CN110204281A - A kind of assorted fibre modified rubber concrete and preparation method thereof - Google Patents
A kind of assorted fibre modified rubber concrete and preparation method thereof Download PDFInfo
- Publication number
- CN110204281A CN110204281A CN201910532056.4A CN201910532056A CN110204281A CN 110204281 A CN110204281 A CN 110204281A CN 201910532056 A CN201910532056 A CN 201910532056A CN 110204281 A CN110204281 A CN 110204281A
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- modified rubber
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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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Road Paving Structures (AREA)
Abstract
The present invention provides a kind of assorted fibre modified rubber concrete and preparation method thereof, above-mentioned concrete is made of following parts by weight raw material: 7-16 parts of steel fibre, 2-6 parts of basalt fibre, 58 parts of modified rubber powder, 502-553 parts of cement, 504-530 parts of sand, 1126-1152 parts of stone, 5.00 parts of water-reducing agent, 166 parts of water.Assorted fibre modified rubber concrete provided by the invention has excellent anti-splitting parameter, compression strength and flexural strength, can effectively meet the use demand of the fields of employment such as well lid, heavy-load type road surface, the airport with high strong demand.
Description
Technical field
The present invention relates to technical field of concrete preparation more particularly to a kind of assorted fibre modified rubber concrete and its systems
Preparation Method.
Background technique
Cement concrete is widely used in Pavement Design a little due to its own, especially heavy-load type concrete road
Face, airfield runway, but since the mechanical property of concrete itself is not able to satisfy the long-time service on various road surfaces compared with road makes
With occurring more problem in the process, the maintenance cost on road surface is greatly improved.Therefore consider in concrete be added rubber with
And steel fibre and basalt fibre, while the bonding force of enhancing rubber grain and concrete is modified to rubber, it is mixed to increase
Ductility, the toughness for coagulating soil, meet the requirement of different kinds of roads.
Summary of the invention
In view of the above-mentioned problems, now providing a kind of assorted fibre rubber modified adhesive concrete and preparation method thereof, it is desirable to provide one
The assorted fibre rubber modified adhesive concrete of kind excellent in mechanical performance.
Specific technical solution is as follows:
The first aspect of the invention is to provide a kind of assorted fibre modified rubber concrete, has the feature that, by
Following parts by weight raw material composition: 7-16 parts of steel fibre, 2-6 parts of basalt fibre, 58 parts of modified rubber powder, cement 502-553
Part, 504-530 parts of sand, 1126-1152 parts of stone, 5.00 parts of water-reducing agent, 166 parts of water.
Above-mentioned assorted fibre modified rubber concrete also has the feature that, steel fibre is the wave that draw ratio is 40
Shape wave steel fibre.
Above-mentioned assorted fibre modified rubber concrete, also has the feature that, basalt fibre is length 15-
25mm, 15-25 μm of diameter of toughening enhance chopped strand.
Above-mentioned assorted fibre modified rubber concrete also has the feature that, modified rubber particle is by waste and old wheel
40-80 mesh rubber made of tire powder is broken is handled through close sodium oxide molybdena and is made.
Above-mentioned assorted fibre modified rubber concrete, also has the feature that, cement is 32.5-52.5 grades of general silicon
Acid salt cement.
Above-mentioned assorted fibre modified rubber concrete, also has the feature that, sand is that the gradation of partial size 20-70 mesh connects
One of continuous and non-uniform quartz sand, river sand, Machine-made Sand or mountain sand.
Above-mentioned assorted fibre modified rubber concrete, also has the feature that, water-reducing agent is polyocarboxy acid type high-performance
Water-reducing agent.
The second aspect of the invention is to provide a kind of preparation method of above-mentioned assorted fibre modified rubber concrete, has
Such feature, includes the following steps:
Step 1: putting into sand, stone, modified rubber particle, basalt fibre in forced mixer by metering, stir
It mixes and is after mixing again put into mixer cement, be again uniformly put into mixer steel fibre after being uniformly mixed；
Step 2: water-reducing agent, which is dissolved in water, forms diminishing agent solution, diminishing agent solution is added in blender and is stirred evenly,
Obtain assorted fibre rubber concrete.
