建築や建設のトラブルおよび不具合とそれらを避けるための対策

[DS-10-09] Effects of rock-fall hazard prevention measures on tunnel face extrusion: comparison of displacement reduction rates using finite element analysis

*NAOTAKA KIKKAWA¹, Kazuya Itoh², Hidetaka Saomoto³ (1. National Institute of Occupational Safety and Health, Japan, 2. Tokyo City University, 3. National Institute of Advanced Industrial Science and Technology)

Keywords:mountain tunnel, fall of rocks, finite element method