CN102628790A - Testing device and method for bonding performance of fiber and mortar materials - Google Patents
Testing device and method for bonding performance of fiber and mortar materials Download PDFInfo
- Publication number
- CN102628790A CN102628790A CN2012101188945A CN201210118894A CN102628790A CN 102628790 A CN102628790 A CN 102628790A CN 2012101188945 A CN2012101188945 A CN 2012101188945A CN 201210118894 A CN201210118894 A CN 201210118894A CN 102628790 A CN102628790 A CN 102628790A
- Authority
- CN
- China
- Prior art keywords
- test
- mould
- fiber
- specimen
- mortar
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
Provided are a testing device and a testing method for bonding performance of fiber and mortar materials, wherein the device comprises a testing specimen forming mold (1) and a tensile testing fixture (2), the testing specimen forming mold (1) includes a left mold (3), a right mold (4) and plastic inserts (5), an '8' shaped cavity is formed by splicing the left mold (3) with the right mold (4), slots (6) for inserting one side of the plastic inserts (5) are arranged at the left mold (3), the right mold (4) and a middle position, the plastic inserts (5) are provided with a plurality of through holes, side transverse slits (7) are arrange at one side of the left mold (3) and one side of the right mold (4); the tensile testing fixture (2) is composed of an inner arc-shaped chuck (8) matching with the shape of an end part of a testing specimen (11), a spheric joint (9) and a connecting bolt (10). The device and the method of the invention are simple and practicable, and have high testing precision.
Description
Technical field
The present invention relates to a kind of material test device and method, the fiber bonding strength test device and method in especially a kind of fibre-bearing mortar, specifically a kind of fiber and mortar material adhesive property proving installation and method.
Background technology
As everyone knows, the widespread use in the engineering at home and abroad of fiber cement based composites in order to reduce the drawdown deformation of cement matrix, improves its splitting resistance.The performance of the performance of its cracking resistance and fiber itself and closely related with the interface binding intensity of cement matrix.Interface binding intensity can be obtained by methods such as fiber pull, fiber indentation test, fibre breakage test, the tests of microballon unsticking.For the brittle base material that is easy to ftracture such as concrete, mortar, when the crack occurring, both sides, fiber bridging crack, this is close with fiber pull situation, therefore can adopt its interface binding intensity of fiber pull research.
The bonding load-carrying properties of fiber and cement material and kinds of fibers, fiber embedment length, imbed angle, and certain relation is arranged in the unique characteristics of cement matrix such as match ratio, humiture, length of time etc.And at present to the research of the fiber cement-based material research aspect macro-mechanical property that focuses mostly on; The research of doing to the cohesiveness the subject of knowledge and the object of knowledge of fiber and cement matrix is seldom arranged, and therefore can't carefully see numerical value research for fiber cement-based material provides a cover reasonable practical parameter.Therefore; Research and develop a kind of test unit and the test method that can accurately measure the adhesive property between the fiber and cement-based material under the different affecting factors, for fiber cement-based composite property research and finite element analysis provide technical parameter to have crucial meaning.
Summary of the invention
The objective of the invention is to studying and finite element analysis provides the problem of correlation technique parameter for fiber cement-based composite property at present because of lacking relevant test unit and method so being difficult to; Design a kind of fiber and mortar material adhesive property proving installation, propose corresponding test method simultaneously.
One of technical scheme of the present invention is:
A kind of fiber and mortar material adhesive property proving installation; It is characterized in that it comprises specimen molding mould 1 and tensile test fixture 2; Described specimen molding mould 1 comprises left mould 3, right mould 4 and plastics inserted sheet 5; Left side mould 3, right mould 4 splicing backs form a figure of eight die cavity; Respectively be provided with one in left mould 3, right mould 4 and midway and be used for plug-in mounting plastics inserted sheet 5 draw-in groove 6 on one side; That described plastics inserted sheet 5 is provided with is that the end that supplies fiber passes, with some through holes that fibre diameter is complementary, be provided with the side lateral slot 7 that communicates with inner chamber at left mould 3 and right mould 4 on one side, be fixed with on the side lateral slot 7 with pass plastics inserted sheet 5 on the connecting line that links to each other of fiber one end of through hole; Described tensile test fixture 2 is made up of the arc chuck 8, flexural pivot 9 and the coupling bolt 10 that match with test specimen 11 end profiles; Arc chuck 8 is sleeved on the end of test specimen 11; The ball seat of flexural pivot 9 links to each other with arc chuck 8 through coupling bolt 10, and the drag link end of flexural pivot 9 joins with the force side of tension tester or holder.
