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機械掘削による影響評価試験の事前調査および事前解析研究(平成5年度)

Investigation and numerical analysis at pre-excavation stage to evaluate excavation effects on rock mass around a machine excavated drift

山本 卓也*; 吉岡 尚也*

Yamamoto, Takuya*; Yoshioka, Naoya*

本研究では,機械掘削による影響評価試験の事前調査として,坑道掘削予定位置周辺岩盤の掘削前の物性を計測・評価した。

The objective of the investigation before the drift excavation is to identify rock mass properties and initial condition of the rock mass around the planned drift.

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