CN107555828A - A kind of strong concrete thinner - Google Patents
A kind of strong concrete thinner Download PDFInfo
- Publication number
- CN107555828A CN107555828A CN201710887711.9A CN201710887711A CN107555828A CN 107555828 A CN107555828 A CN 107555828A CN 201710887711 A CN201710887711 A CN 201710887711A CN 107555828 A CN107555828 A CN 107555828A
- Authority
- CN
- China
- Prior art keywords
- concrete
- strong concrete
- activator
- thinner
- surfactant
- 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
Landscapes
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The present invention relates to Material Field, in particular to a kind of strong concrete thinner.A kind of strong concrete thinner, its raw material mainly include following components by mass percentage：Bead particles 25 35%, surfactant 0.5 2%, mineral admixture 55 70% and activator 3 8%.Wherein, activator is mainly 4.5 5.5 by mass ratio:3.2‑4.6:1 calcium hydroxide, waterglass and modified ardealite composition.Bead particles can reduce viscosity；Surfactant lubrication cementitious material system, increase fluidity, improve concrete durability；Admixture optimised coagulation soil cementitious material system, and physics water-reducing effect is played to a certain extent；Activator improves mineral admixture activity, improves concrete performance.Strong concrete thinner provided by the invention can effectively reduce the viscosity of concrete, and to concrete strength without obvious negative effect.
Description
Technical field
The present invention relates to Material Field, in particular to a kind of strong concrete thinner.
Background technology
Concrete because its have good plasticity, low energy consumption, it is convenient for production, cheap, can be with reinforcing bar perfect adaptation
The advantages that make and one of used in current building trade as extensive construction material.Sent out with the high speed of China's economy
Exhibition, industry-by-industry technical merit are lifted at a high speed, and building engineering field coverage progressively expands, and civilian industry is increasingly tight with soil
, the stronger building of some features continuously emerges, and such as high-rise building, Longspan Bridge, pays structure in advance.These projects
Development proposes higher requirement to concrete.The raising of concrete strength mainly to reduce water-cement ratio, improves cement consumption
Mode is realized.Necessarily cause the raising of concrete viscosity while reducing water-cement ratio, with the raising of concrete strength, viscosity
Increase trend is further obvious.A series of this just construction problem such as the stirring to concrete, transport, pumping, greatly constrains height
The development and application of intensity super high strength concrete.
This is occupy, inventor has invented a kind of thinner of concrete, and strong concrete viscosity is big, difficult pumps to solve
The problem of.
The content of the invention
It is an object of the invention to provide a kind of strong concrete thinner, it is intended to improve existing high-strength, super
High-strength concrete (intensity is more than 60 concrete) viscosity is too high, so as to restrict asking for the stirring of concrete, transport, pumping etc.
Topic.
The present invention provides a kind of technical scheme：
A kind of strong concrete thinner, the raw material of strong concrete thinner mainly include pressing quality percentage
The following components of number meter：Bead particles 25-35%, surfactant 0.5-2%, mineral admixture 55-70% and activator
3-8%.
Wherein, activator is mainly 4.5-5.5 by mass ratio:3.2-4.6:1 calcium hydroxide, waterglass and modified phosphorus
Gypsum forms.
In other embodiments of the invention, above-mentioned raw materials mainly include following components by mass percentage：Microballon
Particle 28-32%, surfactant 1-2%, mineral admixture 60-70% and activator 5-8%.
In other embodiments of the invention, above-mentioned surfactant is anionic surfactant.
In other embodiments of the invention, above-mentioned surfactant is neopelex.
In other embodiments of the invention, it is 4 that above-mentioned mineral admixture, which mainly includes mass ratio,:0.8-1.3:2.6-
3.5 miberal powder, flyash and silicon ash.
In other embodiments of the invention, above-mentioned miberal powder is S105 levels, and the specific surface area of miberal powder is 500-550m2/
kg。
In other embodiments of the invention, above-mentioned flyash is I grade, and the particle diameter of flyash reaches following standard：
45um square hole screens are tailed over less than or equal to 12%.
In other embodiments of the invention, above-mentioned silicon ash specific surface area is 18000-19000m2/kg。
In other embodiments of the invention, above-mentioned activator is mainly 5 by mass ratio:4:1 calcium hydroxide, waterglass
And modified ardealite composition.
