CN201096711Y - Device for testing interface adhesive intensity between rubber material and cement stone - Google Patents
Device for testing interface adhesive intensity between rubber material and cement stone Download PDFInfo
- Publication number
- CN201096711Y CN201096711Y CNU2007201900864U CN200720190086U CN201096711Y CN 201096711 Y CN201096711 Y CN 201096711Y CN U2007201900864 U CNU2007201900864 U CN U2007201900864U CN 200720190086 U CN200720190086 U CN 200720190086U CN 201096711 Y CN201096711 Y CN 201096711Y
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- Prior art keywords
- concrete
- rubber
- interface
- cement
- cone
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 229920001971 elastomer Polymers 0.000 title claims abstract description 64
- 239000005060 rubber Substances 0.000 title claims abstract description 64
- 239000004568 cement Substances 0.000 title claims abstract description 34
- 239000000463 material Substances 0.000 title claims abstract description 7
- 238000012360 testing method Methods 0.000 title abstract description 17
- 239000004575 stone Substances 0.000 title abstract description 14
- 230000001070 adhesive effect Effects 0.000 title description 5
- 239000000853 adhesive Substances 0.000 title 1
- 239000004567 concrete Substances 0.000 claims abstract description 33
- 239000003795 chemical substances by application Substances 0.000 abstract description 7
- 229920002209 Crumb rubber Polymers 0.000 abstract 5
- 239000007822 coupling agent Substances 0.000 description 11
- 238000000034 method Methods 0.000 description 9
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 239000002002 slurry Substances 0.000 description 5
- 239000000758 substrate Substances 0.000 description 5
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 3
- KPUWHANPEXNPJT-UHFFFAOYSA-N disiloxane Chemical class [SiH3]O[SiH3] KPUWHANPEXNPJT-UHFFFAOYSA-N 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 244000137852 Petrea volubilis Species 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000003776 cleavage reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229920006332 epoxy adhesive Polymers 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 230000007017 scission Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000012956 testing procedure Methods 0.000 description 1
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model relates to a device for testing bond strength of interface between crumb rubber and cement stone, belonging to a technical field of architectural material test, the prior device uses compressive strength and splitting strength to evaluate the bond strength of interface between the crumb rubber and the cement stone, but actually only integral performance of crumb rubber concrete is reflected. The device adopts cone-shaped rubber block 1 with the same material as the crumb rubber in the concrete, a pull ring 2 is arranged fixedly on big-diameter surface of the cone-shaped rubber block 1, the pull ring 2 is connected with a tray 4 at the other end by a fixed pulley 3, a weight 5 is placed on the tray 4, different interface treatment agent is spread on the small-diameter surface of the cone-shaped rubber block, moreover the small-diameter surface is buried into the fresh cement concrete, when reaching specified test ages, weights are added in the tray until the cone-shaped rubber block is separated from the surface of the cement concrete completely. The test device can reflect the bond performance of interface between the crumb rubber and the cement stone simply, rapidly and accurately.
Description
Technical field
The utility model belongs to the building materials technical field of measurement and test.Be the device of a kind of testing rubber aggregate and cement stone interface binding intensity specifically, test result can reflect the interface binding intensity between the rubber grain and cement stone substrate in the rubber aggregate concrete exactly.
Background technology
Junked tire is broken into the rubber grain admixture prepares the rubber aggregate concrete in cement concrete, it has advantages such as good toughness, shock resistance, damping antidetonation, light thermal-insulation, noise reduction sound insulation, air-and water-permeable.But the concrete intensity of rubber aggregate is lower, having limited its engineering to a certain extent uses, the important method that improves this kind concrete strength at present is exactly that rubber aggregate carries out surface preparation before mixing concrete, improve the interface binding intensity between rubber aggregate-cement concrete matrix, and then improve the concrete entire compression intensity of rubber aggregate.But up to the present the interface binding intensity for rubber aggregate and cement stone substrate does not also have the measuring method of science can measure and reflect its adhesive property well.
