The 45th JCI Technical Conference

Non-destructive Test・Diagnosis (Damage/Defect)Ⅰ

Thu. Jul 6, 2023 1:30 PM - 3:30 PM Room 5 (412)

座長:大野健太郎 (土木),湯浅昇 (建築)

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[1230] Number of inspection days per year and application using infrared camera for railway viaduct

Keita OKAMOTO¹, Yuki KAWAI¹, Kazuhiro SAKAOKA¹, Hiroshi KUROKAWA¹ (1.西日本旅客鉄道)

[1231] Unsupervised deep learning of X-ray CT image for extracting crack in concrete

Katsufumi HASHIMOTO (北海道大学)

[1232] Research on Reducing the Influence of Reinforcing Bars Arrangement in Detection of Raptures in Prestressing Steel by Magnetic Flux Leakage Method

Mai TAKII¹, Koki TERASAWA¹, Toshiro KAMADA¹ (1.大阪大学)

[1233] Study on the Effect of Internal Cracks in Reinforced Concrete on the Reflected Waveform of Electromagnetic Waves from Reinforcing Steel Bars

Shunsuke SANO¹, Ryohei KIYOSHI², Hitoshi ITO³, Toshiaki MIZOBUCHI¹ (1.法政大学 2.計測技術サービス 3.八千代エンジニヤリング)

[1234] Study on Evaluation for Local Tensile Force of Prestressing Steel with Magnetic Flux Leakage Method

Koki TERASAWA¹, Kota FUKUMOTO², Toshiro KAMADA¹ (1.大阪大学 2.関西電力)

[1235] development of a Wide-Area Surface Quality Evaluation Method Based on Time Variation of Reflected Luminance of Water-absorbed Concrete Surface

Tsubasa MIYA¹, Osamu YOUDA¹, Kenji KAMIMURA¹, Yuuki MURAKAMI¹ (1.長岡工業高等専門学校)

The 45th JCI Technical Conference

Non-destructive Test・Diagnosis (Damage/Defect)Ⅱ

Fri. Jul 7, 2023 10:00 AM - 12:00 PM Room 5 (412)

座長:内田慎哉 (土木),野中英 (建築)

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[1236] Quantitative evaluation method for hammering test by machine learning

Hiroshi SHIMBO¹, Tomoko OZEKI², Toshiaki MIZOBUCHI¹, Jyunichiro NOJIMA³ (1.法政大学 2.東海大学 3.J-POWER設計コンサルタント)

[1237] Remote Hammering Test Method Using String Shooter

Kazuya MORI¹, Saeko TOKUOMI¹ (1.熊本大学)

[1238] Development of a remote hitting inspection device to investigate back cavity defects in aged sprayed concrete slopes.

Akira KOISHI¹, Osamu ITOU², Kazuya MORI¹ (1.熊本大学 2.テクノコンサルタント)

[1239] Inside Visualization Method of Reinforced Concrete by Reflected Wave Using Sub-Terahertz Camera

Chihiro KOBAYASHI¹, Shoumi HARA¹, Tomoya NISHIWAKI¹, Akio TANAKA² (1.東北大学 2.日本工業大学)

[1240] Investigation of non-destructive investigation method of PC grout filling state by FEM analysis

Takashi MATSUNAGA¹, Hiroaki FUJIYOSHI¹, Yoshihiro ISOBE¹, Tomonori YAMADA² (1.原子燃料工業 2.東京大学)

[1241] Study of Internal Defect Detection using Sub-Terahertz Waves for Long-range Measurement

Koji ARITA¹, Akio TANAKA¹, Tomoya NISHIWAKI² (1.日本工業大学 2.東北大学)

[1242] Fundamental Study of Evaluation Method For Bolt Tightening Torque By Digital Hammering Inspection and Machine Learning

Hiroaki FUJIYOSHI¹, Takashi MATSUNAGA¹, Yoshihiro ISOBE¹, Tomonori YAMADA² (1.原子燃料工業 2.東京大学)

[1243] Effects of natural drying and carbonation of concrete on the fire damage investigation methods with phenolphthalein solutions

Toru KINOSE¹, Natsuki YOSHIDA¹, Daiki ATARASHI², Keiichi IMAMOTO³ (1.日本建築総合試験所 2.島根大学 3.東京理科大学)

The 45th JCI Technical Conference

Non-destructive Test・Diagnosis (Damage/Defect)Ⅲ

Fri. Jul 7, 2023 1:00 PM - 3:00 PM Room 5 (412)

座長:佐藤大輔 (土木),西脇智哉 (建築)

