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Hyodo, Masahiro / Shibahara, Shinya / Ogata, Hidehiko / Atarashi, Daiki / Kawasaki, Yuma / Okamoto, Takahisa (2022): Improvement in Long-term Strength and Flow of Mortar Containing Reed Ash and Powder. Dans: Journal of Advanced Concrete Technology, v. 20, n. 4 (14 avril 2022).
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Nagataki, Shigeyoshi / Okamoto, Takahisa / Soga, Toshitaka / Yuyama, Shigenori (1991): Acoustic Emission From Repaired Reinforced Concrete Beams. Dans: 土木学会論文集 (Doboku Gakkai rombunshū), v. 1991, n. 426 (février 1991).
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Nagataki, Shigeyoshi / Okamoto, Takahisa / Soga, Toshitaka / Adachi, Takayuki (1990): A Constitutive Law Of Reinforced Concrete Plate Element Under Biaxial Stress States And Its Application To Reinforced Concrete Members Subjected To Torsion. Dans: 土木学会論文集 (Doboku Gakkai rombunshū), v. 1990, n. 414 (février 1990).
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Nagataki, Shigeyoshi / Okamoto, Takahisa / Umeki, Hideo / Lee, Seung-Han (1989): A Study On Mechanical Behaviours Of Reinforced Concrete Members Subjected To Reversed Cyclic Torsion. Dans: 土木学会論文集 (Doboku Gakkai rombunshū), v. 1989, n. 402 (février 1989).
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Nagataki, Shigeyoshi / Lee, Seung Han / Okamoto, Takahisa (1988): A Study On Mechanism Of Torsional Resistance Of Reinforced Concrete Members. Dans: 土木学会論文集 (Doboku Gakkai rombunshū), v. 1988, n. 390 ( 1988).
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Nagataki, Shigeyoshi / Okamoto, Takahisa / Lee, Seunghan / Yamaoka, Satoshi (1986): A Study On Torsional Properties Of Reinforced Concrete Members. Dans: 土木学会論文集 (Doboku Gakkai rombunshū), v. 1986, n. 372 (août 1986).
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Okamoto, Takahisa / Nagataki, Shigeyoshi (1985): Strength And Deflection Of Reinforced Concrete Members Subjected To Combined Bending, Shear And Torsion. Dans: 土木学会論文集 (Doboku Gakkai rombunshū), v. 1985, n. 360 (août 1985).
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Niwa, Junichiro / Matsuo, Toyofumi / Okamoto, Takahisa / Tanabe, Tada-aki (1996): Experimental Study On Relationship Between Type Of Cements And Fracture Properties Of Concrete. Dans: 土木学会論文集 (Doboku Gakkai rombunshū), v. 1996, n. 550 ( 1996).
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Minemura, Osamu / Sakata, Noboru / Yuyama, Shigenori / Okamoto, Takahisa / Maruyama, Kyuichi (1999): Safety Surveillance Of An Arch Dam Under Construction During Secondary Cooling And Grouting By Acoustic Emission. Dans: 土木学会論文集 (Doboku Gakkai rombunshū), v. 1999, n. 634 (novembre 1999).
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Yanai, Shuji / Sakata, Noboru / Nobuta, Yoshinobu / Okamoto, Takahisa (2000): Study On Self Compacting High Performance Lightweight Concrete. Dans: 土木学会論文集 (Doboku Gakkai rombunshū), v. 2000, n. 648 (mai 2000).
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Uchida, Masakatsu / Ohtsu, Masayasu / Tsuji, Nobuyuki / Okamoto, Takahisa (2000): Evaluation Of Crack Depth In Reinforced Concrete Structure Using Ultrasonics. Dans: 土木学会論文集 (Doboku Gakkai rombunshū), v. 2000, n. 662 (novembre 2000).
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Ishikawa, Yuko / Kokubu, Katsuro / Mori, Daisuke / Okamoto, Takahisa (2003): Experimental Study On Fractural Behavior Of Concrete Using High-performance Lightweight Aggregate. Dans: 土木学会論文集 (Doboku Gakkai rombunshū), v. 2003, n. 725 ( 2003).
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Kono, Katsuya / Niwa, Junichiro / Okamoto, Takahisa (2005): Volume Change Mechanisms Of High-performance Lightweight Aggregate Concrete With Low Water Cement Ratio. Dans: 土木学会論文集 (Doboku Gakkai rombunshū), v. 2005, n. 802 ( 2005).
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Yokota, Hiroshi / Yokozawa, Kazuo / Hara, Natsuo / Okamoto, Takahisa / Niwa, Junichiro (2000): Super-Lightweight Concrete Caisson for Port Structures. Présenté pendant: IABSE Congress: Structural Engineering for Meeting Urban Transportation Challenges, Lucerne, Switzerland, 18-21 September 2000.
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Aquino, Carlos / Inoue, Masumi / Miura, Hiroaki / Mizuta, Maki / Okamoto, Takahisa (2010): The effects of limestone aggregate on concrete properties. Dans: Construction and Building Materials, v. 24, n. 12 (décembre 2010).
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Kawasaki, Yuma / Wasada, Shota / Okamoto, Takahisa / Izuno, Kazuyuki (2014): Evaluation for RC specimen damaged from rebar corrosion by acoustic emission technique. Dans: Construction and Building Materials, v. 67 (septembre 2014).
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Ogawa, Yu / Kawasaki, Yuma / Okamoto, Takahisa (2014): Fracture behavior of RC members subjected to bending shear and torsion using acoustic emission method. Dans: Construction and Building Materials, v. 67 (septembre 2014).
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Minemura, Osamu / Sakata, Noboru / Yuyama, Shigenori / Okamoto, Takahisa / Maruyama, Kyuichi (1998): Acoustic emission evaluation of an arch dam during construction cooling and grouting. Dans: Construction and Building Materials, v. 12, n. 6-7 (septembre 1998).
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