CN108249862A - High-hardness building material and preparation method thereof - Google Patents
High-hardness building material and preparation method thereof Download PDFInfo
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- CN108249862A CN108249862A CN201810124246.8A CN201810124246A CN108249862A CN 108249862 A CN108249862 A CN 108249862A CN 201810124246 A CN201810124246 A CN 201810124246A CN 108249862 A CN108249862 A CN 108249862A
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- 238000002360 preparation method Methods 0.000 title claims abstract description 17
- 239000004566 building material Substances 0.000 title abstract description 11
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 106
- 239000004568 cement Substances 0.000 claims abstract description 43
- 239000004576 sand Substances 0.000 claims abstract description 35
- 239000000463 material Substances 0.000 claims abstract description 34
- 239000012745 toughening agent Substances 0.000 claims abstract description 34
- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 30
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000011591 potassium Substances 0.000 claims abstract description 26
- 229910052700 potassium Inorganic materials 0.000 claims abstract description 26
- 239000010451 perlite Substances 0.000 claims abstract description 25
- 235000019362 perlite Nutrition 0.000 claims abstract description 25
- 239000000843 powder Substances 0.000 claims abstract description 22
- 239000000203 mixture Substances 0.000 claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000002994 raw material Substances 0.000 claims abstract description 16
- 229920001577 copolymer Polymers 0.000 claims abstract description 8
- XEKOWRVHYACXOJ-UHFFFAOYSA-N ethyl acetate Substances CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229920005989 resin Polymers 0.000 claims abstract description 6
- 239000011347 resin Substances 0.000 claims abstract description 6
- MQIUGAXCHLFZKX-UHFFFAOYSA-N Di-n-octyl phthalate Natural products CCCCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCCC MQIUGAXCHLFZKX-UHFFFAOYSA-N 0.000 claims abstract description 5
- BJQHLKABXJIVAM-UHFFFAOYSA-N bis(2-ethylhexyl) phthalate Chemical compound CCCCC(CC)COC(=O)C1=CC=CC=C1C(=O)OCC(CC)CCCC BJQHLKABXJIVAM-UHFFFAOYSA-N 0.000 claims abstract description 5
- 230000002745 absorbent Effects 0.000 claims abstract description 3
- 239000002250 absorbent Substances 0.000 claims abstract description 3
- 239000000741 silica gel Substances 0.000 claims abstract 4
- 229910002027 silica gel Inorganic materials 0.000 claims abstract 4
- 239000004035 construction material Substances 0.000 claims description 54
- 239000000377 silicon dioxide Substances 0.000 claims description 33
- 229910001562 pearlite Inorganic materials 0.000 claims description 20
- 239000011083 cement mortar Substances 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 5
- 238000000498 ball milling Methods 0.000 claims description 4
- 239000011398 Portland cement Substances 0.000 claims description 3
- 239000004567 concrete Substances 0.000 abstract description 20
- -1 flexibilizer Substances 0.000 abstract 1
- 230000006835 compression Effects 0.000 description 21
- 238000007906 compression Methods 0.000 description 21
- 238000003756 stirring Methods 0.000 description 8
- 230000004048 modification Effects 0.000 description 5
- 238000012986 modification Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000012779 reinforcing material Substances 0.000 description 4
- 235000013339 cereals Nutrition 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- PUKLDDOGISCFCP-JSQCKWNTSA-N 21-Deoxycortisone Chemical compound C1CC2=CC(=O)CC[C@]2(C)[C@@H]2[C@@H]1[C@@H]1CC[C@@](C(=O)C)(O)[C@@]1(C)CC2=O PUKLDDOGISCFCP-JSQCKWNTSA-N 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- FCYKAQOGGFGCMD-UHFFFAOYSA-N Fulvic acid Natural products O1C2=CC(O)=C(O)C(C(O)=O)=C2C(=O)C2=C1CC(C)(O)OC2 FCYKAQOGGFGCMD-UHFFFAOYSA-N 0.000 description 2
- 230000002742 anti-folding effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- DOIRQSBPFJWKBE-UHFFFAOYSA-N dibutyl phthalate Chemical compound CCCCOC(=O)C1=CC=CC=C1C(=O)OCCCC DOIRQSBPFJWKBE-UHFFFAOYSA-N 0.000 description 2
- BFMKFCLXZSUVPI-UHFFFAOYSA-N ethyl but-3-enoate Chemical group CCOC(=O)CC=C BFMKFCLXZSUVPI-UHFFFAOYSA-N 0.000 description 2
- 229940095100 fulvic acid Drugs 0.000 description 2
- 239000002509 fulvic acid Substances 0.000 description 2
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 description 2
- BPQQTUXANYXVAA-UHFFFAOYSA-N Orthosilicate Chemical compound [O-][Si]([O-])([O-])[O-] BPQQTUXANYXVAA-UHFFFAOYSA-N 0.000 description 1
- 239000006004 Quartz sand Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000002270 dispersing agent Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 239000005038 ethylene vinyl acetate Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 235000013312 flour Nutrition 0.000 description 1