In other embodiments of the invention, it is 4 that above-mentioned mineral admixture, which mainly includes mass ratio,:1:3 miberal powder, fine coal
Ash and silicon ash.Strong concrete provided in an embodiment of the present invention is with the beneficial effect of thinner：
Bead particles can be good at being filled between concrete particle, increase bulk density, discharge Free water, reduce viscous
Degree；Surfactant can introduce uniform bubble in concrete system, lubrication cementitious material system, increase glue material gap,
Increase fluidity, improve cohesiveness, improve concrete durability；Admixture has good physics water-reducing effect, can be very big
Optimization cementitious material system；Activator can improve mineral admixture activity, improve concrete performance.There is provided using the present invention
Strong concrete thinner can effectively reduce the viscosity of concrete, and to concrete strength without obvious negative shadow
Ring.
Embodiment
Nowadays the method for reducing concrete viscosity mainly has two methods：First, organic viscosity reduction auxiliary agent or macromolecule drop is synthesized
Viscous type water reducer reduces the viscosity of concrete by the superpower dispersiveness and intermolecular interaction of high molecular polymer.2nd, inorganic material
Material compounding thinner, by the grain composition of maximized optimised coagulation soil cementitious material system, increases in cementitious material system
The water film thickness of particle surface, and workability of concrete is improved using the ball effect of superfine powder, reduce intergranular mutual
Effect, so as to reach viscosity reducing effect.For organic synthesis high molecular polymer so as to reducing the research department of concrete viscosity in recent years
Come more popular direction.But the viscosity-reducing mechanism of organic high molecular polymer is not still very clear, and high molecular polymer
Application in concrete has very big dependence for the quality of concrete raw material.And the existing inorganic Compositional type of in the market
Thinner species is various, and viscosity reducing effect is passed different judgements on, and certain negative effect to concrete durability be present.
, below will be in the embodiment of the present invention to make the purpose, technical scheme and advantage of the embodiment of the present invention clearer
Technical scheme be clearly and completely described.Unreceipted actual conditions person, builds according to normal condition or manufacturer in embodiment
The condition of view is carried out.Agents useful for same or the unreceipted production firm person of instrument, it is the conventional production that can be obtained by commercially available purchase
Product.
The strong concrete of the embodiment of the present invention is specifically described with thinner below.
A kind of strong concrete thinner, the raw material of strong concrete thinner mainly include pressing quality percentage
The following components of number meter：Bead particles 25-35%, surfactant 0.5-2%, mineral admixture 55-70% and activator
3-8%.
Wherein, activator is mainly 4.5-5.5 by mass ratio:3.2-4.6:1 calcium hydroxide, waterglass and modified phosphorus
Gypsum forms.
Bead particles are a kind of new ultra micro volcanic ash powder body materials, are a kind of continuous micron order materials, can be fine
Be filled between concrete particle, increase bulk density, discharge Free water, reduce viscosity.
In the present embodiment, between the particle diameter of bead particles is 0.1 μm -5 μm.Bead particles drop in strong concrete
Quality accounting in stick is 25-35%, and the volume of bead particles is excessive, and breakage rate can increase.Correspondingly, bead particles are mixed
Amount increase, density, modulus of elasticity, the compression strength of concrete can reduce.
After strong concrete meets water with thinner, surfactant can increase the interfacial tension of whole system, a side
Face is well mixed whole system, and on the other hand during continuous mixing, surfactant can draw into whole system
Enter bubble.Bubble can infiltrate, lubricate binder materials, increase the gap in each composition of concrete.Increase the flowing of concrete
Property, improve the cohesiveness of concrete, improve the persistence of concrete.
Further, surfactant is anionic surfactant in an embodiment of the present invention.Specifically, it is ten
Dialkyl benzene sulfonic acids sodium.
It should be noted that in other embodiments of the invention, surfactant can be anionic surface activity
Agent, cationic surface active agent, or nonionic surface active agent.It is possible to further for rosin saponin, polyethers it is more
First alcohols etc..
Anionic surfactant is also not limited to neopelex, or other alkyl benzene sulphonates
Salt.
Mineral admixture has improvement concrete performance, using water wisely, the function of adjusting strength grade of concrete.High intensity
Concrete is with being blended with mineral admixture in thinner, by increasing capacitance it is possible to increase mobility, cohesiveness, the water-retaining property of concrete.Improve mixed
The pumpability of soil is coagulated, reduces the viscosity of concrete.
In the present embodiment, it is 4 that above-mentioned mineral admixture, which mainly includes mass ratio,:0.8-1.3:2.6-3.5 miberal powder, powder
Coal ash and silicon ash.Inventor, which studies, to be found, the mineral admixture of said ratio has good physics water-reducing effect, Neng Gouji
Big optimization cementitious material system.
