An internal ASCE ethics probe absolved the organization and its members of charges of misconduct related to assessment of the New Orleans Hurricane Protection System following Hurricane Katrina. Photo: Michael Goodman/ENR Charges against ASCE involved flood protect and levees in New Orleans. The probe also found no misconduct in ASCE’s peer review of the Interagency Performance Evaluation Task Force, which was a broad look at the causes of the disaster. Carried out by the American Society of Civil Engineers’ Committee on Professional Conduct, the probe was a response to charges in a complaint by Raymond Seed, a civil engineering professor,
Arch dams, classically curved monoliths situated in narrow valleys, are not as common as other types of dams, such as embankment dams and gravity dams. ENR takes a look at some of the biggest arch dams in the world, both completed and under construction.