B. Magnel-Blaton system
C. C.C.L. standard system
D. Lee-McCall system(Correct)
The system in which high tensile alloy steel bars (silica manganese steel) are used as prestressing tendons, is known as________________?
B. Magnel-Blaton system
C. C.C.L. standard system
D. Lee-McCall system(Correct)