10.2. Delivery Acceptance

Try these first

1. 1.

   What is the maximum transit time allowed for concrete deliveries?

   Hint

   Remember the time limit for workability.

2. 2.

   What test is commonly used to measure the workability of fresh concrete?

   Hint

   Think about tests that measure consistency.

3. 3.

   What is the maximum allowed transit time for concrete from mixing to delivery at the site?

   • 45 minutes
   • 60 minutes
   • 90 minutes

   Hint

   Remember the importance of timely delivery.

4. 4.

   True or False: The slump test measures the temperature of concrete.

   • True
   • False

   Hint

   Think about what the slump test actually assesses.

5. 5.

   You have a delivery where the slump is recorded at 90 mm against a specified 70 mm. How would you analyze the situation to determine acceptance?

   Hint

   Consider the effect of being too wet on the pour process.

6. 6.

   A delivery arrives at your site at 35°C. What steps will you take to ensure it meets quality standards before use?

   Hint

   Focus on temperature control measures used in hot weather.