| Practice Problem 1-5 |
|
|
Given: The main cables of John and Washington Roeblings' Brooklyn Bridge have an Ultimate Strength of 24,600 kips. The cable design load (live and dead loads combined) is 6,000 kips. Req'd: What is the design Factor of Safety? |
|
|
Solution: The design factor of safety is the Ultimate Load / Design Load: F.S. = 24100 kips / 6000 kips = 4.1. Note that a kip is 1000 lb. |
|
|