CN112681547B - Noise reduction layer structure and noise treatment method for treating bar noise environment by using same - Google Patents
Noise reduction layer structure and noise treatment method for treating bar noise environment by using same Download PDFInfo
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Abstract
The invention discloses a noise reduction layer structure and a noise treatment method for treating bar noise environment by using the same, belonging to the field of noise treatment, and the noise reduction layer structure comprises a damping and noise reduction component arranged on the ground, side wall sound insulation components arranged on four walls and a sound absorption ceiling component arranged on the top surface; the damping and noise-reducing assembly sequentially comprises a foaming type damping pad, a reinforced concrete layer, a cement mortar leveling layer and a plane pavement layer from bottom to top, wherein the foaming type damping pad has elasticity, the reinforced concrete layer, the cement mortar leveling layer and the plane pavement layer are fixed into a whole, and the reinforced concrete layer is fixedly connected to the side face of the foaming type damping pad. The foaming type shock pad can effectively absorb the vibration of the ground, reduce the noise and absorb part of the noise.
Description
Technical Field
The invention relates to the field of noise treatment, in particular to a noise reduction layer structure and a noise treatment method for treating a bar noise environment by using the same.
Background
With the rapid development of cities, the events disturbing residents by civilian culture and entertainment facilities are in an increasing trend; the method is used for analyzing reasons, taking prevention and treatment measures and verifying treatment effects of the event disturbing residents by the pub noise. The noise prevention and control measures of social entertainment service farms such as bars and KTVs are provided, and the noise prevention and control measures have a constructive significance for enriching cultural entertainment life of people, reducing complaints of residents and promoting social harmony. The business places such as bars and the like have late business hours, and the business property of the places determines that the places start business every evening till 1 point in the morning, thereby seriously influencing the rest of residents.
At present, the noise source of the bar is mainly the noise generated by singing and jumping of people, particularly, the ground of the bar is most easily subjected to noise transmission to influence peripheral residents, and the bar is not easy to clean because wine is easily scattered on the ground, and generally, the bar cannot be provided with a sound absorption carpet like KTV (Karaoke television), so that the noise transmitted and guided out from the ground is difficult to treat.
Disclosure of Invention
In order to overcome the defects of the prior art, the technical problem to be solved by the invention is to provide a noise reduction layer structure, which can absorb the vibration of the ground and simultaneously absorb and isolate partial noise, so that the noise is not easy to be transmitted out of the ground.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention provides a noise reduction layer structure which comprises a shock absorption and noise reduction assembly, side wall sound insulation assemblies and a sound absorption ceiling assembly, wherein the shock absorption and noise reduction assembly is arranged on the ground; the damping and noise reducing assembly sequentially comprises a foaming type damping pad, a reinforced concrete layer, a cement mortar leveling layer and a plane paving layer from bottom to top, wherein the foaming type damping pad has elasticity, the reinforced concrete layer, the cement mortar leveling layer and the plane paving layer are fixed into a whole, and the reinforced concrete layer is fixedly connected to the upper side face of the foaming type damping pad.
The invention preferably adopts the technical scheme that a plurality of sound-absorbing and shock-absorbing particles are irregularly arranged in the foaming type shock-absorbing pad, and the sound-absorbing and shock-absorbing particles and the foaming type shock-absorbing pad are integrally formed.
The invention preferably adopts the technical scheme that the sound-absorbing and shock-absorbing particles are ETPU particles.
In a preferred embodiment of the present invention, a part of the sound-absorbing and shock-absorbing particles is exposed from an upper side surface of the foam type cushion, and the exposed part of the sound-absorbing and shock-absorbing particles is embedded in the reinforced concrete layer.
The invention preferably adopts the technical scheme that the foaming type shock pad extends to a position between the side wall and the side wall sound insulation component, and the end part of the side wall sound insulation component is abutted against the plane pavement layer.
The side wall sound insulation assembly is preferably provided with a high volume weight sound absorption layer, a low volume weight sound absorption layer, a light steel bracket and a sound insulation flame-retardant composite plate body from inside to outside in sequence; and a wall body damper is arranged on one side of the light steel bracket and penetrates through the high volume weight sound absorption layer and the low volume weight sound absorption layer to be fixedly connected with the wall body.
The invention has the preferable technical scheme that the light steel bracket comprises a light steel clamping keel and a light steel cladding keel; one side of the light steel clamping type keel is fixedly connected with the wall body shock absorber, the other side of the light steel clamping type keel is clamped with the light steel cladding keel, and the light steel cladding keel is fixedly adhered with the sound-insulation flame-retardant composite plate body.
