Sawing a Dam in Half - Managing Alkali-Silica Reactions in Concrete

Learn about alkali-silica reactions in concrete and discover one of the most fascinating engineering solutions for managing this critical infrastructure problem through a 21-minute educational video. Explore the science behind concrete degradation caused by chemical reactions between alkali cement and silica-containing aggregates, and understand why engineers sometimes need to take the dramatic step of cutting dams in half as a preventive measure. Examine real-world case studies and footage showing how this counterintuitive approach helps preserve dam integrity and prevent catastrophic failure. Gain insights into the engineering principles, decision-making processes, and technical challenges involved in implementing such extreme but necessary infrastructure maintenance solutions.