For more than 40 years, the Hoffmann Architects + Engineers JOURNAL has served as a forum for discussing common problems and new developments. In each issue, our professionals tackle concerns specific to existing structures and occupied spaces in clear, straightforward terms.   Subscribe

Issue 2/2024 Volume 2 Number 41
Double-tee parking structure with pooled water below deck joints

Leaks and spalls might seem like minor nuisances, but they can signal serious structural distress.

Joint Failures: The Undoing of Double-Tee Parking Garages

By Lawrence E. Keenan, AIA, PE

Simple and cost-effective to construct, precast concrete double-tee garages are the most popular type of freestanding parking structure in the U.S. While they do offer the benefits of quick assembly and controlled concrete curing, they have one significant weakness: miles of joints.

Journal Archives