Presentation Information

[VI-989]Shield Tunneling in Hard Ground Formations of Senri Hills

*Wataru Fukushima1, Takasi Kohma1, Yui Orimoto1, Yuji Tsurumoto2, Ken Murase3, Kunihiko Matsumoto3, Takayuki Yamada2, Kazuki Yasumuro2 (1. Konoike Construction Co.,Ltd, 2. Konoike Construction Co., Ltd. - Hanshin Construction Joint Venture, 3. Osaka Gas Network Co., Ltd.)

Keywords:

Osaka Formation,Bit Replacement,Quartz Content Test,Needle Penetration Test,Pleistocene Sand Layer,Cohesive Soil Layer