Side lateral slot 7 places on described left mould 3 and the right mould 4 are provided with the scale mark of unlabeled fibronectin embedment length and angle.
Two of technical scheme of the present invention is:
A kind of fiber and mortar material adhesive property method of testing is characterized in that it comprises preparation, clamping and the tension test of test specimen, and wherein the preparation process of test specimen is:
At first, according to treating that the test thread diameter beats some apertures at plastics inserted sheet position placed in the middle, will treat that then test thread passes aperture;
Secondly, an end of treating test thread is twined lopping or heat becomes pimple, to strengthen the anchoring of this end in high-strength mortar, guarantee when stretch-loaded, this end can unsticking;
The 3rd, snap in the draw-in groove of figure of eight specimen molding mould middle part being installed with the plastics inserted sheet of treating test thread, through the plastics inserted sheet die trial inner chamber is divided into two parts;
The 4th; Earlier in treating half specimen molding mould of test thread anchored end, build the high-strength mortar material; After treating this part mortar hardening, will treat that through adhesive tape the other end of test thread and common fine rule are bonding, thereby and link to each other through the connecting line on the side lateral slot of fine rule traction and specimen molding mould side wall and will treat that test thread is fixed in the test angle place of setting; Build the second portion mortar then, treat that mortar hardening is to specifying form removal after the length of time promptly to accomplish the preparation of test specimen;
The two ends of the test specimen for preparing gained are set on the corresponding arc chuck of tensile test fixture; And it is continuous with the ball seat that is connected the ball dumpling through coupling bolt; With two connecting rods that connect ball pivots respectively with the stiff end of cupping machine and force side limit mutually; Start cupping machine, the record test figure.
In order to detect fiber and the adhesive property of mortar under the different temperature and humidity conditions, can link to each other with tensile test fixture again to the test specimen baking or after soaking earlier.
Beneficial effect of the present invention:
The present invention is an adhesive property of accurately measuring fiber and mortar material; Study different fiber embedment lengths and imbed angle; And the mortar material different mixture ratio, the Changing Pattern of fiber and mortar material bonding load-carrying properties provides necessary test unit and method under different humitures and the length of time condition.
The present invention has simple, the easy to operate advantage of device.
Description of drawings
Fig. 1 is the test unit structural representation of fiber of the present invention and mortar material adhesive property.
The structural representation of Fig. 2 figure of eight specimen molding of the present invention mould, wherein Fig. 2 a be vertical view Fig. 2 b for the A of Fig. 2 a to view.
Fig. 3 is an arc clamp structure synoptic diagram of the present invention.
Fig. 4 is the structural representation of ball dumpling joint of the present invention.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is further described.
Embodiment one.
Shown in Fig. 1-4.
A kind of fiber and mortar material adhesive property proving installation; It comprises specimen molding mould 1 (Fig. 2) and tensile test fixture 2 (Fig. 3,4); Described specimen molding mould 1 comprises left mould 3, right mould 4 and plastics inserted sheet 5; Left side mould 3, right mould 4 splicing backs form a figure of eight die cavity (like Fig. 2 a); Respectively be provided with one in left mould 3, right mould 4 and midway and be used for plug-in mounting plastics inserted sheet 5 draw-in groove 6 on one side, that described plastics inserted sheet 5 is provided with is that the end that supplies fiber passes, with some through holes that fibre diameter is complementary, be provided with the side lateral slot 7 that communicates with inner chamber at left mould 3 and right mould 4 on one side; Be fixed with on the side lateral slot 7 with pass plastics inserted sheet 5 on the connecting line that links to each other of fiber 12 1 ends of through hole, shown in Fig. 2 b.Described tensile test fixture 2 is made up of the arc chuck 8 (like Fig. 3), flexural pivot 9 (like Fig. 4) and the coupling bolt 10 that match with test specimen 11 end profiles; Arc chuck 8 is sleeved on the end of test specimen 11; The ball seat of flexural pivot 9 links to each other with arc chuck 8 through coupling bolt 10; The drag link end of flexural pivot 9 links to each other with the force side of tension tester or holder, and is as shown in Figure 1.Side lateral slot 7 places on left mould 3 and right mould 4 are provided with the scale mark of unlabeled fibronectin embedment length and angle.
