NUMERICAL SIMULATION OF MODEL TESTS OF PIER-SHALLOW FOUNDATION SYSTEMS SUBJECTED TO EARTHQUAKE LOADS USING AN ELASTO-UPLIFT-PLASTIC MACRO ELEMENT

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概要

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• A dynamic analysis model for the nonlinear behavior of a shallow foundation subjected to seismic loads is developed. A macro-element approach is revised assuming elasto-uplift-plastic behavior, in which uplifting and coupling effects of vertical, horizontal, and moment loads are taken into account. Large-scale shake table experiments of model pier footings are also conducted and simulated using the revised macro-element model. The numerical result reveals that the shape of the hysteresis loops for coupled load-displacement relationships is predicted very well, including the effects of uplift. In addition, the revised model can account for settlement with some inclination that has accumulated during the excitation.

• 社団法人地盤工学会の論文

著者

• Di Prisco

  Dipartimento Di Ingegneria Strutturale Politecnico Di Milano

• Fukui Jiro

  Advanced Construction Technology Center

• SHIRATO MASAHIRO

  Center for Advanced Engineering Structural Assessment and Research, Public Works Research Institute

• KOUNO TETSUYA

  Center for Advanced Engineering Structural Assessment and Research, Public Works Research Institute

• NAKATANI SHOICHI

  Management System and Substructures, Center for Advanced Engineering Structural Assessment and Resea

• PAOLUCCI ROBERTO

  Dipartimento di Ingegneria Strutturale, Politecnico di Milano

• NOVA ROBERTO

  Dipartimento di Ingegneria Strutturale, Politecnico di Milano

• Nova Roberto

  Dipartimento Di Ingegneria Strutturale Politecnico Di Milano

• Kouno Tetsuya

  Center For Advanced Engineering Structural Assessment And Research Public Works Research Institute

• Nakatani Shoichi

  Bridge Management Technology And Substru Ctures Center For Advanced Engineering Structural Assessmen

• Shirato Masahiro

  Center For Advanced Engineering Structural Assessment And Research Public Works Research Institute

• Paolucci Roberto

  Dipartimento Di Ingegneria Strutturale Politecnico Di Milano

関連論文

• LARGE-SCALE EXPERIMENTS ON NONLINEAR BEHAVIOR OF SHALLOW FOUNDATIONS SUBJECTED TO STRONG EARTHQUAKES
• NUMERICAL SIMULATION OF MODEL TESTS OF PIER-SHALLOW FOUNDATION SYSTEMS SUBJECTED TO EARTHQUAKE LOADS USING AN ELASTO-UPLIFT-PLASTIC MACRO ELEMENT
• LARGE-SCALE SHAKE TABLE EXPERIMENT AND NUMERICAL SIMULATION ON THE NONLINEAR BEHAVIOR OF PILE-GROUPS SUBJECTED TO LARGE-SCALE EARTHQUAKES
• CURRENT STATUS OF DUCTILITY DESIGN OF ABUTMENT FOUNDATIONS AGAINST LARGE EARTHQUAKES
• EFFECTS OF STRESS-DILATANCY BEHAVIOR OF SOIL ON LOAD TRANSFER HYSTERESIS IN SOIL-PILE INTERACTION
• A NEW NONLINEAR HYSTERETIC RULE FOR WINKLER TYPE SOIL-PILE INTERACTION SPRINGS THAT CONSIDERS LOADING PATTERN DEPENDENCY

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