シールドトンネル (6)

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[VI-946] Investigation of air volume measurement method for soil inside a shield chamber using an RI measuring instrument(Part3)

*Atsushi Takeda¹, Masafumi Tomita², Kuwata Takeharu³ (1. Obayashi Corp., 2. Tachibana Material Co.,Ltd., 3. Soil and Rock Engineering Co.,Ltd.)

Keywords:

under the pressure conditions,Inside of the chamber,Volume of the air,RI measurement,gamma ray density meter,neutron moisture meter

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