Above-mentioned preparation method, also has the feature that, modified rubber particle the preparation method comprises the following steps: rubber grain is soaked
It steeps in the sodium hydrate aqueous solution that volume fraction is 10%, impregnates 15-30min, then take out the rubber grain impregnated
Drying, obtains modified rubber particle.
By being modified to rubber powder to enhance the bonding force of rubber grain and concrete in the present invention.
The beneficial effect of above scheme is:
Assorted fibre modified rubber concrete provided by the invention has excellent anti-splitting parameter, compression strength and anti-folding
Intensity can effectively meet the use demand of the fields of employment such as well lid, heavy-load type road surface, the airport with high strong demand.
Specific embodiment
Below in conjunction with the embodiment of the present invention, technical scheme in the embodiment of the invention is clearly and completely described,
Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based in the present invention
Embodiment, those of ordinary skill in the art's every other embodiment obtained without creative labor,
It shall fall within the protection scope of the present invention.
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
The present invention is further explained in the light of specific embodiments, but not as the limitation of the invention.
A kind of assorted fibre modified rubber concrete, preparation include the following steps:
Step 1: by measuring 504-530 parts of sand, 1126-1152 parts of stones, 58 parts of modified rubber particles, the 2-6 parts of Black Warriors
Rock fiber is put into forced mixer, is again put into mixer 502-553 parts of cement after being uniformly mixed, and stirring is mixed
7-16 steel fibre is uniformly put into mixer again after closing uniformly；
Step 2: 5.00 parts of water-reducing agents, which are dissolved in 166 parts of water, forms diminishing agent solution, blender is added in diminishing agent solution
In stir evenly, obtain assorted fibre rubber concrete；
Wherein, steel fibre is the waveform steel fibre that draw ratio is 40；Basalt fibre is length 15-25mm, diameter 15-
25 μm of toughening enhances chopped strand；Cement is 32.5-52.5 grades of common portland cements；Sand is the gradation of partial size 20-70 mesh
One of continuous and non-uniform quartz sand, river sand, Machine-made Sand or mountain sand；Water-reducing agent is polyocarboxy acid type high-performance water reducing agent,
Modified rubber particle the preparation method comprises the following steps: by rubber grain be immersed in volume fraction be 10% sodium hydrate aqueous solution in, leaching
15-30min is steeped, then the rubber grain impregnated is taken out and is dried, modified rubber particle is obtained.
Each component is as shown in the table in the embodiment of the present invention and comparative example:
The preparation method for the concrete that comparative example of the present invention provides and assorted fibre modified rubber provided herein are mixed
Solidifying soil preparation method is similar, and difference is compositional difference as shown above.In above-mentioned comparative example rubber powder be it is non-modified, by
Waste tire crushes manufactured 40-80 mesh rubber.
Above-described embodiment and comparative example performance test are as shown in the table:
As seen from the above table, the performance tool of assorted fibre modified rubber concrete provided by the invention has a distinct increment.
The foregoing is merely preferred embodiments of the present invention, are not intended to limit embodiments of the present invention and protection model
It encloses, to those skilled in the art, should can appreciate that and all replace with being equal made by present specification
It changes and obviously changes obtained scheme, should all be included within the scope of the present invention.
Claims (9)
1. a kind of assorted fibre modified rubber concrete, which is characterized in that be made of following parts by weight raw material: steel fibre 7-16
Part, 2-6 parts of basalt fibre, 58 parts of modified rubber powder, 502-553 parts of cement, 504-530 parts of sand, 1126-1152 parts of stone,
5.00 parts of water-reducing agent, 166 parts of water.
2. assorted fibre modified rubber concrete according to claim 1, which is characterized in that the steel fibre is draw ratio
For 40 waveform steel fibre.
3. assorted fibre modified rubber concrete according to claim 1, which is characterized in that the basalt fibre is length
Spend 15-25mm, 15-25 μm of diameter of toughening enhances chopped strand.
4. assorted fibre modified rubber concrete according to claim 1, which is characterized in that the modified rubber particle is
The 40-80 mesh rubber made of waste tire crushing is handled through close sodium oxide molybdena to be made.
