CN106644646A - Straight chopped fiber drawing test sample forming mold and part manufacturing method thereof - Google Patents
Straight chopped fiber drawing test sample forming mold and part manufacturing method thereof Download PDFInfo
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- CN106644646A CN106644646A CN201710005961.5A CN201710005961A CN106644646A CN 106644646 A CN106644646 A CN 106644646A CN 201710005961 A CN201710005961 A CN 201710005961A CN 106644646 A CN106644646 A CN 106644646A
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- 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
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- 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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Abstract
The invention discloses a straight chopped fiber drawing test sample forming mold and a part manufacturing method thereof. The straight chopped fiber drawing test sample forming mold comprises a fastener and is characterized in that the fastener penetrates a horizontal baffle, a mold bottom plate, a first positioning column, a first positioning plate, a second positioning column and a second positioning plate, so that the horizontal baffle, the mold bottom plate, the first positioning column, the first positioning plate, the second positioning column and the second positioning plate are integrally locked, the horizontal baffle and a vertical baffle are mounted on the upper portion of the mold bottom plate to enclose a test piece mold cavity, a cover plate covers the upper portion of the horizontal baffle and the vertical baffle, the first positioning plate and the second positioning plate are sequentially mounted below the mold bottom plate, and a plurality of needle penetrating holes positioned at the same axle center are formed in the cover plate, the mold bottom plate, the first positioning plate and the second positioning plate. The forming mold is reasonable in structural design, the embedded length of fibers in a test sample can be accurately controlled, embedded ends of the fibers cannot be additionally cut, the ends of the fibers can keep original appearances, and accuracy and reliability of test results are ensured. The forming mold is simple in structure and suitable for popularization and application, and parts are conveniently manufactured.
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 the important evidence that fiber is rationally modified, 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
Extract destruction by very high probability is had) most straightway testing method, and occur spike protein gene destruction in the case of it is single
Spike protein gene experimental result then can be directly used for determining friction adhesion strength, chemical bonding of the fiber in matrix or composite
The Micromechanical Parameters such as intensity and sliding hardening coefficient.For be chopped organic fiber in the base extract experiment, existing system
Quadrat method has problem following prominent：1st, many researchers make relevant sample using corresponding long fibre as far as possible, but
In practice, more researchers 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
Also only 1mm or so is even shorter for its critical embedded length in cement base matrix under condition, 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 work as the critical anchorage length of fiber only
There is 1mm or so even more in short-term, cutting operation will become extremely difficult, even if very skilled try with being carefully still easy to damage
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 out-of-flatness or inclined phenomenon in the cut surface 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
There is substantially deformation in the afterbody at end, and then cause experimental result not conform to the actual conditions.
3) existing method directly by it is cleaved and polish process after test specimen using glue be directly adhered to test accessory
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 it 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 its is right
The impact of experimental result is completely uncontrolled, it is difficult to estimate.
The content of the invention
The present invention is directed to disadvantage mentioned above, makes difficult 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 does not destroy and keeps original appearance, it is ensured that the accuracy and reliability of experimental result.To realize 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；It is horizontal
It is arranged on above the die bottom plate to baffle plate and longitudinal baffle and surrounds test specimen die cavity, cover plate is covered in transverse baffle and longitudinal baffle
Above；First location-plate and the second location-plate are sequentially arranged on die bottom plate lower section；The cover plate, die bottom plate, first
It is equipped with above location-plate and the second location-plate in multiple holes of threading a needle in same axle center.
Preferentially, the transverse baffle and/or longitudinal baffle inner side offer notch, notch and test specimen die cavity joining edge
Its own corresponding apical side height 0.5-2mm is highly less than, its discrepancy in elevation is preferably controlled less than material maximum grain in matrix material
1.5～2 times of footpath, by many experiments, preferred 1mm, as notch 1mm low near test specimen die cavity, on the cover plate lid after, it is many
Remaining product material can be pressed into notch, it is ensured that surface of test piece is smooth.Transverse baffle and longitudinal baffle can also be opened up individually
Notch.In addition, the cross sectional shape of notch can be arc, rectangle, trapezoidal, inverted trapezoidal or del.
