CN110256012A - A kind of novel environment friendly blending concrete and its preparation process - Google Patents
A kind of novel environment friendly blending concrete and its preparation process Download PDFInfo
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- CN110256012A CN110256012A CN201910557494.6A CN201910557494A CN110256012A CN 110256012 A CN110256012 A CN 110256012A CN 201910557494 A CN201910557494 A CN 201910557494A CN 110256012 A CN110256012 A CN 110256012A
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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
- 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
Abstract
The invention discloses a kind of novel environment friendly blending concrete and its preparation processes.Concrete is made of the raw material comprising following parts by weight: 151~163 parts of cement, 1010~1060 parts of coarse aggregate, 895~938 parts of fine aggregate, environmentally friendly 68~113 parts of admixture, 4.7~7.2 parts of additive and 151~167 parts of water；The advantages that it is functional with mixture, and compression strength is higher, and slump is smaller；Preparation method are as follows: cement, coarse aggregate, fine aggregate, environmentally friendly admixture, additive and water are uniformly mixed, can be prepared by environmentally friendly blending concrete；Preparation method of the invention has preparation process simple, easy to operate, easy to implement, convenient for the raw advantage of batch production.
Description
Technical field
The present invention relates to construction engineering technical fields, more specifically, it relates to a kind of novel environment friendly blending concrete
And its preparation process.
Background technique
Concrete, referred to as " concrete " refer to the general designation for the cementing integral engineered composite material that gathers materials by cementitious material.
The concrete usually said, which refers to, makees cementitious material with cement, and sand, masonry gather materials, with water (can contain additive and admixture) by certain
Ratio cooperation, it is agitated obtained by cement concrete, also referred to as normal concrete, it is widely used in civil engineering.Concrete is made
For a kind of important construction material, it is of great significance to China's socio-economic development.Such as civil engineering, water conservancy and hydropower,
The fields such as communications and transportation have a wide range of applications.
In recent years, the infrastructure construction of China Midwest has welcome great opportunity to develop, and various concrete constructions are answered
It transports and rises, a flickering high buildings and large mansions are rised sheer from level ground, however, also generating at the same time along with a large amount of building castoff.With at
For city, building castoff total amount in 2018 reaches 13,000,000 tons, and building castoff total amount has accounted for municipal refuse total amount
2/10~3/10, the unprocessed just direct stackings of the overwhelming majority or landfill, not only land occupation, but also can be with natural item
Gradually weathering generates a large amount of molecules and drifts in aerial part, causes big inconvenience to people's lives.
To solve the above problems, the patent that application publication number is CN106830773A discloses, one kind is construction refuse regenerated to be mixed
Solidifying soil, including regenerated coarse aggregate 24%~36.5%, recycled fine aggregate 36.5%~48%, cement 18% and water 10%, will build
Building refuse is converted to regenerated coarse aggregate and recycled fine aggregate, is prepared into regeneration concrete, solves building waste to a certain extent
Caused environmental problem pushes resources, promotes regeneration concrete commercialized development.
Prior art among the above has the following deficiencies: the compression strength 3d of construction refuse regenerated concrete obtained
When be 13MPa~18MPa；It is 15MPa~25MPa when 7d；It is 17MPa~25MPa when 28d；Construction refuse regenerated concrete
Lower compressive strength is unfavorable for the application of construction refuse regenerated concrete.
Summary of the invention
In view of the deficienciess of the prior art, the purpose of the present invention one is to provide a kind of novel environment friendly admixture coagulation
Soil, compression strength higher, slump smaller the advantages that functional with mixture.
Second object of the present invention is to provide a kind of preparation process of novel environment friendly blending concrete have system
Standby simple process, it is easy to operate, it is easy to implement, convenient for the raw advantage of batch production.
To realize above-mentioned first purpose, the present invention provides the following technical scheme that
A kind of novel environment friendly blending concrete is made of the raw material comprising following parts by weight:
It is 151~163 parts of cement, 1010~1060 parts of coarse aggregate, 895~938 parts of fine aggregate, environmentally friendly 68~113 parts of admixture, outer
Add 4.7~7.2 parts and 151~167 parts of water of agent；
The environmental protection admixture, which includes that brick is mixed, builds slag, fluxing agent and dehydrated alcohol；
The additive includes one or more of lignin water reducer, naphthalene water reducer and sulfamate water reducer.
