CN106045388A - Rubber aggregate concrete - Google Patents
Rubber aggregate concrete Download PDFInfo
- Publication number
- CN106045388A CN106045388A CN201610355242.1A CN201610355242A CN106045388A CN 106045388 A CN106045388 A CN 106045388A CN 201610355242 A CN201610355242 A CN 201610355242A CN 106045388 A CN106045388 A CN 106045388A
- Authority
- CN
- China
- Prior art keywords
- rubber
- concrete
- aggregate
- rubber aggregate
- water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
-
- 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
- C04B18/18—Waste materials; Refuse organic
- C04B18/20—Waste materials; Refuse organic from macromolecular compounds
- C04B18/22—Rubber, e.g. ground waste tires
-
- 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
- C04B20/10—Coating or impregnating
- C04B20/1018—Coating or impregnating with organic materials
- C04B20/1022—Non-macromolecular compounds
-
- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/2038—Resistance against physical degradation
- C04B2111/2046—Shock-absorbing materials
-
- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/52—Sound-insulating materials
-
- 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
The invention discloses a rubber aggregate concrete which is prepared by mixing cement, water, fly ash, gravel, sand, rubber aggregate, a polycarboxylic acid high efficiency water reducing agent and an organosiloxane defoaming agent by a common concrete mixing method. The weight ratio of water to cement is 0.40-0.5. The rubber aggregate is modified by anhydrous ethanol. The modification process comprises the following steps: (1) immersing rubber aggregate in anhydrous ethanol for 23-25 hours, and filtering; (2) cleaning the immersed rubber aggregate granule surface with tap water; and (3) drying the cleaned rubber aggregate at 60-70 DEG C. The rubber aggregate concrete overcomes the defect of reduction of the concrete strength and uniformity after the rubber is added in the traditional concrete, ensures the concrete to have the strength and uniformity characteristics of the traditional concrete on the premise of ensuring favorable elastic damping, noise reduction, sound insulation, ductility and toughness of the ensure, and further promotes the recycling of the waste rubber.
Description
Technical field
The invention belongs to technical field of concrete, particularly relate to a kind of concrete mixed with rubber.
Background technology
China is rubber country of consumption maximum in the world, is again the rubber sources country that there is a serious shortage in the supply.According to statistics, the most entirely
The world there are about tens00000000 tires every year and scraps, and its Middle and North America constitutes about 400,000,000, and West Europe accounts for nearly 200,000,000,100,000,000, Japan, and I
State's year production tire is more than 800,000,000, and junked tire is more than 400,000,000.2012, Chinese automobile yield and sales volume were all more than 1800
Ten thousand, the rubber-consumer amount producing required tire reaches 10,860,000 tons, accounts for the whole world 38.8%.The recovery of U.S.'s waste tire of automobile
Rate is 77%, and the recovery utilization rate of Finland has reached 90%, and the response rate of Japan is also up to 87%.Although China tire production amount and
Junked tire generation amount radix is big and rapid development, but junked tire through regular channel recovery section less than 50%, this compared to
The response rate of countries in Europe differs greatly.Moreover, China's more than 90% junked tire is from individual purchase among the people.Greatly
The junked tire of amount is abandoned everywhere, air storage, or a large amount of inflow individual workship carries out renovation and local method is refined oil, and not only exists huge
Big potential safety hazard, takies the land resource of preciousness, and the poisonous and harmful elements such as its two formula English produced after burning can dirt
Dye air, and aggravate the generation of haze weather.Waste old comprehensive utilization with abandoned car tire as representative, domestic to alleviating
Consumption demand increases the shortage of resources brought and nervous situation is significant.The method processing junked tire conventional at present is main
Have: 1) tire is broken into IR fiber or powder production rubber or uses in bituminous concrete；2) desulfurization produces again
Rubber；3) some specific uses, such as manufacture carbon black, fuel oil etc..But said method treatment effect is the most undesirable, or place
Reason amount is extremely limited, based on this, the most in a large number, the process waste old of environmental protection, reduces occupation of land and the pollution problem of waste old,
Receive more and more attention.Concrete is a kind of construction material conventional in construction project, the concrete use that China is annual
Measuring the hugest, conventional cement concrete is recognized because of features such as tensile strength is low, deformation values is little, fragility is big, easy crackings always
For being a kind of fragile material, its Fracture Features is also similar with general fragile material, and studies discovery and add in conventional concrete
Rubber can effectively change this series of defect, the most just creates Rubber Concrete, compared with normal concrete, and rubber collection
Material concrete has many good characteristics, such as lightweight, elastic shock attenuation, noise reduction sound insulation, ductility and good toughness etc., many scholars because of
Its good toughness and be referred to as " elastic concrete ".Certainly, also to correspondingly there will be such as intensity relatively low for Rubber Concrete
The problem of poor with homogeneity (rubber aggregate floating), greatly constrains actual application, thus also reduces it to waste old
The function recycled.For the improvement of Rubber Concrete intensity, can be realized, also by the intensity improving rubber grain
Can be realized by rubber particle surface modification.But, the intensity of raising rubber grain is not only difficult to but also easily weakens
The positive influences that rubber flexible brings, therefore, start with from rubber aggregate surface modification, find effective surface modifier with rationally
Surface modifying method the intensity improving Rubber Concrete is improved, and homogeneity is studied simultaneously and just seems
Particularly significant.
