CN104310843A - Clay-resistant concrete function additive and preparation method thereof - Google Patents
Clay-resistant concrete function additive and preparation method thereof Download PDFInfo
- Publication number
- CN104310843A CN104310843A CN201410505225.2A CN201410505225A CN104310843A CN 104310843 A CN104310843 A CN 104310843A CN 201410505225 A CN201410505225 A CN 201410505225A CN 104310843 A CN104310843 A CN 104310843A
- Authority
- CN
- China
- Prior art keywords
- concrete
- admixture
- concrete function
- soil type
- clay
- 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.)
- Granted
Links
Landscapes
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses a clay-resistant concrete function additive and a preparation method thereof and belongs to the field of concrete additives. The additive is prepared by mixing and grinding the following components in percentage by weight: 35-55% of lime, 15-25% of ferrous sulfate, 10-20% of sodium metasilicate, 5-15% of a polycarboxylate-type water reducer mother liquid and 0.1-5% of a cationic surface active agent. During use, the additive which is 1-1.5% of the use level of cementing materials is mixed with a gravel material with the clay content of about 10% in concrete, a part of water and the like firstly, and cementing materials such as cement coal ash, mineral powder and the like, a water reducer and residual water are further added to obtain high performance concrete, wherein the extended degree is over 600mm, the slump degree time is 5-10 seconds, the workability of concrete after 1 hour is still extremely good and the compressive strength within 28 days is qualified. According to the additive, the use level of cement is reduced by over 20%, so that the problem that the silt content in the polycarboxylate-type water reducer and the concrete material is great is solved. The additive has a wide application prospect.
Description
Technical field
The present invention relates to concrete admixture field, particularly relate to a kind of for poly carboxylic acid series water reducer is for the chips concrete of high claystone powder content machine-made sand concrete, high silt content natural sand concrete, complicated component and regeneration concrete etc., anti-stick soil type concrete function admixture making concrete high-performance and preparation method thereof.
Background technology
Clay minerals has extreme influence to concrete performance, first clay minerals easily absorbs water generation volumetric expansion, concrete flowability or slump-loss are accelerated, there is slurry quantity not sufficient in concrete, seem the problem such as very dry and astringent, high further to the specification of quality of admixture, consequently the consumption of water reducer increases and controls concrete slump loss requirement raising; Secondly, water cement ratio required when identical concrete mix condition is issued to identical workability increases, cause easily emanating after concrete depositing, bleeding, there is sedimentation shrinkage cracking in maturing, intensity significantly reduces, simultaneously because concrete structure interfacial adhesion loosens, hydrophilic pore structure is more, Young's modulus diminishes, and wears no resistance, water, carbonic acid gas and Cl, SO
4 2-be easy to infiltration intrusion Deng hazardous medium, cause large, the anti-carbonization of the long-term drying shrinkage of concrete, impermeability and anti-seawater corrosion ability, concrete overall endurance quality is damaged.A large amount of clay minerals is had in concrete, main source comprises stone flour or earth etc. in cement, mineral admixture, sandstone, clay mineral quantity in concrete is larger, directly has influence on the mechanical property of concrete batching system mobility, job stability and maturing, volume stability and endurance quality more serious.In a word, clay causes the problem of concrete performance cracking to be the difficult problem that must solve of current concrete high-performance.
For solving concrete CLAY MINERALS AND THEIR SIGNIFICANCE problem is affected on concrete performance, there are many Chinese patents openly mainly by changing the molecular structure of polycarboxylate water-reducer, it is made to be unfavorable for by consumption of bentonite, patent CN102875051A, CN102643395A, CN10292389A, CN103693885A etc. all have the effect of certain anti-mud of anti-stick soil, can reduce concrete or mortar to the raw-material susceptibility of high silt content sandstone.In addition, some are also had to be reduce wilkinite to the consumption of polycarboxylate water-reducer by composite dissimilar auxiliary agent as sacrifice agent or screener, adopt natural zeolite to adsorb a large amount of polycarboxylate water-reducers as sustained release dosage as CN101798197A and reduce the impact of clay, and being adsorbed onto the rate of release of the polycarboxylate water-reducer in zeolite and effect is cannot be guaranteed, the initial dispersion performance of polycarboxylate water-reducer also can not get playing simultaneously.Above-mentioned patent great majority too suppress clay-activity or the anti-stick soil of excessive use sacrifice agent by changing admixture, in fact also impact is had to the activity of other cement based powder, concrete workability is resolved, but concrete strength reduces, and final effect is unsatisfactory.