By using above-mentioned technical proposal, each raw material component cooperates, mixture it is functional, slump it is smaller and
Compression strength with higher.
In the present invention, brick is mixed to be built cinder ladle and includes useless brick in building waste and/or the broken waste residue of waste and old concrete,
Mixed build after slag, fluxing agent and dehydrated alcohol mix in proportion of brick crushes, grinds, and can be prepared by ring admixture, environmental protection blends
Main component inside material includes activity SiO2, activity Al2O3, Ca (OH) is formed after hydrated cementitious2, Ca (OH)2It can dissociation environmental protection
Ca inside admixture2+、Al3+And SiO4 4-Plasma enters solution, promotes the dispersion and dissolution of environmentally friendly admixture, and environmental protection blends
Expect that the potential hydraulicity is excited, reduces the cracking etc. of concrete；Ca(OH)2With the active SiO inside environmentally friendly admixture2, it is living
Property Al2O3Hydration reaction occurs and generates hydrated calcium silicate, drated calcium aluminate and entringite, hydrated product hundred inside concrete material
Content is divided to increase, environmentally friendly admixture partially instead of cement and can be such that concrete strength enhances, and slump reduces, and cracking subtracts
Few etc., the performance of concrete is improved.The mixed slag of building of building waste -- brick is by the processing such as fluxing agent and dehydrated alcohol, as ring
It protects admixture to use, can partially substitute cement material as concrete gel material, concrete strength and slump etc. can be made
Performance is met the requirements；The classified utilization that waste may be implemented, is substantially improved resource utilization；Environmentally friendly admixture have energy conservation, can
The features such as, service life length high by property, environmental protection and easy recycling；Energy conservation and environmental protection industry and traditional architecture industry integration can be pushed to develop,
Biggish economic benefit is realized with lesser cost.
In the present invention, environmentally friendly admixture is 68~113 parts, further preferably 73~103 parts；Environmentally friendly admixture includes brick
It is mixed to build slag, fluxing agent and dehydrated alcohol；Further, brick is mixed in the environmentally friendly admixture builds slag, fluxing agent and dehydrated alcohol
Weight ratio is (1.2~1.6): 0.05:1.
By using above-mentioned technical proposal, it is (1.2~1.6) that brick mixes and builds slag, fluxing agent and dehydrated alcohol by weight:
The ratio of 0.05:1 mixes, and can farthest excite the potential hydraulicity of environmentally friendly admixture, promotes Ca (OH)2As alkalinity
Material dissociates the Ca inside environmentally friendly admixture2+、Al3+、SiO4 4-Ion enters solution, promotes the dispersion of environmentally friendly admixture and molten
Solution is conducive to the slump and compression strength that improve concrete；And environmentally friendly admixture obtained is as a kind of environmental-friendly novel
Material will not endanger environment, meet green development strategy.
In the present invention, the fluxing agent includes CaF2And B2O3At least one of；Further, the fluxing agent is
CaF2And B2O3；Still further, the CaF2And B2O3Weight ratio be (0.5~1.2): 1.
By using above-mentioned technical proposal, fluxing agent refers generally to that the softening of its substance, fusing or condensing temperature can be reduced
Substance.CaF2-- calcirm-fluoride, colourless crystallization or white powder, are insoluble in water, are slightly soluble in inorganic acid；Experiment generally with calcium carbonate with
Hydrofluoric acid acts on or handles Fluorspar Powder repeatedly with concentrated hydrochloric acid or hydrofluoric acid to prepare calcirm-fluoride, and the calcirm-fluoride mineral of nature are firefly
Stone or fluorite. B2O3-- boron oxide, also known as diboron trioxide, are the most important oxides of boron, it is a kind of white waxy solid,
Generally with the presence of unbodied state, when melting, can dissolve the metal oxide of many alkalinity, and generation has the glass of characteristic color
Glass shape borate and metaborate (glass), for producing element boron and fine boron compound.CaF is used in the present invention2And B2O3
At least one of as the mixed fluxing agent for building slag of brick, can promote the mixed crushing and grinding for building slag of brick, and can be to a certain extent
The mixed active constituent built in slag of protection tile.In the present invention, fluxing agent preferentially selects weight ratio for (0.5~1.2): 1 CaF2With
B2O3, CaF2And B2O3Between have a mutual synergistic effect, the mixed slag of building of brick more protrudes the phenomenon that selective destruction when broken, brick
The mixed sandstone built in slag becomes abrasive media, and raw material and clinker take the lead in becoming powder, to realize the classification of raw material and clinker again
It is raw, the different purposes for building slag material can be given full play to, the environmentally friendly admixture of function admirable is made.
