CN107500667A - A kind of regeneration concrete and preparation method thereof - Google Patents
A kind of regeneration concrete and preparation method thereof Download PDFInfo
- Publication number
- CN107500667A CN107500667A CN201710874180.XA CN201710874180A CN107500667A CN 107500667 A CN107500667 A CN 107500667A CN 201710874180 A CN201710874180 A CN 201710874180A CN 107500667 A CN107500667 A CN 107500667A
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- China
- Prior art keywords
- coarse aggregate
- regenerated
- concrete
- aggregate
- cement
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Classifications
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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
Abstract
The core missions of the present invention are to provide a kind of preparation method of regeneration concrete, seek the reasonable substitution rate and particle size range of regenerated coarse aggregate, according to the result of this experiment, it is recommended to use 40% substitution rate.There is the advantages of technique is simple, and production cost is low while recycled concrete strength is ensured, to improve the application value of regeneration concrete.
Description
Technical field
The invention belongs to building material technical field, more particularly to technical field of concrete.
Background technology
The raw material of concrete includes coarse aggregate, cement, water, fine aggregate, and these raw materials are according to certain match ratio by stirring
The machine of mixing mixes and stirs, and then pours and builds up concrete structure.Coarse aggregate plays skeleton function in concrete, is the guarantee of concrete strength.
At present, coarse aggregate is usually two kinds natural of rubble and cobble.Rubble be natural rock, cobble through Mechanical Crushing, be sieved into
, particle diameter is more than 5mm particle.Cobble be formed by weathering, potamic transport and sorting, accumulation, particle diameter be more than 5mm
Particle.
Regeneration concrete is to substitute one kind prepared after natural coarse aggregate in the normal concrete of part with regenerated coarse aggregate
Concrete.Regeneration aggregate has the characteristic different from natural coarse aggregate in itself, is split as caused by regeneration aggregate in shattering process
Seam, makes the crush index of regeneration aggregate low；The original old cement mortar of regeneration aggregate surface attachment, make the porosity ratio of regeneration aggregate
Natural aggregate is high.These characteristics have adverse effect on to the intensity of regeneration concrete, under identical proportioning, regeneration concrete
Intensity be generally below normal concrete, and intensity is in uncontrollable state, influences its use.
Land resource belongs to non-renewable resources, people are to the unreasonable of soil as coal, oil and natural gas resource
Development and utilization, can cause the loss of soil resource, and the self-assembling formation of natural sand stone needs very long geological epoch.And with
Energy-saving and emission-reduction, the environmental protection ideas of resource circulation utilization deepens continuously, and the recycling problem of discarded concrete has become state
The inside and outside focus that research is recycled on building waste.
The content of the invention
The present invention provides a kind of regeneration concrete and preparation method thereof, the regeneration concrete by cement, water, fine aggregate,
Regenerated coarse aggregate and common coarse aggregate are made, wherein the regenerated coarse aggregate is 40% in the accounting of the coarse aggregate, and it is described
The particle size range of regenerated coarse aggregate is 5mm~26.5mm, and the concrete prepared by the method for the invention has well strong
Degree, and technique is simple, and production cost is low.
To achieve the above object, the present invention adopts the following technical scheme that.
A kind of regeneration concrete, the regeneration concrete composition include cement, water, fine aggregate and coarse aggregate, cement, water,
Fine aggregate, the match ratio of coarse aggregate are 1: 0.53: 1.84: 3.42, and the coarse aggregate includes common coarse aggregate and regenerated coarse aggregate.
Regenerated coarse aggregate is concrete waste material, and accounting is 40% in coarse aggregate, and particle size range is 5mm~26.5mm, glue in compound
Gel material uses Portland cement.
