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WO2009037914A1 - 構造体の欠陥を検知するための方法及びシステム - Google Patents

構造体の欠陥を検知するための方法及びシステム Download PDF

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Publication number
WO2009037914A1
WO2009037914A1 PCT/JP2008/062488 JP2008062488W WO2009037914A1 WO 2009037914 A1 WO2009037914 A1 WO 2009037914A1 JP 2008062488 W JP2008062488 W JP 2008062488W WO 2009037914 A1 WO2009037914 A1 WO 2009037914A1
Authority
WO
WIPO (PCT)
Prior art keywords
defect
light emitting
light
detecting
periphery
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.)
Ceased
Application number
PCT/JP2008/062488
Other languages
English (en)
French (fr)
Inventor
Chao-Nan Xu
Yusuke Imai
Naohiro Ueno
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.)
National Institute of Advanced Industrial Science and Technology AIST
Original Assignee
National Institute of Advanced Industrial Science and Technology AIST
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
Priority claimed from JP2008072068A external-priority patent/JP5007978B2/ja
Application filed by National Institute of Advanced Industrial Science and Technology AIST filed Critical National Institute of Advanced Industrial Science and Technology AIST
Publication of WO2009037914A1 publication Critical patent/WO2009037914A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
    • G01M11/08—Testing mechanical properties
    • G01M11/081—Testing mechanical properties by using a contact-less detection method, i.e. with a camera

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)

Abstract

　本発明に係る欠陥検知システム（１０）は、検知対象である構造体（２）の表面に形成した発光膜（１）の発光を検出することによって、欠陥の有無を検知する。発光膜（１）は、発光粒子（１ａ）を含有している。欠陥が在る構造体（２）に歪みの変化が生じると、欠陥周辺に応力集中が起きて歪み、該表面の発光膜も歪む。その歪みエネルギーが発光粒子に伝播して発光するので、目視できない欠陥を、発光という形で構造体外部に示すことができる。これにより、構造体の欠陥の有無を、構造体を破壊することなく簡便且つ正確に検知することができる欠陥検知方法及びシステムを提供する。
PCT/JP2008/062488 2007-09-21 2008-07-10 構造体の欠陥を検知するための方法及びシステム Ceased WO2009037914A1 (ja)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP2007246161 2007-09-21
JP2007-246161 2007-09-21
JP2008-072068 2008-03-19
JP2008072068A JP5007978B2 (ja) 2007-09-21 2008-03-19 構造体の欠陥を検知するための方法及びシステム

Publications (1)

Publication Number Publication Date
WO2009037914A1 true WO2009037914A1 (ja) 2009-03-26

Family

ID=40467738

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/062488 Ceased WO2009037914A1 (ja) 2007-09-21 2008-07-10 構造体の欠陥を検知するための方法及びシステム

Country Status (1)

Country Link
WO (1) WO2009037914A1 (ja)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101936714A (zh) * 2010-08-16 2011-01-05 上海地铁盾构设备工程有限公司 地铁隧道整体形变检测系统
EP2927659A1 (en) * 2014-03-31 2015-10-07 Hitachi Ltd. Surface inspection apparatus for structures, and structure surface inspection method
US9373169B2 (en) 2010-01-12 2016-06-21 Koninklijke Philips N.V. Determination of a position characteristic for an object
CN105717154A (zh) * 2016-05-05 2016-06-29 东旭科技集团有限公司 用于测量板材收缩率的装置和方法
CN107835937A (zh) * 2015-07-09 2018-03-23 国立研究开发法人产业技术综合研究所 用于测定损伤进展度的方法和用于测定损伤进展度的系统
CN118855005A (zh) * 2024-07-12 2024-10-29 江苏筑港建设集团有限公司 一种用于筒仓施工灌注桩的超声波检测方法

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000186944A (ja) * 1998-12-21 2000-07-04 Takenaka Komuten Co Ltd 自己検知機能あるいは自己修復機能を有する構造物及び構造部材
JP2001021384A (ja) * 1999-07-07 2001-01-26 Nippon Telegr & Teleph Corp <Ntt> 光ファイバセンサによる剥離検出方法
JP2002340741A (ja) * 2001-05-15 2002-11-27 Mitsubishi Heavy Ind Ltd 光ファイバを用いた貯蔵タンクの損傷予知システム
JP2002365021A (ja) * 2001-06-07 2002-12-18 Yazaki Corp 歪検出システム及び歪検出装置
WO2007015532A1 (ja) * 2005-08-03 2007-02-08 National Institute Of Advanced Industrial Science And Technology 応力解析用の被測定物、該被測定物に塗膜層を形成するための塗布液及び応力発光構造体
JP2007163390A (ja) * 2005-12-16 2007-06-28 Jfe Steel Kk 構造物の欠陥検出方法および装置
JP2007192689A (ja) * 2006-01-20 2007-08-02 National Institute Of Advanced Industrial & Technology 応力・歪みの解析方法及び装置

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000186944A (ja) * 1998-12-21 2000-07-04 Takenaka Komuten Co Ltd 自己検知機能あるいは自己修復機能を有する構造物及び構造部材
JP2001021384A (ja) * 1999-07-07 2001-01-26 Nippon Telegr & Teleph Corp <Ntt> 光ファイバセンサによる剥離検出方法
JP2002340741A (ja) * 2001-05-15 2002-11-27 Mitsubishi Heavy Ind Ltd 光ファイバを用いた貯蔵タンクの損傷予知システム
JP2002365021A (ja) * 2001-06-07 2002-12-18 Yazaki Corp 歪検出システム及び歪検出装置
WO2007015532A1 (ja) * 2005-08-03 2007-02-08 National Institute Of Advanced Industrial Science And Technology 応力解析用の被測定物、該被測定物に塗膜層を形成するための塗布液及び応力発光構造体
JP2007163390A (ja) * 2005-12-16 2007-06-28 Jfe Steel Kk 構造物の欠陥検出方法および装置
JP2007192689A (ja) * 2006-01-20 2007-08-02 National Institute Of Advanced Industrial & Technology 応力・歪みの解析方法及び装置

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9373169B2 (en) 2010-01-12 2016-06-21 Koninklijke Philips N.V. Determination of a position characteristic for an object
CN101936714A (zh) * 2010-08-16 2011-01-05 上海地铁盾构设备工程有限公司 地铁隧道整体形变检测系统
EP2927659A1 (en) * 2014-03-31 2015-10-07 Hitachi Ltd. Surface inspection apparatus for structures, and structure surface inspection method
CN107835937A (zh) * 2015-07-09 2018-03-23 国立研究开发法人产业技术综合研究所 用于测定损伤进展度的方法和用于测定损伤进展度的系统
US20180172567A1 (en) * 2015-07-09 2018-06-21 National Institute Of Advanced Industrial Science And Technology A method for measuring damage progression and a system for measuring damage progression
CN105717154A (zh) * 2016-05-05 2016-06-29 东旭科技集团有限公司 用于测量板材收缩率的装置和方法
CN118855005A (zh) * 2024-07-12 2024-10-29 江苏筑港建设集团有限公司 一种用于筒仓施工灌注桩的超声波检测方法

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