Summary of the invention
Based on the deficiency existing for above-mentioned prior art, it is excessive that the embodiment of the present invention provides one effectively can solve silt content in poly carboxylic acid series water reducer and concrete material, anti-stick soil type concrete function admixture realizing concrete high performance and preparation method thereof.
For solving the problems of the technologies described above, embodiment of the present invention provides a kind of anti-stick soil type concrete function admixture, and this admixture following each component mixed grinding by weight percentage forms, and each component comprises:
Embodiment of the present invention also provides a kind of preparation method of above-mentioned anti-stick soil type concrete function admixture, comprising:
Get each component of the described admixture of composition, in shredder, make each component fully mix described each component, grind to form powder or lotion is this admixture.
Beneficial effect of the present invention is: admixture of the present invention makes full use of the characteristic of clay mineral, lime is utilized to meet the characteristic of very easily emulsification after water, clay aquation in concrete is provided to become the necessary calcium hydroxide of hydraulic calcium silicate gelling material, it also plays fine powder filling effect together with the finely-powdered minerals such as clay, increase concrete density, physical action had both been produced to clay and has also produced chemical action; Ferrous sulfate has better water-soluble than gypsum, provide in the solution and promote the sulfate radical that reacts with aluminum oxide and ferrous ion, generating the hydrated product of similar ettringite, aquation calcium aluminoferrite; Add Starso crystal water-soluble after be wrapped in clay particle surface as sodium silicate gel absorption, the adsorption that clay is excessive can be suppressed, simultaneously the silicon-dioxide of colloidal sol shape also very easily with the calcium hydroxide reaction added, there is inducing action to exciting clay-activity; Add poly carboxylic acid series water reducer mother liquor easily react with white lime and be transformed into the slower poly carboxylic acid calcium salt water reducer of dissolution rate, play and disperse guarantor's effect of collapsing preferably; Add cats product, selectivity can be preferentially adsorbed on clay particle surface, the water-swelling of clay particle and the absorption to poly carboxylic acid series water reducer can be suppressed preferably.The admixture of the embodiment of the present invention is not the absorption and the water absorption behavior that suppress clay, but by mixing other inorganic materials simultaneously, dredge the silico-aluminate characteristic utilizing nanoclay particle, the unfavorable factor of clay is converted into the positive factor being conducive to concrete performance development, thus improves concrete over-all properties comprehensively.
Embodiment
Be clearly and completely described the technical scheme in the embodiment of the present invention below, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on embodiments of the invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to protection scope of the present invention.
The embodiment of the present invention provides a kind of anti-stick soil type concrete function admixture, and this admixture is formed by following each component mixed grinding by weight percentage, and each component comprises:
In above-mentioned admixture, lime is selected from: unslaked lime, white lime, lime putty; Ferrous sulfate comprises at least one in anhydrous slufuric acid ferrous iron, 7 aqueous ferrous sulfates, copperas solution; Starso is selected from: at least one in zero water sodium metasilicate, metasilicate pentahydrate sodium, non-hydrate sodium metasilicate, water glass colloidal sol, water glass etc.; Poly carboxylic acid series water reducer mother liquor comprises at least one in the mother liquors such as high water reducing type poly carboxylic acid series water reducer mother liquor, high collapse protection type poly carboxylic acid series water reducer mother liquor, polycarboxylic acid series slump retaining agent mother liquor; Cats product is selected from: any one in palmityl trimethyl ammonium chloride, lauryl ammonium chloride, octadecyl ammonium chloride, brometo de amonio.
The preparation method of above-mentioned anti-stick soil type concrete function admixture, comprises the following steps:
By above-mentioned with measuring each component of admixture; Each component made each component fully mix in the shredder of alloy material, grinding to form fineness is 50 ~ 100 object powder body materials, and this powder body material is anti-stick soil type concrete function admixture.
