CN102372470A - Preparation method of high-performance mortar - Google Patents
Preparation method of high-performance mortar Download PDFInfo
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- CN102372470A CN102372470A CN2010102598327A CN201010259832A CN102372470A CN 102372470 A CN102372470 A CN 102372470A CN 2010102598327 A CN2010102598327 A CN 2010102598327A CN 201010259832 A CN201010259832 A CN 201010259832A CN 102372470 A CN102372470 A CN 102372470A
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Abstract
The invention belongs to the technical field of building materials, and specifically relates to a preparation method of a high-performance mortar. The mortar is prepared by mechanical mixing of dry mortar and water, wherein the dry mortar is made from cement, an aggregate, an auxiliary material, a nanometer micro-powder, a plasticizer, a surfactant, a thixotropic agent, a coagulation accelerator, a dispersant, an exciting agent, a thickening agent and an anti-cracking agent. The components of the dry mortar are uniformly mixed by a machinery dry stirring mode and are added with water with uniformly mechanical stirring to prepare the high-performance mortar. The compressive strength of the high-performance mortar after 28 days can reach more than 150-200MPa. The high-performance mortar prepared by the dry method in a factory has s compact structure, high compressive strength and abrasive resistance, and simultaneously has good corrosion resistance. The preparation technology provided by the invention is simple and is suitable for large-scale industrial production and application.
Description
Technical field:
The invention belongs to building material technical field, be specifically related to a kind of High Performance Mortar, can be used as dry mortar and use.
Background technology:
Along with change development of science and technology at present, increasingly high to the quality and the durability requirement of construction work, particularly under some special environment conditions, like oceanographic engineering, Nuclear power plants, wind-power electricity generation, military project, heavy-duty machinery manufacturing, saline and alkaline area and nuclear waste disposal etc.
These special engineerings not only require employed mortar early strength high.1 day ultimate compression strength>30Mpa, later strength development rapidly (28 days ultimate compression strength>100Mpa), have simultaneously well wear-resisting with resist hazardous medium erosive ability.
But at present domestic on the construction site the similar ultra-high strength mortar of preparation remain in very big difficulty.In patent documentation (ZL 200610027202.0), " a kind of self compacting high strength mortar " reported that its 28 days ultimate compression strength are 70-90MPa.And in patent documentation (ZL 200710158900.9), then introduced " a kind of preparation method of ultra-high strength mortar ", this ultra-high strength mortar intensity can reach 150MPa.
Summary of the invention:
The object of the present invention is to provide a kind of preparation method of High Performance Mortar; This mortar has good cost performance; Only need add water in the building site stirs and can directly construct; Easy and simple to handle, its ultimate compression strength can reach more than the 150-200MPa, can satisfy under the different special environment conditions requirement to material property and construction quality.
The High Performance Mortar that the present invention proposes is characterized in that raw material is cement 25-65%, aggregate 28-70%, auxiliary material 1-30%, nano level micro mist 1-20%; Fluidizer 0.1-8%, tensio-active agent 0.001-2%, thixotropic agent 0.002-3.5%; Dispersion agent 0.05-5%, exciting agent 0.003-2%, hardening accelerator 0.001-2%; Thickening agent 0.001-1.5%, crack inhibitor 0.01-5%, water are 6.8-16.6%.Each component total amount satisfies 100%.
Cement described in the present invention is silicate cement, ordinary Portland cement, ultra-fine silicate cement, one or more in the aluminate cement.
Aggregate described in the present invention is one or more in Irish touchstone, grouan, diabase, corundum, silit, the silica sand, and aggregate size is between the 5-10 order, 10-20 order, 20-40 order, 40-70 order, 70-140 order.
Auxiliary material described in the present invention is a limestone powder, flyash, one or more in the slag powders.
The micro mist of nano level described in the present invention is the calcium carbonate superfine powder powder, ultrafine slag powder, ultra-fine quartz sand powder, one or more in the super-fine silicon micro-powder.
Fluidizer described in the present invention is a polycarboxylate, like in toxilic acid and the methacrylate one or more.
Tensio-active agent described in the present invention is a fatty alcohol sulfonate, one or more in ethylene glycol polymer and the organosilicon polymer.
Thixotropic agent described in the present invention is for receiving base bentonite, one or more in the calcium-base bentonite.
