CN108424169A - Mortar and preparation method thereof of squeegeeing for handling light partition wall crack - Google Patents

Mortar and preparation method thereof of squeegeeing for handling light partition wall crack Download PDF

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Publication number
CN108424169A
CN108424169A CN201810497308.XA CN201810497308A CN108424169A CN 108424169 A CN108424169 A CN 108424169A CN 201810497308 A CN201810497308 A CN 201810497308A CN 108424169 A CN108424169 A CN 108424169A
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China
Prior art keywords
sand
parts
mortar
squeegeeing
crack
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CN201810497308.XA
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CN108424169B (en
Inventor
蔡建利
王杜槟
颜迎春
汤春林
林永刚
陈启超
游义才
王元彤
曹立荣
刘承
周晓龙
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Sichuan Province Jinteng Environmental Building Materials Co Ltd
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Sichuan Province Jinteng Environmental Building Materials Co Ltd
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    • 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
    • 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
    • C04B2111/00474Uses not provided for elsewhere in C04B2111/00
    • C04B2111/00663Uses not provided for elsewhere in C04B2111/00 as filling material for cavities or the like
    • C04B2111/00672Pointing or jointing materials
    • 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
    • C04B2111/40Porous or lightweight materials
    • 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

Mortar and preparation method thereof of squeegeeing for handling light partition wall crack, belongs to building material field.The raw material of mortar of squeegeeing is counted and includes in parts by weight:38 45 parts of 80 110 parts of aluminate cement, 340 380 parts of Portland cement, 25 30 parts of ester exchange at phosphorus, 18 22 parts of anhydrous sodium sulphate, 150 180 parts of fine sand, 200 240 parts of middle sand, 120 140 parts of coarse sand, 50 75 parts of flyash, 28 parts of cellulose ether and rubber powder.It has the advantages that adhesion strength is high, toughness is good, fracture filling is closely knit.Preparation method includes mixing above-mentioned raw materials.Easy to operate, mortar obtained has the advantages that adhesion strength is high, toughness is good, fracture filling is closely knit.

Description

Mortar and preparation method thereof of squeegeeing for handling light partition wall crack
Technical field
The present invention relates to building material fields, and more particularly to it is a kind of for handle light partition wall crack squeegee mortar and Preparation method.
Background technology
Light cellular partition board is fast due to itself having series of advantages, the easy construction such as lightweight, sound insulation, heat-insulated, moisture-proof, fire prevention Speed;Building dead weight can be not only reduced, is conducive to improve building function;And project cost is saved, reduce energy consumption.It can Be widely used in the skyscraper of frame structure, industrial premises, office building, auditoriums, hotels, residential houses and extending old building locellus, point The non-bearing wall bodies construction such as family, toilet, kitchen, partition is used especially suitable for the higher place of public amusement of fire protection requirement.
But often there is phenomena such as slab-joint cracking in light partition board, cracking phenomena mainly has:Between wallboard and wallboard Slab-joint cracking;Angle cracking of wall surface on door-window opening;Wallboard and structural member junction crack;Crack on plastering surface course etc..To make At inconvenient for use, severe one causes security risk.
Used light partition board plate stitch bonds currently on the market, and the binder generally used is common bonding Mortar or anticracking grout, there are some to be not suitable with defect for the material physical change of bonding, the function of joint filling and wallboard, such as viscous Knotting strength deficiency etc., the defects of toughness is bad;There is also be not easy to fill closely knit problem simultaneously.To cannot be satisfied to light weight wall The requirement of the operation of squeegeeing of plate.
In view of this, special propose the application.
Invention content
The purpose of the present invention is to provide a kind of mortars of squeegeeing for handling light partition wall crack, have adhesion strength The advantages that height, toughness are good, fracture filling is closely knit.
Another object of the present invention is to provide it is a kind of for handle light partition wall crack mortar of squeegeeing preparation method, Easy to operate, mortar obtained has the advantages that adhesion strength is high, toughness is good, fracture filling is closely knit.
The present invention solves its technical problem using following technical scheme to realize.
