CN109415258A - The manufacturing method of concrete composition and concrete composition - Google Patents
The manufacturing method of concrete composition and concrete composition Download PDFInfo
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- CN109415258A CN109415258A CN201780042998.3A CN201780042998A CN109415258A CN 109415258 A CN109415258 A CN 109415258A CN 201780042998 A CN201780042998 A CN 201780042998A CN 109415258 A CN109415258 A CN 109415258A
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- flying dust
- crushing
- concrete composition
- cement
- repellence
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B14/02—Granular materials, e.g. microballoons
- C04B14/26—Carbonates
- C04B14/28—Carbonates of calcium
-
- 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
- C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B18/04—Waste materials; Refuse
- C04B18/06—Combustion residues, e.g. purification products of smoke, fumes or exhaust gases
- C04B18/08—Flue dust, i.e. fly ash
-
- 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
- C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B18/04—Waste materials; Refuse
- C04B18/14—Waste materials; Refuse from metallurgical processes
-
- 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
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/02—Treatment
- C04B20/026—Comminuting, e.g. by grinding or breaking; Defibrillating fibres other than asbestos
-
- 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
- C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
- C04B24/24—Macromolecular compounds
- C04B24/26—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
-
- 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
- C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
- C04B24/24—Macromolecular compounds
- C04B24/38—Polysaccharides or derivatives thereof
-
- 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
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/10—Production of cement, e.g. improving or optimising the production methods; Cement grinding
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Abstract
There is provided: cost-effectiveness and carrying capacity of environment reduce it is excellent, ensure high-caliber material separation repellence and/or the excellent concrete composition of blastic deformation repellence, application property.A kind of concrete composition, contains: cement and will flying dust original powder crush obtained by crush flying dust, for aforementioned crushing flying dust, flow down the range that the time is 17~27 seconds relative to the JA funnel for crushing the flying dust paste that 100 mass parts of flying dust include 50 mass parts of water.
Description
Technical field
The present invention relates to the manufacturing methods of concrete composition and concrete composition.
Background technique
The required performance of concrete is roughly divided into application property, intensity and durability.Wherein, the performance of concrete is indicated
Representative and general index is slump or the slump flow test, the compressive strength for belonging to intensity for belonging to application property.In addition, mixed
The compressive strength for coagulating soil is larger dependent on the ratio of mud, therefore, similarly larger to depend on if suitably setting the compressive strength
The durability of the ratio of mud is also ensured.In the case where the durability for being only unable to get satisfaction with the ratio of mud, also with good grounds requirement
Performance and the case where selected cement type.
It collapses or slump flow test is as the index of expression application property only becomes representative and in general, therefore,
The case where generation only judges application property with the numerical value.In fact, belonging to the material separation repellence and/or blastic deformation of application property
Repellence is also to indicate the important index of the performance of concrete.Material separates repellence and/or blastic deformation repellence and mixes
The viscosity for coagulating soil has compared with Important Relations, but in order to improve application property, when improving mobility excessively, material separate repellence and/or
Blastic deformation repellence reduces.Generate coarse aggregate the phenomenon that being partially separated from mortar, i.e., material is when separating, intensity and durability
It reduces.In addition, material separates repellence and reduces when concrete composition becomes larger to the degree of the deformation of impact.That is, material separates
Repellence and/or blastic deformation repellence are not only related to application property, still related to the raising of intensity and durability.
In order to ensure the material of concrete separates repellence and/or blastic deformation repellence, it is necessary to using material and match
Side accounts for.As ensure material separation repellence and/or blastic deformation repellence countermeasure, as often as possible using cement that
The thin powder of sample.Moreover, using the particle components such as fine aggregate to the maximum extent with the range of permission.
However, there are the limits of dosage for powder or particle components, not also being available sometimes is ensuring that material separation supports
Amount needed for the aspect of resistance and/or blastic deformation repellence.Therefore, ensuring material separation repellence and/or blastic deformation
It is sometimes micro- using blast-furnace slag micropowder, lime stone in the case that the aspect of repellence can not be supplemented with powder and particle components
The mixed materials such as powder, flying dust and silicon powder.
In this way, proposing to improve the material of concrete separation repellence, will including powder, particle components and mixing
The scheme that the material of material is compounded well as concrete material harmony (referring for example to patent document 1).On the other hand, also
Propose following technology: by thickener and water not separation property mix special the mixings agent such as agent assigned in the way of chemical it is viscous
Property, Lai Tigao material separates repellence (referring for example to patent document 2).
Existing technical literature
Patent document
Patent document 1: Japanese Unexamined Patent Publication 2014-114176 bulletin
Patent document 2: Japanese Unexamined Patent Publication 2005-281088 bulletin
Summary of the invention
Problems to be solved by the invention
It has been observed that appropriateness includes powder in order to ensure the material of concrete separates repellence and/or blastic deformation repellence
Become basic means with particle components.However, improving material separation repellence and/or impact using powder and particle components
When deforming repellence, viscosity is caused to increase the reduction of caused application property sometimes.It is additionally ensured that cement amount and raising material point
When from repellence and/or blastic deformation repellence, thermal cracking caused by the increase of cement amount is developed into sometimes, self-constriction increases
Big problem.
Therefore, comprising in the mixed materials such as silicon powder and thickener and water not separation property mix the special mixing agent such as agent at
For very wise move.However, these mixed materials and special mixing agent are very expensive material, if only for ensuring that material separation is supported
Resistance and/or blastic deformation repellence and the problem of contain, then do not meet cost-effectiveness.
Therefore, the object of the present invention is to provide: cost-effectiveness and carrying capacity of environment reduce it is excellent, ensure high-caliber material
Material separation repellence and/or the excellent concrete composition of blastic deformation repellence, application property.