Summary of the invention
It is an object of the invention to solve above-mentioned technical problem, it is provided that a kind of Rubber Concrete, this concrete has
Promoting the use of of good homogeneity and higher intensity, beneficially Rubber Concrete, also promotes waste old simultaneously
Recycling.
Technical scheme is as follows:
A kind of Rubber Concrete, by cement, water, flyash, stone, sand, rubber aggregate, polycarboxylic acids high efficiency diminishing
Agent and organosiloxane class defoamer use normal concrete blending method to mix and stir, and wherein, the ratio of water and cement weight is
0.40—0.5；Described rubber aggregate uses dehydrated alcohol to be modified, and its modification procedure is: rubber aggregate is placed on anhydrous by (1)
Filtering after soaking 23 25 hours in ethanol, the surface of the rubber aggregate granule that (2) are crossed by tap water cleaning and dipping, (3) will be clear
Rubber aggregate after washing is dried at a temperature of 60 DEG C 70 DEG C.
Further, described dehydrated alcohol uses sodium hydroxide or acid potassium permanganate to substitute.
Further, described sodium hydroxide volumetric concentration is 10%, potassium permanganate in acid potassium permanganate and nitric acid
Mass fraction is respectively 1% and 2%.
Further, also include polyacrylamide, and polyacrylamide accounts for all dispensing proportion and is not higher than 0.5%.
Further, the UEA extender of 9% is also included.
Beneficial effects of the present invention: the present invention is directed to the rubber aggregate that incorporation rubber mixes and stirs in conventional concrete and mix
Solidifying soil deficiency in intensity and homogeneity, uses dehydrated alcohol to mix and stir Concrete Structure again after being modified rubber aggregate
Mechanical property, improve intensity, and by use 0.40 0.5 the ratio of mud improve rubber aggregate distribution in concrete
Rate, makes up Rubber Concrete homogeneity poor, the defect that rubber aggregate easily floats, so that Rubber Concrete has
The intensity of conventional concrete and homogeneous characteristic is had again concurrently, simultaneously while good elastic shock attenuation, noise reduction sound insulation, ductility and toughness
Also promote the recycling of waste old, solve waste old pollution problem.
Detailed description of the invention
By particular specific embodiment, embodiments of the present invention being described below, those skilled in the art can be by this explanation
Content disclosed by book understands other advantages and effect of the present invention easily.
Below in conjunction with embodiment, the invention will be further described:
Embodiment 1: by cement 450 parts, 180 parts of water, 109 parts of flyash, 1078 parts of stone, 417 parts of sand, rubber aggregate
The counterweight of 80 parts, polycarboxylic acid series high efficiency water reducing agent 2.18 parts and organosiloxane class defoamer 0.27 part gets all the dispensing ready, water herein
Gray scale (i.e. water and the ratio of cement weight) is 0.4, before mixing and stirring, uses dehydrated alcohol to be modified rubber aggregate, and it changes
Property step be: (1) rubber aggregate is placed in dehydrated alcohol immersion 23 hours after filter, (2) are crossed by tap water cleaning and dipping
The surface of rubber aggregate granule, (3) will clean after rubber aggregate dry at a temperature of 60 DEG C after standby.Rubber after drying
Gather materials and other dispensings add in stirring instrument, then according to GB/T 50080-2002 " normal concrete mixture performance test
Method standard " the method mix molding that specifies.