The present invention proposes a kind of mortar of squeegeeing for handling light partition wall crack, and raw material is counted in parts by weight includes:
80-110 parts of aluminate cement, 340-380 parts of Portland cement, 25-30 parts of ester exchange at phosphorus, anhydrous sodium sulphate 18-22 parts, 150-180 parts of fine sand, sand 200-240 parts middle, 120-140 parts of coarse sand, 50-75 parts of flyash, 2-8 parts of cellulose ether And 38-45 parts of rubber powder.
The present invention proposes a kind of preparation method for handling the mortar of squeegeeing in light partition wall crack, including:By above-mentioned original Material mixing.
The advantageous effect of the embodiment of the present invention is:
Provided by the present invention for the mortar of squeegeeing in processing light partition wall crack, using aluminate cement and normal silicate The compound system of cement, two kinds of cement have complementary advantages, and can both make mortar strength stable and the volume stability of hardenite, aluminate Cement can substantially effectively absorb the free calcium of Portland cement aquation generation to reduce the basicity of mixed system, also again The aquation that can speed up cement principal goods phase, makes mortar have the advantages of high-early-strength.Inventor is the study found that in above two water Under the compound system of mud, ester exchange at phosphorus and anhydrous sodium sulphate are added, entringite can effectively be inhibited constantly to be changed into single sulfur type aquation sulphur The phenomenon that calcium aluminate, ensures mortar at the case where avoiding caused by unstable state drated calcium aluminate crystal transfer microstructure from deteriorating Compression strength is high, drying shrinkage value is small.Fine sand, middle sand and coarse sand are coordinated according to aforementioned proportion, and grading is reasonable, and cooperation is appropriate The flyash of ratio makes mortar have preferable workability and mobility, avoid because trickle it is too fast or excessively slow caused by fill not Closely knit problem, anti-deformation is good, good toughness, adhesion strength are high.
Provided by the present invention for the preparation method of the mortar of squeegeeing in processing light partition wall crack, method is simple, according to upper It states ratio to mix feed components, obtained mortar correspondingly has that adhesion strength is high, toughness is good, fracture filling is close The advantages that real.
Specific implementation mode
It in order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below will be in the embodiment of the present invention Technical solution be clearly and completely described.The person that is not specified actual conditions in embodiment, builds according to normal condition or manufacturer The condition of view carries out.Reagents or instruments used without specified manufacturer is the conventional production that can be obtained by commercially available purchase Product.
Have below to mortar and preparation method thereof of squeegeeing for handling light partition wall crack of the embodiment of the present invention Body explanation.
The present invention provides a kind of mortar of squeegeeing for handling light partition wall crack, and raw material is counted in parts by weight includes:
80-110 parts of aluminate cement, 340-380 parts of Portland cement, 25-30 parts of ester exchange at phosphorus, anhydrous sodium sulphate 18-22 parts, 150-180 parts of fine sand, sand 200-240 parts middle, 120-140 parts of coarse sand, 50-75 parts of flyash, 2-8 parts of cellulose ether And 38-45 parts of rubber powder.
Optionally, raw material is counted in parts by weight includes:
90-100 parts of aluminate cement, 350-370 parts of Portland cement, 26-28 parts of ester exchange at phosphorus, anhydrous sodium sulphate 20-22 parts, 160-170 parts of fine sand, sand 210-230 parts middle, 125-130 parts of coarse sand, 55-70 parts of flyash, 4-6 parts of cellulose ether And 40-44 parts of rubber powder.
Still optionally further, raw material is counted in parts by weight includes:
98 parts of aluminate cement, 360 parts of Portland cement, 26 parts of ester exchange at phosphorus, 20 parts of anhydrous sodium sulphate, fine sand 165 Part, 220 parts of middle sand, 128 parts of coarse sand, 62 parts of flyash, 5 parts of cellulose ether and 40 parts of rubber powder.
In above-mentioned raw materials proportioning, using aluminate cement and the compound system of Portland cement, two kinds of cement advantages Complementation can both make mortar strength stable and the volume stability of hardenite, and aluminate cement can substantially effectively absorb general again The free calcium that logical silicate cement hydration generates is to reduce the basicity of mixed system, additionally it is possible to accelerate the aquation of cement principal goods phase, Mortar is set to have the advantages of high-early-strength.