Further, it is 4 that above-mentioned mineral admixture, which mainly includes mass ratio,:1:3 miberal powder, flyash and silicon ash.
In other embodiments of the invention, above-mentioned miberal powder is S105 levels, and the specific surface area of miberal powder is 500-550m2/
kg。
Miberal powder is to use blast furnace slag, the high fineness obtained after the PROCESS FOR TREATMENTs such as drying, grinding, high activity powder.
According to standard GB/T/T18046-2000, miberal powder divides S105, S95, S75 Three Estate.In the present embodiment, using S105 levels
Miberal powder.
In the present embodiment, above-mentioned flyash is I grade, and the particle diameter of flyash reaches following standard：45um square hole screens sieve
It is remaining to be less than or equal to 12%.
Flyash, is the fine ash that catching is got off from the flue gas after coal combustion, and flyash is the main of coal-burning power plant's discharge
Solid waste.Adding coal ash has saved substantial amounts of cement and fine aggregate in concrete；Reduce water consumption；Improve concrete
The workability of mix；Strengthen the pumpability of concrete；Reduce creeping for concrete；Reduce the heat of hydration, heat energy dilatancy；Carry
High concrete impermeability；Increase the modified of concrete.Flyash is divided into Three Estate, respectively I grade, II grade, III grade.
I grade of flyash：45 μm of airflow screens, screen over-size are less than or equal to 12%, and loss on ignition is less than or equal to 5%, and water demand ratio is less than or equal to
95%, water content is less than or equal to 1.0% etc..Further, the particle diameter for the flyash that the present embodiment uses reaches following standard：
45um square hole screens are tailed over less than or equal to 12%.
Silicon ash is the rapid oxygen of oxygen in SiO2 and Si gases caused by smelting ferrosilicon and industrial silicon and air
A kind of ultra-fine siliceous powder body material for changing and condensing and being formed.In the present embodiment, above-mentioned silicon ash specific surface area is 18000-
19000m2/kg。
Activator is mainly 4.5-5.5 by mass ratio:3.2-4.6:1 calcium hydroxide, waterglass and modified ardealite
Composition.Activator, it is possible to increase mineral admixture activity, improve concrete performance.
Further, above-mentioned activator is mainly 5 by mass ratio:4:1 calcium hydroxide, waterglass and modified ardealite
Composition.It should be noted that in the present embodiment, modified ardealite refers to use alkaline matter, such as calcium hydroxide, quick lime
Or white lime etc. neutralizes the acid in ardealite, reconciles its pH.
Further, above-mentioned raw materials mainly include following components by mass percentage：Bead particles 28-32%, table
Face activating agent 1-2%, mineral admixture 60-70% and activator 5-8%.
In detail, bead particles 30%, surfactant 1%, mineral admixture 64% and activator 5%.
With thinner in other embodiments of the invention, above-mentioned concrete also includes binder materials to strong concrete,
Strong concrete is with the 8-15% that the volume of thinner is binder materials quality.
The concrete of above-mentioned strong concrete thinner is blended with, concrete viscosity can reduce, and high intensity coagulation
Soil is had no adverse effects with thinner to concrete durability.And simple with complex process, compounding is easy to get etc. excellent with raw material
Point.
The feature and performance of the present invention are described in further detail with reference to embodiments.
Embodiment 1
The present embodiment provides a kind of strong concrete thinner, and the raw material of the strong concrete thinner is main
Including following composition as mass fraction：
It is bead particles 30% that particle diameter is 0.1 μm~5 μm, neopelex 1%, mineral admixture 64%, living
Agent 5%.
Wherein, activator is mainly 5 by mass ratio:4:1 calcium hydroxide, waterglass and modified ardealite composition.
Mineral admixture is by miberal powder：Flyash：Silicon ash is 4 in mass ratio:1:Obtained after 3 mixing.Miberal powder is S105 levels,
Specific surface area 530m2/kg；Flyash is I grade, fineness (45um square hole screens, which tail over, to be less than or equal to) 12%；Silicon ash specific surface area
For 18562m2/kg。
Embodiment 2
The present embodiment provides a kind of strong concrete thinner, and the raw material of the strong concrete thinner is main
Including following composition as mass fraction：
Particle diameter be 0.1 μm~5 μm bead particles 35%, neopelex 0.8%, mineral admixture 61%,
Activator 3.2%.