The solution to the problem
It has made intensive studies in order to achieve the above objectives, as a result present inventor have discovered that considering that cost-effectiveness and environment are negative
Lotus is reduced, and in a manner of with specific physical property, compounding crushes flying dust obtained by crushing flying dust original powder, so as to provide really
Protect high-caliber material separation repellence and/or the excellent concrete composition of blastic deformation repellence, application property, it is contemplated that this
Invention.That is, the present invention is for example following.
[1] a kind of concrete composition, contains: cement and will flying dust original powder crush obtained by crush flying dust,
For aforementioned crushing flying dust, relative to the JA for crushing flying dust paste of 100 mass parts of flying dust comprising 50 mass parts of water
The range that it is 17~27 seconds the time that funnel, which flows down,.
[2] a kind of concrete composition, contains: cement and will flying dust original powder crush obtained by crush flying dust,
For aforementioned crushing flying dust, using " 9.2.3 machinery, which is mediated, uses kneading machine " of JIS R5201 by aforementioned crushing flying dust
When being stirred with the mixture of water, the water of aforementioned mixture when aforementioned mechanical kneading becomes maximum with the electric current flowed through in kneading machine
Powder quality ratio is 23~27%.
[3] a kind of concrete composition, contains: cement and will flying dust original powder crush obtained by crush flying dust,
For aforementioned crushing flying dust, smashed heap bulk specific gravity is increased relative to the heap bulk specific gravity before crushing
1.5% or more and 3.0% or less.
[4] concrete composition according to any one of aforementioned [1]~[3], wherein the aforementioned calcination for crushing flying dust
Weightlessness is 3 mass % or more and 10 mass % or less.
[5] concrete composition according to any one of aforementioned [1]~[4], wherein the aforementioned content for crushing flying dust
The every 1m of volume relative to concrete composition3For 20kg or more and 150kg or less.
[6] concrete composition according to any one of aforementioned [1]~[5], wherein also containing selected from mixed material
With it is special mixing agent in it is at least one kind of.
[7] concrete composition according to any one of aforementioned [1]~[6], wherein aforementioned cement is selected from by general
At least 1 in group that logical Portland cement, early strong Portland cement, middle hot Portland cement and low-heat Portland cement form
Kind.
[8] a kind of manufacturing method of concrete composition is that will crush containing cement and obtained by the crushing of flying dust original powder
The manufacturing method of the concrete composition of flying dust, comprises the following steps:
With smashed heap bulk specific gravity relative to the heap bulk specific gravity before crushing increase 1.5% or more and 3.0% with
Under mode, by aforementioned flying dust original powder crush and formed it is aforementioned crush flying dust process；With,
By aforementioned cement and the aforementioned process for crushing flying dust compounding.
[9] manufacturing method of the concrete composition according to aforementioned [8], wherein the calcination of aforementioned flying dust original powder is lost
Weight is 3 mass % or more and 10 mass % or less.
The effect of invention
According to the present invention it is possible to provide: cost-effectiveness and carrying capacity of environment reduction are excellent, ensure that high-caliber material separation is supported
Resistance and/or the excellent concrete composition of blastic deformation repellence, application property.
Specific embodiment
The concrete composition of embodiments of the present invention contains cement and crushes flying dust obtained by crushing flying dust original powder,
For crushing flying dust, the time is flowed down relative to the JA funnel for crushing the flying dust paste that 100 mass parts of flying dust include 50 mass parts of water
For 17~27 seconds ranges.
In this specification, JA funnel flows down the time and refers to, " the fluidity test side of PC grouting according to JSCE-F531
Method " flows down the time using what the grouting mobility cone of MIC-363-0-03 measured.
In this specification, sometimes by the JA funnel of the flying dust paste relative to 100 mass parts of flying dust comprising 50 mass parts of water
Flowing down the time is recorded as " JA funnel flows down the time " or " the JA funnel of flying dust paste flows down the time ".
In this specification, " crushing flying dust " refers to, the substance of crushing and processing is implemented to flying dust original powder.Crushing flying dust can be with
Meet the regulation of JIS.In this specification, for crushing flying dust, the whole for not needing each particle contained in flying dust original powder passes through
Crushing and processing and grain refined, a part of particle contained in flying dust original powder also contain without broken even across crushing and processing
, in the case where implementing crushing and processing to flying dust original powder, also refer to crushing flying dust.
As the grinding device for implementing crushing and processing, it is (right to container application vibration that ball mill, vibrating mill can be used
Medium (ball and stick) transmitting inside container is vibrated and makes powder grain refined) etc..About the crushing of flying dust original powder, for gained powder
Broken flying dust, relative to crush 100 mass parts of flying dust include 50 mass parts of water flying dust paste JA funnel flow down the time be 17~
27 seconds ranges.
For crushing flying dust contained in concrete composition, the JA funnel of flying dust paste flowed down the time as 17~27 seconds
When range, the mobility of the concrete composition comprising the crushing flying dust is excellent, and has the viscosity of appropriateness, can be improved and applies
Work.For crushing flying dust, the model that it is 17~27 seconds the time that the JA funnel of flying dust paste, which flows down, contained in concrete composition
When enclosing, it can ensure that high material separates repellence by the mobility of appropriateness.Material separation repellence can be subtracted by rebound
Lack effect and evaluate indirectly, the blastic deformation repellence of concrete composition can also be evaluated by reducing effect by rebound.Instead
Bullet reduces effect and refers to, the extension number using the test method measurement recorded in embodiment is more, and rebound reduction effect is bigger,
It can be evaluated as material separation repellence and/or blastic deformation repellence is excellent.For crushing flying dust, the JA funnel of flying dust paste
When flowing down the time lower than 17 seconds, got higher comprising crushing the mobility of concrete composition of flying dust, viscosity excessively reduces, on the contrary
Application property reduces sometimes.On the other hand, it for crushing flying dust, when the JA funnel of flying dust paste flows down the time and is more than 27 seconds, flows
Property is lower, and can not improve application property sometimes.