Embodiment two.
A kind of fiber and mortar material adhesive property method of testing, it comprises preparation, clamping and the tension test of test specimen, wherein the preparation process of test specimen is:
At first, according to treating that the test thread diameter beats some apertures at plastics inserted sheet position placed in the middle, will treat that then test thread passes aperture;
Secondly, an end of treating test thread is twined lopping or heat becomes pimple, to strengthen the anchoring of this end in high-strength mortar, guarantee when stretch-loaded, this end can unsticking;
The 3rd, snap in the draw-in groove of figure of eight specimen molding mould middle part being installed with the plastics inserted sheet of treating test thread, through the plastics inserted sheet die trial inner chamber is divided into two parts;
The 4th; Earlier in treating half specimen molding mould of test thread anchored end, build the high-strength mortar material; After treating this part mortar hardening, will treat that through adhesive tape the other end of test thread and common fine rule are bonding, thereby and link to each other through the connecting line on the side lateral slot of fine rule traction and specimen molding mould side wall and will treat that test thread is fixed in the test angle place of setting; Build the second portion mortar then, treat that mortar hardening is to specifying form removal after the length of time promptly to accomplish the preparation of test specimen; In order to detect fiber and the adhesive property of mortar under the different temperature and humidity conditions, can link to each other with tensile test fixture again to the test specimen baking or after soaking earlier.
The test specimen clamping is meant that the two ends with the test specimen of preparation gained are set on the corresponding arc chuck of tensile test fixture; And it is continuous with the ball seat that is connected the ball dumpling through coupling bolt; With two connecting rods that connect ball pivots respectively with the stiff end of cupping machine and force side limit mutually; Ball dumpling joint can be eliminated the Influence from Eccentric of axle when drawing; Start cupping machine, mortar and fiber bonding testing piece are applied the axial tension load, record test figure (comprise the maximum tension payload values when fiber is pulled out unsticking and extract shift value).
The present invention does not relate to all identical with the prior art prior art that maybe can adopt of part and realizes.
Claims (4)
1. fiber and mortar material adhesive property proving installation; It is characterized in that it comprises specimen molding mould (1) and tensile test fixture (2); Described specimen molding mould (1) comprises left mould (3), right mould (4) and plastics inserted sheet (5); Left side mould (3), right mould (4) splicing back form a figure of eight die cavity; Respectively be provided with one in left mould (3), right mould (4) and midway and be used for plug-in mounting plastics inserted sheet (5) draw-in groove (6) on one side; Some through holes that described plastics inserted sheet (5) is provided with is that the end that supplies fiber passes, be complementary with fibre diameter; On left mould (3) and right mould (4) one side, be provided with the side lateral slot (7) that communicates with inner chamber, be fixed with on the side lateral slot (7) with pass plastics inserted sheet (5) on the connecting line that links to each other of fiber one end of through hole; Described tensile test fixture (2) is made up of the arc chuck (8), flexural pivot (9) and the coupling bolt (10) that match with test specimen (11) end profiles; Arc chuck (8) is sleeved on the end of test specimen (11); The ball seat of flexural pivot (9) links to each other with arc chuck (8) through coupling bolt (10), and the drag link end of flexural pivot (9) links to each other with the force side or the holder of tension tester.
2. fiber according to claim 1 and mortar material adhesive property proving installation is characterized in that the side lateral slot (7) on described left mould (3) and the right mould (4) locates to be provided with the scale mark of unlabeled fibronectin embedment length and angle.
