Construction report of the small diameter bedrock shield

Presentation information

第VI部門

Thu. Sep 15, 2022 2:40 PM - 4:00 PM VI-13 (吉田南総合館北棟　共北３８)

Chair: Hiroshi Ueda

3:00 PM - 3:10 PM

*yuichirou taniguchi¹ (1. toda construction)

Keywords:small diameter bedrock shield, hornfels, granite, bit exchange, associate bedrock strength

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