7.10.3. Delhi Metro Rail Corporation (DMRC)

Try these first

1. 1.

   What is the target strength for the HPC used in DMRC?

   Hint

   Look for the specific strength mentioned in the section.

2. 2.

   Name one material used in the HPC mix for DMRC.

   Hint

   Think of the supplementary materials listed.

3. 3.

   What is the target compressive strength for DMRC’s HPC?

   • M40
   • M60
   • M80

   Hint

   Look for the specific strength mentioned in the section.

4. 4.

   True or False: Fly ash is not used in the HPC mix for DMRC.

   • True
   • False

   Hint

   Recall the materials discussed in context.

5. 5.

   Evaluate how the mixture design principles applied within DMRC’ HPC reflect broader trends in modern concrete technology.

   Hint

   Consider the implications of material choices on sustainability.

6. 6.

   Propose an alternative mix design for DMRC's HPC that maintains strength while improving environmental impact.

   Hint

   Think about the dual objectives of strength and eco-friendliness.