A partially constructed reinforced-concrete pedestrian bridge collapsed during a post-tensioning operation. The bridge designer contests the government’s findings
Editor’s note: This article first appeared on August 18, 2015 in Civil Engineering online. HASHTAGS MIGHT BE READY conversation starters now, but they began simply as metadata tags so that content—be it on social media or otherwise—could be easily searched online. Today, they have grown into the dominant way of organizing large online conversations. This includes the microblogging site Twitter, where hashtags passed through their
This installation of Civil Engineering’s Infrastructure Solutions series, which looks at how civil engineers are using cutting-edge techniques to resolve the issues identified in ASCE’s 2017 Infrastructure Report Card, examines the nation’s energy system. The United States’ transition from traditional fossil fuel and nuclear sources to other sources of renewable energy has significant implications on transmission and distribution infrastructure — both on land and at
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