1. Associate Professor, Dept. of Civil Engineering and Mechanics, College of Engineering and Applied Science, Univ. of Wisconsin–Milwaukee, 3200 North Cramer St., Milwaukee, WI 53211 (corresponding author).
2. Professor, Chemical Admixtures Lab, Research Institute of Concrete and Reinforced Concrete (NIIZhB), 2-ya Institutskaya-6, Moscow, 109428, Russian Federation.