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Author: engineering

OneEleven – Post Tensioned Transfer Deck

  The high-rise building located at 111 W. Wacker Drive in downtown Chicago was formerly known as the ‘Waterview.’  The structure was originally designed as an 89-story luxury hotel located along the Chicago River.  The construction of the conventionally-reinforced building progressed until the 27th floor when the 2007 economic recession hit the U.S.  Ultimately, the original project was shelved due to financing issues.  The unfinished building became a visible eye-sore in the heart of Chicago for several years.  Fortunately, a…

Better, faster, more: recent improvements to our dailygraphics rig

In the past couple weeks the Visuals team has consciously shifted resources to focus on the parts of our work that have the highest impact. As part of this reorganization the graphics team has grown from one (Graphics Editor Alyson Hurt) to two—the second being me! Having a dedicated engineer working on daily graphics means we are doubling down both the amount of content we can create and on the tools we use to create it. For the last week…

Making small multiples maps with invar

Mapping the spread of Wal-Mart For a recent story on the growth of Wal-Mart in urban areas we set out to map Wal-Marts across the US and over time. Due to limitations with our dataset, we only ended up mapping three cities. Here is the graphic we produced: Automation is key to generating these sorts of maps. There are huge number of things that could go wrong if each one was produced by hand. For this story the automated process…

Video : Pre-pour of Post-Tensioned Concrete Loading Dock

Repairs to mildly-reinforced concrete and asphalt loading dock driveway.  AMSYSCO used post-tensioned concrete in order to increase long-term durability of the concrete member.  This loading dock experiences heavy-duty loads from flatbed trucks (over 40,000 lbs) and forklift traffic. (Video from September 2014) ____________________________________________Copyright © 2015 by AMSYSCO, Inc. All rights reserved. Source link…

Video : Around the World with Post-Tensioning

Walking around a bundle of post-tensioning tendons ready to be shipped to a construction jobsite! – Neel Khosa, Vice President ____________________________________________Copyright © 2015 by AMSYSCO, Inc. All rights reserved. This entry was posted in AMSYSCO News, Video and tagged Post Tensioning, YouTube Video. Bookmark the permalink. Source link…

The Evolution of NPR’s Picture Stories – Learning

In September of 2012, Claire O’Neill and I published a story about an amateur photographer named Charles Cushman. Cushman was a rare character for a couple of reasons. First, he was shooting in color at a time that most photographers were shooting in black and white, and though he was an amateur, he had an incredible instinct for making great pictures. His story and his photography were amazing, and we knew there was an opportunity to do something different with…

Google Trends : Concrete vs. Steel

I revisited an interesting (and free) tool on the internet called Google Trends.  It allows the user to “explore Google trending search topics.”  Since this is a construction-related blog, I decided to run explore the topics of “Concrete,” “Steel” and “Construction.”  After all, post-tensioning is a combination of high-strength steel and concrete. All graphs are based on a query run from January 2011 to January 2015 within the United States – Business & Industrial topics.  However, queries can be run starting…

Switching to OAuth in the App Template

Suyeon Son and David Eads re-worked the authentication mechanism for accessing Google Spreadsheets with the NPR Visuals App Template. This is a significant change for App Template users. Here’s why we did it and how it works. Most App Template developers only need to consult the Configuring your system and Authenticating sections of this post, provided someone on your team has gone through the process of creating a Google API application and given you credentials. Why OAuth? Prior to this…

Multivariate testing: Learning what works from your users at scale

Multivariate and AB testing are generally used to iterate on products over time. But what do you do when your product is always different, like the visual stories we tell? For the past year, NPR Visuals has been iterating on a story format for picture stories that works like a slideshow, presenting full-width cards with photos, text and any other HTML elements. We have made various tweaks to the presentation, but since each story is substantially different, it’s hard to…