Relative to crush 100 mass parts of flying dust include 50 mass parts of water flying dust paste JA funnel flow down the time be 17~
The crushing flying dust of 27 seconds ranges, from the viewpoint of improving application property with ensuring that high material separates repellence, for aforementioned
Flying dust is crushed, is stirred the mixture of aforementioned crushing flying dust and water using " 9.2.3 machinery, which is mediated, uses kneading machine " of JIS R5201
When, the pigment body mass ratio of aforementioned mixture when aforementioned mechanical kneading becomes maximum with the electric current flowed through in kneading machine is preferably
23~27%.
In addition, flowing down the time relative to the JA funnel for crushing the flying dust paste that 100 mass parts of flying dust include 50 mass parts of water
For the crushing flying dust of 17~27 seconds ranges, from the viewpoint of raising application property with ensuring that high material separates repellence, powder
Heap bulk specific gravity after broken preferably increases 1.5% or more and 3.0% or less relative to the heap bulk specific gravity before crushing.
The concrete composition of embodiments of the present invention contains cement and crushes flying dust obtained by crushing flying dust original powder,
For aforementioned crushing flying dust, using " 9.2.3 machinery, which is mediated, uses kneading machine " of JIS R5201 by the mixed of aforementioned crushing flying dust and water
The pigment weight of aforementioned mixture when aforementioned mechanical kneading becomes maximum with the electric current flowed through in kneading machine when closing object stirring
Than being 23~27%.
Measurement will be changed using " 9.2.3 machinery mediates kneading machine " of JISR5201 relative to crushing flying dust 1000g
Water ratio mixture stirring when be powered current value when, water phase is certain for the additive amount for crushing flying dust 1000g
In the case of, aforementioned mechanical kneading shows maximum value with the current value being powered in kneading machine.In this specification, sometimes by aforementioned mechanical
Kneading becomes the quality of the water in maximum mixture with the current value being powered in kneading machine relative to the quality for crushing flying dust
Ratio is recorded as " the pigment body mass ratio under maximum current value ".
Pigment body mass ratio under maximum current value is the distinctive numerical value of powder as object.Water under maximum current value
Powder quality ratio can be defined as constraint water ratio, be realized as the distinctive numerical value of powder.Water is constrained than indicating in powder about
The quality of the water of beam.When the current value being powered in " 9.2.3 machinery, which is mediated, uses kneading machine " of JIS R5201 becomes maximum, disobey
Rely the type in blender, the working order (low-speed or high-speed) of blender.When being slowly added to water in powder and measuring stirring
The aforementioned mechanical kneading current value being powered in kneading machine when, current value shows peak in certain pigment body mass ratio.At this point,
The movement of the paddle of aforementioned mechanical kneading kneading machine does not change, and can not identify completely in appearance.Stirring torque becomes most
Big pigment body mass ratio can only be identified with the variation of current value.
For aforementioned crushing flying dust, using " 9.2.3 machinery, which is mediated, uses kneading machine " of JIS R5201 by aforementioned crushing flying dust
With water be kneaded stir when, aforementioned mechanical kneading with the current value being powered in kneading machine become maximum pigment body mass ratio be 23~
When 27%, crushes flying dust and moderately adsorb water, the mobility of the concrete composition comprising the crushing flying dust is excellent and has
The viscosity of appropriateness, can be improved application property.For aforementioned crushing flying dust, when aforementioned flying dust and water are kneaded stirring, stirring torque
The crushing flying dust for being 23~27% as maximum pigment body mass ratio moderately adsorbs water, therefore, the coagulation comprising the flying dust
Native composition may insure high material separation repellence and/or blastic deformation repellence.For crushing flying dust, aforementioned mechanical is used
When aforementioned flying dust and water are kneaded stirring by kneading kneading machine, aforementioned mechanical kneading is become most with the current value being powered in kneading machine
When big pigment body mass ratio is lower than 23%, the amount for crushing the water constrained in flying dust is few, anti-if for blowing concrete
Bullet becomes more, has the tendency that rebound reduces effect and reduces.For crushing flying dust, with aforementioned mechanical kneading kneading machine by aforementioned flying dust
When being kneaded stirring with water, aforementioned mechanical kneading becomes maximum pigment body mass ratio with the current value being powered in kneading machine and is more than
When 27%, the quantitative change for crushing the water constrained in flying dust is more, and the mobility being kneaded under fresh state originally reduces, and viscosity increases
Add, on the other hand, a large amount of water of taken in excess, rebound becomes more, and the blastic deformation repellence needed for rebound reduces can reduce.
It is preceding when " 9.2.3 machinery is mediated with kneading machine " for using JIS R5201 will crush flying dust and water mixing stirring
Stating mechanical kneading becomes the crushing flying dust that maximum pigment body mass ratio is 23~27% with the electric current being powered in kneading machine, from mentioning
High application property with ensure that high material separates repellence and/or blastic deformation repellence from the perspective of, the JA of flying dust paste leaks
Bucket flows down the range that the time is preferably 17~27 seconds.
Flying dust will be crushed using aforementioned mechanical kneading kneading machine and water is kneaded when stirring, and aforementioned mechanical will be mediated with mixed
The electric current being powered in mill becomes the crushing flying dust that maximum pigment body mass ratio is 23~27%, from raising application property and ensures
From the perspective of high material separation repellence and/or blastic deformation repellence, smashed heap bulk specific gravity is relative to crushing
Preceding heap bulk specific gravity preferably increases 1.5% or more and 3.0% or less.