Further, the environmentally friendly admixture includes following preparation process:
It is (1.2~1.6) that brick, which is mixed, and builds slag, fluxing agent and dehydrated alcohol by weight: the ratio of 0.05:1 mixes, and grinds 1.2h
~2h；The particle of screening, the particle of collection cut size≤75 μm, partial size > 75 μm carries out secondary grinding；Take the powder of partial size≤75 μm
Body can be prepared by environmentally friendly admixture.
By using above-mentioned technical proposal, the mixed slag of building of brick is more prominent the phenomenon that selective crushing when broken, and brick is mixed is built
Sandstone in slag becomes abrasive media, so that raw material and clinker take the lead in becoming powder, can give full play to raw material and clinker point
Class regenerates and gives full play to the different purposes for building slag material.Environmentally friendly admixture is that the brick of partial size≤75 μm mixes waste residue powder, partial size
Smaller, the expansion after alkali-aggregate reaction occurs not will lead to inside concrete and micro-crack occurs, through the invention ring obtained
Admixture is protected, activity can be kept to a certain extent, meet the requirement of concrete admixture.
Further, the coarse aggregate is rubble, and the fine aggregate includes fine sand and middle sand.
By using above-mentioned technical proposal, in the present invention, coarse aggregate is 1010~1060 parts, and coarse aggregate is rubble, and into
One step is preferably 1020~1050 parts, and coarse aggregate is selected from the rubble on concrete production station, and partial size is the continuous grade of 5mm~30mm
Match, apparent density 2660kg/m3~2680kg/m3, rubble can preferentially be selected as cobble.Fine aggregate is 895~938 parts, carefully
Aggregate includes fine sand and middle sand, and further preferably 362~369 parts of fine sand, 541~559 parts of middle sand, fine sand and middle sand is respectively
Fine sand used in concrete production station and middle sand, fine aggregate clay content are respectively less than 0.8%, apparent density 2650kg/m3~
2650kg/m3.Using the coarse aggregate and fine aggregate on concrete production station, the quality of coarse aggregate and fine aggregate is guaranteed, and takes
Material is convenient, and reduction is selected, and trafficking step, cost is more cheap, cost-saved to a certain extent.
In the present invention, cement is 151~163 parts, further preferably 155~159 parts；Cement selection is sold on the market
Ordinary portland cement, main clinker mineral composition are as follows: tricalcium silicate, dicalcium silicate, tricalcium aluminate and tetra calcium aluminoferrite,
Contain a small amount of free calcium oxide, periclase (crystal magnesium oxide) and vitreum etc..And the ratio in the source of each raw material component is wide,
Advantage of lower cost utilizes convenient for mass production, promotes the development of Concrete Industry.Water is 151~167 parts, further preferably
It is 155~159 parts, water is the concrete mixing water on concrete production station.
In the present invention, the additive includes in lignin water reducer, naphthalene water reducer and sulfamate water reducer
One or more, additive are 4.7~7.2 parts, further preferably 5.3~6.7 parts of lignin water reducer.
By using above-mentioned technical proposal, additive is also known as concrete admixture, is mixed during ready-mixed concrete,
The chemical substance of concrete performance can be significantly improved.In the present invention, Lignins water-reducing agent preferentially selects calcium lignosulfonate, naphthalene
Based water reducer preferentially selects polymethine naphthalenesulfonic acid-formaldehyde condensate, and sulfamate water reducer preferentially selects p-aminophenyl sulphur
Sour sodium.Either using calcium lignosulfonate as the Lignins water-reducing agent of representative, or with the contracting of polymethine naphthalene sulfonate formaldehyde
The naphthalene water reducer that object is representative is closed, or using sodium sulfanilate as the sulfamate water reducer of representative, with the present invention
Environmentally friendly admixture have good adaptability, and have absorption and peptizaiton to cement, it is substantially physical concrete to be improved
Energy.
