Shear Rate Effect on Strength Characteristics of Sandy Soils

BEREN M., Çobanoglu I., Çelik S., ÜNDÜL Ö.

Soil Mechanics and Foundation Engineering, vol.57, no.4, pp.281-287, 2020 (SCI-Expanded, Scopus) identifier identifier

  • Publication Type: Article / Article
  • Volume: 57 Issue: 4
  • Publication Date: 2020
  • Doi Number: 10.1007/s11204-020-09667-y
  • Journal Name: Soil Mechanics and Foundation Engineering
  • Journal Indexes: Science Citation Index Expanded (SCI-EXPANDED), Scopus, Academic Search Premier, Aerospace Database, CAB Abstracts, Communication Abstracts, Compendex, Environment Index, Geobase, INSPEC, Metadex, Civil Engineering Abstracts
  • Page Numbers: pp.281-287
  • Istanbul University-Cerrahpasa Affiliated: Yes

Abstract

© 2020, Springer Science+Business Media, LLC, part of Springer Nature.In this study, the effects of different shear rates during direct shear tests on variations in the strength characteristics were investigated for the sand samples of various particle size distribution. Direct shear tests were carried out at nine different shear rates ranging from 0.05 to 5 mm/min under normal stresses of 54.5, 109, and 218 kPa. Both sample groups were tested under a condition of defined water content and in a water-filled condition. Results show that with increasing shear rate, the internal friction angle and peak shear strength values increased. The increase in the internal friction angles and peak shear strengths were particularly evident for shear rates higher than 1 mm/min. Even though the effect of grain size on the variation in strength parameters due to shear rate is limited for the soils examined in this study, the effect should be considered.