JPS541930A - Method of reducing air pressure noises at outlet opening of tunnel - Google Patents

Method of reducing air pressure noises at outlet opening of tunnel

Info

Publication number
JPS541930A
JPS541930A JP6582477A JP6582477A JPS541930A JP S541930 A JPS541930 A JP S541930A JP 6582477 A JP6582477 A JP 6582477A JP 6582477 A JP6582477 A JP 6582477A JP S541930 A JPS541930 A JP S541930A
Authority
JP
Japan
Prior art keywords
tunnel
air pressure
outlet opening
reducing air
noises
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.)
Granted
Application number
JP6582477A
Other languages
Japanese (ja)
Other versions
JPS5531274B2 (en
Inventor
Akinari Yamamoto
Satoshi Ozawa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Japan National Railways
Original Assignee
Japan National Railways
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Japan National Railways filed Critical Japan National Railways
Priority to JP6582477A priority Critical patent/JPS541930A/en
Publication of JPS541930A publication Critical patent/JPS541930A/en
Publication of JPS5531274B2 publication Critical patent/JPS5531274B2/ja
Granted legal-status Critical Current

Links

JP6582477A 1977-06-06 1977-06-06 Method of reducing air pressure noises at outlet opening of tunnel Granted JPS541930A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6582477A JPS541930A (en) 1977-06-06 1977-06-06 Method of reducing air pressure noises at outlet opening of tunnel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6582477A JPS541930A (en) 1977-06-06 1977-06-06 Method of reducing air pressure noises at outlet opening of tunnel

Publications (2)

Publication Number Publication Date
JPS541930A true JPS541930A (en) 1979-01-09
JPS5531274B2 JPS5531274B2 (en) 1980-08-16

Family

ID=13298151

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6582477A Granted JPS541930A (en) 1977-06-06 1977-06-06 Method of reducing air pressure noises at outlet opening of tunnel

Country Status (1)

Country Link
JP (1) JPS541930A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62185309U (en) * 1986-05-15 1987-11-25

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0535386Y2 (en) * 1990-06-26 1993-09-08
JP4555560B2 (en) * 2003-11-25 2010-10-06 東日本旅客鉄道株式会社 Tunnel buffer
JP6175351B2 (en) * 2013-10-30 2017-08-02 公益財団法人鉄道総合技術研究所 Prediction method of tunnel micro-pressure wave radiated from buffer work
JP7004639B2 (en) * 2018-12-19 2022-01-21 公益財団法人鉄道総合技術研究所 Micro-pressure wave reduction structure of tunnel shock absorber

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS521932A (en) * 1975-06-23 1977-01-08 Mitsubishi Heavy Ind Ltd Preventive device of impulse sound of tunnel
JPS5212731A (en) * 1975-07-18 1977-01-31 Tsuyoshi Sakurai Sound insulation tunnel

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS521932A (en) * 1975-06-23 1977-01-08 Mitsubishi Heavy Ind Ltd Preventive device of impulse sound of tunnel
JPS5212731A (en) * 1975-07-18 1977-01-31 Tsuyoshi Sakurai Sound insulation tunnel

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62185309U (en) * 1986-05-15 1987-11-25

Also Published As

Publication number Publication date
JPS5531274B2 (en) 1980-08-16

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