CN106467371A - A kind of freeze proof melt type concrete pump-feed agent - Google Patents
A kind of freeze proof melt type concrete pump-feed agent Download PDFInfo
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- CN106467371A CN106467371A CN201610852788.8A CN201610852788A CN106467371A CN 106467371 A CN106467371 A CN 106467371A CN 201610852788 A CN201610852788 A CN 201610852788A CN 106467371 A CN106467371 A CN 106467371A
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- 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
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- 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
- C04B2103/60—Agents for protection against chemical, physical or biological attack
- C04B2103/601—Agents for increasing frost resistance
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
Abstract
The invention discloses a kind of freeze proof melt type concrete pump-feed agent, it is made up of polycarboxylate water-reducer, air entraining agent, builder/dispersants, retarder, slow releasing agent, isolation bleeding inhibitor and water；The constituent content of wherein said pumping admixture is counted with gross weight for 100 parts：10～20 parts of polycarboxylate water-reducer, 0.2～0.8 part of air entraining agent, 2～4 parts of builder/dispersants, 1～3 part of retarder, 5～10 parts of slow releasing agent, isolate 5～10 parts of bleeding inhibitor, 53～70 parts of water.The present invention utilize several functions component synergism, obtained that there is high diminishing, more preferable slump holding capacity, large fluidity, high air content, not bleeding isolation freeze proof melt type concrete pump-feed agent, solve agent on crack resistance of concrete freeze thawing pumping construction technical barrier.Compared with technology before, there is the significance feature that freeze thawing resistance is better, cost is lower, pumping effect is more preferable, endurance quality is higher, economic benefit and social benefit are considerable.
Description
Technical field
The present invention relates to a kind of freeze proof melt type concrete pump-feed agent and preparation method thereof, belong to coagulating cement in construction material
Native additive technical field.
Background technology
Concrete is one of most important material in architectural engineering now, can provide intensity and durability for building.
With social continuous progress, environmental protection cause and hydraulic engineering also develop rapidly, built a lot of sewage treatment plants and many is big
Type reservoir and river course.And China's most area winter temperature is below 0 DEG C, northeast and the Northwest's temperature are sometimes up to subzero
20～30 DEG C.In this context, it is faced with the concrete colding and heat succeed each other with alternation of wetting and drying to be accomplished by circulating with freeze thawing resistance
Design performance, the only in this way endurance quality of these building main bodys of guarantee.
In addition, modern concrete construction technology is also being constantly changing and is improving, concrete major part is all to pump
Form is poured.The frost thawing resistance concrete commonly used at present is all to be combined bleed component with diminishing component to be formulated.Using subtracting
Water component reduces the quantity of inside concrete free water, so that inside concrete is endured cold and does not produce enough stress when freezing, it is to avoid
Lead to concrete destruction；Bubble is introduced using bleed component, changes inside concrete pore structure, can not produce after so that concrete is endured cold
The flowing of raw negative pressure suppression water.But these do not take into full account the performance of pump concrete, pump concrete is large fluidity
Concrete, will have good mobility and workability, and otherwise during freeze-thaw cycle, the mass loss of concrete and intensity are damaged
Losing can be very big, causes the durability of concrete unqualified.
Patent CN101549973B discloses a kind of " compound concrete high efficiency water reducing agent ", is protected by diminishing mother solution, slow setting
Mould the material compositions such as agent, viscosity modifier, air entraining agent, while effective control concrete slump loss, improve mixed
Solidifying soil freezing and thawing performance.
Patent CN103755214B discloses " a kind of concrete antifreezer ", by polyacrylamide, sodium alkyl benzene sulfonate, second
Glycol, sodium carboxymethyl cellulose compatibility, the concrete mixing this antifreezing agent can use at subzero 10 degree about, and 100 freeze thawing are strong
Degree loss rate is less than 5%.
But retrieval finds, using high efficiency water reducing agent, air entraining agent, builder/dispersants, slow releasing agent, slow releasing agent, isolation bleeding suppression
Preparation is mixed with the freeze proof melt type with good workability, pump-conveying property and endurance quality according to certain mass ratio
Concrete pump-feed agent have not been reported.
Content of the invention
For the deficiencies in the prior art, it is an object of the invention to provide a kind of freeze proof melt type concrete pump-feed agent and its preparation
Method.