Dispersion agent described in the present invention is a naphthalene sulfonic acidformaldehyde condensation product, one or more in sulphonate and the sulfonated melamine compound resin.
Exciting agent described in the present invention is a caustic soda, slaked lime, one or more in anhydrite and the dihydrate gypsum.
Thickening agent described in the present invention is a starch ethers, one or more in the ether of cellulose.
Crack inhibitor described in the present invention is a polypropylene fibre, one or more in the steel fiber.
Preparing method of the present invention can be divided into following 2 kinds:
1. the preparation of building-site; Accurately take by weighing various starting material in proportion; Cement, aggregate, auxiliary material, nano level micro mist, fluidizer, tensio-active agent, thixotropic agent, dispersion agent, exciting agent, hardening accelerator, thickening agent and crack inhibitor are added mixing machine, do and stirred 3-15 minute, even to material.Add water then and stirred 10-20 minute, evenly can make High Performance Mortar to material.
2. a factory's dry mortar preparation: accurately take by weighing various starting material in proportion, cement, aggregate (are handled through dry classification in advance! ), auxiliary material, nano level micro mist, fluidizer, tensio-active agent, thixotropic agent, dispersion agent, exciting agent, hardening accelerator, thickening agent and crack inhibitor add dry mixer, stirs, and can make dry mortar.The dry mortar that mixes is carried out metering packing by certain specification, and this packing should possess waterproof and dampproof function is arranged.Using the scene with dry mortar, water mixes in mixing machine in proportion.Can make High Performance Mortar.
The present invention detects department through country, and (ultimate compression strength is with reference to GB/T17671-1999 " strength of cement mortar detection method "; Abrasive wear resistance is with reference to JC/T906-2002 " concrete floor is used the cement based high-abrasive material ") detect; Its 28 days ultimate compression strength can reach 150-200Mpa, and corresponding fastness to rubbing can reach 350-420%.
The present invention has following advantage:
1. in mortar, add water and be stirred to material and evenly can directly use, this mortar good fluidity, compact structure, early strength is high, and the later strength development has good abrasive wear resistance and impervious ability rapidly.
2. used starting material are common commercially available prod, and buying is suitable for extensively promoting the use of easily.
3. for the mortar of existing market, mortar of the present invention has higher ultimate compression strength, and preparation technology is simple simultaneously, is easy to construct at building-site.
Embodiment:
Below in conjunction with embodiment technical scheme of the present invention is further described; All mix stirring and all adopt powerful the stirring; The detection of ultimate compression strength is with reference to GB/T17671-1999 " strength of cement mortar detection method "; The detection of abrasive wear resistance is then with reference to JC/T906-2002 " concrete floor is used the cement based high-abrasive material ", and corresponding curing age is 28 days.
Embodiment 1: mortar raw material and each component raw material per-cent are: silicate cement 525
#26.3%, Irish touchstone 20-40 order 10.2%, silica sand 40-70 order 23.7%, silica sand 70-140 order 13.8%, flyash 1.26%; Calcium carbonate superfine powder powder 1.7%, ultrafine slag powder 2,7%, super-fine silicon micro-powder 5.8%, toxilic acid and XPA 0.25%; Methacrylate 1,22%, fatty alcohol sulfonate 0.003%, ethylene glycol polymer 0.16% is received base bentonite 0.1%; Trolamine 0.05%, naphthalene sulfonic acidformaldehyde condensation product 0.05%, sulphonate 0.05%, sulfonated melamine compound resin 0.24%, caustic soda 0.01%; Anhydrite 0.042%, ether of cellulose 0.015%, polypropylene fibre 0.25%, water 12.1%.
Adopt machine,massing to stir mortar; Churning time is 15 minutes; The mortar that stirs is poured in the die trial, vibrated moulding and maintenance to the length of time by the requirement of GB/T17671-1999 " strength of cement mortar detection method " and JC/T906-2002 " concrete floor is used the cement based high-abrasive material ".
Through test, 28 days ultimate compression strength of this mortar are 153MPa, fastness to rubbing 364%.
