CN107673711A - A kind of ground gravity flowing levelling mortar prepared with Machine-made Sand and preparation method thereof - Google Patents

A kind of ground gravity flowing levelling mortar prepared with Machine-made Sand and preparation method thereof Download PDF

Info

Publication number
CN107673711A
CN107673711A CN201711030296.1A CN201711030296A CN107673711A CN 107673711 A CN107673711 A CN 107673711A CN 201711030296 A CN201711030296 A CN 201711030296A CN 107673711 A CN107673711 A CN 107673711A
Authority
CN
China
Prior art keywords
sand
machine
gravity flowing
levelling mortar
flowing levelling
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201711030296.1A
Other languages
Chinese (zh)
Inventor
张培育
张景伟
艾冬明
张慎立
易鹏
杨需建
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhengzhou Jingwei New West Building Material Technology Co Ltd
Original Assignee
Zhengzhou Jingwei New West Building Material Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhengzhou Jingwei New West Building Material Technology Co Ltd filed Critical Zhengzhou Jingwei New West Building Material Technology Co Ltd
Priority to CN201711030296.1A priority Critical patent/CN107673711A/en
Publication of CN107673711A publication Critical patent/CN107673711A/en
Pending legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/02Compositions 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
    • C04B28/06Aluminous cements
    • C04B28/065Calcium aluminosulfate cements, e.g. cements hydrating into ettringite
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/60Flooring materials
    • C04B2111/62Self-levelling compositions
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2201/00Mortars, concrete or artificial stone characterised by specific physical values
    • C04B2201/50Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength

Abstract

The present invention relates to a kind of ground gravity flowing levelling mortar prepared with Machine-made Sand;It is made up of by weight percentage following raw materials according:Machine-made Sand 40 50%, sulphate aluminium cement 35 40%, flyash 8 15%, inert filler 3 8%, additive 1.2 1.8%.The method for making the ground gravity flowing levelling mortar comprises the following steps:It is standby to choose the sand that the particle diameter after the screening of dry-type sand-making system production is 0 0.6mm;Machine-made Sand, sulphate aluminium cement, flyash, inert filler, additive are mixed by proportioning, the ground gravity flowing levelling mortar of Machine-made Sand preparation is obtained after dry-mixed 3 5min.This ground gravity flowing levelling mortar need not pre-process using Machine-made Sand as fine aggregate in production process to Machine-made Sand, and the Machine-made Sand after the screening of dry-type sand-making system production can be used directly, simple production process;Product of the present invention adds after the abundant mix of water that self drainage is good, do not settle, bleeding, uniformity be not good, morning is strong, the performance such as high-strength in proportion.

