CN106495612A - A kind of motar composition - Google Patents
A kind of motar composition Download PDFInfo
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- CN106495612A CN106495612A CN201610952879.9A CN201610952879A CN106495612A CN 106495612 A CN106495612 A CN 106495612A CN 201610952879 A CN201610952879 A CN 201610952879A CN 106495612 A CN106495612 A CN 106495612A
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- Prior art keywords
- motar
- component
- composition
- water
- regeneration aggregate
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/04—Portland cements
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/20—Mortars, concrete or artificial stone characterised by specific physical values for the density
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The present invention relates to building material technical field, specifically discloses a kind of motar composition.The composition includes component A and component B；Described component A includes cement and regeneration aggregate；Described component B includes flyash, water-loss reducer, water reducer, latex powder, exciting agent and silicon ash.There is extraordinary mechanical property and water-retaining property by the motar that said composition is prepared；Described composition effectively reduces the manufacture composition of motar with regeneration aggregate, ordinary cement, flyash etc. as primary raw material, while realizing that building waste recycles reduction environmental pollution.
Description
Technical field
The present invention relates to building material technical field, and in particular to a kind of motar composition.
Background technology
Mortar is the mortar that brick, stone, building block etc. are bonded to masonry, plays a part of to transmit load, is the important of masonry
Part.Conventional hybrid mortar is typically all job site mixing, it is difficult to measures, belongs to hydraulic cement again, substantially not
Participate in hydration, cause mortar impervious poor, shrink greatly, be plaster cracking, flake, the construction quality such as seepage lead to pathogenetic
Weak link.Meanwhile, on-the-spot purchasing, other side's raw material and non-accurate the configuration of metering mortar inevitably result in serious waste
With pollution construction environment, it is unfavorable for that civilized construction and labourer's is healthy.
Cancel live mixing mortar, the premixing mortar using industrialized production is imperative, it is to ensure architectural engineering matter
Amount, improve construction modernization level, realize comprehensive utilization of resources, reduce municipal pollution, improve atmospheric environment, develop in bulk
Cement, an Important Action for realizing sustainable development.But wet mixing mortar adds water in production link because of which, from properties of product
Say, be not suitable for characteristic and the construction requirement of motar, it is impossible to meet requirement of the new wall material to mortar quality, it is impossible to meet labor
The construction requirement of business shortage；Additionally, formulation cost is high, logistics cost is high, scheduling of production is without autonomy, complicated construction technique, matter
Being also its defect that cannot overcome amount hidden danger more.By contrast, dry-mixed mortar is flexible and convenient to use without waste, and product is easy to more
Newly, upgrade, meet the needs of various novel wall material performances and mechanical execution technique, the utilization of building waste can be alleviated
Tear down and build the building waste of generation and place is stacked and environmental protection pressure in city.There are easy to use, long shelf-life, the useless ring of raw material profit
Protect, the advantage such as wide in variety, dry-mixed mortar will be materials for wall developing direction from now on.
But at present premixing dry-mixed mortar production technology is still immature, production-line technique flow process and auxiliary facility not complete
Kind cause dry sand and mortar product to be forced segregation phenomenon very serious.Simultaneously the clay content of sand or content of stone powder too high,
Modulus of fineness is less than normal or bigger than normal the problems such as all easily will also result in dry-mixed mortar isolation, cracking and application property and be deteriorated.Transportation
In be subject to entrucking, larger to the time effects of storage tank dnockout, storage tank blanking, the requirement to transport vehicle is higher, be significantly greatly increased into
This, this is the principal element that premixing dry-mixed mortar can not be fast-developing at home.
Content of the invention
The technical problem to be solved is that the above-mentioned technology in order to overcome existing premixing dry-mixed mortar to exist is asked
A kind of topic, there is provided motar composition.
Above-mentioned technical problem to be solved by this invention is achieved by the following technical programs：
A kind of motar composition, comprising component A and component B；Described component A includes cement and regeneration aggregate；Described
Component B include flyash, water-loss reducer, water reducer, latex powder, exciting agent and silicon ash.
The incorporation of flyash preferable can must improve the workability and endurance quality of dry powder and mortar, and can reduce dry powder and mortar
Cost.
Inventor gropes to find through substantial amounts of test, by adding the flyash can be compared with composition of the present invention
The workability and endurance quality of motar must be improved well；Additionally, one side flyash is cheap, can effectively reduce enterprise's life
Cost is produced, enterprise profit is improved；On the other hand flyash can be solved and stacks the drawbacks such as land occupation, welding, with fine
Environmental benefit.
Described regeneration aggregate be by waste material of buildings in concrete, mortar, stone, brick and tile etc. are size-reduced forms.
