CN104211340B - Building block premixing mortar and production method thereof - Google Patents
Building block premixing mortar and production method thereof Download PDFInfo
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- CN104211340B CN104211340B CN201410454606.2A CN201410454606A CN104211340B CN 104211340 B CN104211340 B CN 104211340B CN 201410454606 A CN201410454606 A CN 201410454606A CN 104211340 B CN104211340 B CN 104211340B
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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
Abstract
The present invention relates to a kind of building block premixing mortar and production method thereof, it is characterized in that: it comprises the raw material of following parts by weight: wherein, artificial sand 60-70 part, cement 12-13 part, II level flyash 10-12 part, cold cut polyvinyl alcohol powder 0.5-1 part, additive 0.1-0.5 part. Building block premixing mortar of the present invention can significantly improve bonding force, tensile bond strength, the compression strength of building block, and the performance such as impermeability, crack resistance, reducing property and water retention, possess service behaviour excellence, easily pumping, the easy good workability such as closely knit simultaneously.
Description
Technical field
The invention belongs to the manufacture field of premixing mortar, particularly relate to a kind of premixing that is widely used in building building blockMortar and production method thereof.
Background technology
Mortar be in architectural engineering application quantity large, use one of wide construction material, be widely used in the block of buildingBuild and the engineering such as wipe one's face. In the current architectural engineering of China, 60% above building is still being continued to use the materials for wall such as brick, building block, buildsThe building mortar of building, use in plastering construction is still taking cement mortar or mixed mortar as main.
Along with the raising that building industry technological progress and civilized construction require, on-the-spot mixing mortar demonstrates its intrinsic lacking day by dayFall into, as unstable in mortar quality, waste of material is large, mortar kind is single, civilized construction degree is low and contaminated environment etc. CauseThis, adopt the premixing mortar of suitability for industrialized production imperative, and it is to ensure construction engineering quality, raising construction modernizationPut down, realize comprehensive utilization of resources, reduce municipal pollution, improve atmospheric environment, Bulk Cement, realize the item of sustainable developmentTangible measure.
In addition, at present the annual building sand of China approximately needs 600,000,000 t left and right, most regional use be natural river sand. NaturalRiver sand resource is a kind of local supplies, at short notice non-renewable and unsuitable long-distance transportation. Along with Environment Protection PolicyImplement, simultaneously because the exhaustive exploitation of natural river sand can damage ecological environment, the many areas of China start limit and adopt or prohibitAdopt natural river sand, available natural river sand a resource shrinkage, Quality Down and the price of sand are more and more higher. And along with urban construction pacesQuickening, the building waste after old room is removed is more and more, processes these building wastes and will expend a large amount of manpower and materials, and dirtyDye environment.
The quality of brickwork for ensure brick masonry structure building globality, resistance to compression, to cut intensity and rigidity etc. all straightConnect and play an important role. And current brickwork quality, compared with the following subject matter of ubiquity: one, sand dress intensity shakinessIn the mixed masonry of fixed, kind, mortar is one of masonry composition material, and mortar strength is unstable, masonry bearing capacity is had very largeRelation, can not ensure body of wall entirety, resistance to compression, rigidity property. Two, mortar workability is poor, to sink to the bottom knot hard, is mainly manifested in mortarDenseness and water-retaining property discord regulation, easily produce precipitation and bleeding scene, spreads out and puts on and comparatively difficulty of shove, affects masonry quality.Three, mortar bonding strength is inadequate, because mortar is and an entirety of the common formation of basic unit, as motar and materials for wall bondingForm a face wall, ground mortar and floor etc. are bonded together and form one deck terrace together, and some mortars are directly to be bonded asApplication target, if masonry mortar is that various bricks, building block etc. are bonded to an entirety etc., thereby adhesion strength is one of mortarVery important performance. Adhesion strength will cause masonry to produce hollowing, cracking, obscission not.
Summary of the invention
The object of this invention is to provide a kind of bonding force, tensile bond strength, compression strength that can significantly improve building block, withAnd the performance such as impermeability, crack resistance, reducing property and water retention, possess service behaviour excellence, easily pumping, easily closely knit etc. good simultaneouslyBuilding block premixing mortar and the production method thereof of workability.
The present invention is achieved in that
A kind of building block premixing mortar, is characterized in that, it comprises the raw material of following parts by weight: wherein, and artificial sand 60-0.1-0.5 part of 70 part, 10-12 parts of cement, 8-10 parts, II level flyash, cold cut polyvinyl alcohol powder 0.5-1 part, additive.
The above cold cut polyvinyl alcohol powder is milled and make through deep cooling by partial alcoholysis type polyvinyl alcohol.
