地中構造物⑤

[25-9-4-08] Investigation of air volume measurement method for soil inside a shield chamber using an RI measuring instrument

*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