CN102898100A - Dry-mixed mortar and preparation method thereof - Google Patents
Dry-mixed mortar and preparation method thereof Download PDFInfo
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- CN102898100A CN102898100A CN201210406782XA CN201210406782A CN102898100A CN 102898100 A CN102898100 A CN 102898100A CN 201210406782X A CN201210406782X A CN 201210406782XA CN 201210406782 A CN201210406782 A CN 201210406782A CN 102898100 A CN102898100 A CN 102898100A
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- Prior art keywords
- dry
- mixed mortar
- river sand
- mixed
- mortar
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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
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- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses a formula of a dry-mixed mortar and a preparation technique thereof, belonging to the field of construction materials. The dry-mixed mortar disclosed by the invention is prepared from 10-20% of cement, 5-10% of fly ash, 40-60% of river sand, 20-30% of scrap and 0.02-0.04% of admixture. The preparation method comprises the following steps: after drying, dedusting and screening river sand and scrap, proportioning with cement, fly ash, admixture and the like according to different required grades and types of the construction dry-mixed mortar, mixing, and bagging or loading in bulk. The proportion of the components in the dry-mixed mortar is optimized to obtain the dry-mixed mortar having the advantages of strong shrink resistance, cracking resistance, strong binding power, stable performance and the like. Proper water is mixed with the dry-mixed mortar to obtain a thick mortar; and the evenly mixed thick mortar can be put into use. The invention has excellent properties, is suitable for industrial popularization, effectively utilizes the stone field scrap, saves the consumption of river sand, and conforms to the requirements for new construction development of environmental protection.
Description
Technical field
The present invention relates to a kind of dry-mixed mortar for building, especially a kind of chip that utilizes is as dry-mixed mortar of raw material and preparation method thereof.
Background technology
Along with people improve constantly the requirement of construction quality, environmental requirement and the civilized construction of building, dry-mixed mortar is becoming one of present topmost structure material.The existing dry-mixed mortar that uses at material of construction, river sand volume generally is up to more than 80%, but simultaneously because a large amount of uses of river sand on the material of construction directly cause river sand resource more and more exhausted, is unfavorable for the protection of physical environment.
The stone field can produce a large amount of chips in mining, sandstone pulverizing, piece material grinding, plant produced, a large amount of occupied grounds are contaminate environment again, but in the prior art, directly use chip to substitute river sand, mortar ftractures in drying process easily, can not directly use as material of construction, can't in the field of dry-mixed mortar, be fully utilized.
Summary of the invention
One of purpose of the present invention is in order to overcome the deficiencies in the prior art, a kind of dry-mixed mortar to be provided.
Dry-mixed mortar of the present invention is mixed by the batching of following weight proportion:
Cement: 10～20%;
Flyash: 5～10%;
River sand: 40～60%;
Chip: 20～30%;
Admixture: 0.02～0.04%;
Wherein:
Described flyash is the II level;
Described river sand water content is lower than 0.5%, and particle diameter is less than 5 millimeters;
The stone chip that described chip produces when being mining, water content is lower than 0.5%, and particle diameter is less than 5 millimeters;
Described admixture is ether of cellulose.
For the preparation method of above-mentioned dry-mixed mortar is provided, this dry-mixed mortar comprises component cement, flyash, river sand, chip, admixture, according to the required different grades of building dry-mixed mortar, different model is carried out proportioning, mix, packed or in bulk, it is characterized in that: may further comprise the steps:
(1) oven dry river sand, and sieving, control river sand water content is to being lower than 0.5%, product cut size be controlled at 5 millimeters with
In;
(2) the oven dry chip and sieves, and control chip water content is to being lower than 0.5%, product cut size be controlled at 5 millimeters with
In, stir;
(3) raw materials weighing;
(4) raw material that weighing is good mixes;
(5) metering is packed or in bulk.
Wherein, to mix the time by high-speed dobule-shaft mixer be 3 minutes to raw material.
The present invention is by optimizing each component proportion in the dry-mixed mortar, acquisition has anti-contracility can be strong, freedom from cracking, cohesive force are strong, the dry-mixed mortar of steady performance, the water that dry-mixed mortar is added 13-18% stirs into thick pulpous state, can come into operation after stirring.Superior performance, suitable industry are applied, and have effectively utilized the chip of stone field, have saved the use of river sand, meet the requirement of building environmental protection new development.
Embodiment
Embodiment one: take this strength grade of masonry mortar M10 as example,
(1) oven dry river sand, dedusting is also sieved, control river sand water content to 0.5%, product cut size is controlled in 5 millimeters;
(2) oven dry chip, dedusting is also sieved, and controls the chip water content extremely, and product cut size is controlled in 5 millimeters, stirs;
(3) raw materials weighing, its weight proportion are cement (P.O42.5) 10%, flyash (II level) 9.97%, chip 20%, river sand 60%, admixture 0.03%;
(4) raw material that weighing is good stirred 3 minutes by high-speed dobule-shaft mixer;
(5) metering is packed or in bulk, obtains finished product.