- 239000010881 fly ash Substances 0.000 description 1
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 229920001285 xanthan gum Polymers 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/04—Portland cements
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention belongs to the technical field of building materials, and particularly relates to a high-hardness building material and a preparation method thereof, wherein the material is prepared from the following raw materials in parts by weight: 60-90 parts of cement, 40-80 parts of sand, 10-20 parts of perlite powder, 5-10 parts of silica gel powder, 2-5 parts of toughening agent, 1-2 parts of water reducing agent and 0.5-1 part of potassium fulvate; the toughening agent is a mixture of any two of ethylene-ethyl acetate copolymer, dioctyl phthalate, silica gel powder or super absorbent resin. The invention combines cement, sand, perlite powder, silica gel powder, flexibilizer, water reducer and potassium fulvate, and can improve the compressive strength and the flexural strength of the concrete building material, thereby improving the hardness and the toughness of the material.
Description
Technical field
The invention belongs to building material technical fields, and in particular to a kind of high rigidity construction material and preparation method.
Background technology
Construction material is the basis of architectural engineering, and concrete as traditional architecture engineering material, is added into cement
The auxiliary materials such as sand add water stirring after-hardening to form, and concrete material preparation process is simple, and fire protecting performance is higher.But due to
The auxiliary material proportion that is added in cement is different, leads to that the tensile strength of material is low, hardness is poor, it is difficult to meet on existing market
High rigidity and high tenacity construction material demand.Therefore, it is necessary to traditional cement concrete material is made improvements.
Chinese patent CN 104446250B disclose a kind of high tenacity construction material, including meeting fibrous material, silicate
Composite fibre is passed through dispersion by cement, calcium carbonate, flyash, silica flour, dispersant, water-reducing agent, thickener and toughener, the material
Agent is uniformly distributed, and changes the mechanical property of material, improves the toughness and blocking effect of traditional building material.But this is specially
The advantage of profit is raising toughness, and hardness performance maintains essentially in conventional concrete material horizontal.
Chinese patent CN 107382158A disclose a kind of high rigidity construction material, including cement, perlite, inertia material
Material, dibutyl phthalate, xanthans and water by the rational proportion of these materials, enhance conventional cement concrete material
The hardness of material extends the service life of material.But the material only improves hardness by adjusting the proportionings of different raw material,
Raw material type cement, perlite, quartz sand etc. are still limited in conventional cement concrete range, although improving the hard of material
Degree, but since these raw material hardness of selection are higher, so the toughness of material is affected.
To sum up, problem of the existing technology is to lack a kind of concrete construction material of the high rigidity with excellent toughness
Material.
Invention content
Of the existing technology in order to solve the problems, such as, the object of the present invention is to provide a kind of high rigidity construction material and preparations
Method develops a kind of concrete building material of the high rigidity with excellent toughness.
A kind of high rigidity construction material provided by the invention, is made of the raw material components of following parts by weight：Cement 60~90
Part, 40~80 parts of sand, 10~20 parts of crushed crude pearlite, 5~10 parts of silica white, 2~5 parts of toughener, 1~2 part of water-reducing agent, fulvic acid
0.5~1 part of potassium；
The toughener is ethylene-ethyl acetate copolymer, dioctyl phthalate, silica white or high-hydroscopicity tree
Arbitrary two kinds of mixture in fat.
Preferably, above-mentioned high rigidity construction material, is made of the raw material components of following parts by weight：60 parts of cement, 80 parts of sand,
15 parts of crushed crude pearlite, 8 parts of silica white, 2 parts of toughener, 2 parts of water-reducing agent, 0.5 part of potassium fulvate.
Preferably, in above-mentioned high rigidity construction material, the cement is portland cement.
Preferably, in above-mentioned high rigidity construction material, maximum particle diameter≤10mm of the sand.
Preferably, in above-mentioned high rigidity construction material, maximum particle diameter≤5mm of the silica white.