Preferably, described component A comprising the cement for accounting for motar composition total weight 15-30% and accounts for plastering sand
Regeneration aggregate of the slurry with composition total weight 40-65%.
Preferably, described component B includes the flyash for accounting for motar composition total weight 15-22%, accounts for motar
The water-loss reducer of composition total weight 0.12-0.18%, accounts for the water reducer of motar composition total weight 1.2-1.8%, accounts for and plaster
The latex powder of cement composition gross weight 0.9-1.5%, accounts for the exciting agent of motar composition total weight 0.6-1.2% and accounts for
The silicon ash of motar composition total weight 3-5%.
Preferably, described regeneration aggregate is regeneration aggregate of the particle diameter less than or equal to 5mm.
It is highly preferred that described regeneration aggregate is regeneration aggregate of the particle diameter less than or equal to 4.75mm.
Most preferably, described regeneration aggregate is the regeneration aggregate of 1-4.75mm for particle diameter.
The present invention is through substantial amounts of it is demonstrated experimentally that the regeneration aggregate system of above-mentioned particle diameter used in formula of the present invention
The standby motar for obtaining is better than mortar performance prepared by natural river sand；The formula not only can slow down day in current building trade
So imbalance between supply and demand of sand, and can also be effectively realized building waste and recycle, is realize " green building " row limited
Method.
Preferably, described component A and component B are using being front retained separately.
Traditional dry-mixed mortar is the mixture of powdery in bulk and granular material, after powdery and granular material stirring
As its respective attribute is different, the secondary separation of powder and particle may all occur, i.e., during storage, transport, use
Isolation.For loading dry-mixed mortar in bulk, mortar has just been produced from mixer beginning, isolation is gone out, and this phenomenon is by extreme influence
End product quality and construction efficiency to dry-mixed mortar.Due to the presence for isolating, cause powder mixture shape in transportation
State to entrucking, higher to storage tank dnockout, the time of storage tank blanking, pressure requirements, the silo that building site stores is required higher, so as to
Cause the high expensive of dry-mixed mortar and performance can not reach expection.And the motar that the present invention is provided is divided into composition
Component A, B bi-component by the meal such as the fine powders such as flyash and cement and regeneration aggregate using being front retained separately, can effective gram
Clothes cause the problem of unstable properties due to isolation, reduce requirement of the dry powder to transporting and manage, reduce production cost and
In turn ensure that the performance of premixing slurry.Further, since the present invention is divided into component A and B, it is convenient to B groups in use first
Water-loss reducer in point first mix uniform with the material mixing such as flyash after, then mix with component A, and so obtained in motar
The performances such as water-retaining property, mobility, shearing strength and compression strength are superior to water-loss reducer and directly mix and smear obtained in the raw materials such as cement
Lime and brick.
Preferably, described water-loss reducer is guar gum.
Preferably, described water reducer is FDN high efficiency water reducing agents；Described latex powder is redispersable latex powder；Described
Exciting agent be lauryl sodium sulfate.
A kind of preparation method of motar, comprises the steps of：First component B is stirred, then mixed with component A
Close, the stirring that finally adds water is obtained final product.
Beneficial effect：The invention provides a kind of motar composition of brand-new formula, is prepared into by said composition
To motar there is extraordinary mechanical property and water-retaining property；Described composition is with regeneration aggregate, ordinary cement, powder
Coal ash etc. is primary raw material, effectively reduces the manufacturing cost of motar, while realizing that building waste recycles reduction ring
Pollute in border.
Specific embodiment
The present invention is explained further below in conjunction with specific embodiment, but embodiment does not do any type of limit to the present invention
Fixed.
Embodiment 1
Motar composition is by component A：42.5 Portland cement of cement, regeneration aggregate（Particle diameter is 4mm）；And group
Divide B：Flyash, water-loss reducer（For guar gum）, water reducer（For I high efficiency water reducing agents of FDN-）, latex powder（For Redispersable latex
Powder）, exciting agent（For lauryl sodium sulfate）, silicon ash；
The percentage by weight of each component is as follows：
Cement：18%；Regeneration aggregate：58.24%；Flyash：16%；Water-loss reducer：0.16%；Water reducer：1.5%；Latex powder：1.5%；
Exciting agent：0.6%, silicon ash 4%.
The preparation method of motar：First component B is stirred, is then mixed with component A, finally plus appropriate water
Stirring is obtained final product.
Embodiment 2
Motar composition is by component A：Cement（For 42.5 Portland cements）, regeneration aggregate（Particle diameter is 4mm）；With
And component B：Flyash, water-loss reducer（For guar gum）, water reducer（For I high efficiency water reducing agents of FDN-）, latex powder（For redispersible breast
Rubber powder）, exciting agent（For lauryl sodium sulfate）, silicon ash；
The percentage by weight of each component is as follows：
Cement：15%；Regeneration aggregate：63%；Flyash：15%；Water-loss reducer：0.18%；Water reducer：1.26%；Latex powder：1.06%；
Exciting agent：0.9%, silicon ash 3.6%.