(1) regenerated coarse aggregate is prepared；
(2) according to the match ratio described in claim 1, fine aggregate, regenerated coarse aggregate and common coarse aggregate are put into stirring
It is stirred in machine；
(3) after fine aggregate, regenerated coarse aggregate and common coarse aggregate stir, according still further to matching somebody with somebody described in claim 1
Composition and division in a proportion adds cement, and is stirred；
(4) after fine aggregate, regenerated coarse aggregate, common coarse aggregate and cement mixing it is uniform after, then in the mixture plus water
Stirring, mixing time is 9~12min, and regenerated concrete mixture is made；
(5) regenerated concrete mixture made of step (4) is poured, vibrated.
Further, step (1) prepares the specific steps of regenerated coarse aggregate and included：
1. smashing waste concrete, the concrete waste material after then being crushed using coarse aggregate screening plant is screened,
It is standby as regenerated coarse aggregate to sift out the concrete waste material that particle diameter is 5mm~26.5mm；
2. cleaning treatment is carried out to the regenerated coarse aggregate for crushing, filtering out；
3. by by step, 2. cleaned regenerated coarse aggregate is dried, to reduce moisture content.
Beneficial effects of the present invention are：The regeneration concrete is by cement, water, fine aggregate, regenerated coarse aggregate and common thick
Aggregate is made, and discarded concrete is recycled, and reduces production cost；And heretofore described regenerated coarse aggregate
Particle size range be 5mm~26.5mm, ensure that the intensity of the regeneration concrete, and technique is simple, production cost is low.
Embodiment
Design, concrete structure and the caused technique effect of the present invention are carried out below with reference to embodiment clear, complete
Ground describes, to be completely understood by the purpose of the present invention, feature and effect.Obviously, described embodiment is the one of the present invention
Section Example, rather than whole embodiments, based on embodiments of the invention, those skilled in the art is not paying creativeness
The other embodiment obtained on the premise of work, belongs to the scope of protection of the invention.In addition, what is be previously mentioned in text is all
/ annexation is connect, not singly refers to component and directly connects, and refer to can be according to specific implementation situation, by adding or reducing connection
Auxiliary, to form more excellent draw bail.Each technical characteristic in the invention, on the premise of not conflicting conflict
Can be with combination of interactions.
Embodiment 1
A kind of regeneration concrete, the regeneration concrete composition include cement, water, fine aggregate and coarse aggregate, cement, water,
Fine aggregate, the match ratio of coarse aggregate are 1: 0.53: 1.84: 3.42；The coarse aggregate includes common coarse aggregate and regenerated coarse aggregate,
Wherein described regenerated coarse aggregate is 40% in the accounting of the coarse aggregate, the particle size range of the regenerated coarse aggregate for 5mm~
26.5mm, the cement are Portland cement, and the regenerated coarse aggregate is concrete waste material.
(1) regenerated coarse aggregate is prepared；
(2) according to the match ratio described in claim 1, fine aggregate, regenerated coarse aggregate and common coarse aggregate are put into stirring
It is stirred in machine；
(3) after fine aggregate, regenerated coarse aggregate and common coarse aggregate stir, according still further to matching somebody with somebody described in claim 1
Composition and division in a proportion adds cement, and is stirred；
(4) after fine aggregate, regenerated coarse aggregate, common coarse aggregate and cement mixing it is uniform after, then in the mixture plus water
Stirring, mixing time is 9~12min, and regenerated concrete mixture is made；
(5) regenerated concrete mixture made of step (4) is poured, vibrated.
Further, step (1) prepares the specific steps of regenerated coarse aggregate and included：
Smashing waste concrete, the concrete waste material after then 1. being crushed using coarse aggregate screening plant are screened,
It is standby as regenerated coarse aggregate to sift out the concrete waste material that particle diameter is 5mm~26.5mm；
2. cleaning treatment is carried out to the regenerated coarse aggregate for crushing, filtering out；
3. by by step, 2. cleaned regenerated coarse aggregate is dried, to reduce moisture content.
Heretofore described regeneration concrete test block can be prepared by above step.
