​Roughness evolution through shear
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Funding: Israel Science Foundation (ISF). ​​Co PI: Amir Sagy, Israel Geological Survey.

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Selected articles:

Morad, D., Sagy, A., Tal, Y., and Hatzor, Y. H., 2022, Fault roughness controls slidinginstability: Earth and Planetary Science Letters . V. 579. Paper 117365. DOI: https://doi.org/10.1016/j.epsl.2022.117365. 

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Morad, D., Sagy, A. & Hatzor, Y. H. The significance of displacement control mode in direct shear tests of rock joints. Int. J. Rock Mech. Min. Sci. 134, doi: https://doi.org/10.1016/j.ijrmms.2020.104444​ (2020).

Doron Morad, Yossef H. Hatzor, Amir Sagy, 2019. Rate effects on shear deformation of rough limestone discontinuities. Rock Mechanics and Rock Engineering.

https://doi.org/10.1007/s00603-018-1693-9.

Nir Badt, Yossef H. Hatzor, Renaud Toussaint, and Amir Sagy, 2016. Geometrical evolution of interlocked rough slip surfaces: The role of normal stress. Earth and Planetary Sciences Letters. Vol. 443, pp. 153-161.​

Davidesko, G., A. Sagy, and Y. H. Hatzor (2014), Evolution of slip surface roughness through shear, Geophys. Res. Lett., Vol. 41, doi:10.1002/2013GL058913.

Biran, O., Y. H. Hatzor, and A. Ziv. 2009. Micro-scale roughness effects on the friction coefficient of granite surfaces under varying levels of normal stress. In: Shear physics at the meso-scale in earthquake and landslide mechanics. (eds. Y. Hatzor, J. Sulem, and I. Vardoulakis). CRC Press/Balkema, pp. 145 - 158.​

Friction, roughness and sliding instability

​Keynote Lecture: International Frontier Forum on Geotechnical Engineering, Disaster Prevention & Mitigation. Chengdu, China Dec. 20, 2022