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Kudo, Yozo / Hashimoto, Ken-ichi / Sang, Osam / Nakagawa, Koji (1986): Relation Between Physical Anisotropy And Microstructure Of Granite. In: 土木学会論文集 (Doboku Gakkai rombunshū), v. 1986, n. 370 (Juni 1986).
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Honda, Hiroo / Hagimori, Kenji / Furukawa, Kohei / Nakagawa, Koji (1987): Study On Non-blasting Tunnelling Methods In Hard Granite. In: 土木学会論文集 (Doboku Gakkai rombunshū), v. 1987, n. 379 (März 1987).
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Sano, Osamu / Kudo, Yozo / Furukawa, Kohei / Nakagawa, Koji (1987): Strength Distribution Of Rock Specimens And Experimental Techniques. In: 土木学会論文集 (Doboku Gakkai rombunshū), v. 1987, n. 388 (Dezember 1987).
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Yoshimi, Ken-ichi / Furukawa, Kohei / Izawa, Koichi / Nakagawa, Koji (1988): Study Of Smooth Blasting Effects On Tunnelling In Jointed Hard Rock. In: 土木学会論文集 (Doboku Gakkai rombunshū), v. 1988, n. 391 (März 1988).
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Nakagawa, Koji / Furukawa, Kohei / Hagimori, Kenji / Murakami, Susumu (1989): Study On Non-blasting Tunnelling Techniques Patent Information In Hard Rock. In: 土木学会論文集 (Doboku Gakkai rombunshū), v. 1989, n. 403 (März 1989).
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Hagimori, Kenji / Furukawa, Kohei / Yokozeki, Yoshimi / Nakagawa, Koji (1990): Study On Non-blasting Tunnelling Method By Slot Drills And A Hydraulic Breaker In Hard Rock Tunnel. In: 土木学会論文集 (Doboku Gakkai rombunshū), v. 1990, n. 415 (März 1990).
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Suzuki, Shoji / Furukawa, Kohei / Inoue, Hiroshi / Nakagawa, Koji (1991): Rock Characteristics And Rock Mass Classification For Tunnels Using The Fuzzy Regression Model. In: 土木学会論文集 (Doboku Gakkai rombunshū), v. 1991, n. 430 (Juni 1991).
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Suzuki, Shoji / Furukawa, Kohei / Inoue, Hiroshi / Nakagawa, Koji (1991): Study Of Rock Mass Classification Based Of A Questionnaire. In: 土木学会論文集 (Doboku Gakkai rombunshū), v. 1991, n. 435 (September 1991).
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Nakagawa, Koji / Sano, Osam / Kudo, Yozo / Furukawa, Kohei (1991): A Study Of Strength Distribution Of Rock Specimens Subjected To Eccentric Loading. In: 土木学会論文集 (Doboku Gakkai rombunshū), v. 1991, n. 436 (September 1991).
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Nishi, Kunimasa / Furukawa, Kohei / Ogawa, Tsuyoshi / Nakagawa, Koji (1992): Slope-stability Evaluation Factors And Rock Characteristics Based On Fuzzy Set Theory. In: 土木学会論文集 (Doboku Gakkai rombunshū), v. 1992, n. 457 (Dezember 1992).
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Yoneda, Shunichi / Kojo, Hiromi / Terado, Yasutaka / Nakagawa, Koji (1993): Some Penetrative Behaviour Of Cement Suspension Grout In Fissured Rock Mass. In: 土木学会論文集 (Doboku Gakkai rombunshū), v. 1993, n. 480 (Dezember 1993).
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Nakagawa, Koji / Furukawa, Kohei / Suzuki, Kohei / Yoshimi, Ken-ichi (1986): Smooth Blasting In Hard Granite Tunnel Using An Automatic Drilling Machine. In: 土木学会論文集 (Doboku Gakkai rombunshū), v. 1986, n. 367 (März 1986).
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Shiotsuki, Takahisa / Hashizume, Masahiro / Furukawa, Kohei / Nakagawa, Koji (1995): A Study For The Blasting Vibration Control And The Criterion Based On Effects Of Blasting Vibration Level On People. In: 土木学会論文集 (Doboku Gakkai rombunshū), v. 1995, n. 516 (Juni 1995).
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Yuki, Noriyuki / Shimizu, Norikazu / Furukawa, Kohei / Nakagawa, Koji (1995): Questionnaire Survey On The NATM And The Shield Method For Constructing Urban Tunnels. In: 土木学会論文集 (Doboku Gakkai rombunshū), v. 1995, n. 516 (Juni 1995).
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Araki, Yoshinori / Suzuki, Shoji / Miyazaki, Tomoji / Hieda, Masashi / Furukawa, Kohei / Nakagawa, Koji (1995): A Study On The Application Of Neural Network As The Process Of Support Selection For Tunnel Construction With Natm. In: 土木学会論文集 (Doboku Gakkai rombunshū), v. 1995, n. 522 (September 1995).
