CN107817214B - Basalt fiber and asphalt cement interface bonding strength measuring device and testing method - Google Patents
Basalt fiber and asphalt cement interface bonding strength measuring device and testing method Download PDFInfo
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- CN107817214B CN107817214B CN201710999214.8A CN201710999214A CN107817214B CN 107817214 B CN107817214 B CN 107817214B CN 201710999214 A CN201710999214 A CN 201710999214A CN 107817214 B CN107817214 B CN 107817214B
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Abstract
The invention provides a device and a method for measuring the bonding strength of a basalt fiber and asphalt cement interface. The drawing test determination device comprises an outer frame, a test die, a drawing test machine, a tension sensor, a displacement sensor, a temperature control system and a data acquisition system. The test method comprises the following steps: preparing basalt fiber asphalt mortar test pieces, and cutting off exposed fibers at the non-stretching ends. And fixing the test piece, adjusting the height of the clamped basalt fiber, and vertically loading under a fixed temperature condition during testing to enable the basalt fiber to downwards move at a constant speed. And acquiring the tension change and the displacement change of the corresponding displacement sensor, and calculating the interface shear strength between the basalt fiber and the asphalt cement medium according to the drawing test statistical data. The device has reasonable structure, simple and convenient operation and reasonable and reliable determination result, and is beneficial to disclosing the action mechanism of the basalt fiber reinforced asphalt binder from the perspective of materials science.
Description
Technical Field
The invention relates to the technical field of determination of interfacial bonding strength between road engineering material media, in particular to a drawing test determination device and a test method for the interfacial bonding strength between basalt fibers and asphalt cement media.
Background
In recent years, basalt fibers are used for modified asphalt and asphalt mixtures due to excellent performance, the proportion of the basalt fiber modified asphalt in a mixture system is small, but the basalt fiber modified asphalt plays a very large role, the bonding characteristic of the basalt fibers and the asphalt directly influences whether the asphalt mixture system can become a complete whole, and due to the limitation of test conditions, relatively few researches on the basalt fiber modified asphalt at home and abroad are carried out.
At present, most researches are carried out on the pulling-out characteristic of steel fibers in a matrix in cement concrete, or a tensile test is carried out on single fibers, or a water immersion method and the like are adopted for qualitatively evaluating the adhesion performance of asphalt, but the methods are not suitable for quantitatively testing the adhesion performance between basalt fibers and an asphalt cement medium.
Disclosure of Invention
The invention mainly aims to provide a drawing test determination device and a test method for interface bonding strength of basalt fibers and asphalt cement, aiming at the defects of the existing road material interface bonding strength determination device. The device has reasonable structural design, simple and convenient operation and reasonable and reliable determination result, and is favorable for revealing the action mechanism of the basalt fiber reinforced asphalt binder from the perspective of materials science.
The purpose of the invention is realized by the following technical scheme:
a drawing test determination device for interface bonding strength of basalt fibers and asphalt cement comprises an outer frame, a test die, a drawing test machine, a tension sensor (the precision is 0.001N, the measuring range is 200N), a displacement sensor (the precision is 0.01mm, the measuring range is 100mm), a temperature control system and a data acquisition system; the outer frame consists of a base, an organic glass cover plate and two side beams, wherein rubber cushion blocks are arranged at the tops of the two side beams; 4 fixing piles are arranged in the middle of an upper beam of the drawing testing machine, and a vertical round hole is reserved in the middle of the upper beam; preparing a basalt fiber asphalt cement test piece by using a test mold, fixing the basalt fiber asphalt cement test piece in the middle of an upper beam through a fixing pile, and enabling the basalt fiber at a free section at one end of the test piece to penetrate through a small hole of the upper beam; adjusting the test environment temperature in the device through a temperature control system in the base; the drawing testing machine is arranged on a sliding support of the outer frame base, and the basalt fiber is clamped by the clamp to move downwards; the tension change and the corresponding displacement change of the drawing testing machine are input into the data acquisition system through the tension sensor and the displacement sensor.
Preferably, the test mold consists of two side molds and two end molds, wherein through holes are respectively and correspondingly reserved in the middle parts of the two end molds; to ensure that the basalt fibers are not snapped, a prism having an internal dimension of 15mm × 15mm × 25mm was molded.
