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Instructor: Bernardo Coiffman, P.E.

Purpose and Background

Corroded steel reinforcing is hidden. How can we assess the dangers? One lesson from the FIU bridge Collapse and the Champlain Tower South shows us that we need to learn how to determine the hidden dangerous posed by concrete, a brittle material, that can fail without warning. Working in South Florida for over 20 years I have experienced how the industry assumes that engineers over design and assume incorrectly that nothing will happen. How can we ourselves determine that? To accurately assess concrete, we need to understand the nature of the cracking and the causes. This can be readily evaluated by understanding how corrosion and loading affect the concrete. Once this is understood, we would cover how to evaluate, in a practical manner, the concrete and determine the safety of the concrete. The seminar will try to explain conditions based on experience and specific photographs highlighting what may have cause the damage to the concrete and how safe it is.

Benefits and Learning Outcomes

You will learn to analyze concrete cracking, scaling of concrete, exposed reinforcing, effects of spalling and delamination of concrete to ascertain how dangerous the current state of the concrete currently is.

Due to the current building collapse, there will be increase building inspections. This course is design for design professionals that are asked to provide these services to:

Upon completion of this course, you will be able to:

• Detect concrete spall
• Determine the extent of spall and steel deterioration
• Assess the cracking and its danger
• Determine the safe of the building and give confidence to building owners of the safety of the buildings
• Prevent collapses

Assessment of Learning Outcomes

Achievement of the learning outcomes by attendees will be assessed through a short post-assessment (true-false, multiple choice and fill in the blank questions) will also be administered.

Who Should Attend?

• Structural design
• Building inspections
• Engineers conducting condition assessments or regular inspections

Outline

Section 1: Analysis of visual cracking
Section 2: Scaling of Concrete
Section 3: Effects of Spalling
Section 4: Exposed Reinforcing
Section 5: Signs of Water Penetrations
Section 6: Delamination

How to Earn your CEUs/PDHs and Receive Your Certificate of Completion

This course is worth .1 CEUs/1 PDHs. To receive your certificate of completion, you will need to complete a short on-line post-test and receive a passing score of 70% or higher within 1 year of purchasing the course.