JP7405161B2 - 構造物劣化検出システム、構造物劣化検出方法、及び構造物劣化検出装置 - Google Patents

構造物劣化検出システム、構造物劣化検出方法、及び構造物劣化検出装置 Download PDF

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Publication number
JP7405161B2
JP7405161B2 JP2021574377A JP2021574377A JP7405161B2 JP 7405161 B2 JP7405161 B2 JP 7405161B2 JP 2021574377 A JP2021574377 A JP 2021574377A JP 2021574377 A JP2021574377 A JP 2021574377A JP 7405161 B2 JP7405161 B2 JP 7405161B2
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points
point
vibration characteristics
change pattern
analyzed
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Japanese (ja)
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JPWO2021152787A5 (https=
JPWO2021152787A1 (https=
Inventor
佑嗣 小林
純明 榮
裕樹 多賀戸
和彦 磯山
淳 西岡
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NEC Corp
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NEC Corp
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H9/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means
    • G01H9/004—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means using fibre optic sensors
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
    • G01H9/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves by using radiation-sensitive means, e.g. optical means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M99/00—Subject matter not provided for in other groups of this subclass
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
    • E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
    • E01C23/01—Devices or auxiliary means for setting-out or checking the configuration of new surfacing, e.g. templates, screed or reference line supports; Applications of apparatus for measuring, indicating, or recording the surface configuration of existing surfacing, e.g. profilographs

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
  • Traffic Control Systems (AREA)
JP2021574377A 2020-01-30 2020-01-30 構造物劣化検出システム、構造物劣化検出方法、及び構造物劣化検出装置 Active JP7405161B2 (ja)

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PCT/JP2020/003519 WO2021152787A1 (ja) 2020-01-30 2020-01-30 構造物劣化検出システム、構造物劣化検出方法、及び構造物劣化検出装置

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JPWO2021152787A1 JPWO2021152787A1 (https=) 2021-08-05
JPWO2021152787A5 JPWO2021152787A5 (https=) 2022-09-06
JP7405161B2 true JP7405161B2 (ja) 2023-12-26

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US (1) US20230349750A1 (https=)
JP (1) JP7405161B2 (https=)
WO (1) WO2021152787A1 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023021598A1 (ja) * 2021-08-18 2023-02-23 日本電気株式会社 情報処理装置、情報処理方法、コンピュータ可読媒体、及び点検システム
JP7616402B2 (ja) * 2021-09-01 2025-01-17 日本電気株式会社 検出システム、検出装置、及び検出方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009229070A (ja) 2008-03-19 2009-10-08 Railway Technical Res Inst 構造物のモニタリングシステム
JP2019015551A (ja) 2017-07-05 2019-01-31 東日本旅客鉄道株式会社 橋脚の健全性評価方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57122352A (en) * 1981-01-23 1982-07-30 Fujitsu Ltd System for detecting destruction of road
JP2016061573A (ja) * 2014-09-16 2016-04-25 日本電気株式会社 構造物健全度推定装置、構造物健全度推定システム、構造物健全度推定方法、および、コンピュータ・プログラム
US10145983B2 (en) * 2014-09-30 2018-12-04 Alstom Transport Technologies Vibration monitoring system and method
US10095828B2 (en) * 2016-03-09 2018-10-09 Conocophillips Company Production logs from distributed acoustic sensors
CN106323442B (zh) * 2016-08-18 2018-11-13 南京发艾博光电科技有限公司 一种基于分布式光纤振动传感系统的铁路健康监测方法
GB2558294B (en) * 2016-12-23 2020-08-19 Aiq Dienstleistungen Ug Haftungsbeschraenkt Calibrating a distributed fibre optic sensing system
US12154007B2 (en) * 2018-01-26 2024-11-26 Nec Corporation Fiber sensing on roadside applications
JP7058164B2 (ja) * 2018-03-30 2022-04-21 株式会社Ｎｔｔドコモ 通行路判定システム

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009229070A (ja) 2008-03-19 2009-10-08 Railway Technical Res Inst 構造物のモニタリングシステム
JP2019015551A (ja) 2017-07-05 2019-01-31 東日本旅客鉄道株式会社 橋脚の健全性評価方法

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US20230349750A1 (en) 2023-11-02
JPWO2021152787A1 (https=) 2021-08-05
WO2021152787A1 (ja) 2021-08-05

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