CN106478027A - A kind of ground mortar composition - Google Patents
A kind of ground mortar composition Download PDFInfo
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- CN106478027A CN106478027A CN201610952663.2A CN201610952663A CN106478027A CN 106478027 A CN106478027 A CN 106478027A CN 201610952663 A CN201610952663 A CN 201610952663A CN 106478027 A CN106478027 A CN 106478027A
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- 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
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
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- 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)
- Processing Of Solid Wastes (AREA)
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
- Soil Conditioners And Soil-Stabilizing Materials (AREA)
Abstract
The present invention relates to building material technical field, specifically discloses a kind of ground mortar composition.The composition is comprising component A and component B；Regeneration aggregate of described component A comprising the cement for taking up an area facing sand slurry composition total weight 15 30% and occupation of land facing sand slurry composition total weight 45 65%；Described component B is comprising the flyash for taking up an area facing sand paste composition gross weight 13 20%, take up an area the water-loss reducer of facing sand paste composition gross weight 0.09 0.15%, take up an area the water reducer of facing sand paste composition gross weight 0.9 1.5%, take up an area the latex powder of facing sand paste composition gross weight 0.9 1.5%, take up an area the exciting agent of facing sand paste composition gross weight 0.6 1.2% and the silicon ash of occupation of land facing sand paste composition gross weight 3 5%.The ground mortar prepared by said composition has extraordinary mechanical property and water-retaining property；Described composition effectively reduces the manufacture composition of ground mortar with regeneration aggregate, ordinary cement, flyash etc. as primary raw material, while realizing building waste to recycle reduction environmental pollution.
Description
Technical field
The present invention relates to building material technical field, and in particular to a kind of ground mortar 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, realize an Important Action of sustainable development.But wet mixing mortar is added water in production link because of which, from properties of product
Say, inappositely the characteristic of facing sand slurry and construction requirement, 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 nothing autonomy, complicated construction technique, matter
Being also its defect that cannot overcome amount hidden danger more.By contrast, dry-mixed mortar nothing flexible and convenient to use is wasted, and product is easy to more
Newly, upgrade, meet the needs of various novel wall material performances and mechanical execution technique, the utilization to building waste can be alleviated
City is teared down and built the building waste of generation and place is stacked and environmental protection pressure.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.While 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 by entrucking, larger to the time effects of storage tank dnockout, storage tank blanking, the requirement to transport vehicle is higher, has been significantly greatly increased
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, for the above-mentioned technology for overcoming existing premixing dry mixing ground mortar to exist
Problem, provides a kind of ground mortar composition.
Above-mentioned technical problem to be solved by this invention is achieved by the following technical programs：
A kind of ground mortar composition, it is characterised in that comprising component A and component B；Described component A is comprising cement and again
Raw aggregate；Described component B includes flyash, water-loss reducer, water reducer, latex powder, exciting agent and silicon ash；
Described component A is total with composition comprising the cement and occupation of land facing sand slurry for taking up an area facing sand slurry composition total weight 15-30%
The regeneration aggregate of weight 45-65%；
Described component B takes up an area facing sand paste composition gross weight comprising the flyash for taking up an area facing sand paste composition gross weight 13-20%
The water-loss reducer of amount 0.09-0.15%, takes up an area the water reducer of facing sand paste composition gross weight 0.9-1.5%, takes up an area facing sand paste composition
The latex powder of gross weight 0.9-1.5%, takes up an area the exciting agent of facing sand paste composition gross weight 0.6-1.2% and takes up an area facing sand slurry group
The silicon ash of compound gross weight 3-5%.
Flyash mix can the preferable workability that must improve ground mortar and endurance quality, and becoming for ground mortar can be reduced
This.
Inventor gropes to find that passing through addition flyash in composition of the present invention can be relatively through substantial amounts of test
Workability and the endurance quality of ground mortar must be improved well；Additionally, one side flyash is cheap, can effectively reduce enterprise's life
Cost is produced, improves enterprise profit；On the other hand flyash can be solved the drawbacks such as land occupation, welding is stacked, with fine
Environmental benefit.
Described regeneration aggregate is formed by the concrete in waste material of buildings, mortar, stone, brick and tile etc. are size-reduced.
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, through powdery and granular material stirring after due to
Its respective attribute is different, the secondary separation that powder and particle may all occur during storage, transport, use, that is, isolate.
