1.2. Apparatus

Try these first

1. 1.

   What is the main purpose of the Rebound Hammer Test?

   Hint

   Think about what the rebound indicates.

2. 2.

   Name one apparatus used in the Ultrasonic Pulse Velocity Test.

   Hint

   What sends and receives ultrasonic waves?

3. 3.

   Which apparatus is essential for performing the Rebound Hammer Test?

   • Rebound Hammer
   • Ultrasonic Pulse Generator
   • Core Cutting Machine

   Hint

   Think about the tool's purpose in evaluating concrete.

4. 4.

   True or False: Core Cutting is a non-destructive testing method.

   • True
   • False

   Hint

   Reflect on how sampling affects the structure.

5. 5.

   Consider a concrete element showing a rebound number of 18 and UPV value of 2.9 km/s. How would you assess the quality of this concrete?

   Hint

   Review the ranges for both tests established in the guidelines.

6. 6.

   A construction team is faced with both high rebound numbers and UPV velocities. However, core testing reveals low strength. Discuss the implications and possible causes.

   Hint

   Consider how internal flaws can affect overall strength.