Preferably, in above-mentioned high rigidity construction material, the crushed crude pearlite be perlite through ball mill ball milling into 100~
200 mesh powders.
The present invention also provides a kind of preparation methods of above-mentioned high rigidity construction material, include the following steps：
S1 weighs each component by following parts by weight：60~90 parts of cement, 40~80 parts of sand, 10~20 parts of crushed crude pearlite,
5~10 parts of silica white, 2~5 parts of toughener, 1~2 part of water-reducing agent, 0.5~1 part of potassium fulvate；And perlite is worn into 100~
The perlite powder of 200 mesh；
S2, the sand that S1 is weighed, crushed crude pearlite, silica white and potassium fulvate are sufficiently mixed, and obtain material blends；
S3, the cement weighed into S1 add in water, are mixed to get cement mortar, then add in the water-reducing agent weighed in S1, increase
It tough dose, is added in the material blends of S2 after being sufficiently mixed, is sufficiently mixed again, obtain high rigidity construction material.
Preferably, the preparation method of above-mentioned high rigidity construction material, in S3, the weight of the water of addition is cement and sand gross weight
The 1/8~1/6 of amount.
Compared with prior art, high rigidity construction material provided by the invention, has the advantages that：
The present invention develops a kind of concrete building material of the high rigidity with excellent toughness, by cement, sand, perlite
Powder, silica white, toughener, water-reducing agent and potassium fulvate are used in combination, can improve concrete building material compression strength and
Flexural strength, and then the hardness and toughness of material are improved, it has a good application prospect in building trade.Wherein crushed crude pearlite master
It is reinforcing material hardness to act on, and silica white main function is reinforcing material toughness, potassium fulvate both can with reinforcing material toughness,
It can also reinforcing material hardness.
Specific embodiment
The present invention is described in detail With reference to embodiment, it is to be understood that protection scope of the present invention is simultaneously
It is not restricted by specific implementation.The test method of actual conditions is not specified in the following example, usually according to normal condition
Operation, the experiment material source being not specified is commercially available, due to not being related to inventive point, therefore its step is not described in detail.
The present invention provides a kind of high rigidity construction materials, are made of the raw material components of following parts by weight：Cement 60~90
Part, 40~80 parts of sand, 10~20 parts of crushed crude pearlite, 5~10 parts of silica white, 2~5 parts of toughener, 1~2 part of water-reducing agent, fulvic acid
0.5~1 part of potassium；
The toughener is ethylene-ethyl acetate copolymer, dioctyl phthalate, silica white or high-hydroscopicity tree
Arbitrary two kinds of mixture in fat.
Based on same inventive concept, the present invention also provides a kind of preparation method of high rigidity construction material, including with
Lower step：
S1 weighs each component by following parts by weight：60~90 parts of cement, 40~80 parts of sand, 10~20 parts of crushed crude pearlite,
5~10 parts of silica white, 2~5 parts of toughener, 1~2 part of water-reducing agent, 0.5~1 part of potassium fulvate；And perlite is worn into 100~
The perlite powder of 200 mesh；
S2, the sand that S1 is weighed, crushed crude pearlite, silica white and potassium fulvate are sufficiently mixed, and obtain material blends；
S3, the cement weighed into S1 add in water, are mixed to get cement mortar, then add in the water-reducing agent weighed in S1, increase
It tough dose, is added in the material blends of S2 after being sufficiently mixed, is sufficiently mixed again, obtain high rigidity construction material, it is spare.
Following embodiment is specifically included, the water-reducing agent used in following embodiments is practical for commercially available poly carboxylic acid series water reducer
Other commercially available cement water reducing agents can also be selected in application process；The cement is portland cement；The maximum of the sand
Grain size≤10mm；Maximum particle diameter≤5mm of the silica white；The crushed crude pearlite be perlite through ball mill ball milling into 100~
200 mesh powders.
