The Oldest Concrete Structures in History - Video Transcript
110,000 tonnes of concrete were used to build the Seattle King dome in 1976 its enormous concrete roof spanned almost eight acres and weigh 25,000 tons designed as a multi-purpose stadium it acted as a concrete umbrella protecting its occupants from the Pacific Northwest's notoriously fickle weather the Kingdome became an exclamation point for downtown Seattle and because of the concrete structures durability it was expected to stand the test of time why but it was
not to be it took just seconds for dynamite to demolish what had taken years to design and build on a Sunday morning in March 2000 the King domes concrete was blown to bits in a rapid-fire series of detonations 53,000 cubic yards of concrete and floated in the blink of an eye when you watch the Kingdome in Seattle as it's imploding being demolished within a big explosion you have to say well why why is
it only been 30 years that we've used this building well it happens that it outgrew the the needs outgrew the structure over the years the King domes concrete had undergone some extensive renovations but its strength and durability were never questioned when Seattle's football team was sold in the late 1990s its new owner was guaranteed a new stadium that sealed the king domes fate it doesn't mean that the concrete materials have gone bad it's
no different than many of the other buildings that have been taken down in order to make way for new structures as we have new needs in the community this is this has been happening throughout the ages and throughout the ages it is the development and use of concrete that is made at all possible well concrete is a composite material...
See more here: https://www.youtube.com/watch?v=DMIAG6BxALc