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

Which of the following is a disadvantage of Freyssinet system?

After the tensioning operation, the space between the tendons and the ducts are _______

How many wedges are considered in the case of torpedo splices?

When the concrete attains sufficient strength, which elements are released?

The thermo electric pre stressing is also used in _______

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

The Hoyer’s system of prestressing proves to be economical for _______