The preparation method of motar：First component B is stirred, is then mixed with component A, finally plus appropriate water
Stirring is obtained final product.
Embodiment 3
Motar composition is by component A：Cement（For 42.5 Portland cements）, regeneration aggregate（Particle diameter is 4mm）；With
And component B：Flyash, water-loss reducer（For guar gum）, water reducer（For I high efficiency water reducing agents of FDN-）, latex powder（For redispersible breast
Rubber powder）, exciting agent（For lauryl sodium sulfate）, silicon ash；
The percentage by weight of each component is as follows：
Cement：16%；Regeneration aggregate：50%；Flyash：25%；Water-loss reducer：0.18%；Water reducer：1.5%；Latex powder：1.22%；Swash
Send out agent：1.1%, silicon ash 5%.
The preparation method of motar：First component B is stirred, is then mixed with component A, finally plus appropriate water
Stirring is obtained final product.
Embodiment 4
Motar composition is by component A：Cement（For 42.5 Portland cements）, regeneration aggregate（Particle diameter is 4mm）；With
And component B：Flyash, water-loss reducer（For guar gum）, water reducer（For I high efficiency water reducing agents of FDN-）, latex powder（For redispersible breast
Rubber powder）, exciting agent（For lauryl sodium sulfate）, silicon ash；
The percentage by weight of each component is as follows：
Cement：30%；Regeneration aggregate：46.25%；Flyash：15%；Water-loss reducer：0.15%；Water reducer：1.2%；Latex powder：0.9%；
Exciting agent：1.5%, silicon ash 5%.
The preparation method of motar：First component B is stirred, is then mixed with component A, finally plus appropriate water
Stirring is obtained final product.
Embodiment 5
Motar composition is by component A：Cement（For 42.5 Portland cements）, regeneration aggregate（Particle diameter is 4mm）；With
And component B：Flyash, water-loss reducer（For guar gum）, water reducer（For I high efficiency water reducing agents of FDN-）, latex powder（For redispersible breast
Rubber powder）, exciting agent（For lauryl sodium sulfate）, silicon ash；
The percentage by weight of each component is as follows：
Cement：20%；Regeneration aggregate：54%；Flyash：19%；Water-loss reducer：0.18%；Water reducer：1.3%；Latex powder：1.5%；Swash
Send out agent：1.02%, silicon ash 3%.
The preparation method of motar：First component B is stirred, is then mixed with component A, finally plus appropriate water
Stirring is obtained final product.
Embodiment 6
Motar composition is by component A：Cement（For 42.5 Portland cements）, regeneration aggregate（Particle diameter is 4mm）；With
And component B：Flyash, water-loss reducer（For guar gum）, water reducer（For I high efficiency water reducing agents of FDN-）, latex powder（For redispersible breast
Rubber powder）, exciting agent（For lauryl sodium sulfate）, silicon ash；
The percentage by weight of each component is as follows：
Cement：16%；Regeneration aggregate：55%；Flyash：22%；Water-loss reducer：0.12%；Water reducer：1.8%；Latex powder：0.9%；Swash
Send out agent：1.18%, silicon ash 3%.
The preparation method of motar：First component B is stirred, is then mixed with component A, finally plus appropriate water
Stirring is obtained final product.
Embodiment 7
Motar composition is by component A：Cement（For 42.5 Portland cements）, regeneration aggregate（Particle diameter is 4mm）；With
And component B：Flyash, water-loss reducer（For guar gum）, water reducer（For I high efficiency water reducing agents of FDN-）, latex powder（For redispersible breast
Rubber powder）, exciting agent（For lauryl sodium sulfate）, silicon ash；
The percentage by weight of each component is as follows：
Cement：16%；Regeneration aggregate：60%；Flyash：15%；Water-loss reducer：0.18%；Water reducer：1.6%；Latex powder：1.5%；Swash
Send out agent：0.72%, silicon ash 5%.
The preparation method of motar：First component B is stirred, is then mixed with component A, finally plus appropriate water
Stirring is obtained final product.
Embodiment 8
Motar composition is by component A：Cement（For 42.5 Portland cements）, regeneration aggregate（Particle diameter is 4mm）；With
And component B：Flyash, water-loss reducer（For guar gum）, water reducer（For I high efficiency water reducing agents of FDN-）, latex powder（For redispersible breast
Rubber powder）, exciting agent（For lauryl sodium sulfate）, silicon ash；
The percentage by weight of each component is as follows：
Cement：18%；Regeneration aggregate：57%；Flyash：16%；Water-loss reducer：0.15%；Water reducer：1.8%；Latex powder：1.3%；Swash
Send out agent：0.75%, silicon ash 5%.
