CN104897448A - Concrete die aiming at single-face salt freezing experimental development - Google Patents
Concrete die aiming at single-face salt freezing experimental development Download PDFInfo
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- CN104897448A CN104897448A CN201510312714.0A CN201510312714A CN104897448A CN 104897448 A CN104897448 A CN 104897448A CN 201510312714 A CN201510312714 A CN 201510312714A CN 104897448 A CN104897448 A CN 104897448A
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Abstract
The invention provides a concrete die aiming at single-face salt freezing experimental development, comprising a standard die with specification of 150*150*150mm<3>, a middle clapboard, a bottom support and a connecting rod, wherein the middle clapboard, the bottom support and the connecting rod are all made from organic glass material. The concrete die can quickly, economically and quickly perform making and dismounting of a test piece, and can perform filling of two mixing ratios, and die stripping is relatively convenient and quick, thus providing relatively convenient and economical test conditions for research on the durability of concrete.
Description
Technical field
The present invention relates to a kind of concrete mold, particularly relate to a kind of concrete mold freezing experimental development for one side salt.
Background technology
In recent years along with high-strength concrete is in the application of some special buildings, high-strength concrete each side Quality Research is also received publicity more.At present, the size of the test specimen required for high-strength concrete one side freezing-thawing test is special, and concrete strength is soon shaping, and demoulding difficulty, makes bearing test specimen process waste time and energy.
Destroy very serious by freeze injury at cold district, road surface, bridge, ocean platform and high-rise, freeze injury of concrete is undoubtedly one of main reason of road and bridge premature failure.The northern area of China, the great Northwest of the China particularly built all is being in lower temperature environment winter.Cooling Tower Wall etc. as the bridge of Delingha-sky shuttle, Heilongjiang Province's Suihua highway and Xizhimen, Beijing viaduct, generating plant, Tongliao all suffers freeze-thaw damage face and the phenomenon such as abrasion, hollowing occurs.And deicer salts more can cause seriously degrading and Direction about Corrosion of Bridge Reinforcements of concrete road surface, the concrete therefore with deicer-scaling resistance destruction has very high practical value.
1986,16 country's compositions technical specialist's group on the ground such as North America, Europe, Asia, careful and comprehensive field investigation, analysis and test have been carried out to about 800,000 road and bridges of these countries, result is paid: at cold district, and the deicer-scaling that particularly deicer salts or saline environment cause destroys and steel bar corrosion destroys the main reason being bridge destruction or losing efficacy.Also be the xoncrete structure most thorny issue to the control of this kind of destruction with repairing, every year 21.1% of the actual total value of each national bridge is reached for the maintenance of these bridges, the average cost of retrofit and reinforcement, visible freeze injury of concrete serious, process values is complicated, coverage is wide.But the test method weighing concrete frost resistance in each area in the world is really diversified, and this just causes the difference of test findings, reduces the accuracy to concrete assessment, has great significance so one side salt freezes test to concrete durability.
Summary of the invention
The object of the invention is in order to freeze for one side salt test there is no fixed mould and mould more expensive, need the feature that test specimen amount is large, a kind of economy, convenience and be easy to the concrete mold freezing experimental development for one side salt of the demoulding are proposed.
The object of the present invention is achieved like this: comprise 150 × 150 × 150mm
3standard Module, at described 150 × 150 × 150mm
3the bottom of Standard Module is provided with bottom support bracket, the centre position of bottom support bracket is provided with central dividing plate, and the junction of described central dividing plate and bottom support bracket is provided with aperture, connection roll is installed in aperture and inlays, and described central dividing plate and bottom support bracket are arranged vertically.
The present invention also comprises some architectural features like this:
1. the material of bottom support bracket described in and central dividing plate is organic glass, and the material of connection roll is organic glass or engineering plastics or nylon.
2. described in, the thickness of central dividing plate is 9-11mm.
3. 150 × 150 × 150mm described in
3the material of Standard Module is plastics.