Preferentially, the hole lower section of threading a needle of second location-plate is further opened with screwed hole, and screw is spun in screwed hole, is adopted
This kind of design, embedded length that can be with precise control fiber in test specimen matrix meets different experiment demands.
Preferentially, die bottom plate bottom surface is covered with sheet rubber, and sheet rubber is using 1mm～2mm thick sheet rubber, sheet rubber and examination
Part substrate contact face does not need brushing releasing agent to 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 in short-term releasing agent may be produced to matrix.
In the making of sample, fiber and matrix may be presented 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, both can 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.
Based on said apparatus, 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 into one end of fiber by paste, stands until paste solidification makes fiber be connected
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 the draw point matched somebody with somebody is threaded a needle die trial above hole；
3) adjust screw and height is screwed in screwed hole, to ensure the draw point of afterbody anchoring fiber through the second positioning
When screw top is arrived in hole of threading a needle on plate, the length that fiber afterbody is stayed in matrix is target length；
4) sample is poured into test specimen die cavity, covers cover plate and flatten specimen surface, unnecessary slurry is pressed into notch；
5) start step 1) made by thread a needle hole of the draw point with fiber above cover plate start to wear down successively, finally
Draw point top withstands on screw and reaches setting position, and now fiber afterbody is embedded in test specimen matrix with target length；
6) based on step 5), whole device is placed more than 24 hours, make test specimen curing molding；
7) based on step 6), lower cover and locating steel needle are unloaded, whole device is put into immersion 10-30 minutes in water, make steel
Pin softens with the paste that fiber coheres, and both complete in separation；
8) based on step 7), screw is unloaded, make draw point drop automatically, sheet rubber is unloaded, platoon is distributed using cutting machine
Multiple samples be cut into independent monfil drawing sample complete test specimen making.
In above-mentioned product method, the paste described in step 1 be 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, draw point top is provided with breach, because 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 subsequent operation is carried out.
In above-mentioned product method, step 2) draw point matched 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, what sheet rubber possessed in itself
Elastic characteristic is excellent will to ensure that draw point is closed substantially after extracting, 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 and reliability of experimental configuration.
Present configuration is simple, and product is convenient, suitably promotes the use of.
Description of the drawings
Now next by means of the accompanying drawing of embodiment 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
The single basalt fibre of Mold Making prepared using the present invention extracts sample：Target sample is chopped profound using straight type
Military rock fiber, the length and diameter of fiber are respectively 15mm and 9 μm, and it is 1mm that fiber is embedded into the length in matrix in sample, is worn
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 arranged on the die bottom plate 5
Face surrounds test specimen die cavity 12, and the bottom surface of die bottom plate 5 is covered with sheet rubber 13.Transverse baffle 1 and the inner side of longitudinal baffle 10 offer groove
Mouthful, notch is highly less than its own corresponding face height 0.5mm, in the present embodiment, notch with the joining edge of test specimen die cavity 12
Cross sectional shape be arc.
Cover plate 4 is covered on transverse baffle 1 and longitudinal baffle 10；The location-plate 7 of first location-plate 6 and second is sequentially pacified
It is mounted in the lower section of 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 are in above
Multiple holes 3 of threading a needle in same axle center.In the installation process of whole mould, in order to ensure all accurate position in 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 on test specimen in order to accurately control fiber, 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 the distance in screwed hole 9 to withstand draw point, so as to the dial-out length of accurately control fiber.
