CN104211338A - Crack-resisting composite mortar - Google Patents
Crack-resisting composite mortar Download PDFInfo
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- CN104211338A CN104211338A CN201410428503.9A CN201410428503A CN104211338A CN 104211338 A CN104211338 A CN 104211338A CN 201410428503 A CN201410428503 A CN 201410428503A CN 104211338 A CN104211338 A CN 104211338A
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Abstract
The invention discloses crack-resisting composite mortar which comprises the following components in percent by weight: 25-27 percent of cement, 15-17 percent of coarse sand, 32-34 percent of fine sand, 5-6 percent of ground calcium carbonate, 0.7-0.9 percent of redispersible latex powder, 0.09-0.1 percent of PP fiber and 17-19 percent of water. The crack-resisting composite mortar has the beneficial effects that since multiple components capable of increasing the toughness of the mortar are added and reasonably matched, these components can take effect very well so that the crack-resisting composite mortar is highly waterproof and ensures good toughness and wear resistance.
Description
Technical field
The invention belongs to the realm of building construction, particularly relate to a kind of cracking resistance seam mixed mortar.
Background technology
In existing building operation, no matter be road surface or building, antagonism crack attention all very, road surface or building show to occur that crack is all generally because water-repellancy is not high, so generally one deck waterproof layer can be enclosed on normal concrete shows, but the existing material toughness for waterproof layer and wear resistance all inadequate, easily be damaged by collision, so waterproof layer need do very thick, wear-resisting to ensure, which increase cost.
Summary of the invention
Namely object of the present invention is the deficiency overcoming present technology, provides a kind of cracking resistance to stitch mixed mortar, solves existing road surface and architectural waterproof layer, because preventing from being collided occurs crack, it is very thick that needs do, and makes the defect of high cost.
The present invention is achieved through the following technical solutions: a kind of cracking resistance seam mixed mortar, this mixed mortar comprises by weight: the cement of 25%-27%, the coarse sand of 15%-17%, the fine sand of 32%-34%, the dicalcium powder of 5%-6%, the redispersable latex powder of 0.7%-0.9%, the PP fiber of 0.09%-0.1%, the water of 17%-19%.
In the present invention, to be namely water-ground limestone be dicalcium powder with the Wingdale of high-quality is raw material, and be processed into white powder through lime pulverizing mill, its main component is CaCO3.Coarse whiting has that whiteness is high, purity good, form and aspect are soft and the feature such as chemical composition stability, can increase mixed mortar hardening after whiteness and pulling force, improve toughness, reduce production cost; Redispersable latex powder has extremely outstanding cohesive strength, improve the flexibility of mortar and have the longer open hour, give the alkali resistance that mortar is excellent, improve outside the adhesive binder of mortar, folding strength, water-repellancy, plasticity-, wear resisting property and application property, in Flexible anti-crack mortar, have more stronger snappiness.PP fiber is by polypropylene and multiple organic and inorganic material, refine through special compounding technology and form, product can form the netted support effect of three-dimensional random distribution in concrete, concrete is stopped at the tiny crack that the sclerosis initial stage is formed in evolution, is difficult to further develop.Thus concrete fracture toughness property can be improved, improving concrete anti-crack and anti-seepage performance, is mortar, concrete works cracking resistance, and antiseepage is wear-resisting, the new type ideal material of insulation.The present invention adopts rational configuration, device is strengthened further on waterproof effect, and solidness is strengthened, and toughness is very good.This device only needs to use 4kg on every square metre, and very big the saves material, reduces cost.
Also comprise the W-Co kind admixture of 0.15%-0.17% in the present invention, strengthen intensity of the present invention further.
Further, above-mentioned redispersable latex powder adopts model to be the redispersable latex powder of N2098.
Cracking resistance seam mixed mortar slurry using method, leaves standstill 5-10 minute after being stirred by mixed mortar, after again stirring, can use.After abundant stirring, leave standstill and make each composition in device obtain the time to react, make the present invention can give full play of waterproof, flexible, anti abrasive effect.