3. fiber and mortar material adhesive property method of testing is characterized in that it comprises preparation, clamping and the tension test of test specimen, and wherein the preparation process of test specimen is:
At first, according to treating that the test thread diameter beats some apertures at plastics inserted sheet position placed in the middle, will treat that then test thread passes aperture;
Secondly, an end of treating test thread is twined lopping or heat becomes pimple, to strengthen the anchoring of this end in high-strength mortar, guarantee when stretch-loaded, this end can unsticking;
The 3rd, snap in the draw-in groove of figure of eight specimen molding mould middle part being installed with the plastics inserted sheet of treating test thread, through the plastics inserted sheet die trial inner chamber is divided into two parts;
The 4th; Earlier in treating half specimen molding mould of test thread anchored end, build the high-strength mortar material; After treating this part mortar hardening, will treat that through adhesive tape the other end of test thread and common fine rule are bonding, thereby and link to each other through the connecting line on the side lateral slot of fine rule traction and specimen molding mould side wall and will treat that test thread is fixed in the test angle place of setting; Build the second portion mortar then, treat that mortar hardening is to specifying form removal after the length of time promptly to accomplish the preparation of test specimen;
Described test specimen clamping is meant that the two ends with the test specimen of preparation gained are set on the corresponding arc chuck of tensile test fixture; And it is continuous with the ball seat that is connected the ball dumpling through coupling bolt; Two connecting rods that connect ball pivots are joined with the stiff end and the force side of cupping machine respectively; Start cupping machine and carry out tension test, the record test figure.
4. method according to claim 3 is characterized in that also and can link to each other with tensile test fixture to the test specimen baking or after soaking earlier again, to detect fiber and the adhesive property of mortar under the different temperature and humidity conditions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101188945A CN102628790A (en) | 2012-04-23 | 2012-04-23 | Testing device and method for bonding performance of fiber and mortar materials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101188945A CN102628790A (en) | 2012-04-23 | 2012-04-23 | Testing device and method for bonding performance of fiber and mortar materials |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102628790A true CN102628790A (en) | 2012-08-08 |
Family
ID=46587089
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012101188945A Pending CN102628790A (en) | 2012-04-23 | 2012-04-23 | Testing device and method for bonding performance of fiber and mortar materials |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102628790A (en) |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103364271A (en) * | 2013-07-02 | 2013-10-23 | 中国工程物理研究院化工材料研究所 | Fragile material tensile test clamp |
| CN103900955A (en) * | 2014-04-11 | 2014-07-02 | 河北工业大学 | Device for quantitatively testing initial viscosity of adhesive and test method |
| CN104568744A (en) * | 2015-01-19 | 2015-04-29 | 浙江大学 | Fiber adhesive property testing device suitable for common tension tester |
| CN104596924A (en) * | 2015-01-15 | 2015-05-06 | 唐忠荣 | Method for rapidly checking internal bonding strength of artificial board and special clamps |
| CN104655462A (en) * | 2015-02-05 | 2015-05-27 | 李贺东 | Sample forming die for straight type chopped fiber pull-out test and manufacturing method of sample forming die |
| CN105181585A (en) * | 2015-09-25 | 2015-12-23 | 扬州大学 | Device and method for fiber and pitch adhesion testing |
| CN105241810A (en) * | 2015-10-10 | 2016-01-13 | 敦煌研究院 | Method and device for preparing fresco restoration material and measuring cohesiveness |
| CN107894364A (en) * | 2018-01-17 | 2018-04-10 | 兰州理工大学 | A kind of scanning electron microscope home position stretches servicing unit |
