To ensure economy in dam sections, the __ should be minimum.

What is the mix proportion for M15 grade concrete?

By keeping the phreatic line within the downstream toe, the _______ can be avoided.

Cracks developed in the body of dam section can be avoided by ____

Prestressed concrete is an example of _________

Springs(closely coiled) are examples of _________

________ keeps the phreatic line within the dam section.

According to IS, the minimum expansion joint in construction should be ____