The Minnesota Department of Transportation (MnDOT) relocated a portion of T.H. 53 between Eveleth and Virginia, MN. The preferred alignment crosses the existing Rouchleau iron ore pit on a 1,100-foot bridge. Two abutments and one pier of the bridge will be founded on bedrock. Future iron ore mining adjacent to the alignment will create rock slopes up to 500 ft high. After mining, the new roadway will be atop a trapezoidal cross-section 300 ft wide at the top and with downslopes of about 53 degrees.
Since 1956, the CONCREEP conference series has remained the key meeting for physicists, mechanicians, and engineers to present and debate research results and discoveries on the time-dependent behavior of concrete.
Mr. Emam has developed numerical models to investigate the relationship between the packing history of granular systems, their geometry and micro-mechanical parameters, and their large-scale mechanical properties (elastic moduli, friction angle, dilatancy, etc.).
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