It has been found that when aluminate cement and Portland cement mix, it is larger in aluminate cement incorporation In the case of, although entringite production quantity is increased slightly in a short time in aquation in slurry, entringite can constantly be changed into single sulphur Type hydrated calcium aluminate sulfate, and crystal transfer can also occur for the unstable state drated calcium aluminate that early stage generates, only mixed system hardens The microstructure of slurry significantly deteriorates, and macroscopically shows as the compression strength portland cement that relatively fades out and is greatly reduced, dries contraction It is sharply increased.
In the present invention, it has been found that in the case where aluminate cement incorporation is larger, addition ester exchange at phosphorus and Anhydrous sodium sulphate provides sulphur matter source, can effectively inhibit the phenomenon that entringite is constantly changed into single sulfur type hydrated calcium aluminate sulfate, avoid non- The case where microstructure caused by stable state drated calcium aluminate crystal transfer deteriorates ensures mixed system hardened paste in aluminic acid brine Also can have the performance that compression strength is high, drying shrinkage value is small in the case that mud incorporation is larger.
In some specific embodiments of the invention, the type of aluminate cement is CA-60, Portland cement Strength grade is 42.5R, makes that the adhesion strength of mortar is good, structural behaviour is stablized.
In raw material proportioning, fine sand refers to the sand being made of the particle between diameter 0.1-0.25mm in usual definition.Middle sand Refer in usual definition, granular mass of the grain size more than 0.25mm is more than 50% sand of gross mass, fineness modulus 3.0- 2.3 average grain diameter 0.25-0.5mm.Coarse sand refers in usual definition, and sand boulderet grain content is not more than 25%, and grain size is big In 0.5mm content be more than gross mass 50% sand.
In the present invention, fines, middle material and coarse fodder are coordinated according to aforementioned proportion, grading is reasonable, make slurry have compared with Good skeleton structure.With proper amount of flyash, make while ensureing hardenite with preferable density wet slurry with compared with Good Yi Hexing.The slurry obtained according to aforementioned proportion, mobility is appropriate, since usually vertical construction is filled up in crack, avoids The uncompacted problem of filling caused by the trickling speed of slurry is fast or excessively slow, makes filled therewith secret room, and anti-deformation is good, toughness Good, adhesion strength height.
In some optional embodiments of the invention, fine sand is made of river sand and sea sand, and middle sand is by river sand, sea sand and mountain Sand forms, and coarse sand is made of river sand and mountain sand.
In fine sand, the mass ratio of river sand and sea sand is followed successively by 4-6:1, further it is followed successively by 4-5:1.Specifically as successively It is 4:1、4.5:1、5:1、6:1 etc..
In middle sand, the mass ratio of river sand, sea sand and mountain sand 3-4 successively:1-2:1, further it is followed successively by 3-4:1:1.Tool Such as it is followed successively by 3 to body:1:1、3.5:1:1、4:1:1、3:1.5:1、3:2:1、4:2:1 etc..
In coarse sand, the mass ratio of river sand and mountain sand is followed successively by 2-3:1, further it is followed successively by 2.5-3:1.Specifically such as according to Secondary is 2:1、2.5:1、3:1 etc..
Through inventor the study found that using fine sand, middle sand and coarse sand using the sand of above two or three types according to one Fixed ratio is coordinated, and river sand, sea sand or mountain sand facies ratio, the intensity higher of obtained hardenite, mortar pair are used with independent The filling effect in gap is more preferably.
Cross-linking reaction is generated in rubber powder and cement hydration process, improves physical organization's structure of mortar hardening body, in alleviation Stress reduces the generation of micro-crack, enhances the compactness of polymer cement material.
Cellulose ether improves the wet viscosity of wet mortar as thickener, main control consistency of mortar and open hour, Improve the adhesion strength of mortar.
Rubber powder and cellulose ether coordinate cement compound system, can effectively improve this for handling squeegeeing for light partition wall crack The convenience for construction of mortar, while improving the adhesion strength of the mortar of squeegeeing for being used to handle light partition wall crack.
In some specific embodiments of the invention, cellulose ether is by methylcellulose, hydroxyethyl cellulose and hydroxypropyl Ylmethyl cellulose forms.
