The first attempt to strengthen concrete flexural elements by externally bonded steel plates was attempted in?

Prestressed concrete structures showing visible signs of distress in the form of ________

Which type of construction is particularly advantageous in long via duct structures, a segmental?

The repair and rehabilitation of damaged or spalled concrete is done by removing the ________

The load bearing capacity of a structural element can be increased by changing ________

In cat insitu construction the formwork is supported by ________

In push out technique each unit in cast directly against the ________

In incremental launching or pull out technique to allow the super structure to move forward, what are provided?