The 17th Street Canal levee failed when foundation soil sheared along a weak plane beneath unexpectedly low water.
The 17th Street Canal levee failed when foundation soil sheared along a weak plane beneath unexpectedly low water.
More from this video
See all →New Orleans’s three most consequential flood-defense breaches occurred while surge remained below…
@historyAt the 17th Street Canal, water sat several feet below the wall’s top when a 450-foot section…
@historyAn I-Wall could bow outward, opening a water-filled foundation gap that shortened the soil-shear…
@historyAt the Industrial Canal, subsidence and confused elevation benchmarks left the wall too low,…
@historyNew Orleans’s levee system turns the city into a bowl: it keeps floodwater out but traps rainwater…
@historyAbout 50 levee and floodwall breaches occurred, but three caused most flooding and nearly half the…
@historyKatrina’s storm surge reached nearly 28 feet, the highest recorded in United States history.
@historyAfter Hurricane Betsy flooded more than 150,000 houses in 1965, the federal government invested…
@historyDon't lose this one
A free account saves insights like this to your Boards, and Korva resurfaces them so you actually remember.