Further, the mass ratio of methylcellulose, hydroxyethyl cellulose and hydroxypropyl methyl cellulose is followed successively by 1- 3:1-2:1, such as can be 3:1:1、3:1.5:1、3:2:1、2:1:1、2:1.5:1、2:2:1、1:2:1、1:1.5:1、1:1:1 Deng.
Through inventor the study found that being coordinated according to a certain percentage with cementitious composite system using above-mentioned three kinds of cellulose ethers, The mobility that can effectively improve mortar improves the intensity of mortar;This is set to be applied for handling the mortar of squeegeeing in light partition wall crack Crackle or crack are effectively reduced in hardening and drying shrinkage process after work, improve mechanical strength.
The present invention also provides a kind of preparation methods for handling the mortar of squeegeeing in light partition wall crack, including according to above-mentioned Component proportion raw material is mixed.
Method is simple, mixes feed components according to aforementioned proportion, and obtained mortar, which correspondingly has, to be bonded by force The advantages that degree is high, toughness is good, fracture filling is closely knit.
Further, the batch mixing of raw material includes:By aluminate cement, Portland cement, ester exchange at phosphorus, anhydrous sodium sulphate And fine sand is mixed, and obtains the first mixture;By the first mixture, the middle sand of 50-70%, the coarse sand of 20-30%, flyash, Cellulose ether and rubber powder are mixed, and obtain the second mixture;Second mixture, remaining middle sand and remaining coarse sand are mixed Stirring.Wherein, 50-70% refers to the mass ratio for accounting for middle sand, and 20-30% refers to the mass ratio for accounting for coarse sand.
According to aforesaid operations sequence carry out batch mixing, so as to get for handle light partition wall crack mortar of squeegeeing skeleton Structure has microstructure uniformly, fine and close with each component, helps to improve the sand of squeegeeing for handling light partition wall crack The comprehensive performance of slurry.
The feature and performance of the present invention are described in further detail with reference to embodiments.
Embodiment 1
A kind of mortar of squeegeeing for handling light partition wall crack, raw material include:
The Portland cement 360kg of aluminate cement 98kg, 42.5R of CA-60, ester exchange at phosphorus 26kg, member are bright Powder 20kg, fine sand 165kg, middle sand 220kg, coarse sand 128kg, flyash 62kg, cellulose ether 5kg and rubber powder 40kg.
Wherein, fine sand is 5 by mass ratio:1 river sand and sea sand composition;Middle sand is 4 by mass ratio:1:1 river sand, sea sand And mountain sand composition;Coarse sand is 3 by mass ratio:1 river sand and mountain sand composition;Cellulose ether is 3 by mass ratio:1:1 methyl is fine Dimension element, hydroxyethyl cellulose and hydroxypropyl methyl cellulose composition.
Preparation method includes:
S1,5-8min is mixed in aluminate cement, Portland cement, ester exchange at phosphorus, anhydrous sodium sulphate and fine sand, Obtain the first mixture.
S2,5- is mixed in the first mixture, 60% middle sand, 25% coarse sand, flyash, cellulose ether and rubber powder 8min obtains the second mixture.
S3,5-8min is mixed in the second mixture, remaining 40% middle sand and remaining 75% coarse sand, obtained Mortar of squeegeeing for handling light partition wall crack.
Embodiment 2
A kind of mortar of squeegeeing for handling light partition wall crack, raw material include:
The Portland cement 370kg of aluminate cement 90kg, 42.5R of CA-60, ester exchange at phosphorus 26kg, member are bright Powder 22kg, fine sand 170kg, middle sand 210kg, coarse sand 130kg, flyash 55kg, cellulose ether 6kg and rubber powder 40kg.
Wherein, fine sand is 4 by mass ratio:1 river sand and sea sand composition;Middle sand is 4 by mass ratio:2:1 river sand, sea sand And mountain sand composition;Coarse sand is 2 by mass ratio:1 river sand and mountain sand composition;Cellulose ether is 3 by mass ratio:2:1 methyl is fine Dimension element, hydroxyethyl cellulose and hydroxypropyl methyl cellulose composition.
Preparation method includes:
S1,5-8min is mixed in aluminate cement, Portland cement, ester exchange at phosphorus, anhydrous sodium sulphate and fine sand, Obtain the first mixture.
