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

What is the range of water in M15?

It is a ______ method.

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

A lower ratio leads to _______

Maximum size of aggregates are used to produce 70MPa compressive strength is ____

Gel/Space ratio = x = Volume of gel / Space available = 0.657 C / 0.319 C+ Wo. Here C stands for?

What is the gel/space ratio?