The final span in the new Interstate St. Anthony Falls 35W bridge in Minneapolis was to be put in the place this week just days before the one year anniversary on the Aug. 1 of the predecessor bridge’s tragic collapse into the Mississippi River. DN editor-in-chief John Dodge ventured back to the new bridge this week to shoot some photographs just as he did a week after former bridge collapsed last year, killing 13.
As it stands, the design build process will take 437 days with the new opening planned for Dec. 24 although there is talk of the grand opening taking place sooner. A rush was put on the $234 million bridge project to mitigate the estimated economic impact which the Minnesota DOT has pegged at $400,000 a day or $60 million until the new bridge is finished.
The new bridge, built by Flatiron Construction Corp., is put together with concrete piers and emphasizes aesthetics and safety. It will also have a sensor-based system to monitor the bridge throughout its lifetime. Below are some comparisons between the old and new bridge from the Minnesota DOT web site:
100-year life span
10 lanes of traffic, five in each direction—two lanes wider than the former bridge
189 feet wide—the previous bridge was 113 feet wide
13 foot wide right shoulders and 14 foot wide left shoulders, the previous bridge had no shoulders
Light Rail Transport-ready which may help accommodate future transportation needs
As energy efficiency becomes more and more a concern for makers of electronics devices, researchers are coming up with new ways to harvest energy from sound vibration, footsteps, and even electromagnetic fields in the air.
The government wants to study your brain, and DARPA wants to use similar information to give robots true autonomy beyond any artificial intelligence developed to date. Sound like science fiction? It's not.
By refining topologies and using new fluid technology, Moog's new peak sine drive controller increases available power without increasing controller volume.
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A quick look into the merger of two powerhouse 3D printing OEMs and the new leader in rapid prototyping solutions, Stratasys. The industrial revolution is now led by 3D printing and engineers are given the opportunity to fully maximize their design capabilities, reduce their time-to-market and functionally test prototypes cheaper, faster and easier. Bruce Bradshaw, Director of Marketing in North America, will explore the large product offering and variety of materials that will help CAD designers articulate their product design with actual, physical prototypes. This broadcast will dive deep into technical information including application specific stories from real world customers and their experiences with 3D printing. 3D Printing is
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