The concrete composition of embodiments of the present invention contains cement and crushes flying dust obtained by crushing flying dust original powder,
For crushing flying dust, smashed heap bulk specific gravity increases 1.5% or more and 3.0% relative to the heap bulk specific gravity before crushing
Below.In this specification, the increase by the smashed heap bulk specific gravity of flying dust relative to the heap bulk specific gravity before crushing sometimes
Rate is known as " increment rate of heap bulk specific gravity ".
When crushing the increment rate of the heap bulk specific gravity of flying dust lower than 1.5%, it is unable to ensure sufficient material separation repellence
And/or blastic deformation repellence.In addition, when the increment rate for crushing the heap bulk specific gravity of flying dust is more than 3.0%, mobility and construction
Property reduce.From the above point of view, the smashed heap bulk specific gravity for crushing flying dust is excellent relative to the heap bulk specific gravity before crushing
Choosing increases 1.6% or more and 2.9% or less, more preferably increases 1.7% or more and 2.8% or less, further preferably increases
1.8% or more and 2.7% or less.
In this specification, " heap bulk specific gravity " refers to, in volume 400cm3Above and 410cm3It is filled out in iron ware below
After useing the powder (flying dust) for measure object as, applied drop movements 70 times using flow table specified in JIS R 5201:2015
When powder apparent density.
1.5% or more and 3.0% is increased relative to the heap bulk specific gravity before crushing for smashed heap bulk specific gravity
Crushing flying dust below, from improve application property with ensure that high material separates the viewpoint of repellence and/or blastic deformation repellence
It sets out, the JA funnel of flying dust paste flows down the range that the time is preferably 17~27 seconds.
1.5% or more and 3.0% is increased relative to the heap bulk specific gravity before crushing for smashed heap bulk specific gravity
Crushing flying dust below, from improve application property with ensure that high material separates the viewpoint of repellence and/or blastic deformation repellence
It sets out, it is aforementioned when aforementioned crushing flying dust and water being kneaded stirring using " 9.2.3 machinery, which is mediated, uses kneading machine " of JIS R5201
It is preferably 23~27% that mechanical kneading, which becomes maximum pigment body mass ratio with the current value being powered in kneading machine,.
The heap bulk specific gravity for crushing flying dust is preferably 1.12~1.13g/cm3.The heap bulk specific gravity for crushing flying dust is 1.12
~1.13g/cm3When, the mobility of the concrete composition comprising the crushing flying dust is excellent and has the viscosity of appropriateness, can be with
Application property is improved, and may insure high material separation repellence and/or blastic deformation repellence.
From the viewpoint of ensuring sufficient application property, the calcination loss for crushing flying dust is preferably 3 mass % or more and 10
Quality % or less.The calcination loss for crushing flying dust is more preferably 3 mass % or more and 9 mass % or less, further preferably 3 matter
Measure % or more and 8 mass % or less.Calcination loss can be measured by the method recorded in aftermentioned embodiment.Crush flying dust
The mechanism that calcination loss is conducive to application property is unclear, but the calcination loss for crushing flying dust is 3 mass % or more and 10 matter
When measuring % or less, the viscosity of appropriateness can be assigned to the concrete composition comprising the crushing flying dust and cement, it is available to fill
The application property divided.
The type of the cement contained in concrete composition is not particularly limited, and is preferably selected from by Ordinary Portland water
It is at least one kind of in the group that mud, early strong Portland cement, middle hot Portland cement and low-heat Portland cement form.
Volume every 1m of the compounding amount of cement in concrete composition relative to concrete composition3Preferably 300kg
Above and 420kg hereinafter, more preferably 320kg or more and 400kg hereinafter, further preferably 340kg or more and 380kg with
Under.
Concrete composition can also contain is used as constituent material such as water, fine aggregate, coarse aggregate, mixed material.Carefully
The size of the particle of aggregate is 5mm hereinafter, object well known to river sand, mountain sand, land sand, broken sand, sea sand, silica sand etc. can be used for example
Matter.The size of the particle of coarse aggregate is more than 5mm, and substance well known to gravel and sandstone plum etc. can be used for example.
Volume every 1m of the compounding amount of fine aggregate in concrete composition relative to concrete composition3Preferably
850kg or more and 1050kg hereinafter, more preferably 875kg or more and 1025kg hereinafter, further preferably 900kg or more and
1000kg or less.
Volume every 1m of the compounding amount of coarse aggregate in concrete composition relative to concrete composition3Preferably
600kg or more and 900kg hereinafter, more preferably 650kg or more and 850kg hereinafter, further preferably 700kg or more and
800kg or less.
Concrete composition is preferably also containing at least one kind of in mixed material and special mixing agent.Mixed material and
Special mixing agent is preferably contained with the range for meeting cost-effectiveness and carrying capacity of environment reduction.
As mixed material, blast-furnace slag micropowder, limestone micropowder end and silicon powder can be enumerated.
As special mixing agent, not separation property mixing agent in thickener and water can be enumerated.
As thickener, for example, the cellulose-based thickeners such as methylcellulose；The biology such as water-soluble polysaccharide is poly-
Close object system thickener；The acrylic thickeners such as acrylic acid series polymeric compounds.
As not separation property mixing agent in water, for example, using cellulose-based water soluble polymer as the fibre of principal component
It ties up prime system and mixes agent；Agent is mixed by the acrylic acid series of principal component of Polyacrylamide water soluble polymer.
From the viewpoint of ensuring high material separation repellence and/or blastic deformation repellence and sufficient application property,
Volume every 1m of the compounding amount of crushing flying dust in concrete composition relative to concrete composition3Preferably 20kg or more and
150kg or less.Crush flying dust content be more preferably 30kg or more and 140kg or less, further preferably 40kg or more and
130kg or less.