Freeze proof melt type concrete pump-feed agent of the present invention, by polycarboxylate water-reducer, air entraining agent, builder/dispersants, slow setting
Agent, slow releasing agent, isolation bleeding inhibitor and water are made；It is characterized in that：The constituent content of described pumping admixture is with gross weight for 100
Part meter, specifically：10～20 parts of polycarboxylate water-reducer, 0.2～0.8 part of air entraining agent, 2～4 parts of builder/dispersants, retarder 1～3
Part, 5～10 parts of slow releasing agent, isolate 5～10 parts of bleeding inhibitor, 53～70 parts of water；
Wherein, described polycarboxylate water-reducer is the HT-1 type high efficiency water reducing agent that Shandong Jiang Tai building materials Science and Technology Ltd. produces
Or commercially available identical function water reducer；Described air entraining agent is triterpenoid saponin, sodium lauryl sulphate, DBSA
One of sodium, rosin air entraining agent or two kinds of the mixing of its any part by weight；Described builder/dispersants are that Beijing is prosperous with one heart
The BTC additive that company produces；Described retarder is sodium gluconate, white sugar, sodium tripolyphosphate, maltodextrin, hexa metaphosphoric acid
One of sodium；Described slow releasing agent is the sustained-release water reducing agent of hydroxypropyl esters；Described isolation bleeding inhibitor is that conventional commercial produces
Product.
Freeze proof melt type concrete pump-feed agent of the present invention is preferred embodiment：The constituent content of described pumping admixture
Counted with gross weight for 100 parts, specifically：18 parts of polycarboxylate water-reducer, 0.5 part of air entraining agent, 2 parts of builder/dispersants, retarder 2
Part, 8 parts of slow releasing agent, isolate 6 parts of bleeding inhibitor, 63.5 parts of water；
Wherein, described polycarboxylate water-reducer is the efficient diminishing of HT-1 type that Shandong Jiang Tai building materials Science and Technology Ltd. produces
Agent；Described air entraining agent is for triterpenoid saponin and sodium lauryl sulphate by weight for 3:The product of 2 mixing；Described builder/dispersants
It is the BTC additive that the prosperous concentric company in Beijing produces；Described retarder is sodium gluconate.
The preparation method of freeze proof melt type concrete pump-feed agent of the present invention, step is：
(1) in parts by weight, the water taking 60 parts is placed in tank, adds 2 parts of retarder gluconic acid under stirring
Sodium, adds 18 parts of polycarboxylate water-reducer, stirs 1 ± 0.1 hour；
(2) builder/dispersants of 2 parts of addition, 8 parts of slow releasing agent under stirring, 6 parts of isolation bleeding suppression are continued
Agent, is stirred for 0.5～1 hour；
(3) after the component being added fully dissolves, 0.3 part of triterpenoid saponin and 0.2 part of lauryl sulphate acid are added
Sodium, stirring stood after 0.5 ± 0.1 hour, added 3.5 parts of water, and freeze proof melt type concrete pump is obtained after foam has disappeared
Send agent.
The present invention is former with high efficiency water reducing agent, air entraining agent, builder/dispersants, slow releasing agent, slow releasing agent, isolation bleeding inhibitor
Material, has been mixed and made into freeze proof melt type concrete pump-feed agent according to certain mass ratio.Specifically, this pumping admixture is subtracted with polycarboxylic acids
Water preparation is diminishing component, adds bleed component, potentiation dispersed component, slow setting component, release sustaining component and isolation bleeding inhibitor group
Point, prepared by several functions component synergism have high diminishing, high protect collapse, large fluidity, high air content, not bleeding
The concrete pump-feed agent of the freeze proof melt type of isolation, solves agent on crack resistance of concrete freeze thawing pumping construction technical barrier.By above group distribution
The freeze proof melt type concrete pump-feed agent of system has good workability, pump-conveying property and endurance quality.Can be implemented as various
Sewage treatment plant pond and large reservoir and River Construction provide the freeze proof melt type pump concrete of high-quality.The freeze thawing resistance of the present invention
Type concrete pump-feed agent compare before technology have that freeze thawing resistance is better, cost is lower, pumping effect is more preferable, endurance quality more
Strong significance feature.There is good economic benefit and social benefit.
To sum up, the outstanding advantages of the present invention and effect are：
(1) polycarboxylate water-reducer being adopted has the characteristics that adaptability is good, water-reducing rate is high, early strength growth is fast, can
Water requirement with reduction concrete by a larger margin.
(2) present invention, by compounding triterpenoid saponin and sodium lauryl sulphate air entraining agent, effectively can draw in concrete
Enter different aperture minute bubbles, and can guarantee that the stability of bubble, you can ensure concrete strength, minute bubbles resistance can be utilized again
Disconnected capillary effect provides passage for concrete free water, it is to avoid free water destruct xoncrete structure.
