CN106478002A - A kind of vibration insulation and noise reduction rubber concrete and preparation method thereof - Google Patents
A kind of vibration insulation and noise reduction rubber concrete and preparation method thereof Download PDFInfo
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- CN106478002A CN106478002A CN201510557632.2A CN201510557632A CN106478002A CN 106478002 A CN106478002 A CN 106478002A CN 201510557632 A CN201510557632 A CN 201510557632A CN 106478002 A CN106478002 A CN 106478002A
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- 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 provides a kind of vibration insulation and noise reduction rubber concrete, including raw material cement mortar, aggregate and additive；Concrete following components according to the mass fraction are made：Cement mortar includes 470～550 parts of cement and 180～220 parts of water；Aggregate includes 440～500 parts of sand, 1120 parts of stone and 30～80 parts of rubber granule；Additive includes 0.5～2 part of water reducer and modifying agent, and modifier concentration is 10%～17%.The preparation method of the concrete segment is：1) rubber grain is modified；2) water reducer is dissolved；3) stir；4) shaping, maintenance.By modification and concrete component design to rubber particle surface, the deficiency of rubber concrete prior art low intensity is overcome, is prepared for preferable mechanical property, can effectively absorb vibrational energy, hence it is evident that improve shock resistance and the damping performance of concrete.
Description
Technical field
The present invention relates to a kind of concrete, and in particular to a kind of vibration insulation and noise reduction rubber concrete and preparation method thereof.
Background technology
At present, about 20,000,000 tons of the annual production of whole world waste old, the annual production of China's waste old are estimated to have reached 1,500,000 tons.
Domestic and international researcher is turned one's attention on waste old modified cement-concrete.Cement concrete is the maximum construction material of consumption,
But the performance deficiencies such as the high fragility of concrete, low strain dynamic ability and early-age shrinkage limit cement concrete answering in a lot of particular places
With.Rationally reclaim, utilize these waste olds significant, waste and old rubber particle is used for cement concrete as aggregate
Material is a kind of resources conservation, eco-friendly utilization ways.
Add rubber powder in cement concrete or micelle can significantly reduce density, increase toughness and ductility, improve shock resistance and resist tired
Labor ability.Rubber powder is all risen as tiny material the effect of elastic-like fiber, can reduce various stress and the constraint microcosmic of system
Crackle, so as to reduce the concrete fracture that crackle produces and prevents or slow down micro-crack development and cause；While formed absorbing strain
The malformation center of energy, absorbs vibrational energy, hence it is evident that improve shock resistance and the damping performance of concrete in a large number.The resistance of material
Buddhist nun is the leading indicator for weighing material damping property itself, and damping is more big, shows that the vibratility of material itself is lower, is more conducive to
The normal use of material.
Birmingham, GBR university research finds that low-density modified rubber cement is advantageous in terms of heat-insulated and acoustic material is manufactured；
Tongji University's history is towering and professor's Zhang Xiong research finds, with the increase of rubber powder volume, the dynamic modulus of elasticity of cement mortar and intrinsic
Frequency reduces, and ultrasonic wave propagation rate wherein reduces.
But waste old the compressive property of concrete is had larger unfavorable, so as to cause the practical application of current rubber concrete
It is extremely restricted.CN 103787605A patent of invention discloses a kind of method of modifying of rubber grain and a kind of modified rubber
Concrete, 28 days compression strength of gained rubber concrete are about 17～19MPa, and tensile splitting strength is about 15～17MPa,
Performance is undesirable.Need to provide a kind of modification by rubber particle surface and to the improved technical scheme of concrete component for this,
To improve compression strength and the soundproof effect of rubber concrete.
Content of the invention
It is an object of the invention to provide a kind of vibration insulation and noise reduction rubber concrete and preparation method thereof, by rubber particle surface
The design of modified and concrete component, overcomes the deficiency of rubber concrete prior art low intensity, is prepared for preferable mechanical property
Vibrational energy can be effectively absorbed, hence it is evident that improve shock resistance and the damping performance of concrete.