Embodiment 2: mortar raw material and each component raw material per-cent are: silicate cement 525
#32.6%, silit 20-40 order 8.7%, silit 40-70 order 9.3%, silit 70-140 order 4.4%, silica sand 40-70 order 14.3%; Silica sand 70-140 order 5.2%, calcium carbonate superfine powder powder 1.52%, ultrafine slag powder 2.4%, super-fine silicon micro-powder 7.4%, toxilic acid and XPA 0.7%; Methacrylate 0.9%, ethylene glycol polymer 0.2%, organosilicon polymer 0.002%, calcium-base bentonite 0.1%, nitrite complex accelerator 0.03%; Naphthalene sulfonic acidformaldehyde condensation product 0.28%, sulphonate 0.06%, slaked lime 0.02%, anhydrite 0.028%; Ether of cellulose 0.01%, polypropylene fibre 0.15%, steel fiber 0.1%, water 11.6%.
Adopt machine,massing to stir mortar; Churning time is 15 minutes; The mortar that stirs is poured in the die trial, vibrated moulding and maintenance to the length of time by the requirement of GB/T17671-1999 " strength of cement mortar detection method " and JC/T906-2002 " concrete floor is used the cement based high-abrasive material ".
Through test, 28 days ultimate compression strength of this mortar are 169MPa, fastness to rubbing 386%.
Embodiment 3: mortar raw material and each component raw material per-cent are: silicate cement 525
#35.8%, corundum 20-40 order 9.8%, corundum 40-70 order 8.1%, corundum 70-140 order 3.8%; Silica sand 40-70 order 11.8%, silica sand 70-140 order 6.2%, calcium carbonate superfine powder powder 1.47%, ultra-fine quartz sand powder 1.8%; Super-fine silicon micro-powder 7.7%, toxilic acid and XPA 1.2%, methacrylate 0.6%, fatty alcohol sulfonate 0.001%; Ethylene glycol polymer 0.2% is received base bentonite 0.05%, trolamine 0.02%, nitrite complex accelerator 0.01%; Naphthalene sulfonic acidformaldehyde condensation product 0.36%, sulfonated melamine compound resin 0.1%, slaked lime 0.01%, anhydrite 0.019%; Ether of cellulose 0.01%, polypropylene fibre 0.15%, steel fiber 0.1%, water 10.7%.
Adopt machine,massing to stir mortar; Churning time is 15 minutes; The mortar that stirs is poured in the die trial, vibrated moulding and maintenance to the length of time by the requirement of GB/T17671-1999 " strength of cement mortar detection method " and JC/T906-2002 " concrete floor is used the cement based high-abrasive material ".
Through test, 28 days ultimate compression strength of this mortar are 183MPa, fastness to rubbing 402%.
Embodiment 4: mortar raw material and each component raw material per-cent are: silicate cement 525
#39.4%, silit 20-40 order 8.8%, silit 40-70 order 19.2%, silit 70-140 order 8.4%, ultra-fine quartz sand powder 1.29%; Ultrafine slag powder 1.21%, super-fine silicon micro-powder 8.7%, toxilic acid and XPA 0.3%, methacrylate 2.1%; Fatty alcohol sulfonate 0.001%, ethylene glycol polymer 0.23%, calcium-base bentonite 0.05%, trolamine 0.02%; Nitrite complex accelerator 0.01%, naphthalene sulfonic acidformaldehyde condensation product 0.15%, sulfonated melamine compound resin 0.4%, slaked lime 0.01%; Anhydrite 0.019%, ether of cellulose 0.01%, steel fiber 0.3%, water 9.4%.
Adopt machine,massing to stir mortar; Churning time is 15 minutes; The mortar that stirs is poured in the die trial, vibrated moulding and maintenance to the length of time by the requirement of GB/T17671-1999 " strength of cement mortar detection method " and JC/T906-2002 " concrete floor is used the cement based high-abrasive material ".
Through test, 28 days ultimate compression strength of this mortar are 197MPa, fastness to rubbing 417%.
Embodiment 5, and mortar raw material and each component raw material per-cent are: silicate cement 525
#44.6%, corundum 20-40 order 8.6%, corundum 40-70 order 16.1%, corundum 70-140 order 7.7%; Calcium carbonate superfine powder powder 0.423%, ultrafine slag powder 0.5%, super-fine silicon micro-powder 9.1%, toxilic acid and XPA 0.5%; Methacrylate 2.51%, fatty alcohol sulfonate 0.001%, ethylene glycol polymer 0.2%, organosilicon polymer 0.01%; Calcium-base bentonite 0.02%, trolamine 0.01%, nitrite complex accelerator 0.01%, naphthalene sulfonic acidformaldehyde condensation product 0.13%; Sulphonate 0.11%, sulfonated melamine compound resin 0.3%, caustic soda 0.005%, dihydrate gypsum 0.01%; Ether of cellulose 0.01%, polypropylene fibre 0.15%, steel fiber 0.3%, water 8.8%.