| CN107966343A (en) * | 2017-11-30 | 2018-04-27 | 沈阳工业大学 | For PVA fibre bundles and the Collapsible mould of cement-based material adhesion test |
| CN108106992A (en) * | 2017-12-19 | 2018-06-01 | 中建材中岩科技有限公司 | Test about Bond Strength method under the conditions of the infiltration of coating material pressure |
| CN109030348A (en) * | 2018-08-14 | 2018-12-18 | 上海市建筑科学研究院 | The test method of steel fibre and slurry adhesion strength in ultra-high performance concrete |
| CN109781619A (en) * | 2019-03-05 | 2019-05-21 | 太原理工大学 | A kind of fixture and detection method detecting fiber cement substrates adhesive property |
| CN109959607A (en) * | 2019-04-30 | 2019-07-02 | 中国水利水电第十二工程局有限公司 | A kind of concrete tension bond strength testing method |
| CN110333184A (en) * | 2019-08-02 | 2019-10-15 | 河南工程学院 | A kind of steel fiber reinforced concrete adhesion strength tension test part and tensile test apparatus |
| CN110702492A (en) * | 2019-09-20 | 2020-01-17 | 同济大学 | Bidirectional single fiber pulled cement matrix test piece mold and manufacturing and application thereof |
| CN110736699A (en) * | 2019-09-11 | 2020-01-31 | 临海伟星新型建材有限公司 | Device for testing binding force between plastic part and metal insert and testing method thereof |
| CN111198155A (en) * | 2020-01-13 | 2020-05-26 | 西南交通大学 | Sample forming device and method for flexible fiber drawing test |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2052899U (en) * | 1989-07-25 | 1990-02-14 | 北京市建筑工程研究所 | Detector for concrete tensile strength in situ |
| JPH11211636A (en) * | 1998-01-30 | 1999-08-06 | Maeda Corp | Method for testing tensile strength of concrete |
| CN1527042A (en) * | 2003-09-19 | 2004-09-08 | 同济大学 | Measurement method of plastic tensile strength of cement-base material |
-
2012
- 2012-04-23 CN CN2012101188945A patent/CN102628790A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2052899U (en) * | 1989-07-25 | 1990-02-14 | 北京市建筑工程研究所 | Detector for concrete tensile strength in situ |
| JPH11211636A (en) * | 1998-01-30 | 1999-08-06 | Maeda Corp | Method for testing tensile strength of concrete |
| CN1527042A (en) * | 2003-09-19 | 2004-09-08 | 同济大学 | Measurement method of plastic tensile strength of cement-base material |
Non-Patent Citations (3)
| Title |
|---|
| 于湖生: "黄麻纤维用于混凝土增强的研究", 《中国优秀博士学位论文全文数据库工程科技II辑》 * |
| 李丽等: "钢纤维与水泥砂浆界面粘结性能的试验研究", 《洛阳大学学报》 * |
| 杨萌: "钢纤维高强度混凝土增强、增韧机理及基于韧性的设计方法研究", 《中国优秀博硕士学位论文全文数据库（博士）工程科技II辑》 * |
Cited By (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103364271B (en) * | 2013-07-02 | 2015-06-17 | 中国工程物理研究院化工材料研究所 | Fragile material tensile test clamp |
| CN103364271A (en) * | 2013-07-02 | 2013-10-23 | 中国工程物理研究院化工材料研究所 | Fragile material tensile test clamp |
| CN103900955A (en) * | 2014-04-11 | 2014-07-02 | 河北工业大学 | Device for quantitatively testing initial viscosity of adhesive and test method |
| CN104596924A (en) * | 2015-01-15 | 2015-05-06 | 唐忠荣 | Method for rapidly checking internal bonding strength of artificial board and special clamps |
| CN104568744B (en) * | 2015-01-19 | 2018-06-12 | 浙江大学 | A kind of fibres bond performance test device suitable for common tensile testing machine |
| CN104568744A (en) * | 2015-01-19 | 2015-04-29 | 浙江大学 | Fiber adhesive property testing device suitable for common tension tester |
| CN104655462A (en) * | 2015-02-05 | 2015-05-27 | 李贺东 | Sample forming die for straight type chopped fiber pull-out test and manufacturing method of sample forming die |
| CN105181585A (en) * | 2015-09-25 | 2015-12-23 | 扬州大学 | Device and method for fiber and pitch adhesion testing |
| CN105181585B (en) * | 2015-09-25 | 2018-03-13 | 扬州大学 | A kind of fiber and asphalt adhesive performance test device and method |
| CN105241810A (en) * | 2015-10-10 | 2016-01-13 | 敦煌研究院 | Method and device for preparing fresco restoration material and measuring cohesiveness |
| CN105241810B (en) * | 2015-10-10 | 2023-08-15 | 敦煌研究院 | Method and device for preparing mural repair material and determining cohesiveness of mural repair material |
| CN107966343A (en) * | 2017-11-30 | 2018-04-27 | 沈阳工业大学 | For PVA fibre bundles and the Collapsible mould of cement-based material adhesion test |
| CN107966343B (en) * | 2017-11-30 | 2023-11-07 | 沈阳工业大学 | Detachable die for PVA fiber bundle and cement-based material adhesion test |
