Koji Nakagawa

发表

Comparison of Two Methods of Flow Range Improvement in a Centrifugal Compressor

Koji Nakagawa, Yasuo Uraki, 1998 .

THE EFFECTIVENESS OF LOOSE BLASTING TECHNIQUE IN ROCK EXCAVATION

Koji Nakagawa, Kohei Furukawa, Takahisa Shiotsuki, 1992 .

AN EXPERIMENTAL STUDY ON EXPLOSIVE DEMOLITION METHODS OF REINFORCED CONCRETE BUILDING

Koji Nakagawa, Masanori Kinoshita, Akemi Hasegawa, 1989 .

STRENGTH DISTRIBUTION OF ROCK SPECIMENS AND EXPERIMENTAL TECHNIQUES

Kohei Furukawa, Koji Nakagawa, Osamu Sano, 1987 .

EXPERIMENTAL OPERATION OF BOX SHIELD TUNNELING MACHINE

Toru Taniguchi, Koji Nakagawa, Kohei Furukawa, 1993 .

THE COMPARISON OF THE ACTION OF ‘COHESION-GROUND’ AND ‘ ANGLE OF INTERNAL FRICTIOIN-GROUND’ BY NUMERICAL ANALYSIS

Koji Nakagawa, Tadashi Okabe, 2003 .

MECHANICAL PROPERTIES OF THE CONNECTED RC MEMBER APPLIED TO MICRO MULTI BOX SHIELD METHOD

Makoto Ukegawa, Koji Nakagawa, Isamu Yoshitake, 2003 .

Questionnaire results on the stiffness of tunnel supports

Koji Nakagawa, Masato Shinji, Wataru Akagi, 2000 .

THE EVALUATION OF MONITORING BLAST VIBRATION ON RESIDENTS

Koji Nakagawa, Kohei Furukawa, Takahisa Shiotsuki, 1998 .

ESTIMATION OF THE VIBRATION LEVEL FROM VELOCITY WAVES INDUCED BY DELAYED BLASTING

Takeshi Imamura, Koji Nakagawa, Sunao Kunimatsu, 1989 .

PROSPECTS ON THE INVESTIGATION AND DESIGN IN MOUNTAIN TUNNELING

Koji Nakagawa, 2004 .

Deformation and fracture process of granitic rocks as an anisotropic body.

Koji Nakagawa, Yoshiaki Mizuta, Osam Sano, 1988 .

A STUDY ON TUNNELING METHODS FOR TWIN TYPE CLOSED TUNNELS BASED ON THE COMPARISON OF SUPPORT LOAD

Koji Nakagawa, Yutaka Nashimoto, Masato Shinji, 2004 .

Reduction of Partial-Load Rattling Noise of an Oil-Injected Screw Compressor.

Koji Nakagawa, Fumio Takeda, Yozo Nakamura, 1992 .

A quality control method for shotcrete strength by pneumatic pin penetration test

Koji Nakagawa, Keisuke Iwaki, Shinobu Kaise, 2001 .

SOME CONSIDERATIONS ON THE FRAGMENTATION MECHANISM IN WIDE SPACE BLASTING

Koji Nakagawa, Takeshi Sakamoto, Ken-ichi Hashimoto, 1982 .

INVESTIGATION ON THE ACTUAL CONDITION OF GROUND IMPROVEMENT BY JET GROUTING METHOD

Koji Nakagawa, Isamu Yoshitake, Takashi Mitsui, 2003 .

CONSIDERATIONS FOR PROPER DESIGN SOIL PRESSURE AND CONTROL METHOD IN PRACTICING HORIZONTAL JET-MIXING METHOD

Koji Nakagawa, Shigehito Kaji, Keinosuke Oda, 1998 .

RESTORATION MEASURES OF TUNNEL EXPERIENCED LARGE DEFORMATION DUE TO NATURAL DISASTER

Masayuki Suzuki, Koji Nakagawa, Yoshiyuki Shigeta, 2004 .

INFLUENCE OF EYE-GLASS-FRAME TUNNEL CONSTRUCTIONS ON GROUND SURFACE SETTLEMENT

Koji Nakagawa, Masato Shinji, Masato Kamimura, 2003 .

STATE OF THE ART OF TWIN TUNNEL WITH CENTER PILLAR IN JAPAN

Koji Nakagawa, Masato Kamimura, Koichi Aoki, 2000 .

EXPERIMENTFAL STUDY ON THE ROLE OF SUPPORT IN THE MODERATE ROCK MASS

Koji Mitani, Koji Nakagawa, Masahiro Nakata, 1999 .

A PROPOSAL OF CONTROL METHOD ON SHOTCRETE STRENGTH BY PIN PENETRATION TEST USING AIR PRESSURE

Koji Nakagawa, Keisuke Iwaki, Shinobu Kaise, 2000 .

A STUDY FOR THE BLASTING VIBRATION CONTROL AND THE CRITERION BASED ON EFFECTS OF BLASTING VIBRATION LEVEL ON PEOPLE

Koji Nakagawa, Masahiro Hashizume, Kohei Furukawa, 1995 .

THE PIPE FORMULA WING RIB WHICH EXPECTED IMPROVEMENT IN THE EARLY ADHESION NATURE OF A NATURAL GROUND AND STEEL ARCH SUPPORT

Minoru Yamamoto, Koji Nakagawa, Masato Shinji, 2002 .

INVESTIGATION OF CRACKS IN LINING CONCRETE AND ESTIMATION ON THE EXFOLIATION OF CONCRETE PIECES

Hiromichi Shiroma, Koji Nakagawa, Isamu Yoshitake, 2004 .

ESTIMATION OF THE VIBRATION LEVEL OF BLASTING VIBRATIONS

Takeshi Imamura, Koji Nakagawa, Sunao Kunimatsu, 1986 .

Low vibration blasting methods with continuous slots.

Koji Nakagawa, Kohei Furukawa, Kenji Hagimori, 1988 .

GROUND BEHAVIOR AND PERFORMANCE OF EYE-GLASS-FRAME TUNNELS BASED ON MEASUREMENTS

Koji Nakagawa, Masato Shinji, Masato Kamimura, 2002 .