JP6796391B2 - コンクリート測定装置及びコンクリート測定方法 - Google Patents
コンクリート測定装置及びコンクリート測定方法 Download PDFInfo
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- JP6796391B2 JP6796391B2 JP2016071835A JP2016071835A JP6796391B2 JP 6796391 B2 JP6796391 B2 JP 6796391B2 JP 2016071835 A JP2016071835 A JP 2016071835A JP 2016071835 A JP2016071835 A JP 2016071835A JP 6796391 B2 JP6796391 B2 JP 6796391B2
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/27—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands using photo-electric detection ; circuits for computing concentration
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/02—Details
- G01J3/0278—Control or determination of height or angle information for sensors or receivers
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
- G01J3/28—Investigating the spectrum
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/27—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands using photo-electric detection ; circuits for computing concentration
- G01N21/274—Calibration, base line adjustment, drift correction
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
- G01N21/359—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light using near infrared light
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/38—Concrete; Lime; Mortar; Gypsum; Bricks; Ceramics; Glass
- G01N33/383—Concrete or cement
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
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Description
3 分光計
4 距離計
6 投光光学系
7 測定対象物
8 受光光学系
9 光源
16 受光部
24 制御演算部
25 記憶部
28 基準分光曲線
29 測定分光曲線
31 分光反射率曲線
Claims (4)
- 照射光を照射する投光光学系と、測定対象物で反射された反射照射光を分光して受光する受光光学系と、前記測定対象物迄の距離を測定する距離計と、異なる距離で白色基準板を測定した際の波長毎の受光強度を基に作成された複数の基準分光曲線を格納する記憶部と、制御演算部とを具備し、該制御演算部は、分光された前記反射照射光の波長毎の受光強度を基に測定分光曲線を作成し、該測定分光曲線と、測定距離に対応した前記基準分光曲線との受光強度の差分から演算された受光蓄積時間を補正情報として前記測定分光曲線を補正し、分光反射率曲線を作成し、該分光反射率曲線の波形形状に基づき、前記測定対象物の塩害と中性化に関係する情報を測定するコンクリート測定装置。
- 照射光を照射する投光光学系と、測定対象物で反射された反射照射光を分光して受光する受光光学系と、前記測定対象物迄の距離を測定する距離計と、異なる距離で白色基準板を測定した際の波長毎の受光強度を基に作成された複数の基準分光曲線と、塩分濃度とpHが既知である試験片から作成された分光反射率曲線である複数の劣化分光反射率曲線とを格納する記憶部と、制御演算部とを具備し、該制御演算部は、分光された前記反射照射光の波長毎の受光強度を基に測定分光曲線を作成し、該測定分光曲線を測定距離に対応した前記基準分光曲線に基づき補正して前記分光反射率曲線を作成し、前記複数の劣化分光反射率曲線の中から前記分光反射率曲線と波形形状が合致又は近似する劣化分光反射率曲線を選択し、選択された該劣化分光反射率曲線を基に前記測定対象物の塩害と中性化に関係する情報を測定するコンクリート測定装置。
- 前記制御演算部は、前記分光反射率曲線に基づきPLS回帰分析法により前記測定対象物の塩害と中性化に関係する情報を測定する請求項1に記載のコンクリート測定装置。
- 照射光を測定対象物に向けて照射し、該測定対象物からの反射照射光を分光して受光した受光結果により前記測定対象物の塩害及び中性化に関する情報を測定するコンクリート測定方法であって、光源からの距離が異なる複数の位置で白色基準板をそれぞれ測定した際の波長毎の受光強度を基に複数の基準分光曲線を作成し、塩分濃度とpHが既知である複数の試験片を測定して取得した分光反射率曲線である複数の劣化分光反射率曲線を作成し、前記受光結果の波長毎の受光強度を基に測定分光曲線を作成し、前記光源から前記測定対象物迄の距離を測定し、測定された距離に基づいて前記基準分光曲線を選択し、選択された該基準分光曲線と前記測定分光曲線から求めた補正情報に基づき前記測定分光曲線を補正して前記分光反射率曲線を作成し、前記複数の劣化分光反射率曲線の中から前記分光反射率曲線に対応する劣化分光反射率曲線を選択し、選択された該劣化分光反射率曲線を基に前記測定対象物の塩害及び中性化に関する情報を測定するコンクリート測定方法。
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JP2016071835A JP6796391B2 (ja) | 2016-03-31 | 2016-03-31 | コンクリート測定装置及びコンクリート測定方法 |
US16/088,131 US11009453B2 (en) | 2016-03-31 | 2017-03-24 | Spectral curve acquiring device, concrete measuring instrument, spectral curve acquiring method and concrete measuring method |
PCT/JP2017/013497 WO2017170975A1 (ja) | 2016-03-31 | 2017-03-24 | 分光曲線取得装置及びコンクリート測定装置及び分光曲線取得方法及びコンクリート測定方法 |
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JP6770541B2 (ja) * | 2018-02-20 | 2020-10-14 | 日本電信電話株式会社 | 診断用辞書登録装置、診断装置、方法、プログラム、及びデータ構造 |
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JPH07117499B2 (ja) * | 1987-10-31 | 1995-12-18 | 石川島播磨重工業株式会社 | レーザ光線による塗膜劣化診断方法 |
JPH08285767A (ja) * | 1995-04-14 | 1996-11-01 | Chino Corp | 水分計 |
JP3628425B2 (ja) * | 1996-03-18 | 2005-03-09 | 株式会社タカキタ | 分光立体角反射率を利用した牧草地内の広葉雑草の識別方法 |
JP2004354097A (ja) * | 2003-05-27 | 2004-12-16 | Starlabo Corp | スペクトル画像化装置 |
US20070086309A1 (en) * | 2005-10-16 | 2007-04-19 | New Span Opto-Technology Inc. | Method and Device for High Density Optical Disk Data Storage |
CN101371128A (zh) * | 2006-01-20 | 2009-02-18 | 住友电气工业株式会社 | 分析装置、真伪判定装置、真伪判定方法及地下探测方法 |
JP5031281B2 (ja) * | 2006-07-05 | 2012-09-19 | 株式会社Ihiインフラシステム | コンクリートの診断方法 |
JP4800909B2 (ja) * | 2006-11-27 | 2011-10-26 | 株式会社Ihiインフラシステム | コンクリートの診断方法 |
JPWO2010046968A1 (ja) * | 2008-10-21 | 2012-03-15 | 西日本高速道路エンジニアリング四国株式会社 | コンクリート構造物の診断装置および診断方法 |
US10104344B2 (en) * | 2014-05-13 | 2018-10-16 | Gs Engineering Services, Inc. | Remote scanning and detection apparatus and method |
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WO2017170975A1 (ja) | 2017-10-05 |
JP2017181407A (ja) | 2017-10-05 |
US11009453B2 (en) | 2021-05-18 |
US20200300753A1 (en) | 2020-09-24 |
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