Neither staff nor members of the American Society of Civil Engineers are guilty of ethics violations in the society’s assessment of New Orleans’ flood defense performance during Hurricane Katrina, nor in its peer review of the U.S. Army Corps of Engineers-funded task force that studied it, ASCE’s standing committee on Professional Conduct has concluded after a 13-month investigation. “No charges of ethical misconduct against any of the individuals named were filed by CPC as a result of the inquiry,” says CPC Chair Rich Hovey. A charge of lax ethics was leveled by Raymond Seed, a University of California-Berkeley civil engineering
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.