The admixture of the embodiment of the present invention passes through unslaked lime, ferrous sulfate, Starso, the materials such as poly carboxylic acid series water reducer mother liquor are mixed in proportion and are milled into a kind of powder or lotion, the high content stone powder machine-made sand concrete of poly carboxylic acid series water reducer is mixed in preparation, high silt content natural sand concrete, when chips concrete and regeneration concrete etc., this admixture is calculated with solids content, mix 1 ~ 1.5% of gel material content, after the sand material larger with clay amount in concrete and part water etc. stir in advance, add the consolidating material such as cement, flyash and breeze and water reducer and residue water again, more than concrete divergence 600mm can be obtained, the time of falling the slump is no more than 5 ~ 10 seconds, 1 as a child workability of concrete was still fabulous, the high performance concrete that 28 days ultimate compression strength is qualified, within general 28 days, ultimate compression strength improves 5 ~ 10MPa, this admixture can use cement more than 20% less, silt content problems of too in effective solution poly carboxylic acid series water reducer and concrete material, achieve concrete high performance, it is a kind of functional type admixture with broad prospect of application, there is very high engineer applied be worth.
Admixture of the present invention makes full use of the characteristic of clay mineral, and because clay is the plastic silico-aluminate of particle very little (being generally less than 0.01 millimeter), its composition is also mainly silicon oxide and aluminum oxide, has the lateral reactivity of similar cement.The existing physical action of the impact of lime on clay also has chemical action, mix levigate white lime, very easily emulsification after its chance water, clay aquation in concrete not only can be provided to become the necessary calcium hydroxide of hydraulic calcium silicate gelling material, it also plays fine powder filling effect together with the finely-powdered minerals such as clay, increases concrete density.Ferrous sulfate has better water-soluble than gypsum, provide in the solution and promote the sulfate radical that reacts with aluminum oxide and ferrous ion, generating the hydrated product of similar ettringite, aquation calcium aluminoferrite; Add Starso crystal water-soluble after be wrapped in clay particle surface as sodium silicate gel absorption, the adsorption that clay is excessive can be suppressed, simultaneously the silicon-dioxide of colloidal sol shape also very easily with the calcium hydroxide reaction added, there is inducing action to exciting clay-activity; Add poly carboxylic acid series water reducer mother liquor easily react with white lime and be transformed into the slower poly carboxylic acid calcium salt water reducer of dissolution rate, play and disperse guarantor's effect of collapsing preferably; Add cats product (as palmityl trimethyl ammonium chloride, lauryl ammonium chloride, octadecyl ammonium chloride or brometo de amonio), selectivity can be preferentially adsorbed on clay particle surface, the water-swelling of clay particle and the absorption to poly carboxylic acid series water reducer can be suppressed preferably.The admixture of the embodiment of the present invention is not the absorption and the water absorption behavior that are forced through this admixture suppression clay, but by mixing other inorganic materials simultaneously, dredge the silico-aluminate characteristic utilizing nanoclay particle, the unfavorable factor of clay is converted into the positive factor being conducive to concrete performance development, thus improves concrete over-all properties comprehensively.
Below in conjunction with specific embodiment, admixture of the present invention is further described.
Embodiment one
The present embodiment provides a kind of anti-stick soil type concrete function admixture, and this admixture comprises following each component by weight: 2Kg caustic lime block, 1Kg anhydrous slufuric acid ferrous iron, 0.75Kg anhydrous sodium metasilicate, 0.5Kg mass concentration are the palmityl trimethyl ammonium chloride of 40% water reducing type BTC-100 poly carboxylic acid series water reducer and 0.1Kg;
Its preparation method is: with 50 cubic centimetres of ball mills, be that the palmityl trimethyl ammonium chloride of 40% water reducing type BTC-100 poly carboxylic acid series water reducer and 0.1Kg adds in mill successively by 2Kg caustic lime block, 1Kg anhydrous slufuric acid ferrous iron, 0.75Kg anhydrous sodium metasilicate, 0.5Kg mass concentration, grinding was all poured out after 5 minutes, obtained the anti-stick soil type concrete function admixture of the present embodiment.For subsequent contrast tests use, by this functional type admixture called after BTC-750.
