CN102584074B - High-strength and high-plastic retaining ability concrete plastic retaining agent and application method of plastic retaining agent - Google Patents
High-strength and high-plastic retaining ability concrete plastic retaining agent and application method of plastic retaining agent Download PDFInfo
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- CN102584074B CN102584074B CN 201210009086 CN201210009086A CN102584074B CN 102584074 B CN102584074 B CN 102584074B CN 201210009086 CN201210009086 CN 201210009086 CN 201210009086 A CN201210009086 A CN 201210009086A CN 102584074 B CN102584074 B CN 102584074B
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Abstract
The invention discloses a high-strength and high-plastic retaining ability concrete plastic retaining agent and an application method of the plastic retaining agent. The plastic retaining agent is prepared by compounding 1-5 parts of boric acid, 7-15 parts of internal ester, 10-30 parts of crystal sugar, 7-15 parts of honey, 2-6 parts of ethyl acetate with 1-6 parts of ferrous sulfate. The plastic retaining agent is high in strength and plastic retaining ability and is especially suitable for high-strength concrete, commercial concrete and pump concrete.
Description
Technical field
The present invention relates to a kind of concrete admixture, be specifically related to a kind of high-strength high protect plasticity concrete plasticity-retention agent and using method thereof.
Background technology
Because at present to concrete commercialization, high performance requirement, make fluidization, high reinforcing concrete become the main direction of current concrete technology development, but owing to mix the high-strength concrete slump-loss of high efficiency water reducing agent greater than the normal concrete of not mixing or mix wooden calcium, cause constructional difficulties, the large-scale popularization that has influenced high-strength concrete is used the particularly application in commerical ready-mixed concrete and pump concrete.
Present most of producer is mixed common air entrapment agent, retardant and carrier simply, makes plasticity-retention agent, and this type of plasticity-retention agent can reach certain model retention effect, but apart from requirement high-strength, high performance concrete, also has very big gap.
Summary of the invention
In order to solve deficiency of the prior art, the invention provides a kind of high-strength high protect plasticity concrete plasticity-retention agent and using method thereof, this plasticity-retention agent is by the composite plasticity-retention agent that forms of specific formula rate by boric acid, lactone, rock sugar, honey, ethyl acetate and ferrous sulfate, this plasticity-retention agent has high strength, high protect plasticity, is particularly suitable for being applied in high-strength concrete, commerical ready-mixed concrete and the pump concrete.
In order to reach the foregoing invention purpose, the technical solution used in the present invention is: a kind of high-strength high protect plasticity concrete plasticity-retention agent is provided, it is characterized in that: described plasticity-retention agent is made up of boric acid, lactone, honey, rock sugar, ethyl acetate, water, ferrous sulfate, and each ingredients weight parts is:
Boric acid 1-5 part;
Lactone 7-15 part;
Honey 7-15 part;
Rock sugar 10-30 part;
Ethyl acetate 2-6 part;
Ferrous sulfate 1-6 part;
Water 23-72 part;
The preparation method of described plasticity-retention agent is: boric acid and lactone mixing stirring were made mixture in 0.5-1 hour, again honey, rock sugar, ethyl acetate, ferrous sulfate are joined in the said mixture, add water at last and mix stirring 0.5-1 hour, make high-strength high protect plasticity concrete plasticity-retention agent.
A kind of using method of high-strength high protect plasticity concrete plasticity-retention agent, the volume of described plasticity-retention agent are the 0.01%-0.1% of concrete glue material weight.
In sum, high-strength high protect plasticity concrete plasticity-retention agent provided by the present invention compared with prior art has following beneficial effect:
1) the present invention utilizes specific groups fructose in rock sugar and the honey and the delayed coagulation of glucose, liberated heat when greatly having disperseed hydrated cementitious, delay the formation of cement gel structure, make the cement particulate that fabulous dispersiveness be arranged, delayed concrete slump-loss effectively.
2) the present invention selects for use ethyl acetate and ferrous sulfate as raw material, has restricted the hydration of tricalcium aluminate in the cement effectively, has improved the adaptability of the high cement of product of the present invention and tricalcium aluminate content greatly.
3) high-strength high protect plasticity concrete plasticity-retention agent provided by the present invention is by the composite plasticity-retention agent that forms of specific formula rate by boric acid, lactone, rock sugar, honey, ethyl acetate and ferrous sulfate, this plasticity-retention agent has high strength, high protect plasticity, is particularly suitable for being applied in high-strength concrete, commerical ready-mixed concrete and the pump concrete.
Embodiment
Below in conjunction with specific embodiment the specific embodiment of the present invention is done and to be described in detail:
Embodiment 1
Earlier with 1 part of (weight part, down together) boric acid and 14 parts of lactones mix, get mixture after stirring, join 8 parts of honey, 28 portions of rock sugar, 2 parts of ethyl acetate, 2 parts of ferrous sulfate in the said mixture successively again, adding 45 parts of water at last mixes, make high-strength high protect plasticity concrete plasticity-retention agent after stirring, admixture (sequence number 1) and the common plasticity-retention agent (sequence number 2) of preparation are joined in the concrete mix by 0.05% of concrete glue material amount, and and the concrete (sequence number 3) of not mixing plasticity-retention agent compare experiment, experimental result such as table 1:
Table 1
As shown in Table 1, adopt the concrete slump loss of this embodiment product very little, and concrete slump when 1h of the concrete of the common plasticity-retention agent of admixture and no admixture plasticity-retention agent just reaches 10mm and 50mm, so the plasticity-retention agent of product of the present invention has improved concrete protect plasticity greatly; In addition, can find out from last table that after 38 days, the concrete strength of employing product of the present invention has improved 2-3MPa than the concrete strength of the concrete that adopts common plasticity-retention agent and nothing interpolation plasticity-retention agent.
