29 Oct '11, 6pm

Ideas for Spreading Quake-Resistent Building Methods

A local building official in Utah commented about how disturbed she was to see the twisted strands of rebar (concrete reinforcing steel) in photos of collapsed buildings in this quake and how concerned that made her for “un” reinforced structures. Indeed, even the use of reinforcing steel cannot assure safety. You’ve hit upon a fundamental idea that is crucial to helping this cause (seismic safety of new and existing buildings). Buildings configured improperly will be “unknowns” in the earthquake test. Put more simply, engineers have not tested every arrangement of walls and floors to understand the consequences of every imaginable configuration, but there are some fundamental ideas which we can stand behind. Short cantilever columns above stiff in-fill panels perform poorly. Stacking two infill panels in one bay for the same cost of materials and forming a solid shear pan...

Full article: http://dotearth.blogs.nytimes.com/2011/10/29/ideas-for-sp...

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Dot Earth Blog: Ideas for Spreading Quake-Resis...

dotearth.blogs.nytimes.com 29 Oct '11, 6pm

A local building official in Utah commented about how disturbed she was to see the twisted strands of rebar (concrete rein...

Dot Earth Blog: Ideas for Spreading Quake-Resis...

dotearth.blogs.nytimes.com 29 Oct '11, 6pm

A local building official in Utah commented about how disturbed she was to see the twisted strands of rebar (concrete rein...

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