2.5. Equipment

Try these first

1. 1.

   What is the primary equipment used in the compressive strength test?

   Hint

   It's the machine that applies load to the concrete.

2. 2.

   What type of test is a pull-out test?

   Hint

   This test evaluates the bond between concrete and steel.

3. 3.

   What is the purpose of a compression testing machine in concrete testing?

   • To measure flexural strength
   • To determine compressive strength
   • To test bond strength

   Hint

   Think about what strength test uses compression.

4. 4.

   True or False: The flexural strength test measures how well concrete holds up under tension.

   • True
   • False

   Hint

   Consider what forces are at play in bending.

5. 5.

   A constructor wants to assess the compressive strength of a concrete cylinder. If the maximum load recorded is 200 kN and the diameter of the specimen is 150 mm, calculate the compressive strength. Provide your work.

   Hint

   Remember to calculate the cross-sectional area using the diameter.

6. 6.

   During a flexural test, a beam fails under a load of 45 kN. The beam had a width of 200 mm and a depth of 300 mm with a span of 1200 mm in third-point loading configuration. Calculate the flexural strength.

   Hint

   Use the formula for flexural strength and adjust for the loading configuration.