Search Results 1-20 of 1433

  • BUCKLING BEHAVIOR OF H-SHAPED BEAM WITH CONTINUOUS RESTRAINT INSTALLED TRANSVERSE STIFFENERS AND METHOD FOR DECIDING STIFFENING POSITION  [in Japanese]

    井川 直大 , 五十嵐 規矩夫 , 三井 和也

    日本建築学会構造系論文集 85(777), 1491-1501, 2020-11

  • A STUDY ON BUCKLING STRENGTH OF TIMBER MATERIALS(PART 1)EVALUATION OF ELASTIC BUCKLING STRENGTH  [in Japanese]

    神戸 渡 , 井道 裕史 , 野田 康信 , 鈴木 賢人

    日本建築学会構造系論文集 85(777), 1457-1467, 2020-11

  • BUCKLING STRENGTH OF LATTICED DOMES OF GRID-PURLIN WITH BEAMS  [in Japanese]

    TERAZAWA Yuki , SUMA Koichi , IWANAGA Masanobu , MAEHARA Satoshi , TAKEUCHI Toru

    … <p>Grid-purlin system composed of RHS members are known to be effective to prevent buckling of the welded beams. … The linear, elastic, and elasto-plastic buckling strength of Grid purlin shell domes are analyzed using detailed FEM analyses. …

    AIJ Journal of Technology and Design (64), 899-904, 2020-10

    J-STAGE  AIJ 

  • EVALUATION METHOD OF ULTIMATE STRENGTH FOR L-SHAPED BEAM-TO-COLUMN JOINT PANELS COMPOSED WITH I-SHAPED MEMBERS  [in Japanese]

    IKARASHI Kikuo , UTSUKI Yuichi , MITSUI Kazuya , MAKINO Yuta , YAMADA Kaoru

    … In L-shaped joint panels (hereinafter referred to as panels), because a tensile field is formed after buckling occurs due to shear force, the resistance after buckling increases, and the stable behavior is expected. … In the elasto-plastic range, it is essential to understand the properties of the tension field that determines the ultimate state because the overstrength is greatly affected by the buckling strength of the panel web and the tension field. …

    Journal of Structural and Construction Engineering (Transactions of AIJ) (774), 1079-1089, 2020-08

    J-STAGE  AIJ  AIJ 

  • BUCKLING BEHAVIOR OF WEB STIFFENED BY LONGITUDINAL STIFFENERS AND DESIGN METHOD FOR LONGITUDINAL STIFFENERS  [in Japanese]

    IKARASHI Kikuo , IGAWA Naoki , YANAGISHITA Yoshihiro , MITSUI Kazuya

    … Installing stiffeners on the web as a reinforcement is one of the effective methods to prevent the local buckling of the beam members and to increase the buckling strength. … From calculation results, the stiffener size effect on the increase rate of local buckling strength has been confirmed. …

    Journal of Structural and Construction Engineering (Transactions of AIJ) (773), 957-967, 2020-07

    J-STAGE  AIJ 

  • Understanding of the role of dilution on evaporative deposition patterns of blood droplets over hydrophilic and hydrophobic substrates

    R. Iqbal , Amy Q. Shen , A.K. Sen

    … Using Griffith's energy criterion, we show that crack formation takes place when the capillary pressure and the resulting compressive stress inside the evaporating droplet exceeds critical stress which depends on the elastic modulus, interfacial energy, and the particle concentration of the system. … For the hydrophobic substrate, buckling instead of cracking is observed for the whole blood droplets, which can be attributed to the distinct wetting and evaporation kinetics. …

    Journal of Colloid and Interface Science (579), 541-550, 2020-06-12

    IR 

  • Elastic Buckling Analysis of a Slender Column Using Isogeometric Analysis and H-Refinement

    TheinLinAung , Ma Ninshu

    日本船舶海洋工学会講演会論文集 Conference proceedings, the Japan Society of Naval Architects and Ocean Engineers (30), 439-443, 2020-05