Compared with prior art, the invention has the beneficial effects as follows: the concrete mould lamps structure that the present invention proposes to freeze for one side salt exploitation can not only freeze the various advantages of mould for inheriting tradition common one side salt comprehensively, compared with freezing mould with the common one side salt of tradition, the present invention also possesses other considerable advantages: freeze the required test specimen amount of test greatly for one side salt, the present invention only need at 150 × 150 × 150mm
3standard Module basis in the middle of add dividing plate, simultaneously can shaping twice test specimen and when shocking, dividing plate can not run-off the straight, the layout of mould is more reasonable, and the test specimen of two kinds of match ratios can be poured in both sides simultaneously, the die needed special and feature that price is more expensive of test is frozen for one side salt, the present invention makes few modifications on the basis of original common die, economical, material benefit, to slowly shaping in concrete sample manufacturing process, the factors such as the stand-by period is long are improved, accelerate the speed of experiment, improve the efficiency of experiment, when carrying out the demoulding, central dividing plate is only needed to extract out from upper vertical, being separated of test specimen and mould can be realized, the use amount of release agent can be reduced simultaneously, and then reduce release agent to the impact of strength of concrete specimen, also the present invention is namely used to carry out the intensity that can not affect concrete sample when concrete single-sided salt freezes experiment, concrete permanance is improved, carrying out one side salt to concrete sample, to freeze the accuracy rate of experiment high.
Accompanying drawing explanation
Fig. 1 is one-piece construction schematic diagram of the present invention;
Fig. 2 is the structural representation after removal mould of the present invention.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the present invention is described in further detail.
Composition graphs 1 and Fig. 2, the present invention relates to the mould about sample dimensions exploitation needed for one side freezing-thawing test, especially be applied to for high-strength concrete Quality Research, because one side salt freezes dimensional requirement stricter in process of the test, when form removal due to high-strength concrete 24 as a child in intensity rise fast, the demoulding is not easy when form removal, so the one side freeze thawing mould of 70 × 110 × 150mm3 based on common 150 × 150 × 150mm3 mould development, more concrete sample can be obtained more fast, easily.And this mould has more economical, permanance and convenience.
The invention discloses and a kind of freeze test and mold developing for one side salt, more convenient, economical, to carry out test specimen efficiently bearing and tearing open is filled out, and comprising 2 parts forms, and comprises 150 × 150 × 150mm of standard
3mould 1 with central dividing plate 2, bottom support bracket 3 be connected rod 4-1 and 4-2, wherein central dividing plate 2, bottom support bracket 3 and be connected rod 4-1 and 4-2 and be pmma material, the material of connection roll can also be engineering plastics or nylon, wherein central dividing plate and bottom support bracket junction are drilled with aperture, centre is inlayed by connection roll, and connection roll is connected with bottom support bracket through central dividing plate.Central dividing plate of the present invention can carry out the specimen molding of two match ratios simultaneously, also can realize the filling simultaneously carrying out two kinds of match ratios, and form removal is more convenient, quick, can make the test specimen that one side salt freezes test in a large number simultaneously, more economical, convenient.Also namely the present invention arrange central dividing plate can produce the test specimen that one side salt freezes test in a large number, and more convenient form removal and there is certain economy.More convenient, economic test condition is provided for studying concrete permanance research.
The present invention is directed to one side salt and freeze the one of pilot development based on 150 × 150 × 150mm
3improvement mould, bring convenience for one side salt freezes test, and have more economy, based on 150 × 150 × 150mm
3the principal character of improvement mould as follows:
Freeze an improvement mould for test for one side salt, comprise the bearing of the middle dividing plate of mould and bottom; Described dividing plate and bottom support bracket material are organic glass.Be drilled with bottom dividing plate both sides and between bottom support bracket and run through aperture, carry out inlaying being used for fixing with the organic glass rod of same material.
Described concrete mold is except basic 150 × 150 × 150
3shell adopts plastic material, and the dividing plate in the middle of it all adopts pmma material with the rod inlayed that base is connected in addition.
After form removal, it is 70 × 110 × 150mm that one side salt freezes required sample dimensions
3, we need to cut institute's delivery tool according to standard size, reach the standard size that one side salt freezes test.
The present invention is made up of two parts, and be respectively overall die trial and middle spacer assembly, described die trial adopts and is of a size of 150 × 150 × 150mm
3, described intermediate isolating device.
The one side salt of its Plays freezes required sample dimensions and allows thickness to be 70 ± 2mm, so central dividing plate thickness can be 10 ± 1mm.