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 to dry-mixed
The end product quality of mortar and construction efficiency.Due to the presence for isolating, cause in transportation powder mixture state to dress
Car, higher to storage tank dnockout, the time of storage tank blanking, pressure requirements, the silo of building site storage is required higher, so as to cause to do
Sand cutting slurry high expensive and performance can not reach expection.And the present invention provide ground mortar composition be divided into component A,
B bi-component by the fine powders such as flyash and the meal such as cement and regeneration aggregate using being front retained separately, effectively can overcome due to
Isolate and cause the problem of unstable properties, reduce dry powder to the requirement that transports and manage, reduce production cost and guarantee
The performance of premixing slurry.Further, since the present invention is divided into component A and B, it is convenient to first by B component in use
Water-loss reducer first mix uniform with the material mixing such as flyash after, then mix with component A, and so obtained in ground mortar water conservation
Property, that the performance such as mobility, shearing strength and compression strength is superior to water-loss reducer is directly mixed with floor sands obtained in raw material such as cement
Slurry.
Preferably, described water reducer is DH-4004 type polycarboxylate high performance water-reducing agent.
Preferably, described water-loss reducer is guar gum；Described latex powder is redispersable latex powder；Described exciting agent
For lauryl sodium sulfate.
Preferably, regeneration aggregate of the described regeneration aggregate for particle diameter less than or equal to 4.75mm.
It is highly preferred that described regeneration aggregate is regeneration aggregate that particle diameter is 1-4.75mm.
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 ground mortar for obtaining is better than ground mortar performance prepared by natural river sand；The formula not only can slow down current building trade
The imbalance between supply and demand of middle natural sand, and building waste can also be effectively realized recycle, it is to realize having for " green building " row
The method of limit.
A kind of preparation method of ground mortar, comprises the steps of：First component B is stirred, then mixes with component A,
The stirring that finally adds water is obtained final product.
Beneficial effect：The invention provides a kind of ground mortar composition of brand-new formula, is prepared into by said composition
To ground mortar 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 ground mortar, while realizing building waste to recycle reduction ring
Border is polluted.
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
Ground mortar 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 DH-4004 type polycarboxylate high performance water-reducing agent）, 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：15%；Regeneration aggregate：65%；Flyash：13%；Water-loss reducer：0.09%；Water reducer：0.9%；Latex powder：1.5%；Swash
Send out agent：0.51%, silicon ash 4%.
The preparation method of ground mortar：First component B is stirred, then mix with component A, finally plus appropriate water
Stirring is obtained final product.
Embodiment 2
Ground mortar 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 DH-4004 type polycarboxylate high performance water-reducing agent）, 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：15%；Regeneration aggregate：65%；Flyash：13%；Water-loss reducer：0.15%；Water reducer：1.5%；Latex powder：1.5%；Swash
Send out agent：0.85%, silicon ash 3%.
The preparation method of ground mortar：First component B is stirred, then mix with component A, finally plus appropriate water
Stirring is obtained final product.
Embodiment 3
Ground mortar 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 DH-4004 type polycarboxylate high performance water-reducing agent）, 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：23%；Regeneration aggregate：50%；Flyash：20%；Water-loss reducer：0.15%；Water reducer：1.5%；Latex powder：1.15%；Swash
Send out agent：1.2%, silicon ash 3%.
The preparation method of ground mortar：First component B is stirred, then mix with component A, finally plus appropriate water
Stirring is obtained final product.
Embodiment 4
Ground mortar 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 DH-4004 type polycarboxylate high performance water-reducing agent）, 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：30%；Regeneration aggregate：45%；Flyash：16.9%；Water-loss reducer：0.1%；Water reducer：0.9%；Latex powder：1. 5%；
Exciting agent：0.6%, silicon ash 5%.
The preparation method of ground mortar：First component B is stirred, then mix with component A, finally plus appropriate water
Stirring is obtained final product.
Embodiment 5
Ground mortar 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 DH-4004 type polycarboxylate high performance water-reducing agent）, 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：15%；Regeneration aggregate：65%；Flyash：14%；Water-loss reducer：0.1%；Water reducer：1.4%；Latex powder：0.9%；Excite
Agent：0.6%, silicon ash 3%.
The preparation method of ground mortar：First component B is stirred, then mix with component A, finally plus appropriate water
Stirring is obtained final product.
Embodiment 6
Ground mortar 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 DH-4004 type polycarboxylate high performance water-reducing agent）, 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：15.25%；Regeneration aggregate：56%；Flyash：20%；Water-loss reducer：0.15%；Water reducer：1.5%；Latex powder：0.9%；
Exciting agent：1.2%, silicon ash 5%.
The preparation method of ground mortar：First component B is stirred, then mix with component A, finally plus appropriate water
Stirring is obtained final product.
Embodiment 7
Ground mortar 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 DH-4004 type polycarboxylate high performance water-reducing agent）, 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：14%；Regeneration aggregate：65%；Flyash：13%；Water-loss reducer：0.1%；Water reducer：0.95%；Latex powder：0.95%；Swash
Send out agent：1.1%, silicon ash 5%.
The preparation method of ground mortar：First component B is stirred, then mix with component A, finally plus appropriate water
Stirring is obtained final product.