The better embodiment of the present invention is illustrated above, but the invention is not limited to the implementation
Example, those skilled in the art can also make a variety of equivalent modifications on the premise of without prejudice to spirit of the invention or replace
Change, these equivalent modifications or replacement are all contained in the application claim limited range.
Claims (4)
1. a kind of regeneration concrete, its constituent includes cement, water, fine aggregate and coarse aggregate, it is characterised in that cement, water,
Fine aggregate, the match ratio of coarse aggregate are 1: 0.53: 1.84: 3.42；The coarse aggregate includes common coarse aggregate and regenerated coarse aggregate,
Wherein regenerated coarse aggregate is 40% in the accounting of the coarse aggregate, and its particle size range is 5mm~26.5mm；Cement is used in test specimen
Portland cement, regenerated coarse aggregate used are concrete waste material.
2. a kind of regeneration concrete according to claim 1, it is characterised in that the apparent density of its regenerated coarse aggregate is
2527kg/m3。
3. a kind of preparation method of regeneration concrete, it is characterised in that comprise the following steps：
(1) regenerated coarse aggregate is prepared；
(2) according to the match ratio described in claim 1, fine aggregate, regenerated coarse aggregate and common coarse aggregate is weighed and is put into mixer
In be stirred；
(3) after fine aggregate, regenerated coarse aggregate and common coarse aggregate stir, according still further to the match ratio described in claim 1
Cement is added, and is stirred；
(4) after fine aggregate, regenerated coarse aggregate, common coarse aggregate and cement mixing it is uniform after, then in the mixture plus water stirring,
Mixing time is 9~12min, and regenerated concrete mixture is made；
(5) regenerated concrete mixture made of step (4) is poured, vibrated.
4. the preparation method of a kind of regeneration concrete according to claim 3, it is characterised in that step (1) prepares regeneration
The specific steps of coarse aggregate include：
1. smashing waste concrete, the concrete waste material after then being crushed using coarse aggregate screening plant is screened, and is sifted out
Particle diameter is that 5mm~26.5mm concrete waste material is standby as regenerated coarse aggregate, while rejects needle-like, flake waste.
2. carrying out cleaning treatment to the regenerated coarse aggregate for crushing, filtering out, surface soil mud impurity is removed.
3. by 2. cleaned regenerated coarse aggregate is dried by step, moisture content is reduced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710874180.XA CN107500667A (en) | 2017-09-25 | 2017-09-25 | A kind of regeneration concrete and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710874180.XA CN107500667A (en) | 2017-09-25 | 2017-09-25 | A kind of regeneration concrete and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107500667A true CN107500667A (en) | 2017-12-22 |
Family
ID=60698284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710874180.XA Pending CN107500667A (en) | 2017-09-25 | 2017-09-25 | A kind of regeneration concrete and preparation method thereof |
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| CN (1) | CN107500667A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108314385A (en) * | 2018-04-03 | 2018-07-24 | 佛山科学技术学院 | A kind of C40 regeneration concretes and preparation method thereof |
| CN108547406A (en) * | 2018-05-31 | 2018-09-18 | 佛山科学技术学院 | A kind of High Strength Regenerated Concrete insulation blocks |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101708980A (en) * | 2009-12-14 | 2010-05-19 | 浙江理工大学 | Recycled concrete and use thereof |
-
2017
- 2017-09-25 CN CN201710874180.XA patent/CN107500667A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101708980A (en) * | 2009-12-14 | 2010-05-19 | 浙江理工大学 | Recycled concrete and use thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108314385A (en) * | 2018-04-03 | 2018-07-24 | 佛山科学技术学院 | A kind of C40 regeneration concretes and preparation method thereof |
| CN108547406A (en) * | 2018-05-31 | 2018-09-18 | 佛山科学技术学院 | A kind of High Strength Regenerated Concrete insulation blocks |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171222 |