To realize above-mentioned second purpose, the present invention provides the following technical scheme that
A kind of preparation process of novel environment friendly blending concrete includes the following steps:
Cement, coarse aggregate, fine aggregate, environmentally friendly admixture, additive and water are uniformly mixed, can be prepared by environmentally friendly admixture coagulation
Soil.
By using above-mentioned technical proposal, raw material components are uniformly mixed, can be prepared by concrete mix, concrete is mixed
The preparation process for closing object is simple, easy to operate, easy to implement, convenient for batch production life.
Further, the preparation process of the environmentally friendly admixture includes the following steps:
It is (1.2~1.6) that brick, which is mixed, and builds slag, fluxing agent and dehydrated alcohol by weight: the ratio of 0.05:1 mixes, and grinds 1.2h
~2h；The particle of screening, the particle of collection cut size≤75 μm, partial size > 75 μm carries out secondary grinding, takes the powder of partial size≤75 μm
Body can be prepared by environmentally friendly admixture.
By using above-mentioned technical proposal, builds brick is mixed slag, fluxing agent and dehydrated alcohol and mixes in proportion, grind, screening,
The excessive secondary grinding of carry out of partial size, the powder after selecting the grinding of partial size≤75 μm is as environmentally friendly admixture, environmentally friendly admixture
Preparation process it is simple, it is easy to implement.
In conclusion the invention has the following advantages:
The first, each raw material component cooperates, mixture it is functional, slump is smaller and compression strength with higher；
The second, the mixed slag of building of building waste -- brick is used, energy portion by the processing such as fluxing agent and dehydrated alcohol as environmentally friendly admixture
Divide substitution cement material as concrete gel material, the performances such as concrete strength and slump can be made to meet the requirements, simultaneously
The classified utilization of waste is also achieved, resource utilization, save the cost is substantially improved；
Third, additive and environmentally friendly admixture have good adaptability, and can improve the Fundamental Physical Properties of concrete.
Specific embodiment
Invention is further described in detail with reference to embodiments.
Preparation example
Preparation example 1
The preparation process of environmentally friendly admixture is as follows:
80kg brick is mixed and builds slag, 1.11kg CaF2、2.22kg B2O3It is added in ball grinder with 66.67kg dehydrated alcohol, using row
Planetary ball mill grinding 1.2h hours, filter out the part of average grain diameter≤75 μm；The raw material of partial size > 75 μm is carried out secondary
Ball milling further grinds raw material particle size by interior roller grain composition when secondary ball milling, the ring after guaranteeing second of ball milling
Protect admixture partial size≤75 μm；The powder granule of collection cut size≤75 μm can be prepared by environmentally friendly admixture.
Preparation example 2
85.72kg brick is mixed and builds slag, 1.53kg CaF2、1.53kg B2O3It is added in ball grinder, adopts with 61.22kg dehydrated alcohol
It is ground 1.5h hours with planetary ball mill, filters out the part of average grain diameter≤75 μm；The raw material of partial size > 75 μm is carried out
Secondary ball milling further grinds raw material particle size by interior roller grain composition when secondary ball milling, after guaranteeing second of ball milling
Environmentally friendly admixture partial size≤75 μm；The powder granule of collection cut size≤75 μm can be prepared by environmentally friendly admixture.
Preparation example 3
90.57kg brick is mixed and builds slag, 1.54kg CaF2、1.29kg B2O3It is added in ball grinder, uses with 56.6kg dehydrated alcohol
Planetary ball mill is ground 2h hours, filters out the part of average grain diameter≤75 μm；The raw material of partial size > 75 μm is carried out secondary
Ball milling further grinds raw material particle size by interior roller grain composition when secondary ball milling, the ring after guaranteeing second of ball milling
Protect admixture partial size≤75 μm；The powder granule of collection cut size≤75 μm can be prepared by environmentally friendly admixture.
Preparation example 4
85.72kg brick is mixed and builds slag, 3.06kg CaF2It is added in ball grinder with 61.22kg dehydrated alcohol, using planetary type ball-milling
Machine is ground 1.5h hours, filters out the part of average grain diameter≤75 μm；For partial size > 75 μm raw material carry out secondary ball milling, two
Raw material particle size is further ground by interior roller grain composition when secondary ball milling, the environmentally friendly admixture after guaranteeing second of ball milling
Partial size≤75 μm；The powder granule of collection cut size≤75 μm can be prepared by environmentally friendly admixture.