Based on said apparatus, 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 into one end of fiber by Rice ＆ peanut milk paste, 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
The pierce through of sheet rubber 13 that the draw point of matching is threaded a needle die trial above hole；
3) adjust screw and height is screwed in screwed hole 9, to ensure the draw point of afterbody anchoring fiber fixed through second
When screw top is arrived in hole of threading a needle on the plate 7 of position, the length that fiber afterbody is stayed in matrix is target length；
4) sample is poured into test specimen die cavity 12, covers cover plate 4 and flatten specimen surface, unnecessary slurry is pressed into notch
It is interior；
5) start step 1) made by thread a needle hole of the draw point 2 with fiber above cover plate 4 start to wear down successively, most
Afterwards draw point top withstands on screw 11 and reaches setting position, and now fiber afterbody is embedded in test specimen matrix with target length；
6) based on step 5), whole device is placed 25 hours, make test specimen curing molding；
7) based on step 6), unload lower cover and locating steel needle, by whole device be put into water soak 10 minutes, make draw point with
The paste that fiber coheres softens, and both complete in separation；
8) based on step 7), screw 11 is unloaded, make draw point 2 drop automatically, sheet rubber 13 is unloaded, 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 is 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 and hole 3 of threading a needle inclines 45 degree and determines through cover plate 4, die bottom plate 5, the first location-plate 6 and second for top
Position plate 7, comprises the following steps：
1) afterbody in draw point 2 is pasted into one end of fiber by flour paste, 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
The pierce through of sheet rubber 13 that the draw point of matching is threaded a needle die trial above hole；
3) adjust screw and height is screwed in screwed hole 9, to ensure the draw point of afterbody anchoring fiber fixed through second
When screw top is arrived in hole of threading a needle on the plate 7 of position, the length that fiber afterbody is stayed in matrix is target length；4) sample is poured into
In test specimen die cavity 12, cover cover plate 4 and flatten specimen surface, unnecessary slurry is pressed into notch；
5) start step 1) made by thread a needle hole of the draw point 2 with fiber above cover plate 4 start to wear down successively, most
Afterwards draw point top withstands on screw 11 and reaches setting position, and now fiber afterbody is embedded in test specimen matrix with target length；
6) based on step 5), whole device is placed 25 hours, make test specimen curing molding；
7) based on step 6), unload lower cover and locating steel needle, by whole device be put into water soak 30 minutes, make draw point with
The paste that fiber coheres softens, and both complete in separation；
8) 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 final single single fiber and extract sample.
Claims (3)
1. a kind of straight type chopped strand pull-out test sample forming die product method, it is characterised in that comprise the following steps：
1）One end of fiber is pasted in draw point by paste（2）Afterbody, stand until paste solidification make fiber be connected
In draw point（2）On；
2）By sheet rubber（13）Entirely pasted on die trial base plate using paste, after paste solidification, using with hole of threading a needle
The sheet rubber that the draw point matched somebody with somebody is threaded a needle die trial above hole（13）Pierce through；
3）Screw is adjusted in screwed hole（9）It is interior to screw in height, to ensure the draw point of afterbody anchoring fiber through the second positioning
Plate（7）On hole of threading a needle arrive at screw top when, the length that fiber afterbody is stayed in matrix be target length；
4）Pour sample into test specimen die cavity（12）It is interior, cover cover plate（4）Specimen surface is flattened, unnecessary slurry is pressed into notch
It is interior；
5）Start step 1）Made by draw point（2）With fiber along cover plate（4）Hole of threading a needle above starts to wear down successively,
Last draw point top withstands on screw（11）Setting position is reached, now fiber afterbody is embedded in test specimen matrix with target length；
6）Based on step 5）, whole device is placed more than 24 hours, make test specimen curing molding；
7）Based on step 6）, lower cover and locating steel needle are unloaded, whole device is put into immersion 10-30 minutes in water, make draw point
Soften with the paste that fiber coheres, both complete in separation；
8）Based on step 7）, unload screw（11）, make draw point（2）Automatically drop, unload sheet rubber（13）, will using cutting machine
Multiple samples of platoon distribution are cut into independent monfil drawing sample and complete test specimen making.
