What could be the possible answer among the following for water cement ratio for high strength concrete?

____________ mm nominal maximum size aggregates gives optimum strength.

In bridges, HSC is used.

What is the range of water in M25?

Water cement ratio is __

What is the percentage of steel fibre by weight in UHPC?

Concrete having 28- days’ compressive strength in the range of 60 to 100 MPa.

The material used for UHPC provides flexural strengths up to _____