Embodiment two
The present embodiment provides a kind of anti-stick soil type concrete function admixture, and this admixture comprises following each component by weight: 2Kg caustic lime block, 1Kg iron vitriol, 0.75Kg metasilicate pentahydrate sodium, 0.5Kg mass concentration be 50% guarantor to collapse the palmityl trimethyl ammonium chloride of water reducing type BTC-200 poly carboxylic acid series water reducer and 0.1Kg;
Its preparation method is: with 50 cubic centimetres of ball mills, by 2Kg caustic lime block, 1Kg iron vitriol, 0.75Kg metasilicate pentahydrate sodium, mass concentration be 50% the collapse palmityl trimethyl ammonium chloride of water reducing type BTC-200 poly carboxylic acid series water reducer and 0.1Kg of guarantor add successively in mill, grinding was all poured out after 5 minutes, obtained the anti-stick soil type concrete function admixture of the present embodiment.For subsequent contrast tests use, by this functional type admixture called after BTC-751.
Embodiment three
The present embodiment provides a kind of anti-stick soil type concrete function admixture, and this admixture comprises following each component by weight: 2Kg dry hydrate, 1Kg iron vitriol, 0.75Kg non-hydrate sodium metasilicate, 0.5Kg mass concentration are the BTC-500 polycarboxylic acid series slump retaining agent of 50% and the Dodecyl trimethyl ammonium chloride of 0.1Kg;
Its preparation method is: with 50 cubic centimetres of ball mills, be that the BTC-500 polycarboxylic acid series slump retaining agent of 50% and the Dodecyl trimethyl ammonium chloride of 0.1Kg add in mill successively by 2Kg dry hydrate, 1Kg iron vitriol, 0.75Kg non-hydrate sodium metasilicate, mass concentration, grinding was all poured out after 5 minutes, obtained the anti-stick soil type concrete function admixture of the present embodiment.For subsequent contrast tests use, by this functional type admixture called after BTC-752.
Embodiment four
The present embodiment provides a kind of preparation method of anti-stick soil type concrete function admixture, and this admixture comprises following each component by weight: 10Kg mass concentration be 60% lime putty, 10Kg mass concentration be 25% ferrous sulfate, 2.5Kg mass concentration is 30% silicon sol, 0.5Kg mass concentration is the BTC-500 polycarboxylic acid series slump retaining agent of 50% and the Dodecyl trimethyl ammonium chloride of 0.1Kg;
Its preparation method is: with 50 liter stirred vessels, by 10Kg mass concentration be 60% lime putty, 10Kg mass concentration be 25% ferrous sulfate, 2.5Kg mass concentration is 30% silicon sol, 0.5Kg mass concentration is that the BTC-500 polycarboxylic acid series slump retaining agent of 50% and the Dodecyl trimethyl ammonium chloride of 0.1Kg add successively, and stir 5 minutes, obtain the anti-stick soil type concrete function admixture of the present embodiment paste.For subsequent contrast tests use, by this functional type admixture called after BTC-753.
In the performance comparison experiment of the anti-stick soil type concrete function admixture prepared in the embodiment of the present invention, anti-stick soil type concrete function admixture, comprise the samples such as BTC-750, BTC-751, BTC-752, BTC-753 prepared by the various embodiments described above all to use by the metering of solid active principle, volume is 1.0 ~ 1.5% of binder total amount, general larger with argillaceous quantity sandstone, aggregate chips, regeneration fine powder, part water are equal to be mixed, and preferential stirring more than 1 minute; Pumping agent is 10% concentration compound poly carboxylic acid series water reducer BTC200, and gelling material is Jinyu P.O.42.5 cement, II level flyash, S95 breeze, does concrete further elaboration below to this.
Implementation result is as follows:
(1) for high clay content machine-made sand concrete:
Actual measurement Machine-made Sand silt content 15.0%, stone is 5 ~ 20mm rubble, water reducer BTC-200 volume 2.2%, the functional type admixture BTC-750 volume 1.2% of the embodiment of the present invention, contrast is mixed and is such as shown 1-1 with the C30 concrete match ratio not mixing BTC-750, and corresponding concrete performance the results are shown in Table 1-2.Visible, generally, substantially do not have mobility when functional type admixture BTC-750 do not mixed by concrete, moulding process is a dish loose sand almost, and intensity is very low, and after mixing BTC-750, concrete indices reaches the requirement of high performance concrete.
