The 43rd JCI Technical Conference

Nondestructive test & Assessment

Wed. Jul 7, 2021 1:15 PM - 3:00 PM Room 4 (Virtual Room)

座長:渡辺健(土木), 坂本英輔(建築)

[1182] Basic Study on Effect of Corrosion of Reinforcement inside RC Deck Slabs on Evaluation of Horizontal Cracks by Electromagnetic Pulse Method

Shin SUZUKI¹, Masafumi NAKAO¹, Kouki TERASAWA¹, Toshirou KAMADA¹ (1.大阪大学)

[1183] Study on Estimation of Rebar Corrosion Extent in Concrete by Half-cell Potential Measurement

Takeshi KIDOKORO¹, Daisuke SATO¹, Masayuki SEKIGAWA², Tateru KAWARABAYASHI² (1.コンステック 2.マルイ)

[1184] Influence of Coarse aggregate and Saturation on the Relationship between Compressive Stress and Ultrasonic Velocity Variation in Concrete

Akihiro NAGATA¹, Kentaro OHNO¹, Kazukiyo TAMAKI², Atsushi UENO¹ (1.東京都立大学 2.三井住友建設)

[1185] Consideration on the Contact time in Deteriorated concrete surface layer by Hydrochloric acid aqueous solution

Shigeto KATAOKA¹, satoshi IWANO¹, Shinya UCHIDA², Takumi YASUMURA² (1.リック 2.富山県立大学)

[1186] study on time to leak of water through concrete crack

Naoko TSUCHIYA¹, Kaori NEMOTO², Naoki MISHIMA² (1.　国土技術政策総合研究所 2.国土技術政策総合研究所)

[1187] Air-Permeability Evaluation Method using hole tested by Small Diameter Drilling Test and Experimental Study on Relationship between Simplified Air-Permeability Speed and Drilling Speed

Ayumu YASUE¹, Nagisa KATO¹, Toshitsugu INUKAI¹, Shigeru FUJIMORI² (1.岐阜工業高等専門学校 2.大同大学)

[1188] Theory and experiment on resonance discrimination by spatial spectral entropy for non-contact acoustic inspection method

Tsuneyoshi SUGIMOTO¹, Kazuko SUGIMOTO¹, Hiroshi MORIOKA², Noriyuki UTAGAWA³ (1.桐蔭横浜大学 2.東京電力ホールディングス 3.佐藤工業)

The 43rd JCI Technical Conference

Nondestructive test & Assessment

Wed. Jul 7, 2021 3:30 PM - 5:15 PM Room 4 (Virtual Room)

座長:佐藤大輔(土木), 兼松学(建築)

[1189] Fundamental study on air-permeability of boundary surface between concrete and polymer cement mortar by simple test using cylinder

Yuji YAMADA¹, Hirotaka HAZEHARA¹, Masayuki TSUKAGOSHI¹, Takeshi WATANABE² (1.福岡大学 2.徳島大学)

[1190] Design and verification of the training of hammering inspection aimed improvement and leveling of defect detection accuracy based on hitting characteristics

Junya HAYASHI¹, Yuki MURAKAMI¹, Takahiko KURAHAHI², Osamu YOUDA¹ (1.長岡工業高等専門学校 2.長岡技術科学大学)

[1191] Examination on chloride ion mapping method applying the principle of silver nitrate solution spray method

Natsuki OHASHI¹, Yusuke AOKI¹ (1.木更津工業高等専門学校)

[1192] Measurement of spatial distribution of rebar vibration displacement in deteriorated RC material by vibro-pulse radar

Takashi MIWA¹, Kazuhiro NAKAMURA¹, Takashi SHIMIZU¹, Mitsuo OZAWA¹ (1.群馬大学)

[1193] Influence of Corroded Condition on Evaluation for Corrosion of Reinforcing Bars in Concrete by Magnetic Flux Leakage Testing

Shogo SHINOMIYA¹, Naoki KASHIYAMA¹, Hiroki TERASAWA¹, TOSHIRO KAMADA¹ (1.大阪大学)

The 43rd JCI Technical Conference

Nondestructive test & Assessment

Thu. Jul 8, 2021 9:00 AM - 10:30 AM Room 4 (Virtual Room)

座長:橋本勝文(土木), 山﨑順二(建築)

[1194] Measurement of vibration displacement of steel bar excited by electromagnetic pulse using vibro-radar

Takashi SHIMIZU¹, Takashi MIWA¹, Shinichi HATTORI², Toshiro KAMADA² (1.群馬大学 2.大阪大学)

[1195] EXPERIMENTAL STUDY ON WATER PENETRATION OF CEMENT PASTE EXPOSED TO HIGH TEMPERATURE

Toru KINOSE¹, Natsuki YOSHIDA¹, Yuma OKUMURA¹, Daiki ATARASHI² (1.日本建築総合試験所 2.島根大学)

[1196] Study on evaluation of sinking crack penetration and surface quality evaluation in sluiceway structure.