Embodiment 2
Earlier 3 parts of boric acid and 10 parts of lactones are mixed, get mixture after stirring, join 10 parts of honey, 20 portions of rock sugar, 3 parts of ethyl acetate, 2 parts of ferrous sulfate in the said mixture successively again, adding 52 parts of water at last mixes, make high-strength high protect plasticity concrete plasticity-retention agent after stirring, admixture (sequence number 1) and the common plasticity-retention agent (sequence number 2) of preparation are joined in the concrete mix by 0.05% of concrete glue material amount, and and the concrete (sequence number 3) of not mixing plasticity-retention agent compare experiment, experimental result such as table 2:
Table 2
As shown in Table 2, adopt the basic free of losses of concrete slump of this embodiment product, and concrete slump when 1h of the concrete of the common plasticity-retention agent of admixture and no admixture plasticity-retention agent just reaches 10mm and 50mm, so the plasticity-retention agent of product of the present invention has improved concrete protect plasticity greatly; In addition, can find out from last table that after 38 days, the concrete strength of employing product of the present invention has improved 3-5MPa than the concrete strength of the concrete that adopts common plasticity-retention agent and nothing interpolation plasticity-retention agent.
Embodiment 3
Earlier 5 parts of boric acid and 7 parts of lactones are mixed, get mixture after stirring, join 14 parts of honey, 12 portions of rock sugar, 6 parts of ethyl acetate, 6 parts of ferrous sulfate in the said mixture successively again, the water that adds 50 parts at last mixes, make high-strength high protect plasticity concrete plasticity-retention agent after stirring, admixture (sequence number 1) and the common plasticity-retention agent (sequence number 2) of preparation are joined in the concrete mix by 0.05% of concrete glue material amount, and and the concrete (sequence number 3) of not mixing plasticity-retention agent compare experiment, experimental result such as table 3:
Table 3
As shown in Table 3, adopt the concrete slump loss of this embodiment product very little, and concrete slump when 1h of the concrete of the common plasticity-retention agent of admixture and no admixture plasticity-retention agent just reaches 10mm and 50mm, so the plasticity-retention agent of product of the present invention has improved concrete protect plasticity greatly; In addition, can find out from last table that after 38 days, the concrete strength of employing product of the present invention has improved 1-2MPa than the concrete strength of the concrete that adopts common plasticity-retention agent and nothing interpolation plasticity-retention agent.
Though in conjunction with specific embodiments the specific embodiment of the present invention is described in detail, be not to be restriction to this patent protection domain.In claims institute restricted portion, various modifications that those skilled in the art can make without creative work or adjust the protection that still is subjected to this patent.
Claims (2)
1. high-strength high protect plasticity concrete plasticity-retention agent, it is characterized in that: described plasticity-retention agent is made up of boric acid, lactone, honey, rock sugar, ethyl acetate, water, ferrous sulfate, and each ingredients weight parts is:
Boric acid 1-5 part;
Lactone 7-15 part;
Honey 7-15 part;
Rock sugar 10-30 part;
Ethyl acetate 2-6 part;
Ferrous sulfate 1-6 part;
Water 23-72 part;
The preparation method of described plasticity-retention agent is: boric acid and lactone mixing stirring were made mixture in 0.5-1 hour, again honey, rock sugar, ethyl acetate, ferrous sulfate are joined in the said mixture, add water at last and mix stirring 0.5-1 hour, make high-strength high protect plasticity concrete plasticity-retention agent.
2. the using method of the described high-strength high protect plasticity concrete plasticity-retention agent of claim 1, it is characterized in that: the volume of described plasticity-retention agent is the 0.01%-0.1% of concrete glue material weight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210009086 CN102584074B (en) | 2012-01-13 | 2012-01-13 | High-strength and high-plastic retaining ability concrete plastic retaining agent and application method of plastic retaining agent |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201210009086 CN102584074B (en) | 2012-01-13 | 2012-01-13 | High-strength and high-plastic retaining ability concrete plastic retaining agent and application method of plastic retaining agent |
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| Publication Number | Publication Date |
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| CN102584074A CN102584074A (en) | 2012-07-18 |
| CN102584074B true CN102584074B (en) | 2013-09-11 |
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| CN 201210009086 Expired - Fee Related CN102584074B (en) | 2012-01-13 | 2012-01-13 | High-strength and high-plastic retaining ability concrete plastic retaining agent and application method of plastic retaining agent |
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| CN104481554A (en) * | 2014-11-03 | 2015-04-01 | 中国建筑第四工程局有限公司 | Tunnel supporting method |
| CN111153620B (en) * | 2020-01-17 | 2022-04-12 | 张家港弗克新型建材有限公司 | Special plastic stabilizer for super-retarded plastering mortar |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CA2177298C (en) * | 1996-05-24 | 2009-04-07 | Henghu Sun | Systematic method for making shotcrete and the like cementitious compositions and such compositions |
| CN1669972A (en) * | 2005-02-23 | 2005-09-21 | 刘茂平 | Compound retarder for quick hardening sulphoaluminate cement |
| CN101774779B (en) * | 2010-01-19 | 2012-06-13 | 南京瑞迪高新技术公司 | Comb-shaped low-slump concrete plastic-reserving agent with poly-sulphoacid structure |
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