S2,5- is mixed in the first mixture, 50% middle sand, 20% coarse sand, flyash, cellulose ether and rubber powder 8min obtains the second mixture.
S3,5-8min is mixed in the second mixture, remaining 50% middle sand and remaining 80% coarse sand, obtained Mortar of squeegeeing for handling light partition wall crack.
Embodiment 3
A kind of mortar of squeegeeing for handling light partition wall crack, raw material include:
The Portland cement 350kg of aluminate cement 100kg, 42.5R of CA-60, ester exchange at phosphorus 28kg, member are bright Powder 20kg, fine sand 160kg, middle sand 230kg, coarse sand 125kg, flyash 70kg, cellulose ether 4kg and rubber powder 44kg.
Wherein, fine sand is 4 by mass ratio:1 river sand and sea sand composition;Middle sand is 3 by mass ratio:2:1 river sand, sea sand And mountain sand composition;Coarse sand is 2.5 by mass ratio:1 river sand and mountain sand composition;Cellulose ether is 2 by mass ratio:1:1 methyl Cellulose, hydroxyethyl cellulose and hydroxypropyl methyl cellulose composition.
Preparation method includes:
S1,5-8min is mixed in aluminate cement, Portland cement, ester exchange at phosphorus, anhydrous sodium sulphate and fine sand, Obtain the first mixture.
S2,5- is mixed in the first mixture, 70% middle sand, 30% coarse sand, flyash, cellulose ether and rubber powder 8min obtains the second mixture.
S3,5-8min is mixed in the second mixture, remaining 30% middle sand and remaining 70% coarse sand, obtained Mortar of squeegeeing for handling light partition wall crack.
Embodiment 4
A kind of mortar of squeegeeing for handling light partition wall crack, raw material include:
The Portland cement 380kg of aluminate cement 80kg, 42.5R of CA-60, ester exchange at phosphorus 25kg, member are bright Powder 22kg, fine sand 180kg, middle sand 200kg, coarse sand 140kg, flyash 50kg, cellulose ether 8kg and rubber powder 38kg.
Wherein, fine sand is 5 by mass ratio:1 river sand and sea sand composition;Middle sand is 4 by mass ratio:2:1 river sand, sea sand And mountain sand composition;Coarse sand is 3 by mass ratio:1 river sand and mountain sand composition;Cellulose ether is 2 by mass ratio:1:1 methyl is fine Dimension element, hydroxyethyl cellulose and hydroxypropyl methyl cellulose composition.
Preparation method is with reference to shown in embodiment 1.
Embodiment 5
A kind of mortar of squeegeeing for handling light partition wall crack, raw material include:
The Portland cement 340kg of aluminate cement 110kg, 42.5R of CA-60, ester exchange at phosphorus 30kg, member are bright Powder 18kg, fine sand 150kg, middle sand 240kg, coarse sand 120kg, flyash 75kg, cellulose ether 2kg and rubber powder 45kg.
Wherein, fine sand is 5 by mass ratio:1 river sand and sea sand composition;Middle sand is 4 by mass ratio:1:1 river sand, sea sand And mountain sand composition;Coarse sand is 3 by mass ratio:1 river sand and mountain sand composition;Cellulose ether is 3 by mass ratio:1:1 methyl is fine Dimension element, hydroxyethyl cellulose and hydroxypropyl methyl cellulose composition.
Preparation method is with reference to shown in embodiment 1.
Embodiment 6
A kind of mortar of squeegeeing for handling light partition wall crack, raw material include:
The Portland cement 360kg of aluminate cement 98kg, 42.5R of CA-60, ester exchange at phosphorus 26kg, member are bright Powder 20kg, fine sand 165kg, middle sand 220kg, coarse sand 128kg, flyash 62kg, cellulose ether 5kg and rubber powder 40kg.
Wherein, fine sand, middle sand and coarse sand are river sand;Cellulose ether is 3 by mass ratio:1:1 methylcellulose, hydroxyl second Base cellulose and hydroxypropyl methyl cellulose composition.
Preparation method is with reference to shown in embodiment 1.
