CN100389239C - A new material sound absorption, insulation common sound shielding and producing method thereof - Google Patents
A new material sound absorption, insulation common sound shielding and producing method thereof Download PDFInfo
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- CN100389239C CN100389239C CNB2005101056819A CN200510105681A CN100389239C CN 100389239 C CN100389239 C CN 100389239C CN B2005101056819 A CNB2005101056819 A CN B2005101056819A CN 200510105681 A CN200510105681 A CN 200510105681A CN 100389239 C CN100389239 C CN 100389239C
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Abstract
The present invention discloses a GRC sound-absorbing sound-insulating coenosarcs sound screen made of novel material. The front part of an inner cavity of the sound screen is provided with a sound-absorbing material cavity, and the back part is provided with an air cushion cavity. A sound screen body is made of alkali-proof glass fiber reinforced cement component which contains (by weight portion) 40-60 portions of cement, 40-55 portions of sand, 2-4 portions of alkali-proof glass fiber and proper quantity of water. The sound screen has the characteristics of good sound-absorbing and sound-insulating effects, and beautiful decoration.
Description
Technical field
The present invention relates to a kind of sound absorption, sound insulation product of section bar material, relate in particular to GRC sound absorption, insulation common sound shielding of a kind of new material and preparation method thereof.
Background technology
At present, a kind of glass fiber-reinforced cement (being called for short GRC) is arranged on the market, generally be used for constructional materials, be to mix by alkali-resistant glass fibre, cement, sand, this product was through the improvement in more than 30 years, have the intensity height, multiple advantages such as strong, the light body of durability have been widely used on building field and speedway and the viaduct and have done noise barrier.But because the restriction of technology, its sound absorption, defening effect is not good enough.
Summary of the invention
The object of the present invention is to provide a kind of sound absorption, sound insulation product of new material, GRC sound absorption, insulation common sound shielding of a kind of new material and preparation method thereof especially is provided, overcome the shortcoming of above-mentioned noise barrier product.
The objective of the invention is to be achieved through the following technical solutions:
A kind of GRC sound absorption, insulation common sound shielding of new material, this sound barrier is provided with single independently inner chamber, the inner chamber front portion of this sound barrier is the sound absorption material chamber, the rear portion is the air cushion chamber, described sound separating member is the reinforced cementitious component of alkali-resistant glass fibre, and the reinforced cementitious component of described alkali-resistant glass fibre comprises following parts by weight of component: cement 40-60, sand 40-55, alkali-resistant glass fibre 2-4, water are an amount of.
The reinforced cementitious component of described alkali-resistant glass fibre is preferably following parts by weight of component: cement 50, sand 47, fiber 3, water are an amount of.
The backboard place of described sound barrier can also be provided with embossment; The outer end of this sound barrier also can be provided with shutter.
The material in the anterior sound absorption material of the inner chamber of sound barrier of the present invention chamber can be acoustical cotton, and the acoustic energy that sound wave is caused is converted into heat energy, effectively reduces noise; The air cushion chamber at rear portion significantly strengthens the sound insulation value of product; Shutter can pass through sound wave, arrives the acoustical cotton layer; The GRC backboard stop sound wave by and acoustic reflection is returned the acoustical cotton layer carries out secondary and absorb.
The present invention also provides a kind of preparation method of GRC sound absorption, insulation common sound shielding of new material, may further comprise the steps: with the said components mixing for standby use, make mould, spray cast molding then and get final product.
The GRC sound absorption, insulation common sound shielding of new material of the present invention has the following advantages:
1, GRC sound absorption, insulation common sound shielding of the present invention adopts above-mentioned material to be prepared from, and does not also have this material component to be prepared into sound absorption, insulation common sound shielding at present.
2, good, the beautiful decoration of sound-absorbing, soundproof effect, light characteristics.
Description of drawings
Fig. 1 is the structural representation of GRC sound absorption, insulation common sound shielding of the present invention
The specific embodiment
Embodiment 1
The GRC sound absorption, insulation common sound shielding of a kind of new material as described in Figure 1, the inner chamber front portion of this sound barrier is sound absorption material chamber (1), the rear portion is air cushion chamber (2), described to give birth to the screen body be the reinforced cementitious component of alkali-resistant glass fibre, and the reinforced cementitious component of described alkali-resistant glass fibre contains following component (KG): cement 50, sand 47, fiber 3, water are an amount of.
Preparation method: with the said components mixing for standby use, make mould, spray cast molding then and get final product.
Embodiment 2
The GRC sound absorption, insulation common sound shielding of a kind of new material as described in Figure 1, the inner chamber front portion of this sound barrier is sound absorption material chamber (1), the rear portion is air cushion chamber (2), described to give birth to the screen body be the reinforced cementitious component of alkali-resistant glass fibre, and the reinforced cementitious component of described alkali-resistant glass fibre contains following component (KG): cement 40, sand 40, alkali-resistant glass fibre 2, water are an amount of.