For achieving the above object, the present invention is employed the following technical solutions：
A kind of rubber concrete, including raw material cement mortar, aggregate and additive, the concrete according to the mass fraction following groups
Part is made：The cement mortar includes 470～550 parts of cement and 180～220 parts of water；The aggregate include 440～500 parts of sand,
1120 parts of stone and 30～80 parts of rubber granule；The additive includes 0.5～2 part of water reducer and modifying agent, the modifier concentration
For 10%～17%.
First preferred version of the rubber concrete, the cement mortar include 550 parts of cement and 200 parts of water；The aggregate bag
Include 440～500 parts of sand, 1120 parts of stone and 30～80 parts of rubber granule；The additive includes 0.5～2 part of water reducer and modification
Agent, the modifier concentration are 10%～17%.
Second preferred version of the rubber concrete, the cement mortar include 470～550 parts of cement and 180～220 parts of water；Institute
Stating aggregate includes 450 parts of sand, 1120 parts of stone and 50 parts of rubber granule；The additive includes 0.5～2 part of water reducer and changes
Property agent, the modifier concentration be 10%～17%.
3rd preferred version of the rubber concrete, the cement mortar include 470～550 parts of cement and 180～220 parts of water；Institute
Stating aggregate includes 440～500 parts of sand, 1120 parts of stone and 30～80 parts of rubber granule；The additive include 1 part of water reducer and
Modifying agent, the modifier concentration are 17%.
4th preferred version of the rubber concrete, according to the mass fraction, optimum mix is the concrete material：Cement
500 parts, 200 parts of water, 450 parts of sand, 1120 parts of stone, 50 parts of rubber granule, 1 part of water reducer and modifier concentration are
17%.
5th preferred version of the rubber concrete, in the raw material of the concrete segment, the ratio of mud is 0.4.
6th preferred version of the rubber concrete, the cement are portland cement, and the cement grade is 42.5 grades of P.O.
7th preferred version of the rubber concrete, the particle diameter of the rubber is 2～5mm.
8th preferred version of the rubber concrete, the water reducer are naphthalene series high-efficiency water-reducing agent.
9th preferred version of the rubber concrete, the modifying agent are NaOH solution.
A kind of preparation method of described rubber concrete, its step are as follows：
1) rubber grain is soaked in NaOH solution, under normal temperature sealing place 48h, then with clear water to the rubber after process
Particle is rinsed, standby after drying；
2) water reducer is added to the water stirring, so that water reducer is fully dissolved, gained mixed solution is standby；
3) modified rubber grain is mixed with stone, mixer stirring 3min is added, is mixed；Rubber grain is uniform
After mixing, sand is added to continue stirring 3min；The diminishing agent solution of cement and mixing for standby use is eventually adding, stirs 4min；
4) concrete being stirred is poured into mould, after the shaping of ZDP-1000x1000 shake table, 20 DEG C of temperature is put into, wet
The standard curing room of degree 95%.
First optimal technical scheme of the preparation method of described rubber concrete, the step 1) NaOH solution concentration be
17%.
Second optimal technical scheme of the preparation method of described glue concrete, the step 3) feeding sequence be successively：Stone
Son, rubber grain, sand, cement and diminishing agent solution.
Compared with immediate prior art, the invention has the advantages that：
1) present invention can achieve the regeneration of scrap rubber, production technology is pollution-free, reduce pollution of the waste old to environment；
2) the rubber concrete raw materials that the present invention is provided easily are obtained and price is low, and manufacturing process is simple, easy to operate become
This is low；
3) mechanical property such as intensity of rubber concrete that the present invention is provided improves more than 20-30% than normal concrete；
4) rubber concrete prepared by the present invention can effectively absorb vibrational energy, hence it is evident that improve shock resistance and the damping of concrete
Performance.
Specific embodiment
Below in conjunction with embodiment, technical scheme is clearly and completely described, it is clear that described enforcement
Example is only a part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, the common skill in this area
The every other embodiment obtained under the premise of creative work is not made by art personnel, belongs to the scope of protection of the invention.
