| 4 | Experimental Study on Quality of Tunnel Lining Concrete at the Crown | Satoru KOIKE，Midori ONOZATO， Masanori MOROSAWA， Yasutaka NOMA，Toru TAHO |
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| 5 | Development of Double-pipe Ready-made Concrete Piling Method | Masateru NISHI，Hirofumi SAKIHAMA， Hironori HORII，Koichi UCHIDA |
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| 6 | Experimental Study of 1/20 Acoustic Scale Model for Concert Hall | Yasutaka UEDA，Takumi YOSHIDA， Fujio SATO，Toshihide NOMOTO， Junko OZAWA |