5. a kind of assorted fibre modified rubber concrete according to claim 1, which is characterized in that the cement is
32.5-52.5 grade common portland cement.
6. a kind of assorted fibre modified rubber concrete according to claim 1, which is characterized in that the sand is partial size
The gradation of 20-70 mesh is continuous and one of non-uniform quartz sand, river sand, Machine-made Sand or mountain sand.
7. a kind of assorted fibre rubber modified adhesive concrete according to claim 1, which is characterized in that the water-reducing agent is poly-
Carboxylic acid type high-performance water reducing agent.
8. a kind of preparation method of any one of claim 1-7 assorted fibre modified rubber concrete, which is characterized in that packet
Include following steps:
Step 1: putting into sand, stone, modified rubber particle, basalt fibre in forced mixer by metering, stirring is mixed
Cement is put into mixer again after closing uniformly, is again uniformly put into mixer steel fibre after being uniformly mixed；
Step 2: water-reducing agent, which is dissolved in water, forms diminishing agent solution, diminishing agent solution is added in blender and is stirred evenly, is obtained mixed
Miscellaneous fiber rubber concrete.
9. preparation method according to claim 8, which is characterized in that modified rubber particle the preparation method comprises the following steps: by rubber
Particle is immersed in the sodium hydrate aqueous solution that volume fraction is 10%, impregnates 15-30min, the rubber that then will be impregnated
Grain takes out drying, obtains the modified rubber particle.
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| CN201910532056.4A CN110204281A (en) | 2019-06-19 | 2019-06-19 | A kind of assorted fibre modified rubber concrete and preparation method thereof |
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| CN201910532056.4A CN110204281A (en) | 2019-06-19 | 2019-06-19 | A kind of assorted fibre modified rubber concrete and preparation method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110550914A (en) * | 2019-10-14 | 2019-12-10 | 上海浦盈混凝土有限公司 | high-strength concrete and preparation method thereof |
| CN110606714A (en) * | 2019-09-24 | 2019-12-24 | 武汉科技大学 | Anti-freezing concrete with glass fiber and modified rubber and preparation method thereof |
| CN111847970A (en) * | 2020-06-17 | 2020-10-30 | 江苏克裂特新材料有限公司 | Preparation and application of concrete toughening and anti-permeability additive |
| CN113443862A (en) * | 2021-07-01 | 2021-09-28 | 武汉科技大学 | Basalt fiber rubber concrete mechanical property experimental method |
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| US5621037A (en) * | 1994-02-18 | 1997-04-15 | Young-Keun Hong | Rubber solution and rubber concrete using the same |
| CN102557555A (en) * | 2011-12-28 | 2012-07-11 | 河南大学 | Mineral fiber-modified flexible rubber concrete |
| CN103787605A (en) * | 2014-02-25 | 2014-05-14 | 河南省水利科学研究院 | Modification method of rubber particles and modified rubber concrete |
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| CN108264254A (en) * | 2018-02-01 | 2018-07-10 | 佛山科学技术学院 | A kind of preparation process of modified rubber particle for rubber concrete |
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2019
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| CN102557555A (en) * | 2011-12-28 | 2012-07-11 | 河南大学 | Mineral fiber-modified flexible rubber concrete |
| CN103787605A (en) * | 2014-02-25 | 2014-05-14 | 河南省水利科学研究院 | Modification method of rubber particles and modified rubber concrete |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110606714A (en) * | 2019-09-24 | 2019-12-24 | 武汉科技大学 | Anti-freezing concrete with glass fiber and modified rubber and preparation method thereof |
| CN110550914A (en) * | 2019-10-14 | 2019-12-10 | 上海浦盈混凝土有限公司 | high-strength concrete and preparation method thereof |
| CN111847970A (en) * | 2020-06-17 | 2020-10-30 | 江苏克裂特新材料有限公司 | Preparation and application of concrete toughening and anti-permeability additive |
| CN113443862A (en) * | 2021-07-01 | 2021-09-28 | 武汉科技大学 | Basalt fiber rubber concrete mechanical property experimental method |
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Application publication date: 20190906 |