Specific implementation process is with reference to China《Design of common concrete proportioning code》(JGJ 55-2011) and《Normal concrete is mixed
Compound method for testing performance standard》(GB_T 50080-2002).
Embodiment 1
A kind of vibration insulation and noise reduction rubber concrete, the concrete segment are made up of following raw materials according according to the mass fraction：470 parts of cement,
500 parts of sand, 1120 parts of stone, 30 parts of rubber granule, 0.5 part of water reducer and 188 parts of water, modifier concentration are 17%.
Embodiment 2
A kind of vibration insulation and noise reduction rubber concrete, the concrete segment are made up of following raw materials according according to the mass fraction：470 parts of cement,
460 parts of sand, 1120 parts of stone, 50 parts of rubber granule, 1 part of water reducer and 188 parts of water, modifier concentration 17%.
Embodiment 3
A kind of vibration insulation and noise reduction rubber concrete, the concrete segment are made up of following raw materials according according to the mass fraction：500 parts of cement,
440 parts of sand, 1120 parts of stone, 70 parts of rubber granule, 1 part of water reducer and 200 parts of water, modifier concentration 17%.
Embodiment 4
A kind of vibration insulation and noise reduction rubber concrete, the concrete segment are made up of following raw materials according according to the mass fraction：500 parts of cement,
440 parts of sand, 1120 parts of stone, 70 parts of rubber granule, 1 part of water reducer and 200 parts of water, modifier concentration 10%.
The preparation method of described vibration insulation and noise reduction rubber concrete, its step are as follows：
1) rubber grain is soaked in NaOH solution, under normal temperature sealing place 48h, then with the rubber after clear water flushing process
Glue particle, standby after drying；
2) water reducer is added to the water stirring, so that water reducer is fully dissolved, gained mixed solution is standby；
3) modified rubber grain is mixed with stone, mixer stirring 3min is added, is mixed；Rubber grain is uniform
After mixing, sand is added to continue stirring 3min；The diminishing agent solution of cement and mixing for standby use is eventually adding, stirs 4min；
4) concrete being stirred is poured into mould, after the shaping of ZDP-1000x1000 shake table, 20 DEG C of temperature is put into, wet
The standard curing room of degree 95%.
The performance of embodiment 1-4 gained rubber concrete is as shown in the table, when NaOH concentration is 17%, the interpolation of rubber granule,
28 days compression strength and tensile splitting strength is made all to improve about more than 20-30%, effect is obvious；As rubber granule contains in aggregate
The increase of amount, damping ratio are also improved accordingly, illustrate that rubber concrete effectively increases its cushioning ability.Elastic modelling quantity
Growth rate is less than the growth rate of tensile strength, that is to say, that in embodiment, rubber concrete inhibits elastic modelling quantity to a certain extent
Growth, and gained elastic mould value is less than the resistance to compression described in prior art, the elastic mould value under tensile strength.
When NaOH concentration is 10%, the resistance to compression of concrete, tensile strength have all reduced, and the intensity of normal concrete is held
Flat, illustrate that the concentration of modifying agent has impact to the strength character of concrete.
, only in order to technical scheme to be described rather than a limitation, those of ordinary skill in the art should for above example
Understand, the specific embodiment of the present invention can be modified or equivalent with reference to above-described embodiment, these are without departing from this
Any modification of spirit and scope or equivalent are all being applied within pending claims.
Claims (11)
1. a kind of rubber concrete, including raw material cement mortar, aggregate and additive, it is characterised in that quality pressed by the concrete
Following components of number meter are made：The cement mortar includes 470～550 parts of cement and 180～220 parts of water；The aggregate includes sand
440～500 parts of son, 1120 parts of stone and 30～80 parts of rubber granule；The additive includes 0.5～2 part of water reducer and modifying agent,
The modifier concentration is 10%～17%.
