Koji Nakagawa

FULL SCALE TEST AND RATIONAL DESIGN METHOD OF ROCK-LINER WITH CONCRETE

Hajime Hamada, Masato Shinji, Isamu Yoshitake, 2004 .

THE DEVELOPMENT OF THE LIGHT PREFABRICATED STEEL SUPPORT FOR TBM TUNNELS

Shoji Inoue, Takayoshi Nakayama, Saburo Okuno, 2001 .

EVALUATION OF REDESIGN METHOD OF WALL TYPE OF TUNNEL PORTAL

Yoshiyuki Inoue, Mahito Nakazono, Koji Nakagawa, 2003 .

ANALYSES OF THE MEASURE EFFECT TO IMPROVE THE DRIVING ENVIRONMENT OF HIGHWAYS ON MOUNTAIN AREAS

Yoshiyuki Inoue, Mahito Nakazono, Koji Nakagawa, 2003 .

EVALUATION ON ENGINEERS DECISION OF SELECTION OF AUXILIARY METHOD BASED ON QUESTIONNAIRE INVESTIGATION

Nobuo Kimura, Yoshio Mitarashi, Koji Nakagawa, 1998 .

Discharge characteristics through laser processed micro apertures

Tetsuya Akitsu, Koji Nakagawa, 2001 .