Search Results 1-20 of 14254

  • DESIGN METHOD FOR POST-TENSIONED TIMBER SHEAR WALL(PART 1)TRIANGULAR EMBEDMENT STIFFNESS AND BEHAVIOR IN ELASTIC RANGE  [in Japanese]

    長島 泰介 , 立花 和樹 , 矢野 正敬 , 大橋 好光

    日本建築学会構造系論文集 85(770), 539-549, 2020-04

  • A STUDY ON THE REDUCTION OF PROOF STRESS BY SMALL OPENING OF EQUIPMENT FOR CLT PANEL  [in Japanese]

    佐藤 基志 , 田中 圭 , 新津 靖 , 五十田 博 , 中川 貴文 , 三宅 辰哉

    日本建築学会構造系論文集 85(770), 521-527, 2020-04

  • ULTIMATE SHEAR STRENGTH OF INCLINED HEADED STUDS  [in Japanese]

    SADASUE Kazushi , OGOMORI Hideki

    … <p> Headed studs are widely used as shear connecters between steel and concrete. … However, if we expect the shear resistance in headed studs, the resistance mechanism is changed such that the headed stud is subject to a force (either tensile or compressive) along the axial direction of the stud, which is predicted to produce considerable resistance. …

    Journal of Structural and Construction Engineering (Transactions of AIJ) (769), 403-413, 2020-03

    J-STAGE  AIJ 

  • ELASTIC SHEAR STIFFNESS OF COLUMNS WITH WING WALLS AND BEAMS WITH SPANDREL WALLS  [in Japanese]

    TAKAHASHI Susumu

    … However, elastic shear stiffness, which is necessary for constructing a model of structural members, of columns with wing walls and beams with spandrel walls had been investigated only limited conditions such as a column with same length wing walls on both sides. …

    Journal of Structural and Construction Engineering (Transactions of AIJ) (769), 367-372, 2020-03

    J-STAGE  AIJ 

  • Toughening of Epoxy Resins and Carbon Fiber-Reinforced Plastics (CFRPs)with Core-Shell Particles Containing Epoxy Functional Groups  [in Japanese]

    川内 崇弘 , 米田 航 , 山口 綾香 , 橋本 保 , 漆﨑 美智遠 , 阪口 壽一 , 川邊 和正 , 近藤 慶一 , 伊與 寛史

    … The addition of the core-shell particles decreased the interfacial shear strength (IFSS) between the cured epoxy droplet and a carbon fiber in the measurement by the micro-droplet method, but an increase in the epoxy content of the core-shell particles increased IFSS. …

    福井大学 大学院工学研究科 研究報告 (68), 87-94, 2020-03

    IR 

  • Acoustic Damping Characterization and Microstructure Evolution during Creep of a Martensitic Stainless Steel  [in Japanese]

    大谷 俊博

    … とがわかった.そのことは透過型電子顕微鏡による転位組織の観察から裏づけられた.弦モデルにより,超音波減衰・音速と転位組織の変化を対応つけられた.EMAR法は金属材料のクリープ損傷評価と寿命予測を行える可能性を持っている.Creep-induced microstructural evolution of a martensitic stainless steel, JIS-SUS403, subjected to tensile creep at 873 K, was studied by monitoring the shear-wave attenuation and the velocity using electromagnetic acoustic resonance …

    湘南工科大学紀要 = Shonan Institute of Technology journal 54(1), 1-8, 2020-03

    IR 

  • High- and low-stress subduction zones recognized in the rock record

    Ishii Kazuhiko , Wallisb Simon R.

    Earth and Planetary Science Letters. 2020, 531, P.115935[1]-115935[10]

    Earth and Planetary Science Letters (531), 115935[1]-115935[10], 2020-02-01

    IR 

  • ELEMENTAL EXPERIMENT OF DISK SHEAR-KEY UNDER TENSILE FORCE AND SHEAR FORCE AND ITS SHEAR STRENGTH EVALUATION:Stress transmission mechanism and mechanical behavior of the joints for external seismic retrofitting : Part 2  [in Japanese]

    ISHIDA Yutaro , SAKATA Hiroyasu , TAKASE Yuya , MAIDA Yusuke , SATO Takumi , KUBOTA Masaharu

    … <p> The disk shear-key is a composite shear resistance system composed of a steel disk and an anchor bolt. … The disk shear-key has high stiffness and shear strength as compared with a general post-installed anchor. … In the previous study, it is suggested that the expected shear strength can not be demonstrate when tensile force acts on the disk shear-key. …