  • TOPOLOGY OPTIMIZATION OF LARGE DEFORMABLE ELASTIC PLATES  [in Japanese]

    SAWADA Kiichiro

    … However, brace members have a possibility that buckling or yielding occur in early stage under major earthquakes. … In 2016 Kumamoto earthquake, tensile fractures and buckling residual deflection for braces were observed. … There are a lot of studies to improve hysteresis property of braces, i.e. NC braces, buckling restrained braces and metallic yielding damper braces. …

    Journal of Structural and Construction Engineering (Transactions of AIJ) (771), 683-692, 2020-05

    J-STAGE  AIJ 

  • ELASTIC SHEAR BUCKLING STRENGTH OF L-SHAPED BEAM-TO-COLUMN JOINT PANELS COMPOSED WITH I-SHAPED MEMBERS  [in Japanese]

    IKARASHI Kikuo , UTSUKI Yuichi , MITSUI Kazuya

    … In particular, it is not clear that the influencing factors on the buckling strength. … Therefore, it is important to clarify the structural performance of the panels in the current design procedure that allows the plasticization of the joint panels.</p><p> The purpose of this study is to establish a buckling strength evaluation formula for the panels employed in steel structures such as factories and warehouses. …

    Journal of Structural and Construction Engineering (Transactions of AIJ) (771), 759-769, 2020-05

    J-STAGE  AIJ 

  • STUDY ON STRUCTURAL CHARACTERISTICS OF FOLDED BRACE:Investigation of increase of axial yield displacement and buckling restraint effect  [in Japanese]

    HADA Masaya , TAKEUCHI Kenichi , KITAJIMA Keiji , NAKANISHI Mitsukazu

    Elastic limit deformation can be controlled arbitrarily by varying the length or frequency of folding even in cases where the material strength is at the level in ordinary steel. … Also, the folded brace has a buckling restraining effect. …

    Journal of Structural and Construction Engineering (Transactions of AIJ) (769), 373-381, 2020-03

    J-STAGE  AIJ 

  • STUDY ON ULTIMATE STRENGTH AND DEFORMATION CAPACITY OF CONFINED STEEL PANELS  [in Japanese]

    TAKEUCHI Takashi , SUN Yuping

    … Thirty one 1/2-scale and/or 1/4-scale specimens were made and tested under reversed cyclical lateral loading, with the size, the thickness and the type of steel plates, the thickness of PP plates, and the loading program as main experimental variables.</p><p> Test results have indicated that when confined by PP plates thick enough to prevent the panel from out-of-plane buckling, the steel panels exhibited high lateral resistance and sound energy absorption performance until the drift angle of 0.07 rad without resistance degradation. …

    Journal of Structural and Construction Engineering (Transactions of AIJ) (768), 263-273, 2020-02

    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

    … In order to prevent the overall buckling, some stiffeners are welded on the shear wall in front and back cross arrangement. … It is assumed that the buckling behavior of those steel shear walls are greatly affected by the surrounding frame member. …

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

    J-STAGE  AIJ 

  • Modeling of elastic lamina buckling coupled with smooth muscle layer deformation in the aortic media: technique for readily implementing residual stresses

    TAMURA Atsutaka , KATO Yuya , MATSUMOTO Koki

    … aortic wall thickening is a mechanical adaptation to the prolonged increase in intravascular pressure resulting from hypertension, which is mainly regulated by primary components of the aortic media, the elastic lamina (EL) and the smooth muscle-rich layer (SML). …

    Journal of Biomechanical Science and Engineering 15(4), 20-00324-20-00324, 2020

    J-STAGE 

  • W-04 Developing a Kit for Experiential Understanding of the Buckling Mechanism

    ARIMOTO Kyozo , FREDRIKSSON Claes

    Buckling may occur in slender columns and members subjected to compressive loads, or vessels and pipes subjected to external pressure for instance. … The criteria for buckling have been determined based on the results of many years of research. … However, students and engineers hardly experience buckling phenomena in labs since buckling tests on materials are not as established as tensile tests and hardness tests. …