Embodiment 1
A kind of high rigidity construction material, is made of the raw material components of following parts by weight：60 parts of cement, 80 parts of sand, perlite
15 parts of powder, 8 parts of silica white, 2 parts of toughener, 2 parts of water-reducing agent, 0.5 part of potassium fulvate；The toughener is ethylene vinyl acetate
Copolymer, dioctyl phthalate are according to 1:The mixture that 1 weight ratio mixes.Above-mentioned high rigidity construction material according to
Following methods are made：
S1 weighs each component by following parts by weight：60 parts of cement, 15 parts of crushed crude pearlite, 8 parts of silica white, increases 80 parts of sand
Tough dose 2 parts, 2 parts of water-reducing agent, 0.5 part of potassium fulvate；And perlite is worn into the perlite powder of 200 mesh of grain size；
S2, the sand that S1 is weighed, crushed crude pearlite, silica white and potassium fulvate are sufficiently mixed, and obtain material blends；
S3, the cement that is weighed into S1 add in water, and the weight of the water of addition is the 1/8 of cement and sand total weight to be mixed to get
Then cement mortar adds in water-reducing agent, the toughener weighed in S1, is added in the material blends of S2 after being sufficiently mixed, again
It is sufficiently mixed, obtains high rigidity construction material, it is spare.
High rigidity construction material prepared by embodiment 1 is mixed in single horizontal shaft forced type concrete mixer (HJW-30 types)
Stirring 2-3min, slump 208mm are closed, the slump after one hour is 206mm, is not lost substantially；The anti-folding of test 7 days
Intensity is 4.8MPa, and the flexural strength of test 28 days is 5.5MPa；The compression strength of test 7 days is 30.5MPa, is tested 28 days
Compression strength is 41.6MPa.With higher compression strength and flexural strength.
Embodiment 2
A kind of high rigidity construction material, is made of the raw material components of following parts by weight：90 parts of cement, 80 parts of sand, perlite
20 parts of powder, 10 parts of silica white, 2 parts of toughener, 2 parts of water-reducing agent, 1 part of potassium fulvate；The toughener is pungent for phthalic acid two
Ester, silica white are according to 1:The mixture that 1 weight ratio mixes.Above-mentioned high rigidity construction material is made in accordance with the following methods：
S1 weighs each component by following parts by weight：90 parts of cement, 80 parts of sand, 20 parts of crushed crude pearlite, 10 parts of silica white,
5 parts of toughener, 2 parts of water-reducing agent, 1 part of potassium fulvate；And perlite is worn into the perlite powder of the mesh of grain size≤200；
S2, the sand that S1 is weighed, crushed crude pearlite, silica white and potassium fulvate are sufficiently mixed, and obtain material blends；
S3, the cement weighed into S1 add in water, and the weight of the water of addition is the 1/8 of cement and sand total weight, is mixed
To cement mortar, water-reducing agent, the toughener weighed in S1 is then added in, is added in the material blends of S2 after being sufficiently mixed, then
It is secondary to be sufficiently mixed, high rigidity construction material is obtained, it is spare.
High rigidity construction material prepared by embodiment 2 is mixed in single horizontal shaft forced type concrete mixer (HJW-30 types)
Stirring 2-3min, slump 210mm are closed, the slump after one hour is 210mm, is not lost；The flexural strength of test 7 days
For 4.9MPa, the flexural strength of test 28 days is 5.8MPa；The compression strength of test 7 days is 31.5MPa, tests the resistance to compression of 28 days
Intensity is 42.1MPa.With higher compression strength and flexural strength.
Embodiment 3
A kind of high rigidity construction material, is made of the raw material components of following parts by weight：80 parts of cement, 40 parts of sand, perlite
10 parts of powder, 5 parts of silica white, 3 parts of toughener, 1 part of water-reducing agent, 0.6 part of potassium fulvate；The toughener is silica white and high water absorption
Property resin is according to 1:The mixture that 1 weight ratio mixes.For preparation method with embodiment 2, difference lies in will be formulated to be changed to reality
Apply the high rigidity construction material formula of example 3.
High rigidity construction material prepared by embodiment 1 is mixed in single horizontal shaft forced type concrete mixer (HJW-30 types)
Stirring 2-3min, slump 208mm are closed, the slump after one hour is 208mm, is not lost；The flexural strength of test 7 days
For 4.9MPa, the flexural strength of test 28 days is 5.8MPa；The compression strength of test 7 days is 31.5MPa, tests the resistance to compression of 28 days
Intensity is 41.1MPa.With higher compression strength and flexural strength.
Embodiment 4
A kind of high rigidity construction material, is made of the raw material components of following parts by weight：75 parts of cement, 55 parts of sand, perlite
16 parts of powder, 8 parts of silica white, 4 parts of toughener, 1.5 parts of water-reducing agent, 0.8 part of potassium fulvate；The toughener is ethyl vinyl acetate second
Ester copolymer, silica white are according to 1:The mixture that 1 weight ratio mixes.For preparation method with embodiment 2, difference lies in will match
The high rigidity construction material formula of Fang Gaiwei embodiments 4.
