第V部門

新材料・新工法（材料）(2)

Thu. Sep 9, 2021 11:10 AM - 12:30 PM V-4 (Room21)

Chair: Isamu Takenoi

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[V-119] Study on the Extension of Time Interval for Placing Concrete with Retarder

〇Tosinari Mukai¹, Hirotosi Sawa¹, Watanabe Kenzou¹, Hisayuki Shiomi¹, Goro Sakai¹, Koji Suzaki¹, Mitsuhiro Kumamoto² (1.KAJIMA CORPORATION , 2. FLOWRIC CO.,LTD. )

[V-120] Study on Super Delayed Concrete Placing over Two Days

〇Hirotosi Sawa¹, Toshinari Mukai¹, Kenzo Watanabe¹, Hisayuki Shiomi¹, Goro Sakai¹, Koji Suzaki¹ (1.KAJIMA CORPORATION )

[V-121] Application of two-day placing technique using super delayed concrete

〇HIsayuki Shiomi¹, Toshinari Mukai¹, Hirotoshi Sawa¹, Kenzo Watanabe¹, Goro Sakai¹, Koji Suzaki¹ (1.KAJIMA CORPORATION )

[V-122] Application of slump retention admixture to precast slab bridge connection concrete in highway slab replacement work

〇Seishi Shiraiwa¹, Atsushi Yatagai², Wataru Doi³, Daisuke Suzuki⁴, Taichi Nakamura⁵ (1.Hazama Ando Corporation, 2.Hazama Ando Corporation, 3.Hazama Ando Corporation, 4.YAMASO CHEMICAL Corporation, 5.East Nippon Expressway Corporation)

[V-123] Ultra-fast hardening concrete that can be constructed on a small scale with a simple system

〇Katsuichi Miyaguchi¹, Doyeon Kwak¹, Tsuneyuki Ashizawa¹ (1.Sho-Bond Corporation)

[V-124] Improvement effect of Concrete surface of lining concrete applied Continuous Drain-Moist Curing at long-term age

〇Tatsuya USUI¹, Osamu Suzuki², Shingo Morishima³ (1.Taisei Corporation, 2.Taisei Corporation, 3.Taisei Corporation)

[V-125] Verification of follow-up survey results after construction of tunnnel interior work using coating materials

〇ryohei tagami¹, shigeru kanjo¹, yoshikatsu odan² (1.West Nippon Expressway, 2.West Nippon Expressway Engineering Chugoku)

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