    Journal of Structural and Construction Engineering (Transactions of AIJ) (768), 251-261, 2020-02

    J-STAGE  AIJ 

  • NUMERICAL SIMULATIONS OF STEEL FLOOR STRUCTURES CONSIDERING LARGE DEFORMATIONS UNDER ELEVATED TEMPERATURES IN FIRES  [in Japanese]

    TAKAGI Jiro , KAWAI Yu , MAKIUCHI Toshiki

    … The simulated stress of the reinforcement significantly increased in the center and corners of the slab, where the slab cracked and ruptured in the experiment.</p><p> 3) Shear failure of high-strength bolts is a major failure mode of simple bolted connections in fires. … The inelastic shear force displacement relationships at elevated temperatures are defined by reviewing the existing experimental data and are applied for the springs of bolts. …

    Journal of Structural and Construction Engineering (Transactions of AIJ) (768), 287-297, 2020-02

    J-STAGE  AIJ 

  • SHEAR RESISTANCE MECHANISMS OF HIGH-PANELIZED SHEET WALLS WITH BURRING HOLES:Shear stiffness and large deformation behavior  [in Japanese]

    KAWAI Yoshimichi , TOHNAI Shigeaki , KAIBARA Hiroyuki , SATO Atsushi , ONO Tetsuro

    … <p> High-panelized steel sheet shear walls with cold formed edge stiffened burring holes are applied to flat offices, stores, and warehouses in seismically active and typhoon or hurricane prone regions. … A 3.53~4.53 m long × 0.455 m wide sheet containing the vertically aligned burring holes (dia.: 200mm) with a pitch of 320mm is hot-dip zinc–alumi–magnesium alloy-coated steel (nominal yield stress: 295N/mm2, thickness: 1.2mm). …

    Journal of Structural and Construction Engineering (Transactions of AIJ) (768), 275-285, 2020-02

    J-STAGE  AIJ 

  • EARTHQUAKE RESPONSE ANALYSIS OF STEEL ROOF GYMNASIUMS CONSIDERING NONLINEAR RESTORING FORCE CHARACTERISTICS OF LOWER STRUCTURE AND ROOF BEARINGS  [in Japanese]

    WATANABE Shunya , YAMASHITA Tetsuo

    … In this study, we firstly propose a nonlinear model of the restoring force characteristics of the conventional roof bearings based on the results of cyclic shear loading tests of bearings in Reference 6, 7).</p><p> The skeleton curve between the shear bearing force and the displacement of the base plate can be expressed in 4 stages. … In the stage 1, the shear force increases with very high stiffness until the maximum static friction force. …

    Journal of Structural and Construction Engineering (Transactions of AIJ) (768), 209-218, 2020-02

    J-STAGE  AIJ 

  • SIMPLIFIED EVALUATION OF MEMBER FORCE FOR WOODEN HORIZONTAL HYBRID STRUCTURE CONSIDERING NONLINEARITY OF WOODEN ELEMENTS:Study on dynamic behavior of wooden horizontal hybrid structure : Part3  [in Japanese]

    YAMAZAKI Yoshihiro , SAKATA Hiroyasu

    … Since it involves stiff cores, most of seismic force acting on wooden parts is sustained by the cores, and wide open space with less shear walls is realized. … However, such force transmission complicates the displacement mode as well as the stress distribution in the structure. … Although the model can simulate displacement mode of horizontal hybrid structure having various arrangement of shear walls, the structure is assumed to be linearly elastic. …

    Journal of Structural and Construction Engineering (Transactions of AIJ) (768), 241-250, 2020-02

    J-STAGE  AIJ 

  • Hyaluronic Acid Hydrogel Crosslinked with Complementary DNAs

    Satoshi Fujita , Saeri Hara , Akari Hosono , Shinji Sugihara , Hideyuki Uematsu , Shin-ichiro Suye

    … Shearing stress was applied to mix these DNA-conjugated HA solutions. … The gel thus obtained would be facile to handle as an injectable gel that gains its structural properties from the shear stress applied through injection with a needle. …

    Advances in Polymer Technology (2020), 2020-01-03

    IR 

  • ESTIMATION METHOD OF SHEAR STRENGTH FOR A SEMI-RIGID TIMBER FRAME WITH PLYWOOD WALL  [in Japanese]

    SAKAMAKI Yoshio , KAGAWA Keisuke , MICHIBA Nobuyoshi , MAKITA Tsuyoshi , TAKANASHI Seiji , OHASHI Yoshimitsu