Description

A kind of ground gravity flowing levelling mortar prepared with Machine-made Sand and preparation method thereof
Technical field
The present invention relates to building material technical field, more particularly to a kind of ground gravity flowing levelling mortar prepared with Machine-made Sand And preparation method thereof.
Background technology
Ground is used for ground with gravity flowing levelling mortar by what cement-based gelling material, fine aggregate, filler and additive formed The levelling new material of making, adding after water mix has good fluidity, is easy to that construction, levelling speed is fast, time saving, leveling layer thickness Thin, the advantages that ground flat degree is high, intensity is high, can effectively solve poor flatness caused by traditional earth material is plastered, dusting Phenomena such as, high request of the novel building to basic unit is greatly met, and be applied to the engineerings such as repairing and the finishing on ground.
The fine aggregate in the gravity flowing levelling mortar in China mostly uses natural river sand and quartz sand at present, at present quartz sand price Costliness, and river sand belongs to non-renewable resources, unrestrictedly exploitation causes petering out and serious environment for river sand resource Problem.Therefore the consumption of natural river sand how is reduced, is become certainly with the fine aggregate substitution natural river sand that other cost performances are higher The focus of levelling mortar research.
Machine-made Sand at home and abroad has decades history, technically ripe, can substitute natural river sand completely and use In engineering construction, and ecological benefits are very notable, especially meet the Implement of sustainable development strategic requirement, and Machine-made Sand is and As the main sand source of our building material industries, it is imperative to greatly develop Machine-made Sand.Gravity flowing levelling mortar is carried out according to Machine-made Sand Production, not only contribute to alleviate the coyoting abuse to deficient river sand resource, and be advantageous to hair of the Machine-made Sand in building material industry Exhibition, accomplishes to make the best use of everything, energy-saving and emission-reduction.But following defect be present in current technology, i.e., be difficult in gravity flowing levelling mortar production big The problem of volume utilizes, causes the utilization rate of current Machine-made Sand low.
The content of the invention
To solve problems of the prior art, primary and foremost purpose of the invention is to provide a kind of ground prepared with Machine-made Sand Face gravity flowing levelling mortar;The fine aggregate that the present invention adds is entirely Machine-made Sand, and Machine-made Sand need not be located in advance in production process Reason, cheap so as to obtain a kind of cost, good fluidity, uniformity are high, ground gravity flowing levelling mortar.
To achieve the above object, the present invention proposes a kind of ground gravity flowing levelling mortar prepared with Machine-made Sand;By following original Material forms by weight percentage:Machine-made Sand 40-50%, sulphate aluminium cement 35-40%, flyash 8-15%, inert filler 3-8%, Additive 1.2-1.8%.
The Machine-made Sand is the sand that the particle diameter of dry-type sand-making system production is 0-0.6mm.
The MB values of the Machine-made Sand<1.4, moisture content<0.5%, content of stone powder 3-6%.
The sulphate aluminium cement is quick hardening sulphoaluminate cement, and the strength grade of quick hardening sulphoaluminate cement is 42.5, It is relatively low and without tricalcium silicate that the mineralogical composition of quick hardening sulphoaluminate cement includes dicalcium silicate, calcium sulphoaluminate content.
The flyash grade is preferablyLevel;The inert filler is agstone.
The additive includes polycarboxylate water-reducer dry powder, rubber powder, defoamer, plasticity-maintaining agent and water-loss reducer.
The additive raw material is by weight percentage:Polycarboxylate water-reducer dry powder 0.1-0.12%, rubber powder 0.8-1.2%, Defoamer 0.01-0.03%, plasticity-maintaining agent 0.1-0.3%, water-loss reducer 0.03-0.06%.
The polycarboxylate water-reducer dry powder water-reducing rate is 30-40%, and defoamer is organic silicon, plasticity-maintaining agent be tartaric acid or Citric acid, water-loss reducer are low-viscosity cellulose ether, and rubber powder is the polymer dispersion powder again of ethylene/vinyl acetate copolymerization.
The ground that present mechanism sand is prepared is with the preparation method of gravity flowing levelling mortar:
1)Machine-made Sand processing:It is standby to choose the sand that the particle diameter after the screening of dry-type sand-making system production is 0-0.6mm;
2)Machine-made Sand, sulphate aluminium cement, flyash, inert filler, additive are mixed by proportioning, after dry-mixed 3-5min Obtain the ground gravity flowing levelling mortar of Machine-made Sand preparation.
Beneficial effect:
The ground gravity flowing levelling mortar of the present invention, by various performance tests and test, has following features and function:
1) good fluidity, uniformity are high.Only in proportion water need to be added to stir during use, stand not bleeding, aggregate Do not settle, uniformity is good, and initial flow degree is 140-160mm, and 20min fluidities are 130-150mm.
2) morning is strong, high-strength, cohesive force is high.24h rupture strengths 3-5MPa, 24h compression strength 12-18MPa, stretch-bonded are strong Degree >=1.0MPa.
3) 100% Machine-made Sand is used as fine aggregate.Product of the present invention is directly taken using the Machine-made Sand of dry-type sand-making system production The production of gravity flowing levelling mortar is carried out for the natural river sand after drying and processing, Machine-made Sand is solved and is difficult in gravity flowing levelling mortar production The problem of large dosage utilizes, the gravity flowing levelling mortar of production can be widely applied to large supermarket, market, parking lot, factory floor, storehouse The ground surface consolidation engineering such as storehouse.Not only contribute to alleviate the coyoting abuse to deficient river sand resource, and be advantageous to Machine-made Sand and building The development of material industry, accomplish to make the best use of everything, energy-saving and emission-reduction.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to embodiments, to the present invention It is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to Limit the present invention.
Embodiment one:A kind of ground gravity flowing levelling mortar prepared with Machine-made Sand
This ground gravity flowing levelling mortar is by Machine-made Sand, quick hardening sulphoaluminate cement, flyash, inert filler, additive(Polycarboxylic acids Water reducer dry powder, rubber powder, defoamer, plasticity-maintaining agent, water-loss reducer)Mix, the proportioning of various materials is:
Machine-made Sand 45%
Quick hardening sulphoaluminate cement 38%
Flyash 8%
Inert filler 7.63%
Polycarboxylate water-reducer 0.10%
Rubber powder 1.0%
Defoamer 0.02%
Plasticity-maintaining agent 0.2%
Water-loss reducer 0.05%
Gravity flowing levelling mortar obtained by the present embodiment directly adds water to can be used after stirring, and its reclaimed water material weight ratio is 0.25.
The compound use of above-mentioned material so that gravity flowing levelling mortar have self drainage is good, do not settle, not bleeding, uniformity it is good, The performance such as early strong, high-strength.
Embodiment two:A kind of ground gravity flowing levelling mortar prepared with Machine-made Sand
No longer described with the something in common of example one, difference is as follows:
Machine-made Sand 40%
Quick hardening sulphoaluminate cement 40%
Flyash 15%
Inert filler 3.71
Polycarboxylate water-reducer 0.12%
Rubber powder 0.8%
Defoamer 0.01%
Plasticity-maintaining agent 0.3%
Water-loss reducer 0.04%
Gravity flowing levelling mortar obtained by the present embodiment directly adds water to can be used after stirring, and its reclaimed water material weight ratio is 0.26.
Embodiment three:A kind of high performance no-contraction cement base grouting material prepared with Machine-made Sand
No longer described with the something in common of example one, difference is as follows:
Machine-made Sand 50%
Quick hardening sulphoaluminate cement 35%
Flyash 10%
Inert filler 3.51%
Polycarboxylate water-reducer 0.10%
Rubber powder 1.2%
Defoamer 0.03%
Plasticity-maintaining agent 0.10%
Water-loss reducer 0.06%
Gravity flowing levelling mortar obtained by the present embodiment directly adds water to can be used after stirring, and its reclaimed water material weight ratio is 0.25.
Each raw material for implementing product is formed referring to table 1 above, and performance indications are referring to table 2.
The percentage by weight composition of raw material in 1 each embodiment of table
The performance indications of each embodiment product of table 2
Ground gravity flowing levelling mortar of the present invention need not pre-process using Machine-made Sand as fine aggregate in production process to Machine-made Sand, Machine-made Sand after the screening of dry-type sand-making system production can be used directly, simple production process;Product of the present invention adds water in proportion Self drainage is good after abundant mix, do not settle, bleeding, uniformity be not good, morning is strong, the performance such as high-strength.Make full use of industry byproduct Flyash, there is good economic benefit and social benefit.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention All any modification, equivalent and improvement made within refreshing and principle etc., should be included in the scope of the protection.