Preferably, the drawing tester is arranged on a sliding support of the outer frame base, the sliding support drives the drawing tester when the power supply is switched on, and the basalt fiber is clamped by the clamp to move downwards along the metal sliding rod; simultaneously, the displacement meter fixedly connected with the drawing testing machine moves downwards along the marker post.
Preferably, the tension sensor and the displacement sensor are connected with the drawing tester and the sliding support, and the tension and the displacement of the basalt fiber are transmitted to the data acquisition system along with the change of time through the transmission line; the precision of the tension sensor is 0.001N, and the measuring range is 200N; the precision of the displacement sensor is 0.01mm, and the measuring range is 100 mm.
Preferably, a fixing bolt (10) is provided for fixing the upper beam (7) and the two side beams (12)
The test method of the drawing test determination device for determining the interface bonding strength of the basalt fiber and the asphalt cement comprises the following steps:
preparing asphalt mucilage according to the content requirements of the filler and the asphalt in the asphalt mixture, and fully and uniformly stirring;
pouring half of asphalt mastic into a test mold, then enabling a bundle of basalt fibers to pass through small holes in two sides of an end mold, horizontally placing the basalt fibers on the upper surface of an asphalt mastic sample, and applying micro-tension to two ends of the fibers to straighten the fibers; pouring the other half of the asphalt mucilage into the test mold, standing the test sample, cooling to room temperature, scraping the asphalt mucilage protruding from the surface, covering the other side mold, and cutting off basalt fibers at the non-stretching end of the edge of the test sample;
placing a to-be-tested piece in a fixed pile, fixing the to-be-tested piece in the middle of an upper beam of a drawing testing machine, and enabling the basalt fiber at the free section of one end of the test piece to penetrate through a small hole of the upper beam;
connecting a computer, adjusting the height of the clamp by controlling the surface plate to enable the clearance height between the top end of the clamp and the bottom surface of the sample to be 20mm, and then connecting the free-section basalt fiber at the lower end of the sample with the clamp;
covering an organic glass cover plate, opening a temperature controller, and waiting for the test temperature in the device to be reached;
switching on a power supply to start the tester, so that the fixture connected with the basalt fiber moves downwards at a constant speed of 0.5mm/min along with the drawing tester, and applying tension to the basalt fiber;
stopping the test until the basalt fiber is completely pulled out;
reading the pulling force output by the data acquisition system and the corresponding displacement data change value;
the interfacial bonding strength between the basalt fiber and the asphalt cement medium is calculated according to the formula (1), and the basalt fiberThe interface residual bonding strength between the rock fiber and the asphalt mucilage medium is calculated according to the formula (2) and is calculated to be accurate to 1.0 multiplied by 10-3：
In the formula: tau ismThe interface bonding strength of basalt fibers and asphalt cement medium is MPa;
τnthe interface residual bonding strength of the basalt fiber and the asphalt cement medium is MPa;
Nmax-is the maximum tensile force, N, to which the fibre is subjected in the drawing test;
Na-the tensile force, N, to which the basalt fibres are subjected before the test is over and before they stabilize;
the contact area, namely the shearing area, of the S-basalt fibers and the asphalt mucilage medium is calculated according to the fiber diameter and the thickness of an asphalt sample, and the contact area is mm2。
The above operations were repeated 3 times, and the data were averaged as the final result.
Compared with the prior art, the invention has the following remarkable advantages:
(1) the basalt fiber and asphalt mastic drawing test is adopted, so that the interface acting force attenuation rule of the basalt fiber and the asphalt mastic can be conveniently and quantitatively analyzed, and the stress performance in the process of bonding damage between the basalt fiber and an asphalt matrix is explored, so that the test result is more objective and reasonable.
(2) In the process of testing by using the method, basalt fiber forming samples with different embedding depths and different types can be adopted to research the influence rule of the fiber length and the mechanical property of the fiber on the interface bonding strength.
(3) The invention also provides a drawing test determination device for the interface bonding strength of the basalt fiber and the asphalt cement, the device has simple and reasonable structural design, is convenient to manufacture and operate, has reasonable and reliable determination results, and is beneficial to disclosing the action mechanism of the basalt fiber reinforced asphalt bonding material from the perspective of materials science.
The present invention is described in further detail below with reference to the attached drawing figures.