Adopt machine,massing to stir mortar; Churning time is 15 minutes; The mortar that stirs is poured in the die trial, vibrated moulding and maintenance to the length of time by the requirement of GB/T17671-1999 " strength of cement mortar detection method " and JC/T906-2002 " concrete floor is used the cement based high-abrasive material ".
Through test, 28 days ultimate compression strength of this mortar are 208MPa, fastness to rubbing 426%.
Claims (13)
1. a High Performance Mortar is characterized in that high-performance dry mortar and water form through mechanically mixing.Wherein dry mortar is made up of cement, aggregate, auxiliary material, nano level micro mist, fluidizer, tensio-active agent, thixotropic agent, dispersion agent, exciting agent, hardening accelerator, thickening agent and crack inhibitor.Each weight percent of forming is:
Its total amount satisfies 100%.
2. High Performance Mortar according to claim 1 is characterized in that said cement is silicate cement, ordinary Portland cement, ultra-fine silicate cement, one or more in the aluminate cement.
3. High Performance Mortar according to claim 1 is characterized in that said aggregate is one or more in Irish touchstone, grouan, corundum, silit, the silica sand.
4. High Performance Mortar according to claim 1 is characterized in that said auxiliary material is a limestone powder, flyash, one or more in the slag powders.
5. High Performance Mortar according to claim 1 is characterized in that said nano level micro mist is the calcium carbonate superfine powder powder, ultrafine slag powder, one or more in the super-fine silicon micro-powder.
6. High Performance Mortar according to claim 1 is characterized in that said fluidizer is a polycarboxylate, like in toxilic acid and the methacrylate one or more.
7. High Performance Mortar according to claim 1 is characterized in that said tensio-active agent is one or more in fatty alcohol sulfonate, ethylene glycol polymer and the organosilicon polymer.
8. High Performance Mortar according to claim 1 is characterized in that said thixotropic agent is for receiving base bentonite, one or more in the calcium-base bentonite.
9. High Performance Mortar according to claim 1 is characterized in that said hardening accelerator is trolamine, one or more in the nitrite complex accelerator.
10. High Performance Mortar according to claim 1 is characterized in that said dispersion agent is a naphthalene sulfonic acidformaldehyde condensation product, one or more in sulphonate and the sulfonated melamine compound resin.
11. High Performance Mortar according to claim 1 is characterized in that said exciting agent is a caustic soda, slaked lime, one or more in the gypsum.
12. High Performance Mortar according to claim 1 is characterized in that said thickening agent is a starch ethers, one or more in the ether of cellulose.
13. High Performance Mortar according to claim 1 is characterized in that said crack inhibitor is a polypropylene fibre, one or more in the steel fiber.
