CN104478319A - Dry mixing waterproof and anti-freezing mortar and preparation method thereof - Google Patents
Dry mixing waterproof and anti-freezing mortar and preparation method thereof Download PDFInfo
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- CN104478319A CN104478319A CN201410685432.0A CN201410685432A CN104478319A CN 104478319 A CN104478319 A CN 104478319A CN 201410685432 A CN201410685432 A CN 201410685432A CN 104478319 A CN104478319 A CN 104478319A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
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Abstract
The invention discloses dry mixing waterproof and anti-freezing mortar and a preparation method thereof. The dry mixing waterproof and anti-freezing mortar is prepared from cement, fly ash, steel slag, river sand, methylcellulose, guar gum ether, a water reducing agent, an early strength agent and calcium nitrite. Relative to 100 parts of the river sand by weight, the dry mixing waterproof and anti-freezing mortar comprises the components in parts by weight: 15-25 parts of cement, 10-15 parts of fly ash, 5-8 parts of steel slag, 3-6 parts of methylcellulose, 4-7 parts of guar gum ether, 0.3-0.5 part of the water reducing agent, 0.5-0.8 part of the early strength agent and 1-3 parts of calcium nitrite. The dry mixing waterproof and anti-freezing mortar can be used in a cold environment and has no cracking or stripping.
Description
Technical field
The present invention relates to mortar, particularly, relate to one and be dry mixed antifreeze mortar of waterproof and preparation method thereof.
Background technology
Dry-mixed mortar, be building materials field emerging be dry mixed one of material, with cement be the fine aggregate of main agglutinate and dry sieve divisional processing, the mixture that mixes by a certain percentage of mineral admixture, reinforcement material and admixture.Dry-mixed mortar has the advantages that to be convenient to transport and store, but the situation that dry-mixed mortar easily occurs cracking after using in cold environment and peels off, thus limit the application of dry-mixed mortar.
Summary of the invention
The object of this invention is to provide one and be dry mixed the antifreeze mortar of waterproof, this is dry mixed the antifreeze mortar of waterproof and can uses in cold environment and without cracking and the generation of situation of peeling off.
To achieve these goals, the invention provides one and be dry mixed the antifreeze mortar of waterproof, described in be dry mixed the antifreeze mortar of waterproof and contain cement, flyash, slag, river sand, methylcellulose gum, guar gum ether, water reducer, hardening accelerator and calcium nitrite; Relative to the river sand of 100 weight parts, the content of described cement is 15-25 weight part, the content of described flyash is 10-15 weight part, the content of described slag is 5-8 weight part, the content of described methylcellulose gum is 3-6 weight part, and the content of described guar gum ether is 4-7 weight part, and the content of described water reducer is 0.3-0.5 weight part, the content of described hardening accelerator is 0.5-0.8 weight part, and the content of described calcium nitrite is 1-3 weight part.
Present invention also offers a kind of preparation method being dry mixed the antifreeze mortar of waterproof, described method is: cement, flyash, slag, river sand, methylcellulose gum, guar gum ether, water reducer, hardening accelerator and calcium nitrite are mixed; Relative to the river sand of 100 weight parts, the consumption of described cement is 15-25 weight part, the consumption of described flyash is 10-15 weight part, the consumption of described slag is 5-8 weight part, the consumption of described methylcellulose gum is 3-6 weight part, and the consumption of described guar gum ether is 4-7 weight part, and the consumption of described water reducer is 0.3-0.5 weight part, the consumption of described hardening accelerator is 0.5-0.8 weight part, and the consumption of described calcium nitrite is 1-3 weight part.
Pass through technique scheme, the antifreeze mortar of waterproof that is dry mixed provided by the invention makes this be dry mixed the antifreeze mortar of waterproof by the synergy of each material can to use in cold environment, even if use temperature is low to moderate-15 DEG C, this is dry mixed the situation also not occurring after the antifreeze mortar of waterproof uses ftractureing and peeling off.
Other features and advantages of the present invention are described in detail in embodiment part subsequently.
Embodiment
Below the specific embodiment of the present invention is described in detail.Should be understood that, embodiment described herein, only for instruction and explanation of the present invention, is not limited to the present invention.
