Infrastructure design, monitoring, inspection, and management to ensure a State of Good Repair

The United States has invested trillions of dollars in what is arguably one of the finest transportation systems in the world. As the country continues to grow, there will be continued pressure to expand this system to handle the increase in personal and freight mobility that characterizes economic prosperity. However, perhaps the most significant need and challenge facing the Nation’s transportation system is keeping the existing highways, bridges, transit facilities/equipment, ports and airports in a state of good repair.

Characterizing and Quantifying the Shrinkage Resistance of Alkali Activated (Cement Free) Concrete and Evaluating Potential Methods for Reducing Early Age Cracking In Pavements and Bridges

Concrete is one of the most commonly used construction materials for building nation’s infrastructure such as roadways, bridges, tunnels, and buildings, with a per-capita consumption of more than two tons. The most energy consuming and expensive component of concrete is Portland cement, which accounts for more than 70% of the raw material cost towards producing concrete. One metric ton of Portland cement production consumes about 5,792,000 BTU of energy.

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