Claims (9)

  1. A kind of 1. ground gravity flowing levelling mortar prepared with Machine-made Sand;It is characterized in that:By following raw materials according group by weight percentage Into:Machine-made Sand 40-50%, sulphate aluminium cement 35-40%, flyash 8-15%, inert filler 3-8%, additive 1.2-1.8%.
  2. 2. ground gravity flowing levelling mortar according to claim 1;It is characterized in that:The Machine-made Sand is dry-type sand-making system The particle diameter of production is 0-0.6mm sand.
  3. 3. ground gravity flowing levelling mortar according to claim 2;It is characterized in that:The MB values of the Machine-made Sand<1.4, contain Water rate<0.5%, content of stone powder 3-6%.
  4. 4. ground gravity flowing levelling mortar according to claim 1;It is characterized in that:The sulphate aluminium cement is fast hard sulphur Aluminate cement, the strength grade of quick hardening sulphoaluminate cement is 42.5, and the mineralogical composition of quick hardening sulphoaluminate cement includes silicon Sour dicalcium, calcium sulphoaluminate content are relatively low and without tricalcium silicate.
  5. 5. ground gravity flowing levelling mortar according to claim 1;It is characterized in that:The flyash grade is preferablyLevel; The inert filler is agstone.
  6. 6. ground gravity flowing levelling mortar according to claim 1;It is characterized in that:The additive includes polycarboxylic acids diminishing Agent dry powder, rubber powder, defoamer, plasticity-maintaining agent and water-loss reducer.
  7. 7. ground gravity flowing levelling mortar according to claim 1;It is characterized in that:Additive raw material percentage by weight Than meter:Polycarboxylate water-reducer dry powder 0.1-0.12%, rubber powder 0.8-1.2%, defoamer 0.01-0.03%, plasticity-maintaining agent 0.1-0.3%, Water-loss reducer 0.03-0.06%.
  8. 8. ground gravity flowing levelling mortar according to claim 7;It is characterized in that:The polycarboxylate water-reducer dry powder diminishing Rate is 30-40%, and defoamer is organic silicon, and plasticity-maintaining agent is tartaric acid or citric acid, and water-loss reducer is low-viscosity cellulose ether, glue Powder is the polymer dispersion powder again of ethylene/vinyl acetate copolymerization.
  9. 9. the preparation of the ground gravity flowing levelling mortar prepared with Machine-made Sand according to claim 1 to 8 any claim Method is:
    1)Machine-made Sand processing:It is standby to choose the sand that the particle diameter after the screening of dry-type sand-making system production is 0-0.6mm;
    2)Machine-made Sand, sulphate aluminium cement, flyash, inert filler, additive are mixed by proportioning, after dry-mixed 3-5min Obtain the ground gravity flowing levelling mortar of Machine-made Sand preparation.
CN201711030296.1A 2017-10-30 2017-10-30 A kind of ground gravity flowing levelling mortar prepared with Machine-made Sand and preparation method thereof Pending CN107673711A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711030296.1A CN107673711A (en) 2017-10-30 2017-10-30 A kind of ground gravity flowing levelling mortar prepared with Machine-made Sand and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711030296.1A CN107673711A (en) 2017-10-30 2017-10-30 A kind of ground gravity flowing levelling mortar prepared with Machine-made Sand and preparation method thereof