Table 1-1 height clay content Machine-made Sand C30 concrete mix (Kg)
| Numbering | Cement | Flyash | Breeze | Sand | Stone | Water | BTC-750 | BTC-200 |
| 1 | 175 | 74 | 93 | 880 | 1023 | 175 | 0 | 7.52 |
| 2 | 175 | 74 | 93 | 880 | 1023 | 175 | 4.1 | 7.52 |
Table 1-2 height clay content Machine-made Sand C30 concrete performance
(2) chips concrete is prepared:
The aggregate chips that experiment uses is stone factory's original state aggregate chips, its content of stone powder 18.5%, 0.1 ~ 5.0mm sand content 41.5%, 5 ~ 10mm melon seeds sheet content 35%.Mix the chips concrete proportioning of the BTC-752 of the embodiment of the present invention as table 2-1, corresponding concrete performance test the results are shown in Table 2-2.Visible, containing a large amount of sheet aggregate in aggregate chips, the segregation bleeding problem easily caused, concrete cohesiveness is not enough, and poor fluidity, after mixing BTC-750, concrete cement consumption is lower, and reaches the normal index scope of high performance concrete completely.
Table 2-1 aggregate chips high-performance concrete mix (Kg)
Table 2-2 aggregate chips high performance concrete performance
(3) for composite regenerated fine powder concrete:
Regeneration concrete fine powder is for screening out regeneration aggregate resistates, and equivalent substitution part of cement and sand, mix and such as show 3-1 with the C30 concrete match ratio not mixing BTC-753 functional type admixture, corresponding concrete performance the results are shown in Table 3-2.Visible, regenerate fine powder concrete for mixing with not mixing, the functional type admixture BTC-753 of the embodiment of the present invention has extraordinary stabilization to concrete performance, and concrete indices reaches the requirement of high performance concrete.
The composite regenerated fine powder concrete mix (Kg) of table 3-1
The composite regenerated fine powder concrete performance of table 3-2
The above; be only the present invention's preferably embodiment, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claims.
Claims (8)
1. an anti-stick soil type concrete function admixture, is characterized in that, this admixture following each component mixed grinding by weight percentage forms, and each component comprises:
2. anti-stick soil type concrete function admixture as claimed in claim 1, it is characterized in that, described cats product is selected from: any one in palmityl trimethyl ammonium chloride, lauryl ammonium chloride, octadecyl ammonium chloride, brometo de amonio.
3. anti-stick soil type concrete function admixture as claimed in claim 1 or 2, is characterized in that,
Described lime is selected from: at least one in unslaked lime, white lime, lime putty.
4. anti-stick soil type concrete function admixture as claimed in claim 1 or 2, is characterized in that,
Described ferrous sulfate is selected from: at least one in anhydrous slufuric acid ferrous iron, 7 aqueous ferrous sulfates, copperas solution.
5. anti-stick soil type concrete function admixture as claimed in claim 1 or 2, is characterized in that.
Described Starso is selected from: at least one in zero water sodium metasilicate, metasilicate pentahydrate sodium, non-hydrate sodium metasilicate, water glass colloidal sol, water glass.
6. anti-stick soil type concrete function admixture as claimed in claim 1 or 2, is characterized in that,
Described poly carboxylic acid series water reducer mother liquor is selected from: at least one in high water reducing type poly carboxylic acid series water reducer mother liquor, high collapse protection type poly carboxylic acid series water reducer mother liquor, polycarboxylic acid series slump retaining agent mother liquor.
7. a preparation method for the anti-stick soil type concrete function admixture described in any one of claim 1 to 6, is characterized in that, comprising:
Get each component of the described admixture of composition, in shredder, make each component fully mix described each component, grind to form powder or lotion is this admixture.
