While pioneering firms strive to reduce risk and increase productivity by embracing virtual design and construction, the vendors enabling VDC struggle to anticipate user needs and differentiate themselves from their competition without losing customers in swamps of technological confusion. Slide Show Image: 2009 Open Geospatial Consortium Inc. and buildingSMART alliance Image: 2009 Open Geospatial Consortium Inc. and buildingSMART alliance Related Links: Digital-Modeling-Standard Effort ‘SOS’ Forty Years of Grassroots Development Modeling Pathfinders Impatient To Have A Much Fuller Digital Toolbox Digital Box There are myriad products addressing discrete aspects of virtual design and construction. Most work independently and share their results
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.