CN106946493A - A kind of special water reducer of subway segment and preparation method thereof - Google Patents
A kind of special water reducer of subway segment and preparation method thereof Download PDFInfo
- Publication number
- CN106946493A CN106946493A CN201710120406.7A CN201710120406A CN106946493A CN 106946493 A CN106946493 A CN 106946493A CN 201710120406 A CN201710120406 A CN 201710120406A CN 106946493 A CN106946493 A CN 106946493A
- Authority
- CN
- China
- Prior art keywords
- water reducer
- subway segment
- water
- agent
- special water
- 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
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 81
- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 40
- 238000002360 preparation method Methods 0.000 title claims abstract description 12
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 43
- 239000012752 auxiliary agent Substances 0.000 claims abstract description 24
- 230000003750 conditioning effect Effects 0.000 claims abstract description 24
- 230000009467 reduction Effects 0.000 claims abstract description 24
- 239000000203 mixture Substances 0.000 claims abstract description 22
- 239000012452 mother liquor Substances 0.000 claims abstract description 22
- 239000006260 foam Substances 0.000 claims abstract description 19
- 239000002253 acid Substances 0.000 claims abstract description 18
- 150000007513 acids Chemical class 0.000 claims abstract description 12
- 230000001681 protective effect Effects 0.000 claims abstract description 12
- 238000003756 stirring Methods 0.000 claims description 35
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims description 14
- 150000001732 carboxylic acid derivatives Chemical class 0.000 claims description 11
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 8
- 150000002148 esters Chemical class 0.000 claims description 8
- 229920000570 polyether Polymers 0.000 claims description 8
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 claims description 7
- OTYBMLCTZGSZBG-UHFFFAOYSA-L potassium sulfate Chemical compound [K+].[K+].[O-]S([O-])(=O)=O OTYBMLCTZGSZBG-UHFFFAOYSA-L 0.000 claims description 7
- 229910052939 potassium sulfate Inorganic materials 0.000 claims description 7
- 235000011151 potassium sulphates Nutrition 0.000 claims description 7
- 229910052938 sodium sulfate Inorganic materials 0.000 claims description 7
- 235000011152 sodium sulphate Nutrition 0.000 claims description 7
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 6
- VQTUBCCKSQIDNK-UHFFFAOYSA-N Isobutene Chemical compound CC(C)=C VQTUBCCKSQIDNK-UHFFFAOYSA-N 0.000 claims description 6
- 238000009835 boiling Methods 0.000 claims description 6
- 239000003864 humus Substances 0.000 claims description 6
- PHTQWCKDNZKARW-UHFFFAOYSA-N isoamylol Chemical compound CC(C)CCO PHTQWCKDNZKARW-UHFFFAOYSA-N 0.000 claims description 6
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 claims description 6
- 229910052708 sodium Inorganic materials 0.000 claims description 6
- 239000011734 sodium Substances 0.000 claims description 6
- 239000000178 monomer Substances 0.000 claims description 5
- XYRAEZLPSATLHH-UHFFFAOYSA-N trisodium methoxy(trioxido)silane Chemical compound [Na+].[Na+].[Na+].CO[Si]([O-])([O-])[O-] XYRAEZLPSATLHH-UHFFFAOYSA-N 0.000 claims description 5
- 150000001298 alcohols Chemical class 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 229920000056 polyoxyethylene ether Polymers 0.000 claims description 3
- 229940051841 polyoxyethylene ether Drugs 0.000 claims description 3
- 238000010348 incorporation Methods 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims 2
- 241000165940 Houjia Species 0.000 claims 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims 1
- 239000004567 concrete Substances 0.000 abstract description 15
- 239000002994 raw material Substances 0.000 abstract description 3
- 150000001735 carboxylic acids Chemical class 0.000 abstract 1
- 239000002202 Polyethylene glycol Substances 0.000 description 5
- 229910052799 carbon Inorganic materials 0.000 description 5
- 229920001223 polyethylene glycol Polymers 0.000 description 5
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- -1 polyoxy Polymers 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/0028—Aspects relating to the mixing step of the mortar preparation
- C04B40/0039—Premixtures of ingredients
- C04B40/0046—Premixtures of ingredients characterised by their processing, e.g. sequence of mixing the ingredients when preparing the premixtures
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
- E21D11/00—Lining tunnels, galleries or other underground cavities, e.g. large underground chambers; Linings therefor; Making such linings in situ, e.g. by assembling
