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Dive into the research topics where Yasuhiro Ohtani is active.

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Featured researches published by Yasuhiro Ohtani.


Kou kouzou rombunshuu | 2002

Stress Transmission Mechanism in RC Footing Beam Supporting Exposed-type Corn Base with Unbonded Anchor Bolts

Hidenori Tanaka; Nobutaka Yamada; Isao Yamada; Takashi Fujinaga; Yasuhiro Ohtani; Michio Itoh

Experimental study was carried out to examine the effectiveness of arrangement of reinforcement in a footing beam for an exposed-type steel column base. In the study, location of horizontal anchor and amount of vertical reinforcement are selected as experimental parameters to investigate suitable arrangement of reinforcement. In the tests, a column base is loaded through a column subjected to horizontal and vertical loads at the top. Test results show that the column base reinforced by horizontal anchors, which are placed at the upper side of anchor plates, and by a few amount of vertical reinforcement does perform as well as that fully reinforced by vertical reinforcement.


Journal of Structural and Construction Engineering (transactions of Aij) | 2003

EXPERIMENT ON SEISMIC RETROFIT FOR EXSITING R/C FRAME USING PIN-ENDED CHS-BRACINGS

Kazuaki Miyagawa; Ryoji Kinoshita; Takashi Fujinaga; Yasuhiro Ohtani; Isao Mitani


Kou kouzou rombunshuu | 2001

Behavior of Exposed-type Column Base with Unbonded-type Anchor Bolts in A Few Vertical Anchor Reinforcements

Michio Itoh; Isao Mitani; Yasuhiro Ohtani; Takashi Fujinaga; Hidenori Tanaka


日本建築学会近畿支部研究報告集. 構造系 | 2007

2087 Stiffness evaluation and Modelling of Multi-interface Connection used in External strengthning method Subjected to Combined loads

Taisei Morishita; Yasuhiro Ohtani; Kazuhiro Miyanohana; Kazuaki Miyagawa; Koji Yoda


Summaries of technical papers of Annual Meeting Architectural Institute of Japan. C-1, Structures III, Timber structures steel structures steel reinforced concrete structures | 2005

22381 Condtibution of Rebar in Rotational Rigidity of Semi-Rigid Composite Connection

Daikou Ichioka; Isao Mitani; Yasuhiro Ohtani


Journal of Structural and Construction Engineering (transactions of Aij) | 2005

EXPERIMENT ON SEISMIC RETROFIT FOR EXISTING R/C FRAMES WITH SPANDRELS USING PIN-ENDED CHS BRACINGS

Kazuaki Miyagawa; Ryoji Kinoshita; Kenji Kikuchi; Yasuhiro Ohtani; Isao Mitani


Japan Concrete Institute | 2003

Model for the Skeleton Curve of Square CFT Beam-Columns

Go Nakamura; Takashi Fujinaga; Isao Mitani; Yasuhiro Ohtani


Journal of Structural and Construction Engineering (transactions of Aij) | 2002

INELASTIC BUCKLING LOAD OF UNBRACED FRAME DOMINATED BY SINGLE BUCKLING OF COLUMN

Isao Mitani; Takashi Katahira; Yasuhiro Ohtani


Journal of Structural and Construction Engineering (transactions of Aij) | 2002

BUCKLING LOAD OF RIGID FRAME WITH SLENDER COLUMNS

Isao Mitani; Takashi Katahira; Yasuhiro Ohtani; Kohshiro Hayashihara


Summaries of technical papers of Annual Meeting Architectural Institute of Japan. A-1, Materials and construction | 2001

1044 Initial Crack and Crack Propagation in Imitative Concrete Specimen with Steel Bars Embedded in Mortar (Part2) : Influence of direction and distribution of initial crack and void

Tsuyoshi Yoshihara; Yasuhiro Ohtani; Isao Mitani

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