Structural Engineering

Snicker-Snack! Post-Tension Tendon Finishing Options

by EVstudio AEP July 26, 2019
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Long ago, when I started my career, a contractor asked me if he could use a concrete saw to “cut all of the tendon tails at once” on his new post-tension slab on grade.  That is to say — he was hoping to cut all […]

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Precast Trail Erected in Downtown Evergreen

by Dean Dalvit, AIA, PE July 26, 2019
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EVstudio had the pleasure of designing the foundation for an elevated pedestrian pathway in Evergreen that links the Downtown business zone with Evergreen Lake and the miles of trails that branch out from this network. Despite heavy rains (and sometimes snow), the General Contractor, Goodland […]

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Restrained versus Unrestrained Members

by EVstudio AEP July 26, 2019
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In the last several months, I’ve had many questions about what constitutes a “restrained” concrete member, and what constitutes an “unrestrained” concrete member.  The volume has been such that I’ve decided to take a break from my usual post-tensioned discussions and lay this out. This […]

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Precompression vs. Balanced Load in Post-Tension Concrete

by EVstudio AEP July 12, 2019

My Post–Tension elevator speech is pretty well rehearsed at this point: “We drape steel cables — tendons — in the concrete forms, and then place the concrete.  Once it cures, we pull the ends of the tendons, which try to straighten out.  That does three […]

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Part II: Littleton Village Condos Building 1- A Tale of PT

by Alex Pappas, EIT May 20, 2019

Prologue: EVstudio has designed several apartment/condo buildings recently, and all of them have one thing in common. That’s right! Each one utilizes a post-tensioned slab to elevate the “living space” and create usable space below. While PT slabs are nothing new, they continue to provide […]

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Part I: Winter Park South Sitzmark Building E- A Tale of PT

by Alex Pappas, EIT May 15, 2019
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Prologue: EVstudio has designed several apartment/condo buildings recently, and all of them have one thing in common. That’s right! Each one utilizes a post-tensioned slab to elevate the “living space” and create usable space below. While PT slabs are nothing new, they continue to provide […]

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The How, What, and Why’s of Structural Floor Systems

by Peter Youngbauer March 15, 2019
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So picture it, you, the ultimate DIYer — Soon-To-Be proud homeowner of your own house. Maybe you have your perfect plot of land in the mountains selected, or you have torn down property to construct your dream custom house. Everything is going to plan when […]

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2018 National Engineers Week- EVstudio style

by Eva Pearce January 28, 2019

en·gi·neer·ing ˌenjəˈniriNG/ noun noun: engineering the branch of science and technology concerned with the design, building, and use of engines, machines, and structures. the work done by, or the occupation of, an engineer. the action of working artfully to bring something about. Here at EVstudio, […]

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Post-Tension Crack Control (or, Keep that Duct Tape Handy)

by EVstudio AEP January 17, 2019

Last month, I wrote a blog post about things you can’t fix with duct tape — specifically, post-tension tendon sheathing.  A couple of my readers told me that I’d strayed dangerously close to heresy — so I thought I’d write a post about something post-tensioned […]

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Denver Engineers Not Surprised by New Post-Tension Rule

by EVstudio AEP November 6, 2018
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Good day!  Your usual post–tension maniac here, with more exciting information on post-tensioning! A few months ago, I mentioned that finishing post-tension tendons was an area of special concern, since corrosion is very much the arch-enemy of post-tension tendons.  There are actually a lot of […]

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Filters in Revit for Structural Framing Plans

by EVstudio AEP October 29, 2018
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As all architects and engineers using Revit know, the out of box settings are rarely what you need to produce a set of drawings for review. Namely, visual representation of modeled elements often does not match up with your intent. In order to bypass this, […]

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Post-Tension Elongations: How Long is Too Long?

by EVstudio AEP September 29, 2018
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Recently, we’ve had a few projects where our post-tension elongations came up longer than expected.  As you’ll recall from my post earlier this year, elongation review is a critical part of an engineer’s acceptance of a post-tension slab.  However, I mostly concentrated on short pulls […]

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