Hirokazu Sugiyama
- Centrifuge Test Of Clay Ground Behavior Supported By Mud Slurry. Dans: 土木学会論文集 (Doboku Gakkai rombunshū), v. 1997, n. 575 (septembre 1997). (1997):
- Earth Pressure Redistribution Around Ecl Tunnel Lined With Self-compacting Concrete. Dans: 土木学会論文集 (Doboku Gakkai rombunshū), v. 2001, n. 694 (décembre 2001). (2001):
- Failure Mechanism Of The Passive State Around Ecl Tunnels. Dans: 土木学会論文集 (Doboku Gakkai rombunshū), v. 2004, n. 757 (mars 2004). (2004):