- E21D11/04—Lining with building materials
- E21D11/08—Lining with building materials with preformed concrete slabs
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
- C04B2103/30—Water reducers, plasticisers, air-entrainers, flow improvers
- C04B2103/302—Water reducers
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Structural Engineering (AREA)
- Architecture (AREA)
- Mining & Mineral Resources (AREA)
- Ceramic Engineering (AREA)
- Civil Engineering (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The present invention proposes special water reducer of a kind of subway segment and preparation method thereof, is made up of following percentage composition component：Water reducing type polycarboxylic acids mother liquor 20% 30%, collapse protective poly-carboxylic acid mother liquor 5% 9%, viscosity reduction auxiliary agent 1.5% 2.8%, workability conditioning agent 2% 4%, foam control agent 0.07% 0.12%, surplus are water, the present invention passes through rational raw material proportioning, it is mixed using substep, the air pocket of concrete viscosity and inside concrete is greatly reduced using water reducer of the present invention, obtained subway segment presentation quality tool increases significantly.
Description
Technical field
The present invention relates to building material technical field, and in particular to a kind of special water reducer of subway segment and its preparation side
Method.
Background technology
Recently as the quickening of Development of China's Urbanization, the introduction and popularization of Shield Construction Technique, each metropolitan ground ironworker
Journey is also started building successively, and the prefabricated of subway segment also enters peak period.Subway segment belongs to the work of fine work in concrete product,
Have compared with general cement products：1) profile camber, is generally assembled into a ring by six；2) high intensity and high permeability resistant energy；
3) dimension precision requirement is high.But since section of jurisdiction is produced, because its strength grade is high, gel material content is high, water-cement ratio is low, steel
The problem of a series of reasons such as molding jig, construction technology cause that concrete viscosity is big, air pocket is difficult to exclude in concrete, from
And had a strong impact on the presentation quality of section of jurisdiction.Development of new water reducer is accomplished by this case, targetedly solves to ask
Topic.
The content of the invention
For above-mentioned problem, the present invention proposes special water reducer of a kind of subway segment and preparation method thereof, leads to
Rational raw material proportioning is crossed, is mixed using substep, concrete viscosity is greatly reduced and mixed using water reducer of the present invention
Air pocket inside solidifying soil, obtained subway segment presentation quality tool increases significantly.
In order to realize above-mentioned purpose, the present invention uses following technical scheme：
A kind of special water reducer of subway segment, is made up of following percentage composition component：Water reducing type polycarboxylic acids mother liquor 20%-
30%th, collapse protective poly-carboxylic acid mother liquor 5%-9%, viscosity reduction auxiliary agent 1.5%-2.8%, workability conditioning agent 2%-4%, foam control agent
0.07%-0.12%, surplus are water.
It is preferred that, the special water reducer of subway segment is made up of following percentage composition component：Water reducing type polycarboxylic acids mother liquor
27%-30%, collapse protective poly-carboxylic acid mother liquor 6%-9%, viscosity reduction auxiliary agent 2%-2.8%, workability conditioning agent 2.8%-4%, control
Infusion 0.09%-0.12%, surplus are water.
It is preferred that, the water reducing type polycarboxylic acids mother liquor is synthesized by polymeric monomer of isoamyl alcohol polyoxyethylene ether.
It is preferred that, the collapse protective poly-carboxylic acid mother liquor is synthesized with isobutene alcohol APEO polymeric monomer.
It is preferred that, the viscosity reduction auxiliary agent be polyethylene glycol, nitro humus acid sodium, sodium methyl silicate in it is any or press
Two kinds and its combination of the above thing of arbitrary proportion mixing.
It is preferred that, the workability conditioning agent is the mixture of potassium sulfate, sodium sulphate and sodium acid carbonate, and three is according to 4.5-
5.2：0.8-1.5：3.5-4.2 mass ratio mixing.