Wherein, activator is mainly 5 by mass ratio:4:1 calcium hydroxide, waterglass and modified ardealite composition.
Mineral admixture is by miberal powder：Flyash：Silicon ash is 4 in mass ratio:1:Obtained after 3 mixing.Miberal powder is S105 levels,
Specific surface area 530m2/kg；Flyash is I grade, fineness 5.5%；Silicon ash specific surface area is 18562m2/kg。
Embodiment 3
The present embodiment provides a kind of strong concrete thinner, and the raw material of the strong concrete thinner is main
Including following composition as mass fraction：
Particle diameter is 0.1 μm~5 μm of bead particles 35%；Triterpenoid saponin 2%, mineral admixture 70% and activator
8%.
Wherein, activator is mainly 4.5 by mass ratio:3.2:1 calcium hydroxide, waterglass and modified ardealite group
Into.
Mineral admixture is by miberal powder：Flyash：Silicon ash is 4 in mass ratio：1.3:Obtained after 3.5 mixing.Miberal powder is
S105 levels, specific surface area 550m2/kg；Flyash is I grade, fineness 5.5%；Silicon ash specific surface area is 18000m2/kg。
Embodiment 4
The present embodiment provides a kind of strong concrete thinner, and the raw material of the strong concrete thinner is main
Including following composition as mass fraction：
Particle diameter is 0.1 μm~5 μm of bead particles 35%；Triterpenoid saponin 0.5%, mineral admixture 70% and activator
8%.
Wherein, activator is mainly 4.5 by mass ratio:3.2:1 calcium hydroxide, waterglass and modified ardealite group
Into.
Mineral admixture is by miberal powder：Flyash：Silicon ash is 4 in mass ratio:1.3:Obtained after 2.6 mixing.Miberal powder is
S105 levels, specific surface area 450m2/kg；Flyash is I grade, fineness 5.5%；Silicon ash specific surface area is 19000m2/kg。
Embodiment 5
The present embodiment provides a kind of strong concrete thinner, and the raw material of the strong concrete thinner is main
Including following composition as mass fraction：
Particle diameter be 0.1 μm~5 μm bead particles 28%, neopelex 1%, mineral admixture 60% and
Activator 5%.
Wherein, activator is mainly 5.5 by mass ratio:4.6:1 calcium hydroxide, waterglass and modified ardealite group
Into.
Mineral admixture is by miberal powder：Flyash：Silicon ash is 4 in mass ratio:1.3:Obtained after 3.5 mixing.Miberal powder is
S105 levels, specific surface area 550m2/kg；Flyash is I grade, fineness 5.5%；Silicon ash specific surface area is 18750m2/kg。
Embodiment 6
The present embodiment provides a kind of strong concrete thinner, and the raw material of the strong concrete thinner is main
Including following composition as mass fraction：
Particle diameter be 0.1 μm~5 μm bead particles 32%, neopelex 2%, mineral admixture 70% and
Activator 8%.
Wherein, activator is mainly 5.5 by mass ratio:3.2:1 calcium hydroxide, waterglass and modified ardealite group
Into.
Mineral admixture is by miberal powder：Flyash：Silicon ash is 4 in mass ratio:0.8:Obtained after 2.6 mixing.Miberal powder is
S105 levels, specific surface area 550m2/kg；Flyash is I grade, fineness 5.5%；Silicon ash specific surface area is 18740m2/kg。
Embodiment 7
The present embodiment provides a kind of strong concrete thinner, and the raw material of the strong concrete thinner is main
Including following composition as mass fraction：
Particle diameter be 0.1 μm~5 μm bead particles 31%, neopelex 1.5%, mineral admixture 67% with
And activator 6%.
Wherein, activator is mainly 5 by mass ratio:4.1:1 calcium hydroxide, waterglass and modified ardealite composition.
Mineral admixture is by miberal powder：Flyash：Silicon ash is 4 in mass ratio:1.1:Obtained after 2.8 mixing.Miberal powder is
S105 levels, specific surface area 550m2/kg；Flyash is I grade, fineness 5.5%；Silicon ash specific surface area is 18865m2/kg。
Test example
Concrete viscosity is carried out to the strong concrete that embodiment 1-7 is prepared with thinner to try with intensity contrast
Test；It is leading indicator that viscosity, which has been inverted the slump with emptying time and V-type funnel emptying time,.And use rheometer measurement coagulation
Soil paste body viscosity.Table 1 is embodiment 1-7 test group (seven groups of embodiment 1-7) with respectively being matched in blank control group.