From the viewpoint of ensuring sufficient application property, the calcination loss of flying dust original powder is preferably 3 mass % or more and 10
Quality % or less.The calcination loss of flying dust original powder is more preferably 3 mass % or more and 9 mass % or less, further preferably 3 matter
Measure % or more and 8 mass % or less.Calcination loss can be measured by the method recorded in aftermentioned embodiment.Crush flying dust
The mechanism that calcination loss is conducive to application property is unclear, but the calcination loss for crushing flying dust is 3 mass % or more and 10 matter
When measuring % or less, the viscosity of appropriateness can be assigned to the concrete composition comprising the crushing flying dust and cement, it is available to fill
The application property divided.
Calcination loss is that the flying dust original powder of above range is, for example, the ash being discharged from heat power station, can be enumerated by coal dust
Burn the substance generated.As flying dust original powder, comprising: pass through air heat retrieving apparatus or economizer etc. from the burning gases of burning boiler
When fall collected flying dust, with electric dust collector acquisition flying dust, fall to burning boiler furnace bottom ash.
The concrete composition of embodiments of the present invention is preferred for blowing concrete.It blows concrete to refer to, will wrap
Concrete pressurized delivered containing concrete composition and water is blowed to specified position and is hardened from spray nozzle front end using compressed air
Technique used in concrete.Concrete blows in technique, and by the concrete blowed, aggregate is rebounded, do not blown due to the impact
The phenomenon that sending the concrete of amount of plan, amount of concrete to generate loss is known as rebounding.Rebound reduces effect and refers to following effect: blowing
Concrete it is resistance to be hit, aggregate does not rebound, and can blow the concrete close to amount of plan, and the loss of concrete is few.For tool
There is rebound to reduce the concrete composition of effect, the separation of aggregate and the ingredient (cement, flying dust etc.) other than aggregate is few, that is, material
Material separation repellence is high.In addition, the aggregate for the concrete composition that there is rebound to reduce effect does not rebound, blastic deformation repellence
It is high.By confirming that the rebound for blowing concrete reduces the superiority and inferiority of effect, material separation repellence or impact can be evaluated indirectly
Deform the superiority and inferiority of repellence.
The manufacturing method of the concrete composition of embodiments of the present invention be crush containing cement and by flying dust original powder and
Crushing flying dust concrete composition manufacturing method, comprise the following steps: with smashed heap bulk specific gravity relative to
Heap bulk specific gravity before crushing increases 1.5% or more and 3.0% mode below, and flying dust original powder is crushed and forms crushing and flies
The process of ash；With the process for being compounded cement and crushing flying dust.
The process that flying dust original powder is crushed and forms crushing flying dust can use on the heap bulk specific gravity for making to crush flying dust
State the various breaking methods of range.
Ball mill can be used in the grinding device that flying dust is crushed as production, vibrating mill (applies container and vibrates, is right
Medium (ball and stick) transmitting inside container is vibrated and makes powder grain refined) etc..
As grinding device, the revolving speed of grinding machine when using ball mill is preferably 45rpm or more and 75rpm or less, more excellent
It is selected as 50rpm or more and 70rpm or less, further preferably 55rpm or more and 65rpm or less.In addition, when using ball mill
Grinding time is preferably 3 minutes or more and 15 minutes or less, more preferably 3 minutes or more and 12 minutes or less, it is further preferred
It is 3 minutes or more and 10 minutes or less.
By cement and the process for crushing flying dust compounding by mixing cement, crushing flying dust and other constituent materials with required
The compounding of composition and division in a proportion example, and mixed with mixing machine etc., so as to prepare concrete composition.
The concrete composition of embodiments of the present invention is to be kneaded solids contained in concrete composition and water
Concrete mixture is manufactured, solids contained in the previously prepared concrete composition and can be mixed it and shape with water
At concrete mixture, as long as whole raw material of each solids contained in concrete composition and water are disposably mixed
Also the method that can be equably kneaded just is not particularly limited.
The amount of water used in mixing can change according to the type and formula of the material used, it is thus impossible to without exception
Ground determines, but the ratio of mud is preferably 50 mass % or more and 70 mass % or less, more preferably 55 mass % or more and 65 matter
Measure % or less.
Further, it is possible to use common kneading machine and be not limited to the type etc. of compounding conditions, kneading machine.
Gained concrete mixture can for example carry out the curing such as steam curing, curing in water and obtain concrete.
Concrete composition according to the present invention is crushed flying dust original powder being compounded in a manner of with specific physical property
Obtained by crush flying dust, so as to ensure high-caliber material separation repellence.Moreover, the material for passing through concrete composition
It is high to separate repellence, the application property of concrete composition is excellent, and the raising of operating efficiency may be implemented.
Embodiment
Hereinafter, according to embodiment, the present invention is described in detail, but the present invention is not by any restriction of these embodiments.
(using material)
Cement: normal portland cement (Sumitomo Osaka Cement Co., Ltd.'s system)
Water: tap water
Fine aggregate: mountain sand
Coarse aggregate: sandstone plum
Flying dust (FA): (1) as shown below~(10)
(1) (JIS A6201:2015 concrete flying dust II kind is suitble to product (classification product), 2.75 matter of calcination loss to II kind ash
Measure %)
(2) original powder (flying dust original powder, domestic heat power station production, 6.21 mass % of calcination loss)
(3) 1 minutes crushing FA (crushing flying dust, domestic heat power station produces, 6.21 mass % of calcination loss)
(4) 2 minutes crushing FA (crushing flying dust, domestic heat power station produces, 6.21 mass % of calcination loss)
(5) 3 minutes crushing FA (crushing flying dust, domestic heat power station produces, 6.21 mass % of calcination loss)
(6) 4 minutes crushing FA (crushing flying dust, domestic heat power station produces, 6.21 mass % of calcination loss)
(7) 5 minutes crushing FA (crushing flying dust, domestic heat power station produces, 6.21 mass % of calcination loss)
(8) 10 minutes crushing FA (crushing flying dust, domestic heat power station produces, 6.21 mass % of calcination loss)
(9) 20 minutes crushing FA (crushing flying dust, domestic heat power station produces, 6.21 mass % of calcination loss)
(10) 30 minutes crushing FA (crushing flying dust, domestic heat power station produces, 6.21 mass % of calcination loss)
The calcination loss of flying dust original powder and crushing flying dust is according to JIS A6201:2015 concrete with (975 DEG C, 15 points of flying dust
Clock calcination) and find out.