It is preferred that, the foam control agent is higher alcohols polyethers esters.
It is preferred that, the preparation method of the special water reducer of subway segment, step is as follows：Two kinds of water reducer mother liquors are added four mouthfuls
In flask, foam control agent is added after stirring 5-10min, 10-20min is stirred for, appropriate water is then added, stir 5min, then add
Enter workability conditioning agent, stir 10-20min, add viscosity reduction auxiliary agent stirring 10-15min, be eventually adding remaining water, stir
10-15min is that can obtain finished product.
It is preferred that, the application of the special water reducer finished product of subway segment is the 0.8%- according to gel material content in match ratio
1.5% incorporation, is well mixed.
Due to using above-mentioned technical scheme, the beneficial effects of the invention are as follows：The present invention is adopted by rational raw material proportioning
It is mixed with substep, the air pocket of concrete viscosity and inside concrete is greatly reduced using water reducer of the present invention, is made
The subway segment presentation quality tool obtained increases significantly.The present invention is with isoamyl alcohol polyoxyethylene ether, isobutene alcohol polyoxy second
The monomer that alkene ether is synthesized as mother liquor, the air content and air content for greatly reducing product is stable, in addition, collapse protection type workability
Tool is significantly improved；Higher alcohols polyethers esters foam control agent can effectively eliminate the gross blow hole in concrete and retain resistance to concrete
The beneficial closed minute bubbles of long property, substantially increase the performance of product.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention,
Technical scheme in the embodiment of the present invention is clearly and completely described.Based on embodiments of the invention, the common skill in this area
The every other embodiment that art personnel are obtained under the premise of creative work is not made, belongs to the model that the present invention is protected
Enclose.
Embodiment 1：
A kind of special water reducer of subway segment, it is characterised in that be made up of following percentage composition component：Water reducing type polycarboxylic acids
Mother liquor 27%, collapse protective poly-carboxylic acid mother liquor 6%, viscosity reduction auxiliary agent 2%, workability conditioning agent 2.8%, foam control agent 0.09%, water
62.11%.
The preparation method of subway segment：Two kinds of water reducer mother liquors are added in four-hole boiling flask, high-carbon is added after stirring 5min
Alcohol polyethers esters foam control agent, is stirred for 15min, then adds the water stirring 5min of total water quality 55%, then at the uniform velocity adds and easy
Property conditioning agent, stir 15min, then at the uniform velocity add viscosity reduction auxiliary agent stirring 10min, be eventually adding remaining water, stir 10min
Obtain finished product.
Wherein, workability conditioning agent is that mass ratio is 5：1：3.8 potassium sulfate, sodium sulphate, the mixture of sodium acid carbonate, drop
Viscous auxiliary agent is that mass ratio is 3:1 polyethylene glycol, the mixture of nitro humus acid sodium.
Embodiment 2：
A kind of special water reducer of subway segment, it is characterised in that be made up of following percentage composition component：Water reducing type polycarboxylic acids
Mother liquor 30%, collapse protective poly-carboxylic acid mother liquor 5%, viscosity reduction auxiliary agent 1.5%, workability conditioning agent 3%, foam control agent 0.07%, water
60.43%.
The preparation method of subway segment：Two kinds of water reducer mother liquors are added in four-hole boiling flask, high-carbon is added after stirring 10min
Alcohol polyethers esters foam control agent, is stirred for 20min, then adds the water stirring 5min of total water quality 55%, then at the uniform velocity adds and easy
Property conditioning agent, stir 15min, then at the uniform velocity add viscosity reduction auxiliary agent stirring 15min, be eventually adding remaining water, stir 10min
Obtain finished product.
Wherein, workability conditioning agent is that mass ratio is 4.5：1.5：4 potassium sulfate, sodium sulphate, the mixture of sodium acid carbonate,
Viscosity reduction auxiliary agent is that mass ratio is 1:1 polyethylene glycol, the mixture of nitro humus acid sodium.
Embodiment 3：
A kind of special water reducer of subway segment, it is characterised in that be made up of following percentage composition component：Water reducing type polycarboxylic acids
Mother liquor 28%, collapse protective poly-carboxylic acid mother liquor 9%, viscosity reduction auxiliary agent 2.5%, workability conditioning agent 2%, foam control agent 0.1%, water
58.4%.