Preparation example 5
85.72kg brick is mixed and builds slag, 3.06kg B2O3It is added in ball grinder with 61.22kg dehydrated alcohol, using planetary type ball-milling
Machine is ground 1.5h hours, filters out the part of average grain diameter≤75 μm；For partial size > 75 μm raw material carry out secondary ball milling, two
Raw material particle size is further ground by interior roller grain composition when secondary ball milling, the environmentally friendly admixture after guaranteeing second of ball milling
Partial size≤75 μm；The powder granule of collection cut size≤75 μm can be prepared by environmentally friendly admixture.
Embodiment
Embodiment 1
A kind of preparation process of novel environment friendly blending concrete is as follows:
By sand, 68kg environmental protection admixture in 151kg cement, 1060kg rubble, 447.5kg fine sand, 447.5kg, (preparation example 2 is made
), 4.7kg calcium lignosulfonate and 167kg water be uniformly mixed, can be prepared by environmentally friendly blending concrete.
Embodiment 2
A kind of preparation process of novel environment friendly blending concrete is as follows:
By sand, 113kg environmental protection admixture in 163kg cement, 1010kg rubble, 562.8kg fine sand, 375.2kg, (preparation example 2 is made
), 7.2kg calcium lignosulfonate and 151kg water be uniformly mixed, can be prepared by environmentally friendly blending concrete.
Embodiment 3
A kind of preparation process of novel environment friendly blending concrete is as follows:
By sand in 155kg cement, 1050kg rubble, 362kg fine sand, 559kg, 103kg environmental protection admixture (preparation example 2 is made),
5.3kg calcium lignosulfonate and 155kg water are uniformly mixed, and can be prepared by environmentally friendly blending concrete.
Embodiment 4
A kind of preparation process of novel environment friendly blending concrete is as follows:
By sand in 159kg cement, 1020kg rubble, 369kg fine sand, 541kg, 73kg environmental protection admixture (preparation example 2 is made),
6.7kg calcium lignosulfonate and 159kg water are uniformly mixed, and can be prepared by environmentally friendly blending concrete.
Embodiment 5
A kind of preparation process of novel environment friendly blending concrete is as follows:
By sand in 156kg cement, 1030kg rubble, 364kg fine sand, 545kg, 83kg environmental protection admixture (preparation example 2 is made),
5.9kg calcium lignosulfonate and 156kg water are uniformly mixed, and can be prepared by environmentally friendly blending concrete.
Embodiment 6
A kind of preparation process of novel environment friendly blending concrete is as follows:
By sand in 156kg cement, 1030kg rubble, 364kg fine sand, 545kg, 83kg environmental protection admixture (preparation example 2 is made),
6.5kg polymethine naphthalenesulfonic acid-formaldehyde condensate and 156kg water are uniformly mixed, and can be prepared by environmentally friendly blending concrete.
Embodiment 7
A kind of preparation process of novel environment friendly blending concrete is as follows:
By sand in 156kg cement, 1030kg rubble, 364kg fine sand, 545kg, 83kg environmental protection admixture (preparation example 2 is made),
6.7kg sodium sulfanilate and 156kg water are uniformly mixed, and can be prepared by environmentally friendly blending concrete.
Embodiment 8
A kind of preparation process of novel environment friendly blending concrete is as follows:
By sand in 156kg cement, 1030kg rubble, 364kg fine sand, 545kg, 83kg environmental protection admixture (preparation example 1 is made),
6.7kg sodium sulfanilate and 156kg water are uniformly mixed, and can be prepared by environmentally friendly blending concrete.
Embodiment 9
A kind of preparation process of novel environment friendly blending concrete is as follows:
By sand in 156kg cement, 1030kg rubble, 364kg fine sand, 545kg, 83kg environmental protection admixture (preparation example 3 is made),
6.7kg sodium sulfanilate and 156kg water are uniformly mixed, and can be prepared by environmentally friendly blending concrete.
Embodiment 10
A kind of preparation process of novel environment friendly blending concrete is as follows:
By sand in 156kg cement, 1030kg rubble, 364kg fine sand, 545kg, 83kg environmental protection admixture (preparation example 4 is made),
6.7kg sodium sulfanilate and 156kg water are uniformly mixed, and can be prepared by environmentally friendly blending concrete.