Embodiment 2: by cement 400 parts, 180 parts of water, 109 parts of flyash, 1078 parts of stone, 417 parts of sand, rubber aggregate 80
The counterweight of part, polycarboxylic acid series high efficiency water reducing agent 2.18 parts and organosiloxane class defoamer 0.27 part gets all the dispensing ready, herein water ash
Ratio 0.45, before mixing and stirring, uses dehydrated alcohol to be modified rubber aggregate, and its modification procedure is: rubber aggregate is put by (1)
Filtering after soaking 24 hours in dehydrated alcohol, the surface of the rubber aggregate granule that (2) are crossed by tap water cleaning and dipping, (3) will
Rubber aggregate after cleaning is standby after drying at a temperature of 65 DEG C.Rubber aggregate after drying and other dispensings add stirring instrument
In device, then according to the method mix that GB/T 50080-2002 " normal concrete mixture performance test method standard " specifies
Molding.
Embodiment 3: by cement 360 parts, 180 parts of water, 109 parts of flyash, 1078 parts of stone, 417 parts of sand, rubber aggregate 80
The counterweight of part, polycarboxylic acid series high efficiency water reducing agent 2.18 parts and organosiloxane class defoamer 0.27 part gets all the dispensing ready, herein water ash
Ratio 0.5, before mixing and stirring, uses dehydrated alcohol to be modified rubber aggregate, and its modification procedure is: rubber aggregate is put by (1)
Filtering after soaking 25 hours in dehydrated alcohol, the surface of the rubber aggregate granule that (2) are crossed by tap water cleaning and dipping, (3) will
Rubber aggregate after cleaning is standby after drying at a temperature of 70 DEG C.Rubber aggregate after drying and other dispensings add stirring instrument
In device, then according to the method mix that GB/T 50080-2002 " normal concrete mixture performance test method standard " specifies
Molding.
Further, above-mentioned dehydrated alcohol can use sodium hydroxide or acid potassium permanganate to substitute, during concrete operations, upper
On the basis of stating three embodiments, dehydrated alcohol being replaced with sodium hydroxide or acid potassium permanganate, other operating procedures are constant,
Still can get intensity and homogeneity preferably concrete.
Further, for preferably reaching to improve concrete strength and the effect of homogeneity, above-mentioned sodium hydroxide solution
Volumetric concentration is 10%, and potassium permanganate and the mass fraction of nitric acid in acid permanganate soln are respectively 1% and 2%.
Further, owing to thickening agent can improve system viscosity, make system keep the most stable suspended state or
Milkiness state, or form gel, be conducive to improving the homogeneity of concrete, in concrete, be therefore also added with polyacrylamide
(PAM), polyacrylamide is acrylamide monomer homopolymerization or copolymerization resulting polymers under initiator effect, and molecular weight is from 400
Ten thousand to 1,200 ten thousand, the biggest thickening effect of molecular weight is the most obvious, and its price is the most expensive, herein, it is contemplated that thickening effect and valency
The double factor of lattice, to reach more preferable cost performance, elite molecular weight is that the polyacrylamide of 8,000,000 is as thickening agent, warp
Test, the addition of the polyacrylamide impact such as table 1 below on homogeneity of concrete:
Table 1
As shown in Table 1, the slump of fresh concrete is affected not quite in the range of the volume of 0 0.7% by PAM, but meeting
Significantly affect the distributive law of rubber aggregate.From table 1 it follows that in the range of 0 0.5%, along with the increasing of PAM volume
Adding, the distributive law difference of rubber aggregate reduces, and concrete entirety uniformity strengthens；When PAM volume is 0.5%, rubber aggregate
Float-amount reduces 80% compared to not mixing PAM, significantly improves the homogeneity of Rubber Concrete；When volume is more than
When 0.5%, increasing the volume of PAM, the distributive law difference change of rubber aggregate is inconspicuous, illustrates that the volume of PAM is not preferably greater than
0.5%.
Further, for improving plastic shrinkage and the early-age crack situation of Rubber Concrete, spy mixes in concrete
Enter the UEA extender of account for all dispensing proportion 9%.
The principle of above-described embodiment only illustrative present invention and effect thereof, not for limiting the present invention.Any ripe
Above-described embodiment all can be modified under the spirit and the scope of the present invention or change by the personage knowing this technology.Cause
This, have usually intellectual such as complete with institute under technological thought without departing from disclosed spirit in art
All equivalences become are modified or change, and must be contained by the claim of the present invention.
Claims (5)
1. a Rubber Concrete, by cement, water, flyash, stone, sand, rubber aggregate, polycarboxylic acid series high efficiency water reducing agent
Use normal concrete blending method to mix and stir with organosiloxane class defoamer, it is characterised in that: water and cement weight it
Ratio is 0.40～0.5；Described rubber aggregate uses dehydrated alcohol to be modified, and its modification procedure is: rubber aggregate is placed on by (1)
Filter after dehydrated alcohol soaks 23～25 hours, the surface of the rubber aggregate granule that (2) are crossed by tap water cleaning and dipping, (3)
Rubber aggregate after cleaning is dried at a temperature of 60 DEG C～70 DEG C.