2. rubber concrete according to claim 1, it is characterised in that the cement mortar includes 550 parts of cement and water
200 parts；The aggregate includes 440～500 parts of sand, 1120 parts of stone and 30～80 parts of rubber granule；The additive includes to subtract
0.5～2 part of aqua and modifying agent, the modifier concentration are 10%～17%.
3. rubber concrete according to claim 1, it is characterised in that the cement mortar include 470～550 parts of cement and
180～220 parts of water；The aggregate includes 450 parts of sand, 1120 parts of stone and 50 parts of rubber granule；The additive includes to subtract
0.5～2 part of aqua and modifying agent, the modifier concentration are 10%～17%.
4. rubber concrete according to claim 1, it is characterised in that the cement mortar include 470～550 parts of cement and
180～220 parts of water；The aggregate includes 440～500 parts of sand, 1120 parts of stone and 30～80 parts of rubber granule；The additive
Including 1 part of water reducer and modifying agent, the modifier concentration is 17%.
5. rubber concrete according to claim 1, it is characterised in that raw material optimum mix is：500 parts of cement,
200 parts of water, 450 parts of sand, 1120 parts of stone, 50 parts of rubber granule, 1 part of water reducer and modifier concentration are 17%.
6. rubber concrete according to claim 1, it is characterised in that the ratio of mud is 0.4 in the raw material of the concrete.
7. rubber concrete according to claim 1, it is characterised in that the cement is the silicic acid of 42.5 grades of label P.O
Salt cement.
8. rubber concrete according to claim 1, it is characterised in that the particle diameter of the rubber is 2～5mm.
9. rubber concrete according to claim 1, it is characterised in that the water reducer is naphthalene series high-efficiency water-reducing agent.
10. rubber concrete according to claim 1, it is characterised in that the modifying agent is NaOH solution.
The preparation method of the rubber concrete described in a kind of 11. claims 1, its step are as follows：
1) rubber grain is soaked in NaOH solution, placement 48h sealed, then using clear water to the rubber grain after process
It is rinsed, standby after drying；
2) water reducer is added to the water stirring, so that water reducer is fully dissolved, gained mixed solution is standby；
3) modified rubber grain is mixed with stone, mixer stirring 3min is added, is mixed；Rubber grain is uniform
After mixing, sand is added to continue stirring 3min；The diminishing agent solution of cement and mixing for standby use is eventually adding, stirs 4min；
4) concrete being stirred is poured into mould, after shake table shaping, is put into standard curing room.
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107151111A (en) * | 2017-06-16 | 2017-09-12 | 济南大学 | A kind of regeneration aggregate pervious concrete |
| CN107602016A (en) * | 2017-10-10 | 2018-01-19 | 汪逸凡 | A kind of modified rubber concrete and preparation method thereof |
| 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 |
| CN108484037A (en) * | 2018-04-04 | 2018-09-04 | 国网河南省电力公司电力科学研究院 | It is a kind of to utilize high-strength durable concrete and preparation method thereof made from retired composite insulator modified silicon rubber |
| CN108516714A (en) * | 2018-04-04 | 2018-09-11 | 国网河南省电力公司电力科学研究院 | The method of modifying of retired composite insulator silicon rubber and its application in high-toughness mortar |
| CN108585669A (en) * | 2018-04-04 | 2018-09-28 | 国网河南省电力公司电力科学研究院 | The method of modifying of retired composite insulator silicon rubber and its application in noise-reducing concrete |
| CN108675720A (en) * | 2018-06-05 | 2018-10-19 | 张芸 | A kind of preparation method of reducing noise rubber pavior brick |
| CN110590315A (en) * | 2019-09-06 | 2019-12-20 | 徐州山溪建筑材料有限公司 | Compression-resistant waterproof concrete |