(crushing of flying dust original powder)
The crushing of flying dust original powder uses the tilting-type ball mill of the roller with 100 liters of capacity.The ball of investment is φ 10mm
Chromium steel ball (about 3.5kg/).It is (maximum relative to flying dust original with weight ratio meter relative to the flying dust original powder investment ball in roller
Powder 10kg is ball 100kg).After ball investment, makes grinding machine horizontal position, make the revolving speed 60rpm of grinding machine, make tilting-type ball mill
Operate it is above-mentioned as defined in the time crushed.
Flying dust is respectively crushed for (1) II kind ash, (2) flying dust original powder and (3)~(10), carries out measurement below.
(measurement of heap bulk specific gravity)
In volume 400cm3Above and 410cm3Flying dust of the filling as measure object, uses JIS in iron ware below
Flow table specified in " measurements of 12.2 slamp values " of R5201:2015 " physical test method of cement " will be applied using the flow table
The apparent density (bulk density) of flying dust after adding drop movements 70 times is used as heap bulk specific gravity, is measured.
(increment rate of heap bulk specific gravity)
Making the heap bulk specific gravity d1 of the flying dust original powder before crushing, the smashed heap bulk specific gravity for crushing flying dust is d2,
By following formula (1), the increment rate of the heap bulk specific gravity of the crushing flying dust relative to flying dust original powder is measured.Crush the heap body of flying dust
Increment rate (%)=(d2-d1)/d1 × 100 (1) of product specific gravity
(JA funnel flows down the time)
It will be mixed as the flying dust 1500g of measure object, with water 750g (being 50 mass parts of water relative to 100 mass parts of flying dust)
It refines and stirs, make flying dust paste.The mixing of flying dust and water is according to JIS R5201:2015 " physical test method of cement "
" mixing of 9.4.1 cement paste " and carry out." the mobility examination of PC grouting for gained flying dust paste, according to JSCE-F531
Proved recipe method " flows down the time using the grouting mobility cone measurement of MIC-363-0-03.
(the pigment body mass ratio under maximum current value)
Prepare the different mixture comprising crushing flying dust and water of a variety of pigment body mass ratios.
Using " 9.2.3 machinery, which is mediated, uses kneading machine " of JIS R5201, pigment body is stirred than different a variety of mixtures
It is kneaded, measures the aforementioned mechanical kneading electric current flowed through in kneading machine.The aforementioned mechanical kneading electric current flowed through in kneading machine
It measures as follows: by the current-flow test set (product of wantonly 1 in single-phase 2 feed cables of aforementioned mechanical kneading kneading machine
Name: MEMORY HiCORDER MR8870, Zhi Electric Co., Ltd) fixture clamping, when aforementioned mixture is stirred, measurement
The aforementioned mechanical kneading electric current flowed through in kneading machine measures in the different mixture of a variety of pigment body mass ratios, aforementioned mechanical
Kneading uses pigment body mass ratio of the electric current flowed through in kneading machine as maximum when as the pigment weight under maximum current value
Than.Aforementioned mechanical is mediated with the electric current of 500 amperes (A) of in kneading machine, maximum being powered.
An example of measurement as the pigment body mass ratio under maximum current value, will be relative to aforementioned flying dust (1) II kind ash
(JIS A6201:2015 concrete is suitble to product (classification product) with flying dust II kind), 1000g was added to each mixed of the water of the amount of Table 1
It closes object to stir with aforementioned mechanical kneading with kneading machine, aforementioned mechanical kneading is shown in the measured value for the electric current being powered in kneading machine
Table 1.For each flying dust, aforementioned mechanical kneading in kneading machine with being powered when will measure in the same manner as aforementioned flying dust (1) II kind ash
Pigment body mass ratio under the maximum value of electric current is shown in table 1.
[table 1]
Table 1
As shown in table 1 like that, measurement will be changed opposite using " 9.2.3 machinery mediates kneading machine " of JIS R5201
In the ratio of the water of (1) flying dust II kind ash (JIS A6201:2015 concrete flying dust II kind is suitble to product (classification product)) 1000g
Mixture (reference example 1~14) stirring when the current value that is powered.Addition of the water phase of reference example 9 for crushing flying dust 1000g
When amount is 220g, pigment body mass ratio is 22%, aforementioned mechanical kneading is shown maximum with the current value being powered in kneading machine
3.81 amperes (A).(1) maximum of flying dust II kind ash (JIS A6201:2015 concrete flying dust II kind is suitble to product (classification product))
Pigment body mass ratio under current value is 22%.With table 1 shown in the same manner as reference example 1~14, each flying dust will be changed
The mixture of pigment body ratio is stirred with aforementioned mechanical kneading kneading machine and is kneaded, and measurement aforementioned mechanical kneading is powered in kneading machine
Current value, so as to for each flying dust measure maximum current value under pigment body mass ratio.
Flying dust is respectively crushed for (1) II kind ash, (2) flying dust original powder and (3)~(10), by heap bulk specific gravity, the heap of measurement
The increment rate of bulk specific gravity, JA funnel flow down the pigment body mass ratio under time, maximum current value and are shown in table 2.
[table 2]
Table 2
(manufacture of concrete composition)
(Examples 1 to 6 and comparative example 1~9)
The concrete composition of embodiment and comparative example is manufactured using each flying dust to be formulated shown in table 3.
[table 3]
Table 3
For each concrete composition to be formulated manufacture shown in table 3, test below is carried out.Show the result in table 4.
