Emerging Technologies Guard Against Tunnel Flooding

摘要

Authorities in the northeastern U.S. investigating flood-barrier technologies to block future flooding in subway tunnels have high hopes for one new device. A pressurized tunnel plug, tested this month, offers a lower nrice and quicker installation tha proven technologies. "I called it a huge air ba ning," says Ever Barbero, p chanical and aerospace t West Virginia University (V calls his Dept. of Home (DHS) research contrac high-payoff proposal." Du the risk was that the 32-ft would fail; success would : measure of nationwide so extreme weather events .