The test group of table 1 and blank group concrete mix
| kg/m3 | Cement | Flyash | Miberal powder | Thinner | Sand coarse aggregate ratio | Design water |
| Blank group | 520 | 50 | 80 | - | 36% | 140 |
| Embodiment 1 | 454 | 50 | 80 | 66 | 36% | 140 |
| Embodiment 2 | 460 | 50 | 80 | 60 | 36% | 140 |
| Embodiment 3 | 450 | 50 | 80 | 70 | 36% | 140 |
| Embodiment 4 | 455 | 50 | 80 | 65 | 36% | 140 |
| Embodiment 5 | 460 | 50 | 80 | 60 | 36% | 140 |
| Embodiment 6 | 445 | 50 | 80 | 75 | 36% | 140 |
| Embodiment 7 | 452 | 50 | 80 | 68 | 36% | 140 |
The test group of table 2 compares with blank group concrete performance
By the data of table 2, can be had using 1-7 of the embodiment of the present invention strong concrete thinners provided
The viscosity of the reduction concrete of effect, and to concrete strength without obvious negative effect.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (10)
1. a kind of strong concrete thinner, it is characterised in that the raw material of the strong concrete thinner is main
Including following components by mass percentage：Bead particles 25-35%, surfactant 0.5-2%, mineral admixture 55-
70% and activator 3-8%；
Wherein, the activator is mainly 4.5-5.5 by mass ratio:3.2-4.6:1 calcium hydroxide, waterglass and modified phosphorus
Gypsum forms.
2. strong concrete thinner according to claim 1, it is characterised in that the raw material mainly includes pressing matter
Measure the following components of percentage meter：Bead particles 28-32%, surfactant 1-2%, mineral admixture 60-70% and work
Agent 5-8%.
3. strong concrete thinner according to claim 1, it is characterised in that the surfactant for it is cloudy from
Subtype surfactant.
4. strong concrete thinner according to claim 1, it is characterised in that the surfactant is 12
Sodium alkyl benzene sulfonate.
5. according to the strong concrete thinner described in claim any one of 1-4, it is characterised in that the mineral blend
It is 4 that material, which mainly includes mass ratio,:0.8-1.3:2.6-3.5 miberal powder, flyash and silicon ash.
6. strong concrete thinner according to claim 5, it is characterised in that the miberal powder is S95 levels, and institute
The specific surface area for stating miberal powder is 450-550m2/kg。
7. strong concrete thinner according to claim 5, it is characterised in that the flyash is I grade, and institute
The particle diameter for stating flyash reaches following standard：45um square hole screens are tailed over less than or equal to 12%.
8. strong concrete thinner according to claim 5, it is characterised in that the silicon ash specific surface area is
18000-19000m2/kg。
9. strong concrete thinner according to claim 1, it is characterised in that the activator is mainly by quality
Than for 5:4:1 calcium hydroxide, the waterglass and modified ardealite composition.
10. strong concrete thinner according to claim 5, it is characterised in that the mineral admixture is main
It is 4 including mass ratio:1:3 miberal powder, the flyash and the silicon ash.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710887711.9A CN107555828A (en) | 2017-09-27 | 2017-09-27 | A kind of strong concrete thinner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710887711.9A CN107555828A (en) | 2017-09-27 | 2017-09-27 | A kind of strong concrete thinner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107555828A true CN107555828A (en) | 2018-01-09 |
Family
ID=60983230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710887711.9A Pending CN107555828A (en) | 2017-09-27 | 2017-09-27 | A kind of strong concrete thinner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107555828A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108191290A (en) * | 2018-01-16 | 2018-06-22 | 云南森博混凝土外加剂有限公司 | A kind of compound exciting agent and preparation method thereof |
| CN108585611A (en) * | 2018-05-15 | 2018-09-28 | 佛山市华通混凝土有限公司 | A kind of strong concrete thinner and preparation method thereof |
| CN111574102A (en) * | 2020-05-08 | 2020-08-25 | 中铁大桥局集团有限公司 | Composite concrete viscosity reducing material and application thereof |
| CN113135723A (en) * | 2021-05-25 | 2021-07-20 | 中化学交通建设集团有限公司 | Large-flow-state cement-based grouting material for semi-flexible pavement and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103145360A (en) * | 2013-03-01 | 2013-06-12 | 江苏博特新材料有限公司 | Viscosity modifier for high or ultrahigh-strength concrete |
