Shearing tests with continuously increasing normal stress

Balázs Vásárhelyi, Péter Ván

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

In the conventional shearing tests the normal force or the normal stiffness are kept constant during the experiment. Sliding under constant normal load occurs in slopes if the environment is not changing during the process. The goal of this paper is to investigate the influence of the continuously changing (i.e. increasing) normal load for the continuously increasing shearing load. Cement mortar specimens with triangular teeth that have the same inclination (regular triangular teeth) were used to carry out this research. Both the geometry of the specimens and the mechanical constants were well-known. The "Continuous Failure State" (CFS) shear tests were carried out according to CFS-triaxial tests, with different starting normal stresses. According to the investigations, the behaviour of the material in case of CFS-shearing tests was always different as in case of CFS-triaxial tests. Linear and nonlinear theoretical models are proposed for the measured curves.

Original languageEnglish
Pages (from-to)171-180
Number of pages10
JournalPeriodica Polytechnica Civil Engineering
Volume50
Issue number2
Publication statusPublished - Jan 1 2006

Keywords

  • Continuous failure state
  • Shearing test
  • Sliding

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Geotechnical Engineering and Engineering Geology

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