A greener concrete
MAR 31, 2009
DOI: 10.1063/PT.5.023201
The New York Times : Soaring above the Mississippi River just east of downtown Minneapolis is one remarkable concrete job.There on Interstate 35W, the St. Anthony Falls Bridge carries 10 lanes of traffic on box girders borne by massive arching piers, which are supported, in turn, by footings and deep pilings.
© 2009 American Institute of Physics
