18.2.10. Construction Type and Section Size

Try these first

1. 1.

   What is workability in concrete?

   Hint

   Think about how well concrete can be handled during the construction process.

2. 2.

   Why is higher workability needed for thin sections?

   Hint

   Consider the challenges of placing concrete in small areas.

3. 3.

   What is the primary concern when working with thin concrete sections?

   • Higher strength
   • Higher workability
   • Cost efficiency

   Hint

   Focus on the challenges of tight spaces.

4. 4.

   True or False: Heavily reinforced members can use larger aggregates without issues.

   • True
   • False

   Hint

   Consider how aggregate interacts with reinforcement bars.

5. 5.

   Given a scenario where a thin section must be poured in a hot climate leading to rapid evaporation, suggest a concrete mix design approach to ensure workability and structural integrity.

   Hint

   Think about the impact of environmental conditions on concrete.

6. 6.

   Design a strategy to maintain workability without compromising strength in a heavily reinforced concrete beam. Include specific admixtures and modifications.

   Hint

   Reflect on blend adaptability and material properties.