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Featured researches published by Tetsuya Yabuki.


Journal of Structural Engineering-asce | 2011

Instability of Axially Loaded Compression Members under Lateral Rigid Body Excitations

Tetsuya Yabuki; Yasunori Arizumi; Janice J. Chambers; Tetsuhiro Shimozato; Toshiyasu Yoza

The global compressive capacity of steel members subject to lateral rigid body dynamic excitation is examined numerically with a dynamic nonlinear finite-element analytical algorithm that uses the implicit Newmark-β integration procedure combined with the Newton-Raphson iterative scheme. The algorithm was validated with experimental results. Parametric studies on 180 box, tube, and W shapes are presented. The members included initial geometric imperfections along their lengths. On the basis of the parametric study, a simplified formula for the buckling capacity of a steel member under lateral rigid body excitations is presented that may be considered for the use in the development of a design formula.


Doboku Gakkai Ronbunshu | 2000

A PRACTICAL ESTIMATION OF DYNAMIC PHYSICAL PROPERTIES OF SUBSURFACE LAYERS IN OKINAWA PREFECTURE

Yoshinari Matsushima; Tetsuya Yabuki; Yasunori Arizumi

ある特定地域における地震災害防災を検討する場合に, サイスミックゾネーションマップが重要な資料となる. しかし, 沖縄県のような島嶼地域特有の小地形を考慮する必要がある場合には, 従来利用されてきたマップメッシュの妥当性及び細分化の検討が必要となる. その細分化によるマップメッシュの増大に伴い, 必要とされる地盤情報も増大する. したがって, 地盤情報に関する資料不足が問題となることが想定される. そこで, 本研究では, 地形分類図および過去の地盤情報について統計処理した結果を利用することで, これらの資料不足に対する補完手法を提案するものである.


Journal of Structural Engineering-asce | 1983

LATERAL LOAD EFFECT ON LOAD CARRYING CAPACITY OF STEEL ARCH BRIDGE STRUCTURES

Tetsuya Yabuki; Sriramulu Vinnakota; Shigeru Kuranishi


Doboku Gakkai Ronbunshu | 1989

A PROVISION ON INTERMEDIATE DIAPHRAGM SPACING IN CURVED STEEL-PLATED BOX-BRIDGE-GIRDERS

Tetsuya Yabuki; Yasunori Arizumi


Journal of Structural Engineering-asce | 1986

Fixed-End Restraint Effect on Steel Arch Strength

Tetsuya Yabuki; Sriramulu Vinnakota; Shigeru Kuranishi


Journal of Structural Engineering-asce | 1995

Strength of Thin-Walled Box Girders Curved in Plan

Tetsuya Yabuki; Yasunori Arizumi; Sriramulu Vinnakota


Doboku Gakkai Ronbunshu | 1994

ULTIMATE STRENGTH AND ITS PRACTICAL EVALUATION oF CYLINDRICAL STEEL SHELL PANELS UNDER VARIOUS COMPRESSIONS

Tetsuya Yabuki; Yasunori Arizumi; Shigeru Yashiro


Journal of Structural Engineering-asce | 2005

Nonlinear Effect on Instability of Steel Columns under Dynamic Axial Loads

Tetsuya Yabuki; Yasunori Arizumi; Fumishige Akamine; Le-Wu Lu


Doboku Gakkai Ronbunshu | 1987

AN ULTIMATE STRENGTH DESIGN AID FOR FIXED-END STEEL ARCHES UNDER VERTICAL LOADS

Tetsuya Yabuki; Le-Wu Lu; Shigeru Kuranishi


Journal of Structural Engineering-asce | 1984

Lateral Load Effect on Steel Arch Bridge Design

Shigeru Kuranishi; Tetsuya Yabuki

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Masayuki Tai

University of the Ryukyus

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Chitoshi Miki

Tokyo Institute of Technology

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