8. the preparation method of anti-stick soil type concrete function admixture as claimed in claim 7, is characterized in that, described in grind to form powder fineness be 50 ~ 100 orders.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410505225.2A CN104310843B (en) | 2014-09-26 | 2014-09-26 | Clay-resistant concrete function additive and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410505225.2A CN104310843B (en) | 2014-09-26 | 2014-09-26 | Clay-resistant concrete function additive and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104310843A true CN104310843A (en) | 2015-01-28 |
| CN104310843B CN104310843B (en) | 2017-01-18 |
Family
ID=52366194
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410505225.2A Active CN104310843B (en) | 2014-09-26 | 2014-09-26 | Clay-resistant concrete function additive and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104310843B (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105439493A (en) * | 2015-12-30 | 2016-03-30 | 卓达新材料科技集团威海股份有限公司 | Anti-cracking agent used for ordinary cement-fiber board |
| CN105503063A (en) * | 2015-12-30 | 2016-04-20 | 卓达新材料科技集团威海股份有限公司 | Anti-crack agent used for Portland cement fiberboards |
| CN106517866A (en) * | 2016-11-14 | 2017-03-22 | 安徽瑞和新材料有限公司 | Clay inhibitor capable of improving clay resistance of polycarboxylate superplasticizer and use method of clay inhibitor |
| CN111423151A (en) * | 2020-03-03 | 2020-07-17 | 深圳市三绿科技有限公司 | Concrete cementing material regulator and preparation method thereof |
| CN111423149A (en) * | 2020-03-03 | 2020-07-17 | 深圳市三绿科技有限公司 | Concrete aggregate regulator and preparation process thereof |
| CN111423154A (en) * | 2020-03-03 | 2020-07-17 | 深圳市三绿科技有限公司 | Concrete glue reducing agent and preparation method thereof |
| CN111548073A (en) * | 2020-06-04 | 2020-08-18 | 广州市建筑科学研究院有限公司 | Anti-shrinkage prefabricated part concrete and preparation method and application thereof |
| CN112592138A (en) * | 2020-12-31 | 2021-04-02 | 中铁十局集团有限公司 | Single-component active synchronous mortar with controllable setting time and preparation method thereof |
| CN116750988A (en) * | 2023-08-11 | 2023-09-15 | 天津市扬天环保科技有限公司 | Slow-release type polycarboxylic acid concrete water reducer with good fluidity and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1458106A (en) * | 2003-06-02 | 2003-11-26 | 同济大学 | Light geotechnical synthetic material and its preparing method |
| KR20040023319A (en) * | 2002-09-11 | 2004-03-18 | (주)지플러스 | Pozzolan inorganic hardening composition with environment friendly relationship type and high efficiency |
| CN1884182A (en) * | 2006-07-07 | 2006-12-27 | 邓桂云 | Civil engineering materials curing agent and preparation method thereof |
| CN101759411A (en) * | 2010-01-14 | 2010-06-30 | 赵国平 | Cement concrete |
| CN102344813A (en) * | 2011-07-18 | 2012-02-08 | 徐辰楚 | Curing agent for curing marine poor subsoil |
-
2014
- 2014-09-26 CN CN201410505225.2A patent/CN104310843B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040023319A (en) * | 2002-09-11 | 2004-03-18 | (주)지플러스 | Pozzolan inorganic hardening composition with environment friendly relationship type and high efficiency |
| CN1458106A (en) * | 2003-06-02 | 2003-11-26 | 同济大学 | Light geotechnical synthetic material and its preparing method |
| CN1884182A (en) * | 2006-07-07 | 2006-12-27 | 邓桂云 | Civil engineering materials curing agent and preparation method thereof |
| CN101759411A (en) * | 2010-01-14 | 2010-06-30 | 赵国平 | Cement concrete |
| CN102344813A (en) * | 2011-07-18 | 2012-02-08 | 徐辰楚 | Curing agent for curing marine poor subsoil |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105439493A (en) * | 2015-12-30 | 2016-03-30 | 卓达新材料科技集团威海股份有限公司 | Anti-cracking agent used for ordinary cement-fiber board |
| CN105503063A (en) * | 2015-12-30 | 2016-04-20 | 卓达新材料科技集团威海股份有限公司 | Anti-crack agent used for Portland cement fiberboards |
| CN106517866A (en) * | 2016-11-14 | 2017-03-22 | 安徽瑞和新材料有限公司 | Clay inhibitor capable of improving clay resistance of polycarboxylate superplasticizer and use method of clay inhibitor |
| CN111423151B (en) * | 2020-03-03 | 2022-04-12 | 深圳市三绿科技有限公司 | Concrete cementing material regulator and preparation method thereof |
| CN111423149A (en) * | 2020-03-03 | 2020-07-17 | 深圳市三绿科技有限公司 | Concrete aggregate regulator and preparation process thereof |
| CN111423154A (en) * | 2020-03-03 | 2020-07-17 | 深圳市三绿科技有限公司 | Concrete glue reducing agent and preparation method thereof |
| CN111423154B (en) * | 2020-03-03 | 2021-10-15 | 深圳市三绿科技有限公司 | Concrete glue reducing agent and preparation method thereof |
