Advanced Post-Tension

As much as we enjoy celebrating projects on this page, there are a number of issues that deserve consideration that get illustrated from time to time by images we get from the field.

Today's issue is congestion. It starts off as an engineering problem, then becomes a detailing problem, then a placement problem, and finally a potential performance issue. This is especially true of post-tension anchorages at beams.

As an engineering problem, this is fairly simple – a few column bars, the column ties, a couple of top bar hooks, the post-tension anchors and some bursting steel. As the design progresses, the beam gets a little wider, the beam gets a little deeper . . . add a tendon or two, a couple more top bars, a fourth column bar . . . we'll figure it out, right?

Between our detailer and the placers, we did, but it was certainly a challenge. The best time to settle these types of issues is early in the design process – and we're happy to help, no matter where you are in the design process. Feel free to reach out and we'll walk through a quick anchor layout to make sure everything is on track.

This week's is the Golden Nugget Lake Charles Rush Tower from 2016. This 14-story project has about 273,000 square feet of elevated post-tensioned slabs.

Advanced Post-Tension supplied more than 455,000 linear feet of post-tension tendons and 2,200 stud rails as well as engineering support for the installation.

Architectural Firm: Abel Design Group
Structural Engineering Firm: Matrix Structural Engineers
Prime Contractor: The Whiting-Turner Contracting Company

This week's is 100 Steele Street in the Cherry Creek neighborhood of Denver, CO. This building is the maximum allowable 12 stories with two floors of below-ground parking, 250 apartments and 257,000 gross square feet of elevated post-tension deck. Advanced Post-Tension supplied 431,000 linear feet of strand and 1,400 stud rails on this job in 2015.

Developer & General Contractor: Zocalo Community Development
Architectural Firm: RNL, now part of Stantec
Structural Engineering Firm: KL&A Engineers and Builders
Concrete Contractor: McClone Construction Company