    … <p> Herein, the stress of a wooden semi-rigid frame containing structural plywood that is used to secure rigidity has been elucidated via static racking tests and numerical simulations. … In our previous report, the stress in such a case was determined. …

    Journal of Structural and Construction Engineering (Transactions of AIJ) (767), 73-83, 2020-01

    J-STAGE  AIJ 

  • FLEXURAL STRENGTH OF THE STRENGTH-DUCTILITY TYPE SEISMIC RETROFIT TECHNIQUE OF RC COLUMNS USING PC BAR PRESTRESSING AND STEEL PLATES  [in Japanese]

    NAKADA Kozo , YAMAKAWA Tetsuo , JAVADI Pasha , NOORI Mohammad Zahid , KANEDA Kazuo

    … Furthermore, they can serve for shear strengthening and confinement of RC columns after hardening of additional concrete. … Assuming the location of the neutral axis depth, a generalized equation is obtained based on the equivalent rectangular stress block parameters for concrete in compression that is adopted by the American Concrete Institution (ACI). … The stress-strain model of concrete in the fiber model analysis is considered as Monder's model<sup>11)</sup>. …

    Journal of Structural and Construction Engineering (Transactions of AIJ) (767), 97-104, 2020-01

    J-STAGE  AIJ 

  • EFFECT OF SURROUNDING FRAME MEMBERS ON BUCKLING BEHAVIOR OF STEEL SHEAR WALL RESTRAINED BY STIFFENER  [in Japanese]

    IKARASHI Kikuo , SHIMOMURA Hayato , YASUNAGA Jumpei , UEKI Takuya , ONO Junichiro , OHYAMA Tatsuya

    … <p> The steel shear wall is the one of the seismic resistance devices which are installed in the frame of building to improve the horizontal stiffness and strength. … Shear force is loaded on the steel plate shear wall when the horizontal force acts the building. … In order to prevent the overall buckling, some stiffeners are welded on the shear wall in front and back cross arrangement. …

    Journal of Structural and Construction Engineering (Transactions of AIJ) (767), 141-150, 2020-01

    J-STAGE  AIJ 

  • Reducing Cracking in Solder Joint Interfacial Cu<sub>6</sub>Sn<sub>5</sub> with Modified Reflow Profile

    Somidin Flora , McDonald Stuart David , Ye Xiaozhou , Qu Dongdong , Sweatman Keith , Akaiwa Tetsuya , Nishimura Tetsuro , Nogita Kazuhiro

    … IMC layer and this resulted in improved resistance of the reflowed solder ball to failure in high speed impact shear when the distribution of stress tends to favor crack propagation though the interfacial IMC rather than through the bulk solder.</p> …

    Transactions of The Japan Institute of Electronics Packaging 13(0), E19-004-1-E19-004-11, 2020

    J-STAGE 

  • Complex viscosity of dilute capsule suspensions: a numerical study

    MATSUNAGA Daiki , IMAI Yohsuke

    … <p>In this paper, we apply an oscillating shear flow to a dilute capsule suspension and report its viscoelastic properties. … monotonically decreases with the frequency of the applied oscillating shear, while the imaginary part <i>η′′</i> … In order to separately discuss the contributions of the membrane elasticity and internal fluid viscosity, we analyse the first term and second term of the particle stress tensor. …

    Journal of Biomechanical Science and Engineering, 2020

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  • Non-Basal Dislocation Nucleation Site of Solid Solution Magnesium Alloy

    Somekawa Hidetoshi , Basha Dudekula Althaf , Singh Alok , Tsuru Tomohito , Yamaguchi Masatake

    … By comparison of material factors of binary alloy, the alloying elements having low critical resolved shear stress (CRSS) of non-basal plane and large grain boundary (twin boundary) segregation energy led to activation of non-basal dislocations in the vicinity of grain boundaries. …

    MATERIALS TRANSACTIONS 61(6), 1172-1175, 2020

    J-STAGE 

  • A Parametric Study of a Multi-Slot Air Knife for Coating Thickness Reduction

    Yahyaee soufiani Ali , Mcdermid Joseph Robert , Hrymak Andrew Nick , Goodwin Frank Erik

    … Numerical simulations of multi-slot jet wiping were also performed under the same operating conditions using computational fluid dynamics modeling to estimate the pressure and shear stress profiles along with analytical models of the coating thickness to compare with the experimental measurements.</p><p>It was observed that the experimental measurements, under different operating conditions for the multi-slot air knives, agreed with the coating weight predictions of analytical models available from the literature. …

    ISIJ International 60(5), 1040-1051, 2020

    J-STAGE 

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