Drawings
FIG. 1 is a schematic structural diagram of a drawing test determination device for the interfacial bonding strength of basalt fibers and asphalt cement according to the present invention;
FIG. 2 is a schematic diagram of a test mold structure according to the present invention.
The reference numerals and their components represented are: the method comprises the following steps of 1-testing a mold, 2-end mold, 3-end mold pore, 4-side mold, 5-organic glass cover plate, 6-test piece, 7-upper beam, 8-fixing pile, 9-upper beam circular hole, 10-fixing bolt, 11-basalt fiber, 12-outer frame side beam, 13-outer frame base, 14-sliding support, 15-drawing tester, 16-clamp, 17-tension sensor, 18-displacement meter, 19-mark rod, 20-displacement sensor, 21-metal sliding rod, 22-transmission line, 23-data acquisition system, 24-output interface, 25-switch, 26-temperature controller and 27-rubber cushion block.
Detailed Description
In order to clarify the technical solution and technical object of the present invention, the present invention will be further described with reference to the accompanying drawings and the detailed description.
As shown in fig. 1 and 2, the drawing test measuring device for the interface bonding strength of the basalt fiber and the asphalt cement comprises an outer frame, a test die 1, a drawing tester 15, a tension sensor 17, a displacement sensor 20, a temperature control system 26 and a data acquisition system 23. The outer frame is composed of a base 13, an organic glass cover plate 5 and two side beams 12 into a whole, wherein rubber cushion blocks 27 are arranged at the tops of the two side beams 12; the middle part of the upper beam 7 is provided with 4 fixing piles 8, and a vertical round hole 9 with the diameter of about 5mm is reserved in the middle of the upper beam 7.
The drawing tester 15 is arranged above the sensor, and the tension sensor (with the precision of 0.001N and the measuring range of 200N)17 and the displacement sensor (with the precision of 0.01mm and the measuring range of 100mm)20 are connected with the drawing tester 15 and the sliding support 14. When the power supply 25 is switched on, the sliding support 14 drives the drawing tester 15 to clamp the basalt fibers 11 by the clamp 16 to move downwards along the metal sliding rod 21. Simultaneously, the displacement gauge 18 fixedly connected to the pull tester 15 is moved down along the post 19. Meanwhile, the transmission line 22 transmits the changes of the tension and the displacement of the basalt fiber 11 along with time to the data acquisition system 23.
The test die 1 consists of two side dies 4 and two end dies 2, wherein the two end dies 2 are respectively provided with a pore 3 at the center; to ensure that the basalt fibers are not snapped, a prism having an internal dimension of 15mm × 15mm × 25mm was molded.
The drawing test determination process of the interface bonding strength of the basalt fiber and the asphalt cement glue comprises the following steps:
1. preparing asphalt mucilage according to the content requirements of the filler and the asphalt in the asphalt mixture, generally adopting modified asphalt, keeping the temperature at 160 ℃, and fully and uniformly stirring;
2. pouring half of asphalt mastic into a test mold 1, then horizontally placing a bundle of basalt fibers 11 with the length of about 75mm on the upper surface of an asphalt mastic sample after passing through small pores 3 on two sides of the test mold, wherein the basalt fibers at one end leak out for about 30mm, and applying a small pulling force to two ends of the fibers to straighten the fibers;
3. pouring the other half of the asphalt mucilage into the test mold, standing the test sample, cooling to room temperature, scraping the test sample with a hot scraper, covering the other side mold, and shearing basalt fibers at the non-stretching end at the edge of the test sample 6;
4. vertically placing a to-be-tested piece 6 in a fixing pile 8 and fixing the to-be-tested piece in the middle of an upper beam 7, and enabling a free-section basalt fiber 11 at one end of the test piece to penetrate through a small hole 9 of the upper beam;
5. connecting a computer, adjusting the height of the clamp 16 by controlling the surface plate to enable the clearance height between the top end of the clamp 16 and the bottom surface of the sample 6 to be 20mm, and then connecting the free-section basalt fiber 11 at the lower end of the sample 6 with the clamp 16;
6. covering the organic glass cover plate 5, and opening the temperature controller 26 until the temperature in the device is constant;
7. switching on a power supply 25 to start the tester, so that the clamp 16 connected with the basalt fiber 11 moves downwards along with the drawing tester 15 at a constant speed of 0.5mm/min to apply tension to the basalt fiber 11;
8. stopping the test until the basalt fiber 11 is completely pulled out;
9. reading the pulling force output by the data acquisition system 23 and the corresponding displacement data change value;
10. the interface bonding strength between the basalt fiber and the asphalt cement medium is calculated according to the formula (1), the interface residual bonding strength between the basalt fiber and the asphalt cement medium is calculated according to the formula (2), and the calculation is accurate to 1.0 multiplied by 10-3：
In the formula: tau ismThe interface bonding strength of basalt fibers and asphalt cement medium is MPa;
τnthe interface residual bonding strength of the basalt fiber and the asphalt cement medium is MPa;
Nmax-is the maximum tensile force, N, to which the fibre is subjected in the drawing test;
Na-the tensile force, N, to which the basalt fibres are subjected before the test is over and before they stabilize;
the contact area, namely the shearing area, of the S-basalt fibers and the asphalt mucilage medium is calculated according to the fiber diameter and the thickness of an asphalt sample, and the contact area is mm2。