The sound-insulation flame-retardant composite board body preferably comprises a glass magnesium board, a gypsum board, a flame-retardant plywood and a polyester fiber sound-absorbing board from inside to outside in sequence.
The invention preferably has the technical scheme that the side wall sound insulation assembly has the same structure as the sound-absorbing ceiling assembly, and the wall body shock absorber is replaced by a hanging shock absorber.
A noise treatment method for treating bar noise environment by using a noise reduction layer structure comprises the following steps: step S00: the foaming type shock pad is prepared by mixing the sound-absorbing shock-absorbing particles and the material for the foaming type shock pad, and part of the sound-absorbing shock-absorbing particles are controlled to protrude out of the surface of the foaming type shock pad; step S10: paving a foaming type shock pad on the ground, bending and extending the periphery of the foaming type shock pad to the side wall, then pouring a reinforced concrete layer above the foaming type shock pad to enable the whole foaming type shock pad to be positioned in the foaming type shock pad, paving a cement mortar leveling layer on the surface layer of the reinforced concrete layer, and then paving a plane paving layer; step S20: the sound-absorbing ceiling assembly is installed at the top, and then the side wall sound-insulating assembly is installed, so that the side wall sound-insulating assembly clamps and fixes the raised foaming type shock pad.
The invention has the beneficial effects that:
the invention provides a noise reduction layer structure which comprises a shock absorption and noise reduction assembly, side wall sound insulation assemblies and a sound absorption ceiling assembly, wherein the shock absorption and noise reduction assembly is arranged on the ground; the damping and noise reducing assembly sequentially comprises a foaming type damping pad, a reinforced concrete layer, a cement mortar leveling layer and a plane paving layer from bottom to top, wherein the foaming type damping pad has elasticity, the reinforced concrete layer, the cement mortar leveling layer and the plane paving layer are fixed into a whole, and the reinforced concrete layer is fixedly connected to the upper side face of the foaming type damping pad. The foaming type shock pad can effectively absorb the vibration of the ground, reduce the noise and absorb part of the noise.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a noise reduction layer structure provided in an embodiment of the present invention;
FIG. 2 is an enlarged schematic view of portion A of FIG. 1 provided in accordance with an embodiment of the present invention;
FIG. 3 is an enlarged schematic view of portion B of FIG. 1 provided in accordance with an embodiment of the present invention;
FIG. 4 is an enlarged schematic view of portion C of FIG. 1 provided in accordance with an embodiment of the present invention;
FIG. 5 is a schematic view of the structure of sound-absorbing and shock-absorbing particles provided in the embodiment of the present invention;
in the figure:
2. a foamed cushion pad; 3. a reinforced concrete layer; 4. leveling layer of cement mortar; 5. a plane pavement layer; 6. a wall body damper; 7. a high volume weight sound absorbing layer; 8. a low volume weight sound absorbing layer; 114. a sound-insulating flame-retardant composite plate body; 9. a light steel clip keel; 10. a light steel clad keel; 11. a glass magnesium board; 12. a gypsum board; 13. flame-retardant plywood; 14. a polyester fiber sound absorbing panel; 15. a suspension damper; 21. sound-absorbing shock-absorbing particles; 101. a vibration and noise reduction component; 102. a sidewall acoustic assembly; 103. an acoustic ceiling assembly.
Detailed Description
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
As shown in fig. 1 to 5, the present embodiment provides a noise reduction layer structure, which includes a vibration/noise reduction member 101 disposed on the ground, side wall sound insulation members 102 disposed on four walls, and a sound-absorbing ceiling member 103 disposed on the ceiling; six inside faces of the bar are all provided with sound insulation materials, so that all-round sound insulation is achieved. Damping and noise reduction subassembly 101 includes foaming type shock pad 2, reinforced concrete layer 3, cement mortar screed-coat 4, plane layer 5 of mating formation from bottom to top in proper order, foaming type shock pad 2 has elasticity, reinforced concrete layer 3, cement mortar screed-coat 4, plane layer 5 of mating formation are fixed as an organic whole, reinforced concrete layer 3 concreties in foaming type shock pad 2 is to the side. The person singing at the bar inevitably causes vibration on the ground and noise. Through the setting of foaming type shock pad 2 for vibrations are conducted to foaming type shock pad 2 through whole reinforced concrete layer 3 that sets up, cement mortar screed-coat 4, plane pavement layer 5, and foaming type shock pad 2 can absorb vibrations, thereby the noise reduction that ground produced. Simultaneously reinforced concrete layer 3, cement mortar screed-coat 4, 5 integral type designs of layer of mating formation on plane for vibrations everywhere can reduce each other, thereby make the noise minimum.