Embodiment 7
A kind of mortar of squeegeeing for handling light partition wall crack, raw material include:
The Portland cement 360kg of aluminate cement 98kg, 42.5R of CA-60, ester exchange at phosphorus 26kg, member are bright Powder 20kg, fine sand 165kg, middle sand 220kg, coarse sand 128kg, flyash 62kg, cellulose ether 5kg and rubber powder 40kg.
Wherein, fine sand is 5 by mass ratio:1 river sand and sea sand composition;Middle sand is 4 by mass ratio:1:1 river sand, sea sand And mountain sand composition;Coarse sand is 3 by mass ratio:1 river sand and mountain sand composition;Cellulose ether is by for methylcellulose.
Preparation method is with reference to shown in embodiment 1.
Embodiment 8
A kind of mortar of squeegeeing for handling light partition wall crack, raw material include:
The Portland cement 360kg of aluminate cement 98kg, 42.5R of CA-60, ester exchange at phosphorus 26kg, member are bright Powder 20kg, fine sand 165kg, middle sand 220kg, coarse sand 128kg, flyash 62kg, cellulose ether 5kg and rubber powder 40kg.
Wherein, fine sand is 5 by mass ratio:1 river sand and sea sand composition;Middle sand is 4 by mass ratio:1:1 river sand, sea sand And mountain sand composition;Coarse sand is 3 by mass ratio:1 river sand and mountain sand composition;Cellulose ether is 3 by mass ratio:2 Methyl cellulose Element and hydroxypropyl methyl cellulose composition.
Preparation method is with reference to shown in embodiment 1.
Embodiment 9
A kind of mortar of squeegeeing for handling light partition wall crack, raw material include:
The Portland cement 360kg of aluminate cement 98kg, 42.5R of CA-60, ester exchange at phosphorus 26kg, member are bright Powder 20kg, fine sand 165kg, middle sand 220kg, coarse sand 128kg, flyash 62kg, cellulose ether 5kg and rubber powder 40kg.
Wherein, fine sand is 5 by mass ratio:1 river sand and sea sand composition;Middle sand is 4 by mass ratio:1:1 river sand, sea sand And mountain sand composition;Coarse sand is 3 by mass ratio:1 river sand and mountain sand composition;Cellulose ether is 3 by mass ratio:1:1 methyl is fine Dimension element, hydroxyethyl cellulose and hydroxypropyl methyl cellulose composition.
Preparation method includes:Raw material is mixed together stirring 10-20min, obtains the benefit for handling light partition wall crack Stitch mortar.
Comparative example 1
A kind of mortar of squeegeeing for handling light partition wall crack, difference lies in cement only with common with embodiment 1 Portland cement, raw material include:
Portland cement 460kg, ester exchange at phosphorus 26kg, anhydrous sodium sulphate 20kg, fine sand 165kg, the middle sand of 42.5R 220kg, coarse sand 128kg, flyash 62kg, cellulose ether 5kg and rubber powder 40kg.
Wherein, fine sand is 5 by mass ratio:1 river sand and sea sand composition;Middle sand is 4 by mass ratio:1:1 river sand, sea sand And mountain sand composition;Coarse sand is 3 by mass ratio:1 river sand and mountain sand composition;Cellulose ether is 3 by mass ratio:1:1 methyl is fine Dimension element, hydroxyethyl cellulose and hydroxypropyl methyl cellulose composition.
Preparation method includes:
S1,5-8min is mixed in Portland cement, ester exchange at phosphorus, anhydrous sodium sulphate and fine sand, obtains the first mixing Material.
S2,5- is mixed in the first mixture, 60% middle sand, 25% coarse sand, flyash, cellulose ether and rubber powder 8min obtains the second mixture.
S3,5-8min is mixed in the second mixture, remaining 40% middle sand and remaining 75% coarse sand, obtained Mortar of squeegeeing for handling light partition wall crack.
Comparative example 2
A kind of mortar of squeegeeing for handling light partition wall crack, difference lies in sand material only with fine sand with embodiment 1 With middle sand, raw material includes:
Portland cement 460kg, ester exchange at phosphorus 26kg, anhydrous sodium sulphate 20kg, fine sand 225kg, the middle sand of 42.5R 288kg, flyash 62kg, cellulose ether 5kg and rubber powder 40kg.
