第V部門

耐久性一般(1)

Fri. Sep 10, 2021 11:10 AM - 12:30 PM V-3 (Room20)

Chair: Kenzo Watanabe

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[V-361] Effects of Mix Propotions and Finishing Timing on Properties of Concrete Surface

〇Takehiro Sawamoto¹, Kazumasa Morohama¹, Masanori Higuchi², Yoshiaki Dai², Daisuke Sawaki³ (1.INSTITUTE OF TECHNOLOGISTS, 2.Sumitomo Mitsui Construction, 3.Taiheiyo Consultant)

[V-362] Influence of concrete finishing time on surface quality-ultrasonic velocity distribution and SEM image examination

〇Kazumasa Morihama¹, Daisuke Sawaki², Takehiro Sawamoto³, Masanori Higuchi⁴, Dai Akiyoshi⁵ (1.Institute of Technologists, 2.Taiheiyo Consultant, 3.Institute of Technologists, 4.Sumitomo Mitsui Construction, 5.Sumitomo Mitsui Construction)

[V-363] Examination of the effect of the initial curing method and period of concrete on the surface air permeability coefficient

〇Michiru Mabuchi¹, Mineki Kouzu¹, Takayuki Oono², Go Sugiura³, Chengning Wu² (1.NIPPON SHARYO, LTD, 2.AICHI INSTITUTE OF TECHNOLOGY , 3.Hichibangumi Corporation)

[V-364] Study of moisture penetration resistance evaluation method on cement hardened using admixture

〇Masashi Miyawaki¹, Akari Shibuya², Takeshi Iyoda³ (1.Shibaura Institute of Technology, 2.Shibaura Institute of Technology, 3.Shibaura Institute of Technology)

[V-365] Study on water penetration of core sampled from long-term concete bridge

〇Kenji Sasaki¹, Ryuga Suzuki¹, Jie Wang¹ (1.Nagasaki University)

[V-366] Fundamental study on the transformation of solid phase and mechanical behaviors of cement paste deteriorated by Ca leaching

〇Takayuki Kawaguchi¹, Taito Miura¹, Hikaru Nakamura¹ (1.Nagoya University)

[V-367] Fundamenatl investigation for improvement of water absorption resistance at horizontal construction joint utilizing crystalline waterproofing material

Keisuke Mitome¹, 〇Akira Hosoda¹, Tetsu Kimura², Ryoichi Hayashi³ (1.Yokohama National University, 2.Japan XYPEX, 3.KSJ)

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