Liquefaction mitigation technique by using horizontal slab and grid-form deep mixing walls

M. M.P. Phyo, H. Hazarika, H. Kaneko, T. Akagawa

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

In Japan, a grid-form deep mixing wall method has been frequently used for many construction sites to prevent liquefaction. However, the effect of control on the amount of settlement and lateral displacement is still uncertain due to the effect of the variation of the distance between the walls, wall thickness and ground improvement by vertical and horizontal confinement. To understand the effectiveness of such configurations in liquefaction prevention, the different ground improvement cases of dynamic numerical analyses were performed using PLAXIS 2D software. As a new liquefaction mitigation technique, the effect of the grid-form with additional horizontal slab was introduced in this paper. In conclusion, based on numerical simulation results, it can be deduced that ground displacements are significantly influenced by wall spacing ratio, wall thickness and horizontal slab.

Original languageEnglish
Title of host publicationEarthquake Geotechnical Engineering for Protection and Development of Environment and Constructions- Proceedings of the 7th International Conference on Earthquake Geotechnical Engineering, 2019
EditorsFrancesco Silvestri, Nicola Moraci
PublisherCRC Press/Balkema
Pages4455-4463
Number of pages9
ISBN (Print)9780367143282
Publication statusPublished - Jan 1 2019
Event7th International Conference on Earthquake Geotechnical Engineering, ICEGE 2019 - Rome, Italy
Duration: Jan 17 2019Jan 20 2019

Publication series

NameEarthquake Geotechnical Engineering for Protection and Development of Environment and Constructions- Proceedings of the 7th International Conference on Earthquake Geotechnical Engineering, 2019

Conference

Conference7th International Conference on Earthquake Geotechnical Engineering, ICEGE 2019
CountryItaly
CityRome
Period1/17/191/20/19

All Science Journal Classification (ASJC) codes

  • Environmental Science(all)
  • Earth and Planetary Sciences(all)

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  • Cite this

    Phyo, M. M. P., Hazarika, H., Kaneko, H., & Akagawa, T. (2019). Liquefaction mitigation technique by using horizontal slab and grid-form deep mixing walls. In F. Silvestri, & N. Moraci (Eds.), Earthquake Geotechnical Engineering for Protection and Development of Environment and Constructions- Proceedings of the 7th International Conference on Earthquake Geotechnical Engineering, 2019 (pp. 4455-4463). (Earthquake Geotechnical Engineering for Protection and Development of Environment and Constructions- Proceedings of the 7th International Conference on Earthquake Geotechnical Engineering, 2019). CRC Press/Balkema.