For better shock absorption and sound insulation, a plurality of sound absorption and shock absorption particles 21 are irregularly arranged in the foam type shock absorption pad 2, and the sound absorption and shock absorption particles 21 are integrally formed with the foam type shock absorption pad 2. Better shock attenuation effect can be played through inhaling sound shock attenuation granule 21 in foaming type shock pad 2 inside setting up, through the setting of inhaling sound shock attenuation granule 21 for it can be better to inhale the sound effect that gives sound. Preferably, the sound-absorbing shock-absorbing particles 21 are ETPU particles, and the foamed shock-absorbing pad 2 is made of XPE material. Make the addition of ETPU granule can make XPE foaming type shock pad 2 have better elasticity, and the sound absorbing effect is better simultaneously.
Further, a part of the sound-absorbing and shock-absorbing particles 21 is exposed from the upper side surface of the foam type cushion 2, and the exposed part of the sound-absorbing and shock-absorbing particles 21 is embedded in the reinforced concrete layer 3. The convex design of ETPU granule for it is more firm to be connected between foaming type shock pad 2 and reinforced concrete layer 3. Simultaneously most important, behind the protruding arch of ETPU granule, can make reinforced concrete layer 3 can form the pit after solidifying, the ETPU granule of this part is more difficult to warp when being extrudeed to keep comparatively full state all the time, thereby can realize better sound absorption sound insulation effect.
Preferably, the foam cushion 2 extends between the side wall and the side wall sound-insulating member 102, and the end of the side wall sound-insulating member 102 abuts against the surface pavement 5. Foaming type shock pad 2 is all upwards buckled all around for reinforced concrete layer 3 is all wrapped up wherein, thereby makes reinforced concrete layer 3 can not get up with other position fixings, thereby can realize holistic lift. When the foam type shock pad 2 is extruded and deformed, a gap exists between the side wall sound insulation component 102 and the plane pavement layer 5, and the extended foam type shock pad 2 can play a certain sound insulation effect.
Preferably, the side wall sound insulation assembly 102 is sequentially provided with a high volume-weight sound absorption layer 7, a low volume-weight sound absorption layer 8, a light steel bracket and a sound insulation flame-retardant composite plate body 114 from inside to outside; and a wall body damper 6 is arranged on one side of the light steel bracket, and the wall body damper 6 penetrates through the high volume weight sound absorption layer 7 and the low volume weight sound absorption layer 8 to be fixedly connected with the wall body. The high volume-weight sound absorbing layer 7 and the low volume-weight sound absorbing layer 8 are made of superfine centrifugal glass wool of 48K +32K or superfine centrifugal glass wool of 64K + 48K. Can play a better sound absorption effect.
Preferably, the light steel bracket comprises a light steel clamping type keel 9 and a light steel cladding keel 10; one side of the light steel clamping type keel 9 is fixedly connected with the wall body shock absorber 6, the other side of the light steel clamping type keel 9 is clamped with the light steel cladding keel 10, and the light steel cladding keel 10 is fixedly adhered with the sound-insulation flame-retardant composite plate body 114. The light steel bracket can play a better reinforcing role.
Preferably, the sound-insulation flame-retardant composite board body 114 sequentially comprises a glass magnesium board 11, a gypsum board 12, a flame-retardant plywood 13 and a polyester fiber sound-absorbing board 14 from inside to outside. The thickness of glass magnesium board 11 is preferably 8mm, the thickness of gypsum board 12 is preferably 9-12mm, the thickness of flame-retardant plywood 13 is preferably 9mm, the thickness of polyester fiber acoustic board 14 is preferably 9-12mm, and the sound insulation and insulation effect is good through the design of sound insulation and flame-retardant composite board body 114.
Preferably, the sidewall acoustic assemblies 102 are identical in construction to the acoustical ceiling assembly 103, wherein the wall dampers 6 are replaced with ceiling dampers 15. Thereby achieving better sound insulation effect.
