The 43rd JCI Technical Conference

Durability

Wed. Jul 7, 2021 10:00 AM - 12:00 PM Room 3 (Virtual Room)

座長:斉藤豪(土木), 武田浩二(建築)

[1055] Evaluation of threshold pore diameter of concrete with nanoparticles

Yuya SAKAI¹, Shunsei TANAKA¹, Seunghyun NA¹, Michio SYZUKI¹ (1.東京大学)

[1056] Study on the applicability of concrete using Belite-Gehlenite clinker as fine aggregate to precast concrete products

Mizuki OWADA¹, Hiromi FUJIWARA¹, Masanori MARUOKA¹, Kensuke HAYASHI² (1.宇都宮大学 2.太平洋セメント)

[1057] Exposure test in underground with hot spring environment of concrete using Ground Granulated Blast-furnace Slag

Masato GOTO¹, Yoshikazu AKIRA¹, Toshinobu YAMAGUCHI¹, shinnya HIRAMOTO² (1.鹿児島大学 2.日鉄高炉セメント)

[1058] Changes in characteristic of Alite-C3A-gypsum hydrate at early stages of sulfuric acid immersion

Tatsuo SHINMI¹, Kentaro UTSUMI², Hiroyoshi KATO¹, Kenji KAWAI² (1.トクヤマ 2.広島大学)

[1059] DURABILITY OF TRACK SLAB USING GRANULATED BLAST-FURNACE SLAG SAND

Hajime KAWAKANE¹, Mitsunori SASAKI², Tatsuya MASUDA², Tetsuya TOYOTA¹ (1.極東興和 2.鉄道建設・運輸施設整備支援機構)

[1060] A Study on the Anti-Corrosion Performance of a Patch Repair Material Containing SAP for Improving the Work Efficiency in Summer Season

Masayuki TSUKAGOSHI¹, Koudai UEDA¹, Yuji YAMADA¹, Hirotaka HAZEHARA¹ (1.福岡大学)

[1061] A study on mechanism of excessive expansion of heat-cured super high early strength cement paste

Hiroaki MORI¹, Akira ERIGUCHI¹, Shinya WATANABE², Yoshimori KUBO³ (1.太平洋セメント 2.日本建設機械施工協会 3.金沢大学)

[1062] Effect of Applied of Surface Finishing Materials to Cracked Mortar on Corrosion Rate of Reinforcing Bar

Yutaro KATAYAMA¹, Masayuki TSUKAGOSHI¹, Hirotaka HAZEHARA¹, Yuji YAMADA¹ (1.福岡大学)

The 43rd JCI Technical Conference

Durability

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

座長:阿波稔(土木), 鹿毛忠継(建築)

[1063] Correlation between penetration depths measured by spraying AgNO3 solution and results of non-destructive test

Yuki YOKOYAMA¹, Kenichiro NAKARAI¹, Toshiharu KISHI² (1.広島大学 2.東京大学)

[1064] Moisture behavior and rebar corrosion in concrete repair

Hiroaki SUZUKI¹, Maki MIZUTA², Motoki UEHARA¹, Yoshie OTAKE² (1.鉄道総合技術研究所 2.理化学研究所)

[1065] A STUDY ON THE INFLUENCE OF SILICA FUME ON MOISTURE PERMEABILITY OF CONCRETE BY USING NEUTRON TRANSMISSION IMAGING

Yoshimori KUBO¹, Takuo OGURO², Maki MIZUTA³, Yoshie OTAKE³ (1.金沢大学 2.小黒数学研究所 3.理化学研究所)

[1066] Microanalysis of cement paste matrix deteriorated by delayed ettringite formation

Natsuki YOSHIDA¹, Yuto SHIBUI¹ (1.日本建築総合試験所)

[1067] Development of Water-Permeable Sheet with Improved Diversion for Continuous Drainage and Moist Curing

Satoko NAOMACHI¹, Zyunichi MATSUMOTO¹, Kenichi HORIGUCHI¹, Tatuya USUI¹ (1.大成建設)

[1068] Effect of environmental exposure on rate of corrosion of outdoor and indoor sides of finished and non-finished reinforce mortars

Kazuma NOZAKI¹, Masayuki TSUKAGOSHI¹, Takao UEDA², Satoru HONDA¹ (1.福岡大学 2.徳島大学)

The 43rd JCI Technical Conference

Durability

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

座長:村上祐貴(土木), 今本啓一(建築)

[1070] Study on Humidity Dependence of Carbonation Rate by Carbonation Test under Controlling Humidity

Katsuhito KOMIYA¹, Kiyohumi NAKADA², Yuhei NISHIO¹, Manabu KANEMATSU¹ (1.東京理科大学 2.建築研究所)

[1071] Mechanism of Humidity Fluctuation in Concrete and Its Separation Method

Kiyofumi NAKADA¹, Koichi MATSUZAWA¹, Tadatsugu KAGE¹ (1.建築研究所)

[1072] Fundamental study on complex deterioration mechanism of DEF and ASR

Hiroki MIYAUCHI¹, Takao UEDA¹ (1.徳島大学)

[1073] Study on labor-saving in predictiong fatigue life of mortar under high stress and low frequency conditions

Ryota HASHIMOTO¹, Kouzo ONOUE¹ (1.熊本大学)

[1074] EFFECT OF WATER MIGRATION AND pH OF REBAR POSITION ON SPALLING OF COVER CONCRETE CAUSED BY CORROSION

Shuntaro TODOROKI¹, Hiroshi UEDA¹, Tetsuya ISHIDA², Toshiya TADOKORO¹ (1.鉄道総合技術研究所 2.東京大学)

[1075] Relationship between the cover depth and the rebar corrosion based on survey of actual concrete structures under the salt-damage environment