High rigidity construction material prepared by embodiment 1 is mixed in single horizontal shaft forced type concrete mixer (HJW-30 types)
Stirring 2-3min, slump 206mm are closed, the slump after one hour is 205mm, is not lost substantially；The anti-folding of test 7 days
Intensity is 4.7MPa, and the flexural strength of test 28 days is 5.8MPa；The compression strength of test 7 days is 32.3MPa, is tested 28 days
Compression strength is 40.1MPa.With higher compression strength and flexural strength.
Embodiment 5
A kind of high rigidity construction material, is made of the raw material components of following parts by weight：85 parts of cement, 66 parts of sand, perlite
12 parts of powder, 6 parts of silica white, 4.5 parts of toughener, 1.6 parts of water-reducing agent, 1 part of potassium fulvate；The toughener is ethyl vinyl acetate second
Ester copolymer, super absorbent resin are according to 1:The mixture that 1 weight ratio mixes.Preparation method is distinguished with embodiment 2
In that will be formulated the high rigidity construction material formula that is changed to embodiment 5, in the preparation method of high rigidity construction material, by the water of addition
Change Weight To cement and sand total weight 1/6.
High rigidity construction material prepared by embodiment 5 is mixed in single horizontal shaft forced type concrete mixer (HJW-30 types)
Stirring 2-3min, slump 206mm are closed, the slump after one hour is 206mm, is not lost；The flexural strength of test 7 days
For 4.4MPa, the flexural strength of test 28 days is 5.8MPa；The compression strength of test 7 days is 30.5MPa, tests the resistance to compression of 28 days
Intensity is 40.3MPa.With higher compression strength and flexural strength.
Comparative example 1
A kind of high rigidity construction material, is made of the raw material components of following parts by weight：85 parts of cement, 66 parts of sand, perlite
12 parts of powder, 6 parts of silica white, 4.5 parts of toughener, 1.6 parts of water-reducing agent；The toughener is ethylene-ethyl acetate copolymer, high suction
Water-base resin is according to 1:The mixture that 1 weight ratio mixes.For preparation method with embodiment 2, difference lies in will be formulated to be changed to
The high rigidity construction material formula of embodiment 6.
High rigidity construction material prepared by embodiment 1 is mixed in single horizontal shaft forced type concrete mixer (HJW-30 types)
Stirring 2-3min, slump 210mm are closed, the slump after one hour is 206mm, is not lost；The flexural strength of test 7 days
For 3.8MPa, the flexural strength of test 28 days is 4.4MPa；The resistance to compression degree of test 7 days is 25.0MPa, tests the pressure resistance of 28 days
It spends for 30.4MPa.With higher compression strength and flexural strength.
Comparative example 2
A kind of high rigidity construction material, is made of the raw material components of following parts by weight：85 parts of cement, 66 parts of sand, perlite
12 parts of powder, 4.5 parts of toughener, 1.6 parts of water-reducing agent, 1 part of potassium fulvate；The toughener is ethylene-ethyl acetate copolymer, height
Water-absorbing resins are according to 1:The mixture that 1 weight ratio mixes.For preparation method with embodiment 2, difference lies in will be formulated to change
High rigidity construction material formula for embodiment 6.
High rigidity construction material prepared by embodiment 1 is mixed in single horizontal shaft forced type concrete mixer (HJW-30 types)
Stirring 2-3min, slump 212mm are closed, the slump after one hour is 206mm, is not lost；The flexural strength of test 7 days
For 3.8MPa, the flexural strength of test 28 days is 4.3MPa；The resistance to compression degree of test 7 days is 28.3MPa, tests the pressure resistance of 28 days
It spends for 37.1MPa.With higher compression strength and flexural strength.
Compare the data of above-described embodiment and comparative example, the results showed that a kind of height with excellent toughness provided by the invention
The concrete building material of hardness, cement, sand, crushed crude pearlite, silica white, toughener, water-reducing agent and potassium fulvate, which are combined, to be made
With, the compression strength and flexural strength of concrete building material can be improved, and then improve the hardness and toughness of material,
Although preferred embodiments of the present invention have been described, but those skilled in the art once know basic creation
Property concept, then additional changes and modifications may be made to these embodiments.So appended claims be intended to be construed to include it is excellent
It selects embodiment and falls into all change and modification of the scope of the invention.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
God and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (8)
1. a kind of high rigidity construction material, which is characterized in that be made of the raw material components of following parts by weight：60~90 parts of cement,
40~80 parts of sand, 10~20 parts of crushed crude pearlite, 5~10 parts of silica white, 2~5 parts of toughener, 1~2 part of water-reducing agent, potassium fulvate
0.5~1 part；
The toughener is ethylene-ethyl acetate copolymer, is appointed in dioctyl phthalate, silica white, super absorbent resin
The mixture of two kinds of meaning.