A noise treatment method for treating bar noise environment by using a noise reduction layer structure comprises the following steps: step S00: the foaming type damping pad 2 is prepared by mixing the sound-absorbing damping particles 21 and the foaming type damping pad 2, and part of the sound-absorbing damping particles 21 are controlled to protrude out of the surface of the foaming type damping pad 2; the XPE material and the sound-absorbing and shock-absorbing particles 21 are mixed and foamed by adopting a common foaming and forming process. Step S10: paving a foaming type shock pad 2 on the ground, bending and extending the periphery of the foaming type shock pad 2 to the side wall, then pouring a reinforced concrete layer 3 above the foaming type shock pad 2 to enable the whole foamed shock pad 2 to be positioned in the foaming type shock pad, paving a cement mortar leveling layer 4 on the surface layer of the reinforced concrete layer 3, and then paving a plane paving layer 5; step S20: the acoustical ceiling assembly 103 is installed on top and then the sidewall acoustic assemblies 102 are installed such that the sidewall acoustic assemblies 102 clamp the raised intumescent mat 2 in place.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the invention. The present invention is not to be limited by the specific embodiments disclosed herein, and other embodiments that fall within the scope of the claims of the present application are intended to be within the scope of the present invention.
Claims (8)
1. A noise reduction layer structure characterized by:
the sound absorption and noise reduction device comprises a shock absorption and noise reduction component (101) arranged on the ground, side wall sound insulation components (102) arranged on four walls and a sound absorption ceiling component (103) arranged on the top surface;
the damping and noise reducing assembly (101) sequentially comprises a foaming type damping pad (2), a reinforced concrete layer (3), a cement mortar leveling layer (4) and a plane pavement layer (5) from bottom to top, the foaming type damping pad (2) has elasticity, the reinforced concrete layer (3), the cement mortar leveling layer (4) and the plane pavement layer (5) are fixed into a whole, and the reinforced concrete layer (3) is fixedly connected to the upper side surface of the foaming type damping pad (2);
a plurality of sound-absorbing and shock-absorbing particles (21) are irregularly arranged in the foaming type shock-absorbing pad (2), and the sound-absorbing and shock-absorbing particles (21) and the foaming type shock-absorbing pad (2) are integrally formed;
part of the sound absorption and shock absorption particles (21) are exposed out of the upper side surface of the foaming type shock absorption pad (2), and the exposed part of the sound absorption and shock absorption particles (21) is embedded in the reinforced concrete layer (3).
2. The noise reduction layer structure according to claim 1, wherein:
the sound-absorbing and shock-absorbing particles (21) are ETPU particles.
3. The noise reduction layer structure according to claim 1, wherein:
the foamed shock pad (2) extends to the side wall and between the side wall sound insulation components (102), and the end parts of the side wall sound insulation components (102) are abutted to the plane pavement layer (5).
4. A noise reducing layer structure according to claim 3, characterized in that:
the side wall sound insulation component (102) is sequentially provided with a high-volume-weight sound absorption layer (7), a low-volume-weight sound absorption layer (8), a light steel bracket and a sound insulation flame-retardant composite plate body (114) from inside to outside; and a wall body damper (6) is arranged on one side of the light steel bracket, and the wall body damper (6) penetrates through the high volume-weight sound absorbing layer (7) and the low volume-weight sound absorbing layer (8) to be fixedly connected with the wall body.
5. The noise reduction layer structure according to claim 4, wherein:
the light steel bracket comprises a light steel clamping keel (9) and a light steel cladding keel (10); one side of the light steel clamping type keel (9) is fixedly connected with the wall body shock absorber (6), the other side of the light steel clamping type keel (9) is clamped with the light steel cladding keel (10), and the light steel cladding keel (10) is adhered and fixed with the sound-insulation flame-retardant composite plate body (114).
6. A noise reducing layer structure according to claim 4, characterized in that:
the sound-insulation flame-retardant composite board body (114) sequentially comprises a glass magnesium board (11), a gypsum board (12), a flame-retardant plywood (13) and a polyester fiber sound-absorbing board (14) from inside to outside.
7. The noise reduction layer structure according to claim 4, wherein:
the sidewall acoustic assembly (102) is structurally identical to the acoustic ceiling assembly (103), wherein the wall damper (6) is replaced with a ceiling damper (15).
8. A noise abatement method for abating bar noise environment using the noise abatement layer structure of claim 1, wherein:
the method comprises the following steps: step S00: the foaming type shock pad (2) is prepared by mixing the sound-absorbing shock-absorbing particles (21) and the foaming type shock pad (2), and part of the sound-absorbing shock-absorbing particles (21) are controlled to protrude out of the surface of the foaming type shock pad (2);
step S10: paving a foaming type shock pad (2) on the ground, bending and extending the periphery of the foaming type shock pad (2) to the side wall, then pouring a reinforced concrete layer (3) above the foaming type shock pad (2) to enable the reinforced concrete layer to be completely positioned in the foaming type shock pad (2), paving a cement mortar leveling layer (4) on the surface layer of the reinforced concrete layer (3), and then paving a plane paving layer (5);
step S20: installing the acoustical ceiling assembly (103) on top and then installing the sidewall acoustic insulation assembly (102) such that the sidewall acoustic insulation assembly (102) clamps the raised intumescent mat (2) in place.