(slump)
For each concrete composition to be formulated manufacture shown in table 3, according to JIS A1101:2014, " concrete collapses
Fall test method " measurement slump (cm).
(extension number)
For the concrete composition to be formulated manufacture shown in table 3, the evaluation test of repellence is separated as material, into
Test of the row according to the DIN1048 as Deutsche industry norm (DIN).The test is for evaluating high level required by blowing concrete
Under material separate repellence, by the test value, can evaluate indirectly blow concrete rebound reduce.In addition, passing through
The test, can also evaluate rebound reduces required blastic deformation repellence.
If being summarized for the test method, measured using the slump test method of JIS A1101:2014 concrete
It collapses after (cm), repeats the operation that the side for the plate that collapses is lifted 4cm and falls it.Operation is fallen by repeating this, is measured
The flowing of concrete reaches the number (extension number) when 60cm.The extension number is more, is evaluated as blowing concrete
Material separates repellence and/or blastic deformation repellence is more excellent, more effective to rebound reduction.
[table 4]
Table 4
As a result, concrete composition for Examples 1 to 6 according to shown in table 4, when the JA funnel of flying dust paste flows down
Between be 17~27 seconds, mobility is excellent and has the viscosity of appropriateness, can be improved application property, and mixed with comparative example 1~9
Solidifying soil composition is compared, and extension number increases.
In addition, as a result, concrete composition for Examples 1 to 6, utilizes JISR5201's according to shown in table 4
When aforementioned flying dust and water are kneaded stirring by " 9.2.3 machinery mediate use kneading machine ", aforementioned mechanical kneading in kneading machine with being powered
It is 23~27% that electric current, which becomes maximum pigment body mass ratio, and the crushing flying dust in concrete composition moderately adsorbs water, includes
The mobility of the concrete composition of the crushing flying dust is excellent and has the viscosity of appropriateness, the coagulation local soil type with comparative example 1~9
It closes object to compare, extension number increases.
According to table 4, the increment rate for having crushed the heap bulk specific gravity of 4 minutes and 5 minutes crushing flying dusts is 2.7%, is crushed
The increment rate of the heap bulk specific gravity of 3 minutes and 10 minutes crushing flying dusts is 1.8%, uses the embodiment of the crushing flying dust
Compared with the concrete composition of comparative example 1~9, extension number increases concrete composition.
Compared with the concrete composition of comparative example 1~9, extension number increases the concrete composition of Examples 1 to 6,
Become larger therefore, it is considered that reducing effect as the rebound for blowing concrete, material separates repellence and/or blastic deformation repellence is excellent
It is different.
As shown in table 4 like that, for using the concrete composition of the comparative example 2~5 of flying dust original powder or II kind ash, do not make
It is not dramatically changed with the extension number of the concrete composition of the comparative example 1 of flying dust, it is believed that it is small that rebound reduces effect.
As shown in table 4 like that, for flowing down the time greatly to 6 He of comparative example of the crushing flying dust more than 27 seconds comprising JA funnel
7 concrete composition, mobility reduce.For crushing flying dust used in comparative example 6 and 7, do not have with the physical property of flying dust original powder
There is larger difference, it is believed that be unable to get the quality improving effect based on crushing.
As shown in table 4 like that, for flowing down the comparative example 8 and 9 that crushes flying dust of the time lower than 17 seconds comprising JA funnel
Concrete composition, mobility reduce.On the other hand, for crushing flying dust used in comparative example 8 and 9, when JA funnel flows down
Between be as short as lower than 17 seconds, it is believed that viscosity is insufficient.
As shown in table 4 like that, for flying to the crushing for being more than 27% greatly comprising the pigment body mass ratio under maximum current value
The concrete composition of the comparative example 6 and 7 of ash, crushes that the quantitative change of water constrained in flying dust is more, concrete composition and water it is mixed
Mobility under refining fresh state originally reduces, and viscosity increases, on the other hand, taken in excess water and rebound and become more, extension is secondary
Without increasing as Examples 1 to 66, the blastic deformation repellence needed for rebound reduces reduces number.
As shown in table 4 like that, fly for being as low as lower than 23% crushing comprising the pigment body mass ratio under maximum current value
The concrete composition of the comparative example 8 and 9 of ash, the quantitative change for crushing the water constrained in flying dust is few, and rebound becomes more, and extension number does not have
Increase as Examples 1 to 66, rebound reduces effect and reduces, and material separates repellence and/or blastic deformation repellence and reduces.
Industrial availability
According to the present invention, flown being compounded to crush obtained by the crushing of flying dust original powder in a manner of with specific physical property
Ash may insure high-caliber material separation repellence and/or excellent mixed of blastic deformation repellence, application property so as to provide
Solidifying soil composition.
Claims (9)
1. a kind of concrete composition, contains: cement and will flying dust original powder crush obtained by crush flying dust,
For the crushing flying dust, relative to the JA funnel for crushing flying dust paste of 100 mass parts of flying dust comprising 50 mass parts of water
Flow down the range that the time is 17~27 seconds.
2. a kind of concrete composition, contains: cement and will flying dust original powder crush obtained by crush flying dust,
For the crushing flying dust, using " 9.2.3 machinery, which is mediated, uses kneading machine " of JIS R5201 by the crushing flying dust and water
Mixture stirring when, the pigment body of the mixture when machinery kneading becomes maximum with the electric current flowed through in kneading machine
Mass ratio is 23~27%.
3. a kind of concrete composition, contains: cement and will flying dust original powder crush obtained by crush flying dust,
For the crushing flying dust, smashed heap bulk specific gravity relative to the heap bulk specific gravity before crushing increase 1.5% with
It is upper and 3.0% or less.
4. concrete composition described in any one of claim 1 to 3, wherein the calcination loss for crushing flying dust
For 3 mass % or more and 10 mass % or less.