Rubber Concrete the most according to claim 1, it is characterised in that: described dehydrated alcohol uses sodium hydroxide or acid
Property potassium permanganate substitute.
Rubber Concrete the most according to claim 2, it is characterised in that: described sodium hydroxide volumetric concentration is 10%,
Potassium permanganate and the mass fraction of nitric acid in acid potassium permanganate are respectively 1% and 2%.
Rubber Concrete the most according to claim 1, it is characterised in that: also include polyacrylamide, and polyacrylamide
Amine accounts for all dispensing proportion and is not higher than 0.5%.
Rubber Concrete the most according to claim 1, it is characterised in that: also include UEA extender and its account for all joining
The 9% of material proportion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610355242.1A CN106045388A (en) | 2016-05-25 | 2016-05-25 | Rubber aggregate concrete |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610355242.1A CN106045388A (en) | 2016-05-25 | 2016-05-25 | Rubber aggregate concrete |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106045388A true CN106045388A (en) | 2016-10-26 |
Family
ID=57175963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610355242.1A Pending CN106045388A (en) | 2016-05-25 | 2016-05-25 | Rubber aggregate concrete |
Country Status (1)
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|---|---|
| CN (1) | CN106045388A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107311495A (en) * | 2017-07-12 | 2017-11-03 | 湖北工业大学 | Rubber grain weightening finish method and rubber concrete preparation method |
| CN107445565A (en) * | 2017-07-18 | 2017-12-08 | 河北卓达建材研究院有限公司 | A kind of noise reduction shock-absorbing function plate and preparation method thereof |
| CN107602145A (en) * | 2017-09-13 | 2018-01-19 | 无锡市交通工程有限公司 | A kind of high-ductility concrete and the concrete road surface using its cast |
| 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 |
| CN108675720A (en) * | 2018-06-05 | 2018-10-19 | 张芸 | A kind of preparation method of reducing noise rubber pavior brick |
| CN112441795A (en) * | 2020-12-07 | 2021-03-05 | 斯博锐精细化学品(广东)有限公司 | Cement-based non-vibration ramp material and preparation method thereof |
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| US5456751A (en) * | 1993-09-03 | 1995-10-10 | Trustees Of The University Of Pennsylvania | Particulate rubber included concrete compositions |
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| CN104030638A (en) * | 2014-06-16 | 2014-09-10 | 西南交通大学 | Rubber elastic self-compaction concrete for plate-type ballastless tracks |
| CN105502986A (en) * | 2016-01-06 | 2016-04-20 | 中冶建工集团有限公司 | Method for modification of rubber in crumb rubber concrete |
-
2016
- 2016-05-25 CN CN201610355242.1A patent/CN106045388A/en active Pending
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| CN104030638A (en) * | 2014-06-16 | 2014-09-10 | 西南交通大学 | Rubber elastic self-compaction concrete for plate-type ballastless tracks |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107311495A (en) * | 2017-07-12 | 2017-11-03 | 湖北工业大学 | Rubber grain weightening finish method and rubber concrete preparation method |
| CN107311495B (en) * | 2017-07-12 | 2019-10-11 | 湖北工业大学 | Rubber grain weightening finish method and rubber concrete preparation method |
| CN107445565A (en) * | 2017-07-18 | 2017-12-08 | 河北卓达建材研究院有限公司 | A kind of noise reduction shock-absorbing function plate and preparation method thereof |
| CN107602145A (en) * | 2017-09-13 | 2018-01-19 | 无锡市交通工程有限公司 | A kind of high-ductility concrete and the concrete road surface using its cast |
| 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 |
| CN108264254B (en) * | 2018-02-01 | 2020-12-08 | 佛山科学技术学院 | Preparation process of modified rubber particles for rubber concrete |
| CN108675720A (en) * | 2018-06-05 | 2018-10-19 | 张芸 | A kind of preparation method of reducing noise rubber pavior brick |
| CN112441795A (en) * | 2020-12-07 | 2021-03-05 | 斯博锐精细化学品(广东)有限公司 | Cement-based non-vibration ramp material and preparation method thereof |
| CN112441795B (en) * | 2020-12-07 | 2021-06-25 | 斯博锐精细化学品(广东)有限公司 | Cement-based non-vibration ramp material and preparation method thereof |
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Application publication date: 20161026 |