The invention provides one and be dry mixed the antifreeze mortar of waterproof, described in be dry mixed the antifreeze mortar of waterproof and contain cement, flyash, slag, river sand, methylcellulose gum, guar gum ether, water reducer, hardening accelerator and calcium nitrite; Relative to the river sand of 100 weight parts, the content of described cement is 15-25 weight part, the content of described flyash is 10-15 weight part, the content of described slag is 5-8 weight part, the content of described methylcellulose gum is 3-6 weight part, and the content of described guar gum ether is 4-7 weight part, and the content of described water reducer is 0.3-0.5 weight part, the content of described hardening accelerator is 0.5-0.8 weight part, and the content of described calcium nitrite is 1-3 weight part.
In the present invention, slag can be selected in wide scope, but has more excellent waterproof and freeze-proof to make to be dry mixed the antifreeze mortar of waterproof, and preferably, the particle diameter of described slag is not more than 4 μm.
In the present invention, the concrete kind of water reducer can be selected in wide scope, but has more excellent waterproof and freeze-proof to make to be dry mixed the antifreeze mortar of waterproof, and preferably, described water reducer is selected from calcium lignin sulphonate and/or sodium lignosulfonate.
In the present invention, the concrete kind of hardening accelerator can be selected in wide scope, but in order to make to be dry mixed the antifreeze mortar of waterproof, there is more excellent waterproof and freeze-proof, preferably, described hardening accelerator be selected from sodium sulfate, Sulfothiorine, Tai-Ace S 150 and aluminum potassium sulfate one or more.
Present invention also offers a kind of preparation method being dry mixed the antifreeze mortar of waterproof, described method is: cement, flyash, slag, river sand, methylcellulose gum, guar gum ether, water reducer, hardening accelerator and calcium nitrite are mixed; Relative to the river sand of 100 weight parts, the consumption of described cement is 15-25 weight part, the consumption of described flyash is 10-15 weight part, the consumption of described slag is 5-8 weight part, the consumption of described methylcellulose gum is 3-6 weight part, and the consumption of described guar gum ether is 4-7 weight part, and the consumption of described water reducer is 0.3-0.5 weight part, the consumption of described hardening accelerator is 0.5-0.8 weight part, and the consumption of described calcium nitrite is 1-3 weight part.
In the present invention, slag can be selected in wide scope, but has more excellent waterproof and freeze-proof to make to be dry mixed the antifreeze mortar of waterproof, and preferably, the particle diameter of described slag is not more than 4 μm.
In the present invention, the concrete kind of water reducer can be selected in wide scope, but has more excellent waterproof and freeze-proof to make to be dry mixed the antifreeze mortar of waterproof, and preferably, described water reducer is selected from calcium lignin sulphonate and/or sodium lignosulfonate.
In the present invention, the concrete kind of hardening accelerator can be selected in wide scope, but in order to make to be dry mixed the antifreeze mortar of waterproof, there is more excellent waterproof and freeze-proof, preferably, described hardening accelerator be selected from sodium sulfate, Sulfothiorine, Tai-Ace S 150 and aluminum potassium sulfate one or more.
In the present invention, the actual conditions of mixing can be selected in wide scope, but has more excellent waterproof and freeze-proof to make to be dry mixed the antifreeze mortar of waterproof, preferably, described mixing meets the following conditions: mixing time is 20-40min, and mixing temperature is 15-35 DEG C.
Below will be described the present invention by embodiment.In following examples, impermeability pressure, ultimate compression strength, folding strength, frost resistance parameter are recorded by the method in JG/T230-2007; In the present invention, spent material is conventional commercial product.
Embodiment 1
At 25 DEG C, be dry mixed the antifreeze mortar A1 of waterproof by obtained to river sand 100kg, cement 20kg, flyash 13kg, slag 7kg, methylcellulose gum 4kg, guar gum ether 6kg, calcium lignin sulphonate 0.4kg, sodium sulfate 0.7kg and calcium nitrite 2kg mixing 30min.Wherein, the particle diameter of slag is 4 μm.
This is dry mixed the impermeability pressure of the antifreeze mortar of waterproof, ultimate compression strength, folding strength, frost resistance parameter in table 1.
Embodiment 2
At 15 DEG C, be dry mixed the antifreeze mortar A2 of waterproof by obtained to river sand 100kg, cement 15kg, flyash 10kg, slag 5kg, methylcellulose gum 3kg, guar gum ether 4kg, calcium lignin sulphonate 0.3kg, sodium sulfate 0.5kg and calcium nitrite 1kg mixing 20min.Wherein, the particle diameter of slag is 2 μm.