(3) present invention uses builder/dispersants and bleeding isolation inhibitor, successfully inhibit the isolation bleeding of concrete
The degree of compaction that concrete again can be promoted increases, and reduces the cost of raw material and production cost.
(4) present invention further introduces retarder and slow releasing agent, the fast problem of fresh concrete slump-loss can be improved,
Improve the gradual loss of concrete, increased the pumpable performance of concrete.
Specific embodiment
In order that the objects, technical solutions and advantages of the present invention become more apparent, with reference to embodiments, to the present invention
It is further elaborated.It should be appreciated that specific embodiment described herein is used only for explaining the present invention, and without
In the restriction present invention.
The preparation method of the freeze proof melt type concrete pump-feed agent of embodiment 1
(1) (unit in parts by weight：Kilogram), take 60 parts of water to be placed in tank, add 2 parts of slow setting under stirring
Agent sodium gluconate, adds 18 parts of polycarboxylate water-reducer, stirs 1 hour；
(2) builder/dispersants of 2 parts of addition, 8 parts of slow releasing agent under stirring, 6 parts of isolation bleeding suppression are continued
Agent, is stirred for 0.5 hour；
(3) after the component being added fully dissolves, 0.3 part of triterpenoid saponin and 0.2 part of lauryl sulphate acid are added
Sodium, stirring stood after 0.5 hour, added 3.5 parts of water, and freeze proof melt type concrete pump-feed agent is obtained after foam has disappeared.
The constituent content of described pumping admixture is counted with gross weight for 100 parts, specifically：18 parts of polycarboxylate water-reducer, air entraining agent
0.5 part, 2 parts of builder/dispersants, 2 parts of retarder, 8 parts of slow releasing agent, isolate 6 parts of bleeding inhibitor, 63.5 parts of water.
Wherein, described polycarboxylate water-reducer is the efficient diminishing of HT-1 type that Shandong Jiang Tai building materials Science and Technology Ltd. produces
Agent；Described builder/dispersants are the BTC additives that the prosperous concentric company in Beijing produces；Described retarder is sodium gluconate；Described
Slow releasing agent is the sustained-release water reducing agent of hydroxypropyl esters；Described isolation bleeding inhibitor is conventional commercial product.
The preparation method of the freeze proof melt type concrete pump-feed agent of embodiment 2
Raw material and the similar embodiment of method 1, (unit in parts by weight：Kilogram), the water weighing 60 parts in measuring tank enters
Row stirring, adds 1.5 parts of sodium gluconate under stirring, add 16 parts of polycarboxylate water-reducer stir one little
When；Continue after one hour to add 2 parts of builder/dispersants, 8 parts of slow releasing agent under stirring, isolate 8 parts of bleeding inhibitor；Continue
Continuous stir about half an hour added composition adds 0.5 part of triterpenoid saponin after fully dissolving, and stands after continuing stirring half an hour,
Add 4 parts of water, freeze proof melt type concrete pump-feed agent is obtained after foam has disappeared.
The preparation method of the freeze proof melt type concrete pump-feed agent of embodiment 3
Raw material and the similar embodiment of method 1, (unit in parts by weight：Kilogram), the water weighing 60 parts in measuring tank enters
Row stirring, adds 1 part of sodium gluconate under stirring, and the polycarboxylate water-reducer adding 15 parts stirs a hour；
Continue after one hour to add 2 parts of builder/dispersants, 5 parts of slow releasing agent under stirring, isolate 5 parts of bleeding inhibitor；Continue
Stir about half an hour added composition adds 0.6 part of sodium lauryl sulphate to continue after fully dissolving quiet after stirring half an hour
Put, add 11.4 parts of water, freeze proof melt type concrete pump-feed agent is obtained after foam has disappeared.
The preparation method of the freeze proof melt type concrete pump-feed agent of embodiment 4
Raw material and the similar embodiment of method 1, (unit in parts by weight：Kilogram), the water weighing 60 parts in measuring tank enters
Row stirring, adds 1 part of white sugar or sodium tripolyphosphate under stirring, and the polycarboxylate water-reducer adding 12 parts stirs one
Hour；Continue after one hour to add 2 parts of builder/dispersants, 10 parts of slow releasing agent under stirring, isolate bleeding inhibitor 8
Part；Continue to add 0.3 part of triterpenoid saponin and 0.3 part of lauryl sulphate acid after stir about half an hour added composition fully dissolves
Sodium stands after continuing stirring half an hour, adds 6.4 parts of water.Freeze proof melt type concrete pumping is obtained after foam has disappeared
Agent.
