Riedel shear band formation with flower structures that develop at the surface ground on a strike slip fault

Akira Asaoka, Yoshihiro Sawada, Shotaro Yamada

Research output: Contribution to conferencePaperpeer-review

3 Citations (Scopus)

Abstract

In this paper, the formation of flower structures and the Riedel shear structures inside a ground above a strike slip fault were reproduced numerically using the soil-water coupled finite deformation analysis code GEOASIA that mounts the SYS Cam-clay model on it. The analysis results revealed that the Riedel shear structures accompanied by flower structures developed as a bifurcation mode triggered by initial imperfections showing plastic expansion with loss of overconsolidation on the shear bands.

Original languageEnglish
Pages751-754
Number of pages4
DOIs
Publication statusPublished - 2015
Externally publishedYes
Event15th Asian Regional Conference on Soil Mechanics and Geotechnical Engineering, ARC 2015 - Fukuoka, Kyushu, Japan
Duration: 2015 Nov 92015 Nov 13

Other

Other15th Asian Regional Conference on Soil Mechanics and Geotechnical Engineering, ARC 2015
CountryJapan
CityFukuoka, Kyushu
Period15/11/915/11/13

Keywords

  • Elasto-plastic analysis
  • Flower structure
  • Riedel shear band
  • Strain localization
  • Strike-slip fault

ASJC Scopus subject areas

  • Geotechnical Engineering and Engineering Geology
  • Soil Science

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