This is dry mixed the impermeability pressure of the antifreeze mortar of waterproof, ultimate compression strength, folding strength, frost resistance parameter in table 1.
Embodiment 3
At 35 DEG C, be dry mixed the antifreeze mortar A3 of waterproof by obtained to river sand 100kg, cement 25kg, flyash 15kg, slag 8kg, methylcellulose gum 6kg, guar gum ether 7kg, calcium lignin sulphonate 0.5kg, sodium sulfate 0.8kg and calcium nitrite 3kg mixing 40min.Wherein, the particle diameter of slag is 1 μm.
This is dry mixed the impermeability pressure of the antifreeze mortar of waterproof, ultimate compression strength, folding strength, frost resistance parameter in table 1.
Embodiment 4
Carry out obtaining according to the method for embodiment 1 and be dry mixed the antifreeze mortar A4 of waterproof, unlike, calcium lignin sulphonate is changed to sodium lignosulfonate.This is dry mixed the impermeability pressure of the antifreeze mortar of waterproof, ultimate compression strength, folding strength, frost resistance parameter in table 1.
Embodiment 5
Carry out obtaining according to the method for embodiment 1 and be dry mixed the antifreeze mortar A5 of waterproof, unlike, sodium sulfate is changed to Sulfothiorine.This is dry mixed the impermeability pressure of the antifreeze mortar of waterproof, ultimate compression strength, folding strength, frost resistance parameter in table 1.
Comparative example 1
Carry out obtaining according to the method for embodiment 1 and be dry mixed the antifreeze mortar B1 of waterproof, unlike, not containing calcium lignin sulphonate.This is dry mixed the impermeability pressure of the antifreeze mortar of waterproof, ultimate compression strength, folding strength, frost resistance parameter in table 1.
Comparative example 2
Carry out obtaining according to the method for embodiment 1 and be dry mixed the antifreeze mortar B2 of waterproof, unlike, not containing sodium sulfate.This is dry mixed the impermeability pressure of the antifreeze mortar of waterproof, ultimate compression strength, folding strength, frost resistance parameter in table 1.
Comparative example 3
Carry out obtaining according to the method for embodiment 1 and be dry mixed the antifreeze mortar B3 of waterproof, unlike, not containing calcium nitrite.This is dry mixed the impermeability pressure of the antifreeze mortar of waterproof, ultimate compression strength, folding strength, frost resistance parameter in table 1.
Comparative example 4
Carry out obtaining according to the method for embodiment 1 and be dry mixed the antifreeze mortar B4 of waterproof, unlike, the consumption of calcium lignin sulphonate is 0.5kg.This is dry mixed the impermeability pressure of the antifreeze mortar of waterproof, ultimate compression strength, folding strength, frost resistance parameter in table 1.
Comparative example 5
Carry out obtaining according to the method for embodiment 1 and be dry mixed the antifreeze mortar B5 of waterproof, unlike, the consumption of sodium sulfate is 1.0kg.This is dry mixed the impermeability pressure of the antifreeze mortar of waterproof, ultimate compression strength, folding strength, frost resistance parameter in table 1.
Comparative example 6
Carry out obtaining according to the method for embodiment 1 and be dry mixed the antifreeze mortar B6 of waterproof, unlike, the consumption of calcium nitrite is 5kg.This is dry mixed the impermeability pressure of the antifreeze mortar of waterproof, ultimate compression strength, folding strength, frost resistance parameter in table 1.
Table 1
From above-described embodiment and comparative example, the antifreeze mortar of mixed waterproof provided by the invention not only has excellent ultimate compression strength and folding strength, also has excellent waterproof and freeze-proof simultaneously.
More than describe the preferred embodiment of the present invention in detail; but the present invention is not limited to the detail in above-mentioned embodiment, within the scope of technical conceive of the present invention; can carry out multiple simple variant to technical scheme of the present invention, these simple variant all belong to protection scope of the present invention.
It should be noted that in addition, each concrete technical characteristic described in above-mentioned embodiment, in reconcilable situation, can be combined by any suitable mode, in order to avoid unnecessary repetition, the present invention illustrates no longer separately to various possible array mode.
In addition, also can carry out arbitrary combination between various different embodiment of the present invention, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.