The preparation method of subway segment：Two kinds of water reducer mother liquors are added in four-hole boiling flask, high-carbon is added after stirring 10min
Alcohol polyethers esters foam control agent, is stirred for 20min, then adds the water stirring 5min of total water quality 55%, then at the uniform velocity adds and easy
Property conditioning agent, stir 20min, then at the uniform velocity add viscosity reduction auxiliary agent stirring 10min, be eventually adding remaining water, stir 10min
Obtain finished product.
Wherein, workability conditioning agent is that mass ratio is 5.2：0.9：3.5 potassium sulfate, sodium sulphate, the mixing of sodium acid carbonate
Thing, viscosity reduction auxiliary agent is that mass ratio is 3:1 polyethylene glycol, the mixture of sodium methyl silicate.
Embodiment 4：
A kind of special water reducer of subway segment, it is characterised in that be made up of following percentage composition component：Water reducing type polycarboxylic acids
Mother liquor 25%, collapse protective poly-carboxylic acid mother liquor 7%, viscosity reduction auxiliary agent 2.8%, workability conditioning agent 4%, foam control agent 0.12%, water
61.08%.
The preparation method of subway segment：Two kinds of water reducer mother liquors are added in four-hole boiling flask, high-carbon is added after stirring 5min
Alcohol polyethers esters foam control agent, is stirred for 10min, then adds the water stirring 5min of total water quality 55%, then at the uniform velocity adds and easy
Property conditioning agent, stir 20min, then at the uniform velocity add viscosity reduction auxiliary agent stirring 15min, be eventually adding remaining water, stir 15min
Obtain finished product.
Wherein, workability conditioning agent is that mass ratio is 4.7：1.2：4.2 potassium sulfate, sodium sulphate, the mixing of sodium acid carbonate
Thing, viscosity reduction auxiliary agent is that mass ratio is 1：1:1 polyethylene glycol, nitro humus acid sodium, the mixture of sodium methyl silicate.
Embodiment 5：
A kind of special water reducer of subway segment, it is characterised in that be made up of following percentage composition component：Water reducing type polycarboxylic acids
Mother liquor 20%, collapse protective poly-carboxylic acid mother liquor 6.5%, viscosity reduction auxiliary agent 1.8%, workability conditioning agent 3.5%, foam control agent 0.08%,
Water 68.12%.
The preparation method of subway segment：Two kinds of water reducer mother liquors are added in four-hole boiling flask, high-carbon is added after stirring 10min
Alcohol polyethers esters foam control agent, is stirred for 10min, then adds the water stirring 5min of total water quality 55%, then at the uniform velocity adds and easy
Property conditioning agent, stir 10min, then at the uniform velocity add viscosity reduction auxiliary agent stirring 15min, be eventually adding remaining water, stir 15min
Obtain finished product.
Wherein, workability conditioning agent is that mass ratio is 4.8：0.8：4 potassium sulfate, sodium sulphate, the mixture of sodium acid carbonate,
Viscosity reduction auxiliary agent is that mass ratio is 3:1 sodium methyl silicate, the mixture of nitro humus acid sodium.
Water reducer made from the embodiment of the present invention 1 and commercially available common section of jurisdiction water reducer are done into contrast test, using same
Material mixture ratio only change the use of water reducer：
Concrete mix is as follows：
Test result is as follows：
The concrete bucket of falling the slump delivery time for understanding the addition implementation water reducer of row 1 by above table data significantly drops
Low, bubble is also easily excluded in concrete, and concrete 's air-containing reduces 48%.And with the reduction of air content, concrete
Intensity also have about 7% raising.In addition, the clean and tidy bubble-free of shiny appearance of the water reducer section of jurisdiction of row 1 is implemented in addition, and use general
The section of jurisdiction shiny appearance degree of logical water reducer production is low, and there is diameter >=3mm bubble.
