Civil Engineer with 27 years of experience working with concrete and concrete materials. Expert in proportioning concrete mixtures with an in-depth understanding of materials and how they interact with each other. Experience with mass concrete (including large-aggregates), underwater concrete, high-strength concrete, lightweight-aggregate concrete, fiber-reinforced concrete, and heavy-weight aggregate concrete. Expert in proportioning mixtures with multiple cementitious materials, including Portland cement, fly ash, ground-granulated blast-furnace slag cement, and silica fume. Expert in use of chemical admixtures, including air-entraining, water reducing, high-range water reducing, and underwater admixtures. Managed large projects and teams to meet milestones and exceed quality requirements. Proportioned concrete mixture used in the construction of 10 Corps of Engineers locks and dams or other major hydraulic structures. Expert troubleshooter on problems with concrete workability and other issues at multiple construction projects.
Conducted research on concrete and materials for civil and military projects, specializing in concrete mixture proportions