| CN108106992A (en) * | 2017-12-19 | 2018-06-01 | 中建材中岩科技有限公司 | Test about Bond Strength method under the conditions of the infiltration of coating material pressure |
| CN107894364A (en) * | 2018-01-17 | 2018-04-10 | 兰州理工大学 | A kind of scanning electron microscope home position stretches servicing unit |
| CN109030348A (en) * | 2018-08-14 | 2018-12-18 | 上海市建筑科学研究院 | The test method of steel fibre and slurry adhesion strength in ultra-high performance concrete |
| CN109781619A (en) * | 2019-03-05 | 2019-05-21 | 太原理工大学 | A kind of fixture and detection method detecting fiber cement substrates adhesive property |
| CN109959607A (en) * | 2019-04-30 | 2019-07-02 | 中国水利水电第十二工程局有限公司 | A kind of concrete tension bond strength testing method |
| CN110333184A (en) * | 2019-08-02 | 2019-10-15 | 河南工程学院 | A kind of steel fiber reinforced concrete adhesion strength tension test part and tensile test apparatus |
| CN110736699A (en) * | 2019-09-11 | 2020-01-31 | 临海伟星新型建材有限公司 | Device for testing binding force between plastic part and metal insert and testing method thereof |
| CN110702492A (en) * | 2019-09-20 | 2020-01-17 | 同济大学 | Bidirectional single fiber pulled cement matrix test piece mold and manufacturing and application thereof |
| CN111198155A (en) * | 2020-01-13 | 2020-05-26 | 西南交通大学 | Sample forming device and method for flexible fiber drawing test |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102628790A (en) | Testing device and method for bonding performance of fiber and mortar materials | |
| CN101819135B (en) | Method for measuring bond strength between high-intensity glass fiber rib and concrete | |
| CN111198155B (en) | Sample forming device and method for flexible fiber drawing test | |
| CN202522475U (en) | Steel wire rope breaking force test fixture | |
| CN105486634A (en) | Steel fiber pull-out bond testing system and testing method | |
| CN203148774U (en) | High-temperature tensioning clamp for plate-shaped test sample | |
| CN202614600U (en) | Tensile test clamp for high-performance concrete | |
| CN105806719A (en) | Method for testing interfacial shear strength of microwave cured carbon fiber reinforced resin matrix composite | |
| CN109827839A (en) | Ceramic matric composite inside strands Mechanics Performance Testing device and test method | |
| CN105158069A (en) | Method for measuring tensile strength of whole fiber bundle for cement and concrete | |
| CN205175817U (en) | Tensile compression anchor clamps that change of high low temperature of tensile test machine | |
| CN110530722B (en) | High-ductility cement-based material uniaxial tension die, test piece manufacturing method and test method | |
| CN110553930A (en) | Improved test device and test method for shear performance of composite material base/fiber interface | |
| CN109374406A (en) | A kind of sample and fixture for minor diameter pipe tension test | |
| CN204495702U (en) | The proving installation of adhesive property is extracted from cement-based material for checking single fiber | |
| CN105928800A (en) | Device and method for testing interfacial shear strength of fiber reinforced thermosetting resin composite materials | |
| CN203965215U (en) | Surrounding reinforcing bar built-in type drawing die | |
| CN104913975B (en) | Biaxial tension test testpieces of ribbon matrix fibre bundle and preparation method thereof | |
| CN204374052U (en) | A kind of fibres bond performance proving installation being applicable to common tension tester | |
| CN106289977B (en) | Bolt concrete tensile test device and test method | |
| CN208239279U (en) | Mortar tensile bond strength detecting tool and mortar tensile bond strength detection device | |
| CN111398035A (en) | Clamp and method for testing tensile strength of three-dimensional woven composite material | |
| CN104111199A (en) | Method and device for testing heat-resistant property of hot-melt adhesive | |
| CN104568744B (en) | A kind of fibres bond performance test device suitable for common tensile testing machine | |
| CN110702492B (en) | Bidirectional single fiber pulled cement matrix test piece mold and manufacturing and application thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120808 |