The present invention utilizes by several functions component synergism, has obtained thering is high diminishing, more preferable slump holding energy
Power；Large fluidity, high air content, not bleeding isolation freeze proof melt type concrete pump-feed agent, solve agent on crack resistance of concrete freeze thawing pump
Send a construction technology difficult problem.Before the concrete pump-feed agent of freeze proof melt type disclosed by the invention is compared, technology has freeze thawing resistance effect more
The significance feature that good, cost is lower, pumping effect is more preferable, endurance quality is higher.The poly- carboxylic of raw material of pumping admixture of the present invention
Sour water reducer is the HT-1 type high efficiency water reducing agent of Shandong Jiang Tai building materials Science and Technology Ltd. production or commercially available identical function subtracts
Water preparation；Described air entraining agent is triterpenoid saponin, sodium lauryl sulphate, dodecylbenzene sodium sulfonate, in rosin air entraining agent one
Kind or two kinds of its any part by weight mixing；Described builder/dispersants are the BTC additives that the prosperous concentric company in Beijing produces；Institute
Stating retarder is one of sodium gluconate, white sugar, sodium tripolyphosphate, maltodextrin, sodium hexameta phosphate；Described slow releasing agent is
The sustained-release water reducing agent of hydroxypropyl esters；Described isolation bleeding inhibitor is conventional commercial product.
Claims (3)
1. a kind of freeze proof melt type concrete pump-feed agent, by polycarboxylate water-reducer, air entraining agent, builder/dispersants, retarder, slow release
Agent, isolation bleeding inhibitor and water are made；It is characterized in that：The constituent content of described pumping admixture is counted with gross weight for 100 parts, tool
Body is：10～20 parts of polycarboxylate water-reducer, 0.2～0.8 part of air entraining agent, 2～4 parts of builder/dispersants, 1～3 part of retarder, slow release
5～10 parts of agent, isolates 5～10 parts of bleeding inhibitor, 53～70 parts of water；
Wherein, described polycarboxylate water-reducer be Shandong Jiang Tai building materials Science and Technology Ltd. produce HT-1 type high efficiency water reducing agent or
Commercially available identical function water reducer；Described air entraining agent is triterpenoid saponin, sodium lauryl sulphate, dodecylbenzene sodium sulfonate, pine
One of fragrant class air entraining agent or two kinds of the mixing of its any part by weight；Described builder/dispersants are the lifes of the prosperous concentric company in Beijing
The BTC additive producing；Described retarder be sodium gluconate, white sugar, sodium tripolyphosphate, maltodextrin, in sodium hexameta phosphate
A kind of；Described slow releasing agent is the sustained-release water reducing agent of hydroxypropyl esters；Described isolation bleeding inhibitor is conventional commercial product.
2. as claimed in claim 1 freeze proof melt type concrete pump-feed agent it is characterised in that：The constituent content of described pumping admixture with
Gross weight is 100 parts of meters, specifically：18 parts of polycarboxylate water-reducer, 0.5 part of air entraining agent, 2 parts of builder/dispersants, 2 parts of retarder,
8 parts of slow releasing agent, isolates 6 parts of bleeding inhibitor, 63.5 parts of water；
Wherein, described polycarboxylate water-reducer is the HT-1 type high efficiency water reducing agent that Shandong Jiang Tai building materials Science and Technology Ltd. produces；Institute
State air entraining agent for triterpenoid saponin and sodium lauryl sulphate by weight for 3:The product of 2 mixing；Described builder/dispersants are north
The BTC additive that the prosperous concentric company in capital produces；Described retarder is sodium gluconate.
3. the preparation method of freeze proof melt type concrete pump-feed agent described in claim 2, step is：
(1) in parts by weight, the water taking 60 parts is placed in tank, adds 2 parts of retarder sodium gluconate under stirring, then
Add 18 parts of polycarboxylate water-reducer, stir 1 ± 0.1 hour；
(2) the continuation builder/dispersants of 2 parts of addition, 8 parts of slow releasing agent under stirring, 6 parts of isolation bleeding inhibitor, then
Stirring 0.5～1 hour；
(3) after the component being added fully dissolves, add 0.3 part of triterpenoid saponin and 0.2 part of sodium lauryl sulphate, stir
Stand after mixing 0.5 ± 0.1 hour, add 3.5 parts of water, freeze proof melt type concrete pump-feed agent is obtained after foam has disappeared.
