Monteiro PJM, Kirchheim AP, Chae S, Fischer P, MacDowell AA, et al. (2009) Characterizing the nano and micro structure of concrete to improve its durability. Cement and Concrete Composites 31: 577–584. Available: http://dx.doi.org/10.1016/j.cemconcomp.2008.12.007.
Paulo Monteiro and Rudy Wenk acknowledge the financial support from the National Science Foundation Grant 062464 and from KAUST. Ana Paula Kirchheim acknowledge the financial support of CAPES (Fundação Coordenação de Aperfeiçoamento de Pessoal de Nível Superior – Ministério da Educação – Brasil). The soft X-ray microscope and the Advanced Light Source are supported by the Director, Office of Science, Office of Basic Energy Sciences, of the U.S. Department of Energy under Contract No. DE-AC02-05CH11231. The authors would like to thank Cruz Carlos and Roula Rbeiz for their assistance in the ASTM-1260 preparation and testing.