The measuring method that generally adopts is to estimate the cohesive strength of rubber aggregate and cement stone interface with compressive strength and cleavage strength at present, but in fact just reflected the overall performance of rubber aggregate concrete itself, and can not reflect the adhesive property at rubber aggregate and cement stone substrate interface well.In addition, because the interfacial adhesion of rubber aggregate and cement stone substrate is less, if measure the cohesive strength of rubber aggregate sand-cement slurry with traditional puller system, error is very big and degree of accuracy is very low.Therefore, a kind of method of measuring rubber aggregate and hardened cement stone substrate interface binding intensity of utility model is measured and reflects the adhesive property of rubber aggregate and cement interface then to help applying of rubber aggregate concrete technology exactly.
The utility model content
The purpose of this utility model is to simulate the residing genuine interface bonding of rubber aggregate environmental baseline in the rubber aggregate concrete, the method of a kind of testing rubber aggregate and cement stone interface binding intensity is provided, this experimental technique has been avoided the error of classic method, can simple and fast, measure its cohesive strength exactly, can reflect the adhesive property of rubber aggregate and cement stone interface well.
The utility model provides a kind of device of measuring rubber aggregate and cement interface cohesive strength, it is characterized in that: adopt and the identical truncated cone-shaped block rubber 1 of rubber aggregate material in the concrete, on the major diameter surface of truncated cone-shaped block rubber 1, fix a draw ring 2, by the pallet 4 of the fixed pulley 3 connection other ends, on pallet 4, put into counterweight 5.
Use method of the present utility model: at first process truncated cone-shaped block rubber 1, require it identical with rubber aggregate material in the concrete, can smear interface treating agent to be measured 6 in the minor diameter bottom surface of truncated cone-shaped block rubber 1, then the minor diameter bottom surface is aimed at fresh concrete 7 and imbedded certain depth, length of embedment should surpass cement concrete 7 upper surface laitance layers.After arriving certain length of time, connect another pallet 4 by fixed pulley 3, in pallet 4, add counterweight 5, till truncated cone-shaped block rubber 1 breaks away from cement concrete 7 matrixes, measure the interface binding intensity of rubber aggregate and cement concrete collective with this pulling force.
Concrete testing procedure is as follows:
1, processes truncated cone-shaped block rubber 1, require it identical, on the major diameter surface of truncated cone-shaped block rubber 1, fix a draw ring 2 with rubber aggregate material in the concrete;
2, polish with sand paper in the minor diameter surface and the side of truncated cone-shaped block rubber 1, the NaOH solution with 1% cleans the effect of removing the rubber surface greasy dirt to reach.Interface treating agent to be tested 6 is smeared on minor diameter surface at truncated cone-shaped block rubber 1, also can be left intact;
3, with the minor diameter surface of the truncated cone-shaped block rubber 1 handled well downwards, imbed and newly mix in sand-cement slurry or the concrete seven, length of embedment should surpass the upper surface laitance layer of cement concrete 7;
4, after the length of time is tested in arrival, connect adding counterweight draw ring 2 and pallet 4 in the truncated cone-shaped block rubber 1 major diameter surface 4 by fixed pulley 3, at pallet 5, till truncated cone-shaped block rubber 1 is pulled out from sand-cement slurry or concrete seven, read the accumulated quantity of counterweight 5 in the pallet 4 then, calculate the interface binding intensity between truncated cone-shaped block rubber 1 and sand-cement slurry or the concrete seven matrix at last.
Description of drawings:
Fig. 1 is for measuring the test unit synoptic diagram of rubber aggregate and cement interface cohesive strength
Wherein 1 is that truncated cone-shaped block rubber, 2 is that draw ring, 3 is that fixed pulley, 4 is that pallet, 5 is that counterweight, 6 is that interface treating agent, 7 is sand-cement slurry or concrete.
Embodiment
Improve the cement concrete matrix in order to test different rubber interface agent---the effect of interface binding intensity between the rubber aggregate, chosen three kinds of different interface treating agents in the test: titanate coupling agent, cinnamic acrylic ester-organo-silicon coupling agent multipolymer, siloxane coupling agent, and test according to following steps in conjunction with the accompanying drawings.