Takumi OGATA¹, Mitsuhiro TAKEDA¹ (1.東北学院大学)

[1197] Estimation of deterioration status of concrete surface layer using infrared images

Misaki NAKAMURA¹, Jyunichiro NOJIMA², Hitoshi ITO³, Toshiaki MIZOBUCHI⁴ (1.法政大学 2.J-POWER設計コンサルタント 3.八千代エンジニヤリング 4.法政大学 )

[1198] Development of internal structure diagnosis of concrete structures with digital hammering inspection

Takashi MATSUNAGA¹, Yoshihiro ISOBE¹, Shinobu YOSHIMURA², Tomonori YAMADA² (1.原子燃料工業 2.東京大学)

[1199] Method for obtaining electrochemical impedance spectra without connecting to steel bar in concrete

Nagate HASHIMOTO¹, Motoki TANAKA¹, Yasuaki KANEKO², Yoshitaka KATO¹ (1.東京理科大学 2.飛島建設)

The 43rd JCI Technical Conference

Nondestructive test & Assessment

Thu. Jul 8, 2021 11:00 AM - 12:30 PM Room 4 (Virtual Room)

座長:鎌田敏郎(土木), 湯浅昇(建築)

[1200] Basic Study on Non-Destructive testing for Evaluation of Deterioration at Concrete Surface Layer Due to Steel Corroison by Impact Elastic methods

Sota FUJII¹, Shinya UCHIDA¹, Satoshi IWANO², Shigeto KATAOKA² (1.富山県立大学 2.リック)

[1201] Study on evaluation of reinforcing bar corrosion of RC members after repair using both AE method and EN method

Shinya FUKUI¹, Yuma KAWASAKI¹, Tomoko FUKUYAMA¹, Yunmi KIM¹ (1.立命館大学)

[1202] Study on estimation method for corrosion state without connecting to steel bar in concrete

Motoki TANAKA¹, Nagate HASHIMOTO¹, Yasuaki KANEKO², Yoshitaka KATOU¹ (1.東京理科大学 2.飛島建設)

[1203] Examination of effect factor in air-permeability test at early age

Takeshi KATO¹, Junji YAMASAKI¹, Kazuyuki SHIMOZAWA², Akio TANAKA³ (1.淺沼組 2.日本建築総合試験所 3.日本工業大学)

[1204] Basic study on Nondestructive evaluation of grouting condition in tendon ducts in PC bridge focusing on the differentiated waveform obtained by pulse input of elastic waves

Kentaro YAMASHITA¹, Masamichi TEZUKA², Toshiro KAMADA¹ (1.大阪大学 2.オリエンタル白石)

[1205] Impact of differences in bridge inspection technician profiles on damage assessment during visual inspection

Shuta NAKAMURA¹, Osamu YOUDA¹, Yuki MURAKAMI¹, Fujio IKEDA¹ (1.長岡工業高等専門学校)

The 43rd JCI Technical Conference

Nondestructive test & Assessment

Thu. Jul 8, 2021 1:45 PM - 3:30 PM Room 4 (Virtual Room)

座長:内田慎哉(土木), 野中英(建築)

[1206] Extraction of the Striking Characteristics from the Hammering Inspectors That Affect the Inspection Accuracy Inside Concrete Defects by Self-Organizing Map

Yuki OKOSHI¹, Yuki MURAKAMI¹, Tetsuro IYAMA¹, Osamu YOUDA¹ (1.長岡工業高等専門学校)

[1207] Detection method for adhesion loss on interface between reinforcement and concrete based on elastic wave velocity structure

Narumi SHIDA¹, Kentaro OONO¹, Kimitaka UJI¹, Atsushi UENO¹ (1.東京都立大学)

[1208] Corrosion Judgement of Re-Bar by Machine Learning Using Concrete Surface Vibration Occurred by Steel Ball Drop Weight Collision

Ichiro KURODA¹, Toshiomi NISHI² (1.防衛大学校 2.九検)

[1209] Effect of silane-based surface impregnants on measurement results of natural potentials.materials on natural potential measurement result.