Preparation method: with the said components mixing for standby use, make mould, spray cast molding then and get final product.
Embodiment 3
The GRC sound absorption, insulation common sound shielding of a kind of new material as described in Figure 1, the inner chamber front portion of this sound barrier is sound absorption material chamber (1), the rear portion is air cushion chamber (2), and this sound barrier backboard (3) is located the position embossment is set: the outer end of this sound barrier also is provided with shutter (4).
Described to give birth to the screen body be the reinforced cementitious component of alkali-resistant glass fibre, and the reinforced cementitious component of described alkali-resistant glass fibre contains following component (KG): cement 60, sand 55, alkali-resistant glass fibre 4, water are an amount of.
Preparation method: with the said components mixing for standby use, make mould, spray cast molding then and get final product.
This sound barrier has] sound-absorbing, soundproof effect are good, beautiful decoration, light characteristics.
Claims (3)
1. the GRC sound absorption, insulation common sound shielding of a new material, this sound barrier is provided with single independently inner chamber, this inner chamber front portion is sound absorption material chamber (1), the rear portion is air cushion chamber (2), described sound barrier is the reinforced cementitious component of alkali-resistant glass fibre, the reinforced cementitious component of described alkali-resistant glass fibre comprises following parts by weight of component: cement 40-60, sand 40-55, alkali-resistant glass fibre 2-4, water are an amount of, and the material in the anterior sound absorption material of the inner chamber of described sound barrier chamber is an acoustical cotton.
2. according to the GRC sound absorption, insulation common sound shielding of the new material of claim 1, the reinforced cementitious component of described alkali-resistant glass fibre is following parts by weight of component: cement 50, sand 47, fiber 3, water are an amount of.
3. according to the GRC sound absorption, insulation common sound shielding of the new material of claim 1 or 2, this sound barrier backboard (3) is located the position embossment is set; The outer end of this sound barrier also is provided with shutter (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005101056819A CN100389239C (en) | 2005-09-30 | 2005-09-30 | A new material sound absorption, insulation common sound shielding and producing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005101056819A CN100389239C (en) | 2005-09-30 | 2005-09-30 | A new material sound absorption, insulation common sound shielding and producing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1773038A CN1773038A (en) | 2006-05-17 |
| CN100389239C true CN100389239C (en) | 2008-05-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005101056819A Active CN100389239C (en) | 2005-09-30 | 2005-09-30 | A new material sound absorption, insulation common sound shielding and producing method thereof |
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Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1889975A1 (en) * | 2006-08-16 | 2008-02-20 | Calenberg Ingenieure planmässig elastisch lagern GmbH | Sound-proofing device |
| JP5122859B2 (en) * | 2007-04-24 | 2013-01-16 | エムケー精工株式会社 | Noise barrier |
| CN101582093B (en) * | 2008-05-16 | 2012-10-03 | 上海船舶运输科学研究所 | Method for designing sound barrier with simple operation and complete function |
| CN101581078B (en) * | 2008-05-16 | 2011-08-17 | 上海船舶运输科学研究所 | Large sound barrier suitable to major trunk road in city |
| CN101818484B (en) * | 2010-05-21 | 2011-07-20 | 淄博北辰金属材料科技发展有限公司 | Special silicon-magnesium-polymer cement acoustic panel of road sound barrier and preparation method thereof |
| CN102408249B (en) * | 2011-08-29 | 2013-04-03 | 四川西南交大铁路发展有限公司 | Silicate-based porous sound-absorbing material used in rail traffic and preparation method thereof |
| CN104164842A (en) * | 2014-08-22 | 2014-11-26 | 江苏新光环保工程有限公司 | Light high-strength metal-ceramic composite acoustic board |
| CN105002838A (en) * | 2015-07-23 | 2015-10-28 | 江苏新光环保工程有限公司 | Sound barrier with polyimide foams as sound absorption material |
| CN108360404B (en) * | 2018-01-10 | 2020-09-11 | 祺达轨道交通科技有限责任公司 | Urban rail transit viaduct sound barrier |
| CN109098104A (en) * | 2018-08-27 | 2018-12-28 | 金陵科技学院 | A kind of more cavitys add the acoustic barrier of hole sound absorbing material combination |
| CN117087259B (en) * | 2023-08-21 | 2024-04-19 | 江苏科技大学 | Mail wheel shutter with heat preservation and noise reduction functions |
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Also Published As
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| CN1773038A (en) | 2006-05-17 |
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Address after: 100011 Beijing City, Xicheng District Street No. 1 No. 1909 26 Patentee after: Beijing Weilida Technology Development Co. Ltd. Address before: 100011 Beijing city Xicheng District Street No. 26 Hospital No. 5 Building 8 layer 910 Patentee before: Beijing Weilida Technology Development Co. Ltd. |