1, makes 4 truncated cone-shaped block rubbers 1, the diameter on minor diameter surface is 6cm, the diameter on major diameter surface is 10cm, with epoxy adhesive at the major diameter of truncated cone-shaped block rubber 1 surface fixed pull ring 2, use the minor diameter surface and the side of sand papering truncated cone-shaped block rubber 1 again, clean minor diameter surface and side with the 1%NaOH aqueous solution, smear above-mentioned three kinds of coupling agents 6 on the minor diameter surface of three truncated cone-shaped block rubbers 1 respectively;
2, the truncated cone-shaped block rubber 1 that 1 blank truncated cone- shaped block rubber 1 and 3 were smeared coupling agent 6 is imbedded respectively and is newly mixed in the cement concrete 7, about the about 1cm of length of embedment, has surpassed concrete seven surface laitance layer.
3, maintenance connected truncated cone-shaped block rubber 1 major diameter surface draw ring 2 and pallet 4 by fixed pulley 3 after 3 days, and put into the counterweight 5 of some in pallet 4, pulled out up to truncated cone-shaped block rubber 1 till the surface of cement concrete 7, write down different pulling force data.
4, calculate cohesive strength
The minor diameter surface area S=3.14 * 32=28.26cm of truncated cone-shaped block rubber
2Weight is G0=244g, the pulling force that the pulling force that the pulling force of smearing titanate coupling agent is G=2730g, smear cinnamic acrylic ester-organo-silicon coupling agent multipolymer is G=3450g, smear the siloxane coupling agent is G=1820g, and the pulling force of blank test specimen is G=1640g.
The cohesive force computing formula is F=G-G0) * g,
Cohesive strength is
Test result is as shown in table 1.
3 days cohesive strengths of the different interface treating agents of table 1
| The test grouping | Different interface treating agents | Cohesive strength/Pa |
| 1 | Blank | 4841 |
| 2 | Titanate coupling agent | 8627 |
| 3 | Cinnamic acrylic ester-organo-silicon coupling agent multipolymer | 11118 |
| 4 | The siloxane coupling agent | 5465 |
Claims (1)
1, a kind of device of measuring rubber aggregate and cement interface cohesive strength, it is characterized in that: adopt and the identical truncated cone-shaped block rubber (1) of rubber aggregate material in the concrete, on the major diameter surface of truncated cone-shaped block rubber (1), fix a draw ring (2), by the pallet (4) of fixed pulley (3) the connection other end, on pallet (4), put into counterweight (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201900864U CN201096711Y (en) | 2007-11-09 | 2007-11-09 | Device for testing interface adhesive intensity between rubber material and cement stone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201900864U CN201096711Y (en) | 2007-11-09 | 2007-11-09 | Device for testing interface adhesive intensity between rubber material and cement stone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201096711Y true CN201096711Y (en) | 2008-08-06 |
Family
ID=39923764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201900864U Expired - Fee Related CN201096711Y (en) | 2007-11-09 | 2007-11-09 | Device for testing interface adhesive intensity between rubber material and cement stone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201096711Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107677596A (en) * | 2017-09-30 | 2018-02-09 | 华北水利水电大学 | The method of indoor test rock and concrete binding interface tensile strength |
| CN114354486A (en) * | 2022-01-06 | 2022-04-15 | 江苏科技大学 | Device and method for testing bonding performance of geomembrane |
-
2007
- 2007-11-09 CN CNU2007201900864U patent/CN201096711Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107677596A (en) * | 2017-09-30 | 2018-02-09 | 华北水利水电大学 | The method of indoor test rock and concrete binding interface tensile strength |
| CN107677596B (en) * | 2017-09-30 | 2018-12-28 | 华北水利水电大学 | The method of indoor test rock and concrete binding interface tensile strength |
| CN114354486A (en) * | 2022-01-06 | 2022-04-15 | 江苏科技大学 | Device and method for testing bonding performance of geomembrane |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080806 Termination date: 20101109 |