CH676727A5 - - Google Patents
Download PDFInfo
- Publication number
- CH676727A5 CH676727A5 CH2701/89A CH270189A CH676727A5 CH 676727 A5 CH676727 A5 CH 676727A5 CH 2701/89 A CH2701/89 A CH 2701/89A CH 270189 A CH270189 A CH 270189A CH 676727 A5 CH676727 A5 CH 676727A5
- Authority
- CH
- Switzerland
- Prior art keywords
- structure according
- box
- perforated
- sound absorption
- filled
- Prior art date
Links
- 239000000463 material Substances 0.000 claims description 34
- 238000010521 absorption reaction Methods 0.000 claims description 15
- 239000003795 chemical substances by application Substances 0.000 claims description 6
- 239000004568 cement Substances 0.000 claims description 3
- 239000004575 stone Substances 0.000 claims description 3
- 239000011449 brick Substances 0.000 claims description 2
- 239000004744 fabric Substances 0.000 claims description 2
- 239000002440 industrial waste Substances 0.000 claims 1
- 230000004888 barrier function Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 239000002023 wood Substances 0.000 description 3
- 239000002250 absorbent Substances 0.000 description 2
- 230000002745 absorbent Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000011491 glass wool Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 241000264877 Hippospongia communis Species 0.000 description 1
- 238000000862 absorption spectrum Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000004567 concrete Substances 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000005923 long-lasting effect Effects 0.000 description 1
- 239000002557 mineral fiber Substances 0.000 description 1
- 239000011490 mineral wool Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 229910052902 vermiculite Inorganic materials 0.000 description 1
- 239000010455 vermiculite Substances 0.000 description 1
- 235000019354 vermiculite Nutrition 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
- E04B1/82—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to sound only
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F8/00—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic
- E01F8/0005—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic used in a wall type arrangement
- E01F8/0047—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic used in a wall type arrangement with open cavities, e.g. for covering sunken roads
- E01F8/0064—Perforated plate or mesh, e.g. as wall facing
- E01F8/007—Perforated plate or mesh, e.g. as wall facing with damping material
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Acoustics & Sound (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Electromagnetism (AREA)
- Building Environments (AREA)
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| IT8821595A IT1226561B (it) | 1988-07-29 | 1988-07-29 | Struttura per assorbimento acustico |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH676727A5 true CH676727A5 (fr) | 1991-02-28 |
Family
ID=11184108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH2701/89A CH676727A5 (fr) | 1988-07-29 | 1989-07-19 |
Country Status (5)
| Country | Link |
|---|---|
| AT (1) | ATA182789A (fr) |
| CH (1) | CH676727A5 (fr) |
| DE (1) | DE3924245A1 (fr) |
| FR (1) | FR2634937A1 (fr) |
| IT (1) | IT1226561B (fr) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19540357C1 (de) * | 1995-10-30 | 1997-05-28 | Aeg Schorch Transformatoren Gm | Eisenbahnbrücke und Kulisse zur Schalldämpfung an dieser |
| US8051950B2 (en) * | 2006-08-03 | 2011-11-08 | Glacier Bay, Inc. | System for reducing acoustic energy |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3840947A (en) * | 1972-04-11 | 1974-10-15 | Keystone Consolidated Ind Inc | Gabion connector |
| GB1481218A (en) * | 1973-08-04 | 1977-07-27 | Pass & Co | Soundabsorbing element |
| US4143495A (en) * | 1976-10-22 | 1979-03-13 | Fa. Pass & Co. | Sound-absorbing panel |
| US4643271A (en) * | 1984-12-18 | 1987-02-17 | Thomas J. Kelley | Sound barrier |
-
1988
- 1988-07-29 IT IT8821595A patent/IT1226561B/it active
-
1989
- 1989-07-19 CH CH2701/89A patent/CH676727A5/it not_active IP Right Cessation
- 1989-07-21 DE DE3924245A patent/DE3924245A1/de not_active Withdrawn
- 1989-07-28 AT AT891827A patent/ATA182789A/de not_active IP Right Cessation
- 1989-07-28 FR FR8910454A patent/FR2634937A1/fr not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| IT8821595A0 (it) | 1988-07-29 |
| FR2634937A1 (fr) | 1990-02-02 |
| IT1226561B (it) | 1991-01-24 |
| ATA182789A (de) | 1992-07-15 |
| DE3924245A1 (de) | 1990-02-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |