Hoyer’s system of pretensioning can be done for beams.

The chemical pre stressing is generally suited for elements like _______

In Gifford-Udall system, the number of methods for prestressing members is?

The expansion of the concrete is restrained by _______

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

The Freyssinet system of prestressing involves the arrangement of wires of number?

The thermo electric pre stressing, initial stress in tendons ranges between _______

In pre tensioning system, type of prestressing tendon used is _______