11. The above operations were repeated 3 times, and the data were averaged as the final result.
Claims (7)
1. A basalt fiber and pitch mucilage interface bonding strength measuring device is characterized in that: the device comprises an outer frame (5, 12, 13), a test die (1), a drawing tester (15), a tension sensor (17), a displacement sensor (20), a temperature control system (26) and a data acquisition system (23); the outer frame consists of a base (13), an organic glass cover plate (5) and two side beams (12); 4 fixed piles (8) are arranged in the middle of the upper beam (7), and a vertical round hole (9) is reserved in the middle of the upper beam (7); the test mould (1) for preparing the basalt fiber asphalt cement test piece (6) is fixed in the middle of the upper beam (7) through a fixing pile (8), the basalt fiber (11) at the free section of one end of the basalt fiber asphalt cement test piece (6) is ensured to pass through a vertical round hole (9) of the upper beam, and an organic glass cover plate (5) is arranged on the top of the test mould (1); the drawing tester (15) is arranged on a sliding support (14) of the outer frame base (13) and clamps the basalt fiber (11) at the free section to move downwards through a clamp (16); the tension change and the corresponding displacement change of the drawing testing machine (15) are input into a data acquisition system through a tension sensor (17) and a displacement sensor (20), and the device is provided with a temperature control system (26) for keeping constant temperature in the device; the test die (1) consists of two side dies (4) and two end dies (2), wherein through holes (3) are respectively and correspondingly reserved in the centers of the two end dies (2); the inside of the test mold is provided with a prism which ensures that basalt fibers are not broken and has the size of 15mm multiplied by 25 mm; the working process of the device comprises the following steps:
(1) preparing fully and uniformly stirred asphalt mucilage according to the content requirements of the filler and the asphalt in the asphalt mixture;
(2) pouring half of asphalt mastic into the test mold (1), simultaneously enabling a beam of basalt fibers (11) to penetrate through small holes (3) of end molds at two sides of the test mold (1), horizontally placing the basalt fibers on the upper surface of an asphalt mastic sample, and applying micro-pulling force to two ends of the fibers to straighten the fibers; pouring the other half of the asphalt mucilage into the test mold (1), standing the test sample, cooling to room temperature, scraping the asphalt mucilage protruding from the surface, covering the other side mold (4), and shearing the basalt fiber at the non-stretching end of the edge of the test sample (6);
(3) vertically placing a piece to be tested (6) in a fixed pile (8) and fixing the piece to be tested in the middle of an upper beam (7), and enabling a free section basalt fiber (11) at one end of a sample to penetrate through a small hole (9) of the upper beam;
(4) connecting a computer, adjusting the height of the clamp (16) to enable the clearance height between the top end of the clamp (16) and the bottom surface of the sample (6) to be 20mm, and then connecting the free-section basalt fiber (11) at the lower end of the sample (6) with the clamp (16);
(5) covering an organic glass cover plate (5), and opening a temperature controller (26) until the temperature in the device is constant;
(6) switching on a power supply (25) to start the tester, so that a clamp (16) connected with the basalt fiber (11) moves downwards at a constant speed of 0.5mm/min along with a drawing tester (15), and applying a tensile force to the basalt fiber (11);
(7) stopping the test until the basalt fiber (11) is completely pulled out;
(8) reading the pulling force output by the data acquisition system (23) and the corresponding displacement data change value;
(9) calculating to obtain the interface bonding strength between the basalt fibers and the asphalt mortar medium and the interface residual bonding strength between the basalt fibers and the asphalt mortar medium;
the interface bonding strength between the basalt fibers and the asphalt cement medium is obtained according to the formula (1):
in the formula: tau ismThe interface bonding strength of basalt fibers and asphalt cement medium is MPa;
nmax-is the maximum tensile force that the fiber is subjected to in the drawing test, N;
the contact area, namely the shearing area, of the S-basalt fibers and the asphalt mucilage medium is calculated according to the fiber diameter and the thickness of an asphalt sample, and the contact area is mm2。
2. The device for measuring the interfacial bonding strength between the basalt fiber and the asphalt cement according to claim 1, wherein: the drawing tester (15) is arranged on a sliding support (14) of the outer frame base (13), when the power supply (25) is switched on, the sliding support (14) drives the drawing tester (15), and the basalt fiber (11) is clamped by the clamp (16) to move downwards along the metal sliding rod (21).