Claims (5)
1. freeze a concrete mold for experimental development for one side salt, comprise 150 × 150 × 150mm
3standard Module, is characterized in that: at described 150 × 150 × 150mm
3the bottom of Standard Module is provided with bottom support bracket, the centre position of bottom support bracket is provided with central dividing plate, and the junction of described central dividing plate and bottom support bracket is provided with aperture, connection roll is installed in aperture and inlays, and described central dividing plate and bottom support bracket are arranged vertically.
2. a kind of concrete mold freezing experimental development for one side salt according to claim 1, is characterized in that: the material of described bottom support bracket and central dividing plate is organic glass, and the material of connection roll is organic glass or engineering plastics or nylon.
3. a kind of concrete mold freezing experimental development for one side salt according to claim 1 and 2, is characterized in that: the thickness of described central dividing plate is 9-11mm.
4. a kind of concrete mold freezing experimental development for one side salt according to claim 1 and 2, is characterized in that: described 150 × 150 × 150mm
3the material of Standard Module is plastics.
5. a kind of concrete mold freezing experimental development for one side salt according to claim 3, is characterized in that: described 150 × 150 × 150mm
3the material of Standard Module is plastics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510312714.0A CN104897448A (en) | 2015-06-09 | 2015-06-09 | Concrete die aiming at single-face salt freezing experimental development |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510312714.0A CN104897448A (en) | 2015-06-09 | 2015-06-09 | Concrete die aiming at single-face salt freezing experimental development |
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| CN104897448A true CN104897448A (en) | 2015-09-09 |
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| CN201510312714.0A Pending CN104897448A (en) | 2015-06-09 | 2015-06-09 | Concrete die aiming at single-face salt freezing experimental development |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110509409A (en) * | 2019-08-21 | 2019-11-29 | 华北水利水电大学 | A kind of cement-based material single side salt jelly method test mould |
| CN114166587A (en) * | 2021-07-12 | 2022-03-11 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | Ballastless track cast-in-place concrete frost resistance forming device and testing method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201483635U (en) * | 2009-05-22 | 2010-05-26 | 中冶京唐建设有限公司 | Glass fiber reinforced plastic concrete test die |
| CN202062495U (en) * | 2011-05-25 | 2011-12-07 | 中冶建工集团有限公司 | Template capable of producing precast concrete slabs with multiple specifications |
| CN202318533U (en) * | 2011-11-30 | 2012-07-11 | 成都市市政工程（集团）有限责任公司 | Concrete test die convenient for demoulding |
| CN104354221A (en) * | 2014-11-30 | 2015-02-18 | 江苏金贸科技发展有限公司 | Cement tensile test mold convenient for demolding |
| CN204679323U (en) * | 2015-06-09 | 2015-09-30 | 哈尔滨工程大学 | A kind of concrete mold freezing experimental development for one side salt |
-
2015
- 2015-06-09 CN CN201510312714.0A patent/CN104897448A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201483635U (en) * | 2009-05-22 | 2010-05-26 | 中冶京唐建设有限公司 | Glass fiber reinforced plastic concrete test die |
| CN202062495U (en) * | 2011-05-25 | 2011-12-07 | 中冶建工集团有限公司 | Template capable of producing precast concrete slabs with multiple specifications |
| CN202318533U (en) * | 2011-11-30 | 2012-07-11 | 成都市市政工程（集团）有限责任公司 | Concrete test die convenient for demoulding |
| CN104354221A (en) * | 2014-11-30 | 2015-02-18 | 江苏金贸科技发展有限公司 | Cement tensile test mold convenient for demolding |
| CN204679323U (en) * | 2015-06-09 | 2015-09-30 | 哈尔滨工程大学 | A kind of concrete mold freezing experimental development for one side salt |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110509409A (en) * | 2019-08-21 | 2019-11-29 | 华北水利水电大学 | A kind of cement-based material single side salt jelly method test mould |
| CN114166587A (en) * | 2021-07-12 | 2022-03-11 | 中国铁道科学研究院集团有限公司铁道建筑研究所 | Ballastless track cast-in-place concrete frost resistance forming device and testing method |
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Application publication date: 20150909 |
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