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| CN201610852788.8A CN106467371A (en) | 2016-09-27 | 2016-09-27 | A kind of freeze proof melt type concrete pump-feed agent |
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| CN201610852788.8A CN106467371A (en) | 2016-09-27 | 2016-09-27 | A kind of freeze proof melt type concrete pump-feed agent |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107188452A (en) * | 2017-06-28 | 2017-09-22 | 常州建轩纺织品有限公司 | A kind of concrete pumping antifreezing agent and preparation method thereof |
| CN109206046A (en) * | 2018-09-20 | 2019-01-15 | 贵州凯襄新材料有限公司 | A kind of decorative concrete pumping admixture and preparation method thereof |
| CN109279807A (en) * | 2018-09-20 | 2019-01-29 | 贵州凯襄新材料有限公司 | A kind of pumping admixture suitable for light aggregate concrete |
| CN111253105A (en) * | 2020-03-20 | 2020-06-09 | 中国能源建设集团西北电力建设工程有限公司 | Concrete antifreezing pumping agent for high-alkali areas and preparation method thereof |
| CN115368087A (en) * | 2022-09-26 | 2022-11-22 | 芜湖职业技术学院 | Ecological slope protection brick |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101244909A (en) * | 2008-03-24 | 2008-08-20 | 湖南省建筑工程集团总公司 | Highly durable high slump loss resistant no-bleeding concrete pump delivering agent |
| CN102531448A (en) * | 2011-12-27 | 2012-07-04 | 上海华联建筑外加剂厂有限公司 | Polycarboxylate high water reducing rate and low bleeding slump retention type high-efficiency pumping agent |
| CN103086635A (en) * | 2013-02-25 | 2013-05-08 | 十九冶成都建设有限公司 | Pumping agent and application thereof |
| CN103951305A (en) * | 2014-04-02 | 2014-07-30 | 交通运输部公路科学研究所 | Air entrainer, cement concrete with added air entrainer and application of air entrainer and cement concrete in slip-form construction |
| CN103641358B (en) * | 2013-11-05 | 2015-10-07 | 上海建工材料工程有限公司 | Effective pumping aid in premixing commodity packing design polycarboxylic acid series |
-
2016
- 2016-09-27 CN CN201610852788.8A patent/CN106467371A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101244909A (en) * | 2008-03-24 | 2008-08-20 | 湖南省建筑工程集团总公司 | Highly durable high slump loss resistant no-bleeding concrete pump delivering agent |
| CN102531448A (en) * | 2011-12-27 | 2012-07-04 | 上海华联建筑外加剂厂有限公司 | Polycarboxylate high water reducing rate and low bleeding slump retention type high-efficiency pumping agent |
| CN103086635A (en) * | 2013-02-25 | 2013-05-08 | 十九冶成都建设有限公司 | Pumping agent and application thereof |
| CN103641358B (en) * | 2013-11-05 | 2015-10-07 | 上海建工材料工程有限公司 | Effective pumping aid in premixing commodity packing design polycarboxylic acid series |
| CN103951305A (en) * | 2014-04-02 | 2014-07-30 | 交通运输部公路科学研究所 | Air entrainer, cement concrete with added air entrainer and application of air entrainer and cement concrete in slip-form construction |
Non-Patent Citations (1)
| Title |
|---|
| 李崇智等: "绿色高性能混凝土BTC功能外加剂的应用研究", 《第三届两岸四地高性能混凝土国际研讨会论文集》 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107188452A (en) * | 2017-06-28 | 2017-09-22 | 常州建轩纺织品有限公司 | A kind of concrete pumping antifreezing agent and preparation method thereof |
| CN109206046A (en) * | 2018-09-20 | 2019-01-15 | 贵州凯襄新材料有限公司 | A kind of decorative concrete pumping admixture and preparation method thereof |
| CN109279807A (en) * | 2018-09-20 | 2019-01-29 | 贵州凯襄新材料有限公司 | A kind of pumping admixture suitable for light aggregate concrete |
| CN111253105A (en) * | 2020-03-20 | 2020-06-09 | 中国能源建设集团西北电力建设工程有限公司 | Concrete antifreezing pumping agent for high-alkali areas and preparation method thereof |
| CN115368087A (en) * | 2022-09-26 | 2022-11-22 | 芜湖职业技术学院 | Ecological slope protection brick |
| CN115368087B (en) * | 2022-09-26 | 2024-03-15 | 芜湖职业技术学院 | Ecological slope protection brick |
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