5. concrete composition according to any one of claims 1 to 4, wherein the compounding amount phase for crushing flying dust
1m every for the volume of concrete composition3For 20kg or more and 150kg or less.
6. concrete composition according to any one of claims 1 to 5, wherein also containing selected from mixed material and spy
It is at least one kind of in different mixing agent.
7. concrete composition described according to claim 1~any one of 6, wherein the cement is selected from by common wave
It is at least one kind of in the group that special orchid cement, early strong Portland cement, middle hot Portland cement and low-heat Portland cement form.
8. a kind of manufacturing method of concrete composition is that containing cement and will crush flying dust obtained by the crushing of flying dust original powder
The manufacturing method of concrete composition, comprises the following steps:
1.5% or more is increased relative to the heap bulk specific gravity before crushing with smashed heap bulk specific gravity and 3.0% is below
The flying dust original powder is crushed and forms the process for crushing flying dust by mode；With,
By the cement and the process for crushing flying dust compounding.
9. the manufacturing method of concrete composition according to claim 8, wherein the calcination loss of the flying dust original powder is
3 mass % or more and 10 mass % or less.
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| JP2017146775A JP6323601B1 (en) | 2017-02-02 | 2017-07-28 | Concrete composition and method for producing concrete composition |
| JP2017-146775 | 2017-07-28 | ||
| PCT/JP2017/033786 WO2018142660A1 (en) | 2017-02-02 | 2017-09-19 | Concrete composition and method for manufacturing concrete composition |
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| KR (1) | KR102255378B1 (en) |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1290667A (en) * | 2000-09-18 | 2001-04-11 | 中国建筑材料科学研究院 | Mixed cement material with fine active steel slag powder and method of preparing high grade cement with it |
| CN101372403A (en) * | 2008-10-15 | 2009-02-25 | 登电集团水泥有限公司 | Method for preparing flyash cement |
| CN101580348A (en) * | 2009-06-22 | 2009-11-18 | 准格尔旗粉煤灰煤矸石研发中心 | Large-doping-amount fly ash cement and preparation method thereof |
| CN101870565A (en) * | 2010-07-14 | 2010-10-27 | 岳阳华泰资源开发利用有限责任公司 | Concrete compounded mineral admixture and preparation method thereof |
| CN102795819A (en) * | 2012-08-23 | 2012-11-28 | 西南交通大学 | Low-carbon high-performance tunnel shotcrete composite cementing material |
| US20130125792A1 (en) * | 2009-09-24 | 2013-05-23 | Ash Improvement Technology, Inc. | Production of coal combustion products for use in cementitious materials |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2755700B2 (en) * | 1989-07-24 | 1998-05-20 | 三菱重工業株式会社 | Manufacturing method of concrete admixture |
| JP3142154B2 (en) * | 1991-09-10 | 2001-03-07 | 株式会社エーアンドエーマテリアル | Cement molding |
| JPH0664955A (en) * | 1992-08-19 | 1994-03-08 | Mitsubishi Materials Corp | Production of fly ash having low separability and production of concrete having low separability |
| JPH11139859A (en) * | 1997-11-04 | 1999-05-25 | Sumitomo Osaka Cement Co Ltd | Very quick-hardening cement composition |
| JP4744813B2 (en) | 2004-03-30 | 2011-08-10 | 株式会社熊谷組 | Method for producing concrete composition |
| JP6076722B2 (en) | 2012-12-06 | 2017-02-08 | 西松建設株式会社 | Concrete material |
-
2017
- 2017-07-28 JP JP2017146775A patent/JP6323601B1/en active Active
- 2017-09-19 NZ NZ755773A patent/NZ755773A/en unknown
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- 2017-09-19 WO PCT/JP2017/033786 patent/WO2018142660A1/en active Application Filing
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- 2017-09-19 CN CN201780042998.3A patent/CN109415258B/en active Active
-
2018
- 2018-02-01 JP JP2018016549A patent/JP6414350B1/en active Active
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1290667A (en) * | 2000-09-18 | 2001-04-11 | 中国建筑材料科学研究院 | Mixed cement material with fine active steel slag powder and method of preparing high grade cement with it |
| CN101372403A (en) * | 2008-10-15 | 2009-02-25 | 登电集团水泥有限公司 | Method for preparing flyash cement |
| CN101580348A (en) * | 2009-06-22 | 2009-11-18 | 准格尔旗粉煤灰煤矸石研发中心 | Large-doping-amount fly ash cement and preparation method thereof |
| US20130125792A1 (en) * | 2009-09-24 | 2013-05-23 | Ash Improvement Technology, Inc. | Production of coal combustion products for use in cementitious materials |
| CN101870565A (en) * | 2010-07-14 | 2010-10-27 | 岳阳华泰资源开发利用有限责任公司 | Concrete compounded mineral admixture and preparation method thereof |
| CN102795819A (en) * | 2012-08-23 | 2012-11-28 | 西南交通大学 | Low-carbon high-performance tunnel shotcrete composite cementing material |
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| Publication number | Publication date |
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| AU2017396649B2 (en) | 2019-06-06 |
| PH12018501225B1 (en) | 2019-01-28 |
| AU2017396649A1 (en) | 2019-04-18 |
| WO2018142660A1 (en) | 2018-08-09 |
| SG11201900603QA (en) | 2019-02-27 |
| JP6414350B1 (en) | 2018-10-31 |
| CN109415258B (en) | 2021-06-01 |
| JP2019023154A (en) | 2019-02-14 |
| NZ755773A (en) | 2020-01-31 |
| PH12018501225A1 (en) | 2019-01-28 |
| KR20190113526A (en) | 2019-10-08 |
| JP6323601B1 (en) | 2018-05-16 |
| KR102255378B1 (en) | 2021-05-25 |
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