Web Sessions

ACI web sessions are recorded presentations from ACI Conventions and other concrete industry events, made available for viewing here, free of charge. To view the current web session with audio now, click on the slide or web session name below.

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This Week's Presentations

Post-Earthquake Repairs, Part 1a

This session will focus on case histories of rapid repair projects, challenges facing owners with a damaged structure, and the repairs required to use a structure after a seismic event. Emphasis is placed on projects with challenging timelines or conditions that have necessitated the use of unique technologies or approaches to facilitate the repairs.


Presentations and Speakers:
Fernando Yanez

Repair of Structural Walls Severely Damaged after Chilean 2010 Earthquake

by Fernando Yanez, Director, Material Testing Laboratory (IDEM), University of Chile Plaza, Santiago, Chile

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Daniel Ortiz

Repair of Concrete Bridges Damaged in Chile by the February 27, 2010, M8.8 Chile Earthquake

by Daniel Ortiz, Structural Engineer, TECNOAV S.A., Santiago, Chile; Pablo Fuertes, Fibrwrap Construction; and Alejandro Farias, Tiempo Nuevo Ltda.

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Kenneth B. Bondy

Seismic Retrofit Using Externally Applied Post-Tensioning Tendons

by Kenneth B. Bondy, Consulting Structural Engineer, West Hills, CA

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   Upcoming Web Sessions

May 28 – June 1

Post-Earthquake Repairs, Part 2a

This session will focus on case histories of rapid repair projects, challenges facing owners with a damaged structure, and the repairs required to use a structure after a seismic event. Emphasis is placed on projects with challenging timelines or conditions that have necessitated the use of unique technologies or approaches to facilitate the repairs.

  • Earthquake Repair of Circular Reinforced Concrete Columns by Sarah E. Witt, Senior Project Engineer, FYFE Company LLC, San Diego, CA
  • The Performance of Concrete Structures in the Canterbury Earthquakes: Lessons to Be Learned and the Future of Concrete Buildings by Desmond K. Bull, Technical Director, Holmes Consulting Group, Ltd., Christchurch, New Zealand

June 4 – June 8

Post-Earthquake Repairs, Part 2b

This session will focus on case histories of rapid repair projects, challenges facing owners with a damaged structure, and the repairs required to use a structure after a seismic event. Emphasis is placed on projects with challenging timelines or conditions that have necessitated the use of unique technologies or approaches to facilitate the repairs.

  • Repair of R/C Buildings Damaged in Viña del Mar during the 27 February M8.8 Maule Earthquake by José Restrepo, Professor of Structural Engineering, University of California San Diego, La Jolla, CA
  • Emergency Repairs for Concrete Buildings Immediately after the February 2011 Christchurch Earthquake by Kenneth J. Elwood, Associate Professor, University of British Columbia, Vancouver, BC, Canada
  • Seismic Repair of Reinforced Concrete Columns through Transverse Prestressing by Murat Saatcioglu, Vice Dean, University of Ottawa, Ottawa, ON, Canada