The linear expansion of the cement in chemical pre stressing is about _______

In Freyssinet system which element behaves as a guide?

The long span decks are fabricated by _______

The degree of expansion can be controlled by varying the conditions of _______

How many types of splicing arrangement are widely used in post tensioning systems?

Hoyer’s system of pre tensioning is generally adopted for _______

The tensile stresses developed in steel by the expansion of concrete are about _______

The applied force should be measured accurately in hydraulic devices while?