University of Iowa Arts Center, Iowa City IA

Cobiax® Voided Slabs Are An Economical Problem Solver

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Solid slabs are extremely heavy. This added weight puts strain on the slab itself. It also exerts a great burden on the foundations and the framework of the building. Fortunately, CobiaxUSA systems can provide a simple solution.

Reducing Structure Weight at 24 2nd Avenue, New York

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Faced with costly caissons, the engineers chose a mat foundation instead.  Cobiax® Voided slabs facilitated the solution with lighter self-weight while allowing generous room sizes.

ARCHITECTS:  RSVP Architecture Studio, N-Plus Architecture

ENGINEER:  DeSimone Consulting Engineers, PLLC

BUILDERS:  Aore, IBN Construction Corporation

To accomplish the design’s long cantilevers, the floors are formed of bonded post-tensioned concrete slabs. A CobiaxUSA slab void system is used to reduce the self-weight of the slabs in addition to other system benefits.

ARCHITECTS: Gensler, Diller Scofidio + Renfro

ENGINEER: Leslie E. Robertson & Associates (LERA)

BUILDERS: Sciami, DiFama Concrete

Design Flexibility at The Vagelos Education Center at Columbia University Medical Center, New York

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Controlling Vibration at Wright State University, Dayton OH

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The floors that carry the sensitive equipment were first designed as waffle sabs.  The contractor having difficulty locating the required forming looked for an alternative.  Cobiax® Voided slabs were the solution that provided the necessary vibration mitigation and desirable flat soffits.

ARCHITECT: Perkins & Will

ENGINEER: Shell + Meyer

BUILDER: Messer Construction

Clear Open Space at The REACH: JFK Performing Arts Center, Washington DC

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Meeting the demands of the large spans required for the function areas along with flat soffits were accomplished by combining Cobiax® Voided slabs with post-tensioning.  The result earned the Reach ACI’s 2020 Overall Excellence Award.

ARCHITECT: Steven Holl Architects

ENGINEER: Silman Engineers

BUILDER: Lane Construction