When stressing barrier cable, the strand can only be stressed what percentage of the ultimate strength of the strand?

When stressing barrier cable, the correct percentage of the ultimate strength of the strand that can be used is 6 percent. This practice is governed by safety and structural integrity considerations, as stressing the cable beyond this percentage could compromise its performance and lead to failure or other catastrophic issues.

The 6 percent threshold serves as a guideline to ensure that the materials maintain their mechanical properties without risking deformation or weakening under stress. It helps in maintaining a balance between obtaining the necessary strength for structural integrity and preventing over-stressing, which could lead to premature material fatigue or failure over time. Adhering to this limit is crucial in maintaining the reliability and safety of installations involving barrier cables.