Japan Society of Civil Engineers 2025 Annual Meeting
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Session Details

Oral PresentationSection V

混和材1

Thu. Sep 11, 2025 9:30 AM - 10:50 AM JST
Thu. Sep 11, 2025 12:30 AM - 1:50 AM UTC
D302
9:30 AM - 9:40 AM JST(12:30 AM - 12:40 AM UTC)

[V-105]Strength development characteristics of concrete using volcanic glass powder from different sources

*Susumu Yoshida1, Norihiro Mihira1 (1. Civil Engineering Research Institute for Cold Region)
9:40 AM - 9:50 AM JST(12:40 AM - 12:50 AM UTC)

[V-106]REGRESSION ANALYSIS ON EFFECTIVE FACTOR TO ACTIVITY INDEX OF VOLCANIC GLASS POWDER

*Masaya Takeda1, Eiki Yasuda1, Yusuke Kirino1, Yoshifumi Hosokawa1 (1. Taiheiyo Cement Corporation)
9:50 AM - 10:00 AM JST(12:50 AM - 1:00 AM UTC)

[V-107]Consideration on the expansion characteristics of concrete using expansive additive and super retarding admixture

*Hiroshi Maruta1, Yasuhiro Nagashio1, Eizo Takeshita1 (1. Taiheiyo Materials Corporation)
10:00 AM - 10:10 AM JST(1:00 AM - 1:10 AM UTC)

[V-108]Fundamental study of concrete with expansive additive and super retarding admixture

*Yasuhiro Nagashio1, Hiroshi Maruta1, Eizou Takeshita1 (1. Taiheiyo materials corportion)
10:10 AM - 10:20 AM JST(1:10 AM - 1:20 AM UTC)

[V-109]Influence of calcium carbonate powder properties on mortar fluidity

*Kazuya Yashima1, Kazuya Honda1, Emika kuroiwa1 (1. Sumitomo Osaka Cement Co.,Ltd.)
10:20 AM - 10:30 AM JST(1:20 AM - 1:30 AM UTC)

[V-110]Effect of Specific Surface Area and Grinding Method of Heavy Calcium Carbonate on Compressive Strength of Mortar

*Daiki Kobayashi1, Yosuke Mitsumori1, Hironobu Yamamiya1, Sakai Mio2, Torichigai Takeshi2, Kanda Tetsushi2 (1. Sika Japan Ltd., 2. KAJIMA CORPORATION)
10:30 AM - 10:40 AM JST(1:30 AM - 1:40 AM UTC)

[V-111]Effects of Various Stimulants on the Hydration and Compressive Strength of Limestone-Blast Furnace Cements

*Taiki Watanabe1, Yoshifumi Ohgi1, Yoshifumi Hosokawa1 (1. TAIHEIYO CEMENT CORPORATION)
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