山岳トンネル（覆工・吹付）(3)

9:30 AM - 9:40 AM JST(12:30 AM - 12:40 AM UTC)

[VI-1059] Sprayed concrete management using set accelerating admixture in cold regions

*MICHIO Tamashiro¹, Tatsuya Usui¹, Masato Shimono¹, Eigi Hugiki¹, Hide Takamori², Masaya Suzuki², Yusuke Baba² (1. Taisei Corporation, 2. Pozzolith Solutions Ltd.)

Keywords:

mountain tunnel,set accelerating admixture,sprayed concrete,concrete temperature,initial strength

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