Thank xema77. But I am confused with the positioning of the statement which is right after the given allowable tensile strength. Also as I understand giving allowance is some kind of safety factor. Bringing down initial preload from 100% to 75% only makes thicknesses in the basering and...
One of our client requirement is to give allowance in the design to pre-tension the anchor bolt by 75% of the allowable tensile stress. This requirement was given after they have stated allowable stress (tension and shear) of SA307- B / SA193-B7 bolts.
I have some difficulty understanding this...