Embodiment 8
Ground mortar 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 DH-4004 type polycarboxylate high performance water-reducing agent）, 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：16%；Regeneration aggregate：57%；Flyash：20%；Water-loss reducer：0.1%；Water reducer：0.9%；Latex powder：0.9%；Excite
Agent：0.9%, silicon ash 3.2%.
The preparation method of ground mortar：First component B is stirred, then mix with component A, finally plus appropriate water
Stirring is obtained final product.
Experimental example：
The ground mortar that embodiment 1 ~ 8 is obtained carries out denseness, apparent density, water retention, the test of 2h denseness loss late, and 28d resists
Compressive Strength, test result are shown in Table 1.
Wherein, the method for denseness, water retention, 2h denseness loss late, 28d intensity test is according to JGJ/T70-2009
《Building mortar basic performance tests method standard》Determine.
As a result show, its denseness is 45 ~ 55mm, water retention is all higher than 98.5%, 2h denseness loss late for 12% ~ 16%, 28d
Compression strength is 25 ~ 29 MPa, is satisfied by GB/T25181-2010《Premixing mortar》Middle dry powder ground mortar is to properties
Require.This explanation, the ground mortar prepared by mortar composition in ground of the present invention have very high intensity and water-retaining property.
Claims (7)
1. a kind of ground mortar 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；
Described component A is total with composition comprising the cement and occupation of land facing sand slurry for taking up an area facing sand slurry composition total weight 15-30%
The regeneration aggregate of weight 45-65%；
Described component B takes up an area facing sand paste composition gross weight comprising the flyash for taking up an area facing sand paste composition gross weight 13-20%
The water-loss reducer of amount 0.09-0.15%, takes up an area the water reducer of facing sand paste composition gross weight 0.9-1.5%, takes up an area facing sand paste composition
The latex powder of gross weight 0.9-1.5%, takes up an area the exciting agent of facing sand paste composition gross weight 0.6-1.2% and takes up an area facing sand slurry group
The silicon ash of compound gross weight 3-5%.
2. mortar composition in ground according to claim 1, it is characterised in that described component A and component B are being used
Before be retained separately.
3. mortar composition in ground according to claim 1, it is characterised in that described water reducer is DH-4004 type
Polycarboxylate high performance water-reducing agent.
4. mortar composition in ground according to claim 1, it is characterised in that described water-loss reducer is guar gum；Institute
The latex powder that states is redispersable latex powder；Described exciting agent is dodecyl sodium sulfate.
5. mortar composition in ground according to claim 1, it is characterised in that described regeneration aggregate is less than for particle diameter
Or the regeneration aggregate equal to 4.75mm.
6. mortar composition in ground according to claim 2, it is characterised in that described regeneration aggregate is 1- for particle diameter
4.75mm regeneration aggregate.
7. a kind of preparation method of ground mortar, it is characterised in that comprise the steps of：First component B is stirred, then
Mix with component A, 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 |
|---|---|---|---|---|
| CN108911638A (en) * | 2018-08-16 | 2018-11-30 | 广东基业长青建筑科技有限公司 | A kind of ground mortar mix packet and preparation method thereof and application method |
| CN111377684A (en) * | 2020-03-19 | 2020-07-07 | 深圳市纳路特建材科技有限公司 | Anti-cracking ground cement mortar |
| CN111825377A (en) * | 2020-06-01 | 2020-10-27 | 金华市中天城建绿色再生资源有限公司 | Method for manufacturing brick-concrete fully-regenerated dry-mixed mortar |
| CN113024195A (en) * | 2021-03-12 | 2021-06-25 | 江苏洋河新城新材料有限责任公司 | Wet-mixed mortar using recycled aggregate and preparation method thereof |
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| CN105367021A (en) * | 2015-11-04 | 2016-03-02 | 桐乡正昶新型材料有限公司 | Production technology for preparing premixed dry-mixed mortar from recycled aggregate |
| 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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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108911638A (en) * | 2018-08-16 | 2018-11-30 | 广东基业长青建筑科技有限公司 | A kind of ground mortar mix packet and preparation method thereof and application method |
| CN108911638B (en) * | 2018-08-16 | 2021-03-19 | 广东基业长青建筑科技有限公司 | Ground mortar combined bag and preparation method and using method thereof |
| CN111377684A (en) * | 2020-03-19 | 2020-07-07 | 深圳市纳路特建材科技有限公司 | Anti-cracking ground cement mortar |
| CN111825377A (en) * | 2020-06-01 | 2020-10-27 | 金华市中天城建绿色再生资源有限公司 | Method for manufacturing brick-concrete fully-regenerated dry-mixed mortar |
| CN113024195A (en) * | 2021-03-12 | 2021-06-25 | 江苏洋河新城新材料有限责任公司 | Wet-mixed mortar using recycled aggregate and preparation method thereof |
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Application publication date: 20170308 |