Michael Horman, associate professor of architectural engineering at Pennsylvania State University, State College, who also specialized in research on building efficiency and use of lean construction in green buildings, died Sept. 15 while teaching a graduate course, says the school. He was 38 and suffered a fatal heart attack, according to published reports. HORMAN Horman was director of the university's Lean and Green Research Initiative, a research effort focused on high-performance and sustainable building design and construction, and co-editor of its Journal of Green Building. He also served as assistant specialty editor for the American Society of Civil Engineers' Journal
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.