Claims (9)
1. be dry mixed the antifreeze mortar of waterproof, it is characterized in that, described in be dry mixed the antifreeze mortar of waterproof and contain cement, flyash, slag, river sand, methylcellulose gum, guar gum ether, water reducer, hardening accelerator and calcium nitrite; Relative to the river sand of 100 weight parts, the content of described cement is 15-25 weight part, the content of described flyash is 10-15 weight part, the content of described slag is 5-8 weight part, the content of described methylcellulose gum is 3-6 weight part, and the content of described guar gum ether is 4-7 weight part, and the content of described water reducer is 0.3-0.5 weight part, the content of described hardening accelerator is 0.5-0.8 weight part, and the content of described calcium nitrite is 1-3 weight part.
2. be according to claim 1ly dry mixed the antifreeze mortar of waterproof, wherein, the particle diameter of described slag is not more than 4 μm.
3. be according to claim 1 and 2ly dry mixed the antifreeze mortar of waterproof, wherein, described water reducer is selected from calcium lignin sulphonate and/or sodium lignosulfonate.
4. be according to claim 1 and 2ly dry mixed the antifreeze mortar of waterproof, wherein, described hardening accelerator be selected from sodium sulfate, Sulfothiorine, Tai-Ace S 150 and aluminum potassium sulfate one or more.
5. be dry mixed a preparation method for the antifreeze mortar of waterproof, it is characterized in that, described method is: cement, flyash, slag, river sand, methylcellulose gum, guar gum ether, water reducer, hardening accelerator and calcium nitrite are mixed; Relative to the river sand of 100 weight parts, the consumption of described cement is 15-25 weight part, the consumption of described flyash is 10-15 weight part, the consumption of described slag is 5-8 weight part, the consumption of described methylcellulose gum is 3-6 weight part, and the consumption of described guar gum ether is 4-7 weight part, and the consumption of described water reducer is 0.3-0.5 weight part, the consumption of described hardening accelerator is 0.5-0.8 weight part, and the consumption of described calcium nitrite is 1-3 weight part.
6. preparation method according to claim 5, wherein, the particle diameter of described slag is not more than 4 μm.
7. the preparation method according to claim 5 or 6, wherein, described water reducer is selected from calcium lignin sulphonate and/or sodium lignosulfonate.
8. the preparation method according to claim 5 or 6, wherein, described hardening accelerator be selected from sodium sulfate, Sulfothiorine, Tai-Ace S 150 and aluminum potassium sulfate one or more.
9. the preparation method according to claim 5 or 6, wherein, described mixing meets the following conditions: mixing time is 20-40min, and mixing temperature is 15-35 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410685432.0A CN104478319A (en) | 2014-11-24 | 2014-11-24 | Dry mixing waterproof and anti-freezing mortar and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410685432.0A CN104478319A (en) | 2014-11-24 | 2014-11-24 | Dry mixing waterproof and anti-freezing mortar and preparation method thereof |
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| CN104478319A true CN104478319A (en) | 2015-04-01 |
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| CN201410685432.0A Pending CN104478319A (en) | 2014-11-24 | 2014-11-24 | Dry mixing waterproof and anti-freezing mortar and preparation method thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101538136A (en) * | 2009-04-29 | 2009-09-23 | 华南理工大学 | Premixing mortar with high moisture retention and production method thereof |
| CN102030504A (en) * | 2010-11-03 | 2011-04-27 | 张斌 | Method for preparing two-component pre-mixed mortar by mixing twice |
| CN102093006A (en) * | 2010-12-28 | 2011-06-15 | 济南高新区工业废弃物利用研发中心 | Fly ash dry-mixed mortar |
| CN102815913A (en) * | 2012-08-09 | 2012-12-12 | 江苏尼高科技有限公司 | Dry-mixed pre-mixed mortar prepared by alkali activated slag cement, and preparation method thereof |
-
2014
- 2014-11-24 CN CN201410685432.0A patent/CN104478319A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101538136A (en) * | 2009-04-29 | 2009-09-23 | 华南理工大学 | Premixing mortar with high moisture retention and production method thereof |
| CN102030504A (en) * | 2010-11-03 | 2011-04-27 | 张斌 | Method for preparing two-component pre-mixed mortar by mixing twice |
| CN102093006A (en) * | 2010-12-28 | 2011-06-15 | 济南高新区工业废弃物利用研发中心 | Fly ash dry-mixed mortar |
| CN102815913A (en) * | 2012-08-09 | 2012-12-12 | 江苏尼高科技有限公司 | Dry-mixed pre-mixed mortar prepared by alkali activated slag cement, and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 刘连新等著: "《高原环境建筑材料》", 31 January 2010, 中国建材工业出版社 * |
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