Above-described additive comprises the raw material of following weight ratio, high-performance polycarboxylic acids water reducing agent: ferric trichloride: grapeSodium saccharate: defoamer: the weight ratio of air entraining agent is 50-55:15-20:5-10:2:0.5, described high-performance poly carboxylic acid subtractsAqua is polyester-type structure; Or polyether-type structure.
Above-described air entraining agent is black liquid and molasses reactant liquor, and its preparation method is: solid content is 40-60%1 part of black liquid weight adds the strong sulfuric acid response 0.5-1 hour of the 70-90% of 1 part of weight to obtain with 1 part of cane molasses weight.
Above-described artificial sand serve as reasons discarded building waste residue, metallurgical slag, ore, refractory material, bauxite grog,Diamond dust and frit through fragmentation, sand processed, dry, after the screening of 1.2mm sieve aperture, make.
The weight percentage of the stone flour of above-described artificial sand is 8-15%.
The production method of building block premixing mortar of the present invention, comprises the following steps: by artificial sand, cement, II level flyash, meritAfter energy property auxiliary agent, additive weigh by weight, first II level flyash, functional aid and additive are put into mixer and enterRow is uniformly mixed, then adds mixer to be uniformly mixed cement, enters into after finally adding mixer to be uniformly mixed artificial sandIn product packing jar, test package, obtains product.
The present invention adopts the high-performance polycarboxylic acids water reducing agent of two types, and a kind of taking main chain as methacrylic acid, side chain isHydroxy-acid group and MPEG (Methoxypolyethyleneglycol), polyester-type structure; Another for main chain be polypropyleneAcid, side chain is Vinylalcoholpolyethyleneglycol, polyether-type structure; Consolidating of high-performance polycarboxylic acids water reducing agentContent is 40%.
The substantive distinguishing features that the present invention is outstanding and significant progress are:
1, the suitability for industrialized production of building block premixing mortar of the present invention is guaranteed the quality of mortar, has simplified construction existingThe preparation link of field, has improved the working environment of job site greatly, has improved the quality of building, has more saved a large amount of peoplePower. Meanwhile, utilize flyash to save the energy, reduce environmental pollution; Can, with how much getting how many, avoid on-the-spot material at building-siteWaste; In addition, can reduce the pollution of building site noise and airborne dust, promote the construction in civilized building site.
2, the cold cut polyvinyl alcohol powder of building block premixing mortar of the present invention is a kind of water-soluble environment protective type white powder, hasGood bonding force, tensile bond strength and compression strength.
3, the additive of building block premixing mortar of the present invention can significantly improve mortar impermeability, crack resistance, reducing property,Water retention, impervious rank reaches 12 grades, can make between mortar particle bonding more closely and form parcel and reach the impervious while canReduce and shrink more than 30%, especially, under adverse circumstances, can reduce contraction, this is very important for effective control cracking.
4, building block premixing mortar early strength development of the present invention is rapid, even if also only need in the winter time shorter maintenance agePhase, ensure engineering progress speed; There is long-term durability; Resistance to chemical corrosion is strong, can be used in various special engineerings; ItOn high water reducing rate, high strength basis, possess service behaviour excellence, easily pumping, the easy good workability such as closely knit simultaneously.
5, the present invention selects air entraining agent and defoamer effect are good, particularly adopt black liquid and molasses reactant liquor, becomeThis is low, can carry out twice laid. In black liquid, contain a large amount of lignin, can be supported after adding sulfuric acid reaction with molassesThe material of imperial hydrone infiltration, makes mortar produce certain dope in addition, is not easy cracking.
6, air entraining agent of the present invention also utilizes sugar and the inorganic salts that black liquid itself contains, and wherein sugar can subtractThe crack producing due to aquation temperature rise in few hardened mortar, favourable to improving mortar impermeability; Inorganic salts composition makes mortarBe conducive to improve the compression strength of mortar early by force.
7, the artificial sand in building block premixing mortar of the present invention and utilization of fly ash ironworks waste residue, desulfurization ash and slag,Industrial tailings and discarded building waste residue, metallurgical slag, ore, refractory material, bauxite grog, diamond dust and frit etc.General industrial solid waste is made, and can reduce the use to natural sand, and the comprehensive utilization of industrial waste is not only to promote societySustainable development, and Circular Economy has been played to great effect.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is made the following instructions.
Embodiment 1
(1) raw material and weight:
60 parts of artificial sands, 10 parts of cement, 8 parts, II level flyash, 0.5 part, cold cut polyvinyl alcohol powder, 0.1 part of additive;
Described additive comprises the raw material of following weight ratio: high-performance polycarboxylic acids water reducing agent: ferric trichloride: gluconic acidSodium: defoamer: the weight ratio of air entraining agent is 50:15:5:2:0.5, described high-performance polycarboxylic acids water reducing agent, is polyester-type knotStructure; Or polyether-type structure.
