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Q: Which of the following type of concrete has better flowability?
  • A. Steel fibre reinforced concrete
  • B. Self compacting concrete
  • C. Geopolymer concrete
  • D. Roller compacted concrete
Correct Answer: Option B - Self-compacting concrete (SCC) has many benefits in terms of production and placement compared to traditional concrete namely, elimination of external or internal vibration for compaction, better flowability, workability and pumpability, as well as increased bending with congested reinforcement.
B. Self-compacting concrete (SCC) has many benefits in terms of production and placement compared to traditional concrete namely, elimination of external or internal vibration for compaction, better flowability, workability and pumpability, as well as increased bending with congested reinforcement.

Explanations:

Self-compacting concrete (SCC) has many benefits in terms of production and placement compared to traditional concrete namely, elimination of external or internal vibration for compaction, better flowability, workability and pumpability, as well as increased bending with congested reinforcement.