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Cited By (23)
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CN102603224A (en) * | 2012-03-23 | 2012-07-25 | 辽宁岩砂晶建材有限公司 | Super-concentrated mortar plasticizer |
CN103288403A (en) * | 2013-06-25 | 2013-09-11 | 桐乡市鸿森建材技术发展有限公司 | Coating mortar for aerated concrete |
CN103304191A (en) * | 2013-06-17 | 2013-09-18 | 大庆市建坤建筑材料有限公司 | Special masonry mortar for insulating building block |
CN103359985A (en) * | 2012-03-29 | 2013-10-23 | 天津港保税区航保商品砼供应有限公司 | Preparation technology of light guide concrete |
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CN104496318A (en) * | 2014-12-20 | 2015-04-08 | 王小波 | Compression-resistant fireproof plaster mortar and preparation method thereof |
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CN104909652A (en) * | 2015-05-26 | 2015-09-16 | 中国人民解放军理工大学 | Penetration-resistant ultra-high performance concrete |
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CN106747124A (en) * | 2017-02-07 | 2017-05-31 | 福州大学 | A kind of very-high performance mortar for building puzzle joint |
CN108439848A (en) * | 2018-05-02 | 2018-08-24 | 合肥市晨雷思建筑材料科技有限公司 | A kind of high performance grout additive and preparation method thereof |
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CN101580369A (en) * | 2009-06-19 | 2009-11-18 | 清华大学 | Fiber reinforced high-strength mortar used for concrete structure repair |
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CN102603224A (en) * | 2012-03-23 | 2012-07-25 | 辽宁岩砂晶建材有限公司 | Super-concentrated mortar plasticizer |
CN103359984B (en) * | 2012-03-29 | 2015-06-24 | 天津港保税区航保商品砼供应有限公司 | Preparation technology of light guide mortar |
CN103359985A (en) * | 2012-03-29 | 2013-10-23 | 天津港保税区航保商品砼供应有限公司 | Preparation technology of light guide concrete |
CN103359984A (en) * | 2012-03-29 | 2013-10-23 | 天津港保税区航保商品砼供应有限公司 | Preparation technology of light guide mortar |
CN103359985B (en) * | 2012-03-29 | 2015-06-24 | 天津港保税区航保商品砼供应有限公司 | Preparation technology of light guide concrete |
CN103304191A (en) * | 2013-06-17 | 2013-09-18 | 大庆市建坤建筑材料有限公司 | Special masonry mortar for insulating building block |
CN103304191B (en) * | 2013-06-17 | 2015-04-29 | 刘彦清 | Special masonry mortar for insulating building block |
CN103288403A (en) * | 2013-06-25 | 2013-09-11 | 桐乡市鸿森建材技术发展有限公司 | Coating mortar for aerated concrete |
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CN104909652A (en) * | 2015-05-26 | 2015-09-16 | 中国人民解放军理工大学 | Penetration-resistant ultra-high performance concrete |
CN104909676A (en) * | 2015-06-08 | 2015-09-16 | 李彩琴 | Concrete for PHC (prestressed high-strength concrete) pipe piles |
CN104926245A (en) * | 2015-06-08 | 2015-09-23 | 李彩琴 | Lightweight aggregate concrete for pipe pile |
CN105016765A (en) * | 2015-07-27 | 2015-11-04 | 江苏溧阳建设集团有限公司 | Corrosion resistant water permeable brick |
CN105016765B (en) * | 2015-07-27 | 2018-08-21 | 江苏溧阳建设集团有限公司 | A kind of corrosion-resistant water-permeable brick |
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CN106630724A (en) * | 2016-10-21 | 2017-05-10 | 中南大学 | Compound admixture for anti-crack limestone powder and preparation method of compound admixture |
CN106673580A (en) * | 2016-12-30 | 2017-05-17 | 北京宝辰联合科技股份有限公司 | Cement-based self-leveling mortar |
CN106747124A (en) * | 2017-02-07 | 2017-05-31 | 福州大学 | A kind of very-high performance mortar for building puzzle joint |
CN108947381A (en) * | 2017-05-22 | 2018-12-07 | 太仓顺如成建筑材料有限公司 | A kind of polymer-modified cement external wall waterproof dry powder and mortar |
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CN110359627A (en) * | 2019-07-17 | 2019-10-22 | 山东和悦生态新材料科技有限责任公司 | Granite powder assembled steam-pressing aero-concrete Self-insulation wall plate |
CN110436848A (en) * | 2019-08-12 | 2019-11-12 | 河南城建学院 | A kind of cement composition, foamed cement slurry, foam concrete pour material and preparation method thereof |
CN111848033A (en) * | 2020-07-15 | 2020-10-30 | 中国水利水电第五工程局有限公司 | Self-compacting ultrahigh-strength mortar and preparation method thereof |
CN111848033B (en) * | 2020-07-15 | 2022-04-19 | 中国水利水电第五工程局有限公司 | Self-compacting ultrahigh-strength mortar and preparation method thereof |
CN113968698A (en) * | 2020-07-22 | 2022-01-25 | 江苏苏博特新材料股份有限公司 | Cement-based grouting material for offshore wind power jacket and application thereof |
CN113968698B (en) * | 2020-07-22 | 2023-09-08 | 江苏苏博特新材料股份有限公司 | Cement-based grouting material for offshore wind power jacket and application thereof |
CN114685120A (en) * | 2022-04-08 | 2022-07-01 | 津士佳(天津)新材料有限公司 | Preparation method of fiber mortar |
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