2. high rigidity construction material according to claim 1, which is characterized in that by the raw material components system of following parts by weight
Into：60 parts of cement, 80 parts of sand, 15 parts of crushed crude pearlite, 8 parts of silica white, 2 parts of toughener, 2 parts of water-reducing agent, 0.5 part of potassium fulvate.
3. high rigidity construction material according to claim 1, which is characterized in that the cement is portland cement.
4. high rigidity construction material according to claim 1, which is characterized in that maximum particle diameter≤10mm of the sand.
5. high rigidity construction material according to claim 1, which is characterized in that maximum particle diameter≤5mm of the silica white.
6. high rigidity construction material according to claim 1, which is characterized in that the crushed crude pearlite is perlite through ball milling
Machine ball milling is into 100~200 mesh powders.
7. the preparation method of high rigidity construction material according to claim 1, which is characterized in that include the following steps：
S1 weighs each component by following parts by weight：60~90 parts of cement, 40~80 parts of sand, 10~20 parts of crushed crude pearlite, silica gel
5~10 parts of powder, 2~5 parts of toughener, 1~2 part of water-reducing agent, 0.5~1 part of potassium fulvate；And perlite is worn into 100~200 mesh
Perlite powder；
S2, the sand that S1 is weighed, crushed crude pearlite, silica white and potassium fulvate are sufficiently mixed, and obtain material blends；
S3, the cement weighed into S1 add in water, are mixed to get cement mortar, then add in water-reducing agent, the toughener weighed in S1,
It is added in the material blends of S2 after being sufficiently mixed, is sufficiently mixed again, obtain high rigidity construction material.
8. the preparation method of high rigidity construction material according to claim 7, which is characterized in that in S3, the weight of the water of addition
Amount is the 1/8~1/6 of cement and sand total weight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810124246.8A CN108249862B (en) | 2018-02-07 | 2018-02-07 | High-hardness building material and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810124246.8A CN108249862B (en) | 2018-02-07 | 2018-02-07 | High-hardness building material and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111333377A (en) * | 2020-03-09 | 2020-06-26 | 中南大学 | High-tensile-strength concrete and preparation method thereof |
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| EP1692075A2 (en) * | 2003-11-24 | 2006-08-23 | Michael Lefenfeld | Silica gel compositions containing alkali metals and alkali metal alloys |
| CN103553490A (en) * | 2013-10-16 | 2014-02-05 | 北京新奥混凝土集团有限公司 | High-collapse-retentivity concrete, and preparation method and application thereof |
| CN103664098A (en) * | 2013-11-26 | 2014-03-26 | 蚌埠市天网渔需用品有限公司 | Inorganic heat preservation mortar containing blast furnace slag |
| CN106946505A (en) * | 2017-02-10 | 2017-07-14 | 安徽键合科技有限公司 | A kind of construction wall refractory material and preparation method thereof |
| CN107382158A (en) * | 2017-06-30 | 2017-11-24 | 太仓顺如成建筑材料有限公司 | A kind of high rigidity construction material |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1692075A2 (en) * | 2003-11-24 | 2006-08-23 | Michael Lefenfeld | Silica gel compositions containing alkali metals and alkali metal alloys |
| CN103553490A (en) * | 2013-10-16 | 2014-02-05 | 北京新奥混凝土集团有限公司 | High-collapse-retentivity concrete, and preparation method and application thereof |
| CN103664098A (en) * | 2013-11-26 | 2014-03-26 | 蚌埠市天网渔需用品有限公司 | Inorganic heat preservation mortar containing blast furnace slag |
| CN106946505A (en) * | 2017-02-10 | 2017-07-14 | 安徽键合科技有限公司 | A kind of construction wall refractory material and preparation method thereof |
| CN107382158A (en) * | 2017-06-30 | 2017-11-24 | 太仓顺如成建筑材料有限公司 | A kind of high rigidity construction material |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111333377A (en) * | 2020-03-09 | 2020-06-26 | 中南大学 | High-tensile-strength concrete and preparation method thereof |
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