(2) make
After above-mentioned artificial sand, cement, II level flyash, functional aid, additive are weighed by weight, first by IILevel flyash, functional aid and additive are put into mixer and are uniformly mixed, then add mixer to be uniformly mixed cement,After finally adding mixer to be uniformly mixed artificial sand, enter in finished product packing tank, test package, obtains product, of the present invention pre-Sand cutting slurry only need add the water that accounts for mortar total amount 12-16% in use, stirs and can use.
Embodiment 2
(1) raw material and weight:
65 parts of artificial sands, 11 parts of cement, 9 parts, II level flyash, 0.6 part, cold cut polyvinyl alcohol powder, 0.3 part of additive;
Described additive comprises the raw material of following weight ratio: high-performance polycarboxylic acids water reducing agent: ferric trichloride: gluconic acidSodium: defoamer: the weight ratio of air entraining agent is 52:16:6:2:0.5, described high-performance polycarboxylic acids water reducing agent, is polyester-type knotStructure; Or polyether-type structure.
(2) make
After above-mentioned artificial sand, cement, II level flyash, functional aid, additive are weighed by weight, first by IILevel flyash, functional aid and additive are put into mixer and are uniformly mixed, then add mixer to be uniformly mixed cement,After finally adding mixer to be uniformly mixed artificial sand, enter in finished product packing tank, test package, obtains product, of the present invention pre-Sand cutting slurry only need add the water that accounts for mortar total amount 12-16% in use, stirs and can use.
Embodiment 3
(1) raw material and weight:
668 parts of artificial sands, 11 parts of cement, 9 parts, II level flyash, 0.8 part, cold cut polyvinyl alcohol powder, 0.4 part of additive;
Described additive comprises the raw material of following weight ratio: high-performance polycarboxylic acids water reducing agent: ferric trichloride: gluconic acidSodium: defoamer: the weight ratio of air entraining agent is 54:18:8:2:0.5, described high-performance polycarboxylic acids water reducing agent, is polyester-type knotStructure; Or polyether-type structure.
(2) make
After above-mentioned artificial sand, cement, II level flyash, functional aid, additive are weighed by weight, first by IILevel flyash, functional aid and additive are put into mixer and are uniformly mixed, then add mixer to be uniformly mixed cement,After finally adding mixer to be uniformly mixed artificial sand, enter in finished product packing tank, test package, obtains product, of the present invention pre-Sand cutting slurry only need add the water that accounts for mortar total amount 12-16% in use, stirs and can use.
Embodiment 4
(1) raw material and weight:
70 parts of artificial sands, 12 parts of cement, 10 parts, II level flyash, 1 part, cold cut polyvinyl alcohol powder, 0.5 part of additive;
Described additive comprises the raw material of following weight ratio: high-performance polycarboxylic acids water reducing agent: ferric trichloride: gluconic acidSodium: defoamer: the weight ratio of air entraining agent is 55:20:10:2:0.5, described high-performance polycarboxylic acids water reducing agent, is polyester-type knotStructure; Or polyether-type structure.
(2) make
After above-mentioned artificial sand, cement, II level flyash, functional aid, additive are weighed by weight, first by IILevel flyash, functional aid and additive are put into mixer and are uniformly mixed, then add mixer to be uniformly mixed cement,After finally adding mixer to be uniformly mixed artificial sand, enter in finished product packing tank, test package, obtains product, of the present invention pre-Sand cutting slurry only need add the water that accounts for mortar total amount 12-16% in use, stirs and can use.
Engineering example
Dragon pond, Heng County, Nanning City new city the second stage of the project project, overall floorage 190,000 m2, the building block of building body of wall adopts thisThe building block premixing mortar of invention, construction quality is good, setting time, denseness, water retention, compression strength, tensile bond strength, receiptsThe performances such as shrinkage are up to standard, and between the operating period, without hollowing, cracking, obscission, user is without any complaint problem.
The key technical indexes of the present invention:
Setting time, denseness, water retention, compression strength, tensile bond strength, the contraction of premixing mortar of the present invention are describedThe technical indicators such as rate all meet national standard and professional standard.
