Christopher P. Bobko

Shahrin, R., & Bobko, C. P. (2019). Micropillar compression investigation of size effect on microscale strength and failure mechanism of Calcium-Silicate-Hydrates (C-S-H) in cement paste. CEMENT AND CONCRETE RESEARCH, 125. https://doi.org/10.1016/j.cemconres.2019.105863

Shahrin, R., & Bobko, C. P. (2017). Characterizing Strength and Failure of Calcium Silicate Hydrate Aggregates in Cement Paste under Micropillar Compression. JOURNAL OF NANOMECHANICS AND MICROMECHANICS, 7(4). https://doi.org/10.1061/(asce)nm.2153-5477.0000137

Bagal, A., Zhang, X. A., Shahrin, R., Dandley, E. C., Zhao, J. J., Poblete, F. R., … Chang, C. H. (2017). Large-area nanolattice film with enhanced modulus, hardness, and energy dissipation. Scientific Reports, 7.

Veytskin, Y. B., Tammina, V. K., Bobko, C. P., Hartley, P. G., Clennell, M. B., Dewhurst, D. N., & Dagastine, R. R. (2017). Micromechanical characterization of shales through nanoindentation and energy dispersive x-ray spectrometry. GEOMECHANICS FOR ENERGY AND THE ENVIRONMENT, 9, 21–35. https://doi.org/10.1016/j.gete.2016.10.004

Veytskin, Y., Bobko, C., & Castorena, C. (2016). Nanoindentation and Atomic Force Microscopy Investigations of Asphalt Binder and Mastic. JOURNAL OF MATERIALS IN CIVIL ENGINEERING, 28(6). https://doi.org/10.1061/(asce)mt.1943-5533.0001532

Veytskin, Y., Bobko, C., & Castorena, C. (2016). Nanoindentation investigation of asphalt binder and mastic viscoelasticity. INTERNATIONAL JOURNAL OF PAVEMENT ENGINEERING, 17(4), 363–376. https://doi.org/10.1080/10298436.2014.993393

Bobko, C. R., Zadeh, V. Z., & Seracino, R. (2015). Improved schmidt method for predicting temperature development in mass concrete. ACI Materials Journal, 112(4), 579–586.

Veytskin, Y., Bobko, C., Castorena, C., & Kim, Y. R. (2015). Nanoindentation investigation of asphalt binder and mastic cohesion. CONSTRUCTION AND BUILDING MATERIALS, 100, 163–171. https://doi.org/10.1016/j.conbuildmat.2015.09.053

Bobko, C. P., Edwards, A. J., Seracino, R., & Zia, P. (2015). Thermal cracking of mass concrete bridge footings in coastal environments. Journal of Performance of Constructed Facilities, 29(6).

Zadeh, V. Z., & Bobko, C. P. (2014). Nano-mechanical properties of internally cured kenaf fiber reinforced concrete using nanoindentation. CEMENT & CONCRETE COMPOSITES, 52, 9–17. https://doi.org/10.1016/j.cemconcomp.2014.04.002

Zadeh, V. Z., & Bobko, C. P. (2014). Nanomechanical characteristics of lightweight aggregate concrete containing supplementary cementitious materials exposed to elevated temperature. CONSTRUCTION AND BUILDING MATERIALS, 51, 198–206. https://doi.org/10.1016/j.conbuildmat.2013.10.034

Zadeh, V. Z., & Bobko, C. P. (2013). Nanoscale mechanical properties of concrete containing blast furnace slag and fly ash before and after thermal damage. Cement & Concrete Composites, 37, 215–221. https://doi.org/10.1016/j.cemconcomp.2012.09.003

Elsaid, A., Dawood, M., Seracino, R., & Bobko, C. (2011). Mechanical properties of kenaf fiber reinforced concrete. CONSTRUCTION AND BUILDING MATERIALS, 25(4), 1991–2001. https://doi.org/10.1016/j.conbuildmat.2010.11.052

Bobko, C., Gathier, B., Ortega, J. A., Borges, L., Ulm, F.-J., & Abousleiman, Y. (2011). The nanogranular origin of friction and cohesion in shale - a strength homogenization approach to interpretation of nanoindentation results. International Journal for Numerical and Analytical Methods in Geomechanics. https://doi.org/10.1002/nag.984

Ulm, F.-J., Vandamme, M., Jennings, H. M., Vanzo, J., Bentivegna, M., Krakowiak, K. J., … Van Vliet, K. J. (2010, January). Does microstructure matter for statistical nanoindentation techniques? CEMENT & CONCRETE COMPOSITES, Vol. 32, pp. 92–99. https://doi.org/10.1016/j.cemconcomp.2009.08.007

Bobko, C., Elsaid, A. H., Dawood, M., Zanjanizedah, V., & Seracino, R. (2010). Natural fiber reinforced concrete: Microstructure, internal curing, and mechanical properties from nanoindentation and macroscopic testing. ASCE Engineering Mechanics Institute Conference.

Bobko, C. P., Ortega, J. A., & Ulm, F.-J. (2009, December). Comment on "Elastic modulus and hardness of muscovite and rectorite determined by nanoindentation" by G. Zhang, Z. Wei and RE Ferrell [Applied Clay Science 43 (2009) 271-281]. APPLIED CLAY SCIENCE, Vol. 46, pp. 425–428. https://doi.org/10.1016/j.clay.2009.08.008