2. straight type chopped strand pull-out test sample forming die product method according to claim 1, it is characterised in that
Step 1）Described paste is Rice ＆ peanut milk paste, starch paste or flour paste.
3. straight type chopped strand pull-out test sample forming die product method according to claim 1, its feature exists
In the draw point（2）Top is provided with breach.
Priority Applications (1)
| 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 |
Applications Claiming Priority (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 |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510061130.0A Division CN104655462B (en) | 2015-02-05 | 2015-02-05 | Straight type chopped strand pull-out test sample forming die and its product method |
Publications (2)
| Publication Number | Publication Date |
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| CN106644646A true CN106644646A (en) | 2017-05-10 |
| CN106644646B CN106644646B (en) | 2019-01-25 |
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| CN201510061130.0A Expired - Fee Related CN104655462B (en) | 2015-02-05 | 2015-02-05 | Straight type chopped strand pull-out test sample forming die and its product method |
| 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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| Application Number | Title | Priority Date | Filing Date |
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| CN201510061130.0A Expired - Fee Related 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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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108827748A (en) * | 2018-06-06 | 2018-11-16 | 内蒙古工业大学 | Single PVA fiber is embedded in test piece mould and operation measure in cement-base composite material |
| CN108844822A (en) * | 2018-06-13 | 2018-11-20 | 扬州大学 | A method of for detecting chopped strand alkaline resistance properties |
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|---|---|---|---|---|
| CN105890949B (en) * | 2016-04-12 | 2019-03-15 | 湖北工业大学 | A kind of method and sample forming device preparing single fiber pull-out test sample |
| CN106198289B (en) * | 2016-07-11 | 2018-10-16 | 大连理工大学 | A kind of experimental method of research processing carbon fibre composite cutting mechanisms |
| 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 |
| CN110487715B (en) * | 2019-08-23 | 2022-05-27 | 淮阴工学院 | High-ductility cement-based material single fiber pulling-out test device and test method |
| CN111175114A (en) * | 2020-01-17 | 2020-05-19 | 长安大学 | Molding test mold and method for chopped fiber-cement-based material test piece |
| CN114062078B (en) * | 2021-11-08 | 2023-08-18 | 福州大学 | Sample forming device for curve fiber drawing test |
| CN114923751A (en) * | 2022-05-17 | 2022-08-19 | 福州大学 | Accurate positioning method for curve fiber sample forming device |
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| GB2356058A (en) * | 1999-11-03 | 2001-05-09 | Panagiotis Frantzis | Bond durability test of steel fibre reinforced concrete |
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| CN2723165Y (en) * | 2004-09-09 | 2005-09-07 | 国家工业建筑诊断与改造工程技术研究中心 | Mold for producing recin anti-shear property test piece |
| CN102519799B (en) * | 2011-12-08 | 2014-05-14 | 江苏博特新材料有限公司 | Device for testing bonding performance of synthetic fiber and cement based material during plastic stage |
| 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 |
| KR101455753B1 (en) * | 2014-06-09 | 2014-11-04 | 한국건설기술연구원 | Field pullout test equipment for geotextile reinforcing member, and test method using the same |
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- 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
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2356058A (en) * | 1999-11-03 | 2001-05-09 | Panagiotis Frantzis | Bond durability test of steel fibre reinforced concrete |
| CN102207449A (en) * | 2011-03-16 | 2011-10-05 | 东南大学 | Test method for bonding stress between fiber reinforced plastic bar and concrete |
| 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 |
| 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 |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108827748A (en) * | 2018-06-06 | 2018-11-16 | 内蒙古工业大学 | Single PVA fiber is embedded in test piece mould and operation measure in cement-base composite material |
| 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 |
|---|---|
| CN106644646B (en) | 2019-01-25 |
| CN104655462A (en) | 2015-05-27 |
| CN104655462B (en) | 2017-03-15 |
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