Katsuya SHONO¹, Hirotaka HAZEHARA¹, Masasi SOEDA¹, Yuji YAMADA¹ (1.福岡大学)

[1210] A study of practical use of automatic crack detection technology for concrete using AI

Kenichi HORIGUCHI¹, MASAMI HONZAWA¹, Kai NOMURA¹, Tsuyoshi KITAHARA¹ (1.大成建設)

[1211] Case Reports on Preventive maintenance Diagnosis of Waterway structure concrete Using Double-chamber Water Permeability and Air permeability Tester et al.

Toshiyasu TOYOFUKU¹, Ryo MIZUMA², Takashi ASANO² (1.九州産業大学 2.富士総合技術コンサルタント)

[1212] Experimental Study on Effect of Pressurization on Test Results in Surface Permeability Test and Relationship between Accelerated Carbonation Depth and Permeability Flux

Ryota HAYASHI¹, Asuka YAMASHITA¹, Toshitsugu INUKAI¹, Shigeru FUJIMORI² (1.岐阜工業高等専門学校 2.大同大学)

Events

A. Material & Construction » Nondestructive test & Assessment

Nondestructive test & Assessment

[1182] Basic Study on Effect of Corrosion of Reinforcement inside RC Deck Slabs on Evaluation of Horizontal Cracks by Electromagnetic Pulse Method

[1183] Study on Estimation of Rebar Corrosion Extent in Concrete by Half-cell Potential Measurement

[1184] Influence of Coarse aggregate and Saturation on the Relationship between Compressive Stress and Ultrasonic Velocity Variation in Concrete

[1185] Consideration on the Contact time in Deteriorated concrete surface layer by Hydrochloric acid aqueous solution

[1186] study on time to leak of water through concrete crack

[1187] Air-Permeability Evaluation Method using hole tested by Small Diameter Drilling Test and Experimental Study on Relationship between Simplified Air-Permeability Speed and Drilling Speed

[1188] Theory and experiment on resonance discrimination by spatial spectral entropy for non-contact acoustic inspection method

Nondestructive test & Assessment

[1189] Fundamental study on air-permeability of boundary surface between concrete and polymer cement mortar by simple test using cylinder

[1190] Design and verification of the training of hammering inspection aimed improvement and leveling of defect detection accuracy based on hitting characteristics

[1191] Examination on chloride ion mapping method applying the principle of silver nitrate solution spray method

[1192] Measurement of spatial distribution of rebar vibration displacement in deteriorated RC material by vibro-pulse radar

[1193] Influence of Corroded Condition on Evaluation for Corrosion of Reinforcing Bars in Concrete by Magnetic Flux Leakage Testing

Nondestructive test & Assessment

[1194] Measurement of vibration displacement of steel bar excited by electromagnetic pulse using vibro-radar

[1195] EXPERIMENTAL STUDY ON WATER PENETRATION OF CEMENT PASTE EXPOSED TO HIGH TEMPERATURE

[1196] Study on evaluation of sinking crack penetration and surface quality evaluation in sluiceway structure.

[1197] Estimation of deterioration status of concrete surface layer using infrared images

[1198] Development of internal structure diagnosis of concrete structures with digital hammering inspection

[1199] Method for obtaining electrochemical impedance spectra without connecting to steel bar in concrete

Nondestructive test & Assessment

[1200] Basic Study on Non-Destructive testing for Evaluation of Deterioration at Concrete Surface Layer Due to Steel Corroison by Impact Elastic methods

[1201] Study on evaluation of reinforcing bar corrosion of RC members after repair using both AE method and EN method

[1202] Study on estimation method for corrosion state without connecting to steel bar in concrete

[1203] Examination of effect factor in air-permeability test at early age

[1204] Basic study on Nondestructive evaluation of grouting condition in tendon ducts in PC bridge focusing on the differentiated waveform obtained by pulse input of elastic waves

[1205] Impact of differences in bridge inspection technician profiles on damage assessment during visual inspection

Nondestructive test & Assessment

[1206] Extraction of the Striking Characteristics from the Hammering Inspectors That Affect the Inspection Accuracy Inside Concrete Defects by Self-Organizing Map

[1207] Detection method for adhesion loss on interface between reinforcement and concrete based on elastic wave velocity structure

[1208] Corrosion Judgement of Re-Bar by Machine Learning Using Concrete Surface Vibration Occurred by Steel Ball Drop Weight Collision

[1209] Effect of silane-based surface impregnants on measurement results of natural potentials.materials on natural potential measurement result.

[1210] A study of practical use of automatic crack detection technology for concrete using AI

[1211] Case Reports on Preventive maintenance Diagnosis of Waterway structure concrete Using Double-chamber Water Permeability and Air permeability Tester et al.

[1212] Experimental Study on Effect of Pressurization on Test Results in Surface Permeability Test and Relationship between Accelerated Carbonation Depth and Permeability Flux