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3 report(s) found for Nathan J. Miller
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Field Application of Z-Spike Rejuvenation to Salvage Timber Railroad Bridges (Dec 2011, MPC-11-245)
Richard M. Gutkowski, Nathan J. Miller, and Donald W. Radford

This report details the outcomes of shear spiking two open-deck, timber trestle railroad bridges and examining the effectiveness under applied loading. The bridges were made available to the researchers by the Union Pacific Railroad and were located in their Southern Region. The first site was located...

 
Use of Salvaged Utility Poles in Roadway Bridges: Time-Dependent Behavior of Composite Wood-Concrete Beams (Dec 2009, MPC-09-216)
Nathan J. Miller, Richard M. Gutkowski, and Jeno Balogh

This research study focused on the long-term and repeated load behavior of wood-concrete composite beams in which the wood layer is composed of recycled utility poles. Previous research studies have found this type of a beam to have high efficiency and to be a potentially viable replacement for short...

 
Z-Spike Rejuvenation to Salvage Timber Railroad Bridge Members (Dec 2008, MPC-08-208)
Nathan J. Miller, Richard M. Gutkowski, Jeno Balogh, and Don W. Radford

This research study examined the effectiveness of the fiber reinforced polymer (FRP) spikes in repairing naturally damaged and deteriorated railroad bridge chords. Past research has shown that this process can be quite effective in improving the effective stiffness of railroad chord members that were...

 
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