THREE-DIMENSIONAL DEM SIMULATION OF SHAKING TABLE TESTS OF FULL-SCALE MASONRY STONE WALLS BY AGGREGATE ELEMENTS

DOI Web Site 7 References
  • MORITA Taisei
    大日本ダイヤコンサルタント株式会社 インフラ技術研究所 DX推進室
  • OTSUKA Mamoru
    東電設計株式会社 土木本部 耐震技術部 設計高度化グループ
  • SAKAI Hisakazu
    法政大学 デザイン工学部 都市環境デザイン工学科
  • ONO Yusuke
    鳥取大学大 工学部 社会システム土木系学科
  • HASHIMOTO Takao
    国士舘大学 理工学部まちづくり学系
  • NAKAZAWA Hiroshi
    静岡理工科大学 理工学部 土木工学科
  • IKEMOTO Toshikazu
    金沢大学 理工研究域 地球社会基盤学系

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Other Title
  • 集合体モデルを用いた3次元DEMによる実物大石垣の大型振動台実験の数値シミュレーション

Abstract

<p> This study aims to validate the seismic deformation analysis for masonry stone walls using the 3D discrete element method. First, two additional cases of inclination tests with small masonry brick stone walls were conducted as a continuation to a previous study. Numerical simulations with reexamined analytical parameters were performed to reproduce the deformations of bricks and backfill cobblestones in the previous cases as well as the additional ones. The results confirmed the validity of the models constructed with spherical clump elements. Next, the spherical clump models were used to conduct numerical simulations for shaking table tests of full-scale masonry stone walls. The results showed that the deformation of masonry stone walls was well-reproduced. Furthermore, the effects of anchors were also quantitatively examined. These results confirm the validity of the deformation analysis used in this study for the dynamic behaviour of masonry stone walls subjected to earthquake ground motion.</p>

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