Embodiment 11
A kind of preparation process of novel environment friendly blending concrete is as follows:
By sand in 156kg cement, 1030kg rubble, 364kg fine sand, 545kg, 83kg environmental protection admixture (preparation example 5 is made),
6.7kg sodium sulfanilate and 156kg water are uniformly mixed, and can be prepared by environmentally friendly blending concrete.
Comparative example
Using embodiment 5 as reference group
Comparative example 1
The difference of comparative example 1 and implementation 5 is in comparative example 1 to replace environmentally friendly admixture with cement, other to keep with embodiment 5
Unanimously.
Comparative example 2
Comparative example 2 and implement 5 difference and be in comparative example 2 to be added without fluxing agent when preparing environmentally friendly admixture, it is other with
Embodiment 5 is consistent.
Comparative example 3
Comparative example 3 and implement 5 difference and be in comparative example 3 that dehydrated alcohol is not added when preparing environmentally friendly admixture, it is other with
Embodiment 5 is consistent.
Comparative example 4
The difference of comparative example 4 and implementation 5 is that additive is not added in comparative example 1, other to be consistent with embodiment 5.
Comparative example 5
The difference of comparative example 5 and implementation 5 is in comparative example 1 powder granule of 90 μm of collection cut size when preparing environmentally friendly admixture
It is other to be consistent with embodiment 5 as environmentally friendly admixture.
Performance detection test
19139 GB/T-concrete mixing obtained by 2012 measurement embodiments 1~11 and comparative example 1~5 according to national standards
Basic properties, the test results such as the compression strength of 7d and 28d of the initial slump of object, 3h gradual loss and concrete are shown in Table
1。
It is provided according to GB/T 50010 " normal concrete mechanical property tests method ", concrete mix is fabricated to side
The cube specimen of a length of 150mm, in (20 ± 3 DEG C of temperature, 90% or less relative humidity) of standard conditions maintenances to regulation day age
Phase.
1 concrete basic performance of table detects table
As it can be seen from table 1 each raw material component raw material cooperates in concrete of the invention, functional, the energy of mixture
Slump is reduced, and compression strength can be enhanced；The initial workability of concrete is good, and good fluidity, cohesiveness is good, does not produce
The good and serious excreting water phenomenon of layer estranged, isolation, also generates without loose porous phenomenon, concrete initial slump degree, 3h slump,
Intensity index is all satisfied site operation requirement；Embodiment 1~11 is compared with comparative example 1 it is found that concrete tries after incorporation admixture
The performance of sample and be added the performance of straight cement concrete sample very close in addition compression strength performance it is more preferable, illustrate to build rubbish
The mixed slag of building of rubbish-- brick uses as environmentally friendly admixture by the processing such as fluxing agent and dehydrated alcohol, can partially substitute cement material
As concrete gel material, the basic performance of concrete not only will not influence, or even the pressure resistance of concrete can also be improved
Degree, can be such that the performances such as concrete strength and slump meet the requirements, and compared with cement, environmentally friendly admixture price is relatively
Low, cost is more cheap, while the classified utilization of waste may be implemented in the concrete gel material, and the utilization of resources is substantially improved
Rate；Embodiment 5~7 is compared with comparative example 4, it is known that, either using calcium lignosulfonate as the Lignins water-reducing agent of representative,
Or using polymethine naphthalenesulfonic acid-formaldehyde condensate as the naphthalene water reducer of representative, or using sodium sulfanilate as representative
Sulfamate water reducer, all have good adaptability with environmentally friendly admixture, and can improve coagulation to a certain extent
The compressive property of soil and the slump for reducing concrete.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, those skilled in the art
Member can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but as long as at this
All by the protection of Patent Law in the scope of the claims of invention.
Claims (10)
1. a kind of novel environment friendly blending concrete, which is characterized in that the concrete is by the raw material system comprising following parts by weight
At:
It is 151~163 parts of cement, 1010~1060 parts of coarse aggregate, 895~938 parts of fine aggregate, environmentally friendly 68~113 parts of admixture, outer
Add 4.7~7.2 parts and 151~167 parts of water of agent；
The environmental protection admixture, which includes that brick is mixed, builds slag, fluxing agent and dehydrated alcohol；
The additive includes one or more of lignin water reducer, naphthalene water reducer and sulfamate water reducer.
