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- Title
Tilting and Stick–Slip Tests for Evaluating Static and Dynamic Frictional Properties of Rock Discontinuities.
- Authors
Aydan, Ömer; KIyota, Ryouji; Iwata, Naoki; Malistani, Neamatullah
- Abstract
Static and dynamic frictional properties of rock discontinuities are of great importance in the evaluation of the initiation of failure and post-failure motions of rock engineering structures as well as the rupture and strong motions induced by earthquake faults in earthquake science. Nevertheless, experiments on static and dynamic frictional properties of rock discontinuities are very rare. In this study, the authors describe tilting and stick–slip experiments on various natural rock discontinuities and saw-cut surfaces to determine their static and dynamic frictional properties. Furthermore, these experimental results are compared with each other to discuss the static and dynamic frictional properties of rock discontinuities from tilting and stick–slip tests. Experimental results show that peak (static) friction angle for discontinuity surfaces obtained from tilting tests and stick–slip experiments are very close to each other. Highlights: In this paper, it is demonstrated that the static and dynamic frictional properties of rock discontinuities can be determined from tilting and stick-slip tests. Experimental results confirm that peak (static) friction angle for discontinuity surfaces obtained from tilting tests are very close to those obtained from stick-slip experiments. The experimental results could be useful for researchers dealing with the estimation of post-failure motions of failed bodies in Rock Mechanics and Rock Engineering as well as strong motion simulations in Earthquake Science and Engineering.
- Subjects
ROCK properties; TILT-table test; SLIDING friction; INDUCED seismicity; EARTHQUAKES; EARTHQUAKE engineering; ROCK mechanics
- Publication
Rock Mechanics & Rock Engineering, 2023, Vol 56, Issue 12, p8607
- ISSN
0723-2632
- Publication type
Article
- DOI
10.1007/s00603-023-03503-z