Tradition mortar and premixing mortar Comprehensive Correlation:
| Tradition mortar | Premixing mortar | |
| Stir | On-the-spot staff compounding and stirring cause quality unstable, are difficult to control service time, often have the scene increase of wateringThe phenomenon of plasticity, causes slurry quality to reduce. | Factory's premixing, without on-the-spot compounding, only need add amount of water slightly to make mix, and enough makesWith the time, can use large-scale professional mixing plant. |
| Construction | Often need a large amount of basal planes to water or interface processing, can not carry out mechanical execution, labour intensity is high, constructionEfficiency is low, strong to workmen's technology dependence, easily produces tenesmus distortion and will, to a point multilayer construction, needWant water seasoning. | Bottom need not be processed especially, can mechanical execution, and efficiency is high, and slurry itself has stronger going outViscous force, reduces slurry and is scattered, and has good application property and anti-tenesmus performance, water retention propertyExcellent. |
| Quality | High shrinkage, often produces crack, and short texture easily produces seepage, with bottom cohesive force a little less than, hollowingRate is high. | Reduce crack, have higher cohesive force with bottom, not hollowing, compared with low-shrinkage, high fine and closeProperty, impermeability is strong, and durability is high. |
| Loss | Stiction force is poor, and construction is easily scattered, and water holding capacity is poor, easily causes dehydration, air-dry, causes waste. | Adhesion is vertical large, and while reducing construction, slurry is scattered, and loss is extremely low, and moisture holding capacity is strong, is difficult for causing waveTake. |
Claims (2)
1. a building block premixing mortar, is characterized in that, it comprises the raw material of following parts by weight: wherein, and artificial sand 60-70Part, cement 10-12 part, II level flyash 8-10 part, cold cut polyvinyl alcohol powder 0.5-1 part, additive 0.1-0.5 part;
Described cold cut polyvinyl alcohol powder is milled and make through deep cooling by partial alcoholysis type polyvinyl alcohol;
Described additive comprises the raw material of following weight ratio, high-performance polycarboxylic acids water reducing agent: ferric trichloride: gluconic acid sodium salt:Defoamer: the weight ratio of air entraining agent is 50-55:15-20:5-10:2:0.5, described high-performance polycarboxylic acids water reducing agent, is polyesterType structure; Or polyether-type structure;
Described air entraining agent is black liquid and molasses reactant liquor, and its preparation method is: the black liquid that solid content is 40-60%1 part of weight adds the strong sulfuric acid response 0.5-1 hour of the 70-90% of 1 part of weight to obtain with 1 part of cane molasses weight;
Described artificial sand serve as reasons discarded building waste residue, metallurgical slag, ore, refractory material, bauxite grog, diamond dust andFrit through fragmentation, sand processed, dry, after the screening of 1.2mm sieve aperture, make;
The production method of described building block premixing mortar comprises the following steps: by artificial sand, cement, II level flyash, the poly-second of cold cutAfter enol powder, additive weigh by weight, first II level flyash, cold cut polyvinyl alcohol powder and additive are put into mixerBe uniformly mixed, then add mixer to be uniformly mixed cement, enter after finally adding mixer to be uniformly mixed artificial sandIn finished product packing tank, test package, obtains product.
2. building block premixing mortar according to claim 1, is characterized in that: the weight percent of described artificial sand stone flour containsAmount is 8-15%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410454606.2A CN104211340B (en) | 2014-09-09 | 2014-09-09 | Building block premixing mortar and production method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410454606.2A CN104211340B (en) | 2014-09-09 | 2014-09-09 | Building block premixing mortar and production method thereof |
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| CN104211340A CN104211340A (en) | 2014-12-17 |
| CN104211340B true CN104211340B (en) | 2016-06-15 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106316273A (en) * | 2015-06-19 | 2017-01-11 | 郑州春晖建材科技有限公司 | Thin layer plastering mortar |
| CN106316274A (en) * | 2015-06-19 | 2017-01-11 | 郑州春晖建材科技有限公司 | Natural stone binder |
| CN106316272A (en) * | 2015-06-19 | 2017-01-11 | 郑州春晖建材科技有限公司 | Thin layer masonry mortar |
| CN106186956B (en) * | 2016-07-18 | 2018-05-04 | 淮阴工学院 | A kind of preparation method for the dedicated mortar that materials for wall is prepared using discarded object |
| CN106365581B (en) * | 2016-08-31 | 2018-08-31 | 华北水利水电大学 | A kind of High Performance Fiber Reinforced Cement-based composite concrete building structure building block |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102050606A (en) * | 2009-11-10 | 2011-05-11 | 鞍钢房产建设有限公司 | External thermal-insulation dry-mixed mortar of external wall |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102050606A (en) * | 2009-11-10 | 2011-05-11 | 鞍钢房产建设有限公司 | External thermal-insulation dry-mixed mortar of external wall |
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Granted publication date: 20160615 Termination date: 20210909 |