The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although with reference to the foregoing embodiments
The present invention is described in detail, it will be understood by those within the art that：It still can be to foregoing each implementation
Technical scheme described in example is modified, or carries out equivalent to which part technical characteristic；And these modification or
Replace, the essence of appropriate technical solution is departed from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (9)
1. a kind of special water reducer of subway segment, it is characterised in that be made up of following percentage composition component：Water reducing type polycarboxylic acids is female
Liquid 20%-30%, collapse protective poly-carboxylic acid mother liquor 5%-9%, viscosity reduction auxiliary agent 1.5%-2.8%, workability conditioning agent 2%-4%,
Foam control agent 0.07%-0.12%, surplus are water.
2. the special water reducer of subway segment according to claim 1, it is characterised in that by following percentage composition component system
Into：Water reducing type polycarboxylic acids mother liquor 27%-30%, collapse protective poly-carboxylic acid mother liquor 6%-9%, viscosity reduction auxiliary agent 2%-2.8%, workability
Conditioning agent 2.8%-4%, foam control agent 0.09%-0.12%, surplus are water.
3. the special water reducer of subway segment according to claim 1 or 2, it is characterised in that：The water reducing type polycarboxylic acids is female
Liquid is synthesized by polymeric monomer of isoamyl alcohol polyoxyethylene ether.
4. the special water reducer of subway segment according to claim 1 or 2, it is characterised in that：The collapse protective poly-carboxylic acid is female
Liquid is synthesized with isobutene alcohol APEO polymeric monomer.
5. the special water reducer of subway segment according to claim 1 or 2, it is characterised in that：The viscosity reduction auxiliary agent is poly- second
Any in glycol, nitro humus acid sodium, sodium methyl silicate or two kinds and its combination of the above thing mixed in any proportion.
6. the special water reducer of subway segment according to claim 1 or 2, it is characterised in that：The workability conditioning agent is
The mixture of potassium sulfate, sodium sulphate and sodium acid carbonate, three is according to 4.5-5.2：0.8-1.5：3.5-4.2 mass ratio is mixed
Close.
7. the special water reducer of subway segment according to claim 1 or 2, it is characterised in that：The foam control agent is higher alcohols
Polyethers esters.
8. the preparation method of the special water reducer of subway segment according to claim 1 or 2, it is characterised in that step is as follows：
Two kinds of water reducer mother liquors are added in four-hole boiling flask, foam control agent is added after stirring 5-10min, is stirred for 10-20min, Ran Houjia
Enter appropriate water, stir 5min, add workability conditioning agent, stir 10-20min, add viscosity reduction auxiliary agent stirring 10-
15min, is eventually adding remaining water, stirring 10-15min is that can obtain finished product.
9. the application of the special water reducer finished product of subway segment according to claim 8, it is characterised in that：According in match ratio
The 0.8%-1.5% incorporations of gel material content, are well mixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710120406.7A CN106946493A (en) | 2017-03-02 | 2017-03-02 | A kind of special water reducer of subway segment and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710120406.7A CN106946493A (en) | 2017-03-02 | 2017-03-02 | A kind of special water reducer of subway segment and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106946493A true CN106946493A (en) | 2017-07-14 |
Family
ID=59467686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710120406.7A Pending CN106946493A (en) | 2017-03-02 | 2017-03-02 | A kind of special water reducer of subway segment and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106946493A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107417156A (en) * | 2017-09-07 | 2017-12-01 | 江苏百瑞吉新材料有限公司 | A kind of subway segment Early-strength polycarboxylate superplasticizer |
| CN109534755A (en) * | 2019-01-23 | 2019-03-29 | 济南大学 | A kind of prefabricated components special low temperature steam-curing concrete and preparation method thereof |
| CN116003822A (en) * | 2023-01-07 | 2023-04-25 | 河北萌帮生物科技有限公司 | Porous micro-particle soil conditioner and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101475338A (en) * | 2009-01-22 | 2009-07-08 | 中国建筑材料科学研究总院 | High-early strength type polycarboxylate compositional water reducing agent for unballasted track plate |
