101455753B1 (en) * | 2014-06-09 | 2014-11-04 | 한국건설기술연구원 | Field pullout test equipment for geotextile reinforcing member, and test method using the same |
| CN204086024U (en) * | 2014-07-16 | 2015-01-07 | 国家电网公司 | A kind of basalt fibre muscle pull-out test device |
| CN204027930U (en) * | 2014-08-20 | 2014-12-17 | 南京大学（苏州）高新技术研究院 | A kind of fibne pull-out creep proving installation |
-
2015
- 2015-02-05 CN CN201510061130.0A patent/CN104655462B/en not_active Expired - Fee Related
- 2015-02-05 CN CN201710005961.5A patent/CN106644646B/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108318317A (en) * | 2018-01-05 | 2018-07-24 | 南京航空航天大学 | A kind of high throughput prepares the device and method of micro- key unsticking experimental sample |
| CN108318317B (en) * | 2018-01-05 | 2019-09-27 | 南京航空航天大学 | A kind of high throughput prepares the device and method of micro- key unsticking experimental sample |
| CN108844822A (en) * | 2018-06-13 | 2018-11-20 | 扬州大学 | A method of for detecting chopped strand alkaline resistance properties |
| CN108844822B (en) * | 2018-06-13 | 2021-03-26 | 扬州大学 | Method for detecting alkali resistance of chopped fibers |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104655462A (en) | 2015-05-27 |
| CN106644646B (en) | 2019-01-25 |
| CN106644646A (en) | 2017-05-10 |
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