Christopher P. Bobko

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.

Characterizing Strength and Failure of Calcium Silicate Hydrate Aggregates in Cement Paste under Micropillar Compression

JOURNAL OF NANOMECHANICS AND MICROMECHANICS, 7(4).

Large-area nanolattice film with enhanced modulus, hardness, and energy dissipation

Scientific Reports, 7.

Micromechanical characterization of shales through nanoindentation and energy dispersive x-ray spectrometry

GEOMECHANICS FOR ENERGY AND THE ENVIRONMENT, 9, 21–35.

Nanoindentation and Atomic Force Microscopy Investigations of Asphalt Binder and Mastic

Journal of Materials in Civil Engineering, 28(6).

Improved schmidt method for predicting temperature development in mass concrete

ACI Materials Journal, 112(4), 579–586.

Nanoindentation investigation of asphalt binder and mastic cohesion

Construction and Building Materials, 100, 163–171.

Nanoindentation investigation of asphalt binder and mastic viscoelasticity

International Journal of Pavement Engineering, 17(4), 363–376.

Thermal cracking of mass concrete bridge footings in coastal environments

Journal of Performance of Constructed Facilities, 29(6).

Nano-mechanical properties of internally cured kenaf fiber reinforced concrete using nanoindentation

CEMENT & CONCRETE COMPOSITES, 52, 9–17.

Nanomechanical characteristics of lightweight aggregate concrete containing supplementary cementitious materials exposed to elevated temperature

CONSTRUCTION AND BUILDING MATERIALS, 51, 198–206.

Nanoscale mechanical properties of concrete containing blast furnace slag and fly ash before and after thermal damage

Cement & Concrete Composites, 37, 215–221.

Mechanical properties of kenaf fiber reinforced concrete

CONSTRUCTION AND BUILDING MATERIALS, 25(4), 1991–2001.

Natural fiber reinforced concrete: Microstructure, internal curing, and mechanical properties from nanoindentation and macroscopic testing

ASCE Engineering Mechanics Institute Conference.

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.

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]

Bobko, C. P., Ortega, J. A., & Ulm, F.-J. (2009, December). APPLIED CLAY SCIENCE, Vol. 46, pp. 425–428.

Does microstructure matter for statistical nanoindentation techniques?

Ulm, F.-J., Vandamme, M., Jennings, H. M., Vanzo, J., Bentivegna, M., Krakowiak, K. J., … Van Vliet, K. J. (2010, January). CEMENT & CONCRETE COMPOSITES, Vol. 32, pp. 92–99.