Related Links: NYC Building-Energy-Use Reg Steps Toward Saving Energy Work Continues on Updated Commercial Building Energy Survey (subscription req.) SOM Website: Freedom Tower & BIM Wikipedia: Moore's Law Backgrounder Dept. of Energy SEED Program Computing power has grown 100 times over last 10 years, helping to create rapid and profound changes in the tools of building design and construction. But as sophisticated building- information-modeling tools help create ever more complex buildings, why aren't they doing more to design buildings that have greater energy efficiency?These were some of the key points—and challenges—that building experts outlined during Architectural Record's "Innovation Conference 2012"
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.