3. The device for measuring the interfacial bonding strength between the basalt fiber and the asphalt cement according to claim 1, wherein: the tensile force sensor (17) and the displacement sensor (20) are connected with the drawing testing machine (15) and the sliding support (14), and the changes of tensile force and displacement on the basalt fiber (11) along with time are transmitted to the data acquisition system (23) through the transmission line (22); the precision of the tension sensor (17) is 0.001N, and the measuring range is 200N; the precision of the displacement sensor (20) is 0.01mm, and the measuring range is 100 mm.
4. The device for measuring the interfacial bonding strength between the basalt fiber and the asphalt cement according to claim 1, wherein: a temperature control system (26) is arranged in the outer frame base (13).
5. The device for measuring the interfacial bonding strength between the basalt fiber and the asphalt cement according to claim 1, wherein: the fixing bolt (10) is used for fixing the upper beam (7) and the two side beams (12).
6. A method for testing the basalt fiber-asphalt mastic interface bonding strength measuring apparatus according to any one of claims 1 to 5, characterized in that: the method comprises the following steps:
(1) preparing fully and uniformly stirred asphalt mucilage according to the content requirements of the filler and the asphalt in the asphalt mixture;
(2) pouring half of asphalt mastic into the test mold (1), simultaneously enabling a beam of basalt fibers (11) to penetrate through small holes (3) of end molds at two sides of the test mold (1), horizontally placing the basalt fibers on the upper surface of an asphalt mastic sample, and applying micro-pulling force to two ends of the fibers to straighten the fibers; pouring the other half of the asphalt mucilage into the test mold (1), standing the test sample, cooling to room temperature, scraping the asphalt mucilage protruding from the surface, covering the other side mold (4), and shearing the basalt fiber at the non-stretching end of the edge of the test sample (6);
(3) vertically placing a piece to be tested (6) in a fixed pile (8) and fixing the piece to be tested in the middle of an upper beam (7), and enabling a free section basalt fiber (11) at one end of a sample to penetrate through a small hole (9) of the upper beam;
(4) connecting a computer, adjusting the height of the clamp (16) to enable the clearance height between the top end of the clamp (16) and the bottom surface of the sample (6) to be 20mm, and then connecting the free-section basalt fiber (11) at the lower end of the sample (6) with the clamp (16);
(5) covering an organic glass cover plate (5), and opening a temperature controller (26) until the temperature in the device is constant;
(6) switching on a power supply (25) to start the tester, so that a clamp (16) connected with the basalt fiber (11) moves downwards at a constant speed of 0.5mm/min along with a drawing tester (15), and applying a tensile force to the basalt fiber (11);
(7) stopping the test until the basalt fiber (11) is completely pulled out;
(8) reading the pulling force output by the data acquisition system (23) and the corresponding displacement data change value;
(9) calculating to obtain the interface bonding strength between the basalt fibers and the asphalt mortar medium and the interface residual bonding strength between the basalt fibers and the asphalt mortar medium;
the interface bonding strength between the basalt fibers and the asphalt cement medium is obtained according to the formula (1):
in the formula: tau ismThe interface bonding strength of basalt fibers and asphalt cement medium is MPa;
nmax-is the maximum tensile force that the fiber is subjected to in the drawing test, N;
the contact area, namely the shearing area, of the S-basalt fibers and the asphalt mucilage medium is calculated according to the fiber diameter and the thickness of an asphalt sample, and the contact area is mm2。