Ryota HAYASHI¹, Hirotaka HAZEHARA², Masashi SOEDA¹ (1.福岡大学 2.福岡大学 )

The 43rd JCI Technical Conference

Durability

Thu. Jul 8, 2021 9:00 AM - 10:30 AM Room 3 (Virtual Room)

座長:上田隆雄(土木), 福山智子(建築)

[1076] FUNDAMENTAL STUDY ON THE EFFECT OF CURLING BEHAVIOR OF PLASTERING MORTAR DUE TO DRYING SHRINKAGE ON MORTAR-CONCRETE ADHESION SYSTEM

Peiyi ZHANG¹, Atsushi TERAMOTO², Takaaki OHKUBO² (1.Hisoshima University 2.広島大学)

[1077] EVALUATION OF ELECTRICAL RESISTIVITY OF CARBONATED MORTAR UNDER DIFFERENT RH CONDITIONS

Luge CHENG¹, Ippei MARUYAMA² (1.The University of Tokyo 2.東京大学)

[1078] Mechanical property evaluation of Hollow-cylinderical concrete specimen designed for neutron irradiation experiment by RBSM

Daisuke KANBAYASHI¹, Shota UMEKI¹, Hamza SAMOUH¹, Ippei MARUYAMA¹ (1.名古屋大学)

[1079] WATER FLOW RATE BEHAVIOR THROUGH NARROW MICROCHANNELS EMULATING CONCRETE CRACKS

Pruthvi Raj GADDAM¹, Tomohisa KAMADA², Toshiharu KISHI² (1.The University of Tokyo 2.東京大学)

[1080] A SIMULATION-AIDED STUDY ON MICROSTRUCTURE DEVELOPMENT AND DENSIFICATION PROCESS OF CEMENTITIOUS MATERIALS

Guangfeng OU¹, Seunghyun NA¹, Tomohisa KAMADA², Tohisaharu KISHI² (1.The University of Tokyo 2.東京大学)

[1081] MITIGATION OF CRACKING IN DURABLE RC DECK SLAB ON MULTIPLE SPAN STEEL BOX GIRDER CONSIDERING STEPWISE CONSTRUCTION METHOD AND UTILIZING EXPANSIVE ADDITIVE

Ngoc PHAN¹, Akira HOSODA¹, Yoichiro TSUJITA², Ayana SHIRAKAWA² (1.横浜国立大学 2.Seibu Construction Co., Ltd.)

Events

A. Material & Construction » Durability

Durability

[1055] Evaluation of threshold pore diameter of concrete with nanoparticles

[1056] Study on the applicability of concrete using Belite-Gehlenite clinker as fine aggregate to precast concrete products

[1057] Exposure test in underground with hot spring environment of concrete using Ground Granulated Blast-furnace Slag

[1058] Changes in characteristic of Alite-C3A-gypsum hydrate at early stages of sulfuric acid immersion

[1059] DURABILITY OF TRACK SLAB USING GRANULATED BLAST-FURNACE SLAG SAND

[1060] A Study on the Anti-Corrosion Performance of a Patch Repair Material Containing SAP for Improving the Work Efficiency in Summer Season

[1061] A study on mechanism of excessive expansion of heat-cured super high early strength cement paste

[1062] Effect of Applied of Surface Finishing Materials to Cracked Mortar on Corrosion Rate of Reinforcing Bar

Durability

[1063] Correlation between penetration depths measured by spraying AgNO3 solution and results of non-destructive test

[1064] Moisture behavior and rebar corrosion in concrete repair

[1065] A STUDY ON THE INFLUENCE OF SILICA FUME ON MOISTURE PERMEABILITY OF CONCRETE BY USING NEUTRON TRANSMISSION IMAGING

[1066] Microanalysis of cement paste matrix deteriorated by delayed ettringite formation

[1067] Development of Water-Permeable Sheet with Improved Diversion for Continuous Drainage and Moist Curing

[1068] Effect of environmental exposure on rate of corrosion of outdoor and indoor sides of finished and non-finished reinforce mortars

Durability

[1070] Study on Humidity Dependence of Carbonation Rate by Carbonation Test under Controlling Humidity

[1071] Mechanism of Humidity Fluctuation in Concrete and Its Separation Method

[1072] Fundamental study on complex deterioration mechanism of DEF and ASR

[1073] Study on labor-saving in predictiong fatigue life of mortar under high stress and low frequency conditions

[1074] EFFECT OF WATER MIGRATION AND pH OF REBAR POSITION ON SPALLING OF COVER CONCRETE CAUSED BY CORROSION

[1075] Relationship between the cover depth and the rebar corrosion based on survey of actual concrete structures under the salt-damage environment

Durability

[1076] FUNDAMENTAL STUDY ON THE EFFECT OF CURLING BEHAVIOR OF PLASTERING MORTAR DUE TO DRYING SHRINKAGE ON MORTAR-CONCRETE ADHESION SYSTEM

[1077] EVALUATION OF ELECTRICAL RESISTIVITY OF CARBONATED MORTAR UNDER DIFFERENT RH CONDITIONS

[1078] Mechanical property evaluation of Hollow-cylinderical concrete specimen designed for neutron irradiation experiment by RBSM

[1079] WATER FLOW RATE BEHAVIOR THROUGH NARROW MICROCHANNELS EMULATING CONCRETE CRACKS

[1080] A SIMULATION-AIDED STUDY ON MICROSTRUCTURE DEVELOPMENT AND DENSIFICATION PROCESS OF CEMENTITIOUS MATERIALS

[1081] MITIGATION OF CRACKING IN DURABLE RC DECK SLAB ON MULTIPLE SPAN STEEL BOX GIRDER CONSIDERING STEPWISE CONSTRUCTION METHOD AND UTILIZING EXPANSIVE ADDITIVE