Publications (1)

Publication Number Publication Date
CN107673711A true CN107673711A (en) 2018-02-09

Family

ID=61142841

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201711030296.1A Pending CN107673711A (en) 2017-10-30 2017-10-30 A kind of ground gravity flowing levelling mortar prepared with Machine-made Sand and preparation method thereof

Country Status (1)

Country Link
CN (1) CN107673711A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109836106A (en) * 2019-03-06 2019-06-04 唐山北极熊建材有限公司 Fast hard cracking resistance cement-based self-leveling mortar powder, slurry, mortar and preparation method

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103265253A (en) * 2013-05-08 2013-08-28 沈阳建筑大学 High-performance grouting material for prefabricated building construction, and preparation method thereof
CN106747138A (en) * 2016-12-07 2017-05-31 华砂砂浆有限责任公司 A kind of quick leveling mortar in ground

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103265253A (en) * 2013-05-08 2013-08-28 沈阳建筑大学 High-performance grouting material for prefabricated building construction, and preparation method thereof
CN106747138A (en) * 2016-12-07 2017-05-31 华砂砂浆有限责任公司 A kind of quick leveling mortar in ground

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109836106A (en) * 2019-03-06 2019-06-04 唐山北极熊建材有限公司 Fast hard cracking resistance cement-based self-leveling mortar powder, slurry, mortar and preparation method

Similar Documents

Publication Publication Date Title
CN106186795B (en) A kind of pervious concrete special additive and its application
CN103086667B (en) A kind of C20 level recycled high performance concrete mixing proportion design method
CN103524091B (en) The non-evaporating preparation method supporting ultralight foamed concrete of flyash in great mixed amount
CN104108918B (en) A kind of high-performance cement based self-leveling mortar
CN102992722B (en) Ultrahigh-strength grouting material based on iron tailing sand and cement and preparation method of grouting material
CN101386506B (en) Light heat insulating mortar
CN104761215B (en) A kind of quick-drying fast gravity die polymer cement waterproof slurry and preparation method thereof
CN101328030B (en) Hydraulic composition
CN102924014B (en) Binding mortar with light weight and high droop resistance and preparation and use methods
CN103058614B (en) Special thin anti-crack plastering mortar for autoclaved aerated concrete
CN103482939B (en) Soil stabilizer, and preparation and application method thereof
Sari et al. High strength self-compacting concrete original solutions associating organic and inorganic admixtures
CN101941824B (en) Self-leveling mortar of composite cement
CN104263331B (en) A kind of new type high temperature low weight cement slurry
CN103435301B (en) A kind of upper flow regime microdilatancy back-tension prestressed channel mudjacking agent and preparation method
CN103496922B (en) Double-component ceramic tile interface agent as well as preparation method and using method thereof
CN103288410B (en) Alpha high-strength gypsum based self-leveling material prepared by adopting phosphogypsum and production process thereof
CN101880142B (en) Method for preparing wall and floor tile adhesive mortar by using mill tailings
CN105330215A (en) Preparation method for warm-keeping mortar
CN102503285B (en) Polymer-modified early-strengthening repair mortar and preparation method and application thereof
CN102826814B (en) Cement-based self-leveling mortar
CN105837137B (en) A kind of composite enhanced rapid-patching motar
CN102491687B (en) Self-compaction concrete used for filling closed space as well as preparation method and application of same
CN108129122A (en) A kind of preparation method of phosphorus paring stone cream base lightweight gravity flowing levelling mortar
CN100345791C (en) Heat insulating glue powder material for wall and its prepn and usage

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20180209