Wherein, fine sand is 5 by mass ratio:1 river sand and sea sand composition;Middle sand is 4 by mass ratio:1:1 river sand, sea sand And mountain sand composition;Cellulose ether is 3 by mass ratio:1:1 methylcellulose, hydroxyethyl cellulose and hydroxypropyl methyl cellulose Composition.
Preparation method includes:
S1,5-8min is mixed in Portland cement, ester exchange at phosphorus, anhydrous sodium sulphate and fine sand, obtains the first mixing Material.
S2,5-8min is mixed in the first mixture, 60% middle sand, flyash, cellulose ether and rubber powder, obtains second Mixture.
S3,5-8min is mixed in the middle sand of the second mixture and remaining 40%, obtains and is split for handling light partition wall The mortar of squeegeeing of seam.
Test example
Performance detection is carried out to the mortar of squeegeeing for handling light partition wall crack of embodiment 1-9 and comparative example 1-2, The results are shown in Table 1.
1 performance test table of table
To sum up, provided by the present invention for the mortar of squeegeeing in processing light partition wall crack, using aluminate cement and commonly The compound system of portland cement, two kinds of cement have complementary advantages, and can both make mortar strength stable and the volume stability of hardenite, Aluminate cement can substantially effectively absorb the free calcium of Portland cement aquation generation to reduce mixed system again Basicity, additionally it is possible to which the aquation for accelerating cement principal goods phase makes mortar have the advantages of high-early-strength.Inventor is the study found that upper Under the compound system for stating two kinds of cement, ester exchange at phosphorus and anhydrous sodium sulphate are added, can effectively inhibit entringite to be constantly changed into single sulphur The phenomenon that type hydrated calcium aluminate sulfate, protects at the case where avoiding caused by unstable state drated calcium aluminate crystal transfer microstructure from deteriorating Compression strength height, the drying shrinkage value for demonstrate,proving mortar are small.Fine sand, middle sand and coarse sand are coordinated according to aforementioned proportion, and grading is reasonable, The flyash for coordinating proper proportion, makes mortar have preferable workability and mobility, avoids because trickling too fast or causing slowly excessively The uncompacted problem of filling, anti-deformation is good, good toughness, adhesion strength are high.
Provided by the present invention for the preparation method of the mortar of squeegeeing in processing light partition wall crack, method is simple, according to upper It states ratio to mix feed components, obtained mortar correspondingly has that adhesion strength is high, toughness is good, fracture filling is close The advantages that real.
Embodiments described above is a part of the embodiment of the present invention, instead of all the embodiments.The reality of the present invention The detailed description for applying example is not intended to limit the range of claimed invention, but is merely representative of the selected implementation of the present invention Example.Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without creative efforts Every other embodiment, shall fall within the protection scope of the present invention.

Claims (10)

1. a kind of mortar of squeegeeing for handling light partition wall crack, which is characterized in that its raw material is counted in parts by weight includes:
80-110 parts of aluminate cement, 340-380 parts of Portland cement, 25-30 parts of ester exchange at phosphorus, anhydrous sodium sulphate 18-22 Part, 150-180 parts of fine sand, sand 200-240 parts middle, 120-140 parts of coarse sand, 50-75 parts of flyash, 2-8 parts of cellulose ether and 38-45 parts of rubber powder.
2. the mortar of squeegeeing according to claim 1 for handling light partition wall crack, which is characterized in that the raw material is pressed Parts by weight meter includes:
Described aluminate cement 90-100 parts, it is Portland cement 350-370 parts described, ester exchange at phosphorus 26-28 parts described, Described anhydrous sodium sulphate 20-22 parts, it is fine sand 160-170 parts described, middle sand 210-230 parts described, coarse sand 125-130 parts described, described It is 55-70 parts of flyash, cellulose ether 4-6 parts and rubber powder 40-44 parts described described.
3. the mortar of squeegeeing according to claim 1 for handling light partition wall crack, which is characterized in that the raw material is pressed Parts by weight meter includes:
98 parts of the aluminate cement, 360 parts of the Portland cement, 26 parts of the ester exchange at phosphorus, the anhydrous sodium sulphate 20 parts, 165 parts of the fine sand, 220 parts of the middle sand, 128 parts of the coarse sand, 62 parts of the flyash, 5 parts of the cellulose ether And 40 parts of the rubber powder.