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Shono, Yutaka / Inoue, Yoshiyuki / Nakazono, Mahito / Nakagawa, Koji (1995): Relation Between Design Method And Psychological Evaluation For The Structures In Highway. In: 土木学会論文集 (Doboku Gakkai rombunshū), v. 1995, n. 528 (Dezember 1995).
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Hashizume, Masahiro / Shiotsuki, Takahisa / Furukawa, Kohei / Nakagawa, Koji (1996): The Study On Evaluation Unit Of Blasting Vibration Based On Effects On People. In: 土木学会論文集 (Doboku Gakkai rombunshū), v. 1996, n. 553 (Dezember 1996).
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Tada, Koji / Taniguchi, Toru / Furukawa, Kohei / Nakagawa, Koji (1997): Study On Box Shield Tunneling Method In Trial Field Operation. In: 土木学会論文集 (Doboku Gakkai rombunshū), v. 1997, n. 560 (März 1997).
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Nakata, Masahiro / Suzuki, Shoji / Furukawa, Kohei / Nakagawa, Koji (1997): Study On The Behavior Of Rock Mass Under Tunnel Construction Based On The NATM Data Base System. In: 土木学会論文集 (Doboku Gakkai rombunshū), v. 1997, n. 567 (Juni 1997).
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Tezuka, Masanobu / Hasui, Akinori / Kudo, Yozo / Nakagawa, Koji (1998): A Study Of Blasting Damage In Rock Mass. In: 土木学会論文集 (Doboku Gakkai rombunshū), v. 1998, n. 602 ( 1998).
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Nakagawa, Koji / Mitarashi, Yoshio / Terato, Hidekazu / Kimura, Nobuo (1998): Questionnaire Investigation On Engineers Evaluation And Decision Of Selection Of Auxiliary Method In Tunnel Construction. In: 土木学会論文集 (Doboku Gakkai rombunshū), v. 1998, n. 602 ( 1998).
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Tezuka, Masanobu / Miki, Shigeru / Nakagawa, Koji (1998): Reduction Of Blast Vibration By Slot-like Continuously Drilled Holes. In: 土木学会論文集 (Doboku Gakkai rombunshū), v. 1998, n. 588 (März 1998).
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Taniguchi, Toru / Ukegawa, Makoto / Tada, Koji / Nakagawa, Koji (1998): Rectangular-section Concrete Segmental Linings With Rounded Corners: Design And Performance Verification. In: 土木学会論文集 (Doboku Gakkai rombunshū), v. 1998, n. 595 (Juni 1998).
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Takeuchi, Hideki / Kawakami, Kiyokazu / Orihashi, Tuneharu / Nakagawa, Koji (1999): Some Considerations On Effect Of Agf-method. In: 土木学会論文集 (Doboku Gakkai rombunshū), v. 1999, n. 623 (Juni 1999).
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Nakagawa, Koji / Aoki, Koichi / Shinji, Masato / Hiroi, Kazuya / Saga, Masanobu / Iwai, Katsuhiko (2002): A Rational Design Of Tunnel Support Of The 2nd Stage Tunnel Based On The 1st Stage Tunnel Construction Records. In: 土木学会論文集 (Doboku Gakkai rombunshū), v. 2002, n. 721 (Dezember 2002).
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Suzuki, Masayuki / Kasa, Hiroyoshi / Higo, Mitsuaki / Yoshitake, Isamu / Shinji, Masato / Nakagawa, Koji (2003): The Solidified Shape Of Urethane Grout In Various Permeable Grounds. In: 土木学会論文集 (Doboku Gakkai rombunshū), v. 2003, n. 735 (Juni 2003).
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Oda, Keinosuke / Kaji, Shigehito / Sakuma, Takao / Nakagawa, Koji (2004): Study Of Controlling The Horizontal Boring In Soft Ground. In: 土木学会論文集 (Doboku Gakkai rombunshū), v. 2004, n. 756 (März 2004).
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Hayashi, Yasutaka / Imai, Junjiro / Yoshiduka, Mamoru / Suzuki, Masayuki / Shigeta, Yoshiyuki / Nakagawa, Koji (2004): Restoration Measures Of Tunnel Experienced Large Deformation Due To Natural Disaster. In: 土木学会論文集 (Doboku Gakkai rombunshū), v. 2004, n. 756 (März 2004).
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Nakagawa, Koji (2004): Prospects On The Investigation And Design In Mountain Tunneling. In: 土木学会論文集 (Doboku Gakkai rombunshū), v. 2004, n. 777 (Dezember 2004).
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Takahashi, Hiroshi / Shinji, Masato / Nakagawa, Koji (2004): Rational Proposal Of Design And Construction Method In Squeezing Rock Tunnels. In: 土木学会論文集 (Doboku Gakkai rombunshū), v. 2004, n. 777 (Dezember 2004).
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