Track 3: DELIVERY – INTERVENING INTO HISTORIC PLACES / Volet 3 : Réalisation – Intervenir dans les lieux historiques

Marina City - The History and Restoration of an Iconic Facade

Saturday, October 14
1:30 PM - 3:00 PM

This presentation reviews the history of the design, construction and restoration of the twin high-rise towers of Marina City in Chicago. Designed by Bertrand Goldberg Associates, the iconic high-rise towers of Marina City in Chicago were the tallest reinforced concrete buildings in the world when they were completed in 1962. The unique modern design served as a model for mixed-use developments that is still used today.

The construction of the towers utilized innovative design concepts, materials and construction techniques including a circular center structural core, high strength and lightweight concrete, reusable fiberglass forms, hydraulic concrete delivery systems, and expedited construction scheduling. The design and construction of Marina City was an important milestone during the evolution of concrete high rise construction during the 20th century.

The facade of the towers consists of exposed reinforced concrete beams, columns, and balcony slabs. Significant concrete deterioration was identified on the facade in the 1990’s and multiple facade repair projects have been subsequently performed. The deterioration and repairs required will be presented, with an emphasis on the significant challenges associated with performing concrete repairs on high-rise buildings. The concrete repairs and application of waterproof coatings has significantly reduced the rate of deterioration, and preserved and extended the useful life of these iconic buildings.

Learning Objectives:

Brian R. Greve, P.E., S.E.

Associate Principal
Wiss, Janney, Elstner Associates, Inc.

Brian R. Greve, P.E., S.E. is an Associate Principal at Wiss, Janney, Elstner Associates, Inc. in Northbrook, Illinois. He has over 17 years of experience working on a wide variety of projects involving the assessment and repair of existing buildings, bridges and facades. His projects have included the assessment and repair of reinforced concrete, steel, masonry, timber and natural stone. He has also performed full-scale load tests of many structures to verify the capacity of deteriorated and strengthened members. He is an active member of the American Concrete Institute (ACI) and the American Society of Civil Engineers (ASCE).

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John F. Duntemann, P.E., S.E.

Senior Principal
Wiss, Janney, Elstner Associates, Inc.

John F. Duntemann, P.E., S.E., is a Senior Principal at Wiss, Janney, Elstner Associates, Inc., in Northbrook, Illinois. He has over 35 years’ experience in the assessment and rehabilitation of existing structures, specializing in the assessment of structural distress and serviceability problems. He is a member of American Society of Civil Engineers (ASCE) Standard Committee for Minimum Design Loads for Buildings and Other Structures (ASCE 7) and a contributing author to the Forensic Structural Engineering Handbook published by McGraw-Hill. As a member of IABSE, he serves on the Outstanding Structure Award (OStrA) Committee and chairs Working Group 8 Forensic Engineering.

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Susan Ross

Assistant Professor/Undergraduate Supervisor
Carleton University

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