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Building with Tilt-Up | Project Profiles

Saint Louis University Walk

TCA Tilt-Up Project Profile - Special Projects Division

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Originally designed as a cast-in-place structure, the 550-foot walkway connecting Saint Louis University’s new Edward A. Doisy Research Center with the campus’s other medical facilities was converted to Tilt-Up to save time and money, while making gains in safety and quality.

Having provided concrete services for the core and shell of the attached research center, Concrete Strategies was a natural choice to construct the arched, brick-clad walkway.

To place each of the 50,000-pound arched panels, Concrete Strategies designed a special rigging system that would lift the panels flat from the casting bed and then rotate them plumb in the air. In addition to this special consideration, the contractor also had to account for the fact that the walkway moved uphill, which required all of the panels to be poured, lifted and placed simultaneously.

To accommodate the cast brick slots necessary for the panels’ exterior brick façade, Concrete Strategies used a lintel beam to support the load of the brick. The finished walkway, featuring interior and exterior radius reveals, complemented the existing buildings while making a bold statement.

The project also utilized self-consolidating concrete in order to achieve the high quality finish of the Tilt-Up panels.

Photos

Project Specifics

Total Panels (Single Building)
30 panels
Project Wall Area
8,763 sq ft
(814 sq m)
Tallest Panel
23 ft 4 in
(7.11 m)
Widest Panel
54 ft 2 in
(16.51 m)
Largest Panel
395 sq ft
(36.7 sq m)
Heaviest Panel
57,160 lbs
(25,927 kg)
Tallest Cantilever Panel
16 ft 4 in
(4.98 m)

Participating TCA Members

Concrete Strategies, Inc.Sustaining Member iconSustaining Member icon
Tilt-Up contractor
Alper Audi, Inc.
Project engineer
Meadow BurkeSustaining Member icon
Lifting hardware
Nox-Crete Products GroupSustaining Member icon
Bond breaker, Form release
HD Supply Construction & Industrial White Cap
Tilt-Up accessories
Sika Greenstreak
Tilt-up accessories

About the TCA

Founded in 1986, the Tilt-Up Concrete Association (TCA) strives to improve the quality and acceptance of site-cast Tilt-Up construction, a method in which concrete wall panels are cast on-site and tilted into place. Tilt-Up construction is one of the fastest growing industries in the United States, combining the advantages of reasonable cost with low maintenance, durability, speed of construction and minimal capital investment. At least 10,000 buildings, enclosing more than 650 million square feet, are constructed each year using this construction method.

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