    JSEE Annual Conference International Session Proceedings 2020(0), 17-23, 2020

    J-STAGE 

  • Effect of Ridgeline Radius on the Maximum Bending Moment of Thin-walled Square Tubes  [in Japanese]

    Abe Masahiko , Aito Takahiro , Kanno Ryoichi

    … The buckling behavior of square tubes with ridgelines was studied by pure bending analysis. … The increase in ridgeline radius R leads to the increase in maximum bending moment M<sub>max</sub>, which is resulted from the suppression of elastic buckling. …

    Transactions of Society of Automotive Engineers of Japan 51(5), 806-811, 2020

    J-STAGE 

  • Numerical Simulation for Packaging Products  [in Japanese]

    Kobayashi Takao

    … In this report, we introduce paper mechanical models required for numerical simulation of packaging products and specific application examples.</p><p>Since paper has properties such as an elastic body, an elastic–plastic body, and a viscoelastic body, a mechanical model may be appropriately selected and handled approximately according to the target case. …

    JAPAN TAPPI JOURNAL 74(4), 320-324, 2020

    J-STAGE 

  • CYCLIC LOADING TESTS OF BUCKLING-RESTRAINED BRACES WITH POST-TENSIONED CABLES  [in Japanese]

    INANAGA Shogo , ATASEVER Kurtulus , TERAZAWA Yuki , CELIK Oguz C. , TAKEUCHI Toru

    … <p> Buckling-restrained braces (BRBs) pose predictable and stable hysteretic behavior with excellent energy dissipation capacity. … In all specimens, CFCCs remained elastic until the core plate has fractured.</p><p> 4) A numerical model of PT-BRB is constructed by connecting the Core, Inner Tube, Outer Tube and CFCC as individual element with contact element. …

    Journal of Structural and Construction Engineering (Transactions of AIJ) 85(772), 821-831, 2020

    J-STAGE 

  • Applicability of the calculation formula of dynamic bearing capacity and the dynamic load test for the small diameter steel pipe pile constructed by rotary penetration  [in Japanese]

    ARIKI Takaaki

    … In this dynamic load test set so that the impact energy does not exceed the buckling stress of the small diameter steel pipe pile, the characteristics such as the yield and elastic return of the ground in the static axial compressive loading test were largely reproduced, and the upper limit of the estimated ultimate bearing capacity generally satisfied the target for this pile. …

    Japanese Geotechnical Journal 15(1), 103-118, 2020

    J-STAGE 

  • Effects of Temperature and Phase Transformation on Post-buckling Behavior of Non-oriented Electric Steel during Hot Finishing Rolling

    Liu Chao , He Anrui , Mi Zhenli , Sun Wenquan , Song Yong

    … <p>The traditional buckling model is based on the assumption of homogeneous material. … In order to study the effect of inhomogeneous material on the post-buckling behavior of strip, the relationships between tangent modulus and temperature in the austenite region and ferrite region are firstly obtained by hot compression experiments. … Finally, the large deflection theory of thin plate is modified, and the elastic modulus constant is replaced by the distribution function of tangent modulus. …

    ISIJ International 60(2), 318-323, 2020

    J-STAGE 

  • EFFECT OF WARPING RESTRAINT OF BEAMS TO COLUMN JOINT ON LATERAL BUCKLING BEHAVIOR FOR H-SHAPED BEAMS WITH CONTINUOUS BRACES UNDER GRADIENT FLEXURAL MOMENT  [in Japanese]

    KIMURA Yoshihiro , MIYA Mutsumi

    … Long span beams may not possess the plastic strength due to lateral buckling, so that many lateral braces along the beams should be set up to prevent the lateral bucking deformation (AIJ 2010). … Most of beams in frames are connected by continuous braces such as folded-roof plates, which are effective to prevent the lateral buckling of beams. …

    Journal of Structural and Construction Engineering (Transactions of AIJ) (766), 1601-1611, 2019-12

    J-STAGE  AIJ 

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