| CN105296028A (en) * | 2015-11-20 | 2016-02-03 | 中国海洋石油总公司 | Composite coal slurry dispersant used in coal chemical engineering field |
| CN105924592A (en) * | 2016-06-04 | 2016-09-07 | 石家庄市长安育才建材有限公司 | Viscosity-reduction type polycarboxylate water reducer and preparation method thereof |
| CN106431060A (en) * | 2016-09-13 | 2017-02-22 | 科之杰新材料集团有限公司 | Viscosity reduction type polycarboxylate superplasticizer used for high-strength concrete |
-
2017
- 2017-03-02 CN CN201710120406.7A patent/CN106946493A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101475338A (en) * | 2009-01-22 | 2009-07-08 | 中国建筑材料科学研究总院 | High-early strength type polycarboxylate compositional water reducing agent for unballasted track plate |
| CN105296028A (en) * | 2015-11-20 | 2016-02-03 | 中国海洋石油总公司 | Composite coal slurry dispersant used in coal chemical engineering field |
| CN105924592A (en) * | 2016-06-04 | 2016-09-07 | 石家庄市长安育才建材有限公司 | Viscosity-reduction type polycarboxylate water reducer and preparation method thereof |
| CN106431060A (en) * | 2016-09-13 | 2017-02-22 | 科之杰新材料集团有限公司 | Viscosity reduction type polycarboxylate superplasticizer used for high-strength concrete |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107417156A (en) * | 2017-09-07 | 2017-12-01 | 江苏百瑞吉新材料有限公司 | A kind of subway segment Early-strength polycarboxylate superplasticizer |
| CN109534755A (en) * | 2019-01-23 | 2019-03-29 | 济南大学 | A kind of prefabricated components special low temperature steam-curing concrete and preparation method thereof |
| CN116003822A (en) * | 2023-01-07 | 2023-04-25 | 河北萌帮生物科技有限公司 | Porous micro-particle soil conditioner and preparation method thereof |
| CN116003822B (en) * | 2023-01-07 | 2024-03-01 | 河北萌帮生物科技有限公司 | Porous micro-particle soil conditioner and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103951304B (en) | A kind of concrete intensifier and its preparation method and application | |
| CN106007452B (en) | A kind of preparation method of early strength polycarboxylic acid high performance dehydragent | |
| CN106946493A (en) | A kind of special water reducer of subway segment and preparation method thereof | |
| CN108623212B (en) | A kind of high-performance foam lightweight soil foaming agent and preparation method thereof | |
| CN105967586A (en) | Anti-corrosion concrete and preparation method thereof | |
| CN107010867A (en) | A kind of compound early-strength anti-freezing wet mixing mortar additive and preparation method thereof | |
| CN107880225A (en) | A kind of sustained-release polycarboxylic water reducer and preparation method thereof | |
| CN106904866B (en) | A kind of wet mixing mortar compounding early strength antifreezing agent and preparation method thereof | |
| CN101318789A (en) | Concrete air-entrainer and preparation method thereof | |
| CN105837738B (en) | A kind of anti-mud agent of polycarboxylic-acid cation and its preparation method and application | |
| CN109987872A (en) | A kind of concrete high efficiency water reducing agent and preparation method thereof | |
| CN109761524A (en) | A kind of method that utilizes titanium gypsum to prepare building gypsum | |
| CN101775255B (en) | Rosin polycondensate air-entraining agent and application thereof | |
| CN102826781A (en) | Waterfroof agent for cement mortar and its preparation method | |
| CN103922637B (en) | High-performance C80 the reinforcement of concrete water reducer and preparation method thereof and using method | |
| CN110395933A (en) | A kind of modified water-reducing agent of concrete | |
| CN106186796A (en) | Concrete admixture | |
| CN109161163A (en) | A kind of concrete cracking filler and its preparation method and application | |
| CN109133713A (en) | A kind of preparation method and application of new type mortar additive | |
| CN107353371A (en) | high-performance water reducing agent and preparation method thereof | |
| CN108585612A (en) | A kind of wet mixing mortar additive and its application | |
| CN105417982A (en) | Liquid alkali-free setting accelerator and preparation method thereof | |
| CN107500673A (en) | A kind of strong concrete for building and preparation method thereof | |
| CN118930114A (en) | A concrete composite additive for crack resistance and preparation method thereof | |
| CN107032655A (en) | A kind of wet mixing mortar NEW TYPE OF COMPOSITE additive and preparation method thereof |
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: 20170714 |