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Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101851978A (en) * | 2009-03-31 | 2010-10-06 | 姜敏 | Side clamp type keel piece and light steel keel suspended ceiling system formed by the same |
| CN203475674U (en) * | 2013-08-23 | 2014-03-12 | 北新集团建材股份有限公司 | Composite hoisting structure for flat pasting of mineral-wool acoustic board |
| CN204081110U (en) * | 2014-09-09 | 2015-01-07 | 深圳市建筑装饰(集团)有限公司 | A kind of shock-absorption sound-insulation room |
| CN205804658U (en) * | 2016-07-04 | 2016-12-14 | 江苏汇洋木业股份有限公司 | A kind of soundproof flame-retardant plate |
| CN206376490U (en) * | 2016-12-27 | 2017-08-04 | 南京三博建筑科技有限公司 | A kind of floating floor |
| KR20190007939A (en) * | 2017-07-14 | 2019-01-23 | 성기인 | Sound absorption panel and fixing device for interior and exterior materials |
| CN209066705U (en) * | 2018-11-08 | 2019-07-05 | 北新集团建材股份有限公司 | A kind of clamping joist veneer wall system |
| CN209653203U (en) * | 2018-11-08 | 2019-11-19 | 北新集团建材股份有限公司 | A kind of drop level ceiling system |
| CN209760698U (en) * | 2019-01-04 | 2019-12-10 | 深圳市坐标建筑装饰工程股份有限公司 | Building ground sound insulation and shock absorption structure |
| CN210395938U (en) * | 2019-03-27 | 2020-04-24 | 深圳市建筑装饰(集团)有限公司 | Shock-resistant glass surface composite veneer mounting structure |
| CN210712429U (en) * | 2019-03-01 | 2020-06-09 | 天津鼎兴橡塑有限公司 | Section bar containing E-TPU foaming particles, and TPU floor tiles and runways using section bar |
| CN111305601A (en) * | 2020-03-13 | 2020-06-19 | 广州绘声建筑材料有限公司 | Sound insulation device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8925677B2 (en) * | 2012-06-27 | 2015-01-06 | Usg Interiors, Llc | Gypsum-panel acoustical monolithic ceiling |
-
2020
- 2020-12-17 CN CN202011494273.8A patent/CN112681547B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101851978A (en) * | 2009-03-31 | 2010-10-06 | 姜敏 | Side clamp type keel piece and light steel keel suspended ceiling system formed by the same |
| CN203475674U (en) * | 2013-08-23 | 2014-03-12 | 北新集团建材股份有限公司 | Composite hoisting structure for flat pasting of mineral-wool acoustic board |
| CN204081110U (en) * | 2014-09-09 | 2015-01-07 | 深圳市建筑装饰(集团)有限公司 | A kind of shock-absorption sound-insulation room |
| CN205804658U (en) * | 2016-07-04 | 2016-12-14 | 江苏汇洋木业股份有限公司 | A kind of soundproof flame-retardant plate |
| CN206376490U (en) * | 2016-12-27 | 2017-08-04 | 南京三博建筑科技有限公司 | A kind of floating floor |
| KR20190007939A (en) * | 2017-07-14 | 2019-01-23 | 성기인 | Sound absorption panel and fixing device for interior and exterior materials |
| CN209066705U (en) * | 2018-11-08 | 2019-07-05 | 北新集团建材股份有限公司 | A kind of clamping joist veneer wall system |
| CN209653203U (en) * | 2018-11-08 | 2019-11-19 | 北新集团建材股份有限公司 | A kind of drop level ceiling system |
| CN209760698U (en) * | 2019-01-04 | 2019-12-10 | 深圳市坐标建筑装饰工程股份有限公司 | Building ground sound insulation and shock absorption structure |
| CN210712429U (en) * | 2019-03-01 | 2020-06-09 | 天津鼎兴橡塑有限公司 | Section bar containing E-TPU foaming particles, and TPU floor tiles and runways using section bar |
| CN210395938U (en) * | 2019-03-27 | 2020-04-24 | 深圳市建筑装饰(集团)有限公司 | Shock-resistant glass surface composite veneer mounting structure |
| CN111305601A (en) * | 2020-03-13 | 2020-06-19 | 广州绘声建筑材料有限公司 | Sound insulation device |
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