that less cement would need to be replaced. We made four full size bridges of this. 2b) Also, our polymer composites made of graphite from oil are self repairing. It is expected... of the same distance) We did this work for the U.S. Air Force. Figure 2) Left is self repairing concrete bridges and right is self repairing airplane wing These self repairing materials can... structures apart when cut, so we developed a way of dismantling them so they can be taken out and the rest of the bridge remain intact. Figure 4) a photo of the girders being...

, 1990, now abandoned. Self-Repairing Polymer Composites Airplanes that are safe to fly or can return home safely even if damaged, bridges that can withstand an earthquake and remain.... [5] In the last decade the use of polymers has grown so much that polymer bridges exist and use of polymers in airplanes had doubled. This, despite the drawbacks of polymers... applications in rehabilitation of existing bridges as complete structural replacement or new construction [5, 6]. The American Association of State Highway and Transportation...