| CN103833251A (en) * | 2014-02-28 | 2014-06-04 | 华新混凝土有限公司 | Inorganic additive of adjusting strength and viscosity of super-high-strength concrete |
| CN106316181A (en) * | 2016-08-26 | 2017-01-11 | 北京建工新型建材有限责任公司 | High performance admixture |
-
2017
- 2017-09-27 CN CN201710887711.9A patent/CN107555828A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103145360A (en) * | 2013-03-01 | 2013-06-12 | 江苏博特新材料有限公司 | Viscosity modifier for high or ultrahigh-strength concrete |
| CN103833251A (en) * | 2014-02-28 | 2014-06-04 | 华新混凝土有限公司 | Inorganic additive of adjusting strength and viscosity of super-high-strength concrete |
| CN106316181A (en) * | 2016-08-26 | 2017-01-11 | 北京建工新型建材有限责任公司 | High performance admixture |
Non-Patent Citations (3)
| Title |
|---|
| 刘程，米裕民: "《表面活性剂性质理论与应》", 30 June 2003, 北京工业大学出版 * |
| 彭小芹: "《建筑材料工程专业实验》", 30 April 2004, 中国建材工业出版社 * |
| 杨红霞: "《商品混凝土质量与成本控制技术》", 30 June 2014, 中国建材工业出版社 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108191290A (en) * | 2018-01-16 | 2018-06-22 | 云南森博混凝土外加剂有限公司 | A kind of compound exciting agent and preparation method thereof |
| CN108585611A (en) * | 2018-05-15 | 2018-09-28 | 佛山市华通混凝土有限公司 | A kind of strong concrete thinner and preparation method thereof |
| CN111574102A (en) * | 2020-05-08 | 2020-08-25 | 中铁大桥局集团有限公司 | Composite concrete viscosity reducing material and application thereof |
| CN113135723A (en) * | 2021-05-25 | 2021-07-20 | 中化学交通建设集团有限公司 | Large-flow-state cement-based grouting material for semi-flexible pavement and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103102125B (en) | Manufactured sand underwater dispersion resistant concrete and preparation method thereof | |
| CN104402345B (en) | A kind of big micro-swollen high-strength grout of fluidised form | |
| CN107417221A (en) | Wear-resistant and crack-resistant cement-based self-leveling mortar and its production method | |
| CN109851269A (en) | A kind of composite blend improving normal concrete durability by improving gradation | |
| CN107117856B (en) | Pure pulvis pervious concrete reinforcing agent and its application method with nano enhancement | |
| CN107555828A (en) | A kind of strong concrete thinner | |
| CN111533504A (en) | Ultrahigh-performance concrete formed by mixing machine-made sand and aeolian sand and preparation method thereof | |
| CN102026932A (en) | Aqueous formulations | |
| CN110734255A (en) | Low-self-contraction high-toughness cement-based composite material and preparation method thereof | |
| CN114213094B (en) | Regenerated ceramic powder geopolymer repair mortar and preparation method thereof | |
| CN105948544A (en) | Retarded portland cement and preparation method thereof | |
| CN110041002A (en) | A kind of levigate rice hull ash base composite blend and its application | |
| CN107365120A (en) | A kind of concrete gel material, high-durability clear-water concrete and preparation method thereof | |
| CN109942219A (en) | A kind of have both protects the concrete of effect of collapsing and subtracts jelly | |
| CN102775110A (en) | Cementing material with strength grade of above 200MPa and preparation method thereof | |
| CN111908825A (en) | Early strength type nano mineral admixture for concrete and preparation method thereof | |
| CN103693924A (en) | Bayer-process red mud doped dry-mixed plastering mortar and use method thereof | |
| CN104556785A (en) | Water-reducing metakaolin-based micro-expansion compacting agent and preparation method thereof | |
| CN107265980A (en) | A kind of low glue material self-compacting concrete and compound method for mixing ultra fine sand | |
| CN110451885A (en) | A kind of high-strength superhigh-lift pump concrete viscosity reduction regulation method based on material particle size matched design | |
| CN109553361A (en) | A kind of C60P12 subway concrete and preparation method thereof | |
| CN103771800A (en) | Bayer process red mud-doped dry-blending masonry mortar and using method thereof | |
| CN107628790B (en) | Decorative cement | |
| CN109553355A (en) | A kind of C40P12 subway concrete and preparation method thereof | |
| CN106746948A (en) | A kind of premixing mortar of high-efficiency corrosion-resistant |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180109 |