[OS-46] Modelling for liquefaction mitigation

Fri. May 10, 2024 2:00 PM - 3:30 PM Room E (10F 1009)

Chairperson: Masahide Otsubo (Port and Airport Research Institute)

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2:00 PM - 2:12 PM

[OS-46-01] A numerical short study of local ground deformation around statistically penetrated shaft

*Masataka Shiga¹, Takashi Kiyota² (1. Nagaoka University of Technology, 2. Institute of Industrial Science)

2:12 PM - 2:24 PM

[OS-46-02] Centrifugal and Numerical Modeling of Seismic Behavior of Pile Foundation in Layered Ground of Dense and Cemented Sand

*Takaaki Kobayashi¹, Ikki Kato², Makoto Ishimaru³, Masahiro Sawatsubashi³, Kenji Hiraga⁴, Katsuya Yokota⁵ (1. Kajima Corporation, 2. Obayashi Corporation, 3. Central Research Institute of Electric Power Industry, 4. Civil Engineering Research and Environmental Studies, 5. Kansai Electric Power)

2:24 PM - 2:36 PM

[OS-46-03] Development of a simplified method for the assessment of liquefaction mitigation via vertical gravel drains

Gabriele Boccieri¹, Domenico Gaudio², Riccardo Ronci³, *Riccardo Conti³ (1. Università di Roma Niccolò Cusano, 2. Sapienza Università di Roma, 3. Università degli Studi di Roma Tor Vergata)

2:36 PM - 2:48 PM

[OS-46-04] Dynamic effective stress analysis of centrifuge tests on pile foundations and liquefaction countermeasure utilizing sand compaction

*Hajime Iwai¹, Keita Shibata¹, Hiroki Uno¹, Hideki Funahara¹, Tomoaki Suzuki², Takayuki Ishida² (1. TAISEI Corporation, 2. ARK Information Systems)

2:48 PM - 3:00 PM

[OS-46-05] Comparison of two numerical analysis codes for modelling of shallow foundations on liquefiable soil

Eva Brunschweiler¹, *Konstantinos Kassas¹, Ioannis Anastasopoulos¹ (1. ETH Zurich)

3:00 PM - 3:12 PM

[OS-46-06] Centrifuge model tests concerning effect of gravel drains as liquefaction countermeasures to reduce embankment settlement against large earthquake ground motion and back-calculation using ALID

*Masanori Ishihara¹, Yudai Aoyagi¹, Ryo Maruta¹, Tetsuya Sasaki¹ (1. Public Works Research Institute)

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