| CN110627460A (en) * | 2019-10-30 | 2019-12-31 | 广西交通科学研究院有限公司 | Novel rubber asphalt concrete pavement material |
| CN111484282A (en) * | 2020-03-13 | 2020-08-04 | 上海练定新材料科技有限公司 | High-flow-state anti-crack concrete and preparation method thereof |
| CN113929376A (en) * | 2020-06-29 | 2022-01-14 | 比亚迪股份有限公司 | Rubber concrete, preparation method thereof and bridge |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107151111A (en) * | 2017-06-16 | 2017-09-12 | 济南大学 | A kind of regeneration aggregate pervious concrete |
| CN107151111B (en) * | 2017-06-16 | 2019-07-30 | 济南大学 | A kind of recycled aggregate pervious concrete |
| CN107602016A (en) * | 2017-10-10 | 2018-01-19 | 汪逸凡 | A kind of modified rubber concrete and preparation method thereof |
| 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 |
| 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 |
| CN108484037A (en) * | 2018-04-04 | 2018-09-04 | 国网河南省电力公司电力科学研究院 | It is a kind of to utilize high-strength durable concrete and preparation method thereof made from retired composite insulator modified silicon rubber |
| CN108516714A (en) * | 2018-04-04 | 2018-09-11 | 国网河南省电力公司电力科学研究院 | The method of modifying of retired composite insulator silicon rubber and its application in high-toughness mortar |
| CN108585669A (en) * | 2018-04-04 | 2018-09-28 | 国网河南省电力公司电力科学研究院 | The method of modifying of retired composite insulator silicon rubber and its application in noise-reducing concrete |
| CN108675720A (en) * | 2018-06-05 | 2018-10-19 | 张芸 | A kind of preparation method of reducing noise rubber pavior brick |
| CN110590315A (en) * | 2019-09-06 | 2019-12-20 | 徐州山溪建筑材料有限公司 | Compression-resistant waterproof concrete |
| CN110627460A (en) * | 2019-10-30 | 2019-12-31 | 广西交通科学研究院有限公司 | Novel rubber asphalt concrete pavement material |
| CN111484282A (en) * | 2020-03-13 | 2020-08-04 | 上海练定新材料科技有限公司 | High-flow-state anti-crack concrete and preparation method thereof |
| CN113929376A (en) * | 2020-06-29 | 2022-01-14 | 比亚迪股份有限公司 | Rubber concrete, preparation method thereof and bridge |
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Inventor after: Liu Xiaosheng Inventor after: Lu Chunyi Inventor after: Fang Qi Inventor after: He Mingfeng Inventor after: Jin Xiaofeng Inventor after: Nie Jingkai Inventor after: Fan Chao Inventor after: Xu Limin Inventor after: Tian Yi Inventor after: Wang Guangke Inventor after: Ma Guang Inventor after: Lu Lin Inventor after: Zhu Zhixiang Inventor after: Yang Fuyao Inventor after: Li Rui Inventor after: Jin Wende Inventor after: Zhang Shujun Inventor after: Pan Weiwei Inventor after: Li Jing Inventor after: Kong Xiaofeng Inventor after: Wang Bin Inventor before: Liu Xiaosheng Inventor before: Fan Chao Inventor before: Xu Limin Inventor before: Tian Yi Inventor before: Wang Guangke Inventor before: Ma Guang Inventor before: Zhu Zhixiang Inventor before: Yang Fuyao Inventor before: Li Jing Inventor before: Kong Xiaofeng Inventor before: Wang Bin Inventor before: Lu Chunyi Inventor before: Fang Qi Inventor before: He Mingfeng Inventor before: Jin Xiaofeng Inventor before: Nie Jingkai |
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Effective date of registration: 20170922 Address after: 310007 Huanglong Road, Zhejiang, Hangzhou, No. 8 Applicant after: STATE GRID ZHEJIANG ELECTRIC POWER Co. Applicant after: State Grid Corporation of China Applicant after: GLOBAL ENERGY INTERCONNECTION Research Institute Address before: 102209 Beijing City, Changping District science and Technology Park in the future smart grid research institute hospital Applicant before: GLOBAL ENERGY INTERCONNECTION RESEARCH INSTITUTE Applicant before: State Grid Corporation of China Applicant before: STATE GRID ZHEJIANG ELECTRIC POWER COMPANY JINHUA POWER SUPPLY Co. |
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Application publication date: 20170308 |