7. The testing method of the basalt fiber and asphalt cement interface bonding strength testing device according to claim 6, characterized in that: the interface residual bonding strength between the asphalt cement media is obtained according to the formula (2):
τnthe interface residual bonding strength of the basalt fiber and the asphalt cement medium is MPa;
na-the tensile force, N, to which the basalt fibers are subjected when the basalt fibers tend to stabilize before the test is finished;
the contact area, namely the shearing area, of the S-basalt fibers and the asphalt mucilage medium is calculated according to the fiber diameter and the thickness of an asphalt sample, and the contact area is mm2。
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|---|---|---|---|---|
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101923044A (en) * | 2010-07-27 | 2010-12-22 | 长安大学 | GF (Gravity Force) multifunctional story-force tester |
| 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 |
| CN204495702U (en) * | 2015-03-19 | 2015-07-22 | 金陵科技学院 | The proving installation of adhesive property is extracted from cement-based material for checking single fiber |
| CN104807749A (en) * | 2015-04-09 | 2015-07-29 | 东南大学 | Test method for bonding strength of chopped ultrafine organic fiber and cement-based composite interface |
| CN204903362U (en) * | 2015-07-13 | 2015-12-23 | 江苏城市职业学院 | Modified survey fibre - concrete interface bond property's testing arrangement |
| CN205538476U (en) * | 2016-04-19 | 2016-08-31 | 长安大学 | Appearance is drawn to full -automatic pavement material adhesion strength |
| CN206146817U (en) * | 2016-10-17 | 2017-05-03 | 江苏开放大学 | Rail mounted survey fibre cloth bond property's device |
| CN206504999U (en) * | 2016-12-20 | 2017-09-19 | 河海大学 | Determine the experimental rig of basalt fibre muscle and Bond Performance Between Concrete under cyclic load |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9109992B2 (en) * | 2011-06-10 | 2015-08-18 | Halliburton Energy Services, Inc. | Method for strengthening a wellbore of a well |
| DE112013002050B4 (en) * | 2012-04-16 | 2019-12-24 | Espec Corp. | Hygrometer and temperature-humidity chamber provided |
| US9581538B2 (en) * | 2014-03-12 | 2017-02-28 | Pepsico, Inc. | Method and apparatus for assessment of adhesion of labels |
| CN104458574B (en) * | 2014-12-09 | 2017-01-04 | 北京科技大学 | Device and method for testing shear strength in ultrahigh-temperature or large-temperature-difference environment |
| CN205027604U (en) * | 2015-05-25 | 2016-02-10 | 新昌县开源汽车轴承有限公司 | Novel sensor die pull is measured device |
| CN105259107A (en) * | 2015-10-21 | 2016-01-20 | 江苏城市职业学院 | Device for testing bond performance of reinforcing steel bar and concrete through drawing and testing method |
| CN206114395U (en) * | 2016-11-03 | 2017-04-19 | 广东工业大学 | Reinforcing bar drawing test test piece making devices |
-
2017
- 2017-10-20 CN CN201710999214.8A patent/CN107817214B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101923044A (en) * | 2010-07-27 | 2010-12-22 | 长安大学 | GF (Gravity Force) multifunctional story-force tester |
| 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 |
| CN204495702U (en) * | 2015-03-19 | 2015-07-22 | 金陵科技学院 | The proving installation of adhesive property is extracted from cement-based material for checking single fiber |
| CN104807749A (en) * | 2015-04-09 | 2015-07-29 | 东南大学 | Test method for bonding strength of chopped ultrafine organic fiber and cement-based composite interface |
| CN204903362U (en) * | 2015-07-13 | 2015-12-23 | 江苏城市职业学院 | Modified survey fibre - concrete interface bond property's testing arrangement |
| CN205538476U (en) * | 2016-04-19 | 2016-08-31 | 长安大学 | Appearance is drawn to full -automatic pavement material adhesion strength |
| CN206146817U (en) * | 2016-10-17 | 2017-05-03 | 江苏开放大学 | Rail mounted survey fibre cloth bond property's device |
| CN206504999U (en) * | 2016-12-20 | 2017-09-19 | 河海大学 | Determine the experimental rig of basalt fibre muscle and Bond Performance Between Concrete under cyclic load |
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