2. a kind of novel environment friendly blending concrete according to claim 1, which is characterized in that in the environmental protection admixture
The mixed weight ratio for building slag, fluxing agent and dehydrated alcohol of brick is (1.2~1.6): 0.05:1.
3. a kind of novel environment friendly blending concrete according to claim 1, which is characterized in that the fluxing agent includes
CaF2And B2O3At least one of.
4. a kind of novel environment friendly blending concrete according to claim 3, which is characterized in that the fluxing agent is CaF2
And B2O3。
5. a kind of novel environment friendly blending concrete according to claim 4, which is characterized in that the CaF2And B2O3's
Weight ratio is (0.5~1.2): 1.
6. a kind of novel environment friendly blending concrete according to claim 1, which is characterized in that the environmental protection admixture packet
Include following preparation process:
It is (1.2~1.6) that brick, which is mixed, and builds slag, fluxing agent and dehydrated alcohol by weight: the ratio of 0.05:1 mixes, and grinds 1.2h
~2h；The particle of screening, the particle of collection cut size≤75 μm, partial size > 75 μm carries out secondary grinding, takes the powder of partial size≤75 μm
Body can be prepared by environmentally friendly admixture.
7. a kind of novel environment friendly blending concrete according to claim 1, which is characterized in that the coarse aggregate is broken
Stone, the fine aggregate include fine sand and middle sand.
8. described in any item a kind of novel environment friendly blending concretes according to claim 1~7, which is characterized in that described mixed
Solidifying soil is made of the raw material comprising following parts by weight:
155~159 parts of cement, 1020~1050 parts of rubble, 362~369 parts of fine sand, 541~559 parts of middle sand, environmentally friendly admixture
73~103 parts, 5.3~6.7 parts of lignin water reducer and 155~159 parts of water；
It is (1.2~1.6) that the environmental protection admixture, which includes weight ratio: the brick of 0.05:1 is mixed to build slag, fluxing agent and dehydrated alcohol.
9. a kind of preparation process of described in any item novel environment friendly blending concretes, feature exist according to claim 1~8
In the preparation process includes the following steps:
Cement, coarse aggregate, fine aggregate, environmentally friendly admixture, additive and water are uniformly mixed, can be prepared by environmentally friendly admixture coagulation
Soil.
10. a kind of preparation process of novel environment friendly blending concrete according to claim 9, which is characterized in that described
The preparation process of environmentally friendly admixture includes the following steps:
It is (1.2~1.6) that brick, which is mixed, and builds slag, fluxing agent and dehydrated alcohol by weight: the ratio of 0.05:1 mixes, and grinds 1.2h
~2h；The particle of screening, the particle of collection cut size≤75 μm, partial size > 75 μm carries out secondary grinding, takes the powder of partial size≤75 μm
Body can be prepared by environmentally friendly admixture.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910557494.6A CN110256012A (en) | 2019-06-25 | 2019-06-25 | A kind of novel environment friendly blending concrete and its preparation process |
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| CN111423178A (en) * | 2020-04-02 | 2020-07-17 | 成都松立建材有限责任公司 | Novel environment-friendly concrete and preparation process thereof |
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| CN101244906A (en) * | 2008-03-14 | 2008-08-20 | 李秋义 | Method for manufacturing high-activity mineral blending material and application thereof |
| CN104440594A (en) * | 2014-10-29 | 2015-03-25 | 杨祝华 | Resin binder diamond grinding wheel |
| CN105753341A (en) * | 2016-02-26 | 2016-07-13 | 西南石油大学 | Preparation method of calcium ferroaluminate |
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| CN101244906A (en) * | 2008-03-14 | 2008-08-20 | 李秋义 | Method for manufacturing high-activity mineral blending material and application thereof |
| CN104440594A (en) * | 2014-10-29 | 2015-03-25 | 杨祝华 | Resin binder diamond grinding wheel |
| CN105753341A (en) * | 2016-02-26 | 2016-07-13 | 西南石油大学 | Preparation method of calcium ferroaluminate |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111423178A (en) * | 2020-04-02 | 2020-07-17 | 成都松立建材有限责任公司 | Novel environment-friendly concrete and preparation process thereof |
| CN111423178B (en) * | 2020-04-02 | 2021-10-29 | 成都松立建材有限责任公司 | Environment-friendly concrete and preparation process thereof |
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Application publication date: 20190920 |