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[1244] Non-Destructive Test for Detecting Defects in RC Slabs by Utilizing Spectrograms Obtained by Impact Acoustics Methods

Ryo MORIMOTO¹, Shinya UCHIDA¹, Takuro AONUMA¹, Hiroshi NAGATANI² (1.富山県立大学 2.日本道路)

[1245] Study of high-speed and high-accuracy defect detection by acoustic irradiation induced vibration from a UAV

Tsuneyoshi SUGIMOTO¹, Yutaka NAKAGAWA¹, Kazuko SUGIMOTO¹, Noriyuki UTAGAWA² (1.桐蔭横浜大学 2.佐藤工業)

[1246] EVALUATION OF CONCRETE CRACK MONITORING WITH MECHANOCROMIC SENSOR

Sujeong PYEON¹, Gyuyong KIM¹, Hamin EU¹, Jeongsoo NAM¹ (1.Chungnam National Univ.)

[1247] Water Leakage from Cracks in Concrete and Penetration Evaluation of Cracks by Ultrasonic Method

Emi OSANO¹, Kentaro OHNO¹, Atsushi UENO¹, Tomohisa KAMADA¹ (1.東京都立大学)

[1248] Proposal of AE source location method with varying elastic wave velocity and verification by numerical experiment

Yu NAKAMURA¹, Kentaro OHNO¹, Atsushi UENO¹, Tomohisa KAMADA¹ (1.東京都立大学)

[1249] Experimental Study on Crack Depth Estimation in Concrete by Impact-Generated Rayleigh-Waves

Ryuki MIZUSHIMA¹, Shinya UCHIDA¹, Taichi HYODO¹ (1.富山県立大学)

[1250] Experimental Study on Damage Inspection of RC Pier Columns by Impact Echo Method

Tsukasa TOKUE¹, Takahiro TERASAWA², Osamu HATAKEYAMA² (1.地震工学研究開発センター 2.土木研究所寒地土木研究所)

Events

A. Material & Construction » Non-destructive Test・Diagnosis (Damage/Defect)

Non-destructive Test・Diagnosis (Damage/Defect)Ⅰ

[1230] Number of inspection days per year and application using infrared camera for railway viaduct

[1231] Unsupervised deep learning of X-ray CT image for extracting crack in concrete

[1232] Research on Reducing the Influence of Reinforcing Bars Arrangement in Detection of Raptures in Prestressing Steel by Magnetic Flux Leakage Method

[1233] Study on the Effect of Internal Cracks in Reinforced Concrete on the Reflected Waveform of Electromagnetic Waves from Reinforcing Steel Bars

[1234] Study on Evaluation for Local Tensile Force of Prestressing Steel with Magnetic Flux Leakage Method

[1235] development of a Wide-Area Surface Quality Evaluation Method Based on Time Variation of Reflected Luminance of Water-absorbed Concrete Surface

Non-destructive Test・Diagnosis (Damage/Defect)Ⅱ

[1236] Quantitative evaluation method for hammering test by machine learning

[1237] Remote Hammering Test Method Using String Shooter

[1238] Development of a remote hitting inspection device to investigate back cavity defects in aged sprayed concrete slopes.

[1239] Inside Visualization Method of Reinforced Concrete by Reflected Wave Using Sub-Terahertz Camera

[1240] Investigation of non-destructive investigation method of PC grout filling state by FEM analysis

[1241] Study of Internal Defect Detection using Sub-Terahertz Waves for Long-range Measurement

[1242] Fundamental Study of Evaluation Method For Bolt Tightening Torque By Digital Hammering Inspection and Machine Learning

[1243] Effects of natural drying and carbonation of concrete on the fire damage investigation methods with phenolphthalein solutions

Non-destructive Test・Diagnosis (Damage/Defect)Ⅲ

[1244] Non-Destructive Test for Detecting Defects in RC Slabs by Utilizing Spectrograms Obtained by Impact Acoustics Methods

[1245] Study of high-speed and high-accuracy defect detection by acoustic irradiation induced vibration from a UAV

[1246] EVALUATION OF CONCRETE CRACK MONITORING WITH MECHANOCROMIC SENSOR

[1247] Water Leakage from Cracks in Concrete and Penetration Evaluation of Cracks by Ultrasonic Method

[1248] Proposal of AE source location method with varying elastic wave velocity and verification by numerical experiment

[1249] Experimental Study on Crack Depth Estimation in Concrete by Impact-Generated Rayleigh-Waves

[1250] Experimental Study on Damage Inspection of RC Pier Columns by Impact Echo Method