Editors: Konstantin Sobolev and Mahmoud Reda Taha

Sponsored by: ACI Committee 236

This collection consist of 9 papers sponsored by ACI Committee 236, at the Fall 2009 Convention in New Orleans, LA, in November 2009. The papers included cover a broad range of subjects related to the nanotechnology and material science of concrete with focus on nanostructure characterization, synthesis, design, and modeling of cement based materials, as well as application of nano-materials in concrete technology.