The concrete dams are constructed using which?

The Freyssinet system of post tensioning anchorages was developed in _______

The basic chemical substance used for pre stressing forces in concrete member is _______

In which place thermo electric pre stressing found to be more economical?

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

The period of cooling in thermo electric pre stressing is observed as _______

The suitability of post tensioning is good for _______

The electrical devices are commonly used for tensioning of _______