Embodiment two: take this strength grade of masonry mortar M5 as example,
(1) oven dry river sand, dedusting is also sieved, control river sand water content to 0.5%, product cut size is controlled in 5 millimeters;
(2) oven dry chip, dedusting is also sieved, control chip water content to 0.5%, product cut size is controlled in 5 millimeters, stirs;
(3) raw materials weighing, its weight proportion are cement (P.O42.5) 11%, flyash (II level) 10%, chip 24%, river sand 54.96%, admixture 0.04%;
(4) raw material that weighing is good stirred 3 minutes by high-speed dobule-shaft mixer;
(5) metering is packed or in bulk, obtains finished product.
Embodiment three: take this strength grade of motar M5 as example,
(1) oven dry river sand, dedusting is also sieved, control river sand water content to 0.5%, product cut size is controlled in 5 millimeters;
(2) oven dry chip, dedusting is also sieved, control chip water content to 0.5%, product cut size is controlled in 5 millimeters, stirs;
(3) raw materials weighing, its weight proportion are cement (P.O42.5) 12%, flyash (II level) 10%, chip 24%, river sand 53.97%, admixture 0.03%;
(4) raw material that weighing is good stirred 3 minutes by high-speed dobule-shaft mixer;
(5) metering is packed or in bulk, obtains finished product.
Embodiment four: take this strength grade of motar M10 as example,
(1) oven dry river sand, dedusting is also sieved, control river sand water content to 0.5%, product cut size is controlled in 5 millimeters;
(2) oven dry chip, dedusting is also sieved, control chip water content to 0.5%, product cut size is controlled in 5 millimeters, stirs;
(3) raw materials weighing, its weight proportion are cement (P.O42.5) 20%, flyash (II level) 9.98%, chip 30%, river sand 40%, admixture 0.02%;
(4) raw material that weighing is good stirred 3 minutes by high-speed dobule-shaft mixer;
(5) metering is packed or in bulk, obtains finished product.
Claims (4)
1. dry-mixed mortar, it is characterized in that: dry-mixed mortar is mixed by the batching of following weight proportion:
Cement: 10～20%;
Flyash: 5～10%;
River sand: 40～60%;
Chip: 20～30%;
Admixture: 0.02～0.04%.
2. dry-mixed mortar according to claim 1 is characterized in that:
Described flyash is the II level;
Described river sand water content is lower than 0.5%, and particle diameter is less than 5 millimeters;
Described chip water content is lower than 0.5%, and particle diameter is less than 5 millimeters;
Described admixture is ether of cellulose.
3. the preparation method of dry-mixed mortar according to claim 1 is characterized in that: may further comprise the steps:
(1) oven dry river sand, and sieving, control river sand water content is to being lower than 0.5%, product cut size be controlled at 5 millimeters with
In;
(2) the oven dry chip and sieves, and control chip water content is to being lower than 0.5%, product cut size be controlled at 5 millimeters with
In, stir;
(3) raw materials weighing;
(4) raw material that weighing is good mixes;
(5) metering is packed or in bulk.
4. the preparation method of dry-mixed mortar according to claim 3 is characterized in that: described raw material mixes the time by high-speed dobule-shaft mixer and is not less than 3 minutes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210406782XA CN102898100A (en) | 2012-10-23 | 2012-10-23 | Dry-mixed mortar and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210406782XA CN102898100A (en) | 2012-10-23 | 2012-10-23 | Dry-mixed mortar and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
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| CN102898100A true CN102898100A (en) | 2013-01-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210406782XA Pending CN102898100A (en) | 2012-10-23 | 2012-10-23 | Dry-mixed mortar and preparation method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104291750A (en) * | 2014-09-24 | 2015-01-21 | 廊坊荣盛混凝土有限公司 | Tail ore clastic concrete and preparation method thereof |
| CN104973830A (en) * | 2014-04-11 | 2015-10-14 | 舟山市汇邦建材有限公司 | Concrete dry-mixing mortar and preparation method thereof |
| CN105565739A (en) * | 2015-12-17 | 2016-05-11 | 华南理工大学 | Improved fly ash cement mortar and preparation method thereof |
| CN106082868A (en) * | 2016-06-20 | 2016-11-09 | 浙江正裕科技股份有限公司 | A kind of novel dry-mixed masonry mortar |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101265057B (en) * | 2008-04-08 | 2010-10-27 | 甘伟 | Mortar and concrete using ceramic slag as blending material, and preparation method thereof |
-
2012
- 2012-10-23 CN CN201210406782XA patent/CN102898100A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101265057B (en) * | 2008-04-08 | 2010-10-27 | 甘伟 | Mortar and concrete using ceramic slag as blending material, and preparation method thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104973830A (en) * | 2014-04-11 | 2015-10-14 | 舟山市汇邦建材有限公司 | Concrete dry-mixing mortar and preparation method thereof |
| CN104291750A (en) * | 2014-09-24 | 2015-01-21 | 廊坊荣盛混凝土有限公司 | Tail ore clastic concrete and preparation method thereof |
| CN105565739A (en) * | 2015-12-17 | 2016-05-11 | 华南理工大学 | Improved fly ash cement mortar and preparation method thereof |
| CN106082868A (en) * | 2016-06-20 | 2016-11-09 | 浙江正裕科技股份有限公司 | A kind of novel dry-mixed masonry mortar |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130130 |