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אוניברסיטת בן-גוריון בנגב

Current Reasearch

Validation and Verification of the numerical Discontinuous Deformation Analysis (DDA) method
Funding: Israel Science Foundation (ISF), Israel-US Binational Science Foundation (BSF).
Representative Presentation: Site response analysis with 2D-DDA. 11th  International Conference on Analysis of Discontinuous Deformation (ICADD-11), August 27-29,  2013, Fukuoka, Japan. Keynote address. Hatzor ICADD_11 2013.pdfHatzor ICADD_11 2013.pdf
Thermally induced block displacements in jointed rock slopes
Funding: BSF, ISF. Co PI: Dagan Bakun-Mazor, SCE.
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Representative Presentation: Seismic vs. thermal triggering of large landslides. Vajont 2013 Conference. Padua, Italy Oct. 8 – 10, 2013. Keynote Address. Vajont lecture HATZOR.pdfVajont lecture HATZOR.pdf
Stability of shallow underground openings in blocky rock masses
Funding: Israel Nature and Parks Authority (INPA), Israel Cement Industries.
Representative presentation: Risk assessment of collapse in shallow caverns using numerical modeling of block interactions with DDA: Suggested approach and case studies. International Top-level Forum on Engineering Science and Technology Development Strategy — Safe Construction and Risk Management of Major Underground Engineering. Chinese Academy of Engineering. May 17 – 19, 2012. Wuhan, China. Keynote address. Hatzor CAE Forum 2012.pdfHatzor CAE Forum 2012.pdf
Conservation of Cultural Heritage Monuments in Rock Sites
Funding. ISF, BSF, INPA.
Representative presentation: Conservation of Cultural Heritage Monuments in Rock Sites Case Studies from Israel. The Conservation Institute of Dunhuang Academy of China. April 26, 2013. Special Invited Lecture. Dunhuang_Hatzor 2013.pdfDunhuang_Hatzor 2013.pdf
Roughness evolution through shear
Funding: Israel Ministry of Infrastructure. Co PI: Amir Sagy, Israel Geological Survey.

Sample publications:
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. Biran_Hatzor_Ziv_final.pdfBiran_Hatzor_Ziv_final.pdf
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. Davidesko2014.pdfDavidesko2014.pdf
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. Badt et al 2016.pdfBadt et al 2016.pdf
Mechanical and petro physical behavior of oil shale.
Funding: Israel Energy Initiatives (IEI). Co PI’s: Harold Vinegar and Shimon Feinstein (BGU)
Sample publications: 

Ksenia Bisnovat, Yossef H. Hatzor, Harold Vinegar, Scott Neguyen, Vyacheslav Palchik, and Shimon Feinstein, 2015. Mechanical and petrophysical behavior of organic-rich chalk from the Judea Plains, Israel. Marine and Petroleum Geology. Vol. 64, pp. 152 – 164. Bisnovat et al. 2015.pdfBisnovat et al. 2015.pdf
Omri Shitrit, Yossef H. Hatzor, Shimon Feinstein, Vyacheslav Palchik and Harold J. Vinegar, 2016. Effect of kerogen on rock physics of immature organic-rich chalks. Marine and Petroleum Geology Vol. 73. pp. 392-404. Shitrit et al 2016.pdfShitrit et al 2016.pdf