Japan Society of Civil Engineers 2025 Annual Meeting
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Session Details

Oral PresentationSection V

新材料・新工法（材料）4

Fri. Sep 12, 2025 2:40 PM - 4:00 PM JST
Fri. Sep 12, 2025 5:40 AM - 7:00 AM UTC
3F A2
2:40 PM - 2:50 PM JST(5:40 AM - 5:50 AM UTC)

[V-436]Workability and Hardening Properties of Mortar with a Dispersant Derived from Woody Biomass

*Satoshi Kobayashi1, Akira Suga1, Yuki Ogue1, Kenta Hataguchi1 (1. TOHO CHEMICAL INDUSTRY CO., LTD.)
2:50 PM - 3:00 PM JST(5:50 AM - 6:00 AM UTC)

[V-437]Practical application of cement-free geopolymer concrete (Part 1)

*Akihiro Minezaki1, Keita Ryudo1, Kao Yoshida1, Arata Katori2, Hidenori Tanizaki2, Keisuke Iwaki2, Yoshihiro Inomata2, Atsushi Kawamata2 (1. IHI Construction Materials CO.,LTD. , 2. TEKKEN CORPORATION)
3:00 PM - 3:10 PM JST(6:00 AM - 6:10 AM UTC)

[V-438]Selection of geopolymer mix using sodium orthosilicate

*Yuji Nakamura1, Shunji Aoki1, Takayoshi Tomii1, Hiroshi Yamada2, Wakasugi Mikio3, Seki Tomonori4, Matsumoto Toshimi5 (1. OBAYASHI CORPORATION, 2. OSAKA SANGYO UNIVERSITY, 3. CHEMICAL CONSTRUCTION, 4. Sumitomo Osaka Cement Co.,Ltd., 5. Sika Japan Ltd.)
3:10 PM - 3:20 PM JST(6:10 AM - 6:20 AM UTC)

[V-439]Hardening properties of solidification material mainly made of blast furnace slag

*Tetsuya Kono1, Ryo Honda2, Takumi Harada2, Tooru Tanaka2 (1. Miyazaki University, 2. TODA CORPORATION)
3:20 PM - 3:30 PM JST(6:20 AM - 6:30 AM UTC)

[V-440]Evaluation of the properties of surface-activated fly ash as active fillers

*Takahiro Sakai1, Tooru Masaki1, Rento Ishida2, Mitsuaki Matsuoka2 (1. Penta-Ocean Construction Co., Ltd., 2. Kansai University)
3:30 PM - 3:40 PM JST(6:30 AM - 6:40 AM UTC)

[V-441]Fundamental properties of geopolymer mortar containing surface-activated fly ash

*Toru Masaki1, Takahiro Sakai1, Rento Ishida2, Mitsuaki Matsuoka2 (1. Penta-Ocean Construction co.Ltd, 2. Kansai University)
3:40 PM - 3:50 PM JST(6:40 AM - 6:50 AM UTC)

[V-442]Development of a new binder using fly ash with binding properties imparted by grinding processing

*Takashi Hitomi1, Shirai Takashi2, Sugiyama Takafumi3, Saitoh Kaname4 (1. Obayashi co., 2. Nagoya Institute of Technology, 3. HOKKAIDO UNIVERSITY, 4. Sika Japan Ltd.)
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