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Evaluation Techniques for Structures Undergoing Extreme Environments


Total Credits: 0.5 PDH

Bundles:
Concrete Repair Resources
Category:
Technical Presentations
Presenter(s):
Alfred Gardiner
Duration:
34 Minutes
Format:
Audio and Video
License:
Access for 6 month(s) after purchase.



Description

Two projects will be explored in this presentation. The first is a concrete structure which for 20 years was exposed to extreme heat. The second is a structure which was exposed to extreme vibrations. Both these structures were integral parts of manufacturing processes and required limited down time to repair. The questions needing to be answered were: what is the condition of the existing concrete and what are the repair options for these structures. We turned to non-destructive techniques to evaluate these structures. Non-destructive techniques can provide insight into structures when accompanied by experienced engineers and petrographic analysis. Repair options were provided at the end of our evaluation leading to reduced down time and well-planned repairs. 

Learning Objectives:

  1. How to use non-destructive techniques to evaluate concrete exposed to extreme conditions
  2. How to use petrographic analysis to evaluate concretes exposed to extreme environments
  3. Options for repair in these structures
  4. Need to understand manufacturing needs and timeline

Presenter(s)

Alfred Gardiner's Profile

Alfred Gardiner Related seminars and products

Principal Engineer

Braun Intertec


Alfred Gardiner is a Principal Engineer at Braun Intertec. He oversees forensics on concrete failures, development of new products and conducts trouble shooting on construction projects. Previously he has worked in the cement industry as a Technical Service Engineer for Holcim (US). He holds a Bachelor of Applied Science in Civil Engineering from University of Ottawa. He is a registered Professional Engineer in Minnesota, Iowa, Michigan, North Dakota, Florida, Illinois, Wisconsin and Ohio. He is the past chair of ACI Committee 221 – Aggregates. He is also a member of ASTM committee CO9.


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