| CN111423151A (en) * | 2020-03-03 | 2020-07-17 | 深圳市三绿科技有限公司 | Concrete cementing material regulator and preparation method thereof |
| CN111548073A (en) * | 2020-06-04 | 2020-08-18 | 广州市建筑科学研究院有限公司 | Anti-shrinkage prefabricated part concrete and preparation method and application thereof |
| CN111548073B (en) * | 2020-06-04 | 2022-06-07 | 广州市建筑科学研究院有限公司 | Anti-shrinkage prefabricated part concrete and preparation method and application thereof |
| CN112592138A (en) * | 2020-12-31 | 2021-04-02 | 中铁十局集团有限公司 | Single-component active synchronous mortar with controllable setting time and preparation method thereof |
| CN112592138B (en) * | 2020-12-31 | 2022-07-12 | 中铁十局集团有限公司 | Single-component active synchronous mortar with controllable setting time and preparation method thereof |
| CN116750988A (en) * | 2023-08-11 | 2023-09-15 | 天津市扬天环保科技有限公司 | Slow-release type polycarboxylic acid concrete water reducer with good fluidity and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104310843B (en) | 2017-01-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104310843A (en) | Clay-resistant concrete function additive and preparation method thereof | |
| CN104844099B (en) | A kind of lower shrinkage low viscosity super high strength concrete | |
| CN111056776B (en) | High slump retaining recycled concrete and preparation method thereof | |
| Feng et al. | Applications of natural zeolite to construction and building materials in China | |
| US3232777A (en) | Cementitious composition and method of preparation | |
| CN105272069B (en) | A kind of ultra-fine portland cement base grouting material and preparation method thereof | |
| CN102515608B (en) | Modified metakaolin-based permeation-resistant and crack-resistant agent for concrete | |
| CN105036587A (en) | High-performance concrete synergist and preparing method thereof | |
| CN102898101B (en) | Light anti-aqueous dispersion grout | |
| CN104844045B (en) | A kind of process of surface treatment of lightweight aggregate for concrete | |
| CN111792902B (en) | High-strength water-resistant phosphogypsum composite cementing material and preparation method thereof | |
| CN104609814A (en) | Anti-aqueous dispersion synchronous grouting material with large specific gravity and low consistence | |
| CN104860571A (en) | Concrete surface sealing curing treatment enhancing agent | |
| CN106946530A (en) | Ultra-retardation concrete | |
| WO2015032131A1 (en) | Bentonite modifier, and modified bentonite and application thereof | |
| CN107399948A (en) | Fill strong concrete and its preparation and the application of iron tailings sand | |
| CN104478283A (en) | Additive of polycarboxylic acid water-reducing agent and usage method thereof | |
| CN105948639A (en) | High-strength low-shrinkage crack-resistant pavement base material | |
| CN104310837A (en) | Dry-mixed mortar and additive thereof | |
| CN115893895A (en) | Coagulation accelerating early strength agent, preparation method thereof and concrete composition | |
| CN109942219A (en) | A kind of have both protects the concrete of effect of collapsing and subtracts jelly | |
| CN101412595A (en) | Method for preparing concrete admixture from kaoline tailing | |
| CN106882943A (en) | A kind of strength cement-based grouting material suitable for chlorion hyposmosis | |
| CN113816707A (en) | Curing agent, preparation method and application thereof, weathered argillaceous siltstone improved material and application thereof | |
| CN113105149A (en) | Concrete glue reducing agent and preparation method and application method 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 | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191128 Address after: Room 2114, 21st floor, mingshige, Huaxing Times Square, No.4 Xinmin Road, Qingxiu District, Nanning City, Guangxi Zhuang Autonomous Region, 530000 Patentee after: Guangxi Baotian environmental protection materials Co.,Ltd. Address before: 100044 No. 1, Exhibition Road, Beijing, Xicheng District Patentee before: Beijing University of Civil Engineering and Architecture |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Anti-clay type concrete functional admixture and preparation method thereof Effective date of registration: 20220801 Granted publication date: 20170118 Pledgee: Nanning Branch of Guilin Bank Co.,Ltd. Pledgor: Guangxi Baotian environmental protection materials Co.,Ltd. Registration number: Y2022450000123 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230809 Granted publication date: 20170118 Pledgee: Nanning Branch of Guilin Bank Co.,Ltd. Pledgor: Guangxi Baotian environmental protection materials Co.,Ltd. Registration number: Y2022450000123 |