The preparation method of motar：First component B is stirred, is then mixed with component A, finally plus appropriate water
Stirring is obtained final product.
Experimental example：
The motar that embodiment 1 ~ 8 is obtained carries out denseness, apparent density, water retention, the test of 2h denseness loss late, 28 resistance to compressions
Intensity, test result are shown in Table 1.
Wherein, the method for denseness, apparent density, water retention, 2h denseness loss lates, 28d intensity tests is according to JGJ/
T70-2009《Building mortar basic performance tests method standard》Determine.
As a result show, its denseness be more than 90mm, apparent density between 1850 ~ 2000 kg/m3, water retention
It is 20 ~ 24 MPa that 98.5%, 2h denseness loss late is all higher than for 17% ~ 21%, 28d compression strength, is satisfied by GB/T25181-
2010《Premixing mortar》Requirement of the middle dry-mix to properties.This explanation, by motar composition of the present invention
The motar for preparing has very high intensity and water-retaining property.
Claims (10)
1. a kind of motar composition, it is characterised in that comprising component A and component B；Described component A comprising cement and
Regeneration aggregate；Described component B includes flyash, water-loss reducer, water reducer, latex powder, exciting agent and silicon ash.
2. motar composition according to claim 1, it is characterised in that described component A is comprising accounting for plastering sand
The cement of slurry composition total weight 15-30% and the regeneration aggregate for accounting for motar composition total weight 40-65%.
3. motar composition according to claim 1, it is characterised in that described component B is comprising accounting for plastering sand
The flyash of paste composition gross weight 15-22%, accounts for the water-loss reducer of motar composition total weight 0.12-0.18%, accounts for and plaster
The water reducer of cement composition gross weight 1.2-1.8%, accounts for the latex powder of motar composition total weight 0.9-1.5%, accounts for and smear
The exciting agent of lime and brick composition total weight 0.6-1.2% and account for the silicon ash of motar composition total weight 3-5%.
4. motar composition according to claim 1, it is characterised in that described regeneration aggregate is less than for particle diameter
Or the regeneration aggregate equal to 5mm.
5. motar composition according to claim 4, it is characterised in that described regeneration aggregate is less than for particle diameter
Or the regeneration aggregate equal to 4.75mm.
6. motar composition according to claim 5, it is characterised in that described regeneration aggregate is 1- for particle diameter
4.75mm regeneration aggregate.
7. motar composition according to claim 1, it is characterised in that described component A and component B are being used
Before be retained separately.
8. motar composition according to claim 1, it is characterised in that described water-loss reducer is guar gum.
9. motar composition according to claim 1, it is characterised in that described water reducer is that FDN- I is efficient
Water reducer；Described latex powder is redispersable latex powder；Described exciting agent is lauryl sodium sulfate.
10. a kind of preparation method of motar, it is characterised in that comprise the steps of：First component B is stirred, so
Mix with component A afterwards, the stirring that finally adds water is obtained final product.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107021699A (en) * | 2017-04-13 | 2017-08-08 | 越艳 | Premixing mortar containing building refuse brick tiling fine aggregate and preparation method thereof |
| CN109970409A (en) * | 2019-03-18 | 2019-07-05 | 北京国旺混凝土有限公司 | A kind of commerical ready-mixed concrete and preparation method thereof of high intensity |
| CN112552003A (en) * | 2020-12-11 | 2021-03-26 | 秦红明 | Plastering mortar and preparation method and application thereof |
| CN115353331A (en) * | 2022-07-27 | 2022-11-18 | 南京益夫新材料科技有限公司 | Preparation method of regenerated plastering mortar |
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| CN106007562A (en) * | 2016-05-19 | 2016-10-12 | 四川震强绿舍建材有限公司 | Dry-mixed mortar prepared from construction waste recycled aggregate and preparation method of dry-mixed mortar |
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| CN101857397A (en) * | 2009-04-10 | 2010-10-13 | 同济大学 | Method for preparing dry-mixed mortar from construction waste fine aggregate |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107021699A (en) * | 2017-04-13 | 2017-08-08 | 越艳 | Premixing mortar containing building refuse brick tiling fine aggregate and preparation method thereof |
| CN109970409A (en) * | 2019-03-18 | 2019-07-05 | 北京国旺混凝土有限公司 | A kind of commerical ready-mixed concrete and preparation method thereof of high intensity |
| CN112552003A (en) * | 2020-12-11 | 2021-03-26 | 秦红明 | Plastering mortar and preparation method and application thereof |
| CN115353331A (en) * | 2022-07-27 | 2022-11-18 | 南京益夫新材料科技有限公司 | Preparation method of regenerated plastering mortar |
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