4. according to claim 1 for handling the mortar of squeegeeing in light partition wall crack, which is characterized in that the fine sand by River sand and sea sand composition, the middle sand are made of river sand, sea sand and mountain sand, and the coarse sand is made of river sand and mountain sand.
5. the mortar of squeegeeing according to claim 4 for handling light partition wall crack, which is characterized in that in the fine sand The mass ratio of river sand and sea sand is followed successively by 4-6:1, the mass ratio of river sand, sea sand and mountain sand is followed successively by 3-4 in the middle sand:1-2: 1, the mass ratio of river sand and mountain sand is followed successively by 2-3 in the coarse sand:1.
6. being used to handle the mortar of squeegeeing in light partition wall crack according to claim 1-5 any one of them, which is characterized in that institute The type for stating aluminate cement is CA-60, and the strength grade of the Portland cement is 42.5R.
7. being used to handle the mortar of squeegeeing in light partition wall crack according to claim 1-5 any one of them, which is characterized in that institute Cellulose ether is stated to be made of methylcellulose, hydroxyethyl cellulose and hydroxypropyl methyl cellulose.
8. the mortar of squeegeeing according to claim 7 for handling light partition wall crack, which is characterized in that the cellulose The mass ratio of methylcellulose described in ether, the hydroxyethyl cellulose and the hydroxypropyl methyl cellulose is followed successively by 1-3: 1-2:1。
9. it is used to handle the preparation method of the mortar of squeegeeing in light partition wall crack such as claim 1-8 any one of them, it is special Sign is, including:The raw material is mixed.
10. preparation method according to claim 9, which is characterized in that the mixing of the raw material includes:By the aluminate Cement, the Portland cement, the ester exchange at phosphorus, the anhydrous sodium sulphate and the fine sand are mixed, and it is mixed to obtain first Close material;By first mixture, the middle sand of 50-70%, the coarse sand of 20-30%, the flyash, the fiber Plain ether and the rubber powder are mixed, and obtain the second mixture;By second mixture, the remaining middle sand and remaining The coarse sand is mixed.
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CN102584122A (en) * 2012-02-15 2012-07-18 江苏省一夫新材料科技有限公司 Building heat preservation mortar
CN102731047A (en) * 2012-06-11 2012-10-17 西南科技大学 Self-leveling mortar material with phosphogypsum as filling material, and preparation method thereof
CN104671726A (en) * 2013-11-28 2015-06-03 立邦涂料(中国)有限公司 High-strength cement-based self-leveling mortar
CN104724990A (en) * 2015-03-09 2015-06-24 东莞市万科建筑技术研究有限公司 Mortar for splicing mounting of light partition boards and splicing mounting process
CN106830851A (en) * 2017-03-24 2017-06-13 江苏蓝圈新材料股份有限公司 A kind of self-leveling cement mortar and its application based on whisker reinforcement
CN108017355A (en) * 2017-12-07 2018-05-11 成都东蓝星新材料有限公司 High speed railway sound barrier anchoring cement base self-healing composite material and preparation method thereof

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102584122A (en) * 2012-02-15 2012-07-18 江苏省一夫新材料科技有限公司 Building heat preservation mortar
CN102731047A (en) * 2012-06-11 2012-10-17 西南科技大学 Self-leveling mortar material with phosphogypsum as filling material, and preparation method thereof
CN104671726A (en) * 2013-11-28 2015-06-03 立邦涂料(中国)有限公司 High-strength cement-based self-leveling mortar
CN104724990A (en) * 2015-03-09 2015-06-24 东莞市万科建筑技术研究有限公司 Mortar for splicing mounting of light partition boards and splicing mounting process
CN106830851A (en) * 2017-03-24 2017-06-13 江苏蓝圈新材料股份有限公司 A kind of self-leveling cement mortar and its application based on whisker reinforcement
CN108017355A (en) * 2017-12-07 2018-05-11 成都东蓝星新材料有限公司 High speed railway sound barrier anchoring cement base self-healing composite material and preparation method thereof

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