Investigations of the Three-Dimensional Constitutive Equations for Sand Used in Analyses on Lateral Behavior of Single Pile

A Wakai, K Ugai - Doboku Gakkai Ronbunshu, 1998 - jstage.jst.go.jp
抄録 砂地盤中に立込まれた単杭の室内水平載荷実験結果を 3 次元弾塑性 FEM
により予測することを試みた. 砂地盤は弾完全塑性体と仮定し, 降伏規準と塑性ポテンシャルを変え …

Slope Stability Analysis with Rigid-Plastic Finite Element Method

S OHTSUKA, Y MIYATA, H IKEMOTO, T IWABE - Landslides, 2001 - jstage.jst.go.jp
Rigid plastic finite element method was formulated for slope stability assessment by
introducing the shear strength reduction coefficient to define the factor of safety used in …

Localized necking behavior of steel under tension state using a three-dimensional plastic instability analysis

S OKAZAWA, T USAMI, H NOGUCHI… - Doboku Gakkai …, 2000 - jstage.jst.go.jp
抄録 引張力が作用する鋼材において, 塑性不安定現象により発生する破断直前の局部くびれ挙動
を弾塑性分岐解析を用いてシミュレートする. 従来の平面ひずみ状態の解析では …

Plastic instability mechanism in tensile metal specimens

S Okazawa, M Fujikubo - Journal of the Society of Naval Architects of …, 2002 - jstage.jst.go.jp
The plastic instability mechanism in tensile metal specimens, which influences mechanical
properties of structural members, is presented. A material instability criterion for a finite …

A finite element of composite materials by an analytical homogenization with a debonding model

ND SINH, I SAIKI, T IWAKUMA - Journal of applied mechanics, 2007 - jstage.jst.go.jp
Application of composites in civil engineering, such as repair of bridges and piers by
graphite-epoxy composites, is growing rapidly. One of the problems in strength of composite …

A simple model of progressive debonding and a finite element of composite materials

Y KAWARA, K YATAGAI, S KOYAMA… - Journal of applied …, 2006 - jstage.jst.go.jp
Partial debonding along interface of inclusions becomes an important problem in the initial
stage of fracture phenomena of composite materials. We here employed a debonding model …

Identification of Elastic-Plastic-Creep Constitutive Equation for Lead-Free Solder Bump Using Shearing Test and Computational Simulation

Y MOMONOI, M SETO, I KUZUHARA… - Journal of The Japan …, 2001 - jstage.jst.go.jp
抄録 近年, 環境保護の観点から注目されている鉛フリーはんだバンプの実装設計において,
欠くことができないバンプの弾塑性クリープ構成則を同定するために, 走査型電子顕微鏡下で …

Rigid-Plastic FEM for Reinforced Soil Structure Considering Effects of Tensile Strength of Reinforcements

Y MIYATA, S SHIGEHISA - Doboku Gakkai Ronbunshu, 2003 - jstage.jst.go.jp
抄録 補強土構造物を対象にした剛塑性有限要素法を定式化し, 補強効果について解析的に検討
した. 提案する解析法は, 土のせん断強さの拘束圧依存性とダイレイタンシー特性に加え補強材の …

A Study on Collapse of Ground Materials in Compression

M Kikkawa, T Nishioka - PROCEEDINGS OF TUNNEL …, 1998 - jstage.jst.go.jp
The generation mechanism of shear zone in ground materials under compression is
discussed theoretically. Mohr-Coulomb's yield condition and non-associated flow rule are …

Visco-elastic Analysis of Asphalt Concrete based on Homogenization Theory using Laplace Transform

T UO, K KASHIYAMA, K TERADA - Journal of applied mechanics, 1998 - jstage.jst.go.jp
抄録 The homogenization method is applied to characterize the quasi-static behaviors of
asphalt concrete. The macroscopic material properties of asphalt concrete are obtained by …