JPS521931A - Preventive device of impulse sound of tunnel - Google Patents

Preventive device of impulse sound of tunnel

Info

Publication number
JPS521931A
JPS521931A JP7725975A JP7725975A JPS521931A JP S521931 A JPS521931 A JP S521931A JP 7725975 A JP7725975 A JP 7725975A JP 7725975 A JP7725975 A JP 7725975A JP S521931 A JPS521931 A JP S521931A
Authority
JP
Japan
Prior art keywords
tunnel
preventive device
impulse sound
impulse
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
Application number
JP7725975A
Other languages
Japanese (ja)
Inventor
Yoshihiko Irie
Shigeru Takagi
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.)
Mitsubishi Heavy Industries Ltd
Original Assignee
Mitsubishi Heavy Industries Ltd
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 Mitsubishi Heavy Industries Ltd filed Critical Mitsubishi Heavy Industries Ltd
Priority to JP7725975A priority Critical patent/JPS521931A/en
Publication of JPS521931A publication Critical patent/JPS521931A/en
Pending legal-status Critical Current

Links

Landscapes

  • Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
  • Building Environments (AREA)
JP7725975A 1975-06-23 1975-06-23 Preventive device of impulse sound of tunnel Pending JPS521931A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7725975A JPS521931A (en) 1975-06-23 1975-06-23 Preventive device of impulse sound of tunnel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7725975A JPS521931A (en) 1975-06-23 1975-06-23 Preventive device of impulse sound of tunnel

Publications (1)

Publication Number Publication Date
JPS521931A true JPS521931A (en) 1977-01-08

Family

ID=13628842

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7725975A Pending JPS521931A (en) 1975-06-23 1975-06-23 Preventive device of impulse sound of tunnel

Country Status (1)

Country Link
JP (1) JPS521931A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018080475A (en) * 2016-11-15 2018-05-24 東日本旅客鉄道株式会社 Micro-pressure wave reduction device

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51116033A (en) * 1975-04-05 1976-10-13 Tooru Ishima Preventive method of impulse sound of tunnel for rapid transit train

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51116033A (en) * 1975-04-05 1976-10-13 Tooru Ishima Preventive method of impulse sound of tunnel for rapid transit train

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2018080475A (en) * 2016-11-15 2018-05-24 東日本旅客鉄道株式会社 Micro-pressure wave reduction device

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