The invention has the beneficial effects as follows: by adding the composition of multiple increase toughness of material, these compositions are reasonably arranged in pairs or groups and can be given full play of effect, making material not only high waterproof, also assures that toughness and anti abrasive effect.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail:
A kind of cracking resistance seam mixed mortar, this mixed mortar comprises by weight: the cement of 25%-27%, the coarse sand of 15%-17%, the fine sand of 32%-34%, the dicalcium powder of 5%-6%, the redispersable latex powder of 0.7%-0.9%, the PP fiber of 0.09%-0.1%, the water of 17%-19%.
In the present invention, to be namely water-ground limestone be dicalcium powder with the Wingdale of high-quality is raw material, and be processed into white powder through lime pulverizing mill, its main component is CaCO3.Coarse whiting has that whiteness is high, purity good, form and aspect are soft and the feature such as chemical composition stability, can increase mixed mortar hardening after whiteness and pulling force, improve toughness, reduce production cost; Redispersable latex powder has extremely outstanding cohesive strength, improve the flexibility of mortar and have the longer open hour, give the alkali resistance that mortar is excellent, improve outside the adhesive binder of mortar, folding strength, water-repellancy, plasticity-, wear resisting property and application property, in Flexible anti-crack mortar, have more stronger snappiness.PP fiber is by polypropylene and multiple organic and inorganic material, refine through special compounding technology and form, product can form the netted support effect of three-dimensional random distribution in concrete, concrete is stopped at the tiny crack that the sclerosis initial stage is formed in evolution, is difficult to further develop.Thus concrete fracture toughness property can be improved, improving concrete anti-crack and anti-seepage performance, is mortar, concrete works cracking resistance, and antiseepage is wear-resisting, the new type ideal material of insulation.The present invention adopts rational configuration, device is strengthened further on waterproof effect, and solidness is strengthened, and toughness is very good.This device only needs to use 4kg on every square metre, and very big the saves material, reduces cost.
Also comprise the W-Co kind admixture of 0.15%-0.17% in the present invention, strengthen intensity of the present invention further.
Further, above-mentioned redispersable latex powder adopts model to be the redispersable latex powder of N2098.
Cracking resistance seam mixed mortar slurry using method, leaves standstill 5-10 minute after being stirred by mixed mortar, after again stirring, can use.After abundant stirring, leave standstill and make each composition in device obtain the time to react, make the present invention can give full play of waterproof, flexible, anti abrasive effect.
Claims (4)
1. a cracking resistance seam mixed mortar, it is characterized in that, this mixed mortar comprises by weight: the cement of 25%-27%, the coarse sand of 15%-17%, the fine sand of 32%-34%, the dicalcium powder of 5%-6%, the redispersable latex powder of 0.7%-0.9%, the PP fiber of 0.09%-0.1%, the water of 17%-19%.
2. a kind of cracking resistance seam mixed mortar according to claim 1, is characterized in that, also comprise the W-Co kind admixture of 0.15%-0.17%.
3. a kind of cracking resistance seam mixed mortar according to claim 1, it is characterized in that, described redispersable latex powder adopts model to be the redispersable latex powder of N2098.
