JPH0453809U - - Google Patents
Info
- Publication number
- JPH0453809U JPH0453809U JP9355290U JP9355290U JPH0453809U JP H0453809 U JPH0453809 U JP H0453809U JP 9355290 U JP9355290 U JP 9355290U JP 9355290 U JP9355290 U JP 9355290U JP H0453809 U JPH0453809 U JP H0453809U
- Authority
- JP
- Japan
- Prior art keywords
- helipad
- bulkhead
- rooftop
- height
- sound
- 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.)
- Pending
Links
- 239000011358 absorbing material Substances 0.000 claims description 2
- 230000002265 prevention Effects 0.000 claims description 2
- 239000000463 material Substances 0.000 claims 1
Landscapes
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
- Building Environments (AREA)
Description
第１図は本考案の一実施例の断面図、第２図は
従来の屋上ヘリポートの断面図である。
１……建物、２……騒音防止用隔壁、３……音
響吸収材、４……ヘリコプター、５……壁、Ａ…
…反射音、Ｂ……直接音、Ｃ……透過音、Ｇ……
地面。
FIG. 1 is a sectional view of an embodiment of the present invention, and FIG. 2 is a sectional view of a conventional rooftop helipad. 1...Building, 2...Noise prevention bulkhead, 3...Acoustic absorbing material, 4...Helicopter, 5...Wall, A...
...Reflected sound, B...Direct sound, C...Transmitted sound, G...
Ground.
Claims (1)
して屋上ヘリポートの周囲を囲みその内側壁面が
ヘリポート空間を上方へ広げる方向に傾斜し音を
透過しない材料で作られた隔壁と、同隔壁の内側
表面に設けられた音響吸収材とからなることを特
徴とする屋上ヘリポートの騒音防止装置。 A bulkhead having a height higher than the height of a helicopter rotor, surrounding a rooftop helipad, the inner wall surface of which is sloped in a direction that expands the helipad space upward, and made of a material that does not transmit sound, and the inner surface of the bulkhead A noise prevention device for a rooftop helipad, characterized by comprising a sound absorbing material provided in the roof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9355290U JPH0453809U (en) | 1990-09-07 | 1990-09-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9355290U JPH0453809U (en) | 1990-09-07 | 1990-09-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0453809U true JPH0453809U (en) | 1992-05-08 |
Family
ID=31830860
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9355290U Pending JPH0453809U (en) | 1990-09-07 | 1990-09-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0453809U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112144431A (en) * | 2020-09-26 | 2020-12-29 | 威海广泰空港设备股份有限公司 | Airport runway sound insulation system |
-
1990
- 1990-09-07 JP JP9355290U patent/JPH0453809U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112144431A (en) * | 2020-09-26 | 2020-12-29 | 威海广泰空港设备股份有限公司 | Airport runway sound insulation system |
| CN112144431B (en) * | 2020-09-26 | 2021-09-07 | 威海广泰空港设备股份有限公司 | Airport runway sound insulation system |