3.11. Case Study: Structural Audit of a 10-Year-Old School Building

Try these first

1. 1.

   What is the main purpose of a structural audit?

   Hint

   Think about why we need to know if buildings are safe.

2. 2.

   Name one non-destructive testing method used in the audit.

   Hint

   These methods help examine without causing damage.

3. 3.

   What does the Rebound Hammer Test measure?

   • Surface hardness
   • Compressive strength
   • Moisture levels

   Hint

   Think about how the hammer interacts with the surface.

4. 4.

   Core cutting is an entirely non-destructive test.

   • True
   • False

   Hint

   Reconsider the meaning of 'non-destructive.'

5. 5.

   If you were to prioritize test methods for a building showing both cracking and efflorescence, what order would you apply the NDT methods? Justify your strategy.

   Hint

   Think about the efficiency and cost-effectiveness of each test.

6. 6.

   After evaluating the results of a UPV test that shows an average of 2.5 km/s, what implications does this have for the structure, and what recommendations would you provide?

   Hint

   Consider the standard thresholds for various concrete qualities.