4. cracking resistance seam mixed mortar using method, is characterized in that, leave standstill 5-10 minute, after again stirring, can use after being stirred by mixed mortar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410428503.9A CN104211338A (en) | 2014-08-28 | 2014-08-28 | Crack-resisting composite mortar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410428503.9A CN104211338A (en) | 2014-08-28 | 2014-08-28 | Crack-resisting composite mortar |
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| Publication Number | Publication Date |
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| CN104211338A true CN104211338A (en) | 2014-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410428503.9A Pending CN104211338A (en) | 2014-08-28 | 2014-08-28 | Crack-resisting composite mortar |
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| CN (1) | CN104211338A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104829172A (en) * | 2015-04-01 | 2015-08-12 | 浙江忠信新型建材有限公司 | Dry mixed material for wall plastering |
| CN105271983A (en) * | 2015-09-30 | 2016-01-27 | 安徽坤隆新型建材有限公司 | Modified stone flour dry mixed mortar and preparation method thereof |
| CN108975828A (en) * | 2018-09-06 | 2018-12-11 | 福建坪方数建筑材料有限公司 | A kind of fired brick powder premixing dry-mixed mortar |
| CN110818359A (en) * | 2019-12-05 | 2020-02-21 | 广州盈德建筑工程有限公司 | Anti-crack mortar material and preparation method thereof |
| CN110981332A (en) * | 2019-11-19 | 2020-04-10 | 浙江鼎峰科技股份有限公司 | Dry-mixed plastering mortar for building solid waste recycled aggregate and preparation method thereof |
| CN112939539A (en) * | 2021-03-24 | 2021-06-11 | 江西雄宇（集团）有限公司 | Anti-crack mortar dry powder and using method thereof |
| CN113526914A (en) * | 2021-07-20 | 2021-10-22 | 福建省冠昱新型材料有限公司 | Method for preparing anti-crack mortar by using microcrystalline glass |
| WO2023093102A1 (en) * | 2021-11-29 | 2023-06-01 | 上海隆振建筑工程股份有限公司 | Production process for anti-crack mortar |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102786261A (en) * | 2011-05-16 | 2012-11-21 | 李长山 | Preparation method for external wall thermal insulation bottom layer crack resistance polymer mortar |
| CN103058614A (en) * | 2013-01-25 | 2013-04-24 | 山东高阳建材有限公司 | Special thin anti-crack plastering mortar for autoclaved aerated concrete |
| CN103319128A (en) * | 2013-06-18 | 2013-09-25 | 上海宝冶工程技术有限公司 | Anti-crack plaster mortar for outer wall of building and method for preparing anti-crack plaster mortar |
-
2014
- 2014-08-28 CN CN201410428503.9A patent/CN104211338A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102786261A (en) * | 2011-05-16 | 2012-11-21 | 李长山 | Preparation method for external wall thermal insulation bottom layer crack resistance polymer mortar |
| CN103058614A (en) * | 2013-01-25 | 2013-04-24 | 山东高阳建材有限公司 | Special thin anti-crack plastering mortar for autoclaved aerated concrete |
| CN103319128A (en) * | 2013-06-18 | 2013-09-25 | 上海宝冶工程技术有限公司 | Anti-crack plaster mortar for outer wall of building and method for preparing anti-crack plaster mortar |
Non-Patent Citations (1)
| Title |
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| 龚益等: "《纤维混凝土与纤维砂浆施工应用指南》", 30 June 2005, 中国建材工业出版社 * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104829172A (en) * | 2015-04-01 | 2015-08-12 | 浙江忠信新型建材有限公司 | Dry mixed material for wall plastering |
| CN105271983A (en) * | 2015-09-30 | 2016-01-27 | 安徽坤隆新型建材有限公司 | Modified stone flour dry mixed mortar and preparation method thereof |
| CN108975828A (en) * | 2018-09-06 | 2018-12-11 | 福建坪方数建筑材料有限公司 | A kind of fired brick powder premixing dry-mixed mortar |
| CN110981332A (en) * | 2019-11-19 | 2020-04-10 | 浙江鼎峰科技股份有限公司 | Dry-mixed plastering mortar for building solid waste recycled aggregate and preparation method thereof |
| CN110818359A (en) * | 2019-12-05 | 2020-02-21 | 广州盈德建筑工程有限公司 | Anti-crack mortar material and preparation method thereof |
| CN112939539A (en) * | 2021-03-24 | 2021-06-11 | 江西雄宇（集团）有限公司 | Anti-crack mortar dry powder and using method thereof |
| CN113526914A (en) * | 2021-07-20 | 2021-10-22 | 福建省冠昱新型材料有限公司 | Method for preparing anti-crack mortar by using microcrystalline glass |
| WO2023093102A1 (en) * | 2021-11-29 | 2023-06-01 | 上海隆振建筑工程股份有限公司 | Production process for anti-crack mortar |
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Application publication date: 20141217 |